1 /* tc-arm.c -- Assemble for the ARM
2 Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
3 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
4 Free Software Foundation, Inc.
5 Contributed by Richard Earnshaw (rwe@pegasus.esprit.ec.org)
6 Modified by David Taylor (dtaylor@armltd.co.uk)
7 Cirrus coprocessor mods by Aldy Hernandez (aldyh@redhat.com)
8 Cirrus coprocessor fixes by Petko Manolov (petkan@nucleusys.com)
9 Cirrus coprocessor fixes by Vladimir Ivanov (vladitx@nucleusys.com)
11 This file is part of GAS, the GNU Assembler.
13 GAS is free software; you can redistribute it and/or modify
14 it under the terms of the GNU General Public License as published by
15 the Free Software Foundation; either version 3, or (at your option)
18 GAS is distributed in the hope that it will be useful,
19 but WITHOUT ANY WARRANTY; without even the implied warranty of
20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 GNU General Public License for more details.
23 You should have received a copy of the GNU General Public License
24 along with GAS; see the file COPYING. If not, write to the Free
25 Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
32 #include "safe-ctype.h"
35 #include "libiberty.h"
36 #include "opcode/arm.h"
40 #include "dw2gencfi.h"
43 #include "dwarf2dbg.h"
46 /* Must be at least the size of the largest unwind opcode (currently two). */
47 #define ARM_OPCODE_CHUNK_SIZE 8
49 /* This structure holds the unwinding state. */
54 symbolS * table_entry;
55 symbolS * personality_routine;
56 int personality_index;
57 /* The segment containing the function. */
60 /* Opcodes generated from this function. */
61 unsigned char * opcodes;
64 /* The number of bytes pushed to the stack. */
66 /* We don't add stack adjustment opcodes immediately so that we can merge
67 multiple adjustments. We can also omit the final adjustment
68 when using a frame pointer. */
69 offsetT pending_offset;
70 /* These two fields are set by both unwind_movsp and unwind_setfp. They
71 hold the reg+offset to use when restoring sp from a frame pointer. */
74 /* Nonzero if an unwind_setfp directive has been seen. */
76 /* Nonzero if the last opcode restores sp from fp_reg. */
77 unsigned sp_restored:1;
82 /* Results from operand parsing worker functions. */
86 PARSE_OPERAND_SUCCESS,
88 PARSE_OPERAND_FAIL_NO_BACKTRACK
89 } parse_operand_result;
98 /* Types of processor to assemble for. */
100 /* The code that was here used to select a default CPU depending on compiler
101 pre-defines which were only present when doing native builds, thus
102 changing gas' default behaviour depending upon the build host.
104 If you have a target that requires a default CPU option then the you
105 should define CPU_DEFAULT here. */
110 # define FPU_DEFAULT FPU_ARCH_FPA
111 # elif defined (TE_NetBSD)
113 # define FPU_DEFAULT FPU_ARCH_VFP /* Soft-float, but VFP order. */
115 /* Legacy a.out format. */
116 # define FPU_DEFAULT FPU_ARCH_FPA /* Soft-float, but FPA order. */
118 # elif defined (TE_VXWORKS)
119 # define FPU_DEFAULT FPU_ARCH_VFP /* Soft-float, VFP order. */
121 /* For backwards compatibility, default to FPA. */
122 # define FPU_DEFAULT FPU_ARCH_FPA
124 #endif /* ifndef FPU_DEFAULT */
126 #define streq(a, b) (strcmp (a, b) == 0)
128 static arm_feature_set cpu_variant;
129 static arm_feature_set arm_arch_used;
130 static arm_feature_set thumb_arch_used;
132 /* Flags stored in private area of BFD structure. */
133 static int uses_apcs_26 = FALSE;
134 static int atpcs = FALSE;
135 static int support_interwork = FALSE;
136 static int uses_apcs_float = FALSE;
137 static int pic_code = FALSE;
138 static int fix_v4bx = FALSE;
139 /* Warn on using deprecated features. */
140 static int warn_on_deprecated = TRUE;
143 /* Variables that we set while parsing command-line options. Once all
144 options have been read we re-process these values to set the real
146 static const arm_feature_set *legacy_cpu = NULL;
147 static const arm_feature_set *legacy_fpu = NULL;
149 static const arm_feature_set *mcpu_cpu_opt = NULL;
150 static const arm_feature_set *mcpu_fpu_opt = NULL;
151 static const arm_feature_set *march_cpu_opt = NULL;
152 static const arm_feature_set *march_fpu_opt = NULL;
153 static const arm_feature_set *mfpu_opt = NULL;
154 static const arm_feature_set *object_arch = NULL;
156 /* Constants for known architecture features. */
157 static const arm_feature_set fpu_default = FPU_DEFAULT;
158 static const arm_feature_set fpu_arch_vfp_v1 = FPU_ARCH_VFP_V1;
159 static const arm_feature_set fpu_arch_vfp_v2 = FPU_ARCH_VFP_V2;
160 static const arm_feature_set fpu_arch_vfp_v3 = FPU_ARCH_VFP_V3;
161 static const arm_feature_set fpu_arch_neon_v1 = FPU_ARCH_NEON_V1;
162 static const arm_feature_set fpu_arch_fpa = FPU_ARCH_FPA;
163 static const arm_feature_set fpu_any_hard = FPU_ANY_HARD;
164 static const arm_feature_set fpu_arch_maverick = FPU_ARCH_MAVERICK;
165 static const arm_feature_set fpu_endian_pure = FPU_ARCH_ENDIAN_PURE;
168 static const arm_feature_set cpu_default = CPU_DEFAULT;
171 static const arm_feature_set arm_ext_v1 = ARM_FEATURE (ARM_EXT_V1, 0);
172 static const arm_feature_set arm_ext_v2 = ARM_FEATURE (ARM_EXT_V1, 0);
173 static const arm_feature_set arm_ext_v2s = ARM_FEATURE (ARM_EXT_V2S, 0);
174 static const arm_feature_set arm_ext_v3 = ARM_FEATURE (ARM_EXT_V3, 0);
175 static const arm_feature_set arm_ext_v3m = ARM_FEATURE (ARM_EXT_V3M, 0);
176 static const arm_feature_set arm_ext_v4 = ARM_FEATURE (ARM_EXT_V4, 0);
177 static const arm_feature_set arm_ext_v4t = ARM_FEATURE (ARM_EXT_V4T, 0);
178 static const arm_feature_set arm_ext_v5 = ARM_FEATURE (ARM_EXT_V5, 0);
179 static const arm_feature_set arm_ext_v4t_5 =
180 ARM_FEATURE (ARM_EXT_V4T | ARM_EXT_V5, 0);
181 static const arm_feature_set arm_ext_v5t = ARM_FEATURE (ARM_EXT_V5T, 0);
182 static const arm_feature_set arm_ext_v5e = ARM_FEATURE (ARM_EXT_V5E, 0);
183 static const arm_feature_set arm_ext_v5exp = ARM_FEATURE (ARM_EXT_V5ExP, 0);
184 static const arm_feature_set arm_ext_v5j = ARM_FEATURE (ARM_EXT_V5J, 0);
185 static const arm_feature_set arm_ext_v6 = ARM_FEATURE (ARM_EXT_V6, 0);
186 static const arm_feature_set arm_ext_v6k = ARM_FEATURE (ARM_EXT_V6K, 0);
187 static const arm_feature_set arm_ext_v6t2 = ARM_FEATURE (ARM_EXT_V6T2, 0);
188 static const arm_feature_set arm_ext_v6m = ARM_FEATURE (ARM_EXT_V6M, 0);
189 static const arm_feature_set arm_ext_v6_notm = ARM_FEATURE (ARM_EXT_V6_NOTM, 0);
190 static const arm_feature_set arm_ext_v6_dsp = ARM_FEATURE (ARM_EXT_V6_DSP, 0);
191 static const arm_feature_set arm_ext_barrier = ARM_FEATURE (ARM_EXT_BARRIER, 0);
192 static const arm_feature_set arm_ext_msr = ARM_FEATURE (ARM_EXT_THUMB_MSR, 0);
193 static const arm_feature_set arm_ext_div = ARM_FEATURE (ARM_EXT_DIV, 0);
194 static const arm_feature_set arm_ext_v7 = ARM_FEATURE (ARM_EXT_V7, 0);
195 static const arm_feature_set arm_ext_v7a = ARM_FEATURE (ARM_EXT_V7A, 0);
196 static const arm_feature_set arm_ext_v7r = ARM_FEATURE (ARM_EXT_V7R, 0);
197 static const arm_feature_set arm_ext_v7m = ARM_FEATURE (ARM_EXT_V7M, 0);
198 static const arm_feature_set arm_ext_m =
199 ARM_FEATURE (ARM_EXT_V6M | ARM_EXT_OS | ARM_EXT_V7M, 0);
200 static const arm_feature_set arm_ext_mp = ARM_FEATURE (ARM_EXT_MP, 0);
201 static const arm_feature_set arm_ext_sec = ARM_FEATURE (ARM_EXT_SEC, 0);
202 static const arm_feature_set arm_ext_os = ARM_FEATURE (ARM_EXT_OS, 0);
203 static const arm_feature_set arm_ext_adiv = ARM_FEATURE (ARM_EXT_ADIV, 0);
204 static const arm_feature_set arm_ext_virt = ARM_FEATURE (ARM_EXT_VIRT, 0);
206 static const arm_feature_set arm_arch_any = ARM_ANY;
207 static const arm_feature_set arm_arch_full = ARM_FEATURE (-1, -1);
208 static const arm_feature_set arm_arch_t2 = ARM_ARCH_THUMB2;
209 static const arm_feature_set arm_arch_none = ARM_ARCH_NONE;
210 static const arm_feature_set arm_arch_v6m_only = ARM_ARCH_V6M_ONLY;
212 static const arm_feature_set arm_cext_iwmmxt2 =
213 ARM_FEATURE (0, ARM_CEXT_IWMMXT2);
214 static const arm_feature_set arm_cext_iwmmxt =
215 ARM_FEATURE (0, ARM_CEXT_IWMMXT);
216 static const arm_feature_set arm_cext_xscale =
217 ARM_FEATURE (0, ARM_CEXT_XSCALE);
218 static const arm_feature_set arm_cext_maverick =
219 ARM_FEATURE (0, ARM_CEXT_MAVERICK);
220 static const arm_feature_set fpu_fpa_ext_v1 = ARM_FEATURE (0, FPU_FPA_EXT_V1);
221 static const arm_feature_set fpu_fpa_ext_v2 = ARM_FEATURE (0, FPU_FPA_EXT_V2);
222 static const arm_feature_set fpu_vfp_ext_v1xd =
223 ARM_FEATURE (0, FPU_VFP_EXT_V1xD);
224 static const arm_feature_set fpu_vfp_ext_v1 = ARM_FEATURE (0, FPU_VFP_EXT_V1);
225 static const arm_feature_set fpu_vfp_ext_v2 = ARM_FEATURE (0, FPU_VFP_EXT_V2);
226 static const arm_feature_set fpu_vfp_ext_v3xd = ARM_FEATURE (0, FPU_VFP_EXT_V3xD);
227 static const arm_feature_set fpu_vfp_ext_v3 = ARM_FEATURE (0, FPU_VFP_EXT_V3);
228 static const arm_feature_set fpu_vfp_ext_d32 =
229 ARM_FEATURE (0, FPU_VFP_EXT_D32);
230 static const arm_feature_set fpu_neon_ext_v1 = ARM_FEATURE (0, FPU_NEON_EXT_V1);
231 static const arm_feature_set fpu_vfp_v3_or_neon_ext =
232 ARM_FEATURE (0, FPU_NEON_EXT_V1 | FPU_VFP_EXT_V3);
233 static const arm_feature_set fpu_vfp_fp16 = ARM_FEATURE (0, FPU_VFP_EXT_FP16);
234 static const arm_feature_set fpu_neon_ext_fma = ARM_FEATURE (0, FPU_NEON_EXT_FMA);
235 static const arm_feature_set fpu_vfp_ext_fma = ARM_FEATURE (0, FPU_VFP_EXT_FMA);
237 static int mfloat_abi_opt = -1;
238 /* Record user cpu selection for object attributes. */
239 static arm_feature_set selected_cpu = ARM_ARCH_NONE;
240 /* Must be long enough to hold any of the names in arm_cpus. */
241 static char selected_cpu_name[16];
243 /* Return if no cpu was selected on command-line. */
245 no_cpu_selected (void)
247 return selected_cpu.core == arm_arch_none.core
248 && selected_cpu.coproc == arm_arch_none.coproc;
253 static int meabi_flags = EABI_DEFAULT;
255 static int meabi_flags = EF_ARM_EABI_UNKNOWN;
258 static int attributes_set_explicitly[NUM_KNOWN_OBJ_ATTRIBUTES];
263 return (EF_ARM_EABI_VERSION (meabi_flags) >= EF_ARM_EABI_VER4);
268 /* Pre-defined "_GLOBAL_OFFSET_TABLE_" */
269 symbolS * GOT_symbol;
272 /* 0: assemble for ARM,
273 1: assemble for Thumb,
274 2: assemble for Thumb even though target CPU does not support thumb
276 static int thumb_mode = 0;
277 /* A value distinct from the possible values for thumb_mode that we
278 can use to record whether thumb_mode has been copied into the
279 tc_frag_data field of a frag. */
280 #define MODE_RECORDED (1 << 4)
282 /* Specifies the intrinsic IT insn behavior mode. */
283 enum implicit_it_mode
285 IMPLICIT_IT_MODE_NEVER = 0x00,
286 IMPLICIT_IT_MODE_ARM = 0x01,
287 IMPLICIT_IT_MODE_THUMB = 0x02,
288 IMPLICIT_IT_MODE_ALWAYS = (IMPLICIT_IT_MODE_ARM | IMPLICIT_IT_MODE_THUMB)
290 static int implicit_it_mode = IMPLICIT_IT_MODE_ARM;
292 /* If unified_syntax is true, we are processing the new unified
293 ARM/Thumb syntax. Important differences from the old ARM mode:
295 - Immediate operands do not require a # prefix.
296 - Conditional affixes always appear at the end of the
297 instruction. (For backward compatibility, those instructions
298 that formerly had them in the middle, continue to accept them
300 - The IT instruction may appear, and if it does is validated
301 against subsequent conditional affixes. It does not generate
304 Important differences from the old Thumb mode:
306 - Immediate operands do not require a # prefix.
307 - Most of the V6T2 instructions are only available in unified mode.
308 - The .N and .W suffixes are recognized and honored (it is an error
309 if they cannot be honored).
310 - All instructions set the flags if and only if they have an 's' affix.
311 - Conditional affixes may be used. They are validated against
312 preceding IT instructions. Unlike ARM mode, you cannot use a
313 conditional affix except in the scope of an IT instruction. */
315 static bfd_boolean unified_syntax = FALSE;
330 enum neon_el_type type;
334 #define NEON_MAX_TYPE_ELS 4
338 struct neon_type_el el[NEON_MAX_TYPE_ELS];
342 enum it_instruction_type
347 IF_INSIDE_IT_LAST_INSN, /* Either outside or inside;
348 if inside, should be the last one. */
349 NEUTRAL_IT_INSN, /* This could be either inside or outside,
350 i.e. BKPT and NOP. */
351 IT_INSN /* The IT insn has been parsed. */
357 unsigned long instruction;
361 /* "uncond_value" is set to the value in place of the conditional field in
362 unconditional versions of the instruction, or -1 if nothing is
365 struct neon_type vectype;
366 /* This does not indicate an actual NEON instruction, only that
367 the mnemonic accepts neon-style type suffixes. */
369 /* Set to the opcode if the instruction needs relaxation.
370 Zero if the instruction is not relaxed. */
374 bfd_reloc_code_real_type type;
379 enum it_instruction_type it_insn_type;
385 struct neon_type_el vectype;
386 unsigned present : 1; /* Operand present. */
387 unsigned isreg : 1; /* Operand was a register. */
388 unsigned immisreg : 1; /* .imm field is a second register. */
389 unsigned isscalar : 1; /* Operand is a (Neon) scalar. */
390 unsigned immisalign : 1; /* Immediate is an alignment specifier. */
391 unsigned immisfloat : 1; /* Immediate was parsed as a float. */
392 /* Note: we abuse "regisimm" to mean "is Neon register" in VMOV
393 instructions. This allows us to disambiguate ARM <-> vector insns. */
394 unsigned regisimm : 1; /* 64-bit immediate, reg forms high 32 bits. */
395 unsigned isvec : 1; /* Is a single, double or quad VFP/Neon reg. */
396 unsigned isquad : 1; /* Operand is Neon quad-precision register. */
397 unsigned issingle : 1; /* Operand is VFP single-precision register. */
398 unsigned hasreloc : 1; /* Operand has relocation suffix. */
399 unsigned writeback : 1; /* Operand has trailing ! */
400 unsigned preind : 1; /* Preindexed address. */
401 unsigned postind : 1; /* Postindexed address. */
402 unsigned negative : 1; /* Index register was negated. */
403 unsigned shifted : 1; /* Shift applied to operation. */
404 unsigned shift_kind : 3; /* Shift operation (enum shift_kind). */
408 static struct arm_it inst;
410 #define NUM_FLOAT_VALS 8
412 const char * fp_const[] =
414 "0.0", "1.0", "2.0", "3.0", "4.0", "5.0", "0.5", "10.0", 0
417 /* Number of littlenums required to hold an extended precision number. */
418 #define MAX_LITTLENUMS 6
420 LITTLENUM_TYPE fp_values[NUM_FLOAT_VALS][MAX_LITTLENUMS];
430 #define CP_T_X 0x00008000
431 #define CP_T_Y 0x00400000
433 #define CONDS_BIT 0x00100000
434 #define LOAD_BIT 0x00100000
436 #define DOUBLE_LOAD_FLAG 0x00000001
440 const char * template_name;
444 #define COND_ALWAYS 0xE
448 const char * template_name;
452 struct asm_barrier_opt
454 const char * template_name;
458 /* The bit that distinguishes CPSR and SPSR. */
459 #define SPSR_BIT (1 << 22)
461 /* The individual PSR flag bits. */
462 #define PSR_c (1 << 16)
463 #define PSR_x (1 << 17)
464 #define PSR_s (1 << 18)
465 #define PSR_f (1 << 19)
470 bfd_reloc_code_real_type reloc;
475 VFP_REG_Sd, VFP_REG_Sm, VFP_REG_Sn,
476 VFP_REG_Dd, VFP_REG_Dm, VFP_REG_Dn
481 VFP_LDSTMIA, VFP_LDSTMDB, VFP_LDSTMIAX, VFP_LDSTMDBX
484 /* Bits for DEFINED field in neon_typed_alias. */
485 #define NTA_HASTYPE 1
486 #define NTA_HASINDEX 2
488 struct neon_typed_alias
490 unsigned char defined;
492 struct neon_type_el eltype;
495 /* ARM register categories. This includes coprocessor numbers and various
496 architecture extensions' registers. */
523 /* Structure for a hash table entry for a register.
524 If TYPE is REG_TYPE_VFD or REG_TYPE_NQ, the NEON field can point to extra
525 information which states whether a vector type or index is specified (for a
526 register alias created with .dn or .qn). Otherwise NEON should be NULL. */
532 unsigned char builtin;
533 struct neon_typed_alias * neon;
536 /* Diagnostics used when we don't get a register of the expected type. */
537 const char * const reg_expected_msgs[] =
539 N_("ARM register expected"),
540 N_("bad or missing co-processor number"),
541 N_("co-processor register expected"),
542 N_("FPA register expected"),
543 N_("VFP single precision register expected"),
544 N_("VFP/Neon double precision register expected"),
545 N_("Neon quad precision register expected"),
546 N_("VFP single or double precision register expected"),
547 N_("Neon double or quad precision register expected"),
548 N_("VFP single, double or Neon quad precision register expected"),
549 N_("VFP system register expected"),
550 N_("Maverick MVF register expected"),
551 N_("Maverick MVD register expected"),
552 N_("Maverick MVFX register expected"),
553 N_("Maverick MVDX register expected"),
554 N_("Maverick MVAX register expected"),
555 N_("Maverick DSPSC register expected"),
556 N_("iWMMXt data register expected"),
557 N_("iWMMXt control register expected"),
558 N_("iWMMXt scalar register expected"),
559 N_("XScale accumulator register expected"),
562 /* Some well known registers that we refer to directly elsewhere. */
567 /* ARM instructions take 4bytes in the object file, Thumb instructions
573 /* Basic string to match. */
574 const char * template_name;
576 /* Parameters to instruction. */
577 unsigned int operands[8];
579 /* Conditional tag - see opcode_lookup. */
580 unsigned int tag : 4;
582 /* Basic instruction code. */
583 unsigned int avalue : 28;
585 /* Thumb-format instruction code. */
588 /* Which architecture variant provides this instruction. */
589 const arm_feature_set * avariant;
590 const arm_feature_set * tvariant;
592 /* Function to call to encode instruction in ARM format. */
593 void (* aencode) (void);
595 /* Function to call to encode instruction in Thumb format. */
596 void (* tencode) (void);
599 /* Defines for various bits that we will want to toggle. */
600 #define INST_IMMEDIATE 0x02000000
601 #define OFFSET_REG 0x02000000
602 #define HWOFFSET_IMM 0x00400000
603 #define SHIFT_BY_REG 0x00000010
604 #define PRE_INDEX 0x01000000
605 #define INDEX_UP 0x00800000
606 #define WRITE_BACK 0x00200000
607 #define LDM_TYPE_2_OR_3 0x00400000
608 #define CPSI_MMOD 0x00020000
610 #define LITERAL_MASK 0xf000f000
611 #define OPCODE_MASK 0xfe1fffff
612 #define V4_STR_BIT 0x00000020
614 #define T2_SUBS_PC_LR 0xf3de8f00
616 #define DATA_OP_SHIFT 21
618 #define T2_OPCODE_MASK 0xfe1fffff
619 #define T2_DATA_OP_SHIFT 21
621 /* Codes to distinguish the arithmetic instructions. */
632 #define OPCODE_CMP 10
633 #define OPCODE_CMN 11
634 #define OPCODE_ORR 12
635 #define OPCODE_MOV 13
636 #define OPCODE_BIC 14
637 #define OPCODE_MVN 15
639 #define T2_OPCODE_AND 0
640 #define T2_OPCODE_BIC 1
641 #define T2_OPCODE_ORR 2
642 #define T2_OPCODE_ORN 3
643 #define T2_OPCODE_EOR 4
644 #define T2_OPCODE_ADD 8
645 #define T2_OPCODE_ADC 10
646 #define T2_OPCODE_SBC 11
647 #define T2_OPCODE_SUB 13
648 #define T2_OPCODE_RSB 14
650 #define T_OPCODE_MUL 0x4340
651 #define T_OPCODE_TST 0x4200
652 #define T_OPCODE_CMN 0x42c0
653 #define T_OPCODE_NEG 0x4240
654 #define T_OPCODE_MVN 0x43c0
656 #define T_OPCODE_ADD_R3 0x1800
657 #define T_OPCODE_SUB_R3 0x1a00
658 #define T_OPCODE_ADD_HI 0x4400
659 #define T_OPCODE_ADD_ST 0xb000
660 #define T_OPCODE_SUB_ST 0xb080
661 #define T_OPCODE_ADD_SP 0xa800
662 #define T_OPCODE_ADD_PC 0xa000
663 #define T_OPCODE_ADD_I8 0x3000
664 #define T_OPCODE_SUB_I8 0x3800
665 #define T_OPCODE_ADD_I3 0x1c00
666 #define T_OPCODE_SUB_I3 0x1e00
668 #define T_OPCODE_ASR_R 0x4100
669 #define T_OPCODE_LSL_R 0x4080
670 #define T_OPCODE_LSR_R 0x40c0
671 #define T_OPCODE_ROR_R 0x41c0
672 #define T_OPCODE_ASR_I 0x1000
673 #define T_OPCODE_LSL_I 0x0000
674 #define T_OPCODE_LSR_I 0x0800
676 #define T_OPCODE_MOV_I8 0x2000
677 #define T_OPCODE_CMP_I8 0x2800
678 #define T_OPCODE_CMP_LR 0x4280
679 #define T_OPCODE_MOV_HR 0x4600
680 #define T_OPCODE_CMP_HR 0x4500
682 #define T_OPCODE_LDR_PC 0x4800
683 #define T_OPCODE_LDR_SP 0x9800
684 #define T_OPCODE_STR_SP 0x9000
685 #define T_OPCODE_LDR_IW 0x6800
686 #define T_OPCODE_STR_IW 0x6000
687 #define T_OPCODE_LDR_IH 0x8800
688 #define T_OPCODE_STR_IH 0x8000
689 #define T_OPCODE_LDR_IB 0x7800
690 #define T_OPCODE_STR_IB 0x7000
691 #define T_OPCODE_LDR_RW 0x5800
692 #define T_OPCODE_STR_RW 0x5000
693 #define T_OPCODE_LDR_RH 0x5a00
694 #define T_OPCODE_STR_RH 0x5200
695 #define T_OPCODE_LDR_RB 0x5c00
696 #define T_OPCODE_STR_RB 0x5400
698 #define T_OPCODE_PUSH 0xb400
699 #define T_OPCODE_POP 0xbc00
701 #define T_OPCODE_BRANCH 0xe000
703 #define THUMB_SIZE 2 /* Size of thumb instruction. */
704 #define THUMB_PP_PC_LR 0x0100
705 #define THUMB_LOAD_BIT 0x0800
706 #define THUMB2_LOAD_BIT 0x00100000
708 #define BAD_ARGS _("bad arguments to instruction")
709 #define BAD_SP _("r13 not allowed here")
710 #define BAD_PC _("r15 not allowed here")
711 #define BAD_COND _("instruction cannot be conditional")
712 #define BAD_OVERLAP _("registers may not be the same")
713 #define BAD_HIREG _("lo register required")
714 #define BAD_THUMB32 _("instruction not supported in Thumb16 mode")
715 #define BAD_ADDR_MODE _("instruction does not accept this addressing mode");
716 #define BAD_BRANCH _("branch must be last instruction in IT block")
717 #define BAD_NOT_IT _("instruction not allowed in IT block")
718 #define BAD_FPU _("selected FPU does not support instruction")
719 #define BAD_OUT_IT _("thumb conditional instruction should be in IT block")
720 #define BAD_IT_COND _("incorrect condition in IT block")
721 #define BAD_IT_IT _("IT falling in the range of a previous IT block")
722 #define MISSING_FNSTART _("missing .fnstart before unwinding directive")
723 #define BAD_PC_ADDRESSING \
724 _("cannot use register index with PC-relative addressing")
725 #define BAD_PC_WRITEBACK \
726 _("cannot use writeback with PC-relative addressing")
727 #define BAD_RANGE _("branch out of range")
729 static struct hash_control * arm_ops_hsh;
730 static struct hash_control * arm_cond_hsh;
731 static struct hash_control * arm_shift_hsh;
732 static struct hash_control * arm_psr_hsh;
733 static struct hash_control * arm_v7m_psr_hsh;
734 static struct hash_control * arm_reg_hsh;
735 static struct hash_control * arm_reloc_hsh;
736 static struct hash_control * arm_barrier_opt_hsh;
738 /* Stuff needed to resolve the label ambiguity
747 symbolS * last_label_seen;
748 static int label_is_thumb_function_name = FALSE;
750 /* Literal pool structure. Held on a per-section
751 and per-sub-section basis. */
753 #define MAX_LITERAL_POOL_SIZE 1024
754 typedef struct literal_pool
756 expressionS literals [MAX_LITERAL_POOL_SIZE];
757 unsigned int next_free_entry;
763 struct dwarf2_line_info locs [MAX_LITERAL_POOL_SIZE];
765 struct literal_pool * next;
768 /* Pointer to a linked list of literal pools. */
769 literal_pool * list_of_pools = NULL;
772 # define now_it seg_info (now_seg)->tc_segment_info_data.current_it
774 static struct current_it now_it;
778 now_it_compatible (int cond)
780 return (cond & ~1) == (now_it.cc & ~1);
784 conditional_insn (void)
786 return inst.cond != COND_ALWAYS;
789 static int in_it_block (void);
791 static int handle_it_state (void);
793 static void force_automatic_it_block_close (void);
795 static void it_fsm_post_encode (void);
797 #define set_it_insn_type(type) \
800 inst.it_insn_type = type; \
801 if (handle_it_state () == FAIL) \
806 #define set_it_insn_type_nonvoid(type, failret) \
809 inst.it_insn_type = type; \
810 if (handle_it_state () == FAIL) \
815 #define set_it_insn_type_last() \
818 if (inst.cond == COND_ALWAYS) \
819 set_it_insn_type (IF_INSIDE_IT_LAST_INSN); \
821 set_it_insn_type (INSIDE_IT_LAST_INSN); \
827 /* This array holds the chars that always start a comment. If the
828 pre-processor is disabled, these aren't very useful. */
829 const char comment_chars[] = "@";
831 /* This array holds the chars that only start a comment at the beginning of
832 a line. If the line seems to have the form '# 123 filename'
833 .line and .file directives will appear in the pre-processed output. */
834 /* Note that input_file.c hand checks for '#' at the beginning of the
835 first line of the input file. This is because the compiler outputs
836 #NO_APP at the beginning of its output. */
837 /* Also note that comments like this one will always work. */
838 const char line_comment_chars[] = "#";
840 const char line_separator_chars[] = ";";
842 /* Chars that can be used to separate mant
843 from exp in floating point numbers. */
844 const char EXP_CHARS[] = "eE";
846 /* Chars that mean this number is a floating point constant. */
850 const char FLT_CHARS[] = "rRsSfFdDxXeEpP";
852 /* Prefix characters that indicate the start of an immediate
854 #define is_immediate_prefix(C) ((C) == '#' || (C) == '$')
856 /* Separator character handling. */
858 #define skip_whitespace(str) do { if (*(str) == ' ') ++(str); } while (0)
861 skip_past_char (char ** str, char c)
872 #define skip_past_comma(str) skip_past_char (str, ',')
874 /* Arithmetic expressions (possibly involving symbols). */
876 /* Return TRUE if anything in the expression is a bignum. */
879 walk_no_bignums (symbolS * sp)
881 if (symbol_get_value_expression (sp)->X_op == O_big)
884 if (symbol_get_value_expression (sp)->X_add_symbol)
886 return (walk_no_bignums (symbol_get_value_expression (sp)->X_add_symbol)
887 || (symbol_get_value_expression (sp)->X_op_symbol
888 && walk_no_bignums (symbol_get_value_expression (sp)->X_op_symbol)));
894 static int in_my_get_expression = 0;
896 /* Third argument to my_get_expression. */
897 #define GE_NO_PREFIX 0
898 #define GE_IMM_PREFIX 1
899 #define GE_OPT_PREFIX 2
900 /* This is a bit of a hack. Use an optional prefix, and also allow big (64-bit)
901 immediates, as can be used in Neon VMVN and VMOV immediate instructions. */
902 #define GE_OPT_PREFIX_BIG 3
905 my_get_expression (expressionS * ep, char ** str, int prefix_mode)
910 /* In unified syntax, all prefixes are optional. */
912 prefix_mode = (prefix_mode == GE_OPT_PREFIX_BIG) ? prefix_mode
917 case GE_NO_PREFIX: break;
919 if (!is_immediate_prefix (**str))
921 inst.error = _("immediate expression requires a # prefix");
927 case GE_OPT_PREFIX_BIG:
928 if (is_immediate_prefix (**str))
934 memset (ep, 0, sizeof (expressionS));
936 save_in = input_line_pointer;
937 input_line_pointer = *str;
938 in_my_get_expression = 1;
939 seg = expression (ep);
940 in_my_get_expression = 0;
942 if (ep->X_op == O_illegal || ep->X_op == O_absent)
944 /* We found a bad or missing expression in md_operand(). */
945 *str = input_line_pointer;
946 input_line_pointer = save_in;
947 if (inst.error == NULL)
948 inst.error = (ep->X_op == O_absent
949 ? _("missing expression") :_("bad expression"));
954 if (seg != absolute_section
955 && seg != text_section
956 && seg != data_section
957 && seg != bss_section
958 && seg != undefined_section)
960 inst.error = _("bad segment");
961 *str = input_line_pointer;
962 input_line_pointer = save_in;
969 /* Get rid of any bignums now, so that we don't generate an error for which
970 we can't establish a line number later on. Big numbers are never valid
971 in instructions, which is where this routine is always called. */
972 if (prefix_mode != GE_OPT_PREFIX_BIG
973 && (ep->X_op == O_big
975 && (walk_no_bignums (ep->X_add_symbol)
977 && walk_no_bignums (ep->X_op_symbol))))))
979 inst.error = _("invalid constant");
980 *str = input_line_pointer;
981 input_line_pointer = save_in;
985 *str = input_line_pointer;
986 input_line_pointer = save_in;
990 /* Turn a string in input_line_pointer into a floating point constant
991 of type TYPE, and store the appropriate bytes in *LITP. The number
992 of LITTLENUMS emitted is stored in *SIZEP. An error message is
993 returned, or NULL on OK.
995 Note that fp constants aren't represent in the normal way on the ARM.
996 In big endian mode, things are as expected. However, in little endian
997 mode fp constants are big-endian word-wise, and little-endian byte-wise
998 within the words. For example, (double) 1.1 in big endian mode is
999 the byte sequence 3f f1 99 99 99 99 99 9a, and in little endian mode is
1000 the byte sequence 99 99 f1 3f 9a 99 99 99.
1002 ??? The format of 12 byte floats is uncertain according to gcc's arm.h. */
1005 md_atof (int type, char * litP, int * sizeP)
1008 LITTLENUM_TYPE words[MAX_LITTLENUMS];
1040 return _("Unrecognized or unsupported floating point constant");
1043 t = atof_ieee (input_line_pointer, type, words);
1045 input_line_pointer = t;
1046 *sizeP = prec * sizeof (LITTLENUM_TYPE);
1048 if (target_big_endian)
1050 for (i = 0; i < prec; i++)
1052 md_number_to_chars (litP, (valueT) words[i], sizeof (LITTLENUM_TYPE));
1053 litP += sizeof (LITTLENUM_TYPE);
1058 if (ARM_CPU_HAS_FEATURE (cpu_variant, fpu_endian_pure))
1059 for (i = prec - 1; i >= 0; i--)
1061 md_number_to_chars (litP, (valueT) words[i], sizeof (LITTLENUM_TYPE));
1062 litP += sizeof (LITTLENUM_TYPE);
1065 /* For a 4 byte float the order of elements in `words' is 1 0.
1066 For an 8 byte float the order is 1 0 3 2. */
1067 for (i = 0; i < prec; i += 2)
1069 md_number_to_chars (litP, (valueT) words[i + 1],
1070 sizeof (LITTLENUM_TYPE));
1071 md_number_to_chars (litP + sizeof (LITTLENUM_TYPE),
1072 (valueT) words[i], sizeof (LITTLENUM_TYPE));
1073 litP += 2 * sizeof (LITTLENUM_TYPE);
1080 /* We handle all bad expressions here, so that we can report the faulty
1081 instruction in the error message. */
1083 md_operand (expressionS * exp)
1085 if (in_my_get_expression)
1086 exp->X_op = O_illegal;
1089 /* Immediate values. */
1091 /* Generic immediate-value read function for use in directives.
1092 Accepts anything that 'expression' can fold to a constant.
1093 *val receives the number. */
1096 immediate_for_directive (int *val)
1099 exp.X_op = O_illegal;
1101 if (is_immediate_prefix (*input_line_pointer))
1103 input_line_pointer++;
1107 if (exp.X_op != O_constant)
1109 as_bad (_("expected #constant"));
1110 ignore_rest_of_line ();
1113 *val = exp.X_add_number;
1118 /* Register parsing. */
1120 /* Generic register parser. CCP points to what should be the
1121 beginning of a register name. If it is indeed a valid register
1122 name, advance CCP over it and return the reg_entry structure;
1123 otherwise return NULL. Does not issue diagnostics. */
1125 static struct reg_entry *
1126 arm_reg_parse_multi (char **ccp)
1130 struct reg_entry *reg;
1132 #ifdef REGISTER_PREFIX
1133 if (*start != REGISTER_PREFIX)
1137 #ifdef OPTIONAL_REGISTER_PREFIX
1138 if (*start == OPTIONAL_REGISTER_PREFIX)
1143 if (!ISALPHA (*p) || !is_name_beginner (*p))
1148 while (ISALPHA (*p) || ISDIGIT (*p) || *p == '_');
1150 reg = (struct reg_entry *) hash_find_n (arm_reg_hsh, start, p - start);
1160 arm_reg_alt_syntax (char **ccp, char *start, struct reg_entry *reg,
1161 enum arm_reg_type type)
1163 /* Alternative syntaxes are accepted for a few register classes. */
1170 /* Generic coprocessor register names are allowed for these. */
1171 if (reg && reg->type == REG_TYPE_CN)
1176 /* For backward compatibility, a bare number is valid here. */
1178 unsigned long processor = strtoul (start, ccp, 10);
1179 if (*ccp != start && processor <= 15)
1183 case REG_TYPE_MMXWC:
1184 /* WC includes WCG. ??? I'm not sure this is true for all
1185 instructions that take WC registers. */
1186 if (reg && reg->type == REG_TYPE_MMXWCG)
1197 /* As arm_reg_parse_multi, but the register must be of type TYPE, and the
1198 return value is the register number or FAIL. */
1201 arm_reg_parse (char **ccp, enum arm_reg_type type)
1204 struct reg_entry *reg = arm_reg_parse_multi (ccp);
1207 /* Do not allow a scalar (reg+index) to parse as a register. */
1208 if (reg && reg->neon && (reg->neon->defined & NTA_HASINDEX))
1211 if (reg && reg->type == type)
1214 if ((ret = arm_reg_alt_syntax (ccp, start, reg, type)) != FAIL)
1221 /* Parse a Neon type specifier. *STR should point at the leading '.'
1222 character. Does no verification at this stage that the type fits the opcode
1229 Can all be legally parsed by this function.
1231 Fills in neon_type struct pointer with parsed information, and updates STR
1232 to point after the parsed type specifier. Returns SUCCESS if this was a legal
1233 type, FAIL if not. */
1236 parse_neon_type (struct neon_type *type, char **str)
1243 while (type->elems < NEON_MAX_TYPE_ELS)
1245 enum neon_el_type thistype = NT_untyped;
1246 unsigned thissize = -1u;
1253 /* Just a size without an explicit type. */
1257 switch (TOLOWER (*ptr))
1259 case 'i': thistype = NT_integer; break;
1260 case 'f': thistype = NT_float; break;
1261 case 'p': thistype = NT_poly; break;
1262 case 's': thistype = NT_signed; break;
1263 case 'u': thistype = NT_unsigned; break;
1265 thistype = NT_float;
1270 as_bad (_("unexpected character `%c' in type specifier"), *ptr);
1276 /* .f is an abbreviation for .f32. */
1277 if (thistype == NT_float && !ISDIGIT (*ptr))
1282 thissize = strtoul (ptr, &ptr, 10);
1284 if (thissize != 8 && thissize != 16 && thissize != 32
1287 as_bad (_("bad size %d in type specifier"), thissize);
1295 type->el[type->elems].type = thistype;
1296 type->el[type->elems].size = thissize;
1301 /* Empty/missing type is not a successful parse. */
1302 if (type->elems == 0)
1310 /* Errors may be set multiple times during parsing or bit encoding
1311 (particularly in the Neon bits), but usually the earliest error which is set
1312 will be the most meaningful. Avoid overwriting it with later (cascading)
1313 errors by calling this function. */
1316 first_error (const char *err)
1322 /* Parse a single type, e.g. ".s32", leading period included. */
1324 parse_neon_operand_type (struct neon_type_el *vectype, char **ccp)
1327 struct neon_type optype;
1331 if (parse_neon_type (&optype, &str) == SUCCESS)
1333 if (optype.elems == 1)
1334 *vectype = optype.el[0];
1337 first_error (_("only one type should be specified for operand"));
1343 first_error (_("vector type expected"));
1355 /* Special meanings for indices (which have a range of 0-7), which will fit into
1358 #define NEON_ALL_LANES 15
1359 #define NEON_INTERLEAVE_LANES 14
1361 /* Parse either a register or a scalar, with an optional type. Return the
1362 register number, and optionally fill in the actual type of the register
1363 when multiple alternatives were given (NEON_TYPE_NDQ) in *RTYPE, and
1364 type/index information in *TYPEINFO. */
1367 parse_typed_reg_or_scalar (char **ccp, enum arm_reg_type type,
1368 enum arm_reg_type *rtype,
1369 struct neon_typed_alias *typeinfo)
1372 struct reg_entry *reg = arm_reg_parse_multi (&str);
1373 struct neon_typed_alias atype;
1374 struct neon_type_el parsetype;
1378 atype.eltype.type = NT_invtype;
1379 atype.eltype.size = -1;
1381 /* Try alternate syntax for some types of register. Note these are mutually
1382 exclusive with the Neon syntax extensions. */
1385 int altreg = arm_reg_alt_syntax (&str, *ccp, reg, type);
1393 /* Undo polymorphism when a set of register types may be accepted. */
1394 if ((type == REG_TYPE_NDQ
1395 && (reg->type == REG_TYPE_NQ || reg->type == REG_TYPE_VFD))
1396 || (type == REG_TYPE_VFSD
1397 && (reg->type == REG_TYPE_VFS || reg->type == REG_TYPE_VFD))
1398 || (type == REG_TYPE_NSDQ
1399 && (reg->type == REG_TYPE_VFS || reg->type == REG_TYPE_VFD
1400 || reg->type == REG_TYPE_NQ))
1401 || (type == REG_TYPE_MMXWC
1402 && (reg->type == REG_TYPE_MMXWCG)))
1403 type = (enum arm_reg_type) reg->type;
1405 if (type != reg->type)
1411 if (parse_neon_operand_type (&parsetype, &str) == SUCCESS)
1413 if ((atype.defined & NTA_HASTYPE) != 0)
1415 first_error (_("can't redefine type for operand"));
1418 atype.defined |= NTA_HASTYPE;
1419 atype.eltype = parsetype;
1422 if (skip_past_char (&str, '[') == SUCCESS)
1424 if (type != REG_TYPE_VFD)
1426 first_error (_("only D registers may be indexed"));
1430 if ((atype.defined & NTA_HASINDEX) != 0)
1432 first_error (_("can't change index for operand"));
1436 atype.defined |= NTA_HASINDEX;
1438 if (skip_past_char (&str, ']') == SUCCESS)
1439 atype.index = NEON_ALL_LANES;
1444 my_get_expression (&exp, &str, GE_NO_PREFIX);
1446 if (exp.X_op != O_constant)
1448 first_error (_("constant expression required"));
1452 if (skip_past_char (&str, ']') == FAIL)
1455 atype.index = exp.X_add_number;
1470 /* Like arm_reg_parse, but allow allow the following extra features:
1471 - If RTYPE is non-zero, return the (possibly restricted) type of the
1472 register (e.g. Neon double or quad reg when either has been requested).
1473 - If this is a Neon vector type with additional type information, fill
1474 in the struct pointed to by VECTYPE (if non-NULL).
1475 This function will fault on encountering a scalar. */
1478 arm_typed_reg_parse (char **ccp, enum arm_reg_type type,
1479 enum arm_reg_type *rtype, struct neon_type_el *vectype)
1481 struct neon_typed_alias atype;
1483 int reg = parse_typed_reg_or_scalar (&str, type, rtype, &atype);
1488 /* Do not allow regname(... to parse as a register. */
1492 /* Do not allow a scalar (reg+index) to parse as a register. */
1493 if ((atype.defined & NTA_HASINDEX) != 0)
1495 first_error (_("register operand expected, but got scalar"));
1500 *vectype = atype.eltype;
1507 #define NEON_SCALAR_REG(X) ((X) >> 4)
1508 #define NEON_SCALAR_INDEX(X) ((X) & 15)
1510 /* Parse a Neon scalar. Most of the time when we're parsing a scalar, we don't
1511 have enough information to be able to do a good job bounds-checking. So, we
1512 just do easy checks here, and do further checks later. */
1515 parse_scalar (char **ccp, int elsize, struct neon_type_el *type)
1519 struct neon_typed_alias atype;
1521 reg = parse_typed_reg_or_scalar (&str, REG_TYPE_VFD, NULL, &atype);
1523 if (reg == FAIL || (atype.defined & NTA_HASINDEX) == 0)
1526 if (atype.index == NEON_ALL_LANES)
1528 first_error (_("scalar must have an index"));
1531 else if (atype.index >= 64 / elsize)
1533 first_error (_("scalar index out of range"));
1538 *type = atype.eltype;
1542 return reg * 16 + atype.index;
1545 /* Parse an ARM register list. Returns the bitmask, or FAIL. */
1548 parse_reg_list (char ** strp)
1550 char * str = * strp;
1554 /* We come back here if we get ranges concatenated by '+' or '|'. */
1569 if ((reg = arm_reg_parse (&str, REG_TYPE_RN)) == FAIL)
1571 first_error (_(reg_expected_msgs[REG_TYPE_RN]));
1581 first_error (_("bad range in register list"));
1585 for (i = cur_reg + 1; i < reg; i++)
1587 if (range & (1 << i))
1589 (_("Warning: duplicated register (r%d) in register list"),
1597 if (range & (1 << reg))
1598 as_tsktsk (_("Warning: duplicated register (r%d) in register list"),
1600 else if (reg <= cur_reg)
1601 as_tsktsk (_("Warning: register range not in ascending order"));
1606 while (skip_past_comma (&str) != FAIL
1607 || (in_range = 1, *str++ == '-'));
1612 first_error (_("missing `}'"));
1620 if (my_get_expression (&exp, &str, GE_NO_PREFIX))
1623 if (exp.X_op == O_constant)
1625 if (exp.X_add_number
1626 != (exp.X_add_number & 0x0000ffff))
1628 inst.error = _("invalid register mask");
1632 if ((range & exp.X_add_number) != 0)
1634 int regno = range & exp.X_add_number;
1637 regno = (1 << regno) - 1;
1639 (_("Warning: duplicated register (r%d) in register list"),
1643 range |= exp.X_add_number;
1647 if (inst.reloc.type != 0)
1649 inst.error = _("expression too complex");
1653 memcpy (&inst.reloc.exp, &exp, sizeof (expressionS));
1654 inst.reloc.type = BFD_RELOC_ARM_MULTI;
1655 inst.reloc.pc_rel = 0;
1659 if (*str == '|' || *str == '+')
1665 while (another_range);
1671 /* Types of registers in a list. */
1680 /* Parse a VFP register list. If the string is invalid return FAIL.
1681 Otherwise return the number of registers, and set PBASE to the first
1682 register. Parses registers of type ETYPE.
1683 If REGLIST_NEON_D is used, several syntax enhancements are enabled:
1684 - Q registers can be used to specify pairs of D registers
1685 - { } can be omitted from around a singleton register list
1686 FIXME: This is not implemented, as it would require backtracking in
1689 This could be done (the meaning isn't really ambiguous), but doesn't
1690 fit in well with the current parsing framework.
1691 - 32 D registers may be used (also true for VFPv3).
1692 FIXME: Types are ignored in these register lists, which is probably a
1696 parse_vfp_reg_list (char **ccp, unsigned int *pbase, enum reg_list_els etype)
1701 enum arm_reg_type regtype = (enum arm_reg_type) 0;
1705 unsigned long mask = 0;
1710 inst.error = _("expecting {");
1719 regtype = REG_TYPE_VFS;
1724 regtype = REG_TYPE_VFD;
1727 case REGLIST_NEON_D:
1728 regtype = REG_TYPE_NDQ;
1732 if (etype != REGLIST_VFP_S)
1734 /* VFPv3 allows 32 D registers, except for the VFPv3-D16 variant. */
1735 if (ARM_CPU_HAS_FEATURE (cpu_variant, fpu_vfp_ext_d32))
1739 ARM_MERGE_FEATURE_SETS (thumb_arch_used, thumb_arch_used,
1742 ARM_MERGE_FEATURE_SETS (arm_arch_used, arm_arch_used,
1749 base_reg = max_regs;
1753 int setmask = 1, addregs = 1;
1755 new_base = arm_typed_reg_parse (&str, regtype, ®type, NULL);
1757 if (new_base == FAIL)
1759 first_error (_(reg_expected_msgs[regtype]));
1763 if (new_base >= max_regs)
1765 first_error (_("register out of range in list"));
1769 /* Note: a value of 2 * n is returned for the register Q<n>. */
1770 if (regtype == REG_TYPE_NQ)
1776 if (new_base < base_reg)
1777 base_reg = new_base;
1779 if (mask & (setmask << new_base))
1781 first_error (_("invalid register list"));
1785 if ((mask >> new_base) != 0 && ! warned)
1787 as_tsktsk (_("register list not in ascending order"));
1791 mask |= setmask << new_base;
1794 if (*str == '-') /* We have the start of a range expression */
1800 if ((high_range = arm_typed_reg_parse (&str, regtype, NULL, NULL))
1803 inst.error = gettext (reg_expected_msgs[regtype]);
1807 if (high_range >= max_regs)
1809 first_error (_("register out of range in list"));
1813 if (regtype == REG_TYPE_NQ)
1814 high_range = high_range + 1;
1816 if (high_range <= new_base)
1818 inst.error = _("register range not in ascending order");
1822 for (new_base += addregs; new_base <= high_range; new_base += addregs)
1824 if (mask & (setmask << new_base))
1826 inst.error = _("invalid register list");
1830 mask |= setmask << new_base;
1835 while (skip_past_comma (&str) != FAIL);
1839 /* Sanity check -- should have raised a parse error above. */
1840 if (count == 0 || count > max_regs)
1845 /* Final test -- the registers must be consecutive. */
1847 for (i = 0; i < count; i++)
1849 if ((mask & (1u << i)) == 0)
1851 inst.error = _("non-contiguous register range");
1861 /* True if two alias types are the same. */
1864 neon_alias_types_same (struct neon_typed_alias *a, struct neon_typed_alias *b)
1872 if (a->defined != b->defined)
1875 if ((a->defined & NTA_HASTYPE) != 0
1876 && (a->eltype.type != b->eltype.type
1877 || a->eltype.size != b->eltype.size))
1880 if ((a->defined & NTA_HASINDEX) != 0
1881 && (a->index != b->index))
1887 /* Parse element/structure lists for Neon VLD<n> and VST<n> instructions.
1888 The base register is put in *PBASE.
1889 The lane (or one of the NEON_*_LANES constants) is placed in bits [3:0] of
1891 The register stride (minus one) is put in bit 4 of the return value.
1892 Bits [6:5] encode the list length (minus one).
1893 The type of the list elements is put in *ELTYPE, if non-NULL. */
1895 #define NEON_LANE(X) ((X) & 0xf)
1896 #define NEON_REG_STRIDE(X) ((((X) >> 4) & 1) + 1)
1897 #define NEON_REGLIST_LENGTH(X) ((((X) >> 5) & 3) + 1)
1900 parse_neon_el_struct_list (char **str, unsigned *pbase,
1901 struct neon_type_el *eltype)
1908 int leading_brace = 0;
1909 enum arm_reg_type rtype = REG_TYPE_NDQ;
1910 const char *const incr_error = _("register stride must be 1 or 2");
1911 const char *const type_error = _("mismatched element/structure types in list");
1912 struct neon_typed_alias firsttype;
1914 if (skip_past_char (&ptr, '{') == SUCCESS)
1919 struct neon_typed_alias atype;
1920 int getreg = parse_typed_reg_or_scalar (&ptr, rtype, &rtype, &atype);
1924 first_error (_(reg_expected_msgs[rtype]));
1931 if (rtype == REG_TYPE_NQ)
1937 else if (reg_incr == -1)
1939 reg_incr = getreg - base_reg;
1940 if (reg_incr < 1 || reg_incr > 2)
1942 first_error (_(incr_error));
1946 else if (getreg != base_reg + reg_incr * count)
1948 first_error (_(incr_error));
1952 if (! neon_alias_types_same (&atype, &firsttype))
1954 first_error (_(type_error));
1958 /* Handle Dn-Dm or Qn-Qm syntax. Can only be used with non-indexed list
1962 struct neon_typed_alias htype;
1963 int hireg, dregs = (rtype == REG_TYPE_NQ) ? 2 : 1;
1965 lane = NEON_INTERLEAVE_LANES;
1966 else if (lane != NEON_INTERLEAVE_LANES)
1968 first_error (_(type_error));
1973 else if (reg_incr != 1)
1975 first_error (_("don't use Rn-Rm syntax with non-unit stride"));
1979 hireg = parse_typed_reg_or_scalar (&ptr, rtype, NULL, &htype);
1982 first_error (_(reg_expected_msgs[rtype]));
1985 if (! neon_alias_types_same (&htype, &firsttype))
1987 first_error (_(type_error));
1990 count += hireg + dregs - getreg;
1994 /* If we're using Q registers, we can't use [] or [n] syntax. */
1995 if (rtype == REG_TYPE_NQ)
2001 if ((atype.defined & NTA_HASINDEX) != 0)
2005 else if (lane != atype.index)
2007 first_error (_(type_error));
2011 else if (lane == -1)
2012 lane = NEON_INTERLEAVE_LANES;
2013 else if (lane != NEON_INTERLEAVE_LANES)
2015 first_error (_(type_error));
2020 while ((count != 1 || leading_brace) && skip_past_comma (&ptr) != FAIL);
2022 /* No lane set by [x]. We must be interleaving structures. */
2024 lane = NEON_INTERLEAVE_LANES;
2027 if (lane == -1 || base_reg == -1 || count < 1 || count > 4
2028 || (count > 1 && reg_incr == -1))
2030 first_error (_("error parsing element/structure list"));
2034 if ((count > 1 || leading_brace) && skip_past_char (&ptr, '}') == FAIL)
2036 first_error (_("expected }"));
2044 *eltype = firsttype.eltype;
2049 return lane | ((reg_incr - 1) << 4) | ((count - 1) << 5);
2052 /* Parse an explicit relocation suffix on an expression. This is
2053 either nothing, or a word in parentheses. Note that if !OBJ_ELF,
2054 arm_reloc_hsh contains no entries, so this function can only
2055 succeed if there is no () after the word. Returns -1 on error,
2056 BFD_RELOC_UNUSED if there wasn't any suffix. */
2059 parse_reloc (char **str)
2061 struct reloc_entry *r;
2065 return BFD_RELOC_UNUSED;
2070 while (*q && *q != ')' && *q != ',')
2075 if ((r = (struct reloc_entry *)
2076 hash_find_n (arm_reloc_hsh, p, q - p)) == NULL)
2083 /* Directives: register aliases. */
2085 static struct reg_entry *
2086 insert_reg_alias (char *str, unsigned number, int type)
2088 struct reg_entry *new_reg;
2091 if ((new_reg = (struct reg_entry *) hash_find (arm_reg_hsh, str)) != 0)
2093 if (new_reg->builtin)
2094 as_warn (_("ignoring attempt to redefine built-in register '%s'"), str);
2096 /* Only warn about a redefinition if it's not defined as the
2098 else if (new_reg->number != number || new_reg->type != type)
2099 as_warn (_("ignoring redefinition of register alias '%s'"), str);
2104 name = xstrdup (str);
2105 new_reg = (struct reg_entry *) xmalloc (sizeof (struct reg_entry));
2107 new_reg->name = name;
2108 new_reg->number = number;
2109 new_reg->type = type;
2110 new_reg->builtin = FALSE;
2111 new_reg->neon = NULL;
2113 if (hash_insert (arm_reg_hsh, name, (void *) new_reg))
2120 insert_neon_reg_alias (char *str, int number, int type,
2121 struct neon_typed_alias *atype)
2123 struct reg_entry *reg = insert_reg_alias (str, number, type);
2127 first_error (_("attempt to redefine typed alias"));
2133 reg->neon = (struct neon_typed_alias *)
2134 xmalloc (sizeof (struct neon_typed_alias));
2135 *reg->neon = *atype;
2139 /* Look for the .req directive. This is of the form:
2141 new_register_name .req existing_register_name
2143 If we find one, or if it looks sufficiently like one that we want to
2144 handle any error here, return TRUE. Otherwise return FALSE. */
2147 create_register_alias (char * newname, char *p)
2149 struct reg_entry *old;
2150 char *oldname, *nbuf;
2153 /* The input scrubber ensures that whitespace after the mnemonic is
2154 collapsed to single spaces. */
2156 if (strncmp (oldname, " .req ", 6) != 0)
2160 if (*oldname == '\0')
2163 old = (struct reg_entry *) hash_find (arm_reg_hsh, oldname);
2166 as_warn (_("unknown register '%s' -- .req ignored"), oldname);
2170 /* If TC_CASE_SENSITIVE is defined, then newname already points to
2171 the desired alias name, and p points to its end. If not, then
2172 the desired alias name is in the global original_case_string. */
2173 #ifdef TC_CASE_SENSITIVE
2176 newname = original_case_string;
2177 nlen = strlen (newname);
2180 nbuf = (char *) alloca (nlen + 1);
2181 memcpy (nbuf, newname, nlen);
2184 /* Create aliases under the new name as stated; an all-lowercase
2185 version of the new name; and an all-uppercase version of the new
2187 if (insert_reg_alias (nbuf, old->number, old->type) != NULL)
2189 for (p = nbuf; *p; p++)
2192 if (strncmp (nbuf, newname, nlen))
2194 /* If this attempt to create an additional alias fails, do not bother
2195 trying to create the all-lower case alias. We will fail and issue
2196 a second, duplicate error message. This situation arises when the
2197 programmer does something like:
2200 The second .req creates the "Foo" alias but then fails to create
2201 the artificial FOO alias because it has already been created by the
2203 if (insert_reg_alias (nbuf, old->number, old->type) == NULL)
2207 for (p = nbuf; *p; p++)
2210 if (strncmp (nbuf, newname, nlen))
2211 insert_reg_alias (nbuf, old->number, old->type);
2217 /* Create a Neon typed/indexed register alias using directives, e.g.:
2222 These typed registers can be used instead of the types specified after the
2223 Neon mnemonic, so long as all operands given have types. Types can also be
2224 specified directly, e.g.:
2225 vadd d0.s32, d1.s32, d2.s32 */
2228 create_neon_reg_alias (char *newname, char *p)
2230 enum arm_reg_type basetype;
2231 struct reg_entry *basereg;
2232 struct reg_entry mybasereg;
2233 struct neon_type ntype;
2234 struct neon_typed_alias typeinfo;
2235 char *namebuf, *nameend ATTRIBUTE_UNUSED;
2238 typeinfo.defined = 0;
2239 typeinfo.eltype.type = NT_invtype;
2240 typeinfo.eltype.size = -1;
2241 typeinfo.index = -1;
2245 if (strncmp (p, " .dn ", 5) == 0)
2246 basetype = REG_TYPE_VFD;
2247 else if (strncmp (p, " .qn ", 5) == 0)
2248 basetype = REG_TYPE_NQ;
2257 basereg = arm_reg_parse_multi (&p);
2259 if (basereg && basereg->type != basetype)
2261 as_bad (_("bad type for register"));
2265 if (basereg == NULL)
2268 /* Try parsing as an integer. */
2269 my_get_expression (&exp, &p, GE_NO_PREFIX);
2270 if (exp.X_op != O_constant)
2272 as_bad (_("expression must be constant"));
2275 basereg = &mybasereg;
2276 basereg->number = (basetype == REG_TYPE_NQ) ? exp.X_add_number * 2
2282 typeinfo = *basereg->neon;
2284 if (parse_neon_type (&ntype, &p) == SUCCESS)
2286 /* We got a type. */
2287 if (typeinfo.defined & NTA_HASTYPE)
2289 as_bad (_("can't redefine the type of a register alias"));
2293 typeinfo.defined |= NTA_HASTYPE;
2294 if (ntype.elems != 1)
2296 as_bad (_("you must specify a single type only"));
2299 typeinfo.eltype = ntype.el[0];
2302 if (skip_past_char (&p, '[') == SUCCESS)
2305 /* We got a scalar index. */
2307 if (typeinfo.defined & NTA_HASINDEX)
2309 as_bad (_("can't redefine the index of a scalar alias"));
2313 my_get_expression (&exp, &p, GE_NO_PREFIX);
2315 if (exp.X_op != O_constant)
2317 as_bad (_("scalar index must be constant"));
2321 typeinfo.defined |= NTA_HASINDEX;
2322 typeinfo.index = exp.X_add_number;
2324 if (skip_past_char (&p, ']') == FAIL)
2326 as_bad (_("expecting ]"));
2331 /* If TC_CASE_SENSITIVE is defined, then newname already points to
2332 the desired alias name, and p points to its end. If not, then
2333 the desired alias name is in the global original_case_string. */
2334 #ifdef TC_CASE_SENSITIVE
2335 namelen = nameend - newname;
2337 newname = original_case_string;
2338 namelen = strlen (newname);
2341 namebuf = (char *) alloca (namelen + 1);
2342 strncpy (namebuf, newname, namelen);
2343 namebuf[namelen] = '\0';
2345 insert_neon_reg_alias (namebuf, basereg->number, basetype,
2346 typeinfo.defined != 0 ? &typeinfo : NULL);
2348 /* Insert name in all uppercase. */
2349 for (p = namebuf; *p; p++)
2352 if (strncmp (namebuf, newname, namelen))
2353 insert_neon_reg_alias (namebuf, basereg->number, basetype,
2354 typeinfo.defined != 0 ? &typeinfo : NULL);
2356 /* Insert name in all lowercase. */
2357 for (p = namebuf; *p; p++)
2360 if (strncmp (namebuf, newname, namelen))
2361 insert_neon_reg_alias (namebuf, basereg->number, basetype,
2362 typeinfo.defined != 0 ? &typeinfo : NULL);
2367 /* Should never be called, as .req goes between the alias and the
2368 register name, not at the beginning of the line. */
2371 s_req (int a ATTRIBUTE_UNUSED)
2373 as_bad (_("invalid syntax for .req directive"));
2377 s_dn (int a ATTRIBUTE_UNUSED)
2379 as_bad (_("invalid syntax for .dn directive"));
2383 s_qn (int a ATTRIBUTE_UNUSED)
2385 as_bad (_("invalid syntax for .qn directive"));
2388 /* The .unreq directive deletes an alias which was previously defined
2389 by .req. For example:
2395 s_unreq (int a ATTRIBUTE_UNUSED)
2400 name = input_line_pointer;
2402 while (*input_line_pointer != 0
2403 && *input_line_pointer != ' '
2404 && *input_line_pointer != '\n')
2405 ++input_line_pointer;
2407 saved_char = *input_line_pointer;
2408 *input_line_pointer = 0;
2411 as_bad (_("invalid syntax for .unreq directive"));
2414 struct reg_entry *reg = (struct reg_entry *) hash_find (arm_reg_hsh,
2418 as_bad (_("unknown register alias '%s'"), name);
2419 else if (reg->builtin)
2420 as_warn (_("ignoring attempt to use .unreq on fixed register name: '%s'"),
2427 hash_delete (arm_reg_hsh, name, FALSE);
2428 free ((char *) reg->name);
2433 /* Also locate the all upper case and all lower case versions.
2434 Do not complain if we cannot find one or the other as it
2435 was probably deleted above. */
2437 nbuf = strdup (name);
2438 for (p = nbuf; *p; p++)
2440 reg = (struct reg_entry *) hash_find (arm_reg_hsh, nbuf);
2443 hash_delete (arm_reg_hsh, nbuf, FALSE);
2444 free ((char *) reg->name);
2450 for (p = nbuf; *p; p++)
2452 reg = (struct reg_entry *) hash_find (arm_reg_hsh, nbuf);
2455 hash_delete (arm_reg_hsh, nbuf, FALSE);
2456 free ((char *) reg->name);
2466 *input_line_pointer = saved_char;
2467 demand_empty_rest_of_line ();
2470 /* Directives: Instruction set selection. */
2473 /* This code is to handle mapping symbols as defined in the ARM ELF spec.
2474 (See "Mapping symbols", section 4.5.5, ARM AAELF version 1.0).
2475 Note that previously, $a and $t has type STT_FUNC (BSF_OBJECT flag),
2476 and $d has type STT_OBJECT (BSF_OBJECT flag). Now all three are untyped. */
2478 /* Create a new mapping symbol for the transition to STATE. */
2481 make_mapping_symbol (enum mstate state, valueT value, fragS *frag)
2484 const char * symname;
2491 type = BSF_NO_FLAGS;
2495 type = BSF_NO_FLAGS;
2499 type = BSF_NO_FLAGS;
2505 symbolP = symbol_new (symname, now_seg, value, frag);
2506 symbol_get_bfdsym (symbolP)->flags |= type | BSF_LOCAL;
2511 THUMB_SET_FUNC (symbolP, 0);
2512 ARM_SET_THUMB (symbolP, 0);
2513 ARM_SET_INTERWORK (symbolP, support_interwork);
2517 THUMB_SET_FUNC (symbolP, 1);
2518 ARM_SET_THUMB (symbolP, 1);
2519 ARM_SET_INTERWORK (symbolP, support_interwork);
2527 /* Save the mapping symbols for future reference. Also check that
2528 we do not place two mapping symbols at the same offset within a
2529 frag. We'll handle overlap between frags in
2530 check_mapping_symbols.
2532 If .fill or other data filling directive generates zero sized data,
2533 the mapping symbol for the following code will have the same value
2534 as the one generated for the data filling directive. In this case,
2535 we replace the old symbol with the new one at the same address. */
2538 if (frag->tc_frag_data.first_map != NULL)
2540 know (S_GET_VALUE (frag->tc_frag_data.first_map) == 0);
2541 symbol_remove (frag->tc_frag_data.first_map, &symbol_rootP, &symbol_lastP);
2543 frag->tc_frag_data.first_map = symbolP;
2545 if (frag->tc_frag_data.last_map != NULL)
2547 know (S_GET_VALUE (frag->tc_frag_data.last_map) <= S_GET_VALUE (symbolP));
2548 if (S_GET_VALUE (frag->tc_frag_data.last_map) == S_GET_VALUE (symbolP))
2549 symbol_remove (frag->tc_frag_data.last_map, &symbol_rootP, &symbol_lastP);
2551 frag->tc_frag_data.last_map = symbolP;
2554 /* We must sometimes convert a region marked as code to data during
2555 code alignment, if an odd number of bytes have to be padded. The
2556 code mapping symbol is pushed to an aligned address. */
2559 insert_data_mapping_symbol (enum mstate state,
2560 valueT value, fragS *frag, offsetT bytes)
2562 /* If there was already a mapping symbol, remove it. */
2563 if (frag->tc_frag_data.last_map != NULL
2564 && S_GET_VALUE (frag->tc_frag_data.last_map) == frag->fr_address + value)
2566 symbolS *symp = frag->tc_frag_data.last_map;
2570 know (frag->tc_frag_data.first_map == symp);
2571 frag->tc_frag_data.first_map = NULL;
2573 frag->tc_frag_data.last_map = NULL;
2574 symbol_remove (symp, &symbol_rootP, &symbol_lastP);
2577 make_mapping_symbol (MAP_DATA, value, frag);
2578 make_mapping_symbol (state, value + bytes, frag);
2581 static void mapping_state_2 (enum mstate state, int max_chars);
2583 /* Set the mapping state to STATE. Only call this when about to
2584 emit some STATE bytes to the file. */
2587 mapping_state (enum mstate state)
2589 enum mstate mapstate = seg_info (now_seg)->tc_segment_info_data.mapstate;
2591 #define TRANSITION(from, to) (mapstate == (from) && state == (to))
2593 if (mapstate == state)
2594 /* The mapping symbol has already been emitted.
2595 There is nothing else to do. */
2598 if (state == MAP_ARM || state == MAP_THUMB)
2600 All ARM instructions require 4-byte alignment.
2601 (Almost) all Thumb instructions require 2-byte alignment.
2603 When emitting instructions into any section, mark the section
2606 Some Thumb instructions are alignment-sensitive modulo 4 bytes,
2607 but themselves require 2-byte alignment; this applies to some
2608 PC- relative forms. However, these cases will invovle implicit
2609 literal pool generation or an explicit .align >=2, both of
2610 which will cause the section to me marked with sufficient
2611 alignment. Thus, we don't handle those cases here. */
2612 record_alignment (now_seg, state == MAP_ARM ? 2 : 1);
2614 if (TRANSITION (MAP_UNDEFINED, MAP_DATA))
2615 /* This case will be evaluated later in the next else. */
2617 else if (TRANSITION (MAP_UNDEFINED, MAP_ARM)
2618 || TRANSITION (MAP_UNDEFINED, MAP_THUMB))
2620 /* Only add the symbol if the offset is > 0:
2621 if we're at the first frag, check it's size > 0;
2622 if we're not at the first frag, then for sure
2623 the offset is > 0. */
2624 struct frag * const frag_first = seg_info (now_seg)->frchainP->frch_root;
2625 const int add_symbol = (frag_now != frag_first) || (frag_now_fix () > 0);
2628 make_mapping_symbol (MAP_DATA, (valueT) 0, frag_first);
2631 mapping_state_2 (state, 0);
2635 /* Same as mapping_state, but MAX_CHARS bytes have already been
2636 allocated. Put the mapping symbol that far back. */
2639 mapping_state_2 (enum mstate state, int max_chars)
2641 enum mstate mapstate = seg_info (now_seg)->tc_segment_info_data.mapstate;
2643 if (!SEG_NORMAL (now_seg))
2646 if (mapstate == state)
2647 /* The mapping symbol has already been emitted.
2648 There is nothing else to do. */
2651 seg_info (now_seg)->tc_segment_info_data.mapstate = state;
2652 make_mapping_symbol (state, (valueT) frag_now_fix () - max_chars, frag_now);
2655 #define mapping_state(x) ((void)0)
2656 #define mapping_state_2(x, y) ((void)0)
2659 /* Find the real, Thumb encoded start of a Thumb function. */
2663 find_real_start (symbolS * symbolP)
2666 const char * name = S_GET_NAME (symbolP);
2667 symbolS * new_target;
2669 /* This definition must agree with the one in gcc/config/arm/thumb.c. */
2670 #define STUB_NAME ".real_start_of"
2675 /* The compiler may generate BL instructions to local labels because
2676 it needs to perform a branch to a far away location. These labels
2677 do not have a corresponding ".real_start_of" label. We check
2678 both for S_IS_LOCAL and for a leading dot, to give a way to bypass
2679 the ".real_start_of" convention for nonlocal branches. */
2680 if (S_IS_LOCAL (symbolP) || name[0] == '.')
2683 real_start = ACONCAT ((STUB_NAME, name, NULL));
2684 new_target = symbol_find (real_start);
2686 if (new_target == NULL)
2688 as_warn (_("Failed to find real start of function: %s\n"), name);
2689 new_target = symbolP;
2697 opcode_select (int width)
2704 if (!ARM_CPU_HAS_FEATURE (cpu_variant, arm_ext_v4t))
2705 as_bad (_("selected processor does not support THUMB opcodes"));
2708 /* No need to force the alignment, since we will have been
2709 coming from ARM mode, which is word-aligned. */
2710 record_alignment (now_seg, 1);
2717 if (!ARM_CPU_HAS_FEATURE (cpu_variant, arm_ext_v1))
2718 as_bad (_("selected processor does not support ARM opcodes"));
2723 frag_align (2, 0, 0);
2725 record_alignment (now_seg, 1);
2730 as_bad (_("invalid instruction size selected (%d)"), width);
2735 s_arm (int ignore ATTRIBUTE_UNUSED)
2738 demand_empty_rest_of_line ();
2742 s_thumb (int ignore ATTRIBUTE_UNUSED)
2745 demand_empty_rest_of_line ();
2749 s_code (int unused ATTRIBUTE_UNUSED)
2753 temp = get_absolute_expression ();
2758 opcode_select (temp);
2762 as_bad (_("invalid operand to .code directive (%d) (expecting 16 or 32)"), temp);
2767 s_force_thumb (int ignore ATTRIBUTE_UNUSED)
2769 /* If we are not already in thumb mode go into it, EVEN if
2770 the target processor does not support thumb instructions.
2771 This is used by gcc/config/arm/lib1funcs.asm for example
2772 to compile interworking support functions even if the
2773 target processor should not support interworking. */
2777 record_alignment (now_seg, 1);
2780 demand_empty_rest_of_line ();
2784 s_thumb_func (int ignore ATTRIBUTE_UNUSED)
2788 /* The following label is the name/address of the start of a Thumb function.
2789 We need to know this for the interworking support. */
2790 label_is_thumb_function_name = TRUE;
2793 /* Perform a .set directive, but also mark the alias as
2794 being a thumb function. */
2797 s_thumb_set (int equiv)
2799 /* XXX the following is a duplicate of the code for s_set() in read.c
2800 We cannot just call that code as we need to get at the symbol that
2807 /* Especial apologies for the random logic:
2808 This just grew, and could be parsed much more simply!
2810 name = input_line_pointer;
2811 delim = get_symbol_end ();
2812 end_name = input_line_pointer;
2815 if (*input_line_pointer != ',')
2818 as_bad (_("expected comma after name \"%s\""), name);
2820 ignore_rest_of_line ();
2824 input_line_pointer++;
2827 if (name[0] == '.' && name[1] == '\0')
2829 /* XXX - this should not happen to .thumb_set. */
2833 if ((symbolP = symbol_find (name)) == NULL
2834 && (symbolP = md_undefined_symbol (name)) == NULL)
2837 /* When doing symbol listings, play games with dummy fragments living
2838 outside the normal fragment chain to record the file and line info
2840 if (listing & LISTING_SYMBOLS)
2842 extern struct list_info_struct * listing_tail;
2843 fragS * dummy_frag = (fragS * ) xmalloc (sizeof (fragS));
2845 memset (dummy_frag, 0, sizeof (fragS));
2846 dummy_frag->fr_type = rs_fill;
2847 dummy_frag->line = listing_tail;
2848 symbolP = symbol_new (name, undefined_section, 0, dummy_frag);
2849 dummy_frag->fr_symbol = symbolP;
2853 symbolP = symbol_new (name, undefined_section, 0, &zero_address_frag);
2856 /* "set" symbols are local unless otherwise specified. */
2857 SF_SET_LOCAL (symbolP);
2858 #endif /* OBJ_COFF */
2859 } /* Make a new symbol. */
2861 symbol_table_insert (symbolP);
2866 && S_IS_DEFINED (symbolP)
2867 && S_GET_SEGMENT (symbolP) != reg_section)
2868 as_bad (_("symbol `%s' already defined"), S_GET_NAME (symbolP));
2870 pseudo_set (symbolP);
2872 demand_empty_rest_of_line ();
2874 /* XXX Now we come to the Thumb specific bit of code. */
2876 THUMB_SET_FUNC (symbolP, 1);
2877 ARM_SET_THUMB (symbolP, 1);
2878 #if defined OBJ_ELF || defined OBJ_COFF
2879 ARM_SET_INTERWORK (symbolP, support_interwork);
2883 /* Directives: Mode selection. */
2885 /* .syntax [unified|divided] - choose the new unified syntax
2886 (same for Arm and Thumb encoding, modulo slight differences in what
2887 can be represented) or the old divergent syntax for each mode. */
2889 s_syntax (int unused ATTRIBUTE_UNUSED)
2893 name = input_line_pointer;
2894 delim = get_symbol_end ();
2896 if (!strcasecmp (name, "unified"))
2897 unified_syntax = TRUE;
2898 else if (!strcasecmp (name, "divided"))
2899 unified_syntax = FALSE;
2902 as_bad (_("unrecognized syntax mode \"%s\""), name);
2905 *input_line_pointer = delim;
2906 demand_empty_rest_of_line ();
2909 /* Directives: sectioning and alignment. */
2911 /* Same as s_align_ptwo but align 0 => align 2. */
2914 s_align (int unused ATTRIBUTE_UNUSED)
2919 long max_alignment = 15;
2921 temp = get_absolute_expression ();
2922 if (temp > max_alignment)
2923 as_bad (_("alignment too large: %d assumed"), temp = max_alignment);
2926 as_bad (_("alignment negative. 0 assumed."));
2930 if (*input_line_pointer == ',')
2932 input_line_pointer++;
2933 temp_fill = get_absolute_expression ();
2945 /* Only make a frag if we HAVE to. */
2946 if (temp && !need_pass_2)
2948 if (!fill_p && subseg_text_p (now_seg))
2949 frag_align_code (temp, 0);
2951 frag_align (temp, (int) temp_fill, 0);
2953 demand_empty_rest_of_line ();
2955 record_alignment (now_seg, temp);
2959 s_bss (int ignore ATTRIBUTE_UNUSED)
2961 /* We don't support putting frags in the BSS segment, we fake it by
2962 marking in_bss, then looking at s_skip for clues. */
2963 subseg_set (bss_section, 0);
2964 demand_empty_rest_of_line ();
2966 #ifdef md_elf_section_change_hook
2967 md_elf_section_change_hook ();
2972 s_even (int ignore ATTRIBUTE_UNUSED)
2974 /* Never make frag if expect extra pass. */
2976 frag_align (1, 0, 0);
2978 record_alignment (now_seg, 1);
2980 demand_empty_rest_of_line ();
2983 /* Directives: Literal pools. */
2985 static literal_pool *
2986 find_literal_pool (void)
2988 literal_pool * pool;
2990 for (pool = list_of_pools; pool != NULL; pool = pool->next)
2992 if (pool->section == now_seg
2993 && pool->sub_section == now_subseg)
3000 static literal_pool *
3001 find_or_make_literal_pool (void)
3003 /* Next literal pool ID number. */
3004 static unsigned int latest_pool_num = 1;
3005 literal_pool * pool;
3007 pool = find_literal_pool ();
3011 /* Create a new pool. */
3012 pool = (literal_pool *) xmalloc (sizeof (* pool));
3016 pool->next_free_entry = 0;
3017 pool->section = now_seg;
3018 pool->sub_section = now_subseg;
3019 pool->next = list_of_pools;
3020 pool->symbol = NULL;
3022 /* Add it to the list. */
3023 list_of_pools = pool;
3026 /* New pools, and emptied pools, will have a NULL symbol. */
3027 if (pool->symbol == NULL)
3029 pool->symbol = symbol_create (FAKE_LABEL_NAME, undefined_section,
3030 (valueT) 0, &zero_address_frag);
3031 pool->id = latest_pool_num ++;
3038 /* Add the literal in the global 'inst'
3039 structure to the relevant literal pool. */
3042 add_to_lit_pool (void)
3044 literal_pool * pool;
3047 pool = find_or_make_literal_pool ();
3049 /* Check if this literal value is already in the pool. */
3050 for (entry = 0; entry < pool->next_free_entry; entry ++)
3052 if ((pool->literals[entry].X_op == inst.reloc.exp.X_op)
3053 && (inst.reloc.exp.X_op == O_constant)
3054 && (pool->literals[entry].X_add_number
3055 == inst.reloc.exp.X_add_number)
3056 && (pool->literals[entry].X_unsigned
3057 == inst.reloc.exp.X_unsigned))
3060 if ((pool->literals[entry].X_op == inst.reloc.exp.X_op)
3061 && (inst.reloc.exp.X_op == O_symbol)
3062 && (pool->literals[entry].X_add_number
3063 == inst.reloc.exp.X_add_number)
3064 && (pool->literals[entry].X_add_symbol
3065 == inst.reloc.exp.X_add_symbol)
3066 && (pool->literals[entry].X_op_symbol
3067 == inst.reloc.exp.X_op_symbol))
3071 /* Do we need to create a new entry? */
3072 if (entry == pool->next_free_entry)
3074 if (entry >= MAX_LITERAL_POOL_SIZE)
3076 inst.error = _("literal pool overflow");
3080 pool->literals[entry] = inst.reloc.exp;
3082 /* PR ld/12974: Record the location of the first source line to reference
3083 this entry in the literal pool. If it turns out during linking that the
3084 symbol does not exist we will be able to give an accurate line number for
3085 the (first use of the) missing reference. */
3086 if (debug_type == DEBUG_DWARF2)
3087 dwarf2_where (pool->locs + entry);
3089 pool->next_free_entry += 1;
3092 inst.reloc.exp.X_op = O_symbol;
3093 inst.reloc.exp.X_add_number = ((int) entry) * 4;
3094 inst.reloc.exp.X_add_symbol = pool->symbol;
3099 /* Can't use symbol_new here, so have to create a symbol and then at
3100 a later date assign it a value. Thats what these functions do. */
3103 symbol_locate (symbolS * symbolP,
3104 const char * name, /* It is copied, the caller can modify. */
3105 segT segment, /* Segment identifier (SEG_<something>). */
3106 valueT valu, /* Symbol value. */
3107 fragS * frag) /* Associated fragment. */
3109 unsigned int name_length;
3110 char * preserved_copy_of_name;
3112 name_length = strlen (name) + 1; /* +1 for \0. */
3113 obstack_grow (¬es, name, name_length);
3114 preserved_copy_of_name = (char *) obstack_finish (¬es);
3116 #ifdef tc_canonicalize_symbol_name
3117 preserved_copy_of_name =
3118 tc_canonicalize_symbol_name (preserved_copy_of_name);
3121 S_SET_NAME (symbolP, preserved_copy_of_name);
3123 S_SET_SEGMENT (symbolP, segment);
3124 S_SET_VALUE (symbolP, valu);
3125 symbol_clear_list_pointers (symbolP);
3127 symbol_set_frag (symbolP, frag);
3129 /* Link to end of symbol chain. */
3131 extern int symbol_table_frozen;
3133 if (symbol_table_frozen)
3137 symbol_append (symbolP, symbol_lastP, & symbol_rootP, & symbol_lastP);
3139 obj_symbol_new_hook (symbolP);
3141 #ifdef tc_symbol_new_hook
3142 tc_symbol_new_hook (symbolP);
3146 verify_symbol_chain (symbol_rootP, symbol_lastP);
3147 #endif /* DEBUG_SYMS */
3152 s_ltorg (int ignored ATTRIBUTE_UNUSED)
3155 literal_pool * pool;
3158 pool = find_literal_pool ();
3160 || pool->symbol == NULL
3161 || pool->next_free_entry == 0)
3164 mapping_state (MAP_DATA);
3166 /* Align pool as you have word accesses.
3167 Only make a frag if we have to. */
3169 frag_align (2, 0, 0);
3171 record_alignment (now_seg, 2);
3173 sprintf (sym_name, "$$lit_\002%x", pool->id);
3175 symbol_locate (pool->symbol, sym_name, now_seg,
3176 (valueT) frag_now_fix (), frag_now);
3177 symbol_table_insert (pool->symbol);
3179 ARM_SET_THUMB (pool->symbol, thumb_mode);
3181 #if defined OBJ_COFF || defined OBJ_ELF
3182 ARM_SET_INTERWORK (pool->symbol, support_interwork);
3185 for (entry = 0; entry < pool->next_free_entry; entry ++)
3188 if (debug_type == DEBUG_DWARF2)
3189 dwarf2_gen_line_info (frag_now_fix (), pool->locs + entry);
3191 /* First output the expression in the instruction to the pool. */
3192 emit_expr (&(pool->literals[entry]), 4); /* .word */
3195 /* Mark the pool as empty. */
3196 pool->next_free_entry = 0;
3197 pool->symbol = NULL;
3201 /* Forward declarations for functions below, in the MD interface
3203 static void fix_new_arm (fragS *, int, short, expressionS *, int, int);
3204 static valueT create_unwind_entry (int);
3205 static void start_unwind_section (const segT, int);
3206 static void add_unwind_opcode (valueT, int);
3207 static void flush_pending_unwind (void);
3209 /* Directives: Data. */
3212 s_arm_elf_cons (int nbytes)
3216 #ifdef md_flush_pending_output
3217 md_flush_pending_output ();
3220 if (is_it_end_of_statement ())
3222 demand_empty_rest_of_line ();
3226 #ifdef md_cons_align
3227 md_cons_align (nbytes);
3230 mapping_state (MAP_DATA);
3234 char *base = input_line_pointer;
3238 if (exp.X_op != O_symbol)
3239 emit_expr (&exp, (unsigned int) nbytes);
3242 char *before_reloc = input_line_pointer;
3243 reloc = parse_reloc (&input_line_pointer);
3246 as_bad (_("unrecognized relocation suffix"));
3247 ignore_rest_of_line ();
3250 else if (reloc == BFD_RELOC_UNUSED)
3251 emit_expr (&exp, (unsigned int) nbytes);
3254 reloc_howto_type *howto = (reloc_howto_type *)
3255 bfd_reloc_type_lookup (stdoutput,
3256 (bfd_reloc_code_real_type) reloc);
3257 int size = bfd_get_reloc_size (howto);
3259 if (reloc == BFD_RELOC_ARM_PLT32)
3261 as_bad (_("(plt) is only valid on branch targets"));
3262 reloc = BFD_RELOC_UNUSED;
3267 as_bad (_("%s relocations do not fit in %d bytes"),
3268 howto->name, nbytes);
3271 /* We've parsed an expression stopping at O_symbol.
3272 But there may be more expression left now that we
3273 have parsed the relocation marker. Parse it again.
3274 XXX Surely there is a cleaner way to do this. */
3275 char *p = input_line_pointer;
3277 char *save_buf = (char *) alloca (input_line_pointer - base);
3278 memcpy (save_buf, base, input_line_pointer - base);
3279 memmove (base + (input_line_pointer - before_reloc),
3280 base, before_reloc - base);
3282 input_line_pointer = base + (input_line_pointer-before_reloc);
3284 memcpy (base, save_buf, p - base);
3286 offset = nbytes - size;
3287 p = frag_more ((int) nbytes);
3288 fix_new_exp (frag_now, p - frag_now->fr_literal + offset,
3289 size, &exp, 0, (enum bfd_reloc_code_real) reloc);
3294 while (*input_line_pointer++ == ',');
3296 /* Put terminator back into stream. */
3297 input_line_pointer --;
3298 demand_empty_rest_of_line ();
3301 /* Emit an expression containing a 32-bit thumb instruction.
3302 Implementation based on put_thumb32_insn. */
3305 emit_thumb32_expr (expressionS * exp)
3307 expressionS exp_high = *exp;
3309 exp_high.X_add_number = (unsigned long)exp_high.X_add_number >> 16;
3310 emit_expr (& exp_high, (unsigned int) THUMB_SIZE);
3311 exp->X_add_number &= 0xffff;
3312 emit_expr (exp, (unsigned int) THUMB_SIZE);
3315 /* Guess the instruction size based on the opcode. */
3318 thumb_insn_size (int opcode)
3320 if ((unsigned int) opcode < 0xe800u)
3322 else if ((unsigned int) opcode >= 0xe8000000u)
3329 emit_insn (expressionS *exp, int nbytes)
3333 if (exp->X_op == O_constant)
3338 size = thumb_insn_size (exp->X_add_number);
3342 if (size == 2 && (unsigned int)exp->X_add_number > 0xffffu)
3344 as_bad (_(".inst.n operand too big. "\
3345 "Use .inst.w instead"));
3350 if (now_it.state == AUTOMATIC_IT_BLOCK)
3351 set_it_insn_type_nonvoid (OUTSIDE_IT_INSN, 0);
3353 set_it_insn_type_nonvoid (NEUTRAL_IT_INSN, 0);
3355 if (thumb_mode && (size > THUMB_SIZE) && !target_big_endian)
3356 emit_thumb32_expr (exp);
3358 emit_expr (exp, (unsigned int) size);
3360 it_fsm_post_encode ();
3364 as_bad (_("cannot determine Thumb instruction size. " \
3365 "Use .inst.n/.inst.w instead"));
3368 as_bad (_("constant expression required"));
3373 /* Like s_arm_elf_cons but do not use md_cons_align and
3374 set the mapping state to MAP_ARM/MAP_THUMB. */
3377 s_arm_elf_inst (int nbytes)
3379 if (is_it_end_of_statement ())
3381 demand_empty_rest_of_line ();
3385 /* Calling mapping_state () here will not change ARM/THUMB,
3386 but will ensure not to be in DATA state. */
3389 mapping_state (MAP_THUMB);
3394 as_bad (_("width suffixes are invalid in ARM mode"));
3395 ignore_rest_of_line ();
3401 mapping_state (MAP_ARM);
3410 if (! emit_insn (& exp, nbytes))
3412 ignore_rest_of_line ();
3416 while (*input_line_pointer++ == ',');
3418 /* Put terminator back into stream. */
3419 input_line_pointer --;
3420 demand_empty_rest_of_line ();
3423 /* Parse a .rel31 directive. */
3426 s_arm_rel31 (int ignored ATTRIBUTE_UNUSED)
3433 if (*input_line_pointer == '1')
3434 highbit = 0x80000000;
3435 else if (*input_line_pointer != '0')
3436 as_bad (_("expected 0 or 1"));
3438 input_line_pointer++;
3439 if (*input_line_pointer != ',')
3440 as_bad (_("missing comma"));
3441 input_line_pointer++;
3443 #ifdef md_flush_pending_output
3444 md_flush_pending_output ();
3447 #ifdef md_cons_align
3451 mapping_state (MAP_DATA);
3456 md_number_to_chars (p, highbit, 4);
3457 fix_new_arm (frag_now, p - frag_now->fr_literal, 4, &exp, 1,
3458 BFD_RELOC_ARM_PREL31);
3460 demand_empty_rest_of_line ();
3463 /* Directives: AEABI stack-unwind tables. */
3465 /* Parse an unwind_fnstart directive. Simply records the current location. */
3468 s_arm_unwind_fnstart (int ignored ATTRIBUTE_UNUSED)
3470 demand_empty_rest_of_line ();
3471 if (unwind.proc_start)
3473 as_bad (_("duplicate .fnstart directive"));
3477 /* Mark the start of the function. */
3478 unwind.proc_start = expr_build_dot ();
3480 /* Reset the rest of the unwind info. */
3481 unwind.opcode_count = 0;
3482 unwind.table_entry = NULL;
3483 unwind.personality_routine = NULL;
3484 unwind.personality_index = -1;
3485 unwind.frame_size = 0;
3486 unwind.fp_offset = 0;
3487 unwind.fp_reg = REG_SP;
3489 unwind.sp_restored = 0;
3493 /* Parse a handlerdata directive. Creates the exception handling table entry
3494 for the function. */
3497 s_arm_unwind_handlerdata (int ignored ATTRIBUTE_UNUSED)
3499 demand_empty_rest_of_line ();
3500 if (!unwind.proc_start)
3501 as_bad (MISSING_FNSTART);
3503 if (unwind.table_entry)
3504 as_bad (_("duplicate .handlerdata directive"));
3506 create_unwind_entry (1);
3509 /* Parse an unwind_fnend directive. Generates the index table entry. */
3512 s_arm_unwind_fnend (int ignored ATTRIBUTE_UNUSED)
3517 unsigned int marked_pr_dependency;
3519 demand_empty_rest_of_line ();
3521 if (!unwind.proc_start)
3523 as_bad (_(".fnend directive without .fnstart"));
3527 /* Add eh table entry. */
3528 if (unwind.table_entry == NULL)
3529 val = create_unwind_entry (0);
3533 /* Add index table entry. This is two words. */
3534 start_unwind_section (unwind.saved_seg, 1);
3535 frag_align (2, 0, 0);
3536 record_alignment (now_seg, 2);
3538 ptr = frag_more (8);
3539 where = frag_now_fix () - 8;
3541 /* Self relative offset of the function start. */
3542 fix_new (frag_now, where, 4, unwind.proc_start, 0, 1,
3543 BFD_RELOC_ARM_PREL31);
3545 /* Indicate dependency on EHABI-defined personality routines to the
3546 linker, if it hasn't been done already. */
3547 marked_pr_dependency
3548 = seg_info (now_seg)->tc_segment_info_data.marked_pr_dependency;
3549 if (unwind.personality_index >= 0 && unwind.personality_index < 3
3550 && !(marked_pr_dependency & (1 << unwind.personality_index)))
3552 static const char *const name[] =
3554 "__aeabi_unwind_cpp_pr0",
3555 "__aeabi_unwind_cpp_pr1",
3556 "__aeabi_unwind_cpp_pr2"
3558 symbolS *pr = symbol_find_or_make (name[unwind.personality_index]);
3559 fix_new (frag_now, where, 0, pr, 0, 1, BFD_RELOC_NONE);
3560 seg_info (now_seg)->tc_segment_info_data.marked_pr_dependency
3561 |= 1 << unwind.personality_index;
3565 /* Inline exception table entry. */
3566 md_number_to_chars (ptr + 4, val, 4);
3568 /* Self relative offset of the table entry. */
3569 fix_new (frag_now, where + 4, 4, unwind.table_entry, 0, 1,
3570 BFD_RELOC_ARM_PREL31);
3572 /* Restore the original section. */
3573 subseg_set (unwind.saved_seg, unwind.saved_subseg);
3575 unwind.proc_start = NULL;
3579 /* Parse an unwind_cantunwind directive. */
3582 s_arm_unwind_cantunwind (int ignored ATTRIBUTE_UNUSED)
3584 demand_empty_rest_of_line ();
3585 if (!unwind.proc_start)
3586 as_bad (MISSING_FNSTART);
3588 if (unwind.personality_routine || unwind.personality_index != -1)
3589 as_bad (_("personality routine specified for cantunwind frame"));
3591 unwind.personality_index = -2;
3595 /* Parse a personalityindex directive. */
3598 s_arm_unwind_personalityindex (int ignored ATTRIBUTE_UNUSED)
3602 if (!unwind.proc_start)
3603 as_bad (MISSING_FNSTART);
3605 if (unwind.personality_routine || unwind.personality_index != -1)
3606 as_bad (_("duplicate .personalityindex directive"));
3610 if (exp.X_op != O_constant
3611 || exp.X_add_number < 0 || exp.X_add_number > 15)
3613 as_bad (_("bad personality routine number"));
3614 ignore_rest_of_line ();
3618 unwind.personality_index = exp.X_add_number;
3620 demand_empty_rest_of_line ();
3624 /* Parse a personality directive. */
3627 s_arm_unwind_personality (int ignored ATTRIBUTE_UNUSED)
3631 if (!unwind.proc_start)
3632 as_bad (MISSING_FNSTART);
3634 if (unwind.personality_routine || unwind.personality_index != -1)
3635 as_bad (_("duplicate .personality directive"));
3637 name = input_line_pointer;
3638 c = get_symbol_end ();
3639 p = input_line_pointer;
3640 unwind.personality_routine = symbol_find_or_make (name);
3642 demand_empty_rest_of_line ();
3646 /* Parse a directive saving core registers. */
3649 s_arm_unwind_save_core (void)
3655 range = parse_reg_list (&input_line_pointer);
3658 as_bad (_("expected register list"));
3659 ignore_rest_of_line ();
3663 demand_empty_rest_of_line ();
3665 /* Turn .unwind_movsp ip followed by .unwind_save {..., ip, ...}
3666 into .unwind_save {..., sp...}. We aren't bothered about the value of
3667 ip because it is clobbered by calls. */
3668 if (unwind.sp_restored && unwind.fp_reg == 12
3669 && (range & 0x3000) == 0x1000)
3671 unwind.opcode_count--;
3672 unwind.sp_restored = 0;
3673 range = (range | 0x2000) & ~0x1000;
3674 unwind.pending_offset = 0;
3680 /* See if we can use the short opcodes. These pop a block of up to 8
3681 registers starting with r4, plus maybe r14. */
3682 for (n = 0; n < 8; n++)
3684 /* Break at the first non-saved register. */
3685 if ((range & (1 << (n + 4))) == 0)
3688 /* See if there are any other bits set. */
3689 if (n == 0 || (range & (0xfff0 << n) & 0xbff0) != 0)
3691 /* Use the long form. */
3692 op = 0x8000 | ((range >> 4) & 0xfff);
3693 add_unwind_opcode (op, 2);
3697 /* Use the short form. */
3699 op = 0xa8; /* Pop r14. */
3701 op = 0xa0; /* Do not pop r14. */
3703 add_unwind_opcode (op, 1);
3710 op = 0xb100 | (range & 0xf);
3711 add_unwind_opcode (op, 2);
3714 /* Record the number of bytes pushed. */
3715 for (n = 0; n < 16; n++)
3717 if (range & (1 << n))
3718 unwind.frame_size += 4;
3723 /* Parse a directive saving FPA registers. */
3726 s_arm_unwind_save_fpa (int reg)
3732 /* Get Number of registers to transfer. */
3733 if (skip_past_comma (&input_line_pointer) != FAIL)
3736 exp.X_op = O_illegal;
3738 if (exp.X_op != O_constant)
3740 as_bad (_("expected , <constant>"));
3741 ignore_rest_of_line ();
3745 num_regs = exp.X_add_number;
3747 if (num_regs < 1 || num_regs > 4)
3749 as_bad (_("number of registers must be in the range [1:4]"));
3750 ignore_rest_of_line ();
3754 demand_empty_rest_of_line ();
3759 op = 0xb4 | (num_regs - 1);
3760 add_unwind_opcode (op, 1);
3765 op = 0xc800 | (reg << 4) | (num_regs - 1);
3766 add_unwind_opcode (op, 2);
3768 unwind.frame_size += num_regs * 12;
3772 /* Parse a directive saving VFP registers for ARMv6 and above. */
3775 s_arm_unwind_save_vfp_armv6 (void)
3780 int num_vfpv3_regs = 0;
3781 int num_regs_below_16;
3783 count = parse_vfp_reg_list (&input_line_pointer, &start, REGLIST_VFP_D);
3786 as_bad (_("expected register list"));
3787 ignore_rest_of_line ();
3791 demand_empty_rest_of_line ();
3793 /* We always generate FSTMD/FLDMD-style unwinding opcodes (rather
3794 than FSTMX/FLDMX-style ones). */
3796 /* Generate opcode for (VFPv3) registers numbered in the range 16 .. 31. */
3798 num_vfpv3_regs = count;
3799 else if (start + count > 16)
3800 num_vfpv3_regs = start + count - 16;
3802 if (num_vfpv3_regs > 0)
3804 int start_offset = start > 16 ? start - 16 : 0;
3805 op = 0xc800 | (start_offset << 4) | (num_vfpv3_regs - 1);
3806 add_unwind_opcode (op, 2);
3809 /* Generate opcode for registers numbered in the range 0 .. 15. */
3810 num_regs_below_16 = num_vfpv3_regs > 0 ? 16 - (int) start : count;
3811 gas_assert (num_regs_below_16 + num_vfpv3_regs == count);
3812 if (num_regs_below_16 > 0)
3814 op = 0xc900 | (start << 4) | (num_regs_below_16 - 1);
3815 add_unwind_opcode (op, 2);
3818 unwind.frame_size += count * 8;
3822 /* Parse a directive saving VFP registers for pre-ARMv6. */
3825 s_arm_unwind_save_vfp (void)
3831 count = parse_vfp_reg_list (&input_line_pointer, ®, REGLIST_VFP_D);
3834 as_bad (_("expected register list"));
3835 ignore_rest_of_line ();
3839 demand_empty_rest_of_line ();
3844 op = 0xb8 | (count - 1);
3845 add_unwind_opcode (op, 1);
3850 op = 0xb300 | (reg << 4) | (count - 1);
3851 add_unwind_opcode (op, 2);
3853 unwind.frame_size += count * 8 + 4;
3857 /* Parse a directive saving iWMMXt data registers. */
3860 s_arm_unwind_save_mmxwr (void)
3868 if (*input_line_pointer == '{')
3869 input_line_pointer++;
3873 reg = arm_reg_parse (&input_line_pointer, REG_TYPE_MMXWR);
3877 as_bad ("%s", _(reg_expected_msgs[REG_TYPE_MMXWR]));
3882 as_tsktsk (_("register list not in ascending order"));
3885 if (*input_line_pointer == '-')
3887 input_line_pointer++;
3888 hi_reg = arm_reg_parse (&input_line_pointer, REG_TYPE_MMXWR);
3891 as_bad ("%s", _(reg_expected_msgs[REG_TYPE_MMXWR]));
3894 else if (reg >= hi_reg)
3896 as_bad (_("bad register range"));
3899 for (; reg < hi_reg; reg++)
3903 while (skip_past_comma (&input_line_pointer) != FAIL);
3905 if (*input_line_pointer == '}')
3906 input_line_pointer++;
3908 demand_empty_rest_of_line ();
3910 /* Generate any deferred opcodes because we're going to be looking at
3912 flush_pending_unwind ();
3914 for (i = 0; i < 16; i++)
3916 if (mask & (1 << i))
3917 unwind.frame_size += 8;
3920 /* Attempt to combine with a previous opcode. We do this because gcc
3921 likes to output separate unwind directives for a single block of
3923 if (unwind.opcode_count > 0)
3925 i = unwind.opcodes[unwind.opcode_count - 1];
3926 if ((i & 0xf8) == 0xc0)
3929 /* Only merge if the blocks are contiguous. */
3932 if ((mask & 0xfe00) == (1 << 9))
3934 mask |= ((1 << (i + 11)) - 1) & 0xfc00;
3935 unwind.opcode_count--;
3938 else if (i == 6 && unwind.opcode_count >= 2)
3940 i = unwind.opcodes[unwind.opcode_count - 2];
3944 op = 0xffff << (reg - 1);
3946 && ((mask & op) == (1u << (reg - 1))))
3948 op = (1 << (reg + i + 1)) - 1;
3949 op &= ~((1 << reg) - 1);
3951 unwind.opcode_count -= 2;
3958 /* We want to generate opcodes in the order the registers have been
3959 saved, ie. descending order. */
3960 for (reg = 15; reg >= -1; reg--)
3962 /* Save registers in blocks. */
3964 || !(mask & (1 << reg)))
3966 /* We found an unsaved reg. Generate opcodes to save the
3973 op = 0xc0 | (hi_reg - 10);
3974 add_unwind_opcode (op, 1);
3979 op = 0xc600 | ((reg + 1) << 4) | ((hi_reg - reg) - 1);
3980 add_unwind_opcode (op, 2);
3989 ignore_rest_of_line ();
3993 s_arm_unwind_save_mmxwcg (void)
4000 if (*input_line_pointer == '{')
4001 input_line_pointer++;
4005 reg = arm_reg_parse (&input_line_pointer, REG_TYPE_MMXWCG);
4009 as_bad ("%s", _(reg_expected_msgs[REG_TYPE_MMXWCG]));
4015 as_tsktsk (_("register list not in ascending order"));
4018 if (*input_line_pointer == '-')
4020 input_line_pointer++;
4021 hi_reg = arm_reg_parse (&input_line_pointer, REG_TYPE_MMXWCG);
4024 as_bad ("%s", _(reg_expected_msgs[REG_TYPE_MMXWCG]));
4027 else if (reg >= hi_reg)
4029 as_bad (_("bad register range"));
4032 for (; reg < hi_reg; reg++)
4036 while (skip_past_comma (&input_line_pointer) != FAIL);
4038 if (*input_line_pointer == '}')
4039 input_line_pointer++;
4041 demand_empty_rest_of_line ();
4043 /* Generate any deferred opcodes because we're going to be looking at
4045 flush_pending_unwind ();
4047 for (reg = 0; reg < 16; reg++)
4049 if (mask & (1 << reg))
4050 unwind.frame_size += 4;
4053 add_unwind_opcode (op, 2);
4056 ignore_rest_of_line ();
4060 /* Parse an unwind_save directive.
4061 If the argument is non-zero, this is a .vsave directive. */
4064 s_arm_unwind_save (int arch_v6)
4067 struct reg_entry *reg;
4068 bfd_boolean had_brace = FALSE;
4070 if (!unwind.proc_start)
4071 as_bad (MISSING_FNSTART);
4073 /* Figure out what sort of save we have. */
4074 peek = input_line_pointer;
4082 reg = arm_reg_parse_multi (&peek);
4086 as_bad (_("register expected"));
4087 ignore_rest_of_line ();
4096 as_bad (_("FPA .unwind_save does not take a register list"));
4097 ignore_rest_of_line ();
4100 input_line_pointer = peek;
4101 s_arm_unwind_save_fpa (reg->number);
4104 case REG_TYPE_RN: s_arm_unwind_save_core (); return;
4107 s_arm_unwind_save_vfp_armv6 ();
4109 s_arm_unwind_save_vfp ();
4111 case REG_TYPE_MMXWR: s_arm_unwind_save_mmxwr (); return;
4112 case REG_TYPE_MMXWCG: s_arm_unwind_save_mmxwcg (); return;
4115 as_bad (_(".unwind_save does not support this kind of register"));
4116 ignore_rest_of_line ();
4121 /* Parse an unwind_movsp directive. */
4124 s_arm_unwind_movsp (int ignored ATTRIBUTE_UNUSED)
4130 if (!unwind.proc_start)
4131 as_bad (MISSING_FNSTART);
4133 reg = arm_reg_parse (&input_line_pointer, REG_TYPE_RN);
4136 as_bad ("%s", _(reg_expected_msgs[REG_TYPE_RN]));
4137 ignore_rest_of_line ();
4141 /* Optional constant. */
4142 if (skip_past_comma (&input_line_pointer) != FAIL)
4144 if (immediate_for_directive (&offset) == FAIL)
4150 demand_empty_rest_of_line ();
4152 if (reg == REG_SP || reg == REG_PC)
4154 as_bad (_("SP and PC not permitted in .unwind_movsp directive"));
4158 if (unwind.fp_reg != REG_SP)
4159 as_bad (_("unexpected .unwind_movsp directive"));
4161 /* Generate opcode to restore the value. */
4163 add_unwind_opcode (op, 1);
4165 /* Record the information for later. */
4166 unwind.fp_reg = reg;
4167 unwind.fp_offset = unwind.frame_size - offset;
4168 unwind.sp_restored = 1;
4171 /* Parse an unwind_pad directive. */
4174 s_arm_unwind_pad (int ignored ATTRIBUTE_UNUSED)
4178 if (!unwind.proc_start)
4179 as_bad (MISSING_FNSTART);
4181 if (immediate_for_directive (&offset) == FAIL)
4186 as_bad (_("stack increment must be multiple of 4"));
4187 ignore_rest_of_line ();
4191 /* Don't generate any opcodes, just record the details for later. */
4192 unwind.frame_size += offset;
4193 unwind.pending_offset += offset;
4195 demand_empty_rest_of_line ();
4198 /* Parse an unwind_setfp directive. */
4201 s_arm_unwind_setfp (int ignored ATTRIBUTE_UNUSED)
4207 if (!unwind.proc_start)
4208 as_bad (MISSING_FNSTART);
4210 fp_reg = arm_reg_parse (&input_line_pointer, REG_TYPE_RN);
4211 if (skip_past_comma (&input_line_pointer) == FAIL)
4214 sp_reg = arm_reg_parse (&input_line_pointer, REG_TYPE_RN);
4216 if (fp_reg == FAIL || sp_reg == FAIL)
4218 as_bad (_("expected <reg>, <reg>"));
4219 ignore_rest_of_line ();
4223 /* Optional constant. */
4224 if (skip_past_comma (&input_line_pointer) != FAIL)
4226 if (immediate_for_directive (&offset) == FAIL)
4232 demand_empty_rest_of_line ();
4234 if (sp_reg != REG_SP && sp_reg != unwind.fp_reg)
4236 as_bad (_("register must be either sp or set by a previous"
4237 "unwind_movsp directive"));
4241 /* Don't generate any opcodes, just record the information for later. */
4242 unwind.fp_reg = fp_reg;
4244 if (sp_reg == REG_SP)
4245 unwind.fp_offset = unwind.frame_size - offset;
4247 unwind.fp_offset -= offset;
4250 /* Parse an unwind_raw directive. */
4253 s_arm_unwind_raw (int ignored ATTRIBUTE_UNUSED)
4256 /* This is an arbitrary limit. */
4257 unsigned char op[16];
4260 if (!unwind.proc_start)
4261 as_bad (MISSING_FNSTART);
4264 if (exp.X_op == O_constant
4265 && skip_past_comma (&input_line_pointer) != FAIL)
4267 unwind.frame_size += exp.X_add_number;
4271 exp.X_op = O_illegal;
4273 if (exp.X_op != O_constant)
4275 as_bad (_("expected <offset>, <opcode>"));
4276 ignore_rest_of_line ();
4282 /* Parse the opcode. */
4287 as_bad (_("unwind opcode too long"));
4288 ignore_rest_of_line ();
4290 if (exp.X_op != O_constant || exp.X_add_number & ~0xff)
4292 as_bad (_("invalid unwind opcode"));
4293 ignore_rest_of_line ();
4296 op[count++] = exp.X_add_number;
4298 /* Parse the next byte. */
4299 if (skip_past_comma (&input_line_pointer) == FAIL)
4305 /* Add the opcode bytes in reverse order. */
4307 add_unwind_opcode (op[count], 1);
4309 demand_empty_rest_of_line ();
4313 /* Parse a .eabi_attribute directive. */
4316 s_arm_eabi_attribute (int ignored ATTRIBUTE_UNUSED)
4318 int tag = s_vendor_attribute (OBJ_ATTR_PROC);
4320 if (tag < NUM_KNOWN_OBJ_ATTRIBUTES)
4321 attributes_set_explicitly[tag] = 1;
4324 /* Emit a tls fix for the symbol. */
4327 s_arm_tls_descseq (int ignored ATTRIBUTE_UNUSED)
4331 #ifdef md_flush_pending_output
4332 md_flush_pending_output ();
4335 #ifdef md_cons_align
4339 /* Since we're just labelling the code, there's no need to define a
4342 p = obstack_next_free (&frchain_now->frch_obstack);
4343 fix_new_arm (frag_now, p - frag_now->fr_literal, 4, &exp, 0,
4344 thumb_mode ? BFD_RELOC_ARM_THM_TLS_DESCSEQ
4345 : BFD_RELOC_ARM_TLS_DESCSEQ);
4347 #endif /* OBJ_ELF */
4349 static void s_arm_arch (int);
4350 static void s_arm_object_arch (int);
4351 static void s_arm_cpu (int);
4352 static void s_arm_fpu (int);
4353 static void s_arm_arch_extension (int);
4358 pe_directive_secrel (int dummy ATTRIBUTE_UNUSED)
4365 if (exp.X_op == O_symbol)
4366 exp.X_op = O_secrel;
4368 emit_expr (&exp, 4);
4370 while (*input_line_pointer++ == ',');
4372 input_line_pointer--;
4373 demand_empty_rest_of_line ();
4377 /* This table describes all the machine specific pseudo-ops the assembler
4378 has to support. The fields are:
4379 pseudo-op name without dot
4380 function to call to execute this pseudo-op
4381 Integer arg to pass to the function. */
4383 const pseudo_typeS md_pseudo_table[] =
4385 /* Never called because '.req' does not start a line. */
4386 { "req", s_req, 0 },
4387 /* Following two are likewise never called. */
4390 { "unreq", s_unreq, 0 },
4391 { "bss", s_bss, 0 },
4392 { "align", s_align, 0 },
4393 { "arm", s_arm, 0 },
4394 { "thumb", s_thumb, 0 },
4395 { "code", s_code, 0 },
4396 { "force_thumb", s_force_thumb, 0 },
4397 { "thumb_func", s_thumb_func, 0 },
4398 { "thumb_set", s_thumb_set, 0 },
4399 { "even", s_even, 0 },
4400 { "ltorg", s_ltorg, 0 },
4401 { "pool", s_ltorg, 0 },
4402 { "syntax", s_syntax, 0 },
4403 { "cpu", s_arm_cpu, 0 },
4404 { "arch", s_arm_arch, 0 },
4405 { "object_arch", s_arm_object_arch, 0 },
4406 { "fpu", s_arm_fpu, 0 },
4407 { "arch_extension", s_arm_arch_extension, 0 },
4409 { "word", s_arm_elf_cons, 4 },
4410 { "long", s_arm_elf_cons, 4 },
4411 { "inst.n", s_arm_elf_inst, 2 },
4412 { "inst.w", s_arm_elf_inst, 4 },
4413 { "inst", s_arm_elf_inst, 0 },
4414 { "rel31", s_arm_rel31, 0 },
4415 { "fnstart", s_arm_unwind_fnstart, 0 },
4416 { "fnend", s_arm_unwind_fnend, 0 },
4417 { "cantunwind", s_arm_unwind_cantunwind, 0 },
4418 { "personality", s_arm_unwind_personality, 0 },
4419 { "personalityindex", s_arm_unwind_personalityindex, 0 },
4420 { "handlerdata", s_arm_unwind_handlerdata, 0 },
4421 { "save", s_arm_unwind_save, 0 },
4422 { "vsave", s_arm_unwind_save, 1 },
4423 { "movsp", s_arm_unwind_movsp, 0 },
4424 { "pad", s_arm_unwind_pad, 0 },
4425 { "setfp", s_arm_unwind_setfp, 0 },
4426 { "unwind_raw", s_arm_unwind_raw, 0 },
4427 { "eabi_attribute", s_arm_eabi_attribute, 0 },
4428 { "tlsdescseq", s_arm_tls_descseq, 0 },
4432 /* These are used for dwarf. */
4436 /* These are used for dwarf2. */
4437 { "file", (void (*) (int)) dwarf2_directive_file, 0 },
4438 { "loc", dwarf2_directive_loc, 0 },
4439 { "loc_mark_labels", dwarf2_directive_loc_mark_labels, 0 },
4441 { "extend", float_cons, 'x' },
4442 { "ldouble", float_cons, 'x' },
4443 { "packed", float_cons, 'p' },
4445 {"secrel32", pe_directive_secrel, 0},
4450 /* Parser functions used exclusively in instruction operands. */
4452 /* Generic immediate-value read function for use in insn parsing.
4453 STR points to the beginning of the immediate (the leading #);
4454 VAL receives the value; if the value is outside [MIN, MAX]
4455 issue an error. PREFIX_OPT is true if the immediate prefix is
4459 parse_immediate (char **str, int *val, int min, int max,
4460 bfd_boolean prefix_opt)
4463 my_get_expression (&exp, str, prefix_opt ? GE_OPT_PREFIX : GE_IMM_PREFIX);
4464 if (exp.X_op != O_constant)
4466 inst.error = _("constant expression required");
4470 if (exp.X_add_number < min || exp.X_add_number > max)
4472 inst.error = _("immediate value out of range");
4476 *val = exp.X_add_number;
4480 /* Less-generic immediate-value read function with the possibility of loading a
4481 big (64-bit) immediate, as required by Neon VMOV, VMVN and logic immediate
4482 instructions. Puts the result directly in inst.operands[i]. */
4485 parse_big_immediate (char **str, int i)
4490 my_get_expression (&exp, &ptr, GE_OPT_PREFIX_BIG);
4492 if (exp.X_op == O_constant)
4494 inst.operands[i].imm = exp.X_add_number & 0xffffffff;
4495 /* If we're on a 64-bit host, then a 64-bit number can be returned using
4496 O_constant. We have to be careful not to break compilation for
4497 32-bit X_add_number, though. */
4498 if ((exp.X_add_number & ~(offsetT)(0xffffffffU)) != 0)
4500 /* X >> 32 is illegal if sizeof (exp.X_add_number) == 4. */
4501 inst.operands[i].reg = ((exp.X_add_number >> 16) >> 16) & 0xffffffff;
4502 inst.operands[i].regisimm = 1;
4505 else if (exp.X_op == O_big
4506 && LITTLENUM_NUMBER_OF_BITS * exp.X_add_number > 32)
4508 unsigned parts = 32 / LITTLENUM_NUMBER_OF_BITS, j, idx = 0;
4510 /* Bignums have their least significant bits in
4511 generic_bignum[0]. Make sure we put 32 bits in imm and
4512 32 bits in reg, in a (hopefully) portable way. */
4513 gas_assert (parts != 0);
4515 /* Make sure that the number is not too big.
4516 PR 11972: Bignums can now be sign-extended to the
4517 size of a .octa so check that the out of range bits
4518 are all zero or all one. */
4519 if (LITTLENUM_NUMBER_OF_BITS * exp.X_add_number > 64)
4521 LITTLENUM_TYPE m = -1;
4523 if (generic_bignum[parts * 2] != 0
4524 && generic_bignum[parts * 2] != m)
4527 for (j = parts * 2 + 1; j < (unsigned) exp.X_add_number; j++)
4528 if (generic_bignum[j] != generic_bignum[j-1])
4532 inst.operands[i].imm = 0;
4533 for (j = 0; j < parts; j++, idx++)
4534 inst.operands[i].imm |= generic_bignum[idx]
4535 << (LITTLENUM_NUMBER_OF_BITS * j);
4536 inst.operands[i].reg = 0;
4537 for (j = 0; j < parts; j++, idx++)
4538 inst.operands[i].reg |= generic_bignum[idx]
4539 << (LITTLENUM_NUMBER_OF_BITS * j);
4540 inst.operands[i].regisimm = 1;
4550 /* Returns the pseudo-register number of an FPA immediate constant,
4551 or FAIL if there isn't a valid constant here. */
4554 parse_fpa_immediate (char ** str)
4556 LITTLENUM_TYPE words[MAX_LITTLENUMS];
4562 /* First try and match exact strings, this is to guarantee
4563 that some formats will work even for cross assembly. */
4565 for (i = 0; fp_const[i]; i++)
4567 if (strncmp (*str, fp_const[i], strlen (fp_const[i])) == 0)
4571 *str += strlen (fp_const[i]);
4572 if (is_end_of_line[(unsigned char) **str])
4578 /* Just because we didn't get a match doesn't mean that the constant
4579 isn't valid, just that it is in a format that we don't
4580 automatically recognize. Try parsing it with the standard
4581 expression routines. */
4583 memset (words, 0, MAX_LITTLENUMS * sizeof (LITTLENUM_TYPE));
4585 /* Look for a raw floating point number. */
4586 if ((save_in = atof_ieee (*str, 'x', words)) != NULL
4587 && is_end_of_line[(unsigned char) *save_in])
4589 for (i = 0; i < NUM_FLOAT_VALS; i++)
4591 for (j = 0; j < MAX_LITTLENUMS; j++)
4593 if (words[j] != fp_values[i][j])
4597 if (j == MAX_LITTLENUMS)
4605 /* Try and parse a more complex expression, this will probably fail
4606 unless the code uses a floating point prefix (eg "0f"). */
4607 save_in = input_line_pointer;
4608 input_line_pointer = *str;
4609 if (expression (&exp) == absolute_section
4610 && exp.X_op == O_big
4611 && exp.X_add_number < 0)
4613 /* FIXME: 5 = X_PRECISION, should be #define'd where we can use it.
4615 if (gen_to_words (words, 5, (long) 15) == 0)
4617 for (i = 0; i < NUM_FLOAT_VALS; i++)
4619 for (j = 0; j < MAX_LITTLENUMS; j++)
4621 if (words[j] != fp_values[i][j])
4625 if (j == MAX_LITTLENUMS)
4627 *str = input_line_pointer;
4628 input_line_pointer = save_in;
4635 *str = input_line_pointer;
4636 input_line_pointer = save_in;
4637 inst.error = _("invalid FPA immediate expression");
4641 /* Returns 1 if a number has "quarter-precision" float format
4642 0baBbbbbbc defgh000 00000000 00000000. */
4645 is_quarter_float (unsigned imm)
4647 int bs = (imm & 0x20000000) ? 0x3e000000 : 0x40000000;
4648 return (imm & 0x7ffff) == 0 && ((imm & 0x7e000000) ^ bs) == 0;
4651 /* Parse an 8-bit "quarter-precision" floating point number of the form:
4652 0baBbbbbbc defgh000 00000000 00000000.
4653 The zero and minus-zero cases need special handling, since they can't be
4654 encoded in the "quarter-precision" float format, but can nonetheless be
4655 loaded as integer constants. */
4658 parse_qfloat_immediate (char **ccp, int *immed)
4662 LITTLENUM_TYPE words[MAX_LITTLENUMS];
4663 int found_fpchar = 0;
4665 skip_past_char (&str, '#');
4667 /* We must not accidentally parse an integer as a floating-point number. Make
4668 sure that the value we parse is not an integer by checking for special
4669 characters '.' or 'e'.
4670 FIXME: This is a horrible hack, but doing better is tricky because type
4671 information isn't in a very usable state at parse time. */
4673 skip_whitespace (fpnum);
4675 if (strncmp (fpnum, "0x", 2) == 0)
4679 for (; *fpnum != '\0' && *fpnum != ' ' && *fpnum != '\n'; fpnum++)
4680 if (*fpnum == '.' || *fpnum == 'e' || *fpnum == 'E')
4690 if ((str = atof_ieee (str, 's', words)) != NULL)
4692 unsigned fpword = 0;
4695 /* Our FP word must be 32 bits (single-precision FP). */
4696 for (i = 0; i < 32 / LITTLENUM_NUMBER_OF_BITS; i++)
4698 fpword <<= LITTLENUM_NUMBER_OF_BITS;
4702 if (is_quarter_float (fpword) || (fpword & 0x7fffffff) == 0)
4715 /* Shift operands. */
4718 SHIFT_LSL, SHIFT_LSR, SHIFT_ASR, SHIFT_ROR, SHIFT_RRX
4721 struct asm_shift_name
4724 enum shift_kind kind;
4727 /* Third argument to parse_shift. */
4728 enum parse_shift_mode
4730 NO_SHIFT_RESTRICT, /* Any kind of shift is accepted. */
4731 SHIFT_IMMEDIATE, /* Shift operand must be an immediate. */
4732 SHIFT_LSL_OR_ASR_IMMEDIATE, /* Shift must be LSL or ASR immediate. */
4733 SHIFT_ASR_IMMEDIATE, /* Shift must be ASR immediate. */
4734 SHIFT_LSL_IMMEDIATE, /* Shift must be LSL immediate. */
4737 /* Parse a <shift> specifier on an ARM data processing instruction.
4738 This has three forms:
4740 (LSL|LSR|ASL|ASR|ROR) Rs
4741 (LSL|LSR|ASL|ASR|ROR) #imm
4744 Note that ASL is assimilated to LSL in the instruction encoding, and
4745 RRX to ROR #0 (which cannot be written as such). */
4748 parse_shift (char **str, int i, enum parse_shift_mode mode)
4750 const struct asm_shift_name *shift_name;
4751 enum shift_kind shift;
4756 for (p = *str; ISALPHA (*p); p++)
4761 inst.error = _("shift expression expected");
4765 shift_name = (const struct asm_shift_name *) hash_find_n (arm_shift_hsh, *str,
4768 if (shift_name == NULL)
4770 inst.error = _("shift expression expected");
4774 shift = shift_name->kind;
4778 case NO_SHIFT_RESTRICT:
4779 case SHIFT_IMMEDIATE: break;
4781 case SHIFT_LSL_OR_ASR_IMMEDIATE:
4782 if (shift != SHIFT_LSL && shift != SHIFT_ASR)
4784 inst.error = _("'LSL' or 'ASR' required");
4789 case SHIFT_LSL_IMMEDIATE:
4790 if (shift != SHIFT_LSL)
4792 inst.error = _("'LSL' required");
4797 case SHIFT_ASR_IMMEDIATE:
4798 if (shift != SHIFT_ASR)
4800 inst.error = _("'ASR' required");
4808 if (shift != SHIFT_RRX)
4810 /* Whitespace can appear here if the next thing is a bare digit. */
4811 skip_whitespace (p);
4813 if (mode == NO_SHIFT_RESTRICT
4814 && (reg = arm_reg_parse (&p, REG_TYPE_RN)) != FAIL)
4816 inst.operands[i].imm = reg;
4817 inst.operands[i].immisreg = 1;
4819 else if (my_get_expression (&inst.reloc.exp, &p, GE_IMM_PREFIX))
4822 inst.operands[i].shift_kind = shift;
4823 inst.operands[i].shifted = 1;
4828 /* Parse a <shifter_operand> for an ARM data processing instruction:
4831 #<immediate>, <rotate>
4835 where <shift> is defined by parse_shift above, and <rotate> is a
4836 multiple of 2 between 0 and 30. Validation of immediate operands
4837 is deferred to md_apply_fix. */
4840 parse_shifter_operand (char **str, int i)
4845 if ((value = arm_reg_parse (str, REG_TYPE_RN)) != FAIL)
4847 inst.operands[i].reg = value;
4848 inst.operands[i].isreg = 1;
4850 /* parse_shift will override this if appropriate */
4851 inst.reloc.exp.X_op = O_constant;
4852 inst.reloc.exp.X_add_number = 0;
4854 if (skip_past_comma (str) == FAIL)
4857 /* Shift operation on register. */
4858 return parse_shift (str, i, NO_SHIFT_RESTRICT);
4861 if (my_get_expression (&inst.reloc.exp, str, GE_IMM_PREFIX))
4864 if (skip_past_comma (str) == SUCCESS)
4866 /* #x, y -- ie explicit rotation by Y. */
4867 if (my_get_expression (&exp, str, GE_NO_PREFIX))
4870 if (exp.X_op != O_constant || inst.reloc.exp.X_op != O_constant)
4872 inst.error = _("constant expression expected");
4876 value = exp.X_add_number;
4877 if (value < 0 || value > 30 || value % 2 != 0)
4879 inst.error = _("invalid rotation");
4882 if (inst.reloc.exp.X_add_number < 0 || inst.reloc.exp.X_add_number > 255)
4884 inst.error = _("invalid constant");
4888 /* Encode as specified. */
4889 inst.operands[i].imm = inst.reloc.exp.X_add_number | value << 7;
4893 inst.reloc.type = BFD_RELOC_ARM_IMMEDIATE;
4894 inst.reloc.pc_rel = 0;
4898 /* Group relocation information. Each entry in the table contains the
4899 textual name of the relocation as may appear in assembler source
4900 and must end with a colon.
4901 Along with this textual name are the relocation codes to be used if
4902 the corresponding instruction is an ALU instruction (ADD or SUB only),
4903 an LDR, an LDRS, or an LDC. */
4905 struct group_reloc_table_entry
4916 /* Varieties of non-ALU group relocation. */
4923 static struct group_reloc_table_entry group_reloc_table[] =
4924 { /* Program counter relative: */
4926 BFD_RELOC_ARM_ALU_PC_G0_NC, /* ALU */
4931 BFD_RELOC_ARM_ALU_PC_G0, /* ALU */
4932 BFD_RELOC_ARM_LDR_PC_G0, /* LDR */
4933 BFD_RELOC_ARM_LDRS_PC_G0, /* LDRS */
4934 BFD_RELOC_ARM_LDC_PC_G0 }, /* LDC */
4936 BFD_RELOC_ARM_ALU_PC_G1_NC, /* ALU */
4941 BFD_RELOC_ARM_ALU_PC_G1, /* ALU */
4942 BFD_RELOC_ARM_LDR_PC_G1, /* LDR */
4943 BFD_RELOC_ARM_LDRS_PC_G1, /* LDRS */
4944 BFD_RELOC_ARM_LDC_PC_G1 }, /* LDC */
4946 BFD_RELOC_ARM_ALU_PC_G2, /* ALU */
4947 BFD_RELOC_ARM_LDR_PC_G2, /* LDR */
4948 BFD_RELOC_ARM_LDRS_PC_G2, /* LDRS */
4949 BFD_RELOC_ARM_LDC_PC_G2 }, /* LDC */
4950 /* Section base relative */
4952 BFD_RELOC_ARM_ALU_SB_G0_NC, /* ALU */
4957 BFD_RELOC_ARM_ALU_SB_G0, /* ALU */
4958 BFD_RELOC_ARM_LDR_SB_G0, /* LDR */
4959 BFD_RELOC_ARM_LDRS_SB_G0, /* LDRS */
4960 BFD_RELOC_ARM_LDC_SB_G0 }, /* LDC */
4962 BFD_RELOC_ARM_ALU_SB_G1_NC, /* ALU */
4967 BFD_RELOC_ARM_ALU_SB_G1, /* ALU */
4968 BFD_RELOC_ARM_LDR_SB_G1, /* LDR */
4969 BFD_RELOC_ARM_LDRS_SB_G1, /* LDRS */
4970 BFD_RELOC_ARM_LDC_SB_G1 }, /* LDC */
4972 BFD_RELOC_ARM_ALU_SB_G2, /* ALU */
4973 BFD_RELOC_ARM_LDR_SB_G2, /* LDR */
4974 BFD_RELOC_ARM_LDRS_SB_G2, /* LDRS */
4975 BFD_RELOC_ARM_LDC_SB_G2 } }; /* LDC */
4977 /* Given the address of a pointer pointing to the textual name of a group
4978 relocation as may appear in assembler source, attempt to find its details
4979 in group_reloc_table. The pointer will be updated to the character after
4980 the trailing colon. On failure, FAIL will be returned; SUCCESS
4981 otherwise. On success, *entry will be updated to point at the relevant
4982 group_reloc_table entry. */
4985 find_group_reloc_table_entry (char **str, struct group_reloc_table_entry **out)
4988 for (i = 0; i < ARRAY_SIZE (group_reloc_table); i++)
4990 int length = strlen (group_reloc_table[i].name);
4992 if (strncasecmp (group_reloc_table[i].name, *str, length) == 0
4993 && (*str)[length] == ':')
4995 *out = &group_reloc_table[i];
4996 *str += (length + 1);
5004 /* Parse a <shifter_operand> for an ARM data processing instruction
5005 (as for parse_shifter_operand) where group relocations are allowed:
5008 #<immediate>, <rotate>
5009 #:<group_reloc>:<expression>
5013 where <group_reloc> is one of the strings defined in group_reloc_table.
5014 The hashes are optional.
5016 Everything else is as for parse_shifter_operand. */
5018 static parse_operand_result
5019 parse_shifter_operand_group_reloc (char **str, int i)
5021 /* Determine if we have the sequence of characters #: or just :
5022 coming next. If we do, then we check for a group relocation.
5023 If we don't, punt the whole lot to parse_shifter_operand. */
5025 if (((*str)[0] == '#' && (*str)[1] == ':')
5026 || (*str)[0] == ':')
5028 struct group_reloc_table_entry *entry;
5030 if ((*str)[0] == '#')
5035 /* Try to parse a group relocation. Anything else is an error. */
5036 if (find_group_reloc_table_entry (str, &entry) == FAIL)
5038 inst.error = _("unknown group relocation");
5039 return PARSE_OPERAND_FAIL_NO_BACKTRACK;
5042 /* We now have the group relocation table entry corresponding to
5043 the name in the assembler source. Next, we parse the expression. */
5044 if (my_get_expression (&inst.reloc.exp, str, GE_NO_PREFIX))
5045 return PARSE_OPERAND_FAIL_NO_BACKTRACK;
5047 /* Record the relocation type (always the ALU variant here). */
5048 inst.reloc.type = (bfd_reloc_code_real_type) entry->alu_code;
5049 gas_assert (inst.reloc.type != 0);
5051 return PARSE_OPERAND_SUCCESS;
5054 return parse_shifter_operand (str, i) == SUCCESS
5055 ? PARSE_OPERAND_SUCCESS : PARSE_OPERAND_FAIL;
5057 /* Never reached. */
5060 /* Parse a Neon alignment expression. Information is written to
5061 inst.operands[i]. We assume the initial ':' has been skipped.
5063 align .imm = align << 8, .immisalign=1, .preind=0 */
5064 static parse_operand_result
5065 parse_neon_alignment (char **str, int i)
5070 my_get_expression (&exp, &p, GE_NO_PREFIX);
5072 if (exp.X_op != O_constant)
5074 inst.error = _("alignment must be constant");
5075 return PARSE_OPERAND_FAIL;
5078 inst.operands[i].imm = exp.X_add_number << 8;
5079 inst.operands[i].immisalign = 1;
5080 /* Alignments are not pre-indexes. */
5081 inst.operands[i].preind = 0;
5084 return PARSE_OPERAND_SUCCESS;
5087 /* Parse all forms of an ARM address expression. Information is written
5088 to inst.operands[i] and/or inst.reloc.
5090 Preindexed addressing (.preind=1):
5092 [Rn, #offset] .reg=Rn .reloc.exp=offset
5093 [Rn, +/-Rm] .reg=Rn .imm=Rm .immisreg=1 .negative=0/1
5094 [Rn, +/-Rm, shift] .reg=Rn .imm=Rm .immisreg=1 .negative=0/1
5095 .shift_kind=shift .reloc.exp=shift_imm
5097 These three may have a trailing ! which causes .writeback to be set also.
5099 Postindexed addressing (.postind=1, .writeback=1):
5101 [Rn], #offset .reg=Rn .reloc.exp=offset
5102 [Rn], +/-Rm .reg=Rn .imm=Rm .immisreg=1 .negative=0/1
5103 [Rn], +/-Rm, shift .reg=Rn .imm=Rm .immisreg=1 .negative=0/1
5104 .shift_kind=shift .reloc.exp=shift_imm
5106 Unindexed addressing (.preind=0, .postind=0):
5108 [Rn], {option} .reg=Rn .imm=option .immisreg=0
5112 [Rn]{!} shorthand for [Rn,#0]{!}
5113 =immediate .isreg=0 .reloc.exp=immediate
5114 label .reg=PC .reloc.pc_rel=1 .reloc.exp=label
5116 It is the caller's responsibility to check for addressing modes not
5117 supported by the instruction, and to set inst.reloc.type. */
5119 static parse_operand_result
5120 parse_address_main (char **str, int i, int group_relocations,
5121 group_reloc_type group_type)
5126 if (skip_past_char (&p, '[') == FAIL)
5128 if (skip_past_char (&p, '=') == FAIL)
5130 /* Bare address - translate to PC-relative offset. */
5131 inst.reloc.pc_rel = 1;
5132 inst.operands[i].reg = REG_PC;
5133 inst.operands[i].isreg = 1;
5134 inst.operands[i].preind = 1;
5136 /* Otherwise a load-constant pseudo op, no special treatment needed here. */
5138 if (my_get_expression (&inst.reloc.exp, &p, GE_NO_PREFIX))
5139 return PARSE_OPERAND_FAIL;
5142 return PARSE_OPERAND_SUCCESS;
5145 if ((reg = arm_reg_parse (&p, REG_TYPE_RN)) == FAIL)
5147 inst.error = _(reg_expected_msgs[REG_TYPE_RN]);
5148 return PARSE_OPERAND_FAIL;
5150 inst.operands[i].reg = reg;
5151 inst.operands[i].isreg = 1;
5153 if (skip_past_comma (&p) == SUCCESS)
5155 inst.operands[i].preind = 1;
5158 else if (*p == '-') p++, inst.operands[i].negative = 1;
5160 if ((reg = arm_reg_parse (&p, REG_TYPE_RN)) != FAIL)
5162 inst.operands[i].imm = reg;
5163 inst.operands[i].immisreg = 1;
5165 if (skip_past_comma (&p) == SUCCESS)
5166 if (parse_shift (&p, i, SHIFT_IMMEDIATE) == FAIL)
5167 return PARSE_OPERAND_FAIL;
5169 else if (skip_past_char (&p, ':') == SUCCESS)
5171 /* FIXME: '@' should be used here, but it's filtered out by generic
5172 code before we get to see it here. This may be subject to
5174 parse_operand_result result = parse_neon_alignment (&p, i);
5176 if (result != PARSE_OPERAND_SUCCESS)
5181 if (inst.operands[i].negative)
5183 inst.operands[i].negative = 0;
5187 if (group_relocations
5188 && ((*p == '#' && *(p + 1) == ':') || *p == ':'))
5190 struct group_reloc_table_entry *entry;
5192 /* Skip over the #: or : sequence. */
5198 /* Try to parse a group relocation. Anything else is an
5200 if (find_group_reloc_table_entry (&p, &entry) == FAIL)
5202 inst.error = _("unknown group relocation");
5203 return PARSE_OPERAND_FAIL_NO_BACKTRACK;
5206 /* We now have the group relocation table entry corresponding to
5207 the name in the assembler source. Next, we parse the
5209 if (my_get_expression (&inst.reloc.exp, &p, GE_NO_PREFIX))
5210 return PARSE_OPERAND_FAIL_NO_BACKTRACK;
5212 /* Record the relocation type. */
5216 inst.reloc.type = (bfd_reloc_code_real_type) entry->ldr_code;
5220 inst.reloc.type = (bfd_reloc_code_real_type) entry->ldrs_code;
5224 inst.reloc.type = (bfd_reloc_code_real_type) entry->ldc_code;
5231 if (inst.reloc.type == 0)
5233 inst.error = _("this group relocation is not allowed on this instruction");
5234 return PARSE_OPERAND_FAIL_NO_BACKTRACK;
5240 if (my_get_expression (&inst.reloc.exp, &p, GE_IMM_PREFIX))
5241 return PARSE_OPERAND_FAIL;
5242 /* If the offset is 0, find out if it's a +0 or -0. */
5243 if (inst.reloc.exp.X_op == O_constant
5244 && inst.reloc.exp.X_add_number == 0)
5246 skip_whitespace (q);
5250 skip_whitespace (q);
5253 inst.operands[i].negative = 1;
5258 else if (skip_past_char (&p, ':') == SUCCESS)
5260 /* FIXME: '@' should be used here, but it's filtered out by generic code
5261 before we get to see it here. This may be subject to change. */
5262 parse_operand_result result = parse_neon_alignment (&p, i);
5264 if (result != PARSE_OPERAND_SUCCESS)
5268 if (skip_past_char (&p, ']') == FAIL)
5270 inst.error = _("']' expected");
5271 return PARSE_OPERAND_FAIL;
5274 if (skip_past_char (&p, '!') == SUCCESS)
5275 inst.operands[i].writeback = 1;
5277 else if (skip_past_comma (&p) == SUCCESS)
5279 if (skip_past_char (&p, '{') == SUCCESS)
5281 /* [Rn], {expr} - unindexed, with option */
5282 if (parse_immediate (&p, &inst.operands[i].imm,
5283 0, 255, TRUE) == FAIL)
5284 return PARSE_OPERAND_FAIL;
5286 if (skip_past_char (&p, '}') == FAIL)
5288 inst.error = _("'}' expected at end of 'option' field");
5289 return PARSE_OPERAND_FAIL;
5291 if (inst.operands[i].preind)
5293 inst.error = _("cannot combine index with option");
5294 return PARSE_OPERAND_FAIL;
5297 return PARSE_OPERAND_SUCCESS;
5301 inst.operands[i].postind = 1;
5302 inst.operands[i].writeback = 1;
5304 if (inst.operands[i].preind)
5306 inst.error = _("cannot combine pre- and post-indexing");
5307 return PARSE_OPERAND_FAIL;
5311 else if (*p == '-') p++, inst.operands[i].negative = 1;
5313 if ((reg = arm_reg_parse (&p, REG_TYPE_RN)) != FAIL)
5315 /* We might be using the immediate for alignment already. If we
5316 are, OR the register number into the low-order bits. */
5317 if (inst.operands[i].immisalign)
5318 inst.operands[i].imm |= reg;
5320 inst.operands[i].imm = reg;
5321 inst.operands[i].immisreg = 1;
5323 if (skip_past_comma (&p) == SUCCESS)
5324 if (parse_shift (&p, i, SHIFT_IMMEDIATE) == FAIL)
5325 return PARSE_OPERAND_FAIL;
5330 if (inst.operands[i].negative)
5332 inst.operands[i].negative = 0;
5335 if (my_get_expression (&inst.reloc.exp, &p, GE_IMM_PREFIX))
5336 return PARSE_OPERAND_FAIL;
5337 /* If the offset is 0, find out if it's a +0 or -0. */
5338 if (inst.reloc.exp.X_op == O_constant
5339 && inst.reloc.exp.X_add_number == 0)
5341 skip_whitespace (q);
5345 skip_whitespace (q);
5348 inst.operands[i].negative = 1;
5354 /* If at this point neither .preind nor .postind is set, we have a
5355 bare [Rn]{!}, which is shorthand for [Rn,#0]{!}. */
5356 if (inst.operands[i].preind == 0 && inst.operands[i].postind == 0)
5358 inst.operands[i].preind = 1;
5359 inst.reloc.exp.X_op = O_constant;
5360 inst.reloc.exp.X_add_number = 0;
5363 return PARSE_OPERAND_SUCCESS;
5367 parse_address (char **str, int i)
5369 return parse_address_main (str, i, 0, GROUP_LDR) == PARSE_OPERAND_SUCCESS
5373 static parse_operand_result
5374 parse_address_group_reloc (char **str, int i, group_reloc_type type)
5376 return parse_address_main (str, i, 1, type);
5379 /* Parse an operand for a MOVW or MOVT instruction. */
5381 parse_half (char **str)
5386 skip_past_char (&p, '#');
5387 if (strncasecmp (p, ":lower16:", 9) == 0)
5388 inst.reloc.type = BFD_RELOC_ARM_MOVW;
5389 else if (strncasecmp (p, ":upper16:", 9) == 0)
5390 inst.reloc.type = BFD_RELOC_ARM_MOVT;
5392 if (inst.reloc.type != BFD_RELOC_UNUSED)
5395 skip_whitespace (p);
5398 if (my_get_expression (&inst.reloc.exp, &p, GE_NO_PREFIX))
5401 if (inst.reloc.type == BFD_RELOC_UNUSED)
5403 if (inst.reloc.exp.X_op != O_constant)
5405 inst.error = _("constant expression expected");
5408 if (inst.reloc.exp.X_add_number < 0
5409 || inst.reloc.exp.X_add_number > 0xffff)
5411 inst.error = _("immediate value out of range");
5419 /* Miscellaneous. */
5421 /* Parse a PSR flag operand. The value returned is FAIL on syntax error,
5422 or a bitmask suitable to be or-ed into the ARM msr instruction. */
5424 parse_psr (char **str, bfd_boolean lhs)
5427 unsigned long psr_field;
5428 const struct asm_psr *psr;
5430 bfd_boolean is_apsr = FALSE;
5431 bfd_boolean m_profile = ARM_CPU_HAS_FEATURE (selected_cpu, arm_ext_m);
5433 /* PR gas/12698: If the user has specified -march=all then m_profile will
5434 be TRUE, but we want to ignore it in this case as we are building for any
5435 CPU type, including non-m variants. */
5436 if (selected_cpu.core == arm_arch_any.core)
5439 /* CPSR's and SPSR's can now be lowercase. This is just a convenience
5440 feature for ease of use and backwards compatibility. */
5442 if (strncasecmp (p, "SPSR", 4) == 0)
5445 goto unsupported_psr;
5447 psr_field = SPSR_BIT;
5449 else if (strncasecmp (p, "CPSR", 4) == 0)
5452 goto unsupported_psr;
5456 else if (strncasecmp (p, "APSR", 4) == 0)
5458 /* APSR[_<bits>] can be used as a synonym for CPSR[_<flags>] on ARMv7-A
5459 and ARMv7-R architecture CPUs. */
5468 while (ISALNUM (*p) || *p == '_');
5470 if (strncasecmp (start, "iapsr", 5) == 0
5471 || strncasecmp (start, "eapsr", 5) == 0
5472 || strncasecmp (start, "xpsr", 4) == 0
5473 || strncasecmp (start, "psr", 3) == 0)
5474 p = start + strcspn (start, "rR") + 1;
5476 psr = (const struct asm_psr *) hash_find_n (arm_v7m_psr_hsh, start,
5482 /* If APSR is being written, a bitfield may be specified. Note that
5483 APSR itself is handled above. */
5484 if (psr->field <= 3)
5486 psr_field = psr->field;
5492 /* M-profile MSR instructions have the mask field set to "10", except
5493 *PSR variants which modify APSR, which may use a different mask (and
5494 have been handled already). Do that by setting the PSR_f field
5496 return psr->field | (lhs ? PSR_f : 0);
5499 goto unsupported_psr;
5505 /* A suffix follows. */
5511 while (ISALNUM (*p) || *p == '_');
5515 /* APSR uses a notation for bits, rather than fields. */
5516 unsigned int nzcvq_bits = 0;
5517 unsigned int g_bit = 0;
5520 for (bit = start; bit != p; bit++)
5522 switch (TOLOWER (*bit))
5525 nzcvq_bits |= (nzcvq_bits & 0x01) ? 0x20 : 0x01;
5529 nzcvq_bits |= (nzcvq_bits & 0x02) ? 0x20 : 0x02;
5533 nzcvq_bits |= (nzcvq_bits & 0x04) ? 0x20 : 0x04;
5537 nzcvq_bits |= (nzcvq_bits & 0x08) ? 0x20 : 0x08;
5541 nzcvq_bits |= (nzcvq_bits & 0x10) ? 0x20 : 0x10;
5545 g_bit |= (g_bit & 0x1) ? 0x2 : 0x1;
5549 inst.error = _("unexpected bit specified after APSR");
5554 if (nzcvq_bits == 0x1f)
5559 if (!ARM_CPU_HAS_FEATURE (selected_cpu, arm_ext_v6_dsp))
5561 inst.error = _("selected processor does not "
5562 "support DSP extension");
5569 if ((nzcvq_bits & 0x20) != 0
5570 || (nzcvq_bits != 0x1f && nzcvq_bits != 0)
5571 || (g_bit & 0x2) != 0)
5573 inst.error = _("bad bitmask specified after APSR");
5579 psr = (const struct asm_psr *) hash_find_n (arm_psr_hsh, start,
5584 psr_field |= psr->field;
5590 goto error; /* Garbage after "[CS]PSR". */
5592 /* Unadorned APSR is equivalent to APSR_nzcvq/CPSR_f (for writes). This
5593 is deprecated, but allow it anyway. */
5597 as_tsktsk (_("writing to APSR without specifying a bitmask is "
5600 else if (!m_profile)
5601 /* These bits are never right for M-profile devices: don't set them
5602 (only code paths which read/write APSR reach here). */
5603 psr_field |= (PSR_c | PSR_f);
5609 inst.error = _("selected processor does not support requested special "
5610 "purpose register");
5614 inst.error = _("flag for {c}psr instruction expected");
5618 /* Parse the flags argument to CPSI[ED]. Returns FAIL on error, or a
5619 value suitable for splatting into the AIF field of the instruction. */
5622 parse_cps_flags (char **str)
5631 case '\0': case ',':
5634 case 'a': case 'A': saw_a_flag = 1; val |= 0x4; break;
5635 case 'i': case 'I': saw_a_flag = 1; val |= 0x2; break;
5636 case 'f': case 'F': saw_a_flag = 1; val |= 0x1; break;
5639 inst.error = _("unrecognized CPS flag");
5644 if (saw_a_flag == 0)
5646 inst.error = _("missing CPS flags");
5654 /* Parse an endian specifier ("BE" or "LE", case insensitive);
5655 returns 0 for big-endian, 1 for little-endian, FAIL for an error. */
5658 parse_endian_specifier (char **str)
5663 if (strncasecmp (s, "BE", 2))
5665 else if (strncasecmp (s, "LE", 2))
5669 inst.error = _("valid endian specifiers are be or le");
5673 if (ISALNUM (s[2]) || s[2] == '_')
5675 inst.error = _("valid endian specifiers are be or le");
5680 return little_endian;
5683 /* Parse a rotation specifier: ROR #0, #8, #16, #24. *val receives a
5684 value suitable for poking into the rotate field of an sxt or sxta
5685 instruction, or FAIL on error. */
5688 parse_ror (char **str)
5693 if (strncasecmp (s, "ROR", 3) == 0)
5697 inst.error = _("missing rotation field after comma");
5701 if (parse_immediate (&s, &rot, 0, 24, FALSE) == FAIL)
5706 case 0: *str = s; return 0x0;
5707 case 8: *str = s; return 0x1;
5708 case 16: *str = s; return 0x2;
5709 case 24: *str = s; return 0x3;
5712 inst.error = _("rotation can only be 0, 8, 16, or 24");
5717 /* Parse a conditional code (from conds[] below). The value returned is in the
5718 range 0 .. 14, or FAIL. */
5720 parse_cond (char **str)
5723 const struct asm_cond *c;
5725 /* Condition codes are always 2 characters, so matching up to
5726 3 characters is sufficient. */
5731 while (ISALPHA (*q) && n < 3)
5733 cond[n] = TOLOWER (*q);
5738 c = (const struct asm_cond *) hash_find_n (arm_cond_hsh, cond, n);
5741 inst.error = _("condition required");
5749 /* Parse an option for a barrier instruction. Returns the encoding for the
5752 parse_barrier (char **str)
5755 const struct asm_barrier_opt *o;
5758 while (ISALPHA (*q))
5761 o = (const struct asm_barrier_opt *) hash_find_n (arm_barrier_opt_hsh, p,
5770 /* Parse the operands of a table branch instruction. Similar to a memory
5773 parse_tb (char **str)
5778 if (skip_past_char (&p, '[') == FAIL)
5780 inst.error = _("'[' expected");
5784 if ((reg = arm_reg_parse (&p, REG_TYPE_RN)) == FAIL)
5786 inst.error = _(reg_expected_msgs[REG_TYPE_RN]);
5789 inst.operands[0].reg = reg;
5791 if (skip_past_comma (&p) == FAIL)
5793 inst.error = _("',' expected");
5797 if ((reg = arm_reg_parse (&p, REG_TYPE_RN)) == FAIL)
5799 inst.error = _(reg_expected_msgs[REG_TYPE_RN]);
5802 inst.operands[0].imm = reg;
5804 if (skip_past_comma (&p) == SUCCESS)
5806 if (parse_shift (&p, 0, SHIFT_LSL_IMMEDIATE) == FAIL)
5808 if (inst.reloc.exp.X_add_number != 1)
5810 inst.error = _("invalid shift");
5813 inst.operands[0].shifted = 1;
5816 if (skip_past_char (&p, ']') == FAIL)
5818 inst.error = _("']' expected");
5825 /* Parse the operands of a Neon VMOV instruction. See do_neon_mov for more
5826 information on the types the operands can take and how they are encoded.
5827 Up to four operands may be read; this function handles setting the
5828 ".present" field for each read operand itself.
5829 Updates STR and WHICH_OPERAND if parsing is successful and returns SUCCESS,
5830 else returns FAIL. */
5833 parse_neon_mov (char **str, int *which_operand)
5835 int i = *which_operand, val;
5836 enum arm_reg_type rtype;
5838 struct neon_type_el optype;
5840 if ((val = parse_scalar (&ptr, 8, &optype)) != FAIL)
5842 /* Case 4: VMOV<c><q>.<size> <Dn[x]>, <Rd>. */
5843 inst.operands[i].reg = val;
5844 inst.operands[i].isscalar = 1;
5845 inst.operands[i].vectype = optype;
5846 inst.operands[i++].present = 1;
5848 if (skip_past_comma (&ptr) == FAIL)
5851 if ((val = arm_reg_parse (&ptr, REG_TYPE_RN)) == FAIL)
5854 inst.operands[i].reg = val;
5855 inst.operands[i].isreg = 1;
5856 inst.operands[i].present = 1;
5858 else if ((val = arm_typed_reg_parse (&ptr, REG_TYPE_NSDQ, &rtype, &optype))
5861 /* Cases 0, 1, 2, 3, 5 (D only). */
5862 if (skip_past_comma (&ptr) == FAIL)
5865 inst.operands[i].reg = val;
5866 inst.operands[i].isreg = 1;
5867 inst.operands[i].isquad = (rtype == REG_TYPE_NQ);
5868 inst.operands[i].issingle = (rtype == REG_TYPE_VFS);
5869 inst.operands[i].isvec = 1;
5870 inst.operands[i].vectype = optype;
5871 inst.operands[i++].present = 1;
5873 if ((val = arm_reg_parse (&ptr, REG_TYPE_RN)) != FAIL)
5875 /* Case 5: VMOV<c><q> <Dm>, <Rd>, <Rn>.
5876 Case 13: VMOV <Sd>, <Rm> */
5877 inst.operands[i].reg = val;
5878 inst.operands[i].isreg = 1;
5879 inst.operands[i].present = 1;
5881 if (rtype == REG_TYPE_NQ)
5883 first_error (_("can't use Neon quad register here"));
5886 else if (rtype != REG_TYPE_VFS)
5889 if (skip_past_comma (&ptr) == FAIL)
5891 if ((val = arm_reg_parse (&ptr, REG_TYPE_RN)) == FAIL)
5893 inst.operands[i].reg = val;
5894 inst.operands[i].isreg = 1;
5895 inst.operands[i].present = 1;
5898 else if ((val = arm_typed_reg_parse (&ptr, REG_TYPE_NSDQ, &rtype,
5901 /* Case 0: VMOV<c><q> <Qd>, <Qm>
5902 Case 1: VMOV<c><q> <Dd>, <Dm>
5903 Case 8: VMOV.F32 <Sd>, <Sm>
5904 Case 15: VMOV <Sd>, <Se>, <Rn>, <Rm> */
5906 inst.operands[i].reg = val;
5907 inst.operands[i].isreg = 1;
5908 inst.operands[i].isquad = (rtype == REG_TYPE_NQ);
5909 inst.operands[i].issingle = (rtype == REG_TYPE_VFS);
5910 inst.operands[i].isvec = 1;
5911 inst.operands[i].vectype = optype;
5912 inst.operands[i].present = 1;
5914 if (skip_past_comma (&ptr) == SUCCESS)
5919 if ((val = arm_reg_parse (&ptr, REG_TYPE_RN)) == FAIL)
5922 inst.operands[i].reg = val;
5923 inst.operands[i].isreg = 1;
5924 inst.operands[i++].present = 1;
5926 if (skip_past_comma (&ptr) == FAIL)
5929 if ((val = arm_reg_parse (&ptr, REG_TYPE_RN)) == FAIL)
5932 inst.operands[i].reg = val;
5933 inst.operands[i].isreg = 1;
5934 inst.operands[i++].present = 1;
5937 else if (parse_qfloat_immediate (&ptr, &inst.operands[i].imm) == SUCCESS)
5938 /* Case 2: VMOV<c><q>.<dt> <Qd>, #<float-imm>
5939 Case 3: VMOV<c><q>.<dt> <Dd>, #<float-imm>
5940 Case 10: VMOV.F32 <Sd>, #<imm>
5941 Case 11: VMOV.F64 <Dd>, #<imm> */
5942 inst.operands[i].immisfloat = 1;
5943 else if (parse_big_immediate (&ptr, i) == SUCCESS)
5944 /* Case 2: VMOV<c><q>.<dt> <Qd>, #<imm>
5945 Case 3: VMOV<c><q>.<dt> <Dd>, #<imm> */
5949 first_error (_("expected <Rm> or <Dm> or <Qm> operand"));
5953 else if ((val = arm_reg_parse (&ptr, REG_TYPE_RN)) != FAIL)
5956 inst.operands[i].reg = val;
5957 inst.operands[i].isreg = 1;
5958 inst.operands[i++].present = 1;
5960 if (skip_past_comma (&ptr) == FAIL)
5963 if ((val = parse_scalar (&ptr, 8, &optype)) != FAIL)
5965 /* Case 6: VMOV<c><q>.<dt> <Rd>, <Dn[x]> */
5966 inst.operands[i].reg = val;
5967 inst.operands[i].isscalar = 1;
5968 inst.operands[i].present = 1;
5969 inst.operands[i].vectype = optype;
5971 else if ((val = arm_reg_parse (&ptr, REG_TYPE_RN)) != FAIL)
5973 /* Case 7: VMOV<c><q> <Rd>, <Rn>, <Dm> */
5974 inst.operands[i].reg = val;
5975 inst.operands[i].isreg = 1;
5976 inst.operands[i++].present = 1;
5978 if (skip_past_comma (&ptr) == FAIL)
5981 if ((val = arm_typed_reg_parse (&ptr, REG_TYPE_VFSD, &rtype, &optype))
5984 first_error (_(reg_expected_msgs[REG_TYPE_VFSD]));
5988 inst.operands[i].reg = val;
5989 inst.operands[i].isreg = 1;
5990 inst.operands[i].isvec = 1;
5991 inst.operands[i].issingle = (rtype == REG_TYPE_VFS);
5992 inst.operands[i].vectype = optype;
5993 inst.operands[i].present = 1;
5995 if (rtype == REG_TYPE_VFS)
5999 if (skip_past_comma (&ptr) == FAIL)
6001 if ((val = arm_typed_reg_parse (&ptr, REG_TYPE_VFS, NULL,
6004 first_error (_(reg_expected_msgs[REG_TYPE_VFS]));
6007 inst.operands[i].reg = val;
6008 inst.operands[i].isreg = 1;
6009 inst.operands[i].isvec = 1;
6010 inst.operands[i].issingle = 1;
6011 inst.operands[i].vectype = optype;
6012 inst.operands[i].present = 1;
6015 else if ((val = arm_typed_reg_parse (&ptr, REG_TYPE_VFS, NULL, &optype))
6019 inst.operands[i].reg = val;
6020 inst.operands[i].isreg = 1;
6021 inst.operands[i].isvec = 1;
6022 inst.operands[i].issingle = 1;
6023 inst.operands[i].vectype = optype;
6024 inst.operands[i++].present = 1;
6029 first_error (_("parse error"));
6033 /* Successfully parsed the operands. Update args. */
6039 first_error (_("expected comma"));
6043 first_error (_(reg_expected_msgs[REG_TYPE_RN]));
6047 /* Use this macro when the operand constraints are different
6048 for ARM and THUMB (e.g. ldrd). */
6049 #define MIX_ARM_THUMB_OPERANDS(arm_operand, thumb_operand) \
6050 ((arm_operand) | ((thumb_operand) << 16))
6052 /* Matcher codes for parse_operands. */
6053 enum operand_parse_code
6055 OP_stop, /* end of line */
6057 OP_RR, /* ARM register */
6058 OP_RRnpc, /* ARM register, not r15 */
6059 OP_RRnpcsp, /* ARM register, neither r15 nor r13 (a.k.a. 'BadReg') */
6060 OP_RRnpcb, /* ARM register, not r15, in square brackets */
6061 OP_RRnpctw, /* ARM register, not r15 in Thumb-state or with writeback,
6062 optional trailing ! */
6063 OP_RRw, /* ARM register, not r15, optional trailing ! */
6064 OP_RCP, /* Coprocessor number */
6065 OP_RCN, /* Coprocessor register */
6066 OP_RF, /* FPA register */
6067 OP_RVS, /* VFP single precision register */
6068 OP_RVD, /* VFP double precision register (0..15) */
6069 OP_RND, /* Neon double precision register (0..31) */
6070 OP_RNQ, /* Neon quad precision register */
6071 OP_RVSD, /* VFP single or double precision register */
6072 OP_RNDQ, /* Neon double or quad precision register */
6073 OP_RNSDQ, /* Neon single, double or quad precision register */
6074 OP_RNSC, /* Neon scalar D[X] */
6075 OP_RVC, /* VFP control register */
6076 OP_RMF, /* Maverick F register */
6077 OP_RMD, /* Maverick D register */
6078 OP_RMFX, /* Maverick FX register */
6079 OP_RMDX, /* Maverick DX register */
6080 OP_RMAX, /* Maverick AX register */
6081 OP_RMDS, /* Maverick DSPSC register */
6082 OP_RIWR, /* iWMMXt wR register */
6083 OP_RIWC, /* iWMMXt wC register */
6084 OP_RIWG, /* iWMMXt wCG register */
6085 OP_RXA, /* XScale accumulator register */
6087 OP_REGLST, /* ARM register list */
6088 OP_VRSLST, /* VFP single-precision register list */
6089 OP_VRDLST, /* VFP double-precision register list */
6090 OP_VRSDLST, /* VFP single or double-precision register list (& quad) */
6091 OP_NRDLST, /* Neon double-precision register list (d0-d31, qN aliases) */
6092 OP_NSTRLST, /* Neon element/structure list */
6094 OP_RNDQ_I0, /* Neon D or Q reg, or immediate zero. */
6095 OP_RVSD_I0, /* VFP S or D reg, or immediate zero. */
6096 OP_RR_RNSC, /* ARM reg or Neon scalar. */
6097 OP_RNSDQ_RNSC, /* Vector S, D or Q reg, or Neon scalar. */
6098 OP_RNDQ_RNSC, /* Neon D or Q reg, or Neon scalar. */
6099 OP_RND_RNSC, /* Neon D reg, or Neon scalar. */
6100 OP_VMOV, /* Neon VMOV operands. */
6101 OP_RNDQ_Ibig, /* Neon D or Q reg, or big immediate for logic and VMVN. */
6102 OP_RNDQ_I63b, /* Neon D or Q reg, or immediate for shift. */
6103 OP_RIWR_I32z, /* iWMMXt wR register, or immediate 0 .. 32 for iWMMXt2. */
6105 OP_I0, /* immediate zero */
6106 OP_I7, /* immediate value 0 .. 7 */
6107 OP_I15, /* 0 .. 15 */
6108 OP_I16, /* 1 .. 16 */
6109 OP_I16z, /* 0 .. 16 */
6110 OP_I31, /* 0 .. 31 */
6111 OP_I31w, /* 0 .. 31, optional trailing ! */
6112 OP_I32, /* 1 .. 32 */
6113 OP_I32z, /* 0 .. 32 */
6114 OP_I63, /* 0 .. 63 */
6115 OP_I63s, /* -64 .. 63 */
6116 OP_I64, /* 1 .. 64 */
6117 OP_I64z, /* 0 .. 64 */
6118 OP_I255, /* 0 .. 255 */
6120 OP_I4b, /* immediate, prefix optional, 1 .. 4 */
6121 OP_I7b, /* 0 .. 7 */
6122 OP_I15b, /* 0 .. 15 */
6123 OP_I31b, /* 0 .. 31 */
6125 OP_SH, /* shifter operand */
6126 OP_SHG, /* shifter operand with possible group relocation */
6127 OP_ADDR, /* Memory address expression (any mode) */
6128 OP_ADDRGLDR, /* Mem addr expr (any mode) with possible LDR group reloc */
6129 OP_ADDRGLDRS, /* Mem addr expr (any mode) with possible LDRS group reloc */
6130 OP_ADDRGLDC, /* Mem addr expr (any mode) with possible LDC group reloc */
6131 OP_EXP, /* arbitrary expression */
6132 OP_EXPi, /* same, with optional immediate prefix */
6133 OP_EXPr, /* same, with optional relocation suffix */
6134 OP_HALF, /* 0 .. 65535 or low/high reloc. */
6136 OP_CPSF, /* CPS flags */
6137 OP_ENDI, /* Endianness specifier */
6138 OP_wPSR, /* CPSR/SPSR/APSR mask for msr (writing). */
6139 OP_rPSR, /* CPSR/SPSR/APSR mask for msr (reading). */
6140 OP_COND, /* conditional code */
6141 OP_TB, /* Table branch. */
6143 OP_APSR_RR, /* ARM register or "APSR_nzcv". */
6145 OP_RRnpc_I0, /* ARM register or literal 0 */
6146 OP_RR_EXr, /* ARM register or expression with opt. reloc suff. */
6147 OP_RR_EXi, /* ARM register or expression with imm prefix */
6148 OP_RF_IF, /* FPA register or immediate */
6149 OP_RIWR_RIWC, /* iWMMXt R or C reg */
6150 OP_RIWC_RIWG, /* iWMMXt wC or wCG reg */
6152 /* Optional operands. */
6153 OP_oI7b, /* immediate, prefix optional, 0 .. 7 */
6154 OP_oI31b, /* 0 .. 31 */
6155 OP_oI32b, /* 1 .. 32 */
6156 OP_oI32z, /* 0 .. 32 */
6157 OP_oIffffb, /* 0 .. 65535 */
6158 OP_oI255c, /* curly-brace enclosed, 0 .. 255 */
6160 OP_oRR, /* ARM register */
6161 OP_oRRnpc, /* ARM register, not the PC */
6162 OP_oRRnpcsp, /* ARM register, neither the PC nor the SP (a.k.a. BadReg) */
6163 OP_oRRw, /* ARM register, not r15, optional trailing ! */
6164 OP_oRND, /* Optional Neon double precision register */
6165 OP_oRNQ, /* Optional Neon quad precision register */
6166 OP_oRNDQ, /* Optional Neon double or quad precision register */
6167 OP_oRNSDQ, /* Optional single, double or quad precision vector register */
6168 OP_oSHll, /* LSL immediate */
6169 OP_oSHar, /* ASR immediate */
6170 OP_oSHllar, /* LSL or ASR immediate */
6171 OP_oROR, /* ROR 0/8/16/24 */
6172 OP_oBARRIER_I15, /* Option argument for a barrier instruction. */
6174 /* Some pre-defined mixed (ARM/THUMB) operands. */
6175 OP_RR_npcsp = MIX_ARM_THUMB_OPERANDS (OP_RR, OP_RRnpcsp),
6176 OP_RRnpc_npcsp = MIX_ARM_THUMB_OPERANDS (OP_RRnpc, OP_RRnpcsp),
6177 OP_oRRnpc_npcsp = MIX_ARM_THUMB_OPERANDS (OP_oRRnpc, OP_oRRnpcsp),
6179 OP_FIRST_OPTIONAL = OP_oI7b
6182 /* Generic instruction operand parser. This does no encoding and no
6183 semantic validation; it merely squirrels values away in the inst
6184 structure. Returns SUCCESS or FAIL depending on whether the
6185 specified grammar matched. */
6187 parse_operands (char *str, const unsigned int *pattern, bfd_boolean thumb)
6189 unsigned const int *upat = pattern;
6190 char *backtrack_pos = 0;
6191 const char *backtrack_error = 0;
6192 int i, val, backtrack_index = 0;
6193 enum arm_reg_type rtype;
6194 parse_operand_result result;
6195 unsigned int op_parse_code;
6197 #define po_char_or_fail(chr) \
6200 if (skip_past_char (&str, chr) == FAIL) \
6205 #define po_reg_or_fail(regtype) \
6208 val = arm_typed_reg_parse (& str, regtype, & rtype, \
6209 & inst.operands[i].vectype); \
6212 first_error (_(reg_expected_msgs[regtype])); \
6215 inst.operands[i].reg = val; \
6216 inst.operands[i].isreg = 1; \
6217 inst.operands[i].isquad = (rtype == REG_TYPE_NQ); \
6218 inst.operands[i].issingle = (rtype == REG_TYPE_VFS); \
6219 inst.operands[i].isvec = (rtype == REG_TYPE_VFS \
6220 || rtype == REG_TYPE_VFD \
6221 || rtype == REG_TYPE_NQ); \
6225 #define po_reg_or_goto(regtype, label) \
6228 val = arm_typed_reg_parse (& str, regtype, & rtype, \
6229 & inst.operands[i].vectype); \
6233 inst.operands[i].reg = val; \
6234 inst.operands[i].isreg = 1; \
6235 inst.operands[i].isquad = (rtype == REG_TYPE_NQ); \
6236 inst.operands[i].issingle = (rtype == REG_TYPE_VFS); \
6237 inst.operands[i].isvec = (rtype == REG_TYPE_VFS \
6238 || rtype == REG_TYPE_VFD \
6239 || rtype == REG_TYPE_NQ); \
6243 #define po_imm_or_fail(min, max, popt) \
6246 if (parse_immediate (&str, &val, min, max, popt) == FAIL) \
6248 inst.operands[i].imm = val; \
6252 #define po_scalar_or_goto(elsz, label) \
6255 val = parse_scalar (& str, elsz, & inst.operands[i].vectype); \
6258 inst.operands[i].reg = val; \
6259 inst.operands[i].isscalar = 1; \
6263 #define po_misc_or_fail(expr) \
6271 #define po_misc_or_fail_no_backtrack(expr) \
6275 if (result == PARSE_OPERAND_FAIL_NO_BACKTRACK) \
6276 backtrack_pos = 0; \
6277 if (result != PARSE_OPERAND_SUCCESS) \
6282 #define po_barrier_or_imm(str) \
6285 val = parse_barrier (&str); \
6288 if (ISALPHA (*str)) \
6295 if ((inst.instruction & 0xf0) == 0x60 \
6298 /* ISB can only take SY as an option. */ \
6299 inst.error = _("invalid barrier type"); \
6306 skip_whitespace (str);
6308 for (i = 0; upat[i] != OP_stop; i++)
6310 op_parse_code = upat[i];
6311 if (op_parse_code >= 1<<16)
6312 op_parse_code = thumb ? (op_parse_code >> 16)
6313 : (op_parse_code & ((1<<16)-1));
6315 if (op_parse_code >= OP_FIRST_OPTIONAL)
6317 /* Remember where we are in case we need to backtrack. */
6318 gas_assert (!backtrack_pos);
6319 backtrack_pos = str;
6320 backtrack_error = inst.error;
6321 backtrack_index = i;
6324 if (i > 0 && (i > 1 || inst.operands[0].present))
6325 po_char_or_fail (',');
6327 switch (op_parse_code)
6335 case OP_RR: po_reg_or_fail (REG_TYPE_RN); break;
6336 case OP_RCP: po_reg_or_fail (REG_TYPE_CP); break;
6337 case OP_RCN: po_reg_or_fail (REG_TYPE_CN); break;
6338 case OP_RF: po_reg_or_fail (REG_TYPE_FN); break;
6339 case OP_RVS: po_reg_or_fail (REG_TYPE_VFS); break;
6340 case OP_RVD: po_reg_or_fail (REG_TYPE_VFD); break;
6342 case OP_RND: po_reg_or_fail (REG_TYPE_VFD); break;
6344 po_reg_or_goto (REG_TYPE_VFC, coproc_reg);
6346 /* Also accept generic coprocessor regs for unknown registers. */
6348 po_reg_or_fail (REG_TYPE_CN);
6350 case OP_RMF: po_reg_or_fail (REG_TYPE_MVF); break;
6351 case OP_RMD: po_reg_or_fail (REG_TYPE_MVD); break;
6352 case OP_RMFX: po_reg_or_fail (REG_TYPE_MVFX); break;
6353 case OP_RMDX: po_reg_or_fail (REG_TYPE_MVDX); break;
6354 case OP_RMAX: po_reg_or_fail (REG_TYPE_MVAX); break;
6355 case OP_RMDS: po_reg_or_fail (REG_TYPE_DSPSC); break;
6356 case OP_RIWR: po_reg_or_fail (REG_TYPE_MMXWR); break;
6357 case OP_RIWC: po_reg_or_fail (REG_TYPE_MMXWC); break;
6358 case OP_RIWG: po_reg_or_fail (REG_TYPE_MMXWCG); break;
6359 case OP_RXA: po_reg_or_fail (REG_TYPE_XSCALE); break;
6361 case OP_RNQ: po_reg_or_fail (REG_TYPE_NQ); break;
6363 case OP_RNDQ: po_reg_or_fail (REG_TYPE_NDQ); break;
6364 case OP_RVSD: po_reg_or_fail (REG_TYPE_VFSD); break;
6366 case OP_RNSDQ: po_reg_or_fail (REG_TYPE_NSDQ); break;
6368 /* Neon scalar. Using an element size of 8 means that some invalid
6369 scalars are accepted here, so deal with those in later code. */
6370 case OP_RNSC: po_scalar_or_goto (8, failure); break;
6374 po_reg_or_goto (REG_TYPE_NDQ, try_imm0);
6377 po_imm_or_fail (0, 0, TRUE);
6382 po_reg_or_goto (REG_TYPE_VFSD, try_imm0);
6387 po_scalar_or_goto (8, try_rr);
6390 po_reg_or_fail (REG_TYPE_RN);
6396 po_scalar_or_goto (8, try_nsdq);
6399 po_reg_or_fail (REG_TYPE_NSDQ);
6405 po_scalar_or_goto (8, try_ndq);
6408 po_reg_or_fail (REG_TYPE_NDQ);
6414 po_scalar_or_goto (8, try_vfd);
6417 po_reg_or_fail (REG_TYPE_VFD);
6422 /* WARNING: parse_neon_mov can move the operand counter, i. If we're
6423 not careful then bad things might happen. */
6424 po_misc_or_fail (parse_neon_mov (&str, &i) == FAIL);
6429 po_reg_or_goto (REG_TYPE_NDQ, try_immbig);
6432 /* There's a possibility of getting a 64-bit immediate here, so
6433 we need special handling. */
6434 if (parse_big_immediate (&str, i) == FAIL)
6436 inst.error = _("immediate value is out of range");
6444 po_reg_or_goto (REG_TYPE_NDQ, try_shimm);
6447 po_imm_or_fail (0, 63, TRUE);
6452 po_char_or_fail ('[');
6453 po_reg_or_fail (REG_TYPE_RN);
6454 po_char_or_fail (']');
6460 po_reg_or_fail (REG_TYPE_RN);
6461 if (skip_past_char (&str, '!') == SUCCESS)
6462 inst.operands[i].writeback = 1;
6466 case OP_I7: po_imm_or_fail ( 0, 7, FALSE); break;
6467 case OP_I15: po_imm_or_fail ( 0, 15, FALSE); break;
6468 case OP_I16: po_imm_or_fail ( 1, 16, FALSE); break;
6469 case OP_I16z: po_imm_or_fail ( 0, 16, FALSE); break;
6470 case OP_I31: po_imm_or_fail ( 0, 31, FALSE); break;
6471 case OP_I32: po_imm_or_fail ( 1, 32, FALSE); break;
6472 case OP_I32z: po_imm_or_fail ( 0, 32, FALSE); break;
6473 case OP_I63s: po_imm_or_fail (-64, 63, FALSE); break;
6474 case OP_I63: po_imm_or_fail ( 0, 63, FALSE); break;
6475 case OP_I64: po_imm_or_fail ( 1, 64, FALSE); break;
6476 case OP_I64z: po_imm_or_fail ( 0, 64, FALSE); break;
6477 case OP_I255: po_imm_or_fail ( 0, 255, FALSE); break;
6479 case OP_I4b: po_imm_or_fail ( 1, 4, TRUE); break;
6481 case OP_I7b: po_imm_or_fail ( 0, 7, TRUE); break;
6482 case OP_I15b: po_imm_or_fail ( 0, 15, TRUE); break;
6484 case OP_I31b: po_imm_or_fail ( 0, 31, TRUE); break;
6485 case OP_oI32b: po_imm_or_fail ( 1, 32, TRUE); break;
6486 case OP_oI32z: po_imm_or_fail ( 0, 32, TRUE); break;
6487 case OP_oIffffb: po_imm_or_fail ( 0, 0xffff, TRUE); break;
6489 /* Immediate variants */
6491 po_char_or_fail ('{');
6492 po_imm_or_fail (0, 255, TRUE);
6493 po_char_or_fail ('}');
6497 /* The expression parser chokes on a trailing !, so we have
6498 to find it first and zap it. */
6501 while (*s && *s != ',')
6506 inst.operands[i].writeback = 1;
6508 po_imm_or_fail (0, 31, TRUE);
6516 po_misc_or_fail (my_get_expression (&inst.reloc.exp, &str,
6521 po_misc_or_fail (my_get_expression (&inst.reloc.exp, &str,
6526 po_misc_or_fail (my_get_expression (&inst.reloc.exp, &str,
6528 if (inst.reloc.exp.X_op == O_symbol)
6530 val = parse_reloc (&str);
6533 inst.error = _("unrecognized relocation suffix");
6536 else if (val != BFD_RELOC_UNUSED)
6538 inst.operands[i].imm = val;
6539 inst.operands[i].hasreloc = 1;
6544 /* Operand for MOVW or MOVT. */
6546 po_misc_or_fail (parse_half (&str));
6549 /* Register or expression. */
6550 case OP_RR_EXr: po_reg_or_goto (REG_TYPE_RN, EXPr); break;
6551 case OP_RR_EXi: po_reg_or_goto (REG_TYPE_RN, EXPi); break;
6553 /* Register or immediate. */
6554 case OP_RRnpc_I0: po_reg_or_goto (REG_TYPE_RN, I0); break;
6555 I0: po_imm_or_fail (0, 0, FALSE); break;
6557 case OP_RF_IF: po_reg_or_goto (REG_TYPE_FN, IF); break;
6559 if (!is_immediate_prefix (*str))
6562 val = parse_fpa_immediate (&str);
6565 /* FPA immediates are encoded as registers 8-15.
6566 parse_fpa_immediate has already applied the offset. */
6567 inst.operands[i].reg = val;
6568 inst.operands[i].isreg = 1;
6571 case OP_RIWR_I32z: po_reg_or_goto (REG_TYPE_MMXWR, I32z); break;
6572 I32z: po_imm_or_fail (0, 32, FALSE); break;
6574 /* Two kinds of register. */
6577 struct reg_entry *rege = arm_reg_parse_multi (&str);
6579 || (rege->type != REG_TYPE_MMXWR
6580 && rege->type != REG_TYPE_MMXWC
6581 && rege->type != REG_TYPE_MMXWCG))
6583 inst.error = _("iWMMXt data or control register expected");
6586 inst.operands[i].reg = rege->number;
6587 inst.operands[i].isreg = (rege->type == REG_TYPE_MMXWR);
6593 struct reg_entry *rege = arm_reg_parse_multi (&str);
6595 || (rege->type != REG_TYPE_MMXWC
6596 && rege->type != REG_TYPE_MMXWCG))
6598 inst.error = _("iWMMXt control register expected");
6601 inst.operands[i].reg = rege->number;
6602 inst.operands[i].isreg = 1;
6607 case OP_CPSF: val = parse_cps_flags (&str); break;
6608 case OP_ENDI: val = parse_endian_specifier (&str); break;
6609 case OP_oROR: val = parse_ror (&str); break;
6610 case OP_COND: val = parse_cond (&str); break;
6611 case OP_oBARRIER_I15:
6612 po_barrier_or_imm (str); break;
6614 if (parse_immediate (&str, &val, 0, 15, TRUE) == FAIL)
6620 po_reg_or_goto (REG_TYPE_RNB, try_psr);
6621 if (!ARM_CPU_HAS_FEATURE (cpu_variant, arm_ext_virt))
6623 inst.error = _("Banked registers are not available with this "
6629 val = parse_psr (&str, op_parse_code == OP_wPSR);
6633 po_reg_or_goto (REG_TYPE_RN, try_apsr);
6636 /* Parse "APSR_nvzc" operand (for FMSTAT-equivalent MRS
6638 if (strncasecmp (str, "APSR_", 5) == 0)
6645 case 'c': found = (found & 1) ? 16 : found | 1; break;
6646 case 'n': found = (found & 2) ? 16 : found | 2; break;
6647 case 'z': found = (found & 4) ? 16 : found | 4; break;
6648 case 'v': found = (found & 8) ? 16 : found | 8; break;
6649 default: found = 16;
6653 inst.operands[i].isvec = 1;
6654 /* APSR_nzcv is encoded in instructions as if it were the REG_PC. */
6655 inst.operands[i].reg = REG_PC;
6662 po_misc_or_fail (parse_tb (&str));
6665 /* Register lists. */
6667 val = parse_reg_list (&str);
6670 inst.operands[1].writeback = 1;
6676 val = parse_vfp_reg_list (&str, &inst.operands[i].reg, REGLIST_VFP_S);
6680 val = parse_vfp_reg_list (&str, &inst.operands[i].reg, REGLIST_VFP_D);
6684 /* Allow Q registers too. */
6685 val = parse_vfp_reg_list (&str, &inst.operands[i].reg,
6690 val = parse_vfp_reg_list (&str, &inst.operands[i].reg,
6692 inst.operands[i].issingle = 1;
6697 val = parse_vfp_reg_list (&str, &inst.operands[i].reg,
6702 val = parse_neon_el_struct_list (&str, &inst.operands[i].reg,
6703 &inst.operands[i].vectype);
6706 /* Addressing modes */
6708 po_misc_or_fail (parse_address (&str, i));
6712 po_misc_or_fail_no_backtrack (
6713 parse_address_group_reloc (&str, i, GROUP_LDR));
6717 po_misc_or_fail_no_backtrack (
6718 parse_address_group_reloc (&str, i, GROUP_LDRS));
6722 po_misc_or_fail_no_backtrack (
6723 parse_address_group_reloc (&str, i, GROUP_LDC));
6727 po_misc_or_fail (parse_shifter_operand (&str, i));
6731 po_misc_or_fail_no_backtrack (
6732 parse_shifter_operand_group_reloc (&str, i));
6736 po_misc_or_fail (parse_shift (&str, i, SHIFT_LSL_IMMEDIATE));
6740 po_misc_or_fail (parse_shift (&str, i, SHIFT_ASR_IMMEDIATE));
6744 po_misc_or_fail (parse_shift (&str, i, SHIFT_LSL_OR_ASR_IMMEDIATE));
6748 as_fatal (_("unhandled operand code %d"), op_parse_code);
6751 /* Various value-based sanity checks and shared operations. We
6752 do not signal immediate failures for the register constraints;
6753 this allows a syntax error to take precedence. */
6754 switch (op_parse_code)
6762 if (inst.operands[i].isreg && inst.operands[i].reg == REG_PC)
6763 inst.error = BAD_PC;
6768 if (inst.operands[i].isreg)
6770 if (inst.operands[i].reg == REG_PC)
6771 inst.error = BAD_PC;
6772 else if (inst.operands[i].reg == REG_SP)
6773 inst.error = BAD_SP;
6778 if (inst.operands[i].isreg
6779 && inst.operands[i].reg == REG_PC
6780 && (inst.operands[i].writeback || thumb))
6781 inst.error = BAD_PC;
6790 case OP_oBARRIER_I15:
6799 inst.operands[i].imm = val;
6806 /* If we get here, this operand was successfully parsed. */
6807 inst.operands[i].present = 1;
6811 inst.error = BAD_ARGS;
6816 /* The parse routine should already have set inst.error, but set a
6817 default here just in case. */
6819 inst.error = _("syntax error");
6823 /* Do not backtrack over a trailing optional argument that
6824 absorbed some text. We will only fail again, with the
6825 'garbage following instruction' error message, which is
6826 probably less helpful than the current one. */
6827 if (backtrack_index == i && backtrack_pos != str
6828 && upat[i+1] == OP_stop)
6831 inst.error = _("syntax error");
6835 /* Try again, skipping the optional argument at backtrack_pos. */
6836 str = backtrack_pos;
6837 inst.error = backtrack_error;
6838 inst.operands[backtrack_index].present = 0;
6839 i = backtrack_index;
6843 /* Check that we have parsed all the arguments. */
6844 if (*str != '\0' && !inst.error)
6845 inst.error = _("garbage following instruction");
6847 return inst.error ? FAIL : SUCCESS;
6850 #undef po_char_or_fail
6851 #undef po_reg_or_fail
6852 #undef po_reg_or_goto
6853 #undef po_imm_or_fail
6854 #undef po_scalar_or_fail
6855 #undef po_barrier_or_imm
6857 /* Shorthand macro for instruction encoding functions issuing errors. */
6858 #define constraint(expr, err) \
6869 /* Reject "bad registers" for Thumb-2 instructions. Many Thumb-2
6870 instructions are unpredictable if these registers are used. This
6871 is the BadReg predicate in ARM's Thumb-2 documentation. */
6872 #define reject_bad_reg(reg) \
6874 if (reg == REG_SP || reg == REG_PC) \
6876 inst.error = (reg == REG_SP) ? BAD_SP : BAD_PC; \
6881 /* If REG is R13 (the stack pointer), warn that its use is
6883 #define warn_deprecated_sp(reg) \
6885 if (warn_on_deprecated && reg == REG_SP) \
6886 as_warn (_("use of r13 is deprecated")); \
6889 /* Functions for operand encoding. ARM, then Thumb. */
6891 #define rotate_left(v, n) (v << n | v >> (32 - n))
6893 /* If VAL can be encoded in the immediate field of an ARM instruction,
6894 return the encoded form. Otherwise, return FAIL. */
6897 encode_arm_immediate (unsigned int val)
6901 for (i = 0; i < 32; i += 2)
6902 if ((a = rotate_left (val, i)) <= 0xff)
6903 return a | (i << 7); /* 12-bit pack: [shift-cnt,const]. */
6908 /* If VAL can be encoded in the immediate field of a Thumb32 instruction,
6909 return the encoded form. Otherwise, return FAIL. */
6911 encode_thumb32_immediate (unsigned int val)
6918 for (i = 1; i <= 24; i++)
6921 if ((val & ~(0xff << i)) == 0)
6922 return ((val >> i) & 0x7f) | ((32 - i) << 7);
6926 if (val == ((a << 16) | a))
6928 if (val == ((a << 24) | (a << 16) | (a << 8) | a))
6932 if (val == ((a << 16) | a))
6933 return 0x200 | (a >> 8);
6937 /* Encode a VFP SP or DP register number into inst.instruction. */
6940 encode_arm_vfp_reg (int reg, enum vfp_reg_pos pos)
6942 if ((pos == VFP_REG_Dd || pos == VFP_REG_Dn || pos == VFP_REG_Dm)
6945 if (ARM_CPU_HAS_FEATURE (cpu_variant, fpu_vfp_ext_d32))
6948 ARM_MERGE_FEATURE_SETS (thumb_arch_used, thumb_arch_used,
6951 ARM_MERGE_FEATURE_SETS (arm_arch_used, arm_arch_used,
6956 first_error (_("D register out of range for selected VFP version"));
6964 inst.instruction |= ((reg >> 1) << 12) | ((reg & 1) << 22);
6968 inst.instruction |= ((reg >> 1) << 16) | ((reg & 1) << 7);
6972 inst.instruction |= ((reg >> 1) << 0) | ((reg & 1) << 5);
6976 inst.instruction |= ((reg & 15) << 12) | ((reg >> 4) << 22);
6980 inst.instruction |= ((reg & 15) << 16) | ((reg >> 4) << 7);
6984 inst.instruction |= (reg & 15) | ((reg >> 4) << 5);
6992 /* Encode a <shift> in an ARM-format instruction. The immediate,
6993 if any, is handled by md_apply_fix. */
6995 encode_arm_shift (int i)
6997 if (inst.operands[i].shift_kind == SHIFT_RRX)
6998 inst.instruction |= SHIFT_ROR << 5;
7001 inst.instruction |= inst.operands[i].shift_kind << 5;
7002 if (inst.operands[i].immisreg)
7004 inst.instruction |= SHIFT_BY_REG;
7005 inst.instruction |= inst.operands[i].imm << 8;
7008 inst.reloc.type = BFD_RELOC_ARM_SHIFT_IMM;
7013 encode_arm_shifter_operand (int i)
7015 if (inst.operands[i].isreg)
7017 inst.instruction |= inst.operands[i].reg;
7018 encode_arm_shift (i);
7022 inst.instruction |= INST_IMMEDIATE;
7023 if (inst.reloc.type != BFD_RELOC_ARM_IMMEDIATE)
7024 inst.instruction |= inst.operands[i].imm;
7028 /* Subroutine of encode_arm_addr_mode_2 and encode_arm_addr_mode_3. */
7030 encode_arm_addr_mode_common (int i, bfd_boolean is_t)
7032 gas_assert (inst.operands[i].isreg);
7033 inst.instruction |= inst.operands[i].reg << 16;
7035 if (inst.operands[i].preind)
7039 inst.error = _("instruction does not accept preindexed addressing");
7042 inst.instruction |= PRE_INDEX;
7043 if (inst.operands[i].writeback)
7044 inst.instruction |= WRITE_BACK;
7047 else if (inst.operands[i].postind)
7049 gas_assert (inst.operands[i].writeback);
7051 inst.instruction |= WRITE_BACK;
7053 else /* unindexed - only for coprocessor */
7055 inst.error = _("instruction does not accept unindexed addressing");
7059 if (((inst.instruction & WRITE_BACK) || !(inst.instruction & PRE_INDEX))
7060 && (((inst.instruction & 0x000f0000) >> 16)
7061 == ((inst.instruction & 0x0000f000) >> 12)))
7062 as_warn ((inst.instruction & LOAD_BIT)
7063 ? _("destination register same as write-back base")
7064 : _("source register same as write-back base"));
7067 /* inst.operands[i] was set up by parse_address. Encode it into an
7068 ARM-format mode 2 load or store instruction. If is_t is true,
7069 reject forms that cannot be used with a T instruction (i.e. not
7072 encode_arm_addr_mode_2 (int i, bfd_boolean is_t)
7074 const bfd_boolean is_pc = (inst.operands[i].reg == REG_PC);
7076 encode_arm_addr_mode_common (i, is_t);
7078 if (inst.operands[i].immisreg)
7080 constraint ((inst.operands[i].imm == REG_PC
7081 || (is_pc && inst.operands[i].writeback)),
7083 inst.instruction |= INST_IMMEDIATE; /* yes, this is backwards */
7084 inst.instruction |= inst.operands[i].imm;
7085 if (!inst.operands[i].negative)
7086 inst.instruction |= INDEX_UP;
7087 if (inst.operands[i].shifted)
7089 if (inst.operands[i].shift_kind == SHIFT_RRX)
7090 inst.instruction |= SHIFT_ROR << 5;
7093 inst.instruction |= inst.operands[i].shift_kind << 5;
7094 inst.reloc.type = BFD_RELOC_ARM_SHIFT_IMM;
7098 else /* immediate offset in inst.reloc */
7100 if (is_pc && !inst.reloc.pc_rel)
7102 const bfd_boolean is_load = ((inst.instruction & LOAD_BIT) != 0);
7104 /* If is_t is TRUE, it's called from do_ldstt. ldrt/strt
7105 cannot use PC in addressing.
7106 PC cannot be used in writeback addressing, either. */
7107 constraint ((is_t || inst.operands[i].writeback),
7110 /* Use of PC in str is deprecated for ARMv7. */
7111 if (warn_on_deprecated
7113 && ARM_CPU_HAS_FEATURE (selected_cpu, arm_ext_v7))
7114 as_warn (_("use of PC in this instruction is deprecated"));
7117 if (inst.reloc.type == BFD_RELOC_UNUSED)
7119 /* Prefer + for zero encoded value. */
7120 if (!inst.operands[i].negative)
7121 inst.instruction |= INDEX_UP;
7122 inst.reloc.type = BFD_RELOC_ARM_OFFSET_IMM;
7127 /* inst.operands[i] was set up by parse_address. Encode it into an
7128 ARM-format mode 3 load or store instruction. Reject forms that
7129 cannot be used with such instructions. If is_t is true, reject
7130 forms that cannot be used with a T instruction (i.e. not
7133 encode_arm_addr_mode_3 (int i, bfd_boolean is_t)
7135 if (inst.operands[i].immisreg && inst.operands[i].shifted)
7137 inst.error = _("instruction does not accept scaled register index");
7141 encode_arm_addr_mode_common (i, is_t);
7143 if (inst.operands[i].immisreg)
7145 constraint ((inst.operands[i].imm == REG_PC
7146 || inst.operands[i].reg == REG_PC),
7148 inst.instruction |= inst.operands[i].imm;
7149 if (!inst.operands[i].negative)
7150 inst.instruction |= INDEX_UP;
7152 else /* immediate offset in inst.reloc */
7154 constraint ((inst.operands[i].reg == REG_PC && !inst.reloc.pc_rel
7155 && inst.operands[i].writeback),
7157 inst.instruction |= HWOFFSET_IMM;
7158 if (inst.reloc.type == BFD_RELOC_UNUSED)
7160 /* Prefer + for zero encoded value. */
7161 if (!inst.operands[i].negative)
7162 inst.instruction |= INDEX_UP;
7164 inst.reloc.type = BFD_RELOC_ARM_OFFSET_IMM8;
7169 /* inst.operands[i] was set up by parse_address. Encode it into an
7170 ARM-format instruction. Reject all forms which cannot be encoded
7171 into a coprocessor load/store instruction. If wb_ok is false,
7172 reject use of writeback; if unind_ok is false, reject use of
7173 unindexed addressing. If reloc_override is not 0, use it instead
7174 of BFD_ARM_CP_OFF_IMM, unless the initial relocation is a group one
7175 (in which case it is preserved). */
7178 encode_arm_cp_address (int i, int wb_ok, int unind_ok, int reloc_override)
7180 inst.instruction |= inst.operands[i].reg << 16;
7182 gas_assert (!(inst.operands[i].preind && inst.operands[i].postind));
7184 if (!inst.operands[i].preind && !inst.operands[i].postind) /* unindexed */
7186 gas_assert (!inst.operands[i].writeback);
7189 inst.error = _("instruction does not support unindexed addressing");
7192 inst.instruction |= inst.operands[i].imm;
7193 inst.instruction |= INDEX_UP;
7197 if (inst.operands[i].preind)
7198 inst.instruction |= PRE_INDEX;
7200 if (inst.operands[i].writeback)
7202 if (inst.operands[i].reg == REG_PC)
7204 inst.error = _("pc may not be used with write-back");
7209 inst.error = _("instruction does not support writeback");
7212 inst.instruction |= WRITE_BACK;
7216 inst.reloc.type = (bfd_reloc_code_real_type) reloc_override;
7217 else if ((inst.reloc.type < BFD_RELOC_ARM_ALU_PC_G0_NC
7218 || inst.reloc.type > BFD_RELOC_ARM_LDC_SB_G2)
7219 && inst.reloc.type != BFD_RELOC_ARM_LDR_PC_G0)
7222 inst.reloc.type = BFD_RELOC_ARM_T32_CP_OFF_IMM;
7224 inst.reloc.type = BFD_RELOC_ARM_CP_OFF_IMM;
7227 /* Prefer + for zero encoded value. */
7228 if (!inst.operands[i].negative)
7229 inst.instruction |= INDEX_UP;
7234 /* inst.reloc.exp describes an "=expr" load pseudo-operation.
7235 Determine whether it can be performed with a move instruction; if
7236 it can, convert inst.instruction to that move instruction and
7237 return TRUE; if it can't, convert inst.instruction to a literal-pool
7238 load and return FALSE. If this is not a valid thing to do in the
7239 current context, set inst.error and return TRUE.
7241 inst.operands[i] describes the destination register. */
7244 move_or_literal_pool (int i, bfd_boolean thumb_p, bfd_boolean mode_3)
7249 tbit = (inst.instruction > 0xffff) ? THUMB2_LOAD_BIT : THUMB_LOAD_BIT;
7253 if ((inst.instruction & tbit) == 0)
7255 inst.error = _("invalid pseudo operation");
7258 if (inst.reloc.exp.X_op != O_constant && inst.reloc.exp.X_op != O_symbol)
7260 inst.error = _("constant expression expected");
7263 if (inst.reloc.exp.X_op == O_constant)
7267 if (!unified_syntax && (inst.reloc.exp.X_add_number & ~0xFF) == 0)
7269 /* This can be done with a mov(1) instruction. */
7270 inst.instruction = T_OPCODE_MOV_I8 | (inst.operands[i].reg << 8);
7271 inst.instruction |= inst.reloc.exp.X_add_number;
7277 int value = encode_arm_immediate (inst.reloc.exp.X_add_number);
7280 /* This can be done with a mov instruction. */
7281 inst.instruction &= LITERAL_MASK;
7282 inst.instruction |= INST_IMMEDIATE | (OPCODE_MOV << DATA_OP_SHIFT);
7283 inst.instruction |= value & 0xfff;
7287 value = encode_arm_immediate (~inst.reloc.exp.X_add_number);
7290 /* This can be done with a mvn instruction. */
7291 inst.instruction &= LITERAL_MASK;
7292 inst.instruction |= INST_IMMEDIATE | (OPCODE_MVN << DATA_OP_SHIFT);
7293 inst.instruction |= value & 0xfff;
7299 if (add_to_lit_pool () == FAIL)
7301 inst.error = _("literal pool insertion failed");
7304 inst.operands[1].reg = REG_PC;
7305 inst.operands[1].isreg = 1;
7306 inst.operands[1].preind = 1;
7307 inst.reloc.pc_rel = 1;
7308 inst.reloc.type = (thumb_p
7309 ? BFD_RELOC_ARM_THUMB_OFFSET
7311 ? BFD_RELOC_ARM_HWLITERAL
7312 : BFD_RELOC_ARM_LITERAL));
7316 /* Functions for instruction encoding, sorted by sub-architecture.
7317 First some generics; their names are taken from the conventional
7318 bit positions for register arguments in ARM format instructions. */
7328 inst.instruction |= inst.operands[0].reg << 12;
7334 inst.instruction |= inst.operands[0].reg << 12;
7335 inst.instruction |= inst.operands[1].reg;
7341 inst.instruction |= inst.operands[0].reg << 12;
7342 inst.instruction |= inst.operands[1].reg << 16;
7348 inst.instruction |= inst.operands[0].reg << 16;
7349 inst.instruction |= inst.operands[1].reg << 12;
7355 unsigned Rn = inst.operands[2].reg;
7356 /* Enforce restrictions on SWP instruction. */
7357 if ((inst.instruction & 0x0fbfffff) == 0x01000090)
7359 constraint (Rn == inst.operands[0].reg || Rn == inst.operands[1].reg,
7360 _("Rn must not overlap other operands"));
7362 /* SWP{b} is deprecated for ARMv6* and ARMv7. */
7363 if (warn_on_deprecated
7364 && ARM_CPU_HAS_FEATURE (selected_cpu, arm_ext_v6))
7365 as_warn (_("swp{b} use is deprecated for this architecture"));
7368 inst.instruction |= inst.operands[0].reg << 12;
7369 inst.instruction |= inst.operands[1].reg;
7370 inst.instruction |= Rn << 16;
7376 inst.instruction |= inst.operands[0].reg << 12;
7377 inst.instruction |= inst.operands[1].reg << 16;
7378 inst.instruction |= inst.operands[2].reg;
7384 constraint ((inst.operands[2].reg == REG_PC), BAD_PC);
7385 constraint (((inst.reloc.exp.X_op != O_constant
7386 && inst.reloc.exp.X_op != O_illegal)
7387 || inst.reloc.exp.X_add_number != 0),
7389 inst.instruction |= inst.operands[0].reg;
7390 inst.instruction |= inst.operands[1].reg << 12;
7391 inst.instruction |= inst.operands[2].reg << 16;
7397 inst.instruction |= inst.operands[0].imm;
7403 inst.instruction |= inst.operands[0].reg << 12;
7404 encode_arm_cp_address (1, TRUE, TRUE, 0);
7407 /* ARM instructions, in alphabetical order by function name (except
7408 that wrapper functions appear immediately after the function they
7411 /* This is a pseudo-op of the form "adr rd, label" to be converted
7412 into a relative address of the form "add rd, pc, #label-.-8". */
7417 inst.instruction |= (inst.operands[0].reg << 12); /* Rd */
7419 /* Frag hacking will turn this into a sub instruction if the offset turns
7420 out to be negative. */
7421 inst.reloc.type = BFD_RELOC_ARM_IMMEDIATE;
7422 inst.reloc.pc_rel = 1;
7423 inst.reloc.exp.X_add_number -= 8;
7426 /* This is a pseudo-op of the form "adrl rd, label" to be converted
7427 into a relative address of the form:
7428 add rd, pc, #low(label-.-8)"
7429 add rd, rd, #high(label-.-8)" */
7434 inst.instruction |= (inst.operands[0].reg << 12); /* Rd */
7436 /* Frag hacking will turn this into a sub instruction if the offset turns
7437 out to be negative. */
7438 inst.reloc.type = BFD_RELOC_ARM_ADRL_IMMEDIATE;
7439 inst.reloc.pc_rel = 1;
7440 inst.size = INSN_SIZE * 2;
7441 inst.reloc.exp.X_add_number -= 8;
7447 if (!inst.operands[1].present)
7448 inst.operands[1].reg = inst.operands[0].reg;
7449 inst.instruction |= inst.operands[0].reg << 12;
7450 inst.instruction |= inst.operands[1].reg << 16;
7451 encode_arm_shifter_operand (2);
7457 if (inst.operands[0].present)
7459 constraint ((inst.instruction & 0xf0) != 0x40
7460 && inst.operands[0].imm > 0xf
7461 && inst.operands[0].imm < 0x0,
7462 _("bad barrier type"));
7463 inst.instruction |= inst.operands[0].imm;
7466 inst.instruction |= 0xf;
7472 unsigned int msb = inst.operands[1].imm + inst.operands[2].imm;
7473 constraint (msb > 32, _("bit-field extends past end of register"));
7474 /* The instruction encoding stores the LSB and MSB,
7475 not the LSB and width. */
7476 inst.instruction |= inst.operands[0].reg << 12;
7477 inst.instruction |= inst.operands[1].imm << 7;
7478 inst.instruction |= (msb - 1) << 16;
7486 /* #0 in second position is alternative syntax for bfc, which is
7487 the same instruction but with REG_PC in the Rm field. */
7488 if (!inst.operands[1].isreg)
7489 inst.operands[1].reg = REG_PC;
7491 msb = inst.operands[2].imm + inst.operands[3].imm;
7492 constraint (msb > 32, _("bit-field extends past end of register"));
7493 /* The instruction encoding stores the LSB and MSB,
7494 not the LSB and width. */
7495 inst.instruction |= inst.operands[0].reg << 12;
7496 inst.instruction |= inst.operands[1].reg;
7497 inst.instruction |= inst.operands[2].imm << 7;
7498 inst.instruction |= (msb - 1) << 16;
7504 constraint (inst.operands[2].imm + inst.operands[3].imm > 32,
7505 _("bit-field extends past end of register"));
7506 inst.instruction |= inst.operands[0].reg << 12;
7507 inst.instruction |= inst.operands[1].reg;
7508 inst.instruction |= inst.operands[2].imm << 7;
7509 inst.instruction |= (inst.operands[3].imm - 1) << 16;
7512 /* ARM V5 breakpoint instruction (argument parse)
7513 BKPT <16 bit unsigned immediate>
7514 Instruction is not conditional.
7515 The bit pattern given in insns[] has the COND_ALWAYS condition,
7516 and it is an error if the caller tried to override that. */
7521 /* Top 12 of 16 bits to bits 19:8. */
7522 inst.instruction |= (inst.operands[0].imm & 0xfff0) << 4;
7524 /* Bottom 4 of 16 bits to bits 3:0. */
7525 inst.instruction |= inst.operands[0].imm & 0xf;
7529 encode_branch (int default_reloc)
7531 if (inst.operands[0].hasreloc)
7533 constraint (inst.operands[0].imm != BFD_RELOC_ARM_PLT32
7534 && inst.operands[0].imm != BFD_RELOC_ARM_TLS_CALL,
7535 _("the only valid suffixes here are '(plt)' and '(tlscall)'"));
7536 inst.reloc.type = inst.operands[0].imm == BFD_RELOC_ARM_PLT32
7537 ? BFD_RELOC_ARM_PLT32
7538 : thumb_mode ? BFD_RELOC_ARM_THM_TLS_CALL : BFD_RELOC_ARM_TLS_CALL;
7541 inst.reloc.type = (bfd_reloc_code_real_type) default_reloc;
7542 inst.reloc.pc_rel = 1;
7549 if (EF_ARM_EABI_VERSION (meabi_flags) >= EF_ARM_EABI_VER4)
7550 encode_branch (BFD_RELOC_ARM_PCREL_JUMP);
7553 encode_branch (BFD_RELOC_ARM_PCREL_BRANCH);
7560 if (EF_ARM_EABI_VERSION (meabi_flags) >= EF_ARM_EABI_VER4)
7562 if (inst.cond == COND_ALWAYS)
7563 encode_branch (BFD_RELOC_ARM_PCREL_CALL);
7565 encode_branch (BFD_RELOC_ARM_PCREL_JUMP);
7569 encode_branch (BFD_RELOC_ARM_PCREL_BRANCH);
7572 /* ARM V5 branch-link-exchange instruction (argument parse)
7573 BLX <target_addr> ie BLX(1)
7574 BLX{<condition>} <Rm> ie BLX(2)
7575 Unfortunately, there are two different opcodes for this mnemonic.
7576 So, the insns[].value is not used, and the code here zaps values
7577 into inst.instruction.
7578 Also, the <target_addr> can be 25 bits, hence has its own reloc. */
7583 if (inst.operands[0].isreg)
7585 /* Arg is a register; the opcode provided by insns[] is correct.
7586 It is not illegal to do "blx pc", just useless. */
7587 if (inst.operands[0].reg == REG_PC)
7588 as_tsktsk (_("use of r15 in blx in ARM mode is not really useful"));
7590 inst.instruction |= inst.operands[0].reg;
7594 /* Arg is an address; this instruction cannot be executed
7595 conditionally, and the opcode must be adjusted.
7596 We retain the BFD_RELOC_ARM_PCREL_BLX till the very end
7597 where we generate out a BFD_RELOC_ARM_PCREL_CALL instead. */
7598 constraint (inst.cond != COND_ALWAYS, BAD_COND);
7599 inst.instruction = 0xfa000000;
7600 encode_branch (BFD_RELOC_ARM_PCREL_BLX);
7607 bfd_boolean want_reloc;
7609 if (inst.operands[0].reg == REG_PC)
7610 as_tsktsk (_("use of r15 in bx in ARM mode is not really useful"));
7612 inst.instruction |= inst.operands[0].reg;
7613 /* Output R_ARM_V4BX relocations if is an EABI object that looks like
7614 it is for ARMv4t or earlier. */
7615 want_reloc = !ARM_CPU_HAS_FEATURE (selected_cpu, arm_ext_v5);
7616 if (object_arch && !ARM_CPU_HAS_FEATURE (*object_arch, arm_ext_v5))
7620 if (EF_ARM_EABI_VERSION (meabi_flags) < EF_ARM_EABI_VER4)
7625 inst.reloc.type = BFD_RELOC_ARM_V4BX;
7629 /* ARM v5TEJ. Jump to Jazelle code. */
7634 if (inst.operands[0].reg == REG_PC)
7635 as_tsktsk (_("use of r15 in bxj is not really useful"));
7637 inst.instruction |= inst.operands[0].reg;
7640 /* Co-processor data operation:
7641 CDP{cond} <coproc>, <opcode_1>, <CRd>, <CRn>, <CRm>{, <opcode_2>}
7642 CDP2 <coproc>, <opcode_1>, <CRd>, <CRn>, <CRm>{, <opcode_2>} */
7646 inst.instruction |= inst.operands[0].reg << 8;
7647 inst.instruction |= inst.operands[1].imm << 20;
7648 inst.instruction |= inst.operands[2].reg << 12;
7649 inst.instruction |= inst.operands[3].reg << 16;
7650 inst.instruction |= inst.operands[4].reg;
7651 inst.instruction |= inst.operands[5].imm << 5;
7657 inst.instruction |= inst.operands[0].reg << 16;
7658 encode_arm_shifter_operand (1);
7661 /* Transfer between coprocessor and ARM registers.
7662 MRC{cond} <coproc>, <opcode_1>, <Rd>, <CRn>, <CRm>{, <opcode_2>}
7667 No special properties. */
7674 Rd = inst.operands[2].reg;
7677 if (inst.instruction == 0xee000010
7678 || inst.instruction == 0xfe000010)
7680 reject_bad_reg (Rd);
7683 constraint (Rd == REG_SP, BAD_SP);
7688 if (inst.instruction == 0xe000010)
7689 constraint (Rd == REG_PC, BAD_PC);
7693 inst.instruction |= inst.operands[0].reg << 8;
7694 inst.instruction |= inst.operands[1].imm << 21;
7695 inst.instruction |= Rd << 12;
7696 inst.instruction |= inst.operands[3].reg << 16;
7697 inst.instruction |= inst.operands[4].reg;
7698 inst.instruction |= inst.operands[5].imm << 5;
7701 /* Transfer between coprocessor register and pair of ARM registers.
7702 MCRR{cond} <coproc>, <opcode>, <Rd>, <Rn>, <CRm>.
7707 Two XScale instructions are special cases of these:
7709 MAR{cond} acc0, <RdLo>, <RdHi> == MCRR{cond} p0, #0, <RdLo>, <RdHi>, c0
7710 MRA{cond} acc0, <RdLo>, <RdHi> == MRRC{cond} p0, #0, <RdLo>, <RdHi>, c0
7712 Result unpredictable if Rd or Rn is R15. */
7719 Rd = inst.operands[2].reg;
7720 Rn = inst.operands[3].reg;
7724 reject_bad_reg (Rd);
7725 reject_bad_reg (Rn);
7729 constraint (Rd == REG_PC, BAD_PC);
7730 constraint (Rn == REG_PC, BAD_PC);
7733 inst.instruction |= inst.operands[0].reg << 8;
7734 inst.instruction |= inst.operands[1].imm << 4;
7735 inst.instruction |= Rd << 12;
7736 inst.instruction |= Rn << 16;
7737 inst.instruction |= inst.operands[4].reg;
7743 inst.instruction |= inst.operands[0].imm << 6;
7744 if (inst.operands[1].present)
7746 inst.instruction |= CPSI_MMOD;
7747 inst.instruction |= inst.operands[1].imm;
7754 inst.instruction |= inst.operands[0].imm;
7760 unsigned Rd, Rn, Rm;
7762 Rd = inst.operands[0].reg;
7763 Rn = (inst.operands[1].present
7764 ? inst.operands[1].reg : Rd);
7765 Rm = inst.operands[2].reg;
7767 constraint ((Rd == REG_PC), BAD_PC);
7768 constraint ((Rn == REG_PC), BAD_PC);
7769 constraint ((Rm == REG_PC), BAD_PC);
7771 inst.instruction |= Rd << 16;
7772 inst.instruction |= Rn << 0;
7773 inst.instruction |= Rm << 8;
7779 /* There is no IT instruction in ARM mode. We
7780 process it to do the validation as if in
7781 thumb mode, just in case the code gets
7782 assembled for thumb using the unified syntax. */
7787 set_it_insn_type (IT_INSN);
7788 now_it.mask = (inst.instruction & 0xf) | 0x10;
7789 now_it.cc = inst.operands[0].imm;
7796 int base_reg = inst.operands[0].reg;
7797 int range = inst.operands[1].imm;
7799 inst.instruction |= base_reg << 16;
7800 inst.instruction |= range;
7802 if (inst.operands[1].writeback)
7803 inst.instruction |= LDM_TYPE_2_OR_3;
7805 if (inst.operands[0].writeback)
7807 inst.instruction |= WRITE_BACK;
7808 /* Check for unpredictable uses of writeback. */
7809 if (inst.instruction & LOAD_BIT)
7811 /* Not allowed in LDM type 2. */
7812 if ((inst.instruction & LDM_TYPE_2_OR_3)
7813 && ((range & (1 << REG_PC)) == 0))
7814 as_warn (_("writeback of base register is UNPREDICTABLE"));
7815 /* Only allowed if base reg not in list for other types. */
7816 else if (range & (1 << base_reg))
7817 as_warn (_("writeback of base register when in register list is UNPREDICTABLE"));
7821 /* Not allowed for type 2. */
7822 if (inst.instruction & LDM_TYPE_2_OR_3)
7823 as_warn (_("writeback of base register is UNPREDICTABLE"));
7824 /* Only allowed if base reg not in list, or first in list. */
7825 else if ((range & (1 << base_reg))
7826 && (range & ((1 << base_reg) - 1)))
7827 as_warn (_("if writeback register is in list, it must be the lowest reg in the list"));
7832 /* ARMv5TE load-consecutive (argument parse)
7841 constraint (inst.operands[0].reg % 2 != 0,
7842 _("first transfer register must be even"));
7843 constraint (inst.operands[1].present
7844 && inst.operands[1].reg != inst.operands[0].reg + 1,
7845 _("can only transfer two consecutive registers"));
7846 constraint (inst.operands[0].reg == REG_LR, _("r14 not allowed here"));
7847 constraint (!inst.operands[2].isreg, _("'[' expected"));
7849 if (!inst.operands[1].present)
7850 inst.operands[1].reg = inst.operands[0].reg + 1;
7852 /* encode_arm_addr_mode_3 will diagnose overlap between the base
7853 register and the first register written; we have to diagnose
7854 overlap between the base and the second register written here. */
7856 if (inst.operands[2].reg == inst.operands[1].reg
7857 && (inst.operands[2].writeback || inst.operands[2].postind))
7858 as_warn (_("base register written back, and overlaps "
7859 "second transfer register"));
7861 if (!(inst.instruction & V4_STR_BIT))
7863 /* For an index-register load, the index register must not overlap the
7864 destination (even if not write-back). */
7865 if (inst.operands[2].immisreg
7866 && ((unsigned) inst.operands[2].imm == inst.operands[0].reg
7867 || (unsigned) inst.operands[2].imm == inst.operands[1].reg))
7868 as_warn (_("index register overlaps transfer register"));
7870 inst.instruction |= inst.operands[0].reg << 12;
7871 encode_arm_addr_mode_3 (2, /*is_t=*/FALSE);
7877 constraint (!inst.operands[1].isreg || !inst.operands[1].preind
7878 || inst.operands[1].postind || inst.operands[1].writeback
7879 || inst.operands[1].immisreg || inst.operands[1].shifted
7880 || inst.operands[1].negative
7881 /* This can arise if the programmer has written
7883 or if they have mistakenly used a register name as the last
7886 It is very difficult to distinguish between these two cases
7887 because "rX" might actually be a label. ie the register
7888 name has been occluded by a symbol of the same name. So we
7889 just generate a general 'bad addressing mode' type error
7890 message and leave it up to the programmer to discover the
7891 true cause and fix their mistake. */
7892 || (inst.operands[1].reg == REG_PC),
7895 constraint (inst.reloc.exp.X_op != O_constant
7896 || inst.reloc.exp.X_add_number != 0,
7897 _("offset must be zero in ARM encoding"));
7899 constraint ((inst.operands[1].reg == REG_PC), BAD_PC);
7901 inst.instruction |= inst.operands[0].reg << 12;
7902 inst.instruction |= inst.operands[1].reg << 16;
7903 inst.reloc.type = BFD_RELOC_UNUSED;
7909 constraint (inst.operands[0].reg % 2 != 0,
7910 _("even register required"));
7911 constraint (inst.operands[1].present
7912 && inst.operands[1].reg != inst.operands[0].reg + 1,
7913 _("can only load two consecutive registers"));
7914 /* If op 1 were present and equal to PC, this function wouldn't
7915 have been called in the first place. */
7916 constraint (inst.operands[0].reg == REG_LR, _("r14 not allowed here"));
7918 inst.instruction |= inst.operands[0].reg << 12;
7919 inst.instruction |= inst.operands[2].reg << 16;
7922 /* In both ARM and thumb state 'ldr pc, #imm' with an immediate
7923 which is not a multiple of four is UNPREDICTABLE. */
7925 check_ldr_r15_aligned (void)
7927 constraint (!(inst.operands[1].immisreg)
7928 && (inst.operands[0].reg == REG_PC
7929 && inst.operands[1].reg == REG_PC
7930 && (inst.reloc.exp.X_add_number & 0x3)),
7931 _("ldr to register 15 must be 4-byte alligned"));
7937 inst.instruction |= inst.operands[0].reg << 12;
7938 if (!inst.operands[1].isreg)
7939 if (move_or_literal_pool (0, /*thumb_p=*/FALSE, /*mode_3=*/FALSE))
7941 encode_arm_addr_mode_2 (1, /*is_t=*/FALSE);
7942 check_ldr_r15_aligned ();
7948 /* ldrt/strt always use post-indexed addressing. Turn [Rn] into [Rn]! and
7950 if (inst.operands[1].preind)
7952 constraint (inst.reloc.exp.X_op != O_constant
7953 || inst.reloc.exp.X_add_number != 0,
7954 _("this instruction requires a post-indexed address"));
7956 inst.operands[1].preind = 0;
7957 inst.operands[1].postind = 1;
7958 inst.operands[1].writeback = 1;
7960 inst.instruction |= inst.operands[0].reg << 12;
7961 encode_arm_addr_mode_2 (1, /*is_t=*/TRUE);
7964 /* Halfword and signed-byte load/store operations. */
7969 constraint (inst.operands[0].reg == REG_PC, BAD_PC);
7970 inst.instruction |= inst.operands[0].reg << 12;
7971 if (!inst.operands[1].isreg)
7972 if (move_or_literal_pool (0, /*thumb_p=*/FALSE, /*mode_3=*/TRUE))
7974 encode_arm_addr_mode_3 (1, /*is_t=*/FALSE);
7980 /* ldrt/strt always use post-indexed addressing. Turn [Rn] into [Rn]! and
7982 if (inst.operands[1].preind)
7984 constraint (inst.reloc.exp.X_op != O_constant
7985 || inst.reloc.exp.X_add_number != 0,
7986 _("this instruction requires a post-indexed address"));
7988 inst.operands[1].preind = 0;
7989 inst.operands[1].postind = 1;
7990 inst.operands[1].writeback = 1;
7992 inst.instruction |= inst.operands[0].reg << 12;
7993 encode_arm_addr_mode_3 (1, /*is_t=*/TRUE);
7996 /* Co-processor register load/store.
7997 Format: <LDC|STC>{cond}[L] CP#,CRd,<address> */
8001 inst.instruction |= inst.operands[0].reg << 8;
8002 inst.instruction |= inst.operands[1].reg << 12;
8003 encode_arm_cp_address (2, TRUE, TRUE, 0);
8009 /* This restriction does not apply to mls (nor to mla in v6 or later). */
8010 if (inst.operands[0].reg == inst.operands[1].reg
8011 && !ARM_CPU_HAS_FEATURE (selected_cpu, arm_ext_v6)
8012 && !(inst.instruction & 0x00400000))
8013 as_tsktsk (_("Rd and Rm should be different in mla"));
8015 inst.instruction |= inst.operands[0].reg << 16;
8016 inst.instruction |= inst.operands[1].reg;
8017 inst.instruction |= inst.operands[2].reg << 8;
8018 inst.instruction |= inst.operands[3].reg << 12;
8024 inst.instruction |= inst.operands[0].reg << 12;
8025 encode_arm_shifter_operand (1);
8028 /* ARM V6T2 16-bit immediate register load: MOV[WT]{cond} Rd, #<imm16>. */
8035 top = (inst.instruction & 0x00400000) != 0;
8036 constraint (top && inst.reloc.type == BFD_RELOC_ARM_MOVW,
8037 _(":lower16: not allowed this instruction"));
8038 constraint (!top && inst.reloc.type == BFD_RELOC_ARM_MOVT,
8039 _(":upper16: not allowed instruction"));
8040 inst.instruction |= inst.operands[0].reg << 12;
8041 if (inst.reloc.type == BFD_RELOC_UNUSED)
8043 imm = inst.reloc.exp.X_add_number;
8044 /* The value is in two pieces: 0:11, 16:19. */
8045 inst.instruction |= (imm & 0x00000fff);
8046 inst.instruction |= (imm & 0x0000f000) << 4;
8050 static void do_vfp_nsyn_opcode (const char *);
8053 do_vfp_nsyn_mrs (void)
8055 if (inst.operands[0].isvec)
8057 if (inst.operands[1].reg != 1)
8058 first_error (_("operand 1 must be FPSCR"));
8059 memset (&inst.operands[0], '\0', sizeof (inst.operands[0]));
8060 memset (&inst.operands[1], '\0', sizeof (inst.operands[1]));
8061 do_vfp_nsyn_opcode ("fmstat");
8063 else if (inst.operands[1].isvec)
8064 do_vfp_nsyn_opcode ("fmrx");
8072 do_vfp_nsyn_msr (void)
8074 if (inst.operands[0].isvec)
8075 do_vfp_nsyn_opcode ("fmxr");
8085 unsigned Rt = inst.operands[0].reg;
8087 if (thumb_mode && inst.operands[0].reg == REG_SP)
8089 inst.error = BAD_SP;
8093 /* APSR_ sets isvec. All other refs to PC are illegal. */
8094 if (!inst.operands[0].isvec && inst.operands[0].reg == REG_PC)
8096 inst.error = BAD_PC;
8100 if (inst.operands[1].reg != 1)
8101 first_error (_("operand 1 must be FPSCR"));
8103 inst.instruction |= (Rt << 12);
8109 unsigned Rt = inst.operands[1].reg;
8112 reject_bad_reg (Rt);
8113 else if (Rt == REG_PC)
8115 inst.error = BAD_PC;
8119 if (inst.operands[0].reg != 1)
8120 first_error (_("operand 0 must be FPSCR"));
8122 inst.instruction |= (Rt << 12);
8130 if (do_vfp_nsyn_mrs () == SUCCESS)
8133 constraint (inst.operands[0].reg == REG_PC, BAD_PC);
8134 inst.instruction |= inst.operands[0].reg << 12;
8136 if (inst.operands[1].isreg)
8138 br = inst.operands[1].reg;
8139 if (((br & 0x200) == 0) && ((br & 0xf0000) != 0xf000))
8140 as_bad (_("bad register for mrs"));
8144 /* mrs only accepts CPSR/SPSR/CPSR_all/SPSR_all. */
8145 constraint ((inst.operands[1].imm & (PSR_c|PSR_x|PSR_s|PSR_f))
8147 _("'APSR', 'CPSR' or 'SPSR' expected"));
8148 br = (15<<16) | (inst.operands[1].imm & SPSR_BIT);
8151 inst.instruction |= br;
8154 /* Two possible forms:
8155 "{C|S}PSR_<field>, Rm",
8156 "{C|S}PSR_f, #expression". */
8161 if (do_vfp_nsyn_msr () == SUCCESS)
8164 inst.instruction |= inst.operands[0].imm;
8165 if (inst.operands[1].isreg)
8166 inst.instruction |= inst.operands[1].reg;
8169 inst.instruction |= INST_IMMEDIATE;
8170 inst.reloc.type = BFD_RELOC_ARM_IMMEDIATE;
8171 inst.reloc.pc_rel = 0;
8178 constraint (inst.operands[2].reg == REG_PC, BAD_PC);
8180 if (!inst.operands[2].present)
8181 inst.operands[2].reg = inst.operands[0].reg;
8182 inst.instruction |= inst.operands[0].reg << 16;
8183 inst.instruction |= inst.operands[1].reg;
8184 inst.instruction |= inst.operands[2].reg << 8;
8186 if (inst.operands[0].reg == inst.operands[1].reg
8187 && !ARM_CPU_HAS_FEATURE (selected_cpu, arm_ext_v6))
8188 as_tsktsk (_("Rd and Rm should be different in mul"));
8191 /* Long Multiply Parser
8192 UMULL RdLo, RdHi, Rm, Rs
8193 SMULL RdLo, RdHi, Rm, Rs
8194 UMLAL RdLo, RdHi, Rm, Rs
8195 SMLAL RdLo, RdHi, Rm, Rs. */
8200 inst.instruction |= inst.operands[0].reg << 12;
8201 inst.instruction |= inst.operands[1].reg << 16;
8202 inst.instruction |= inst.operands[2].reg;
8203 inst.instruction |= inst.operands[3].reg << 8;
8205 /* rdhi and rdlo must be different. */
8206 if (inst.operands[0].reg == inst.operands[1].reg)
8207 as_tsktsk (_("rdhi and rdlo must be different"));
8209 /* rdhi, rdlo and rm must all be different before armv6. */
8210 if ((inst.operands[0].reg == inst.operands[2].reg
8211 || inst.operands[1].reg == inst.operands[2].reg)
8212 && !ARM_CPU_HAS_FEATURE (selected_cpu, arm_ext_v6))
8213 as_tsktsk (_("rdhi, rdlo and rm must all be different"));
8219 if (inst.operands[0].present
8220 || ARM_CPU_HAS_FEATURE (selected_cpu, arm_ext_v6k))
8222 /* Architectural NOP hints are CPSR sets with no bits selected. */
8223 inst.instruction &= 0xf0000000;
8224 inst.instruction |= 0x0320f000;
8225 if (inst.operands[0].present)
8226 inst.instruction |= inst.operands[0].imm;
8230 /* ARM V6 Pack Halfword Bottom Top instruction (argument parse).
8231 PKHBT {<cond>} <Rd>, <Rn>, <Rm> {, LSL #<shift_imm>}
8232 Condition defaults to COND_ALWAYS.
8233 Error if Rd, Rn or Rm are R15. */
8238 inst.instruction |= inst.operands[0].reg << 12;
8239 inst.instruction |= inst.operands[1].reg << 16;
8240 inst.instruction |= inst.operands[2].reg;
8241 if (inst.operands[3].present)
8242 encode_arm_shift (3);
8245 /* ARM V6 PKHTB (Argument Parse). */
8250 if (!inst.operands[3].present)
8252 /* If the shift specifier is omitted, turn the instruction
8253 into pkhbt rd, rm, rn. */
8254 inst.instruction &= 0xfff00010;
8255 inst.instruction |= inst.operands[0].reg << 12;
8256 inst.instruction |= inst.operands[1].reg;
8257 inst.instruction |= inst.operands[2].reg << 16;
8261 inst.instruction |= inst.operands[0].reg << 12;
8262 inst.instruction |= inst.operands[1].reg << 16;
8263 inst.instruction |= inst.operands[2].reg;
8264 encode_arm_shift (3);
8268 /* ARMv5TE: Preload-Cache
8269 MP Extensions: Preload for write
8273 Syntactically, like LDR with B=1, W=0, L=1. */
8278 constraint (!inst.operands[0].isreg,
8279 _("'[' expected after PLD mnemonic"));
8280 constraint (inst.operands[0].postind,
8281 _("post-indexed expression used in preload instruction"));
8282 constraint (inst.operands[0].writeback,
8283 _("writeback used in preload instruction"));
8284 constraint (!inst.operands[0].preind,
8285 _("unindexed addressing used in preload instruction"));
8286 encode_arm_addr_mode_2 (0, /*is_t=*/FALSE);
8289 /* ARMv7: PLI <addr_mode> */
8293 constraint (!inst.operands[0].isreg,
8294 _("'[' expected after PLI mnemonic"));
8295 constraint (inst.operands[0].postind,
8296 _("post-indexed expression used in preload instruction"));
8297 constraint (inst.operands[0].writeback,
8298 _("writeback used in preload instruction"));
8299 constraint (!inst.operands[0].preind,
8300 _("unindexed addressing used in preload instruction"));
8301 encode_arm_addr_mode_2 (0, /*is_t=*/FALSE);
8302 inst.instruction &= ~PRE_INDEX;
8308 inst.operands[1] = inst.operands[0];
8309 memset (&inst.operands[0], 0, sizeof inst.operands[0]);
8310 inst.operands[0].isreg = 1;
8311 inst.operands[0].writeback = 1;
8312 inst.operands[0].reg = REG_SP;
8316 /* ARM V6 RFE (Return from Exception) loads the PC and CPSR from the
8317 word at the specified address and the following word
8319 Unconditionally executed.
8320 Error if Rn is R15. */
8325 inst.instruction |= inst.operands[0].reg << 16;
8326 if (inst.operands[0].writeback)
8327 inst.instruction |= WRITE_BACK;
8330 /* ARM V6 ssat (argument parse). */
8335 inst.instruction |= inst.operands[0].reg << 12;
8336 inst.instruction |= (inst.operands[1].imm - 1) << 16;
8337 inst.instruction |= inst.operands[2].reg;
8339 if (inst.operands[3].present)
8340 encode_arm_shift (3);
8343 /* ARM V6 usat (argument parse). */
8348 inst.instruction |= inst.operands[0].reg << 12;
8349 inst.instruction |= inst.operands[1].imm << 16;
8350 inst.instruction |= inst.operands[2].reg;
8352 if (inst.operands[3].present)
8353 encode_arm_shift (3);
8356 /* ARM V6 ssat16 (argument parse). */
8361 inst.instruction |= inst.operands[0].reg << 12;
8362 inst.instruction |= ((inst.operands[1].imm - 1) << 16);
8363 inst.instruction |= inst.operands[2].reg;
8369 inst.instruction |= inst.operands[0].reg << 12;
8370 inst.instruction |= inst.operands[1].imm << 16;
8371 inst.instruction |= inst.operands[2].reg;
8374 /* ARM V6 SETEND (argument parse). Sets the E bit in the CPSR while
8375 preserving the other bits.
8377 setend <endian_specifier>, where <endian_specifier> is either
8383 if (inst.operands[0].imm)
8384 inst.instruction |= 0x200;
8390 unsigned int Rm = (inst.operands[1].present
8391 ? inst.operands[1].reg
8392 : inst.operands[0].reg);
8394 inst.instruction |= inst.operands[0].reg << 12;
8395 inst.instruction |= Rm;
8396 if (inst.operands[2].isreg) /* Rd, {Rm,} Rs */
8398 inst.instruction |= inst.operands[2].reg << 8;
8399 inst.instruction |= SHIFT_BY_REG;
8400 /* PR 12854: Error on extraneous shifts. */
8401 constraint (inst.operands[2].shifted,
8402 _("extraneous shift as part of operand to shift insn"));
8405 inst.reloc.type = BFD_RELOC_ARM_SHIFT_IMM;
8411 inst.reloc.type = BFD_RELOC_ARM_SMC;
8412 inst.reloc.pc_rel = 0;
8418 inst.reloc.type = BFD_RELOC_ARM_HVC;
8419 inst.reloc.pc_rel = 0;
8425 inst.reloc.type = BFD_RELOC_ARM_SWI;
8426 inst.reloc.pc_rel = 0;
8429 /* ARM V5E (El Segundo) signed-multiply-accumulate (argument parse)
8430 SMLAxy{cond} Rd,Rm,Rs,Rn
8431 SMLAWy{cond} Rd,Rm,Rs,Rn
8432 Error if any register is R15. */
8437 inst.instruction |= inst.operands[0].reg << 16;
8438 inst.instruction |= inst.operands[1].reg;
8439 inst.instruction |= inst.operands[2].reg << 8;
8440 inst.instruction |= inst.operands[3].reg << 12;
8443 /* ARM V5E (El Segundo) signed-multiply-accumulate-long (argument parse)
8444 SMLALxy{cond} Rdlo,Rdhi,Rm,Rs
8445 Error if any register is R15.
8446 Warning if Rdlo == Rdhi. */
8451 inst.instruction |= inst.operands[0].reg << 12;
8452 inst.instruction |= inst.operands[1].reg << 16;
8453 inst.instruction |= inst.operands[2].reg;
8454 inst.instruction |= inst.operands[3].reg << 8;
8456 if (inst.operands[0].reg == inst.operands[1].reg)
8457 as_tsktsk (_("rdhi and rdlo must be different"));
8460 /* ARM V5E (El Segundo) signed-multiply (argument parse)
8461 SMULxy{cond} Rd,Rm,Rs
8462 Error if any register is R15. */
8467 inst.instruction |= inst.operands[0].reg << 16;
8468 inst.instruction |= inst.operands[1].reg;
8469 inst.instruction |= inst.operands[2].reg << 8;
8472 /* ARM V6 srs (argument parse). The variable fields in the encoding are
8473 the same for both ARM and Thumb-2. */
8480 if (inst.operands[0].present)
8482 reg = inst.operands[0].reg;
8483 constraint (reg != REG_SP, _("SRS base register must be r13"));
8488 inst.instruction |= reg << 16;
8489 inst.instruction |= inst.operands[1].imm;
8490 if (inst.operands[0].writeback || inst.operands[1].writeback)
8491 inst.instruction |= WRITE_BACK;
8494 /* ARM V6 strex (argument parse). */
8499 constraint (!inst.operands[2].isreg || !inst.operands[2].preind
8500 || inst.operands[2].postind || inst.operands[2].writeback
8501 || inst.operands[2].immisreg || inst.operands[2].shifted
8502 || inst.operands[2].negative
8503 /* See comment in do_ldrex(). */
8504 || (inst.operands[2].reg == REG_PC),
8507 constraint (inst.operands[0].reg == inst.operands[1].reg
8508 || inst.operands[0].reg == inst.operands[2].reg, BAD_OVERLAP);
8510 constraint (inst.reloc.exp.X_op != O_constant
8511 || inst.reloc.exp.X_add_number != 0,
8512 _("offset must be zero in ARM encoding"));
8514 inst.instruction |= inst.operands[0].reg << 12;
8515 inst.instruction |= inst.operands[1].reg;
8516 inst.instruction |= inst.operands[2].reg << 16;
8517 inst.reloc.type = BFD_RELOC_UNUSED;
8523 constraint (!inst.operands[2].isreg || !inst.operands[2].preind
8524 || inst.operands[2].postind || inst.operands[2].writeback
8525 || inst.operands[2].immisreg || inst.operands[2].shifted
8526 || inst.operands[2].negative,
8529 constraint (inst.operands[0].reg == inst.operands[1].reg
8530 || inst.operands[0].reg == inst.operands[2].reg, BAD_OVERLAP);
8538 constraint (inst.operands[1].reg % 2 != 0,
8539 _("even register required"));
8540 constraint (inst.operands[2].present
8541 && inst.operands[2].reg != inst.operands[1].reg + 1,
8542 _("can only store two consecutive registers"));
8543 /* If op 2 were present and equal to PC, this function wouldn't
8544 have been called in the first place. */
8545 constraint (inst.operands[1].reg == REG_LR, _("r14 not allowed here"));
8547 constraint (inst.operands[0].reg == inst.operands[1].reg
8548 || inst.operands[0].reg == inst.operands[1].reg + 1
8549 || inst.operands[0].reg == inst.operands[3].reg,
8552 inst.instruction |= inst.operands[0].reg << 12;
8553 inst.instruction |= inst.operands[1].reg;
8554 inst.instruction |= inst.operands[3].reg << 16;
8557 /* ARM V6 SXTAH extracts a 16-bit value from a register, sign
8558 extends it to 32-bits, and adds the result to a value in another
8559 register. You can specify a rotation by 0, 8, 16, or 24 bits
8560 before extracting the 16-bit value.
8561 SXTAH{<cond>} <Rd>, <Rn>, <Rm>{, <rotation>}
8562 Condition defaults to COND_ALWAYS.
8563 Error if any register uses R15. */
8568 inst.instruction |= inst.operands[0].reg << 12;
8569 inst.instruction |= inst.operands[1].reg << 16;
8570 inst.instruction |= inst.operands[2].reg;
8571 inst.instruction |= inst.operands[3].imm << 10;
8576 SXTH {<cond>} <Rd>, <Rm>{, <rotation>}
8577 Condition defaults to COND_ALWAYS.
8578 Error if any register uses R15. */
8583 inst.instruction |= inst.operands[0].reg << 12;
8584 inst.instruction |= inst.operands[1].reg;
8585 inst.instruction |= inst.operands[2].imm << 10;
8588 /* VFP instructions. In a logical order: SP variant first, monad
8589 before dyad, arithmetic then move then load/store. */
8592 do_vfp_sp_monadic (void)
8594 encode_arm_vfp_reg (inst.operands[0].reg, VFP_REG_Sd);
8595 encode_arm_vfp_reg (inst.operands[1].reg, VFP_REG_Sm);
8599 do_vfp_sp_dyadic (void)
8601 encode_arm_vfp_reg (inst.operands[0].reg, VFP_REG_Sd);
8602 encode_arm_vfp_reg (inst.operands[1].reg, VFP_REG_Sn);
8603 encode_arm_vfp_reg (inst.operands[2].reg, VFP_REG_Sm);
8607 do_vfp_sp_compare_z (void)
8609 encode_arm_vfp_reg (inst.operands[0].reg, VFP_REG_Sd);
8613 do_vfp_dp_sp_cvt (void)
8615 encode_arm_vfp_reg (inst.operands[0].reg, VFP_REG_Dd);
8616 encode_arm_vfp_reg (inst.operands[1].reg, VFP_REG_Sm);
8620 do_vfp_sp_dp_cvt (void)
8622 encode_arm_vfp_reg (inst.operands[0].reg, VFP_REG_Sd);
8623 encode_arm_vfp_reg (inst.operands[1].reg, VFP_REG_Dm);
8627 do_vfp_reg_from_sp (void)
8629 inst.instruction |= inst.operands[0].reg << 12;
8630 encode_arm_vfp_reg (inst.operands[1].reg, VFP_REG_Sn);
8634 do_vfp_reg2_from_sp2 (void)
8636 constraint (inst.operands[2].imm != 2,
8637 _("only two consecutive VFP SP registers allowed here"));
8638 inst.instruction |= inst.operands[0].reg << 12;
8639 inst.instruction |= inst.operands[1].reg << 16;
8640 encode_arm_vfp_reg (inst.operands[2].reg, VFP_REG_Sm);
8644 do_vfp_sp_from_reg (void)
8646 encode_arm_vfp_reg (inst.operands[0].reg, VFP_REG_Sn);
8647 inst.instruction |= inst.operands[1].reg << 12;
8651 do_vfp_sp2_from_reg2 (void)
8653 constraint (inst.operands[0].imm != 2,
8654 _("only two consecutive VFP SP registers allowed here"));
8655 encode_arm_vfp_reg (inst.operands[0].reg, VFP_REG_Sm);
8656 inst.instruction |= inst.operands[1].reg << 12;
8657 inst.instruction |= inst.operands[2].reg << 16;
8661 do_vfp_sp_ldst (void)
8663 encode_arm_vfp_reg (inst.operands[0].reg, VFP_REG_Sd);
8664 encode_arm_cp_address (1, FALSE, TRUE, 0);
8668 do_vfp_dp_ldst (void)
8670 encode_arm_vfp_reg (inst.operands[0].reg, VFP_REG_Dd);
8671 encode_arm_cp_address (1, FALSE, TRUE, 0);
8676 vfp_sp_ldstm (enum vfp_ldstm_type ldstm_type)
8678 if (inst.operands[0].writeback)
8679 inst.instruction |= WRITE_BACK;
8681 constraint (ldstm_type != VFP_LDSTMIA,
8682 _("this addressing mode requires base-register writeback"));
8683 inst.instruction |= inst.operands[0].reg << 16;
8684 encode_arm_vfp_reg (inst.operands[1].reg, VFP_REG_Sd);
8685 inst.instruction |= inst.operands[1].imm;
8689 vfp_dp_ldstm (enum vfp_ldstm_type ldstm_type)
8693 if (inst.operands[0].writeback)
8694 inst.instruction |= WRITE_BACK;
8696 constraint (ldstm_type != VFP_LDSTMIA && ldstm_type != VFP_LDSTMIAX,
8697 _("this addressing mode requires base-register writeback"));
8699 inst.instruction |= inst.operands[0].reg << 16;
8700 encode_arm_vfp_reg (inst.operands[1].reg, VFP_REG_Dd);
8702 count = inst.operands[1].imm << 1;
8703 if (ldstm_type == VFP_LDSTMIAX || ldstm_type == VFP_LDSTMDBX)
8706 inst.instruction |= count;
8710 do_vfp_sp_ldstmia (void)
8712 vfp_sp_ldstm (VFP_LDSTMIA);
8716 do_vfp_sp_ldstmdb (void)
8718 vfp_sp_ldstm (VFP_LDSTMDB);
8722 do_vfp_dp_ldstmia (void)
8724 vfp_dp_ldstm (VFP_LDSTMIA);
8728 do_vfp_dp_ldstmdb (void)
8730 vfp_dp_ldstm (VFP_LDSTMDB);
8734 do_vfp_xp_ldstmia (void)
8736 vfp_dp_ldstm (VFP_LDSTMIAX);
8740 do_vfp_xp_ldstmdb (void)
8742 vfp_dp_ldstm (VFP_LDSTMDBX);
8746 do_vfp_dp_rd_rm (void)
8748 encode_arm_vfp_reg (inst.operands[0].reg, VFP_REG_Dd);
8749 encode_arm_vfp_reg (inst.operands[1].reg, VFP_REG_Dm);
8753 do_vfp_dp_rn_rd (void)
8755 encode_arm_vfp_reg (inst.operands[0].reg, VFP_REG_Dn);
8756 encode_arm_vfp_reg (inst.operands[1].reg, VFP_REG_Dd);
8760 do_vfp_dp_rd_rn (void)
8762 encode_arm_vfp_reg (inst.operands[0].reg, VFP_REG_Dd);
8763 encode_arm_vfp_reg (inst.operands[1].reg, VFP_REG_Dn);
8767 do_vfp_dp_rd_rn_rm (void)
8769 encode_arm_vfp_reg (inst.operands[0].reg, VFP_REG_Dd);
8770 encode_arm_vfp_reg (inst.operands[1].reg, VFP_REG_Dn);
8771 encode_arm_vfp_reg (inst.operands[2].reg, VFP_REG_Dm);
8777 encode_arm_vfp_reg (inst.operands[0].reg, VFP_REG_Dd);
8781 do_vfp_dp_rm_rd_rn (void)
8783 encode_arm_vfp_reg (inst.operands[0].reg, VFP_REG_Dm);
8784 encode_arm_vfp_reg (inst.operands[1].reg, VFP_REG_Dd);
8785 encode_arm_vfp_reg (inst.operands[2].reg, VFP_REG_Dn);
8788 /* VFPv3 instructions. */
8790 do_vfp_sp_const (void)
8792 encode_arm_vfp_reg (inst.operands[0].reg, VFP_REG_Sd);
8793 inst.instruction |= (inst.operands[1].imm & 0xf0) << 12;
8794 inst.instruction |= (inst.operands[1].imm & 0x0f);
8798 do_vfp_dp_const (void)
8800 encode_arm_vfp_reg (inst.operands[0].reg, VFP_REG_Dd);
8801 inst.instruction |= (inst.operands[1].imm & 0xf0) << 12;
8802 inst.instruction |= (inst.operands[1].imm & 0x0f);
8806 vfp_conv (int srcsize)
8808 int immbits = srcsize - inst.operands[1].imm;
8810 if (srcsize == 16 && !(immbits >= 0 && immbits <= srcsize))
8812 /* If srcsize is 16, inst.operands[1].imm must be in the range 0-16.
8813 i.e. immbits must be in range 0 - 16. */
8814 inst.error = _("immediate value out of range, expected range [0, 16]");
8817 else if (srcsize == 32 && !(immbits >= 0 && immbits < srcsize))
8819 /* If srcsize is 32, inst.operands[1].imm must be in the range 1-32.
8820 i.e. immbits must be in range 0 - 31. */
8821 inst.error = _("immediate value out of range, expected range [1, 32]");
8825 inst.instruction |= (immbits & 1) << 5;
8826 inst.instruction |= (immbits >> 1);
8830 do_vfp_sp_conv_16 (void)
8832 encode_arm_vfp_reg (inst.operands[0].reg, VFP_REG_Sd);
8837 do_vfp_dp_conv_16 (void)
8839 encode_arm_vfp_reg (inst.operands[0].reg, VFP_REG_Dd);
8844 do_vfp_sp_conv_32 (void)
8846 encode_arm_vfp_reg (inst.operands[0].reg, VFP_REG_Sd);
8851 do_vfp_dp_conv_32 (void)
8853 encode_arm_vfp_reg (inst.operands[0].reg, VFP_REG_Dd);
8857 /* FPA instructions. Also in a logical order. */
8862 inst.instruction |= inst.operands[0].reg << 16;
8863 inst.instruction |= inst.operands[1].reg;
8867 do_fpa_ldmstm (void)
8869 inst.instruction |= inst.operands[0].reg << 12;
8870 switch (inst.operands[1].imm)
8872 case 1: inst.instruction |= CP_T_X; break;
8873 case 2: inst.instruction |= CP_T_Y; break;
8874 case 3: inst.instruction |= CP_T_Y | CP_T_X; break;
8879 if (inst.instruction & (PRE_INDEX | INDEX_UP))
8881 /* The instruction specified "ea" or "fd", so we can only accept
8882 [Rn]{!}. The instruction does not really support stacking or
8883 unstacking, so we have to emulate these by setting appropriate
8884 bits and offsets. */
8885 constraint (inst.reloc.exp.X_op != O_constant
8886 || inst.reloc.exp.X_add_number != 0,
8887 _("this instruction does not support indexing"));
8889 if ((inst.instruction & PRE_INDEX) || inst.operands[2].writeback)
8890 inst.reloc.exp.X_add_number = 12 * inst.operands[1].imm;
8892 if (!(inst.instruction & INDEX_UP))
8893 inst.reloc.exp.X_add_number = -inst.reloc.exp.X_add_number;
8895 if (!(inst.instruction & PRE_INDEX) && inst.operands[2].writeback)
8897 inst.operands[2].preind = 0;
8898 inst.operands[2].postind = 1;
8902 encode_arm_cp_address (2, TRUE, TRUE, 0);
8905 /* iWMMXt instructions: strictly in alphabetical order. */
8908 do_iwmmxt_tandorc (void)
8910 constraint (inst.operands[0].reg != REG_PC, _("only r15 allowed here"));
8914 do_iwmmxt_textrc (void)
8916 inst.instruction |= inst.operands[0].reg << 12;
8917 inst.instruction |= inst.operands[1].imm;
8921 do_iwmmxt_textrm (void)
8923 inst.instruction |= inst.operands[0].reg << 12;
8924 inst.instruction |= inst.operands[1].reg << 16;
8925 inst.instruction |= inst.operands[2].imm;
8929 do_iwmmxt_tinsr (void)
8931 inst.instruction |= inst.operands[0].reg << 16;
8932 inst.instruction |= inst.operands[1].reg << 12;
8933 inst.instruction |= inst.operands[2].imm;
8937 do_iwmmxt_tmia (void)
8939 inst.instruction |= inst.operands[0].reg << 5;
8940 inst.instruction |= inst.operands[1].reg;
8941 inst.instruction |= inst.operands[2].reg << 12;
8945 do_iwmmxt_waligni (void)
8947 inst.instruction |= inst.operands[0].reg << 12;
8948 inst.instruction |= inst.operands[1].reg << 16;
8949 inst.instruction |= inst.operands[2].reg;
8950 inst.instruction |= inst.operands[3].imm << 20;
8954 do_iwmmxt_wmerge (void)
8956 inst.instruction |= inst.operands[0].reg << 12;
8957 inst.instruction |= inst.operands[1].reg << 16;
8958 inst.instruction |= inst.operands[2].reg;
8959 inst.instruction |= inst.operands[3].imm << 21;
8963 do_iwmmxt_wmov (void)
8965 /* WMOV rD, rN is an alias for WOR rD, rN, rN. */
8966 inst.instruction |= inst.operands[0].reg << 12;
8967 inst.instruction |= inst.operands[1].reg << 16;
8968 inst.instruction |= inst.operands[1].reg;
8972 do_iwmmxt_wldstbh (void)
8975 inst.instruction |= inst.operands[0].reg << 12;
8977 reloc = BFD_RELOC_ARM_T32_CP_OFF_IMM_S2;
8979 reloc = BFD_RELOC_ARM_CP_OFF_IMM_S2;
8980 encode_arm_cp_address (1, TRUE, FALSE, reloc);
8984 do_iwmmxt_wldstw (void)
8986 /* RIWR_RIWC clears .isreg for a control register. */
8987 if (!inst.operands[0].isreg)
8989 constraint (inst.cond != COND_ALWAYS, BAD_COND);
8990 inst.instruction |= 0xf0000000;
8993 inst.instruction |= inst.operands[0].reg << 12;
8994 encode_arm_cp_address (1, TRUE, TRUE, 0);
8998 do_iwmmxt_wldstd (void)
9000 inst.instruction |= inst.operands[0].reg << 12;
9001 if (ARM_CPU_HAS_FEATURE (cpu_variant, arm_cext_iwmmxt2)
9002 && inst.operands[1].immisreg)
9004 inst.instruction &= ~0x1a000ff;
9005 inst.instruction |= (0xf << 28);
9006 if (inst.operands[1].preind)
9007 inst.instruction |= PRE_INDEX;
9008 if (!inst.operands[1].negative)
9009 inst.instruction |= INDEX_UP;
9010 if (inst.operands[1].writeback)
9011 inst.instruction |= WRITE_BACK;
9012 inst.instruction |= inst.operands[1].reg << 16;
9013 inst.instruction |= inst.reloc.exp.X_add_number << 4;
9014 inst.instruction |= inst.operands[1].imm;
9017 encode_arm_cp_address (1, TRUE, FALSE, 0);
9021 do_iwmmxt_wshufh (void)
9023 inst.instruction |= inst.operands[0].reg << 12;
9024 inst.instruction |= inst.operands[1].reg << 16;
9025 inst.instruction |= ((inst.operands[2].imm & 0xf0) << 16);
9026 inst.instruction |= (inst.operands[2].imm & 0x0f);
9030 do_iwmmxt_wzero (void)
9032 /* WZERO reg is an alias for WANDN reg, reg, reg. */
9033 inst.instruction |= inst.operands[0].reg;
9034 inst.instruction |= inst.operands[0].reg << 12;
9035 inst.instruction |= inst.operands[0].reg << 16;
9039 do_iwmmxt_wrwrwr_or_imm5 (void)
9041 if (inst.operands[2].isreg)
9044 constraint (!ARM_CPU_HAS_FEATURE (cpu_variant, arm_cext_iwmmxt2),
9045 _("immediate operand requires iWMMXt2"));
9047 if (inst.operands[2].imm == 0)
9049 switch ((inst.instruction >> 20) & 0xf)
9055 /* w...h wrd, wrn, #0 -> wrorh wrd, wrn, #16. */
9056 inst.operands[2].imm = 16;
9057 inst.instruction = (inst.instruction & 0xff0fffff) | (0x7 << 20);
9063 /* w...w wrd, wrn, #0 -> wrorw wrd, wrn, #32. */
9064 inst.operands[2].imm = 32;
9065 inst.instruction = (inst.instruction & 0xff0fffff) | (0xb << 20);
9072 /* w...d wrd, wrn, #0 -> wor wrd, wrn, wrn. */
9074 wrn = (inst.instruction >> 16) & 0xf;
9075 inst.instruction &= 0xff0fff0f;
9076 inst.instruction |= wrn;
9077 /* Bail out here; the instruction is now assembled. */
9082 /* Map 32 -> 0, etc. */
9083 inst.operands[2].imm &= 0x1f;
9084 inst.instruction |= (0xf << 28) | ((inst.operands[2].imm & 0x10) << 4) | (inst.operands[2].imm & 0xf);
9088 /* Cirrus Maverick instructions. Simple 2-, 3-, and 4-register
9089 operations first, then control, shift, and load/store. */
9091 /* Insns like "foo X,Y,Z". */
9094 do_mav_triple (void)
9096 inst.instruction |= inst.operands[0].reg << 16;
9097 inst.instruction |= inst.operands[1].reg;
9098 inst.instruction |= inst.operands[2].reg << 12;
9101 /* Insns like "foo W,X,Y,Z".
9102 where W=MVAX[0:3] and X,Y,Z=MVFX[0:15]. */
9107 inst.instruction |= inst.operands[0].reg << 5;
9108 inst.instruction |= inst.operands[1].reg << 12;
9109 inst.instruction |= inst.operands[2].reg << 16;
9110 inst.instruction |= inst.operands[3].reg;
9113 /* cfmvsc32<cond> DSPSC,MVDX[15:0]. */
9117 inst.instruction |= inst.operands[1].reg << 12;
9120 /* Maverick shift immediate instructions.
9121 cfsh32<cond> MVFX[15:0],MVFX[15:0],Shift[6:0].
9122 cfsh64<cond> MVDX[15:0],MVDX[15:0],Shift[6:0]. */
9127 int imm = inst.operands[2].imm;
9129 inst.instruction |= inst.operands[0].reg << 12;
9130 inst.instruction |= inst.operands[1].reg << 16;
9132 /* Bits 0-3 of the insn should have bits 0-3 of the immediate.
9133 Bits 5-7 of the insn should have bits 4-6 of the immediate.
9134 Bit 4 should be 0. */
9135 imm = (imm & 0xf) | ((imm & 0x70) << 1);
9137 inst.instruction |= imm;
9140 /* XScale instructions. Also sorted arithmetic before move. */
9142 /* Xscale multiply-accumulate (argument parse)
9145 MIAxycc acc0,Rm,Rs. */
9150 inst.instruction |= inst.operands[1].reg;
9151 inst.instruction |= inst.operands[2].reg << 12;
9154 /* Xscale move-accumulator-register (argument parse)
9156 MARcc acc0,RdLo,RdHi. */
9161 inst.instruction |= inst.operands[1].reg << 12;
9162 inst.instruction |= inst.operands[2].reg << 16;
9165 /* Xscale move-register-accumulator (argument parse)
9167 MRAcc RdLo,RdHi,acc0. */
9172 constraint (inst.operands[0].reg == inst.operands[1].reg, BAD_OVERLAP);
9173 inst.instruction |= inst.operands[0].reg << 12;
9174 inst.instruction |= inst.operands[1].reg << 16;
9177 /* Encoding functions relevant only to Thumb. */
9179 /* inst.operands[i] is a shifted-register operand; encode
9180 it into inst.instruction in the format used by Thumb32. */
9183 encode_thumb32_shifted_operand (int i)
9185 unsigned int value = inst.reloc.exp.X_add_number;
9186 unsigned int shift = inst.operands[i].shift_kind;
9188 constraint (inst.operands[i].immisreg,
9189 _("shift by register not allowed in thumb mode"));
9190 inst.instruction |= inst.operands[i].reg;
9191 if (shift == SHIFT_RRX)
9192 inst.instruction |= SHIFT_ROR << 4;
9195 constraint (inst.reloc.exp.X_op != O_constant,
9196 _("expression too complex"));
9198 constraint (value > 32
9199 || (value == 32 && (shift == SHIFT_LSL
9200 || shift == SHIFT_ROR)),
9201 _("shift expression is too large"));
9205 else if (value == 32)
9208 inst.instruction |= shift << 4;
9209 inst.instruction |= (value & 0x1c) << 10;
9210 inst.instruction |= (value & 0x03) << 6;
9215 /* inst.operands[i] was set up by parse_address. Encode it into a
9216 Thumb32 format load or store instruction. Reject forms that cannot
9217 be used with such instructions. If is_t is true, reject forms that
9218 cannot be used with a T instruction; if is_d is true, reject forms
9219 that cannot be used with a D instruction. If it is a store insn,
9223 encode_thumb32_addr_mode (int i, bfd_boolean is_t, bfd_boolean is_d)
9225 const bfd_boolean is_pc = (inst.operands[i].reg == REG_PC);
9227 constraint (!inst.operands[i].isreg,
9228 _("Instruction does not support =N addresses"));
9230 inst.instruction |= inst.operands[i].reg << 16;
9231 if (inst.operands[i].immisreg)
9233 constraint (is_pc, BAD_PC_ADDRESSING);
9234 constraint (is_t || is_d, _("cannot use register index with this instruction"));
9235 constraint (inst.operands[i].negative,
9236 _("Thumb does not support negative register indexing"));
9237 constraint (inst.operands[i].postind,
9238 _("Thumb does not support register post-indexing"));
9239 constraint (inst.operands[i].writeback,
9240 _("Thumb does not support register indexing with writeback"));
9241 constraint (inst.operands[i].shifted && inst.operands[i].shift_kind != SHIFT_LSL,
9242 _("Thumb supports only LSL in shifted register indexing"));
9244 inst.instruction |= inst.operands[i].imm;
9245 if (inst.operands[i].shifted)
9247 constraint (inst.reloc.exp.X_op != O_constant,
9248 _("expression too complex"));
9249 constraint (inst.reloc.exp.X_add_number < 0
9250 || inst.reloc.exp.X_add_number > 3,
9251 _("shift out of range"));
9252 inst.instruction |= inst.reloc.exp.X_add_number << 4;
9254 inst.reloc.type = BFD_RELOC_UNUSED;
9256 else if (inst.operands[i].preind)
9258 constraint (is_pc && inst.operands[i].writeback, BAD_PC_WRITEBACK);
9259 constraint (is_t && inst.operands[i].writeback,
9260 _("cannot use writeback with this instruction"));
9261 constraint (is_pc && ((inst.instruction & THUMB2_LOAD_BIT) == 0)
9262 && !inst.reloc.pc_rel, BAD_PC_ADDRESSING);
9266 inst.instruction |= 0x01000000;
9267 if (inst.operands[i].writeback)
9268 inst.instruction |= 0x00200000;
9272 inst.instruction |= 0x00000c00;
9273 if (inst.operands[i].writeback)
9274 inst.instruction |= 0x00000100;
9276 inst.reloc.type = BFD_RELOC_ARM_T32_OFFSET_IMM;
9278 else if (inst.operands[i].postind)
9280 gas_assert (inst.operands[i].writeback);
9281 constraint (is_pc, _("cannot use post-indexing with PC-relative addressing"));
9282 constraint (is_t, _("cannot use post-indexing with this instruction"));
9285 inst.instruction |= 0x00200000;
9287 inst.instruction |= 0x00000900;
9288 inst.reloc.type = BFD_RELOC_ARM_T32_OFFSET_IMM;
9290 else /* unindexed - only for coprocessor */
9291 inst.error = _("instruction does not accept unindexed addressing");
9294 /* Table of Thumb instructions which exist in both 16- and 32-bit
9295 encodings (the latter only in post-V6T2 cores). The index is the
9296 value used in the insns table below. When there is more than one
9297 possible 16-bit encoding for the instruction, this table always
9299 Also contains several pseudo-instructions used during relaxation. */
9300 #define T16_32_TAB \
9301 X(_adc, 4140, eb400000), \
9302 X(_adcs, 4140, eb500000), \
9303 X(_add, 1c00, eb000000), \
9304 X(_adds, 1c00, eb100000), \
9305 X(_addi, 0000, f1000000), \
9306 X(_addis, 0000, f1100000), \
9307 X(_add_pc,000f, f20f0000), \
9308 X(_add_sp,000d, f10d0000), \
9309 X(_adr, 000f, f20f0000), \
9310 X(_and, 4000, ea000000), \
9311 X(_ands, 4000, ea100000), \
9312 X(_asr, 1000, fa40f000), \
9313 X(_asrs, 1000, fa50f000), \
9314 X(_b, e000, f000b000), \
9315 X(_bcond, d000, f0008000), \
9316 X(_bic, 4380, ea200000), \
9317 X(_bics, 4380, ea300000), \
9318 X(_cmn, 42c0, eb100f00), \
9319 X(_cmp, 2800, ebb00f00), \
9320 X(_cpsie, b660, f3af8400), \
9321 X(_cpsid, b670, f3af8600), \
9322 X(_cpy, 4600, ea4f0000), \
9323 X(_dec_sp,80dd, f1ad0d00), \
9324 X(_eor, 4040, ea800000), \
9325 X(_eors, 4040, ea900000), \
9326 X(_inc_sp,00dd, f10d0d00), \
9327 X(_ldmia, c800, e8900000), \
9328 X(_ldr, 6800, f8500000), \
9329 X(_ldrb, 7800, f8100000), \
9330 X(_ldrh, 8800, f8300000), \
9331 X(_ldrsb, 5600, f9100000), \
9332 X(_ldrsh, 5e00, f9300000), \
9333 X(_ldr_pc,4800, f85f0000), \
9334 X(_ldr_pc2,4800, f85f0000), \
9335 X(_ldr_sp,9800, f85d0000), \
9336 X(_lsl, 0000, fa00f000), \
9337 X(_lsls, 0000, fa10f000), \
9338 X(_lsr, 0800, fa20f000), \
9339 X(_lsrs, 0800, fa30f000), \
9340 X(_mov, 2000, ea4f0000), \
9341 X(_movs, 2000, ea5f0000), \
9342 X(_mul, 4340, fb00f000), \
9343 X(_muls, 4340, ffffffff), /* no 32b muls */ \
9344 X(_mvn, 43c0, ea6f0000), \
9345 X(_mvns, 43c0, ea7f0000), \
9346 X(_neg, 4240, f1c00000), /* rsb #0 */ \
9347 X(_negs, 4240, f1d00000), /* rsbs #0 */ \
9348 X(_orr, 4300, ea400000), \
9349 X(_orrs, 4300, ea500000), \
9350 X(_pop, bc00, e8bd0000), /* ldmia sp!,... */ \
9351 X(_push, b400, e92d0000), /* stmdb sp!,... */ \
9352 X(_rev, ba00, fa90f080), \
9353 X(_rev16, ba40, fa90f090), \
9354 X(_revsh, bac0, fa90f0b0), \
9355 X(_ror, 41c0, fa60f000), \
9356 X(_rors, 41c0, fa70f000), \
9357 X(_sbc, 4180, eb600000), \
9358 X(_sbcs, 4180, eb700000), \
9359 X(_stmia, c000, e8800000), \
9360 X(_str, 6000, f8400000), \
9361 X(_strb, 7000, f8000000), \
9362 X(_strh, 8000, f8200000), \
9363 X(_str_sp,9000, f84d0000), \
9364 X(_sub, 1e00, eba00000), \
9365 X(_subs, 1e00, ebb00000), \
9366 X(_subi, 8000, f1a00000), \
9367 X(_subis, 8000, f1b00000), \
9368 X(_sxtb, b240, fa4ff080), \
9369 X(_sxth, b200, fa0ff080), \
9370 X(_tst, 4200, ea100f00), \
9371 X(_uxtb, b2c0, fa5ff080), \
9372 X(_uxth, b280, fa1ff080), \
9373 X(_nop, bf00, f3af8000), \
9374 X(_yield, bf10, f3af8001), \
9375 X(_wfe, bf20, f3af8002), \
9376 X(_wfi, bf30, f3af8003), \
9377 X(_sev, bf40, f3af8004),
9379 /* To catch errors in encoding functions, the codes are all offset by
9380 0xF800, putting them in one of the 32-bit prefix ranges, ergo undefined
9381 as 16-bit instructions. */
9382 #define X(a,b,c) T_MNEM##a
9383 enum t16_32_codes { T16_32_OFFSET = 0xF7FF, T16_32_TAB };
9386 #define X(a,b,c) 0x##b
9387 static const unsigned short thumb_op16[] = { T16_32_TAB };
9388 #define THUMB_OP16(n) (thumb_op16[(n) - (T16_32_OFFSET + 1)])
9391 #define X(a,b,c) 0x##c
9392 static const unsigned int thumb_op32[] = { T16_32_TAB };
9393 #define THUMB_OP32(n) (thumb_op32[(n) - (T16_32_OFFSET + 1)])
9394 #define THUMB_SETS_FLAGS(n) (THUMB_OP32 (n) & 0x00100000)
9398 /* Thumb instruction encoders, in alphabetical order. */
9403 do_t_add_sub_w (void)
9407 Rd = inst.operands[0].reg;
9408 Rn = inst.operands[1].reg;
9410 /* If Rn is REG_PC, this is ADR; if Rn is REG_SP, then this
9411 is the SP-{plus,minus}-immediate form of the instruction. */
9413 constraint (Rd == REG_PC, BAD_PC);
9415 reject_bad_reg (Rd);
9417 inst.instruction |= (Rn << 16) | (Rd << 8);
9418 inst.reloc.type = BFD_RELOC_ARM_T32_IMM12;
9421 /* Parse an add or subtract instruction. We get here with inst.instruction
9422 equalling any of THUMB_OPCODE_add, adds, sub, or subs. */
9429 Rd = inst.operands[0].reg;
9430 Rs = (inst.operands[1].present
9431 ? inst.operands[1].reg /* Rd, Rs, foo */
9432 : inst.operands[0].reg); /* Rd, foo -> Rd, Rd, foo */
9435 set_it_insn_type_last ();
9443 flags = (inst.instruction == T_MNEM_adds
9444 || inst.instruction == T_MNEM_subs);
9446 narrow = !in_it_block ();
9448 narrow = in_it_block ();
9449 if (!inst.operands[2].isreg)
9453 constraint (Rd == REG_SP && Rs != REG_SP, BAD_SP);
9455 add = (inst.instruction == T_MNEM_add
9456 || inst.instruction == T_MNEM_adds);
9458 if (inst.size_req != 4)
9460 /* Attempt to use a narrow opcode, with relaxation if
9462 if (Rd == REG_SP && Rs == REG_SP && !flags)
9463 opcode = add ? T_MNEM_inc_sp : T_MNEM_dec_sp;
9464 else if (Rd <= 7 && Rs == REG_SP && add && !flags)
9465 opcode = T_MNEM_add_sp;
9466 else if (Rd <= 7 && Rs == REG_PC && add && !flags)
9467 opcode = T_MNEM_add_pc;
9468 else if (Rd <= 7 && Rs <= 7 && narrow)
9471 opcode = add ? T_MNEM_addis : T_MNEM_subis;
9473 opcode = add ? T_MNEM_addi : T_MNEM_subi;
9477 inst.instruction = THUMB_OP16(opcode);
9478 inst.instruction |= (Rd << 4) | Rs;
9479 inst.reloc.type = BFD_RELOC_ARM_THUMB_ADD;
9480 if (inst.size_req != 2)
9481 inst.relax = opcode;
9484 constraint (inst.size_req == 2, BAD_HIREG);
9486 if (inst.size_req == 4
9487 || (inst.size_req != 2 && !opcode))
9491 constraint (add, BAD_PC);
9492 constraint (Rs != REG_LR || inst.instruction != T_MNEM_subs,
9493 _("only SUBS PC, LR, #const allowed"));
9494 constraint (inst.reloc.exp.X_op != O_constant,
9495 _("expression too complex"));
9496 constraint (inst.reloc.exp.X_add_number < 0
9497 || inst.reloc.exp.X_add_number > 0xff,
9498 _("immediate value out of range"));
9499 inst.instruction = T2_SUBS_PC_LR
9500 | inst.reloc.exp.X_add_number;
9501 inst.reloc.type = BFD_RELOC_UNUSED;
9504 else if (Rs == REG_PC)
9506 /* Always use addw/subw. */
9507 inst.instruction = add ? 0xf20f0000 : 0xf2af0000;
9508 inst.reloc.type = BFD_RELOC_ARM_T32_IMM12;
9512 inst.instruction = THUMB_OP32 (inst.instruction);
9513 inst.instruction = (inst.instruction & 0xe1ffffff)
9516 inst.reloc.type = BFD_RELOC_ARM_T32_IMMEDIATE;
9518 inst.reloc.type = BFD_RELOC_ARM_T32_ADD_IMM;
9520 inst.instruction |= Rd << 8;
9521 inst.instruction |= Rs << 16;
9526 unsigned int value = inst.reloc.exp.X_add_number;
9527 unsigned int shift = inst.operands[2].shift_kind;
9529 Rn = inst.operands[2].reg;
9530 /* See if we can do this with a 16-bit instruction. */
9531 if (!inst.operands[2].shifted && inst.size_req != 4)
9533 if (Rd > 7 || Rs > 7 || Rn > 7)
9538 inst.instruction = ((inst.instruction == T_MNEM_adds
9539 || inst.instruction == T_MNEM_add)
9542 inst.instruction |= Rd | (Rs << 3) | (Rn << 6);
9546 if (inst.instruction == T_MNEM_add && (Rd == Rs || Rd == Rn))
9548 /* Thumb-1 cores (except v6-M) require at least one high
9549 register in a narrow non flag setting add. */
9550 if (Rd > 7 || Rn > 7
9551 || ARM_CPU_HAS_FEATURE (selected_cpu, arm_ext_v6t2)
9552 || ARM_CPU_HAS_FEATURE (selected_cpu, arm_ext_msr))
9559 inst.instruction = T_OPCODE_ADD_HI;
9560 inst.instruction |= (Rd & 8) << 4;
9561 inst.instruction |= (Rd & 7);
9562 inst.instruction |= Rn << 3;
9568 constraint (Rd == REG_PC, BAD_PC);
9569 constraint (Rd == REG_SP && Rs != REG_SP, BAD_SP);
9570 constraint (Rs == REG_PC, BAD_PC);
9571 reject_bad_reg (Rn);
9573 /* If we get here, it can't be done in 16 bits. */
9574 constraint (inst.operands[2].shifted && inst.operands[2].immisreg,
9575 _("shift must be constant"));
9576 inst.instruction = THUMB_OP32 (inst.instruction);
9577 inst.instruction |= Rd << 8;
9578 inst.instruction |= Rs << 16;
9579 constraint (Rd == REG_SP && Rs == REG_SP && value > 3,
9580 _("shift value over 3 not allowed in thumb mode"));
9581 constraint (Rd == REG_SP && Rs == REG_SP && shift != SHIFT_LSL,
9582 _("only LSL shift allowed in thumb mode"));
9583 encode_thumb32_shifted_operand (2);
9588 constraint (inst.instruction == T_MNEM_adds
9589 || inst.instruction == T_MNEM_subs,
9592 if (!inst.operands[2].isreg) /* Rd, Rs, #imm */
9594 constraint ((Rd > 7 && (Rd != REG_SP || Rs != REG_SP))
9595 || (Rs > 7 && Rs != REG_SP && Rs != REG_PC),
9598 inst.instruction = (inst.instruction == T_MNEM_add
9600 inst.instruction |= (Rd << 4) | Rs;
9601 inst.reloc.type = BFD_RELOC_ARM_THUMB_ADD;
9605 Rn = inst.operands[2].reg;
9606 constraint (inst.operands[2].shifted, _("unshifted register required"));
9608 /* We now have Rd, Rs, and Rn set to registers. */
9609 if (Rd > 7 || Rs > 7 || Rn > 7)
9611 /* Can't do this for SUB. */
9612 constraint (inst.instruction == T_MNEM_sub, BAD_HIREG);
9613 inst.instruction = T_OPCODE_ADD_HI;
9614 inst.instruction |= (Rd & 8) << 4;
9615 inst.instruction |= (Rd & 7);
9617 inst.instruction |= Rn << 3;
9619 inst.instruction |= Rs << 3;
9621 constraint (1, _("dest must overlap one source register"));
9625 inst.instruction = (inst.instruction == T_MNEM_add
9626 ? T_OPCODE_ADD_R3 : T_OPCODE_SUB_R3);
9627 inst.instruction |= Rd | (Rs << 3) | (Rn << 6);
9637 Rd = inst.operands[0].reg;
9638 reject_bad_reg (Rd);
9640 if (unified_syntax && inst.size_req == 0 && Rd <= 7)
9642 /* Defer to section relaxation. */
9643 inst.relax = inst.instruction;
9644 inst.instruction = THUMB_OP16 (inst.instruction);
9645 inst.instruction |= Rd << 4;
9647 else if (unified_syntax && inst.size_req != 2)
9649 /* Generate a 32-bit opcode. */
9650 inst.instruction = THUMB_OP32 (inst.instruction);
9651 inst.instruction |= Rd << 8;
9652 inst.reloc.type = BFD_RELOC_ARM_T32_ADD_PC12;
9653 inst.reloc.pc_rel = 1;
9657 /* Generate a 16-bit opcode. */
9658 inst.instruction = THUMB_OP16 (inst.instruction);
9659 inst.reloc.type = BFD_RELOC_ARM_THUMB_ADD;
9660 inst.reloc.exp.X_add_number -= 4; /* PC relative adjust. */
9661 inst.reloc.pc_rel = 1;
9663 inst.instruction |= Rd << 4;
9667 /* Arithmetic instructions for which there is just one 16-bit
9668 instruction encoding, and it allows only two low registers.
9669 For maximal compatibility with ARM syntax, we allow three register
9670 operands even when Thumb-32 instructions are not available, as long
9671 as the first two are identical. For instance, both "sbc r0,r1" and
9672 "sbc r0,r0,r1" are allowed. */
9678 Rd = inst.operands[0].reg;
9679 Rs = (inst.operands[1].present
9680 ? inst.operands[1].reg /* Rd, Rs, foo */
9681 : inst.operands[0].reg); /* Rd, foo -> Rd, Rd, foo */
9682 Rn = inst.operands[2].reg;
9684 reject_bad_reg (Rd);
9685 reject_bad_reg (Rs);
9686 if (inst.operands[2].isreg)
9687 reject_bad_reg (Rn);
9691 if (!inst.operands[2].isreg)
9693 /* For an immediate, we always generate a 32-bit opcode;
9694 section relaxation will shrink it later if possible. */
9695 inst.instruction = THUMB_OP32 (inst.instruction);
9696 inst.instruction = (inst.instruction & 0xe1ffffff) | 0x10000000;
9697 inst.instruction |= Rd << 8;
9698 inst.instruction |= Rs << 16;
9699 inst.reloc.type = BFD_RELOC_ARM_T32_IMMEDIATE;
9705 /* See if we can do this with a 16-bit instruction. */
9706 if (THUMB_SETS_FLAGS (inst.instruction))
9707 narrow = !in_it_block ();
9709 narrow = in_it_block ();
9711 if (Rd > 7 || Rn > 7 || Rs > 7)
9713 if (inst.operands[2].shifted)
9715 if (inst.size_req == 4)
9721 inst.instruction = THUMB_OP16 (inst.instruction);
9722 inst.instruction |= Rd;
9723 inst.instruction |= Rn << 3;
9727 /* If we get here, it can't be done in 16 bits. */
9728 constraint (inst.operands[2].shifted
9729 && inst.operands[2].immisreg,
9730 _("shift must be constant"));
9731 inst.instruction = THUMB_OP32 (inst.instruction);
9732 inst.instruction |= Rd << 8;
9733 inst.instruction |= Rs << 16;
9734 encode_thumb32_shifted_operand (2);
9739 /* On its face this is a lie - the instruction does set the
9740 flags. However, the only supported mnemonic in this mode
9742 constraint (THUMB_SETS_FLAGS (inst.instruction), BAD_THUMB32);
9744 constraint (!inst.operands[2].isreg || inst.operands[2].shifted,
9745 _("unshifted register required"));
9746 constraint (Rd > 7 || Rs > 7 || Rn > 7, BAD_HIREG);
9747 constraint (Rd != Rs,
9748 _("dest and source1 must be the same register"));
9750 inst.instruction = THUMB_OP16 (inst.instruction);
9751 inst.instruction |= Rd;
9752 inst.instruction |= Rn << 3;
9756 /* Similarly, but for instructions where the arithmetic operation is
9757 commutative, so we can allow either of them to be different from
9758 the destination operand in a 16-bit instruction. For instance, all
9759 three of "adc r0,r1", "adc r0,r0,r1", and "adc r0,r1,r0" are
9766 Rd = inst.operands[0].reg;
9767 Rs = (inst.operands[1].present
9768 ? inst.operands[1].reg /* Rd, Rs, foo */
9769 : inst.operands[0].reg); /* Rd, foo -> Rd, Rd, foo */
9770 Rn = inst.operands[2].reg;
9772 reject_bad_reg (Rd);
9773 reject_bad_reg (Rs);
9774 if (inst.operands[2].isreg)
9775 reject_bad_reg (Rn);
9779 if (!inst.operands[2].isreg)
9781 /* For an immediate, we always generate a 32-bit opcode;
9782 section relaxation will shrink it later if possible. */
9783 inst.instruction = THUMB_OP32 (inst.instruction);
9784 inst.instruction = (inst.instruction & 0xe1ffffff) | 0x10000000;
9785 inst.instruction |= Rd << 8;
9786 inst.instruction |= Rs << 16;
9787 inst.reloc.type = BFD_RELOC_ARM_T32_IMMEDIATE;
9793 /* See if we can do this with a 16-bit instruction. */
9794 if (THUMB_SETS_FLAGS (inst.instruction))
9795 narrow = !in_it_block ();
9797 narrow = in_it_block ();
9799 if (Rd > 7 || Rn > 7 || Rs > 7)
9801 if (inst.operands[2].shifted)
9803 if (inst.size_req == 4)
9810 inst.instruction = THUMB_OP16 (inst.instruction);
9811 inst.instruction |= Rd;
9812 inst.instruction |= Rn << 3;
9817 inst.instruction = THUMB_OP16 (inst.instruction);
9818 inst.instruction |= Rd;
9819 inst.instruction |= Rs << 3;
9824 /* If we get here, it can't be done in 16 bits. */
9825 constraint (inst.operands[2].shifted
9826 && inst.operands[2].immisreg,
9827 _("shift must be constant"));
9828 inst.instruction = THUMB_OP32 (inst.instruction);
9829 inst.instruction |= Rd << 8;
9830 inst.instruction |= Rs << 16;
9831 encode_thumb32_shifted_operand (2);
9836 /* On its face this is a lie - the instruction does set the
9837 flags. However, the only supported mnemonic in this mode
9839 constraint (THUMB_SETS_FLAGS (inst.instruction), BAD_THUMB32);
9841 constraint (!inst.operands[2].isreg || inst.operands[2].shifted,
9842 _("unshifted register required"));
9843 constraint (Rd > 7 || Rs > 7 || Rn > 7, BAD_HIREG);
9845 inst.instruction = THUMB_OP16 (inst.instruction);
9846 inst.instruction |= Rd;
9849 inst.instruction |= Rn << 3;
9851 inst.instruction |= Rs << 3;
9853 constraint (1, _("dest must overlap one source register"));
9860 if (inst.operands[0].present)
9862 constraint ((inst.instruction & 0xf0) != 0x40
9863 && inst.operands[0].imm > 0xf
9864 && inst.operands[0].imm < 0x0,
9865 _("bad barrier type"));
9866 inst.instruction |= inst.operands[0].imm;
9869 inst.instruction |= 0xf;
9876 unsigned int msb = inst.operands[1].imm + inst.operands[2].imm;
9877 constraint (msb > 32, _("bit-field extends past end of register"));
9878 /* The instruction encoding stores the LSB and MSB,
9879 not the LSB and width. */
9880 Rd = inst.operands[0].reg;
9881 reject_bad_reg (Rd);
9882 inst.instruction |= Rd << 8;
9883 inst.instruction |= (inst.operands[1].imm & 0x1c) << 10;
9884 inst.instruction |= (inst.operands[1].imm & 0x03) << 6;
9885 inst.instruction |= msb - 1;
9894 Rd = inst.operands[0].reg;
9895 reject_bad_reg (Rd);
9897 /* #0 in second position is alternative syntax for bfc, which is
9898 the same instruction but with REG_PC in the Rm field. */
9899 if (!inst.operands[1].isreg)
9903 Rn = inst.operands[1].reg;
9904 reject_bad_reg (Rn);
9907 msb = inst.operands[2].imm + inst.operands[3].imm;
9908 constraint (msb > 32, _("bit-field extends past end of register"));
9909 /* The instruction encoding stores the LSB and MSB,
9910 not the LSB and width. */
9911 inst.instruction |= Rd << 8;
9912 inst.instruction |= Rn << 16;
9913 inst.instruction |= (inst.operands[2].imm & 0x1c) << 10;
9914 inst.instruction |= (inst.operands[2].imm & 0x03) << 6;
9915 inst.instruction |= msb - 1;
9923 Rd = inst.operands[0].reg;
9924 Rn = inst.operands[1].reg;
9926 reject_bad_reg (Rd);
9927 reject_bad_reg (Rn);
9929 constraint (inst.operands[2].imm + inst.operands[3].imm > 32,
9930 _("bit-field extends past end of register"));
9931 inst.instruction |= Rd << 8;
9932 inst.instruction |= Rn << 16;
9933 inst.instruction |= (inst.operands[2].imm & 0x1c) << 10;
9934 inst.instruction |= (inst.operands[2].imm & 0x03) << 6;
9935 inst.instruction |= inst.operands[3].imm - 1;
9938 /* ARM V5 Thumb BLX (argument parse)
9939 BLX <target_addr> which is BLX(1)
9940 BLX <Rm> which is BLX(2)
9941 Unfortunately, there are two different opcodes for this mnemonic.
9942 So, the insns[].value is not used, and the code here zaps values
9943 into inst.instruction.
9945 ??? How to take advantage of the additional two bits of displacement
9946 available in Thumb32 mode? Need new relocation? */
9951 set_it_insn_type_last ();
9953 if (inst.operands[0].isreg)
9955 constraint (inst.operands[0].reg == REG_PC, BAD_PC);
9956 /* We have a register, so this is BLX(2). */
9957 inst.instruction |= inst.operands[0].reg << 3;
9961 /* No register. This must be BLX(1). */
9962 inst.instruction = 0xf000e800;
9963 encode_branch (BFD_RELOC_THUMB_PCREL_BLX);
9975 set_it_insn_type (IF_INSIDE_IT_LAST_INSN);
9979 /* Conditional branches inside IT blocks are encoded as unconditional
9986 if (cond != COND_ALWAYS)
9987 opcode = T_MNEM_bcond;
9989 opcode = inst.instruction;
9992 && (inst.size_req == 4
9993 || (inst.size_req != 2
9994 && (inst.operands[0].hasreloc
9995 || inst.reloc.exp.X_op == O_constant))))
9997 inst.instruction = THUMB_OP32(opcode);
9998 if (cond == COND_ALWAYS)
9999 reloc = BFD_RELOC_THUMB_PCREL_BRANCH25;
10002 gas_assert (cond != 0xF);
10003 inst.instruction |= cond << 22;
10004 reloc = BFD_RELOC_THUMB_PCREL_BRANCH20;
10009 inst.instruction = THUMB_OP16(opcode);
10010 if (cond == COND_ALWAYS)
10011 reloc = BFD_RELOC_THUMB_PCREL_BRANCH12;
10014 inst.instruction |= cond << 8;
10015 reloc = BFD_RELOC_THUMB_PCREL_BRANCH9;
10017 /* Allow section relaxation. */
10018 if (unified_syntax && inst.size_req != 2)
10019 inst.relax = opcode;
10021 inst.reloc.type = reloc;
10022 inst.reloc.pc_rel = 1;
10028 constraint (inst.cond != COND_ALWAYS,
10029 _("instruction is always unconditional"));
10030 if (inst.operands[0].present)
10032 constraint (inst.operands[0].imm > 255,
10033 _("immediate value out of range"));
10034 inst.instruction |= inst.operands[0].imm;
10035 set_it_insn_type (NEUTRAL_IT_INSN);
10040 do_t_branch23 (void)
10042 set_it_insn_type_last ();
10043 encode_branch (BFD_RELOC_THUMB_PCREL_BRANCH23);
10045 /* md_apply_fix blows up with 'bl foo(PLT)' where foo is defined in
10046 this file. We used to simply ignore the PLT reloc type here --
10047 the branch encoding is now needed to deal with TLSCALL relocs.
10048 So if we see a PLT reloc now, put it back to how it used to be to
10049 keep the preexisting behaviour. */
10050 if (inst.reloc.type == BFD_RELOC_ARM_PLT32)
10051 inst.reloc.type = BFD_RELOC_THUMB_PCREL_BRANCH23;
10053 #if defined(OBJ_COFF)
10054 /* If the destination of the branch is a defined symbol which does not have
10055 the THUMB_FUNC attribute, then we must be calling a function which has
10056 the (interfacearm) attribute. We look for the Thumb entry point to that
10057 function and change the branch to refer to that function instead. */
10058 if ( inst.reloc.exp.X_op == O_symbol
10059 && inst.reloc.exp.X_add_symbol != NULL
10060 && S_IS_DEFINED (inst.reloc.exp.X_add_symbol)
10061 && ! THUMB_IS_FUNC (inst.reloc.exp.X_add_symbol))
10062 inst.reloc.exp.X_add_symbol =
10063 find_real_start (inst.reloc.exp.X_add_symbol);
10070 set_it_insn_type_last ();
10071 inst.instruction |= inst.operands[0].reg << 3;
10072 /* ??? FIXME: Should add a hacky reloc here if reg is REG_PC. The reloc
10073 should cause the alignment to be checked once it is known. This is
10074 because BX PC only works if the instruction is word aligned. */
10082 set_it_insn_type_last ();
10083 Rm = inst.operands[0].reg;
10084 reject_bad_reg (Rm);
10085 inst.instruction |= Rm << 16;
10094 Rd = inst.operands[0].reg;
10095 Rm = inst.operands[1].reg;
10097 reject_bad_reg (Rd);
10098 reject_bad_reg (Rm);
10100 inst.instruction |= Rd << 8;
10101 inst.instruction |= Rm << 16;
10102 inst.instruction |= Rm;
10108 set_it_insn_type (OUTSIDE_IT_INSN);
10109 inst.instruction |= inst.operands[0].imm;
10115 set_it_insn_type (OUTSIDE_IT_INSN);
10117 && (inst.operands[1].present || inst.size_req == 4)
10118 && ARM_CPU_HAS_FEATURE (cpu_variant, arm_ext_v6_notm))
10120 unsigned int imod = (inst.instruction & 0x0030) >> 4;
10121 inst.instruction = 0xf3af8000;
10122 inst.instruction |= imod << 9;
10123 inst.instruction |= inst.operands[0].imm << 5;
10124 if (inst.operands[1].present)
10125 inst.instruction |= 0x100 | inst.operands[1].imm;
10129 constraint (!ARM_CPU_HAS_FEATURE (cpu_variant, arm_ext_v1)
10130 && (inst.operands[0].imm & 4),
10131 _("selected processor does not support 'A' form "
10132 "of this instruction"));
10133 constraint (inst.operands[1].present || inst.size_req == 4,
10134 _("Thumb does not support the 2-argument "
10135 "form of this instruction"));
10136 inst.instruction |= inst.operands[0].imm;
10140 /* THUMB CPY instruction (argument parse). */
10145 if (inst.size_req == 4)
10147 inst.instruction = THUMB_OP32 (T_MNEM_mov);
10148 inst.instruction |= inst.operands[0].reg << 8;
10149 inst.instruction |= inst.operands[1].reg;
10153 inst.instruction |= (inst.operands[0].reg & 0x8) << 4;
10154 inst.instruction |= (inst.operands[0].reg & 0x7);
10155 inst.instruction |= inst.operands[1].reg << 3;
10162 set_it_insn_type (OUTSIDE_IT_INSN);
10163 constraint (inst.operands[0].reg > 7, BAD_HIREG);
10164 inst.instruction |= inst.operands[0].reg;
10165 inst.reloc.pc_rel = 1;
10166 inst.reloc.type = BFD_RELOC_THUMB_PCREL_BRANCH7;
10172 inst.instruction |= inst.operands[0].imm;
10178 unsigned Rd, Rn, Rm;
10180 Rd = inst.operands[0].reg;
10181 Rn = (inst.operands[1].present
10182 ? inst.operands[1].reg : Rd);
10183 Rm = inst.operands[2].reg;
10185 reject_bad_reg (Rd);
10186 reject_bad_reg (Rn);
10187 reject_bad_reg (Rm);
10189 inst.instruction |= Rd << 8;
10190 inst.instruction |= Rn << 16;
10191 inst.instruction |= Rm;
10197 if (unified_syntax && inst.size_req == 4)
10198 inst.instruction = THUMB_OP32 (inst.instruction);
10200 inst.instruction = THUMB_OP16 (inst.instruction);
10206 unsigned int cond = inst.operands[0].imm;
10208 set_it_insn_type (IT_INSN);
10209 now_it.mask = (inst.instruction & 0xf) | 0x10;
10212 /* If the condition is a negative condition, invert the mask. */
10213 if ((cond & 0x1) == 0x0)
10215 unsigned int mask = inst.instruction & 0x000f;
10217 if ((mask & 0x7) == 0)
10218 /* no conversion needed */;
10219 else if ((mask & 0x3) == 0)
10221 else if ((mask & 0x1) == 0)
10226 inst.instruction &= 0xfff0;
10227 inst.instruction |= mask;
10230 inst.instruction |= cond << 4;
10233 /* Helper function used for both push/pop and ldm/stm. */
10235 encode_thumb2_ldmstm (int base, unsigned mask, bfd_boolean writeback)
10239 load = (inst.instruction & (1 << 20)) != 0;
10241 if (mask & (1 << 13))
10242 inst.error = _("SP not allowed in register list");
10244 if ((mask & (1 << base)) != 0
10246 inst.error = _("having the base register in the register list when "
10247 "using write back is UNPREDICTABLE");
10251 if (mask & (1 << 15))
10253 if (mask & (1 << 14))
10254 inst.error = _("LR and PC should not both be in register list");
10256 set_it_insn_type_last ();
10261 if (mask & (1 << 15))
10262 inst.error = _("PC not allowed in register list");
10265 if ((mask & (mask - 1)) == 0)
10267 /* Single register transfers implemented as str/ldr. */
10270 if (inst.instruction & (1 << 23))
10271 inst.instruction = 0x00000b04; /* ia! -> [base], #4 */
10273 inst.instruction = 0x00000d04; /* db! -> [base, #-4]! */
10277 if (inst.instruction & (1 << 23))
10278 inst.instruction = 0x00800000; /* ia -> [base] */
10280 inst.instruction = 0x00000c04; /* db -> [base, #-4] */
10283 inst.instruction |= 0xf8400000;
10285 inst.instruction |= 0x00100000;
10287 mask = ffs (mask) - 1;
10290 else if (writeback)
10291 inst.instruction |= WRITE_BACK;
10293 inst.instruction |= mask;
10294 inst.instruction |= base << 16;
10300 /* This really doesn't seem worth it. */
10301 constraint (inst.reloc.type != BFD_RELOC_UNUSED,
10302 _("expression too complex"));
10303 constraint (inst.operands[1].writeback,
10304 _("Thumb load/store multiple does not support {reglist}^"));
10306 if (unified_syntax)
10308 bfd_boolean narrow;
10312 /* See if we can use a 16-bit instruction. */
10313 if (inst.instruction < 0xffff /* not ldmdb/stmdb */
10314 && inst.size_req != 4
10315 && !(inst.operands[1].imm & ~0xff))
10317 mask = 1 << inst.operands[0].reg;
10319 if (inst.operands[0].reg <= 7)
10321 if (inst.instruction == T_MNEM_stmia
10322 ? inst.operands[0].writeback
10323 : (inst.operands[0].writeback
10324 == !(inst.operands[1].imm & mask)))
10326 if (inst.instruction == T_MNEM_stmia
10327 && (inst.operands[1].imm & mask)
10328 && (inst.operands[1].imm & (mask - 1)))
10329 as_warn (_("value stored for r%d is UNKNOWN"),
10330 inst.operands[0].reg);
10332 inst.instruction = THUMB_OP16 (inst.instruction);
10333 inst.instruction |= inst.operands[0].reg << 8;
10334 inst.instruction |= inst.operands[1].imm;
10337 else if ((inst.operands[1].imm & (inst.operands[1].imm-1)) == 0)
10339 /* This means 1 register in reg list one of 3 situations:
10340 1. Instruction is stmia, but without writeback.
10341 2. lmdia without writeback, but with Rn not in
10343 3. ldmia with writeback, but with Rn in reglist.
10344 Case 3 is UNPREDICTABLE behaviour, so we handle
10345 case 1 and 2 which can be converted into a 16-bit
10346 str or ldr. The SP cases are handled below. */
10347 unsigned long opcode;
10348 /* First, record an error for Case 3. */
10349 if (inst.operands[1].imm & mask
10350 && inst.operands[0].writeback)
10352 _("having the base register in the register list when "
10353 "using write back is UNPREDICTABLE");
10355 opcode = (inst.instruction == T_MNEM_stmia ? T_MNEM_str
10357 inst.instruction = THUMB_OP16 (opcode);
10358 inst.instruction |= inst.operands[0].reg << 3;
10359 inst.instruction |= (ffs (inst.operands[1].imm)-1);
10363 else if (inst.operands[0] .reg == REG_SP)
10365 if (inst.operands[0].writeback)
10368 THUMB_OP16 (inst.instruction == T_MNEM_stmia
10369 ? T_MNEM_push : T_MNEM_pop);
10370 inst.instruction |= inst.operands[1].imm;
10373 else if ((inst.operands[1].imm & (inst.operands[1].imm-1)) == 0)
10376 THUMB_OP16 (inst.instruction == T_MNEM_stmia
10377 ? T_MNEM_str_sp : T_MNEM_ldr_sp);
10378 inst.instruction |= ((ffs (inst.operands[1].imm)-1) << 8);
10386 if (inst.instruction < 0xffff)
10387 inst.instruction = THUMB_OP32 (inst.instruction);
10389 encode_thumb2_ldmstm (inst.operands[0].reg, inst.operands[1].imm,
10390 inst.operands[0].writeback);
10395 constraint (inst.operands[0].reg > 7
10396 || (inst.operands[1].imm & ~0xff), BAD_HIREG);
10397 constraint (inst.instruction != T_MNEM_ldmia
10398 && inst.instruction != T_MNEM_stmia,
10399 _("Thumb-2 instruction only valid in unified syntax"));
10400 if (inst.instruction == T_MNEM_stmia)
10402 if (!inst.operands[0].writeback)
10403 as_warn (_("this instruction will write back the base register"));
10404 if ((inst.operands[1].imm & (1 << inst.operands[0].reg))
10405 && (inst.operands[1].imm & ((1 << inst.operands[0].reg) - 1)))
10406 as_warn (_("value stored for r%d is UNKNOWN"),
10407 inst.operands[0].reg);
10411 if (!inst.operands[0].writeback
10412 && !(inst.operands[1].imm & (1 << inst.operands[0].reg)))
10413 as_warn (_("this instruction will write back the base register"));
10414 else if (inst.operands[0].writeback
10415 && (inst.operands[1].imm & (1 << inst.operands[0].reg)))
10416 as_warn (_("this instruction will not write back the base register"));
10419 inst.instruction = THUMB_OP16 (inst.instruction);
10420 inst.instruction |= inst.operands[0].reg << 8;
10421 inst.instruction |= inst.operands[1].imm;
10428 constraint (!inst.operands[1].isreg || !inst.operands[1].preind
10429 || inst.operands[1].postind || inst.operands[1].writeback
10430 || inst.operands[1].immisreg || inst.operands[1].shifted
10431 || inst.operands[1].negative,
10434 constraint ((inst.operands[1].reg == REG_PC), BAD_PC);
10436 inst.instruction |= inst.operands[0].reg << 12;
10437 inst.instruction |= inst.operands[1].reg << 16;
10438 inst.reloc.type = BFD_RELOC_ARM_T32_OFFSET_U8;
10444 if (!inst.operands[1].present)
10446 constraint (inst.operands[0].reg == REG_LR,
10447 _("r14 not allowed as first register "
10448 "when second register is omitted"));
10449 inst.operands[1].reg = inst.operands[0].reg + 1;
10451 constraint (inst.operands[0].reg == inst.operands[1].reg,
10454 inst.instruction |= inst.operands[0].reg << 12;
10455 inst.instruction |= inst.operands[1].reg << 8;
10456 inst.instruction |= inst.operands[2].reg << 16;
10462 unsigned long opcode;
10465 if (inst.operands[0].isreg
10466 && !inst.operands[0].preind
10467 && inst.operands[0].reg == REG_PC)
10468 set_it_insn_type_last ();
10470 opcode = inst.instruction;
10471 if (unified_syntax)
10473 if (!inst.operands[1].isreg)
10475 if (opcode <= 0xffff)
10476 inst.instruction = THUMB_OP32 (opcode);
10477 if (move_or_literal_pool (0, /*thumb_p=*/TRUE, /*mode_3=*/FALSE))
10480 if (inst.operands[1].isreg
10481 && !inst.operands[1].writeback
10482 && !inst.operands[1].shifted && !inst.operands[1].postind
10483 && !inst.operands[1].negative && inst.operands[0].reg <= 7
10484 && opcode <= 0xffff
10485 && inst.size_req != 4)
10487 /* Insn may have a 16-bit form. */
10488 Rn = inst.operands[1].reg;
10489 if (inst.operands[1].immisreg)
10491 inst.instruction = THUMB_OP16 (opcode);
10493 if (Rn <= 7 && inst.operands[1].imm <= 7)
10495 else if (opcode != T_MNEM_ldr && opcode != T_MNEM_str)
10496 reject_bad_reg (inst.operands[1].imm);
10498 else if ((Rn <= 7 && opcode != T_MNEM_ldrsh
10499 && opcode != T_MNEM_ldrsb)
10500 || ((Rn == REG_PC || Rn == REG_SP) && opcode == T_MNEM_ldr)
10501 || (Rn == REG_SP && opcode == T_MNEM_str))
10508 if (inst.reloc.pc_rel)
10509 opcode = T_MNEM_ldr_pc2;
10511 opcode = T_MNEM_ldr_pc;
10515 if (opcode == T_MNEM_ldr)
10516 opcode = T_MNEM_ldr_sp;
10518 opcode = T_MNEM_str_sp;
10520 inst.instruction = inst.operands[0].reg << 8;
10524 inst.instruction = inst.operands[0].reg;
10525 inst.instruction |= inst.operands[1].reg << 3;
10527 inst.instruction |= THUMB_OP16 (opcode);
10528 if (inst.size_req == 2)
10529 inst.reloc.type = BFD_RELOC_ARM_THUMB_OFFSET;
10531 inst.relax = opcode;
10535 /* Definitely a 32-bit variant. */
10537 /* Warning for Erratum 752419. */
10538 if (opcode == T_MNEM_ldr
10539 && inst.operands[0].reg == REG_SP
10540 && inst.operands[1].writeback == 1
10541 && !inst.operands[1].immisreg)
10543 if (no_cpu_selected ()
10544 || (ARM_CPU_HAS_FEATURE (cpu_variant, arm_ext_v7)
10545 && !ARM_CPU_HAS_FEATURE (cpu_variant, arm_ext_v7a)
10546 && !ARM_CPU_HAS_FEATURE (cpu_variant, arm_ext_v7r)))
10547 as_warn (_("This instruction may be unpredictable "
10548 "if executed on M-profile cores "
10549 "with interrupts enabled."));
10552 /* Do some validations regarding addressing modes. */
10553 if (inst.operands[1].immisreg)
10554 reject_bad_reg (inst.operands[1].imm);
10556 constraint (inst.operands[1].writeback == 1
10557 && inst.operands[0].reg == inst.operands[1].reg,
10560 inst.instruction = THUMB_OP32 (opcode);
10561 inst.instruction |= inst.operands[0].reg << 12;
10562 encode_thumb32_addr_mode (1, /*is_t=*/FALSE, /*is_d=*/FALSE);
10563 check_ldr_r15_aligned ();
10567 constraint (inst.operands[0].reg > 7, BAD_HIREG);
10569 if (inst.instruction == T_MNEM_ldrsh || inst.instruction == T_MNEM_ldrsb)
10571 /* Only [Rn,Rm] is acceptable. */
10572 constraint (inst.operands[1].reg > 7 || inst.operands[1].imm > 7, BAD_HIREG);
10573 constraint (!inst.operands[1].isreg || !inst.operands[1].immisreg
10574 || inst.operands[1].postind || inst.operands[1].shifted
10575 || inst.operands[1].negative,
10576 _("Thumb does not support this addressing mode"));
10577 inst.instruction = THUMB_OP16 (inst.instruction);
10581 inst.instruction = THUMB_OP16 (inst.instruction);
10582 if (!inst.operands[1].isreg)
10583 if (move_or_literal_pool (0, /*thumb_p=*/TRUE, /*mode_3=*/FALSE))
10586 constraint (!inst.operands[1].preind
10587 || inst.operands[1].shifted
10588 || inst.operands[1].writeback,
10589 _("Thumb does not support this addressing mode"));
10590 if (inst.operands[1].reg == REG_PC || inst.operands[1].reg == REG_SP)
10592 constraint (inst.instruction & 0x0600,
10593 _("byte or halfword not valid for base register"));
10594 constraint (inst.operands[1].reg == REG_PC
10595 && !(inst.instruction & THUMB_LOAD_BIT),
10596 _("r15 based store not allowed"));
10597 constraint (inst.operands[1].immisreg,
10598 _("invalid base register for register offset"));
10600 if (inst.operands[1].reg == REG_PC)
10601 inst.instruction = T_OPCODE_LDR_PC;
10602 else if (inst.instruction & THUMB_LOAD_BIT)
10603 inst.instruction = T_OPCODE_LDR_SP;
10605 inst.instruction = T_OPCODE_STR_SP;
10607 inst.instruction |= inst.operands[0].reg << 8;
10608 inst.reloc.type = BFD_RELOC_ARM_THUMB_OFFSET;
10612 constraint (inst.operands[1].reg > 7, BAD_HIREG);
10613 if (!inst.operands[1].immisreg)
10615 /* Immediate offset. */
10616 inst.instruction |= inst.operands[0].reg;
10617 inst.instruction |= inst.operands[1].reg << 3;
10618 inst.reloc.type = BFD_RELOC_ARM_THUMB_OFFSET;
10622 /* Register offset. */
10623 constraint (inst.operands[1].imm > 7, BAD_HIREG);
10624 constraint (inst.operands[1].negative,
10625 _("Thumb does not support this addressing mode"));
10628 switch (inst.instruction)
10630 case T_OPCODE_STR_IW: inst.instruction = T_OPCODE_STR_RW; break;
10631 case T_OPCODE_STR_IH: inst.instruction = T_OPCODE_STR_RH; break;
10632 case T_OPCODE_STR_IB: inst.instruction = T_OPCODE_STR_RB; break;
10633 case T_OPCODE_LDR_IW: inst.instruction = T_OPCODE_LDR_RW; break;
10634 case T_OPCODE_LDR_IH: inst.instruction = T_OPCODE_LDR_RH; break;
10635 case T_OPCODE_LDR_IB: inst.instruction = T_OPCODE_LDR_RB; break;
10636 case 0x5600 /* ldrsb */:
10637 case 0x5e00 /* ldrsh */: break;
10641 inst.instruction |= inst.operands[0].reg;
10642 inst.instruction |= inst.operands[1].reg << 3;
10643 inst.instruction |= inst.operands[1].imm << 6;
10649 if (!inst.operands[1].present)
10651 inst.operands[1].reg = inst.operands[0].reg + 1;
10652 constraint (inst.operands[0].reg == REG_LR,
10653 _("r14 not allowed here"));
10655 inst.instruction |= inst.operands[0].reg << 12;
10656 inst.instruction |= inst.operands[1].reg << 8;
10657 encode_thumb32_addr_mode (2, /*is_t=*/FALSE, /*is_d=*/TRUE);
10663 inst.instruction |= inst.operands[0].reg << 12;
10664 encode_thumb32_addr_mode (1, /*is_t=*/TRUE, /*is_d=*/FALSE);
10670 unsigned Rd, Rn, Rm, Ra;
10672 Rd = inst.operands[0].reg;
10673 Rn = inst.operands[1].reg;
10674 Rm = inst.operands[2].reg;
10675 Ra = inst.operands[3].reg;
10677 reject_bad_reg (Rd);
10678 reject_bad_reg (Rn);
10679 reject_bad_reg (Rm);
10680 reject_bad_reg (Ra);
10682 inst.instruction |= Rd << 8;
10683 inst.instruction |= Rn << 16;
10684 inst.instruction |= Rm;
10685 inst.instruction |= Ra << 12;
10691 unsigned RdLo, RdHi, Rn, Rm;
10693 RdLo = inst.operands[0].reg;
10694 RdHi = inst.operands[1].reg;
10695 Rn = inst.operands[2].reg;
10696 Rm = inst.operands[3].reg;
10698 reject_bad_reg (RdLo);
10699 reject_bad_reg (RdHi);
10700 reject_bad_reg (Rn);
10701 reject_bad_reg (Rm);
10703 inst.instruction |= RdLo << 12;
10704 inst.instruction |= RdHi << 8;
10705 inst.instruction |= Rn << 16;
10706 inst.instruction |= Rm;
10710 do_t_mov_cmp (void)
10714 Rn = inst.operands[0].reg;
10715 Rm = inst.operands[1].reg;
10718 set_it_insn_type_last ();
10720 if (unified_syntax)
10722 int r0off = (inst.instruction == T_MNEM_mov
10723 || inst.instruction == T_MNEM_movs) ? 8 : 16;
10724 unsigned long opcode;
10725 bfd_boolean narrow;
10726 bfd_boolean low_regs;
10728 low_regs = (Rn <= 7 && Rm <= 7);
10729 opcode = inst.instruction;
10730 if (in_it_block ())
10731 narrow = opcode != T_MNEM_movs;
10733 narrow = opcode != T_MNEM_movs || low_regs;
10734 if (inst.size_req == 4
10735 || inst.operands[1].shifted)
10738 /* MOVS PC, LR is encoded as SUBS PC, LR, #0. */
10739 if (opcode == T_MNEM_movs && inst.operands[1].isreg
10740 && !inst.operands[1].shifted
10744 inst.instruction = T2_SUBS_PC_LR;
10748 if (opcode == T_MNEM_cmp)
10750 constraint (Rn == REG_PC, BAD_PC);
10753 /* In the Thumb-2 ISA, use of R13 as Rm is deprecated,
10755 warn_deprecated_sp (Rm);
10756 /* R15 was documented as a valid choice for Rm in ARMv6,
10757 but as UNPREDICTABLE in ARMv7. ARM's proprietary
10758 tools reject R15, so we do too. */
10759 constraint (Rm == REG_PC, BAD_PC);
10762 reject_bad_reg (Rm);
10764 else if (opcode == T_MNEM_mov
10765 || opcode == T_MNEM_movs)
10767 if (inst.operands[1].isreg)
10769 if (opcode == T_MNEM_movs)
10771 reject_bad_reg (Rn);
10772 reject_bad_reg (Rm);
10776 /* This is mov.n. */
10777 if ((Rn == REG_SP || Rn == REG_PC)
10778 && (Rm == REG_SP || Rm == REG_PC))
10780 as_warn (_("Use of r%u as a source register is "
10781 "deprecated when r%u is the destination "
10782 "register."), Rm, Rn);
10787 /* This is mov.w. */
10788 constraint (Rn == REG_PC, BAD_PC);
10789 constraint (Rm == REG_PC, BAD_PC);
10790 constraint (Rn == REG_SP && Rm == REG_SP, BAD_SP);
10794 reject_bad_reg (Rn);
10797 if (!inst.operands[1].isreg)
10799 /* Immediate operand. */
10800 if (!in_it_block () && opcode == T_MNEM_mov)
10802 if (low_regs && narrow)
10804 inst.instruction = THUMB_OP16 (opcode);
10805 inst.instruction |= Rn << 8;
10806 if (inst.size_req == 2)
10807 inst.reloc.type = BFD_RELOC_ARM_THUMB_IMM;
10809 inst.relax = opcode;
10813 inst.instruction = THUMB_OP32 (inst.instruction);
10814 inst.instruction = (inst.instruction & 0xe1ffffff) | 0x10000000;
10815 inst.instruction |= Rn << r0off;
10816 inst.reloc.type = BFD_RELOC_ARM_T32_IMMEDIATE;
10819 else if (inst.operands[1].shifted && inst.operands[1].immisreg
10820 && (inst.instruction == T_MNEM_mov
10821 || inst.instruction == T_MNEM_movs))
10823 /* Register shifts are encoded as separate shift instructions. */
10824 bfd_boolean flags = (inst.instruction == T_MNEM_movs);
10826 if (in_it_block ())
10831 if (inst.size_req == 4)
10834 if (!low_regs || inst.operands[1].imm > 7)
10840 switch (inst.operands[1].shift_kind)
10843 opcode = narrow ? T_OPCODE_LSL_R : THUMB_OP32 (T_MNEM_lsl);
10846 opcode = narrow ? T_OPCODE_ASR_R : THUMB_OP32 (T_MNEM_asr);
10849 opcode = narrow ? T_OPCODE_LSR_R : THUMB_OP32 (T_MNEM_lsr);
10852 opcode = narrow ? T_OPCODE_ROR_R : THUMB_OP32 (T_MNEM_ror);
10858 inst.instruction = opcode;
10861 inst.instruction |= Rn;
10862 inst.instruction |= inst.operands[1].imm << 3;
10867 inst.instruction |= CONDS_BIT;
10869 inst.instruction |= Rn << 8;
10870 inst.instruction |= Rm << 16;
10871 inst.instruction |= inst.operands[1].imm;
10876 /* Some mov with immediate shift have narrow variants.
10877 Register shifts are handled above. */
10878 if (low_regs && inst.operands[1].shifted
10879 && (inst.instruction == T_MNEM_mov
10880 || inst.instruction == T_MNEM_movs))
10882 if (in_it_block ())
10883 narrow = (inst.instruction == T_MNEM_mov);
10885 narrow = (inst.instruction == T_MNEM_movs);
10890 switch (inst.operands[1].shift_kind)
10892 case SHIFT_LSL: inst.instruction = T_OPCODE_LSL_I; break;
10893 case SHIFT_LSR: inst.instruction = T_OPCODE_LSR_I; break;
10894 case SHIFT_ASR: inst.instruction = T_OPCODE_ASR_I; break;
10895 default: narrow = FALSE; break;
10901 inst.instruction |= Rn;
10902 inst.instruction |= Rm << 3;
10903 inst.reloc.type = BFD_RELOC_ARM_THUMB_SHIFT;
10907 inst.instruction = THUMB_OP32 (inst.instruction);
10908 inst.instruction |= Rn << r0off;
10909 encode_thumb32_shifted_operand (1);
10913 switch (inst.instruction)
10916 /* In v4t or v5t a move of two lowregs produces unpredictable
10917 results. Don't allow this.*/
10918 constraint (low_regs && !ARM_CPU_HAS_FEATURE (selected_cpu,
10919 arm_ext_v6),"MOV Rd, Rs with two low registers is not "
10920 "permitted on this architecture");
10921 inst.instruction = T_OPCODE_MOV_HR;
10922 inst.instruction |= (Rn & 0x8) << 4;
10923 inst.instruction |= (Rn & 0x7);
10924 inst.instruction |= Rm << 3;
10928 /* We know we have low registers at this point.
10929 Generate LSLS Rd, Rs, #0. */
10930 inst.instruction = T_OPCODE_LSL_I;
10931 inst.instruction |= Rn;
10932 inst.instruction |= Rm << 3;
10938 inst.instruction = T_OPCODE_CMP_LR;
10939 inst.instruction |= Rn;
10940 inst.instruction |= Rm << 3;
10944 inst.instruction = T_OPCODE_CMP_HR;
10945 inst.instruction |= (Rn & 0x8) << 4;
10946 inst.instruction |= (Rn & 0x7);
10947 inst.instruction |= Rm << 3;
10954 inst.instruction = THUMB_OP16 (inst.instruction);
10956 /* PR 10443: Do not silently ignore shifted operands. */
10957 constraint (inst.operands[1].shifted,
10958 _("shifts in CMP/MOV instructions are only supported in unified syntax"));
10960 if (inst.operands[1].isreg)
10962 if (Rn < 8 && Rm < 8)
10964 /* A move of two lowregs is encoded as ADD Rd, Rs, #0
10965 since a MOV instruction produces unpredictable results. */
10966 if (inst.instruction == T_OPCODE_MOV_I8)
10967 inst.instruction = T_OPCODE_ADD_I3;
10969 inst.instruction = T_OPCODE_CMP_LR;
10971 inst.instruction |= Rn;
10972 inst.instruction |= Rm << 3;
10976 if (inst.instruction == T_OPCODE_MOV_I8)
10977 inst.instruction = T_OPCODE_MOV_HR;
10979 inst.instruction = T_OPCODE_CMP_HR;
10985 constraint (Rn > 7,
10986 _("only lo regs allowed with immediate"));
10987 inst.instruction |= Rn << 8;
10988 inst.reloc.type = BFD_RELOC_ARM_THUMB_IMM;
10999 top = (inst.instruction & 0x00800000) != 0;
11000 if (inst.reloc.type == BFD_RELOC_ARM_MOVW)
11002 constraint (top, _(":lower16: not allowed this instruction"));
11003 inst.reloc.type = BFD_RELOC_ARM_THUMB_MOVW;
11005 else if (inst.reloc.type == BFD_RELOC_ARM_MOVT)
11007 constraint (!top, _(":upper16: not allowed this instruction"));
11008 inst.reloc.type = BFD_RELOC_ARM_THUMB_MOVT;
11011 Rd = inst.operands[0].reg;
11012 reject_bad_reg (Rd);
11014 inst.instruction |= Rd << 8;
11015 if (inst.reloc.type == BFD_RELOC_UNUSED)
11017 imm = inst.reloc.exp.X_add_number;
11018 inst.instruction |= (imm & 0xf000) << 4;
11019 inst.instruction |= (imm & 0x0800) << 15;
11020 inst.instruction |= (imm & 0x0700) << 4;
11021 inst.instruction |= (imm & 0x00ff);
11026 do_t_mvn_tst (void)
11030 Rn = inst.operands[0].reg;
11031 Rm = inst.operands[1].reg;
11033 if (inst.instruction == T_MNEM_cmp
11034 || inst.instruction == T_MNEM_cmn)
11035 constraint (Rn == REG_PC, BAD_PC);
11037 reject_bad_reg (Rn);
11038 reject_bad_reg (Rm);
11040 if (unified_syntax)
11042 int r0off = (inst.instruction == T_MNEM_mvn
11043 || inst.instruction == T_MNEM_mvns) ? 8 : 16;
11044 bfd_boolean narrow;
11046 if (inst.size_req == 4
11047 || inst.instruction > 0xffff
11048 || inst.operands[1].shifted
11049 || Rn > 7 || Rm > 7)
11051 else if (inst.instruction == T_MNEM_cmn)
11053 else if (THUMB_SETS_FLAGS (inst.instruction))
11054 narrow = !in_it_block ();
11056 narrow = in_it_block ();
11058 if (!inst.operands[1].isreg)
11060 /* For an immediate, we always generate a 32-bit opcode;
11061 section relaxation will shrink it later if possible. */
11062 if (inst.instruction < 0xffff)
11063 inst.instruction = THUMB_OP32 (inst.instruction);
11064 inst.instruction = (inst.instruction & 0xe1ffffff) | 0x10000000;
11065 inst.instruction |= Rn << r0off;
11066 inst.reloc.type = BFD_RELOC_ARM_T32_IMMEDIATE;
11070 /* See if we can do this with a 16-bit instruction. */
11073 inst.instruction = THUMB_OP16 (inst.instruction);
11074 inst.instruction |= Rn;
11075 inst.instruction |= Rm << 3;
11079 constraint (inst.operands[1].shifted
11080 && inst.operands[1].immisreg,
11081 _("shift must be constant"));
11082 if (inst.instruction < 0xffff)
11083 inst.instruction = THUMB_OP32 (inst.instruction);
11084 inst.instruction |= Rn << r0off;
11085 encode_thumb32_shifted_operand (1);
11091 constraint (inst.instruction > 0xffff
11092 || inst.instruction == T_MNEM_mvns, BAD_THUMB32);
11093 constraint (!inst.operands[1].isreg || inst.operands[1].shifted,
11094 _("unshifted register required"));
11095 constraint (Rn > 7 || Rm > 7,
11098 inst.instruction = THUMB_OP16 (inst.instruction);
11099 inst.instruction |= Rn;
11100 inst.instruction |= Rm << 3;
11109 if (do_vfp_nsyn_mrs () == SUCCESS)
11112 Rd = inst.operands[0].reg;
11113 reject_bad_reg (Rd);
11114 inst.instruction |= Rd << 8;
11116 if (inst.operands[1].isreg)
11118 unsigned br = inst.operands[1].reg;
11119 if (((br & 0x200) == 0) && ((br & 0xf000) != 0xf000))
11120 as_bad (_("bad register for mrs"));
11122 inst.instruction |= br & (0xf << 16);
11123 inst.instruction |= (br & 0x300) >> 4;
11124 inst.instruction |= (br & SPSR_BIT) >> 2;
11128 int flags = inst.operands[1].imm & (PSR_c|PSR_x|PSR_s|PSR_f|SPSR_BIT);
11130 if (ARM_CPU_HAS_FEATURE (selected_cpu, arm_ext_m))
11131 constraint (flags != 0, _("selected processor does not support "
11132 "requested special purpose register"));
11134 /* mrs only accepts APSR/CPSR/SPSR/CPSR_all/SPSR_all (for non-M profile
11136 constraint ((flags & ~SPSR_BIT) != (PSR_c|PSR_f),
11137 _("'APSR', 'CPSR' or 'SPSR' expected"));
11139 inst.instruction |= (flags & SPSR_BIT) >> 2;
11140 inst.instruction |= inst.operands[1].imm & 0xff;
11141 inst.instruction |= 0xf0000;
11151 if (do_vfp_nsyn_msr () == SUCCESS)
11154 constraint (!inst.operands[1].isreg,
11155 _("Thumb encoding does not support an immediate here"));
11157 if (inst.operands[0].isreg)
11158 flags = (int)(inst.operands[0].reg);
11160 flags = inst.operands[0].imm;
11162 if (ARM_CPU_HAS_FEATURE (selected_cpu, arm_ext_m))
11164 int bits = inst.operands[0].imm & (PSR_c|PSR_x|PSR_s|PSR_f|SPSR_BIT);
11166 constraint ((ARM_CPU_HAS_FEATURE (selected_cpu, arm_ext_v6_dsp)
11167 && (bits & ~(PSR_s | PSR_f)) != 0)
11168 || (!ARM_CPU_HAS_FEATURE (selected_cpu, arm_ext_v6_dsp)
11170 _("selected processor does not support requested special "
11171 "purpose register"));
11174 constraint ((flags & 0xff) != 0, _("selected processor does not support "
11175 "requested special purpose register"));
11177 Rn = inst.operands[1].reg;
11178 reject_bad_reg (Rn);
11180 inst.instruction |= (flags & SPSR_BIT) >> 2;
11181 inst.instruction |= (flags & 0xf0000) >> 8;
11182 inst.instruction |= (flags & 0x300) >> 4;
11183 inst.instruction |= (flags & 0xff);
11184 inst.instruction |= Rn << 16;
11190 bfd_boolean narrow;
11191 unsigned Rd, Rn, Rm;
11193 if (!inst.operands[2].present)
11194 inst.operands[2].reg = inst.operands[0].reg;
11196 Rd = inst.operands[0].reg;
11197 Rn = inst.operands[1].reg;
11198 Rm = inst.operands[2].reg;
11200 if (unified_syntax)
11202 if (inst.size_req == 4
11208 else if (inst.instruction == T_MNEM_muls)
11209 narrow = !in_it_block ();
11211 narrow = in_it_block ();
11215 constraint (inst.instruction == T_MNEM_muls, BAD_THUMB32);
11216 constraint (Rn > 7 || Rm > 7,
11223 /* 16-bit MULS/Conditional MUL. */
11224 inst.instruction = THUMB_OP16 (inst.instruction);
11225 inst.instruction |= Rd;
11228 inst.instruction |= Rm << 3;
11230 inst.instruction |= Rn << 3;
11232 constraint (1, _("dest must overlap one source register"));
11236 constraint (inst.instruction != T_MNEM_mul,
11237 _("Thumb-2 MUL must not set flags"));
11239 inst.instruction = THUMB_OP32 (inst.instruction);
11240 inst.instruction |= Rd << 8;
11241 inst.instruction |= Rn << 16;
11242 inst.instruction |= Rm << 0;
11244 reject_bad_reg (Rd);
11245 reject_bad_reg (Rn);
11246 reject_bad_reg (Rm);
11253 unsigned RdLo, RdHi, Rn, Rm;
11255 RdLo = inst.operands[0].reg;
11256 RdHi = inst.operands[1].reg;
11257 Rn = inst.operands[2].reg;
11258 Rm = inst.operands[3].reg;
11260 reject_bad_reg (RdLo);
11261 reject_bad_reg (RdHi);
11262 reject_bad_reg (Rn);
11263 reject_bad_reg (Rm);
11265 inst.instruction |= RdLo << 12;
11266 inst.instruction |= RdHi << 8;
11267 inst.instruction |= Rn << 16;
11268 inst.instruction |= Rm;
11271 as_tsktsk (_("rdhi and rdlo must be different"));
11277 set_it_insn_type (NEUTRAL_IT_INSN);
11279 if (unified_syntax)
11281 if (inst.size_req == 4 || inst.operands[0].imm > 15)
11283 inst.instruction = THUMB_OP32 (inst.instruction);
11284 inst.instruction |= inst.operands[0].imm;
11288 /* PR9722: Check for Thumb2 availability before
11289 generating a thumb2 nop instruction. */
11290 if (ARM_CPU_HAS_FEATURE (selected_cpu, arm_ext_v6t2))
11292 inst.instruction = THUMB_OP16 (inst.instruction);
11293 inst.instruction |= inst.operands[0].imm << 4;
11296 inst.instruction = 0x46c0;
11301 constraint (inst.operands[0].present,
11302 _("Thumb does not support NOP with hints"));
11303 inst.instruction = 0x46c0;
11310 if (unified_syntax)
11312 bfd_boolean narrow;
11314 if (THUMB_SETS_FLAGS (inst.instruction))
11315 narrow = !in_it_block ();
11317 narrow = in_it_block ();
11318 if (inst.operands[0].reg > 7 || inst.operands[1].reg > 7)
11320 if (inst.size_req == 4)
11325 inst.instruction = THUMB_OP32 (inst.instruction);
11326 inst.instruction |= inst.operands[0].reg << 8;
11327 inst.instruction |= inst.operands[1].reg << 16;
11331 inst.instruction = THUMB_OP16 (inst.instruction);
11332 inst.instruction |= inst.operands[0].reg;
11333 inst.instruction |= inst.operands[1].reg << 3;
11338 constraint (inst.operands[0].reg > 7 || inst.operands[1].reg > 7,
11340 constraint (THUMB_SETS_FLAGS (inst.instruction), BAD_THUMB32);
11342 inst.instruction = THUMB_OP16 (inst.instruction);
11343 inst.instruction |= inst.operands[0].reg;
11344 inst.instruction |= inst.operands[1].reg << 3;
11353 Rd = inst.operands[0].reg;
11354 Rn = inst.operands[1].present ? inst.operands[1].reg : Rd;
11356 reject_bad_reg (Rd);
11357 /* Rn == REG_SP is unpredictable; Rn == REG_PC is MVN. */
11358 reject_bad_reg (Rn);
11360 inst.instruction |= Rd << 8;
11361 inst.instruction |= Rn << 16;
11363 if (!inst.operands[2].isreg)
11365 inst.instruction = (inst.instruction & 0xe1ffffff) | 0x10000000;
11366 inst.reloc.type = BFD_RELOC_ARM_T32_IMMEDIATE;
11372 Rm = inst.operands[2].reg;
11373 reject_bad_reg (Rm);
11375 constraint (inst.operands[2].shifted
11376 && inst.operands[2].immisreg,
11377 _("shift must be constant"));
11378 encode_thumb32_shifted_operand (2);
11385 unsigned Rd, Rn, Rm;
11387 Rd = inst.operands[0].reg;
11388 Rn = inst.operands[1].reg;
11389 Rm = inst.operands[2].reg;
11391 reject_bad_reg (Rd);
11392 reject_bad_reg (Rn);
11393 reject_bad_reg (Rm);
11395 inst.instruction |= Rd << 8;
11396 inst.instruction |= Rn << 16;
11397 inst.instruction |= Rm;
11398 if (inst.operands[3].present)
11400 unsigned int val = inst.reloc.exp.X_add_number;
11401 constraint (inst.reloc.exp.X_op != O_constant,
11402 _("expression too complex"));
11403 inst.instruction |= (val & 0x1c) << 10;
11404 inst.instruction |= (val & 0x03) << 6;
11411 if (!inst.operands[3].present)
11415 inst.instruction &= ~0x00000020;
11417 /* PR 10168. Swap the Rm and Rn registers. */
11418 Rtmp = inst.operands[1].reg;
11419 inst.operands[1].reg = inst.operands[2].reg;
11420 inst.operands[2].reg = Rtmp;
11428 if (inst.operands[0].immisreg)
11429 reject_bad_reg (inst.operands[0].imm);
11431 encode_thumb32_addr_mode (0, /*is_t=*/FALSE, /*is_d=*/FALSE);
11435 do_t_push_pop (void)
11439 constraint (inst.operands[0].writeback,
11440 _("push/pop do not support {reglist}^"));
11441 constraint (inst.reloc.type != BFD_RELOC_UNUSED,
11442 _("expression too complex"));
11444 mask = inst.operands[0].imm;
11445 if ((mask & ~0xff) == 0)
11446 inst.instruction = THUMB_OP16 (inst.instruction) | mask;
11447 else if ((inst.instruction == T_MNEM_push
11448 && (mask & ~0xff) == 1 << REG_LR)
11449 || (inst.instruction == T_MNEM_pop
11450 && (mask & ~0xff) == 1 << REG_PC))
11452 inst.instruction = THUMB_OP16 (inst.instruction);
11453 inst.instruction |= THUMB_PP_PC_LR;
11454 inst.instruction |= mask & 0xff;
11456 else if (unified_syntax)
11458 inst.instruction = THUMB_OP32 (inst.instruction);
11459 encode_thumb2_ldmstm (13, mask, TRUE);
11463 inst.error = _("invalid register list to push/pop instruction");
11473 Rd = inst.operands[0].reg;
11474 Rm = inst.operands[1].reg;
11476 reject_bad_reg (Rd);
11477 reject_bad_reg (Rm);
11479 inst.instruction |= Rd << 8;
11480 inst.instruction |= Rm << 16;
11481 inst.instruction |= Rm;
11489 Rd = inst.operands[0].reg;
11490 Rm = inst.operands[1].reg;
11492 reject_bad_reg (Rd);
11493 reject_bad_reg (Rm);
11495 if (Rd <= 7 && Rm <= 7
11496 && inst.size_req != 4)
11498 inst.instruction = THUMB_OP16 (inst.instruction);
11499 inst.instruction |= Rd;
11500 inst.instruction |= Rm << 3;
11502 else if (unified_syntax)
11504 inst.instruction = THUMB_OP32 (inst.instruction);
11505 inst.instruction |= Rd << 8;
11506 inst.instruction |= Rm << 16;
11507 inst.instruction |= Rm;
11510 inst.error = BAD_HIREG;
11518 Rd = inst.operands[0].reg;
11519 Rm = inst.operands[1].reg;
11521 reject_bad_reg (Rd);
11522 reject_bad_reg (Rm);
11524 inst.instruction |= Rd << 8;
11525 inst.instruction |= Rm;
11533 Rd = inst.operands[0].reg;
11534 Rs = (inst.operands[1].present
11535 ? inst.operands[1].reg /* Rd, Rs, foo */
11536 : inst.operands[0].reg); /* Rd, foo -> Rd, Rd, foo */
11538 reject_bad_reg (Rd);
11539 reject_bad_reg (Rs);
11540 if (inst.operands[2].isreg)
11541 reject_bad_reg (inst.operands[2].reg);
11543 inst.instruction |= Rd << 8;
11544 inst.instruction |= Rs << 16;
11545 if (!inst.operands[2].isreg)
11547 bfd_boolean narrow;
11549 if ((inst.instruction & 0x00100000) != 0)
11550 narrow = !in_it_block ();
11552 narrow = in_it_block ();
11554 if (Rd > 7 || Rs > 7)
11557 if (inst.size_req == 4 || !unified_syntax)
11560 if (inst.reloc.exp.X_op != O_constant
11561 || inst.reloc.exp.X_add_number != 0)
11564 /* Turn rsb #0 into 16-bit neg. We should probably do this via
11565 relaxation, but it doesn't seem worth the hassle. */
11568 inst.reloc.type = BFD_RELOC_UNUSED;
11569 inst.instruction = THUMB_OP16 (T_MNEM_negs);
11570 inst.instruction |= Rs << 3;
11571 inst.instruction |= Rd;
11575 inst.instruction = (inst.instruction & 0xe1ffffff) | 0x10000000;
11576 inst.reloc.type = BFD_RELOC_ARM_T32_IMMEDIATE;
11580 encode_thumb32_shifted_operand (2);
11586 set_it_insn_type (OUTSIDE_IT_INSN);
11587 if (inst.operands[0].imm)
11588 inst.instruction |= 0x8;
11594 if (!inst.operands[1].present)
11595 inst.operands[1].reg = inst.operands[0].reg;
11597 if (unified_syntax)
11599 bfd_boolean narrow;
11602 switch (inst.instruction)
11605 case T_MNEM_asrs: shift_kind = SHIFT_ASR; break;
11607 case T_MNEM_lsls: shift_kind = SHIFT_LSL; break;
11609 case T_MNEM_lsrs: shift_kind = SHIFT_LSR; break;
11611 case T_MNEM_rors: shift_kind = SHIFT_ROR; break;
11615 if (THUMB_SETS_FLAGS (inst.instruction))
11616 narrow = !in_it_block ();
11618 narrow = in_it_block ();
11619 if (inst.operands[0].reg > 7 || inst.operands[1].reg > 7)
11621 if (!inst.operands[2].isreg && shift_kind == SHIFT_ROR)
11623 if (inst.operands[2].isreg
11624 && (inst.operands[1].reg != inst.operands[0].reg
11625 || inst.operands[2].reg > 7))
11627 if (inst.size_req == 4)
11630 reject_bad_reg (inst.operands[0].reg);
11631 reject_bad_reg (inst.operands[1].reg);
11635 if (inst.operands[2].isreg)
11637 reject_bad_reg (inst.operands[2].reg);
11638 inst.instruction = THUMB_OP32 (inst.instruction);
11639 inst.instruction |= inst.operands[0].reg << 8;
11640 inst.instruction |= inst.operands[1].reg << 16;
11641 inst.instruction |= inst.operands[2].reg;
11643 /* PR 12854: Error on extraneous shifts. */
11644 constraint (inst.operands[2].shifted,
11645 _("extraneous shift as part of operand to shift insn"));
11649 inst.operands[1].shifted = 1;
11650 inst.operands[1].shift_kind = shift_kind;
11651 inst.instruction = THUMB_OP32 (THUMB_SETS_FLAGS (inst.instruction)
11652 ? T_MNEM_movs : T_MNEM_mov);
11653 inst.instruction |= inst.operands[0].reg << 8;
11654 encode_thumb32_shifted_operand (1);
11655 /* Prevent the incorrect generation of an ARM_IMMEDIATE fixup. */
11656 inst.reloc.type = BFD_RELOC_UNUSED;
11661 if (inst.operands[2].isreg)
11663 switch (shift_kind)
11665 case SHIFT_ASR: inst.instruction = T_OPCODE_ASR_R; break;
11666 case SHIFT_LSL: inst.instruction = T_OPCODE_LSL_R; break;
11667 case SHIFT_LSR: inst.instruction = T_OPCODE_LSR_R; break;
11668 case SHIFT_ROR: inst.instruction = T_OPCODE_ROR_R; break;
11672 inst.instruction |= inst.operands[0].reg;
11673 inst.instruction |= inst.operands[2].reg << 3;
11675 /* PR 12854: Error on extraneous shifts. */
11676 constraint (inst.operands[2].shifted,
11677 _("extraneous shift as part of operand to shift insn"));
11681 switch (shift_kind)
11683 case SHIFT_ASR: inst.instruction = T_OPCODE_ASR_I; break;
11684 case SHIFT_LSL: inst.instruction = T_OPCODE_LSL_I; break;
11685 case SHIFT_LSR: inst.instruction = T_OPCODE_LSR_I; break;
11688 inst.reloc.type = BFD_RELOC_ARM_THUMB_SHIFT;
11689 inst.instruction |= inst.operands[0].reg;
11690 inst.instruction |= inst.operands[1].reg << 3;
11696 constraint (inst.operands[0].reg > 7
11697 || inst.operands[1].reg > 7, BAD_HIREG);
11698 constraint (THUMB_SETS_FLAGS (inst.instruction), BAD_THUMB32);
11700 if (inst.operands[2].isreg) /* Rd, {Rs,} Rn */
11702 constraint (inst.operands[2].reg > 7, BAD_HIREG);
11703 constraint (inst.operands[0].reg != inst.operands[1].reg,
11704 _("source1 and dest must be same register"));
11706 switch (inst.instruction)
11708 case T_MNEM_asr: inst.instruction = T_OPCODE_ASR_R; break;
11709 case T_MNEM_lsl: inst.instruction = T_OPCODE_LSL_R; break;
11710 case T_MNEM_lsr: inst.instruction = T_OPCODE_LSR_R; break;
11711 case T_MNEM_ror: inst.instruction = T_OPCODE_ROR_R; break;
11715 inst.instruction |= inst.operands[0].reg;
11716 inst.instruction |= inst.operands[2].reg << 3;
11718 /* PR 12854: Error on extraneous shifts. */
11719 constraint (inst.operands[2].shifted,
11720 _("extraneous shift as part of operand to shift insn"));
11724 switch (inst.instruction)
11726 case T_MNEM_asr: inst.instruction = T_OPCODE_ASR_I; break;
11727 case T_MNEM_lsl: inst.instruction = T_OPCODE_LSL_I; break;
11728 case T_MNEM_lsr: inst.instruction = T_OPCODE_LSR_I; break;
11729 case T_MNEM_ror: inst.error = _("ror #imm not supported"); return;
11732 inst.reloc.type = BFD_RELOC_ARM_THUMB_SHIFT;
11733 inst.instruction |= inst.operands[0].reg;
11734 inst.instruction |= inst.operands[1].reg << 3;
11742 unsigned Rd, Rn, Rm;
11744 Rd = inst.operands[0].reg;
11745 Rn = inst.operands[1].reg;
11746 Rm = inst.operands[2].reg;
11748 reject_bad_reg (Rd);
11749 reject_bad_reg (Rn);
11750 reject_bad_reg (Rm);
11752 inst.instruction |= Rd << 8;
11753 inst.instruction |= Rn << 16;
11754 inst.instruction |= Rm;
11760 unsigned Rd, Rn, Rm;
11762 Rd = inst.operands[0].reg;
11763 Rm = inst.operands[1].reg;
11764 Rn = inst.operands[2].reg;
11766 reject_bad_reg (Rd);
11767 reject_bad_reg (Rn);
11768 reject_bad_reg (Rm);
11770 inst.instruction |= Rd << 8;
11771 inst.instruction |= Rn << 16;
11772 inst.instruction |= Rm;
11778 unsigned int value = inst.reloc.exp.X_add_number;
11779 constraint (!ARM_CPU_HAS_FEATURE (cpu_variant, arm_ext_v7a),
11780 _("SMC is not permitted on this architecture"));
11781 constraint (inst.reloc.exp.X_op != O_constant,
11782 _("expression too complex"));
11783 inst.reloc.type = BFD_RELOC_UNUSED;
11784 inst.instruction |= (value & 0xf000) >> 12;
11785 inst.instruction |= (value & 0x0ff0);
11786 inst.instruction |= (value & 0x000f) << 16;
11792 unsigned int value = inst.reloc.exp.X_add_number;
11794 inst.reloc.type = BFD_RELOC_UNUSED;
11795 inst.instruction |= (value & 0x0fff);
11796 inst.instruction |= (value & 0xf000) << 4;
11800 do_t_ssat_usat (int bias)
11804 Rd = inst.operands[0].reg;
11805 Rn = inst.operands[2].reg;
11807 reject_bad_reg (Rd);
11808 reject_bad_reg (Rn);
11810 inst.instruction |= Rd << 8;
11811 inst.instruction |= inst.operands[1].imm - bias;
11812 inst.instruction |= Rn << 16;
11814 if (inst.operands[3].present)
11816 offsetT shift_amount = inst.reloc.exp.X_add_number;
11818 inst.reloc.type = BFD_RELOC_UNUSED;
11820 constraint (inst.reloc.exp.X_op != O_constant,
11821 _("expression too complex"));
11823 if (shift_amount != 0)
11825 constraint (shift_amount > 31,
11826 _("shift expression is too large"));
11828 if (inst.operands[3].shift_kind == SHIFT_ASR)
11829 inst.instruction |= 0x00200000; /* sh bit. */
11831 inst.instruction |= (shift_amount & 0x1c) << 10;
11832 inst.instruction |= (shift_amount & 0x03) << 6;
11840 do_t_ssat_usat (1);
11848 Rd = inst.operands[0].reg;
11849 Rn = inst.operands[2].reg;
11851 reject_bad_reg (Rd);
11852 reject_bad_reg (Rn);
11854 inst.instruction |= Rd << 8;
11855 inst.instruction |= inst.operands[1].imm - 1;
11856 inst.instruction |= Rn << 16;
11862 constraint (!inst.operands[2].isreg || !inst.operands[2].preind
11863 || inst.operands[2].postind || inst.operands[2].writeback
11864 || inst.operands[2].immisreg || inst.operands[2].shifted
11865 || inst.operands[2].negative,
11868 constraint (inst.operands[2].reg == REG_PC, BAD_PC);
11870 inst.instruction |= inst.operands[0].reg << 8;
11871 inst.instruction |= inst.operands[1].reg << 12;
11872 inst.instruction |= inst.operands[2].reg << 16;
11873 inst.reloc.type = BFD_RELOC_ARM_T32_OFFSET_U8;
11879 if (!inst.operands[2].present)
11880 inst.operands[2].reg = inst.operands[1].reg + 1;
11882 constraint (inst.operands[0].reg == inst.operands[1].reg
11883 || inst.operands[0].reg == inst.operands[2].reg
11884 || inst.operands[0].reg == inst.operands[3].reg,
11887 inst.instruction |= inst.operands[0].reg;
11888 inst.instruction |= inst.operands[1].reg << 12;
11889 inst.instruction |= inst.operands[2].reg << 8;
11890 inst.instruction |= inst.operands[3].reg << 16;
11896 unsigned Rd, Rn, Rm;
11898 Rd = inst.operands[0].reg;
11899 Rn = inst.operands[1].reg;
11900 Rm = inst.operands[2].reg;
11902 reject_bad_reg (Rd);
11903 reject_bad_reg (Rn);
11904 reject_bad_reg (Rm);
11906 inst.instruction |= Rd << 8;
11907 inst.instruction |= Rn << 16;
11908 inst.instruction |= Rm;
11909 inst.instruction |= inst.operands[3].imm << 4;
11917 Rd = inst.operands[0].reg;
11918 Rm = inst.operands[1].reg;
11920 reject_bad_reg (Rd);
11921 reject_bad_reg (Rm);
11923 if (inst.instruction <= 0xffff
11924 && inst.size_req != 4
11925 && Rd <= 7 && Rm <= 7
11926 && (!inst.operands[2].present || inst.operands[2].imm == 0))
11928 inst.instruction = THUMB_OP16 (inst.instruction);
11929 inst.instruction |= Rd;
11930 inst.instruction |= Rm << 3;
11932 else if (unified_syntax)
11934 if (inst.instruction <= 0xffff)
11935 inst.instruction = THUMB_OP32 (inst.instruction);
11936 inst.instruction |= Rd << 8;
11937 inst.instruction |= Rm;
11938 inst.instruction |= inst.operands[2].imm << 4;
11942 constraint (inst.operands[2].present && inst.operands[2].imm != 0,
11943 _("Thumb encoding does not support rotation"));
11944 constraint (1, BAD_HIREG);
11951 /* We have to do the following check manually as ARM_EXT_OS only applies
11953 if (ARM_CPU_HAS_FEATURE (cpu_variant, arm_ext_v6m))
11955 if (!ARM_CPU_HAS_FEATURE (cpu_variant, arm_ext_os)
11956 /* This only applies to the v6m howver, not later architectures. */
11957 && ! ARM_CPU_HAS_FEATURE (cpu_variant, arm_ext_v7))
11958 as_bad (_("SVC is not permitted on this architecture"));
11959 ARM_MERGE_FEATURE_SETS (thumb_arch_used, thumb_arch_used, arm_ext_os);
11962 inst.reloc.type = BFD_RELOC_ARM_SWI;
11971 half = (inst.instruction & 0x10) != 0;
11972 set_it_insn_type_last ();
11973 constraint (inst.operands[0].immisreg,
11974 _("instruction requires register index"));
11976 Rn = inst.operands[0].reg;
11977 Rm = inst.operands[0].imm;
11979 constraint (Rn == REG_SP, BAD_SP);
11980 reject_bad_reg (Rm);
11982 constraint (!half && inst.operands[0].shifted,
11983 _("instruction does not allow shifted index"));
11984 inst.instruction |= (Rn << 16) | Rm;
11990 do_t_ssat_usat (0);
11998 Rd = inst.operands[0].reg;
11999 Rn = inst.operands[2].reg;
12001 reject_bad_reg (Rd);
12002 reject_bad_reg (Rn);
12004 inst.instruction |= Rd << 8;
12005 inst.instruction |= inst.operands[1].imm;
12006 inst.instruction |= Rn << 16;
12009 /* Neon instruction encoder helpers. */
12011 /* Encodings for the different types for various Neon opcodes. */
12013 /* An "invalid" code for the following tables. */
12016 struct neon_tab_entry
12019 unsigned float_or_poly;
12020 unsigned scalar_or_imm;
12023 /* Map overloaded Neon opcodes to their respective encodings. */
12024 #define NEON_ENC_TAB \
12025 X(vabd, 0x0000700, 0x1200d00, N_INV), \
12026 X(vmax, 0x0000600, 0x0000f00, N_INV), \
12027 X(vmin, 0x0000610, 0x0200f00, N_INV), \
12028 X(vpadd, 0x0000b10, 0x1000d00, N_INV), \
12029 X(vpmax, 0x0000a00, 0x1000f00, N_INV), \
12030 X(vpmin, 0x0000a10, 0x1200f00, N_INV), \
12031 X(vadd, 0x0000800, 0x0000d00, N_INV), \
12032 X(vsub, 0x1000800, 0x0200d00, N_INV), \
12033 X(vceq, 0x1000810, 0x0000e00, 0x1b10100), \
12034 X(vcge, 0x0000310, 0x1000e00, 0x1b10080), \
12035 X(vcgt, 0x0000300, 0x1200e00, 0x1b10000), \
12036 /* Register variants of the following two instructions are encoded as
12037 vcge / vcgt with the operands reversed. */ \
12038 X(vclt, 0x0000300, 0x1200e00, 0x1b10200), \
12039 X(vcle, 0x0000310, 0x1000e00, 0x1b10180), \
12040 X(vfma, N_INV, 0x0000c10, N_INV), \
12041 X(vfms, N_INV, 0x0200c10, N_INV), \
12042 X(vmla, 0x0000900, 0x0000d10, 0x0800040), \
12043 X(vmls, 0x1000900, 0x0200d10, 0x0800440), \
12044 X(vmul, 0x0000910, 0x1000d10, 0x0800840), \
12045 X(vmull, 0x0800c00, 0x0800e00, 0x0800a40), /* polynomial not float. */ \
12046 X(vmlal, 0x0800800, N_INV, 0x0800240), \
12047 X(vmlsl, 0x0800a00, N_INV, 0x0800640), \
12048 X(vqdmlal, 0x0800900, N_INV, 0x0800340), \
12049 X(vqdmlsl, 0x0800b00, N_INV, 0x0800740), \
12050 X(vqdmull, 0x0800d00, N_INV, 0x0800b40), \
12051 X(vqdmulh, 0x0000b00, N_INV, 0x0800c40), \
12052 X(vqrdmulh, 0x1000b00, N_INV, 0x0800d40), \
12053 X(vshl, 0x0000400, N_INV, 0x0800510), \
12054 X(vqshl, 0x0000410, N_INV, 0x0800710), \
12055 X(vand, 0x0000110, N_INV, 0x0800030), \
12056 X(vbic, 0x0100110, N_INV, 0x0800030), \
12057 X(veor, 0x1000110, N_INV, N_INV), \
12058 X(vorn, 0x0300110, N_INV, 0x0800010), \
12059 X(vorr, 0x0200110, N_INV, 0x0800010), \
12060 X(vmvn, 0x1b00580, N_INV, 0x0800030), \
12061 X(vshll, 0x1b20300, N_INV, 0x0800a10), /* max shift, immediate. */ \
12062 X(vcvt, 0x1b30600, N_INV, 0x0800e10), /* integer, fixed-point. */ \
12063 X(vdup, 0xe800b10, N_INV, 0x1b00c00), /* arm, scalar. */ \
12064 X(vld1, 0x0200000, 0x0a00000, 0x0a00c00), /* interlv, lane, dup. */ \
12065 X(vst1, 0x0000000, 0x0800000, N_INV), \
12066 X(vld2, 0x0200100, 0x0a00100, 0x0a00d00), \
12067 X(vst2, 0x0000100, 0x0800100, N_INV), \
12068 X(vld3, 0x0200200, 0x0a00200, 0x0a00e00), \
12069 X(vst3, 0x0000200, 0x0800200, N_INV), \
12070 X(vld4, 0x0200300, 0x0a00300, 0x0a00f00), \
12071 X(vst4, 0x0000300, 0x0800300, N_INV), \
12072 X(vmovn, 0x1b20200, N_INV, N_INV), \
12073 X(vtrn, 0x1b20080, N_INV, N_INV), \
12074 X(vqmovn, 0x1b20200, N_INV, N_INV), \
12075 X(vqmovun, 0x1b20240, N_INV, N_INV), \
12076 X(vnmul, 0xe200a40, 0xe200b40, N_INV), \
12077 X(vnmla, 0xe100a40, 0xe100b40, N_INV), \
12078 X(vnmls, 0xe100a00, 0xe100b00, N_INV), \
12079 X(vfnma, 0xe900a40, 0xe900b40, N_INV), \
12080 X(vfnms, 0xe900a00, 0xe900b00, N_INV), \
12081 X(vcmp, 0xeb40a40, 0xeb40b40, N_INV), \
12082 X(vcmpz, 0xeb50a40, 0xeb50b40, N_INV), \
12083 X(vcmpe, 0xeb40ac0, 0xeb40bc0, N_INV), \
12084 X(vcmpez, 0xeb50ac0, 0xeb50bc0, N_INV)
12088 #define X(OPC,I,F,S) N_MNEM_##OPC
12093 static const struct neon_tab_entry neon_enc_tab[] =
12095 #define X(OPC,I,F,S) { (I), (F), (S) }
12100 /* Do not use these macros; instead, use NEON_ENCODE defined below. */
12101 #define NEON_ENC_INTEGER_(X) (neon_enc_tab[(X) & 0x0fffffff].integer)
12102 #define NEON_ENC_ARMREG_(X) (neon_enc_tab[(X) & 0x0fffffff].integer)
12103 #define NEON_ENC_POLY_(X) (neon_enc_tab[(X) & 0x0fffffff].float_or_poly)
12104 #define NEON_ENC_FLOAT_(X) (neon_enc_tab[(X) & 0x0fffffff].float_or_poly)
12105 #define NEON_ENC_SCALAR_(X) (neon_enc_tab[(X) & 0x0fffffff].scalar_or_imm)
12106 #define NEON_ENC_IMMED_(X) (neon_enc_tab[(X) & 0x0fffffff].scalar_or_imm)
12107 #define NEON_ENC_INTERLV_(X) (neon_enc_tab[(X) & 0x0fffffff].integer)
12108 #define NEON_ENC_LANE_(X) (neon_enc_tab[(X) & 0x0fffffff].float_or_poly)
12109 #define NEON_ENC_DUP_(X) (neon_enc_tab[(X) & 0x0fffffff].scalar_or_imm)
12110 #define NEON_ENC_SINGLE_(X) \
12111 ((neon_enc_tab[(X) & 0x0fffffff].integer) | ((X) & 0xf0000000))
12112 #define NEON_ENC_DOUBLE_(X) \
12113 ((neon_enc_tab[(X) & 0x0fffffff].float_or_poly) | ((X) & 0xf0000000))
12115 #define NEON_ENCODE(type, inst) \
12118 inst.instruction = NEON_ENC_##type##_ (inst.instruction); \
12119 inst.is_neon = 1; \
12123 #define check_neon_suffixes \
12126 if (!inst.error && inst.vectype.elems > 0 && !inst.is_neon) \
12128 as_bad (_("invalid neon suffix for non neon instruction")); \
12134 /* Define shapes for instruction operands. The following mnemonic characters
12135 are used in this table:
12137 F - VFP S<n> register
12138 D - Neon D<n> register
12139 Q - Neon Q<n> register
12143 L - D<n> register list
12145 This table is used to generate various data:
12146 - enumerations of the form NS_DDR to be used as arguments to
12148 - a table classifying shapes into single, double, quad, mixed.
12149 - a table used to drive neon_select_shape. */
12151 #define NEON_SHAPE_DEF \
12152 X(3, (D, D, D), DOUBLE), \
12153 X(3, (Q, Q, Q), QUAD), \
12154 X(3, (D, D, I), DOUBLE), \
12155 X(3, (Q, Q, I), QUAD), \
12156 X(3, (D, D, S), DOUBLE), \
12157 X(3, (Q, Q, S), QUAD), \
12158 X(2, (D, D), DOUBLE), \
12159 X(2, (Q, Q), QUAD), \
12160 X(2, (D, S), DOUBLE), \
12161 X(2, (Q, S), QUAD), \
12162 X(2, (D, R), DOUBLE), \
12163 X(2, (Q, R), QUAD), \
12164 X(2, (D, I), DOUBLE), \
12165 X(2, (Q, I), QUAD), \
12166 X(3, (D, L, D), DOUBLE), \
12167 X(2, (D, Q), MIXED), \
12168 X(2, (Q, D), MIXED), \
12169 X(3, (D, Q, I), MIXED), \
12170 X(3, (Q, D, I), MIXED), \
12171 X(3, (Q, D, D), MIXED), \
12172 X(3, (D, Q, Q), MIXED), \
12173 X(3, (Q, Q, D), MIXED), \
12174 X(3, (Q, D, S), MIXED), \
12175 X(3, (D, Q, S), MIXED), \
12176 X(4, (D, D, D, I), DOUBLE), \
12177 X(4, (Q, Q, Q, I), QUAD), \
12178 X(2, (F, F), SINGLE), \
12179 X(3, (F, F, F), SINGLE), \
12180 X(2, (F, I), SINGLE), \
12181 X(2, (F, D), MIXED), \
12182 X(2, (D, F), MIXED), \
12183 X(3, (F, F, I), MIXED), \
12184 X(4, (R, R, F, F), SINGLE), \
12185 X(4, (F, F, R, R), SINGLE), \
12186 X(3, (D, R, R), DOUBLE), \
12187 X(3, (R, R, D), DOUBLE), \
12188 X(2, (S, R), SINGLE), \
12189 X(2, (R, S), SINGLE), \
12190 X(2, (F, R), SINGLE), \
12191 X(2, (R, F), SINGLE)
12193 #define S2(A,B) NS_##A##B
12194 #define S3(A,B,C) NS_##A##B##C
12195 #define S4(A,B,C,D) NS_##A##B##C##D
12197 #define X(N, L, C) S##N L
12210 enum neon_shape_class
12218 #define X(N, L, C) SC_##C
12220 static enum neon_shape_class neon_shape_class[] =
12238 /* Register widths of above. */
12239 static unsigned neon_shape_el_size[] =
12250 struct neon_shape_info
12253 enum neon_shape_el el[NEON_MAX_TYPE_ELS];
12256 #define S2(A,B) { SE_##A, SE_##B }
12257 #define S3(A,B,C) { SE_##A, SE_##B, SE_##C }
12258 #define S4(A,B,C,D) { SE_##A, SE_##B, SE_##C, SE_##D }
12260 #define X(N, L, C) { N, S##N L }
12262 static struct neon_shape_info neon_shape_tab[] =
12272 /* Bit masks used in type checking given instructions.
12273 'N_EQK' means the type must be the same as (or based on in some way) the key
12274 type, which itself is marked with the 'N_KEY' bit. If the 'N_EQK' bit is
12275 set, various other bits can be set as well in order to modify the meaning of
12276 the type constraint. */
12278 enum neon_type_mask
12301 N_KEY = 0x1000000, /* Key element (main type specifier). */
12302 N_EQK = 0x2000000, /* Given operand has the same type & size as the key. */
12303 N_VFP = 0x4000000, /* VFP mode: operand size must match register width. */
12304 N_DBL = 0x0000001, /* If N_EQK, this operand is twice the size. */
12305 N_HLF = 0x0000002, /* If N_EQK, this operand is half the size. */
12306 N_SGN = 0x0000004, /* If N_EQK, this operand is forced to be signed. */
12307 N_UNS = 0x0000008, /* If N_EQK, this operand is forced to be unsigned. */
12308 N_INT = 0x0000010, /* If N_EQK, this operand is forced to be integer. */
12309 N_FLT = 0x0000020, /* If N_EQK, this operand is forced to be float. */
12310 N_SIZ = 0x0000040, /* If N_EQK, this operand is forced to be size-only. */
12312 N_MAX_NONSPECIAL = N_F64
12315 #define N_ALLMODS (N_DBL | N_HLF | N_SGN | N_UNS | N_INT | N_FLT | N_SIZ)
12317 #define N_SU_ALL (N_S8 | N_S16 | N_S32 | N_S64 | N_U8 | N_U16 | N_U32 | N_U64)
12318 #define N_SU_32 (N_S8 | N_S16 | N_S32 | N_U8 | N_U16 | N_U32)
12319 #define N_SU_16_64 (N_S16 | N_S32 | N_S64 | N_U16 | N_U32 | N_U64)
12320 #define N_SUF_32 (N_SU_32 | N_F32)
12321 #define N_I_ALL (N_I8 | N_I16 | N_I32 | N_I64)
12322 #define N_IF_32 (N_I8 | N_I16 | N_I32 | N_F32)
12324 /* Pass this as the first type argument to neon_check_type to ignore types
12326 #define N_IGNORE_TYPE (N_KEY | N_EQK)
12328 /* Select a "shape" for the current instruction (describing register types or
12329 sizes) from a list of alternatives. Return NS_NULL if the current instruction
12330 doesn't fit. For non-polymorphic shapes, checking is usually done as a
12331 function of operand parsing, so this function doesn't need to be called.
12332 Shapes should be listed in order of decreasing length. */
12334 static enum neon_shape
12335 neon_select_shape (enum neon_shape shape, ...)
12338 enum neon_shape first_shape = shape;
12340 /* Fix missing optional operands. FIXME: we don't know at this point how
12341 many arguments we should have, so this makes the assumption that we have
12342 > 1. This is true of all current Neon opcodes, I think, but may not be
12343 true in the future. */
12344 if (!inst.operands[1].present)
12345 inst.operands[1] = inst.operands[0];
12347 va_start (ap, shape);
12349 for (; shape != NS_NULL; shape = (enum neon_shape) va_arg (ap, int))
12354 for (j = 0; j < neon_shape_tab[shape].els; j++)
12356 if (!inst.operands[j].present)
12362 switch (neon_shape_tab[shape].el[j])
12365 if (!(inst.operands[j].isreg
12366 && inst.operands[j].isvec
12367 && inst.operands[j].issingle
12368 && !inst.operands[j].isquad))
12373 if (!(inst.operands[j].isreg
12374 && inst.operands[j].isvec
12375 && !inst.operands[j].isquad
12376 && !inst.operands[j].issingle))
12381 if (!(inst.operands[j].isreg
12382 && !inst.operands[j].isvec))
12387 if (!(inst.operands[j].isreg
12388 && inst.operands[j].isvec
12389 && inst.operands[j].isquad
12390 && !inst.operands[j].issingle))
12395 if (!(!inst.operands[j].isreg
12396 && !inst.operands[j].isscalar))
12401 if (!(!inst.operands[j].isreg
12402 && inst.operands[j].isscalar))
12418 if (shape == NS_NULL && first_shape != NS_NULL)
12419 first_error (_("invalid instruction shape"));
12424 /* True if SHAPE is predominantly a quadword operation (most of the time, this
12425 means the Q bit should be set). */
12428 neon_quad (enum neon_shape shape)
12430 return neon_shape_class[shape] == SC_QUAD;
12434 neon_modify_type_size (unsigned typebits, enum neon_el_type *g_type,
12437 /* Allow modification to be made to types which are constrained to be
12438 based on the key element, based on bits set alongside N_EQK. */
12439 if ((typebits & N_EQK) != 0)
12441 if ((typebits & N_HLF) != 0)
12443 else if ((typebits & N_DBL) != 0)
12445 if ((typebits & N_SGN) != 0)
12446 *g_type = NT_signed;
12447 else if ((typebits & N_UNS) != 0)
12448 *g_type = NT_unsigned;
12449 else if ((typebits & N_INT) != 0)
12450 *g_type = NT_integer;
12451 else if ((typebits & N_FLT) != 0)
12452 *g_type = NT_float;
12453 else if ((typebits & N_SIZ) != 0)
12454 *g_type = NT_untyped;
12458 /* Return operand OPNO promoted by bits set in THISARG. KEY should be the "key"
12459 operand type, i.e. the single type specified in a Neon instruction when it
12460 is the only one given. */
12462 static struct neon_type_el
12463 neon_type_promote (struct neon_type_el *key, unsigned thisarg)
12465 struct neon_type_el dest = *key;
12467 gas_assert ((thisarg & N_EQK) != 0);
12469 neon_modify_type_size (thisarg, &dest.type, &dest.size);
12474 /* Convert Neon type and size into compact bitmask representation. */
12476 static enum neon_type_mask
12477 type_chk_of_el_type (enum neon_el_type type, unsigned size)
12484 case 8: return N_8;
12485 case 16: return N_16;
12486 case 32: return N_32;
12487 case 64: return N_64;
12495 case 8: return N_I8;
12496 case 16: return N_I16;
12497 case 32: return N_I32;
12498 case 64: return N_I64;
12506 case 16: return N_F16;
12507 case 32: return N_F32;
12508 case 64: return N_F64;
12516 case 8: return N_P8;
12517 case 16: return N_P16;
12525 case 8: return N_S8;
12526 case 16: return N_S16;
12527 case 32: return N_S32;
12528 case 64: return N_S64;
12536 case 8: return N_U8;
12537 case 16: return N_U16;
12538 case 32: return N_U32;
12539 case 64: return N_U64;
12550 /* Convert compact Neon bitmask type representation to a type and size. Only
12551 handles the case where a single bit is set in the mask. */
12554 el_type_of_type_chk (enum neon_el_type *type, unsigned *size,
12555 enum neon_type_mask mask)
12557 if ((mask & N_EQK) != 0)
12560 if ((mask & (N_S8 | N_U8 | N_I8 | N_8 | N_P8)) != 0)
12562 else if ((mask & (N_S16 | N_U16 | N_I16 | N_16 | N_P16)) != 0)
12564 else if ((mask & (N_S32 | N_U32 | N_I32 | N_32 | N_F32)) != 0)
12566 else if ((mask & (N_S64 | N_U64 | N_I64 | N_64 | N_F64)) != 0)
12571 if ((mask & (N_S8 | N_S16 | N_S32 | N_S64)) != 0)
12573 else if ((mask & (N_U8 | N_U16 | N_U32 | N_U64)) != 0)
12574 *type = NT_unsigned;
12575 else if ((mask & (N_I8 | N_I16 | N_I32 | N_I64)) != 0)
12576 *type = NT_integer;
12577 else if ((mask & (N_8 | N_16 | N_32 | N_64)) != 0)
12578 *type = NT_untyped;
12579 else if ((mask & (N_P8 | N_P16)) != 0)
12581 else if ((mask & (N_F32 | N_F64)) != 0)
12589 /* Modify a bitmask of allowed types. This is only needed for type
12593 modify_types_allowed (unsigned allowed, unsigned mods)
12596 enum neon_el_type type;
12602 for (i = 1; i <= N_MAX_NONSPECIAL; i <<= 1)
12604 if (el_type_of_type_chk (&type, &size,
12605 (enum neon_type_mask) (allowed & i)) == SUCCESS)
12607 neon_modify_type_size (mods, &type, &size);
12608 destmask |= type_chk_of_el_type (type, size);
12615 /* Check type and return type classification.
12616 The manual states (paraphrase): If one datatype is given, it indicates the
12618 - the second operand, if there is one
12619 - the operand, if there is no second operand
12620 - the result, if there are no operands.
12621 This isn't quite good enough though, so we use a concept of a "key" datatype
12622 which is set on a per-instruction basis, which is the one which matters when
12623 only one data type is written.
12624 Note: this function has side-effects (e.g. filling in missing operands). All
12625 Neon instructions should call it before performing bit encoding. */
12627 static struct neon_type_el
12628 neon_check_type (unsigned els, enum neon_shape ns, ...)
12631 unsigned i, pass, key_el = 0;
12632 unsigned types[NEON_MAX_TYPE_ELS];
12633 enum neon_el_type k_type = NT_invtype;
12634 unsigned k_size = -1u;
12635 struct neon_type_el badtype = {NT_invtype, -1};
12636 unsigned key_allowed = 0;
12638 /* Optional registers in Neon instructions are always (not) in operand 1.
12639 Fill in the missing operand here, if it was omitted. */
12640 if (els > 1 && !inst.operands[1].present)
12641 inst.operands[1] = inst.operands[0];
12643 /* Suck up all the varargs. */
12645 for (i = 0; i < els; i++)
12647 unsigned thisarg = va_arg (ap, unsigned);
12648 if (thisarg == N_IGNORE_TYPE)
12653 types[i] = thisarg;
12654 if ((thisarg & N_KEY) != 0)
12659 if (inst.vectype.elems > 0)
12660 for (i = 0; i < els; i++)
12661 if (inst.operands[i].vectype.type != NT_invtype)
12663 first_error (_("types specified in both the mnemonic and operands"));
12667 /* Duplicate inst.vectype elements here as necessary.
12668 FIXME: No idea if this is exactly the same as the ARM assembler,
12669 particularly when an insn takes one register and one non-register
12671 if (inst.vectype.elems == 1 && els > 1)
12674 inst.vectype.elems = els;
12675 inst.vectype.el[key_el] = inst.vectype.el[0];
12676 for (j = 0; j < els; j++)
12678 inst.vectype.el[j] = neon_type_promote (&inst.vectype.el[key_el],
12681 else if (inst.vectype.elems == 0 && els > 0)
12684 /* No types were given after the mnemonic, so look for types specified
12685 after each operand. We allow some flexibility here; as long as the
12686 "key" operand has a type, we can infer the others. */
12687 for (j = 0; j < els; j++)
12688 if (inst.operands[j].vectype.type != NT_invtype)
12689 inst.vectype.el[j] = inst.operands[j].vectype;
12691 if (inst.operands[key_el].vectype.type != NT_invtype)
12693 for (j = 0; j < els; j++)
12694 if (inst.operands[j].vectype.type == NT_invtype)
12695 inst.vectype.el[j] = neon_type_promote (&inst.vectype.el[key_el],
12700 first_error (_("operand types can't be inferred"));
12704 else if (inst.vectype.elems != els)
12706 first_error (_("type specifier has the wrong number of parts"));
12710 for (pass = 0; pass < 2; pass++)
12712 for (i = 0; i < els; i++)
12714 unsigned thisarg = types[i];
12715 unsigned types_allowed = ((thisarg & N_EQK) != 0 && pass != 0)
12716 ? modify_types_allowed (key_allowed, thisarg) : thisarg;
12717 enum neon_el_type g_type = inst.vectype.el[i].type;
12718 unsigned g_size = inst.vectype.el[i].size;
12720 /* Decay more-specific signed & unsigned types to sign-insensitive
12721 integer types if sign-specific variants are unavailable. */
12722 if ((g_type == NT_signed || g_type == NT_unsigned)
12723 && (types_allowed & N_SU_ALL) == 0)
12724 g_type = NT_integer;
12726 /* If only untyped args are allowed, decay any more specific types to
12727 them. Some instructions only care about signs for some element
12728 sizes, so handle that properly. */
12729 if ((g_size == 8 && (types_allowed & N_8) != 0)
12730 || (g_size == 16 && (types_allowed & N_16) != 0)
12731 || (g_size == 32 && (types_allowed & N_32) != 0)
12732 || (g_size == 64 && (types_allowed & N_64) != 0))
12733 g_type = NT_untyped;
12737 if ((thisarg & N_KEY) != 0)
12741 key_allowed = thisarg & ~N_KEY;
12746 if ((thisarg & N_VFP) != 0)
12748 enum neon_shape_el regshape;
12749 unsigned regwidth, match;
12751 /* PR 11136: Catch the case where we are passed a shape of NS_NULL. */
12754 first_error (_("invalid instruction shape"));
12757 regshape = neon_shape_tab[ns].el[i];
12758 regwidth = neon_shape_el_size[regshape];
12760 /* In VFP mode, operands must match register widths. If we
12761 have a key operand, use its width, else use the width of
12762 the current operand. */
12768 if (regwidth != match)
12770 first_error (_("operand size must match register width"));
12775 if ((thisarg & N_EQK) == 0)
12777 unsigned given_type = type_chk_of_el_type (g_type, g_size);
12779 if ((given_type & types_allowed) == 0)
12781 first_error (_("bad type in Neon instruction"));
12787 enum neon_el_type mod_k_type = k_type;
12788 unsigned mod_k_size = k_size;
12789 neon_modify_type_size (thisarg, &mod_k_type, &mod_k_size);
12790 if (g_type != mod_k_type || g_size != mod_k_size)
12792 first_error (_("inconsistent types in Neon instruction"));
12800 return inst.vectype.el[key_el];
12803 /* Neon-style VFP instruction forwarding. */
12805 /* Thumb VFP instructions have 0xE in the condition field. */
12808 do_vfp_cond_or_thumb (void)
12813 inst.instruction |= 0xe0000000;
12815 inst.instruction |= inst.cond << 28;
12818 /* Look up and encode a simple mnemonic, for use as a helper function for the
12819 Neon-style VFP syntax. This avoids duplication of bits of the insns table,
12820 etc. It is assumed that operand parsing has already been done, and that the
12821 operands are in the form expected by the given opcode (this isn't necessarily
12822 the same as the form in which they were parsed, hence some massaging must
12823 take place before this function is called).
12824 Checks current arch version against that in the looked-up opcode. */
12827 do_vfp_nsyn_opcode (const char *opname)
12829 const struct asm_opcode *opcode;
12831 opcode = (const struct asm_opcode *) hash_find (arm_ops_hsh, opname);
12836 constraint (!ARM_CPU_HAS_FEATURE (cpu_variant,
12837 thumb_mode ? *opcode->tvariant : *opcode->avariant),
12844 inst.instruction = opcode->tvalue;
12845 opcode->tencode ();
12849 inst.instruction = (inst.cond << 28) | opcode->avalue;
12850 opcode->aencode ();
12855 do_vfp_nsyn_add_sub (enum neon_shape rs)
12857 int is_add = (inst.instruction & 0x0fffffff) == N_MNEM_vadd;
12862 do_vfp_nsyn_opcode ("fadds");
12864 do_vfp_nsyn_opcode ("fsubs");
12869 do_vfp_nsyn_opcode ("faddd");
12871 do_vfp_nsyn_opcode ("fsubd");
12875 /* Check operand types to see if this is a VFP instruction, and if so call
12879 try_vfp_nsyn (int args, void (*pfn) (enum neon_shape))
12881 enum neon_shape rs;
12882 struct neon_type_el et;
12887 rs = neon_select_shape (NS_FF, NS_DD, NS_NULL);
12888 et = neon_check_type (2, rs,
12889 N_EQK | N_VFP, N_F32 | N_F64 | N_KEY | N_VFP);
12893 rs = neon_select_shape (NS_FFF, NS_DDD, NS_NULL);
12894 et = neon_check_type (3, rs,
12895 N_EQK | N_VFP, N_EQK | N_VFP, N_F32 | N_F64 | N_KEY | N_VFP);
12902 if (et.type != NT_invtype)
12913 do_vfp_nsyn_mla_mls (enum neon_shape rs)
12915 int is_mla = (inst.instruction & 0x0fffffff) == N_MNEM_vmla;
12920 do_vfp_nsyn_opcode ("fmacs");
12922 do_vfp_nsyn_opcode ("fnmacs");
12927 do_vfp_nsyn_opcode ("fmacd");
12929 do_vfp_nsyn_opcode ("fnmacd");
12934 do_vfp_nsyn_fma_fms (enum neon_shape rs)
12936 int is_fma = (inst.instruction & 0x0fffffff) == N_MNEM_vfma;
12941 do_vfp_nsyn_opcode ("ffmas");
12943 do_vfp_nsyn_opcode ("ffnmas");
12948 do_vfp_nsyn_opcode ("ffmad");
12950 do_vfp_nsyn_opcode ("ffnmad");
12955 do_vfp_nsyn_mul (enum neon_shape rs)
12958 do_vfp_nsyn_opcode ("fmuls");
12960 do_vfp_nsyn_opcode ("fmuld");
12964 do_vfp_nsyn_abs_neg (enum neon_shape rs)
12966 int is_neg = (inst.instruction & 0x80) != 0;
12967 neon_check_type (2, rs, N_EQK | N_VFP, N_F32 | N_F64 | N_VFP | N_KEY);
12972 do_vfp_nsyn_opcode ("fnegs");
12974 do_vfp_nsyn_opcode ("fabss");
12979 do_vfp_nsyn_opcode ("fnegd");
12981 do_vfp_nsyn_opcode ("fabsd");
12985 /* Encode single-precision (only!) VFP fldm/fstm instructions. Double precision
12986 insns belong to Neon, and are handled elsewhere. */
12989 do_vfp_nsyn_ldm_stm (int is_dbmode)
12991 int is_ldm = (inst.instruction & (1 << 20)) != 0;
12995 do_vfp_nsyn_opcode ("fldmdbs");
12997 do_vfp_nsyn_opcode ("fldmias");
13002 do_vfp_nsyn_opcode ("fstmdbs");
13004 do_vfp_nsyn_opcode ("fstmias");
13009 do_vfp_nsyn_sqrt (void)
13011 enum neon_shape rs = neon_select_shape (NS_FF, NS_DD, NS_NULL);
13012 neon_check_type (2, rs, N_EQK | N_VFP, N_F32 | N_F64 | N_KEY | N_VFP);
13015 do_vfp_nsyn_opcode ("fsqrts");
13017 do_vfp_nsyn_opcode ("fsqrtd");
13021 do_vfp_nsyn_div (void)
13023 enum neon_shape rs = neon_select_shape (NS_FFF, NS_DDD, NS_NULL);
13024 neon_check_type (3, rs, N_EQK | N_VFP, N_EQK | N_VFP,
13025 N_F32 | N_F64 | N_KEY | N_VFP);
13028 do_vfp_nsyn_opcode ("fdivs");
13030 do_vfp_nsyn_opcode ("fdivd");
13034 do_vfp_nsyn_nmul (void)
13036 enum neon_shape rs = neon_select_shape (NS_FFF, NS_DDD, NS_NULL);
13037 neon_check_type (3, rs, N_EQK | N_VFP, N_EQK | N_VFP,
13038 N_F32 | N_F64 | N_KEY | N_VFP);
13042 NEON_ENCODE (SINGLE, inst);
13043 do_vfp_sp_dyadic ();
13047 NEON_ENCODE (DOUBLE, inst);
13048 do_vfp_dp_rd_rn_rm ();
13050 do_vfp_cond_or_thumb ();
13054 do_vfp_nsyn_cmp (void)
13056 if (inst.operands[1].isreg)
13058 enum neon_shape rs = neon_select_shape (NS_FF, NS_DD, NS_NULL);
13059 neon_check_type (2, rs, N_EQK | N_VFP, N_F32 | N_F64 | N_KEY | N_VFP);
13063 NEON_ENCODE (SINGLE, inst);
13064 do_vfp_sp_monadic ();
13068 NEON_ENCODE (DOUBLE, inst);
13069 do_vfp_dp_rd_rm ();
13074 enum neon_shape rs = neon_select_shape (NS_FI, NS_DI, NS_NULL);
13075 neon_check_type (2, rs, N_F32 | N_F64 | N_KEY | N_VFP, N_EQK);
13077 switch (inst.instruction & 0x0fffffff)
13080 inst.instruction += N_MNEM_vcmpz - N_MNEM_vcmp;
13083 inst.instruction += N_MNEM_vcmpez - N_MNEM_vcmpe;
13091 NEON_ENCODE (SINGLE, inst);
13092 do_vfp_sp_compare_z ();
13096 NEON_ENCODE (DOUBLE, inst);
13100 do_vfp_cond_or_thumb ();
13104 nsyn_insert_sp (void)
13106 inst.operands[1] = inst.operands[0];
13107 memset (&inst.operands[0], '\0', sizeof (inst.operands[0]));
13108 inst.operands[0].reg = REG_SP;
13109 inst.operands[0].isreg = 1;
13110 inst.operands[0].writeback = 1;
13111 inst.operands[0].present = 1;
13115 do_vfp_nsyn_push (void)
13118 if (inst.operands[1].issingle)
13119 do_vfp_nsyn_opcode ("fstmdbs");
13121 do_vfp_nsyn_opcode ("fstmdbd");
13125 do_vfp_nsyn_pop (void)
13128 if (inst.operands[1].issingle)
13129 do_vfp_nsyn_opcode ("fldmias");
13131 do_vfp_nsyn_opcode ("fldmiad");
13134 /* Fix up Neon data-processing instructions, ORing in the correct bits for
13135 ARM mode or Thumb mode and moving the encoded bit 24 to bit 28. */
13138 neon_dp_fixup (struct arm_it* insn)
13140 unsigned int i = insn->instruction;
13145 /* The U bit is at bit 24 by default. Move to bit 28 in Thumb mode. */
13156 insn->instruction = i;
13159 /* Turn a size (8, 16, 32, 64) into the respective bit number minus 3
13163 neon_logbits (unsigned x)
13165 return ffs (x) - 4;
13168 #define LOW4(R) ((R) & 0xf)
13169 #define HI1(R) (((R) >> 4) & 1)
13171 /* Encode insns with bit pattern:
13173 |28/24|23|22 |21 20|19 16|15 12|11 8|7|6|5|4|3 0|
13174 | U |x |D |size | Rn | Rd |x x x x|N|Q|M|x| Rm |
13176 SIZE is passed in bits. -1 means size field isn't changed, in case it has a
13177 different meaning for some instruction. */
13180 neon_three_same (int isquad, int ubit, int size)
13182 inst.instruction |= LOW4 (inst.operands[0].reg) << 12;
13183 inst.instruction |= HI1 (inst.operands[0].reg) << 22;
13184 inst.instruction |= LOW4 (inst.operands[1].reg) << 16;
13185 inst.instruction |= HI1 (inst.operands[1].reg) << 7;
13186 inst.instruction |= LOW4 (inst.operands[2].reg);
13187 inst.instruction |= HI1 (inst.operands[2].reg) << 5;
13188 inst.instruction |= (isquad != 0) << 6;
13189 inst.instruction |= (ubit != 0) << 24;
13191 inst.instruction |= neon_logbits (size) << 20;
13193 neon_dp_fixup (&inst);
13196 /* Encode instructions of the form:
13198 |28/24|23|22|21 20|19 18|17 16|15 12|11 7|6|5|4|3 0|
13199 | U |x |D |x x |size |x x | Rd |x x x x x|Q|M|x| Rm |
13201 Don't write size if SIZE == -1. */
13204 neon_two_same (int qbit, int ubit, int size)
13206 inst.instruction |= LOW4 (inst.operands[0].reg) << 12;
13207 inst.instruction |= HI1 (inst.operands[0].reg) << 22;
13208 inst.instruction |= LOW4 (inst.operands[1].reg);
13209 inst.instruction |= HI1 (inst.operands[1].reg) << 5;
13210 inst.instruction |= (qbit != 0) << 6;
13211 inst.instruction |= (ubit != 0) << 24;
13214 inst.instruction |= neon_logbits (size) << 18;
13216 neon_dp_fixup (&inst);
13219 /* Neon instruction encoders, in approximate order of appearance. */
13222 do_neon_dyadic_i_su (void)
13224 enum neon_shape rs = neon_select_shape (NS_DDD, NS_QQQ, NS_NULL);
13225 struct neon_type_el et = neon_check_type (3, rs,
13226 N_EQK, N_EQK, N_SU_32 | N_KEY);
13227 neon_three_same (neon_quad (rs), et.type == NT_unsigned, et.size);
13231 do_neon_dyadic_i64_su (void)
13233 enum neon_shape rs = neon_select_shape (NS_DDD, NS_QQQ, NS_NULL);
13234 struct neon_type_el et = neon_check_type (3, rs,
13235 N_EQK, N_EQK, N_SU_ALL | N_KEY);
13236 neon_three_same (neon_quad (rs), et.type == NT_unsigned, et.size);
13240 neon_imm_shift (int write_ubit, int uval, int isquad, struct neon_type_el et,
13243 unsigned size = et.size >> 3;
13244 inst.instruction |= LOW4 (inst.operands[0].reg) << 12;
13245 inst.instruction |= HI1 (inst.operands[0].reg) << 22;
13246 inst.instruction |= LOW4 (inst.operands[1].reg);
13247 inst.instruction |= HI1 (inst.operands[1].reg) << 5;
13248 inst.instruction |= (isquad != 0) << 6;
13249 inst.instruction |= immbits << 16;
13250 inst.instruction |= (size >> 3) << 7;
13251 inst.instruction |= (size & 0x7) << 19;
13253 inst.instruction |= (uval != 0) << 24;
13255 neon_dp_fixup (&inst);
13259 do_neon_shl_imm (void)
13261 if (!inst.operands[2].isreg)
13263 enum neon_shape rs = neon_select_shape (NS_DDI, NS_QQI, NS_NULL);
13264 struct neon_type_el et = neon_check_type (2, rs, N_EQK, N_KEY | N_I_ALL);
13265 NEON_ENCODE (IMMED, inst);
13266 neon_imm_shift (FALSE, 0, neon_quad (rs), et, inst.operands[2].imm);
13270 enum neon_shape rs = neon_select_shape (NS_DDD, NS_QQQ, NS_NULL);
13271 struct neon_type_el et = neon_check_type (3, rs,
13272 N_EQK, N_SU_ALL | N_KEY, N_EQK | N_SGN);
13275 /* VSHL/VQSHL 3-register variants have syntax such as:
13277 whereas other 3-register operations encoded by neon_three_same have
13280 (i.e. with Dn & Dm reversed). Swap operands[1].reg and operands[2].reg
13282 tmp = inst.operands[2].reg;
13283 inst.operands[2].reg = inst.operands[1].reg;
13284 inst.operands[1].reg = tmp;
13285 NEON_ENCODE (INTEGER, inst);
13286 neon_three_same (neon_quad (rs), et.type == NT_unsigned, et.size);
13291 do_neon_qshl_imm (void)
13293 if (!inst.operands[2].isreg)
13295 enum neon_shape rs = neon_select_shape (NS_DDI, NS_QQI, NS_NULL);
13296 struct neon_type_el et = neon_check_type (2, rs, N_EQK, N_SU_ALL | N_KEY);
13298 NEON_ENCODE (IMMED, inst);
13299 neon_imm_shift (TRUE, et.type == NT_unsigned, neon_quad (rs), et,
13300 inst.operands[2].imm);
13304 enum neon_shape rs = neon_select_shape (NS_DDD, NS_QQQ, NS_NULL);
13305 struct neon_type_el et = neon_check_type (3, rs,
13306 N_EQK, N_SU_ALL | N_KEY, N_EQK | N_SGN);
13309 /* See note in do_neon_shl_imm. */
13310 tmp = inst.operands[2].reg;
13311 inst.operands[2].reg = inst.operands[1].reg;
13312 inst.operands[1].reg = tmp;
13313 NEON_ENCODE (INTEGER, inst);
13314 neon_three_same (neon_quad (rs), et.type == NT_unsigned, et.size);
13319 do_neon_rshl (void)
13321 enum neon_shape rs = neon_select_shape (NS_DDD, NS_QQQ, NS_NULL);
13322 struct neon_type_el et = neon_check_type (3, rs,
13323 N_EQK, N_EQK, N_SU_ALL | N_KEY);
13326 tmp = inst.operands[2].reg;
13327 inst.operands[2].reg = inst.operands[1].reg;
13328 inst.operands[1].reg = tmp;
13329 neon_three_same (neon_quad (rs), et.type == NT_unsigned, et.size);
13333 neon_cmode_for_logic_imm (unsigned immediate, unsigned *immbits, int size)
13335 /* Handle .I8 pseudo-instructions. */
13338 /* Unfortunately, this will make everything apart from zero out-of-range.
13339 FIXME is this the intended semantics? There doesn't seem much point in
13340 accepting .I8 if so. */
13341 immediate |= immediate << 8;
13347 if (immediate == (immediate & 0x000000ff))
13349 *immbits = immediate;
13352 else if (immediate == (immediate & 0x0000ff00))
13354 *immbits = immediate >> 8;
13357 else if (immediate == (immediate & 0x00ff0000))
13359 *immbits = immediate >> 16;
13362 else if (immediate == (immediate & 0xff000000))
13364 *immbits = immediate >> 24;
13367 if ((immediate & 0xffff) != (immediate >> 16))
13368 goto bad_immediate;
13369 immediate &= 0xffff;
13372 if (immediate == (immediate & 0x000000ff))
13374 *immbits = immediate;
13377 else if (immediate == (immediate & 0x0000ff00))
13379 *immbits = immediate >> 8;
13384 first_error (_("immediate value out of range"));
13388 /* True if IMM has form 0bAAAAAAAABBBBBBBBCCCCCCCCDDDDDDDD for bits
13392 neon_bits_same_in_bytes (unsigned imm)
13394 return ((imm & 0x000000ff) == 0 || (imm & 0x000000ff) == 0x000000ff)
13395 && ((imm & 0x0000ff00) == 0 || (imm & 0x0000ff00) == 0x0000ff00)
13396 && ((imm & 0x00ff0000) == 0 || (imm & 0x00ff0000) == 0x00ff0000)
13397 && ((imm & 0xff000000) == 0 || (imm & 0xff000000) == 0xff000000);
13400 /* For immediate of above form, return 0bABCD. */
13403 neon_squash_bits (unsigned imm)
13405 return (imm & 0x01) | ((imm & 0x0100) >> 7) | ((imm & 0x010000) >> 14)
13406 | ((imm & 0x01000000) >> 21);
13409 /* Compress quarter-float representation to 0b...000 abcdefgh. */
13412 neon_qfloat_bits (unsigned imm)
13414 return ((imm >> 19) & 0x7f) | ((imm >> 24) & 0x80);
13417 /* Returns CMODE. IMMBITS [7:0] is set to bits suitable for inserting into
13418 the instruction. *OP is passed as the initial value of the op field, and
13419 may be set to a different value depending on the constant (i.e.
13420 "MOV I64, 0bAAAAAAAABBBB..." which uses OP = 1 despite being MOV not
13421 MVN). If the immediate looks like a repeated pattern then also
13422 try smaller element sizes. */
13425 neon_cmode_for_move_imm (unsigned immlo, unsigned immhi, int float_p,
13426 unsigned *immbits, int *op, int size,
13427 enum neon_el_type type)
13429 /* Only permit float immediates (including 0.0/-0.0) if the operand type is
13431 if (type == NT_float && !float_p)
13434 if (type == NT_float && is_quarter_float (immlo) && immhi == 0)
13436 if (size != 32 || *op == 1)
13438 *immbits = neon_qfloat_bits (immlo);
13444 if (neon_bits_same_in_bytes (immhi)
13445 && neon_bits_same_in_bytes (immlo))
13449 *immbits = (neon_squash_bits (immhi) << 4)
13450 | neon_squash_bits (immlo);
13455 if (immhi != immlo)
13461 if (immlo == (immlo & 0x000000ff))
13466 else if (immlo == (immlo & 0x0000ff00))
13468 *immbits = immlo >> 8;
13471 else if (immlo == (immlo & 0x00ff0000))
13473 *immbits = immlo >> 16;
13476 else if (immlo == (immlo & 0xff000000))
13478 *immbits = immlo >> 24;
13481 else if (immlo == ((immlo & 0x0000ff00) | 0x000000ff))
13483 *immbits = (immlo >> 8) & 0xff;
13486 else if (immlo == ((immlo & 0x00ff0000) | 0x0000ffff))
13488 *immbits = (immlo >> 16) & 0xff;
13492 if ((immlo & 0xffff) != (immlo >> 16))
13499 if (immlo == (immlo & 0x000000ff))
13504 else if (immlo == (immlo & 0x0000ff00))
13506 *immbits = immlo >> 8;
13510 if ((immlo & 0xff) != (immlo >> 8))
13515 if (immlo == (immlo & 0x000000ff))
13517 /* Don't allow MVN with 8-bit immediate. */
13527 /* Write immediate bits [7:0] to the following locations:
13529 |28/24|23 19|18 16|15 4|3 0|
13530 | a |x x x x x|b c d|x x x x x x x x x x x x|e f g h|
13532 This function is used by VMOV/VMVN/VORR/VBIC. */
13535 neon_write_immbits (unsigned immbits)
13537 inst.instruction |= immbits & 0xf;
13538 inst.instruction |= ((immbits >> 4) & 0x7) << 16;
13539 inst.instruction |= ((immbits >> 7) & 0x1) << 24;
13542 /* Invert low-order SIZE bits of XHI:XLO. */
13545 neon_invert_size (unsigned *xlo, unsigned *xhi, int size)
13547 unsigned immlo = xlo ? *xlo : 0;
13548 unsigned immhi = xhi ? *xhi : 0;
13553 immlo = (~immlo) & 0xff;
13557 immlo = (~immlo) & 0xffff;
13561 immhi = (~immhi) & 0xffffffff;
13562 /* fall through. */
13565 immlo = (~immlo) & 0xffffffff;
13580 do_neon_logic (void)
13582 if (inst.operands[2].present && inst.operands[2].isreg)
13584 enum neon_shape rs = neon_select_shape (NS_DDD, NS_QQQ, NS_NULL);
13585 neon_check_type (3, rs, N_IGNORE_TYPE);
13586 /* U bit and size field were set as part of the bitmask. */
13587 NEON_ENCODE (INTEGER, inst);
13588 neon_three_same (neon_quad (rs), 0, -1);
13592 const int three_ops_form = (inst.operands[2].present
13593 && !inst.operands[2].isreg);
13594 const int immoperand = (three_ops_form ? 2 : 1);
13595 enum neon_shape rs = (three_ops_form
13596 ? neon_select_shape (NS_DDI, NS_QQI, NS_NULL)
13597 : neon_select_shape (NS_DI, NS_QI, NS_NULL));
13598 struct neon_type_el et = neon_check_type (2, rs,
13599 N_I8 | N_I16 | N_I32 | N_I64 | N_F32 | N_KEY, N_EQK);
13600 enum neon_opc opcode = (enum neon_opc) inst.instruction & 0x0fffffff;
13604 if (et.type == NT_invtype)
13607 if (three_ops_form)
13608 constraint (inst.operands[0].reg != inst.operands[1].reg,
13609 _("first and second operands shall be the same register"));
13611 NEON_ENCODE (IMMED, inst);
13613 immbits = inst.operands[immoperand].imm;
13616 /* .i64 is a pseudo-op, so the immediate must be a repeating
13618 if (immbits != (inst.operands[immoperand].regisimm ?
13619 inst.operands[immoperand].reg : 0))
13621 /* Set immbits to an invalid constant. */
13622 immbits = 0xdeadbeef;
13629 cmode = neon_cmode_for_logic_imm (immbits, &immbits, et.size);
13633 cmode = neon_cmode_for_logic_imm (immbits, &immbits, et.size);
13637 /* Pseudo-instruction for VBIC. */
13638 neon_invert_size (&immbits, 0, et.size);
13639 cmode = neon_cmode_for_logic_imm (immbits, &immbits, et.size);
13643 /* Pseudo-instruction for VORR. */
13644 neon_invert_size (&immbits, 0, et.size);
13645 cmode = neon_cmode_for_logic_imm (immbits, &immbits, et.size);
13655 inst.instruction |= neon_quad (rs) << 6;
13656 inst.instruction |= LOW4 (inst.operands[0].reg) << 12;
13657 inst.instruction |= HI1 (inst.operands[0].reg) << 22;
13658 inst.instruction |= cmode << 8;
13659 neon_write_immbits (immbits);
13661 neon_dp_fixup (&inst);
13666 do_neon_bitfield (void)
13668 enum neon_shape rs = neon_select_shape (NS_DDD, NS_QQQ, NS_NULL);
13669 neon_check_type (3, rs, N_IGNORE_TYPE);
13670 neon_three_same (neon_quad (rs), 0, -1);
13674 neon_dyadic_misc (enum neon_el_type ubit_meaning, unsigned types,
13677 enum neon_shape rs = neon_select_shape (NS_DDD, NS_QQQ, NS_NULL);
13678 struct neon_type_el et = neon_check_type (3, rs, N_EQK | destbits, N_EQK,
13680 if (et.type == NT_float)
13682 NEON_ENCODE (FLOAT, inst);
13683 neon_three_same (neon_quad (rs), 0, -1);
13687 NEON_ENCODE (INTEGER, inst);
13688 neon_three_same (neon_quad (rs), et.type == ubit_meaning, et.size);
13693 do_neon_dyadic_if_su (void)
13695 neon_dyadic_misc (NT_unsigned, N_SUF_32, 0);
13699 do_neon_dyadic_if_su_d (void)
13701 /* This version only allow D registers, but that constraint is enforced during
13702 operand parsing so we don't need to do anything extra here. */
13703 neon_dyadic_misc (NT_unsigned, N_SUF_32, 0);
13707 do_neon_dyadic_if_i_d (void)
13709 /* The "untyped" case can't happen. Do this to stop the "U" bit being
13710 affected if we specify unsigned args. */
13711 neon_dyadic_misc (NT_untyped, N_IF_32, 0);
13714 enum vfp_or_neon_is_neon_bits
13717 NEON_CHECK_ARCH = 2
13720 /* Call this function if an instruction which may have belonged to the VFP or
13721 Neon instruction sets, but turned out to be a Neon instruction (due to the
13722 operand types involved, etc.). We have to check and/or fix-up a couple of
13725 - Make sure the user hasn't attempted to make a Neon instruction
13727 - Alter the value in the condition code field if necessary.
13728 - Make sure that the arch supports Neon instructions.
13730 Which of these operations take place depends on bits from enum
13731 vfp_or_neon_is_neon_bits.
13733 WARNING: This function has side effects! If NEON_CHECK_CC is used and the
13734 current instruction's condition is COND_ALWAYS, the condition field is
13735 changed to inst.uncond_value. This is necessary because instructions shared
13736 between VFP and Neon may be conditional for the VFP variants only, and the
13737 unconditional Neon version must have, e.g., 0xF in the condition field. */
13740 vfp_or_neon_is_neon (unsigned check)
13742 /* Conditions are always legal in Thumb mode (IT blocks). */
13743 if (!thumb_mode && (check & NEON_CHECK_CC))
13745 if (inst.cond != COND_ALWAYS)
13747 first_error (_(BAD_COND));
13750 if (inst.uncond_value != -1)
13751 inst.instruction |= inst.uncond_value << 28;
13754 if ((check & NEON_CHECK_ARCH)
13755 && !ARM_CPU_HAS_FEATURE (cpu_variant, fpu_neon_ext_v1))
13757 first_error (_(BAD_FPU));
13765 do_neon_addsub_if_i (void)
13767 if (try_vfp_nsyn (3, do_vfp_nsyn_add_sub) == SUCCESS)
13770 if (vfp_or_neon_is_neon (NEON_CHECK_CC | NEON_CHECK_ARCH) == FAIL)
13773 /* The "untyped" case can't happen. Do this to stop the "U" bit being
13774 affected if we specify unsigned args. */
13775 neon_dyadic_misc (NT_untyped, N_IF_32 | N_I64, 0);
13778 /* Swaps operands 1 and 2. If operand 1 (optional arg) was omitted, we want the
13780 V<op> A,B (A is operand 0, B is operand 2)
13785 so handle that case specially. */
13788 neon_exchange_operands (void)
13790 void *scratch = alloca (sizeof (inst.operands[0]));
13791 if (inst.operands[1].present)
13793 /* Swap operands[1] and operands[2]. */
13794 memcpy (scratch, &inst.operands[1], sizeof (inst.operands[0]));
13795 inst.operands[1] = inst.operands[2];
13796 memcpy (&inst.operands[2], scratch, sizeof (inst.operands[0]));
13800 inst.operands[1] = inst.operands[2];
13801 inst.operands[2] = inst.operands[0];
13806 neon_compare (unsigned regtypes, unsigned immtypes, int invert)
13808 if (inst.operands[2].isreg)
13811 neon_exchange_operands ();
13812 neon_dyadic_misc (NT_unsigned, regtypes, N_SIZ);
13816 enum neon_shape rs = neon_select_shape (NS_DDI, NS_QQI, NS_NULL);
13817 struct neon_type_el et = neon_check_type (2, rs,
13818 N_EQK | N_SIZ, immtypes | N_KEY);
13820 NEON_ENCODE (IMMED, inst);
13821 inst.instruction |= LOW4 (inst.operands[0].reg) << 12;
13822 inst.instruction |= HI1 (inst.operands[0].reg) << 22;
13823 inst.instruction |= LOW4 (inst.operands[1].reg);
13824 inst.instruction |= HI1 (inst.operands[1].reg) << 5;
13825 inst.instruction |= neon_quad (rs) << 6;
13826 inst.instruction |= (et.type == NT_float) << 10;
13827 inst.instruction |= neon_logbits (et.size) << 18;
13829 neon_dp_fixup (&inst);
13836 neon_compare (N_SUF_32, N_S8 | N_S16 | N_S32 | N_F32, FALSE);
13840 do_neon_cmp_inv (void)
13842 neon_compare (N_SUF_32, N_S8 | N_S16 | N_S32 | N_F32, TRUE);
13848 neon_compare (N_IF_32, N_IF_32, FALSE);
13851 /* For multiply instructions, we have the possibility of 16-bit or 32-bit
13852 scalars, which are encoded in 5 bits, M : Rm.
13853 For 16-bit scalars, the register is encoded in Rm[2:0] and the index in
13854 M:Rm[3], and for 32-bit scalars, the register is encoded in Rm[3:0] and the
13858 neon_scalar_for_mul (unsigned scalar, unsigned elsize)
13860 unsigned regno = NEON_SCALAR_REG (scalar);
13861 unsigned elno = NEON_SCALAR_INDEX (scalar);
13866 if (regno > 7 || elno > 3)
13868 return regno | (elno << 3);
13871 if (regno > 15 || elno > 1)
13873 return regno | (elno << 4);
13877 first_error (_("scalar out of range for multiply instruction"));
13883 /* Encode multiply / multiply-accumulate scalar instructions. */
13886 neon_mul_mac (struct neon_type_el et, int ubit)
13890 /* Give a more helpful error message if we have an invalid type. */
13891 if (et.type == NT_invtype)
13894 scalar = neon_scalar_for_mul (inst.operands[2].reg, et.size);
13895 inst.instruction |= LOW4 (inst.operands[0].reg) << 12;
13896 inst.instruction |= HI1 (inst.operands[0].reg) << 22;
13897 inst.instruction |= LOW4 (inst.operands[1].reg) << 16;
13898 inst.instruction |= HI1 (inst.operands[1].reg) << 7;
13899 inst.instruction |= LOW4 (scalar);
13900 inst.instruction |= HI1 (scalar) << 5;
13901 inst.instruction |= (et.type == NT_float) << 8;
13902 inst.instruction |= neon_logbits (et.size) << 20;
13903 inst.instruction |= (ubit != 0) << 24;
13905 neon_dp_fixup (&inst);
13909 do_neon_mac_maybe_scalar (void)
13911 if (try_vfp_nsyn (3, do_vfp_nsyn_mla_mls) == SUCCESS)
13914 if (vfp_or_neon_is_neon (NEON_CHECK_CC | NEON_CHECK_ARCH) == FAIL)
13917 if (inst.operands[2].isscalar)
13919 enum neon_shape rs = neon_select_shape (NS_DDS, NS_QQS, NS_NULL);
13920 struct neon_type_el et = neon_check_type (3, rs,
13921 N_EQK, N_EQK, N_I16 | N_I32 | N_F32 | N_KEY);
13922 NEON_ENCODE (SCALAR, inst);
13923 neon_mul_mac (et, neon_quad (rs));
13927 /* The "untyped" case can't happen. Do this to stop the "U" bit being
13928 affected if we specify unsigned args. */
13929 neon_dyadic_misc (NT_untyped, N_IF_32, 0);
13934 do_neon_fmac (void)
13936 if (try_vfp_nsyn (3, do_vfp_nsyn_fma_fms) == SUCCESS)
13939 if (vfp_or_neon_is_neon (NEON_CHECK_CC | NEON_CHECK_ARCH) == FAIL)
13942 neon_dyadic_misc (NT_untyped, N_IF_32, 0);
13948 enum neon_shape rs = neon_select_shape (NS_DDD, NS_QQQ, NS_NULL);
13949 struct neon_type_el et = neon_check_type (3, rs,
13950 N_EQK, N_EQK, N_8 | N_16 | N_32 | N_KEY);
13951 neon_three_same (neon_quad (rs), 0, et.size);
13954 /* VMUL with 3 registers allows the P8 type. The scalar version supports the
13955 same types as the MAC equivalents. The polynomial type for this instruction
13956 is encoded the same as the integer type. */
13961 if (try_vfp_nsyn (3, do_vfp_nsyn_mul) == SUCCESS)
13964 if (vfp_or_neon_is_neon (NEON_CHECK_CC | NEON_CHECK_ARCH) == FAIL)
13967 if (inst.operands[2].isscalar)
13968 do_neon_mac_maybe_scalar ();
13970 neon_dyadic_misc (NT_poly, N_I8 | N_I16 | N_I32 | N_F32 | N_P8, 0);
13974 do_neon_qdmulh (void)
13976 if (inst.operands[2].isscalar)
13978 enum neon_shape rs = neon_select_shape (NS_DDS, NS_QQS, NS_NULL);
13979 struct neon_type_el et = neon_check_type (3, rs,
13980 N_EQK, N_EQK, N_S16 | N_S32 | N_KEY);
13981 NEON_ENCODE (SCALAR, inst);
13982 neon_mul_mac (et, neon_quad (rs));
13986 enum neon_shape rs = neon_select_shape (NS_DDD, NS_QQQ, NS_NULL);
13987 struct neon_type_el et = neon_check_type (3, rs,
13988 N_EQK, N_EQK, N_S16 | N_S32 | N_KEY);
13989 NEON_ENCODE (INTEGER, inst);
13990 /* The U bit (rounding) comes from bit mask. */
13991 neon_three_same (neon_quad (rs), 0, et.size);
13996 do_neon_fcmp_absolute (void)
13998 enum neon_shape rs = neon_select_shape (NS_DDD, NS_QQQ, NS_NULL);
13999 neon_check_type (3, rs, N_EQK, N_EQK, N_F32 | N_KEY);
14000 /* Size field comes from bit mask. */
14001 neon_three_same (neon_quad (rs), 1, -1);
14005 do_neon_fcmp_absolute_inv (void)
14007 neon_exchange_operands ();
14008 do_neon_fcmp_absolute ();
14012 do_neon_step (void)
14014 enum neon_shape rs = neon_select_shape (NS_DDD, NS_QQQ, NS_NULL);
14015 neon_check_type (3, rs, N_EQK, N_EQK, N_F32 | N_KEY);
14016 neon_three_same (neon_quad (rs), 0, -1);
14020 do_neon_abs_neg (void)
14022 enum neon_shape rs;
14023 struct neon_type_el et;
14025 if (try_vfp_nsyn (2, do_vfp_nsyn_abs_neg) == SUCCESS)
14028 if (vfp_or_neon_is_neon (NEON_CHECK_CC | NEON_CHECK_ARCH) == FAIL)
14031 rs = neon_select_shape (NS_DD, NS_QQ, NS_NULL);
14032 et = neon_check_type (2, rs, N_EQK, N_S8 | N_S16 | N_S32 | N_F32 | N_KEY);
14034 inst.instruction |= LOW4 (inst.operands[0].reg) << 12;
14035 inst.instruction |= HI1 (inst.operands[0].reg) << 22;
14036 inst.instruction |= LOW4 (inst.operands[1].reg);
14037 inst.instruction |= HI1 (inst.operands[1].reg) << 5;
14038 inst.instruction |= neon_quad (rs) << 6;
14039 inst.instruction |= (et.type == NT_float) << 10;
14040 inst.instruction |= neon_logbits (et.size) << 18;
14042 neon_dp_fixup (&inst);
14048 enum neon_shape rs = neon_select_shape (NS_DDI, NS_QQI, NS_NULL);
14049 struct neon_type_el et = neon_check_type (2, rs,
14050 N_EQK, N_8 | N_16 | N_32 | N_64 | N_KEY);
14051 int imm = inst.operands[2].imm;
14052 constraint (imm < 0 || (unsigned)imm >= et.size,
14053 _("immediate out of range for insert"));
14054 neon_imm_shift (FALSE, 0, neon_quad (rs), et, imm);
14060 enum neon_shape rs = neon_select_shape (NS_DDI, NS_QQI, NS_NULL);
14061 struct neon_type_el et = neon_check_type (2, rs,
14062 N_EQK, N_8 | N_16 | N_32 | N_64 | N_KEY);
14063 int imm = inst.operands[2].imm;
14064 constraint (imm < 1 || (unsigned)imm > et.size,
14065 _("immediate out of range for insert"));
14066 neon_imm_shift (FALSE, 0, neon_quad (rs), et, et.size - imm);
14070 do_neon_qshlu_imm (void)
14072 enum neon_shape rs = neon_select_shape (NS_DDI, NS_QQI, NS_NULL);
14073 struct neon_type_el et = neon_check_type (2, rs,
14074 N_EQK | N_UNS, N_S8 | N_S16 | N_S32 | N_S64 | N_KEY);
14075 int imm = inst.operands[2].imm;
14076 constraint (imm < 0 || (unsigned)imm >= et.size,
14077 _("immediate out of range for shift"));
14078 /* Only encodes the 'U present' variant of the instruction.
14079 In this case, signed types have OP (bit 8) set to 0.
14080 Unsigned types have OP set to 1. */
14081 inst.instruction |= (et.type == NT_unsigned) << 8;
14082 /* The rest of the bits are the same as other immediate shifts. */
14083 neon_imm_shift (FALSE, 0, neon_quad (rs), et, imm);
14087 do_neon_qmovn (void)
14089 struct neon_type_el et = neon_check_type (2, NS_DQ,
14090 N_EQK | N_HLF, N_SU_16_64 | N_KEY);
14091 /* Saturating move where operands can be signed or unsigned, and the
14092 destination has the same signedness. */
14093 NEON_ENCODE (INTEGER, inst);
14094 if (et.type == NT_unsigned)
14095 inst.instruction |= 0xc0;
14097 inst.instruction |= 0x80;
14098 neon_two_same (0, 1, et.size / 2);
14102 do_neon_qmovun (void)
14104 struct neon_type_el et = neon_check_type (2, NS_DQ,
14105 N_EQK | N_HLF | N_UNS, N_S16 | N_S32 | N_S64 | N_KEY);
14106 /* Saturating move with unsigned results. Operands must be signed. */
14107 NEON_ENCODE (INTEGER, inst);
14108 neon_two_same (0, 1, et.size / 2);
14112 do_neon_rshift_sat_narrow (void)
14114 /* FIXME: Types for narrowing. If operands are signed, results can be signed
14115 or unsigned. If operands are unsigned, results must also be unsigned. */
14116 struct neon_type_el et = neon_check_type (2, NS_DQI,
14117 N_EQK | N_HLF, N_SU_16_64 | N_KEY);
14118 int imm = inst.operands[2].imm;
14119 /* This gets the bounds check, size encoding and immediate bits calculation
14123 /* VQ{R}SHRN.I<size> <Dd>, <Qm>, #0 is a synonym for
14124 VQMOVN.I<size> <Dd>, <Qm>. */
14127 inst.operands[2].present = 0;
14128 inst.instruction = N_MNEM_vqmovn;
14133 constraint (imm < 1 || (unsigned)imm > et.size,
14134 _("immediate out of range"));
14135 neon_imm_shift (TRUE, et.type == NT_unsigned, 0, et, et.size - imm);
14139 do_neon_rshift_sat_narrow_u (void)
14141 /* FIXME: Types for narrowing. If operands are signed, results can be signed
14142 or unsigned. If operands are unsigned, results must also be unsigned. */
14143 struct neon_type_el et = neon_check_type (2, NS_DQI,
14144 N_EQK | N_HLF | N_UNS, N_S16 | N_S32 | N_S64 | N_KEY);
14145 int imm = inst.operands[2].imm;
14146 /* This gets the bounds check, size encoding and immediate bits calculation
14150 /* VQSHRUN.I<size> <Dd>, <Qm>, #0 is a synonym for
14151 VQMOVUN.I<size> <Dd>, <Qm>. */
14154 inst.operands[2].present = 0;
14155 inst.instruction = N_MNEM_vqmovun;
14160 constraint (imm < 1 || (unsigned)imm > et.size,
14161 _("immediate out of range"));
14162 /* FIXME: The manual is kind of unclear about what value U should have in
14163 VQ{R}SHRUN instructions, but U=0, op=0 definitely encodes VRSHR, so it
14165 neon_imm_shift (TRUE, 1, 0, et, et.size - imm);
14169 do_neon_movn (void)
14171 struct neon_type_el et = neon_check_type (2, NS_DQ,
14172 N_EQK | N_HLF, N_I16 | N_I32 | N_I64 | N_KEY);
14173 NEON_ENCODE (INTEGER, inst);
14174 neon_two_same (0, 1, et.size / 2);
14178 do_neon_rshift_narrow (void)
14180 struct neon_type_el et = neon_check_type (2, NS_DQI,
14181 N_EQK | N_HLF, N_I16 | N_I32 | N_I64 | N_KEY);
14182 int imm = inst.operands[2].imm;
14183 /* This gets the bounds check, size encoding and immediate bits calculation
14187 /* If immediate is zero then we are a pseudo-instruction for
14188 VMOVN.I<size> <Dd>, <Qm> */
14191 inst.operands[2].present = 0;
14192 inst.instruction = N_MNEM_vmovn;
14197 constraint (imm < 1 || (unsigned)imm > et.size,
14198 _("immediate out of range for narrowing operation"));
14199 neon_imm_shift (FALSE, 0, 0, et, et.size - imm);
14203 do_neon_shll (void)
14205 /* FIXME: Type checking when lengthening. */
14206 struct neon_type_el et = neon_check_type (2, NS_QDI,
14207 N_EQK | N_DBL, N_I8 | N_I16 | N_I32 | N_KEY);
14208 unsigned imm = inst.operands[2].imm;
14210 if (imm == et.size)
14212 /* Maximum shift variant. */
14213 NEON_ENCODE (INTEGER, inst);
14214 inst.instruction |= LOW4 (inst.operands[0].reg) << 12;
14215 inst.instruction |= HI1 (inst.operands[0].reg) << 22;
14216 inst.instruction |= LOW4 (inst.operands[1].reg);
14217 inst.instruction |= HI1 (inst.operands[1].reg) << 5;
14218 inst.instruction |= neon_logbits (et.size) << 18;
14220 neon_dp_fixup (&inst);
14224 /* A more-specific type check for non-max versions. */
14225 et = neon_check_type (2, NS_QDI,
14226 N_EQK | N_DBL, N_SU_32 | N_KEY);
14227 NEON_ENCODE (IMMED, inst);
14228 neon_imm_shift (TRUE, et.type == NT_unsigned, 0, et, imm);
14232 /* Check the various types for the VCVT instruction, and return which version
14233 the current instruction is. */
14236 neon_cvt_flavour (enum neon_shape rs)
14238 #define CVT_VAR(C,X,Y) \
14239 et = neon_check_type (2, rs, whole_reg | (X), whole_reg | (Y)); \
14240 if (et.type != NT_invtype) \
14242 inst.error = NULL; \
14245 struct neon_type_el et;
14246 unsigned whole_reg = (rs == NS_FFI || rs == NS_FD || rs == NS_DF
14247 || rs == NS_FF) ? N_VFP : 0;
14248 /* The instruction versions which take an immediate take one register
14249 argument, which is extended to the width of the full register. Thus the
14250 "source" and "destination" registers must have the same width. Hack that
14251 here by making the size equal to the key (wider, in this case) operand. */
14252 unsigned key = (rs == NS_QQI || rs == NS_DDI || rs == NS_FFI) ? N_KEY : 0;
14254 CVT_VAR (0, N_S32, N_F32);
14255 CVT_VAR (1, N_U32, N_F32);
14256 CVT_VAR (2, N_F32, N_S32);
14257 CVT_VAR (3, N_F32, N_U32);
14258 /* Half-precision conversions. */
14259 CVT_VAR (4, N_F32, N_F16);
14260 CVT_VAR (5, N_F16, N_F32);
14264 /* VFP instructions. */
14265 CVT_VAR (6, N_F32, N_F64);
14266 CVT_VAR (7, N_F64, N_F32);
14267 CVT_VAR (8, N_S32, N_F64 | key);
14268 CVT_VAR (9, N_U32, N_F64 | key);
14269 CVT_VAR (10, N_F64 | key, N_S32);
14270 CVT_VAR (11, N_F64 | key, N_U32);
14271 /* VFP instructions with bitshift. */
14272 CVT_VAR (12, N_F32 | key, N_S16);
14273 CVT_VAR (13, N_F32 | key, N_U16);
14274 CVT_VAR (14, N_F64 | key, N_S16);
14275 CVT_VAR (15, N_F64 | key, N_U16);
14276 CVT_VAR (16, N_S16, N_F32 | key);
14277 CVT_VAR (17, N_U16, N_F32 | key);
14278 CVT_VAR (18, N_S16, N_F64 | key);
14279 CVT_VAR (19, N_U16, N_F64 | key);
14285 /* Neon-syntax VFP conversions. */
14288 do_vfp_nsyn_cvt (enum neon_shape rs, int flavour)
14290 const char *opname = 0;
14292 if (rs == NS_DDI || rs == NS_QQI || rs == NS_FFI)
14294 /* Conversions with immediate bitshift. */
14295 const char *enc[] =
14319 if (flavour >= 0 && flavour < (int) ARRAY_SIZE (enc))
14321 opname = enc[flavour];
14322 constraint (inst.operands[0].reg != inst.operands[1].reg,
14323 _("operands 0 and 1 must be the same register"));
14324 inst.operands[1] = inst.operands[2];
14325 memset (&inst.operands[2], '\0', sizeof (inst.operands[2]));
14330 /* Conversions without bitshift. */
14331 const char *enc[] =
14347 if (flavour >= 0 && flavour < (int) ARRAY_SIZE (enc))
14348 opname = enc[flavour];
14352 do_vfp_nsyn_opcode (opname);
14356 do_vfp_nsyn_cvtz (void)
14358 enum neon_shape rs = neon_select_shape (NS_FF, NS_FD, NS_NULL);
14359 int flavour = neon_cvt_flavour (rs);
14360 const char *enc[] =
14374 if (flavour >= 0 && flavour < (int) ARRAY_SIZE (enc) && enc[flavour])
14375 do_vfp_nsyn_opcode (enc[flavour]);
14379 do_neon_cvt_1 (bfd_boolean round_to_zero ATTRIBUTE_UNUSED)
14381 enum neon_shape rs = neon_select_shape (NS_DDI, NS_QQI, NS_FFI, NS_DD, NS_QQ,
14382 NS_FD, NS_DF, NS_FF, NS_QD, NS_DQ, NS_NULL);
14383 int flavour = neon_cvt_flavour (rs);
14385 /* PR11109: Handle round-to-zero for VCVT conversions. */
14387 && ARM_CPU_HAS_FEATURE (cpu_variant, fpu_arch_vfp_v2)
14388 && (flavour == 0 || flavour == 1 || flavour == 8 || flavour == 9)
14389 && (rs == NS_FD || rs == NS_FF))
14391 do_vfp_nsyn_cvtz ();
14395 /* VFP rather than Neon conversions. */
14398 do_vfp_nsyn_cvt (rs, flavour);
14408 unsigned enctab[] = { 0x0000100, 0x1000100, 0x0, 0x1000000 };
14410 if (vfp_or_neon_is_neon (NEON_CHECK_CC | NEON_CHECK_ARCH) == FAIL)
14413 /* Fixed-point conversion with #0 immediate is encoded as an
14414 integer conversion. */
14415 if (inst.operands[2].present && inst.operands[2].imm == 0)
14417 immbits = 32 - inst.operands[2].imm;
14418 NEON_ENCODE (IMMED, inst);
14420 inst.instruction |= enctab[flavour];
14421 inst.instruction |= LOW4 (inst.operands[0].reg) << 12;
14422 inst.instruction |= HI1 (inst.operands[0].reg) << 22;
14423 inst.instruction |= LOW4 (inst.operands[1].reg);
14424 inst.instruction |= HI1 (inst.operands[1].reg) << 5;
14425 inst.instruction |= neon_quad (rs) << 6;
14426 inst.instruction |= 1 << 21;
14427 inst.instruction |= immbits << 16;
14429 neon_dp_fixup (&inst);
14437 unsigned enctab[] = { 0x100, 0x180, 0x0, 0x080 };
14439 NEON_ENCODE (INTEGER, inst);
14441 if (vfp_or_neon_is_neon (NEON_CHECK_CC | NEON_CHECK_ARCH) == FAIL)
14445 inst.instruction |= enctab[flavour];
14447 inst.instruction |= LOW4 (inst.operands[0].reg) << 12;
14448 inst.instruction |= HI1 (inst.operands[0].reg) << 22;
14449 inst.instruction |= LOW4 (inst.operands[1].reg);
14450 inst.instruction |= HI1 (inst.operands[1].reg) << 5;
14451 inst.instruction |= neon_quad (rs) << 6;
14452 inst.instruction |= 2 << 18;
14454 neon_dp_fixup (&inst);
14458 /* Half-precision conversions for Advanced SIMD -- neon. */
14463 && (inst.vectype.el[0].size != 16 || inst.vectype.el[1].size != 32))
14465 as_bad (_("operand size must match register width"));
14470 && ((inst.vectype.el[0].size != 32 || inst.vectype.el[1].size != 16)))
14472 as_bad (_("operand size must match register width"));
14477 inst.instruction = 0x3b60600;
14479 inst.instruction = 0x3b60700;
14481 inst.instruction |= LOW4 (inst.operands[0].reg) << 12;
14482 inst.instruction |= HI1 (inst.operands[0].reg) << 22;
14483 inst.instruction |= LOW4 (inst.operands[1].reg);
14484 inst.instruction |= HI1 (inst.operands[1].reg) << 5;
14485 neon_dp_fixup (&inst);
14489 /* Some VFP conversions go here (s32 <-> f32, u32 <-> f32). */
14490 do_vfp_nsyn_cvt (rs, flavour);
14495 do_neon_cvtr (void)
14497 do_neon_cvt_1 (FALSE);
14503 do_neon_cvt_1 (TRUE);
14507 do_neon_cvtb (void)
14509 inst.instruction = 0xeb20a40;
14511 /* The sizes are attached to the mnemonic. */
14512 if (inst.vectype.el[0].type != NT_invtype
14513 && inst.vectype.el[0].size == 16)
14514 inst.instruction |= 0x00010000;
14516 /* Programmer's syntax: the sizes are attached to the operands. */
14517 else if (inst.operands[0].vectype.type != NT_invtype
14518 && inst.operands[0].vectype.size == 16)
14519 inst.instruction |= 0x00010000;
14521 encode_arm_vfp_reg (inst.operands[0].reg, VFP_REG_Sd);
14522 encode_arm_vfp_reg (inst.operands[1].reg, VFP_REG_Sm);
14523 do_vfp_cond_or_thumb ();
14528 do_neon_cvtt (void)
14531 inst.instruction |= 0x80;
14535 neon_move_immediate (void)
14537 enum neon_shape rs = neon_select_shape (NS_DI, NS_QI, NS_NULL);
14538 struct neon_type_el et = neon_check_type (2, rs,
14539 N_I8 | N_I16 | N_I32 | N_I64 | N_F32 | N_KEY, N_EQK);
14540 unsigned immlo, immhi = 0, immbits;
14541 int op, cmode, float_p;
14543 constraint (et.type == NT_invtype,
14544 _("operand size must be specified for immediate VMOV"));
14546 /* We start out as an MVN instruction if OP = 1, MOV otherwise. */
14547 op = (inst.instruction & (1 << 5)) != 0;
14549 immlo = inst.operands[1].imm;
14550 if (inst.operands[1].regisimm)
14551 immhi = inst.operands[1].reg;
14553 constraint (et.size < 32 && (immlo & ~((1 << et.size) - 1)) != 0,
14554 _("immediate has bits set outside the operand size"));
14556 float_p = inst.operands[1].immisfloat;
14558 if ((cmode = neon_cmode_for_move_imm (immlo, immhi, float_p, &immbits, &op,
14559 et.size, et.type)) == FAIL)
14561 /* Invert relevant bits only. */
14562 neon_invert_size (&immlo, &immhi, et.size);
14563 /* Flip from VMOV/VMVN to VMVN/VMOV. Some immediate types are unavailable
14564 with one or the other; those cases are caught by
14565 neon_cmode_for_move_imm. */
14567 if ((cmode = neon_cmode_for_move_imm (immlo, immhi, float_p, &immbits,
14568 &op, et.size, et.type)) == FAIL)
14570 first_error (_("immediate out of range"));
14575 inst.instruction &= ~(1 << 5);
14576 inst.instruction |= op << 5;
14578 inst.instruction |= LOW4 (inst.operands[0].reg) << 12;
14579 inst.instruction |= HI1 (inst.operands[0].reg) << 22;
14580 inst.instruction |= neon_quad (rs) << 6;
14581 inst.instruction |= cmode << 8;
14583 neon_write_immbits (immbits);
14589 if (inst.operands[1].isreg)
14591 enum neon_shape rs = neon_select_shape (NS_DD, NS_QQ, NS_NULL);
14593 NEON_ENCODE (INTEGER, inst);
14594 inst.instruction |= LOW4 (inst.operands[0].reg) << 12;
14595 inst.instruction |= HI1 (inst.operands[0].reg) << 22;
14596 inst.instruction |= LOW4 (inst.operands[1].reg);
14597 inst.instruction |= HI1 (inst.operands[1].reg) << 5;
14598 inst.instruction |= neon_quad (rs) << 6;
14602 NEON_ENCODE (IMMED, inst);
14603 neon_move_immediate ();
14606 neon_dp_fixup (&inst);
14609 /* Encode instructions of form:
14611 |28/24|23|22|21 20|19 16|15 12|11 8|7|6|5|4|3 0|
14612 | U |x |D |size | Rn | Rd |x x x x|N|x|M|x| Rm | */
14615 neon_mixed_length (struct neon_type_el et, unsigned size)
14617 inst.instruction |= LOW4 (inst.operands[0].reg) << 12;
14618 inst.instruction |= HI1 (inst.operands[0].reg) << 22;
14619 inst.instruction |= LOW4 (inst.operands[1].reg) << 16;
14620 inst.instruction |= HI1 (inst.operands[1].reg) << 7;
14621 inst.instruction |= LOW4 (inst.operands[2].reg);
14622 inst.instruction |= HI1 (inst.operands[2].reg) << 5;
14623 inst.instruction |= (et.type == NT_unsigned) << 24;
14624 inst.instruction |= neon_logbits (size) << 20;
14626 neon_dp_fixup (&inst);
14630 do_neon_dyadic_long (void)
14632 /* FIXME: Type checking for lengthening op. */
14633 struct neon_type_el et = neon_check_type (3, NS_QDD,
14634 N_EQK | N_DBL, N_EQK, N_SU_32 | N_KEY);
14635 neon_mixed_length (et, et.size);
14639 do_neon_abal (void)
14641 struct neon_type_el et = neon_check_type (3, NS_QDD,
14642 N_EQK | N_INT | N_DBL, N_EQK, N_SU_32 | N_KEY);
14643 neon_mixed_length (et, et.size);
14647 neon_mac_reg_scalar_long (unsigned regtypes, unsigned scalartypes)
14649 if (inst.operands[2].isscalar)
14651 struct neon_type_el et = neon_check_type (3, NS_QDS,
14652 N_EQK | N_DBL, N_EQK, regtypes | N_KEY);
14653 NEON_ENCODE (SCALAR, inst);
14654 neon_mul_mac (et, et.type == NT_unsigned);
14658 struct neon_type_el et = neon_check_type (3, NS_QDD,
14659 N_EQK | N_DBL, N_EQK, scalartypes | N_KEY);
14660 NEON_ENCODE (INTEGER, inst);
14661 neon_mixed_length (et, et.size);
14666 do_neon_mac_maybe_scalar_long (void)
14668 neon_mac_reg_scalar_long (N_S16 | N_S32 | N_U16 | N_U32, N_SU_32);
14672 do_neon_dyadic_wide (void)
14674 struct neon_type_el et = neon_check_type (3, NS_QQD,
14675 N_EQK | N_DBL, N_EQK | N_DBL, N_SU_32 | N_KEY);
14676 neon_mixed_length (et, et.size);
14680 do_neon_dyadic_narrow (void)
14682 struct neon_type_el et = neon_check_type (3, NS_QDD,
14683 N_EQK | N_DBL, N_EQK, N_I16 | N_I32 | N_I64 | N_KEY);
14684 /* Operand sign is unimportant, and the U bit is part of the opcode,
14685 so force the operand type to integer. */
14686 et.type = NT_integer;
14687 neon_mixed_length (et, et.size / 2);
14691 do_neon_mul_sat_scalar_long (void)
14693 neon_mac_reg_scalar_long (N_S16 | N_S32, N_S16 | N_S32);
14697 do_neon_vmull (void)
14699 if (inst.operands[2].isscalar)
14700 do_neon_mac_maybe_scalar_long ();
14703 struct neon_type_el et = neon_check_type (3, NS_QDD,
14704 N_EQK | N_DBL, N_EQK, N_SU_32 | N_P8 | N_KEY);
14705 if (et.type == NT_poly)
14706 NEON_ENCODE (POLY, inst);
14708 NEON_ENCODE (INTEGER, inst);
14709 /* For polynomial encoding, size field must be 0b00 and the U bit must be
14710 zero. Should be OK as-is. */
14711 neon_mixed_length (et, et.size);
14718 enum neon_shape rs = neon_select_shape (NS_DDDI, NS_QQQI, NS_NULL);
14719 struct neon_type_el et = neon_check_type (3, rs,
14720 N_EQK, N_EQK, N_8 | N_16 | N_32 | N_64 | N_KEY);
14721 unsigned imm = (inst.operands[3].imm * et.size) / 8;
14723 constraint (imm >= (unsigned) (neon_quad (rs) ? 16 : 8),
14724 _("shift out of range"));
14725 inst.instruction |= LOW4 (inst.operands[0].reg) << 12;
14726 inst.instruction |= HI1 (inst.operands[0].reg) << 22;
14727 inst.instruction |= LOW4 (inst.operands[1].reg) << 16;
14728 inst.instruction |= HI1 (inst.operands[1].reg) << 7;
14729 inst.instruction |= LOW4 (inst.operands[2].reg);
14730 inst.instruction |= HI1 (inst.operands[2].reg) << 5;
14731 inst.instruction |= neon_quad (rs) << 6;
14732 inst.instruction |= imm << 8;
14734 neon_dp_fixup (&inst);
14740 enum neon_shape rs = neon_select_shape (NS_DD, NS_QQ, NS_NULL);
14741 struct neon_type_el et = neon_check_type (2, rs,
14742 N_EQK, N_8 | N_16 | N_32 | N_KEY);
14743 unsigned op = (inst.instruction >> 7) & 3;
14744 /* N (width of reversed regions) is encoded as part of the bitmask. We
14745 extract it here to check the elements to be reversed are smaller.
14746 Otherwise we'd get a reserved instruction. */
14747 unsigned elsize = (op == 2) ? 16 : (op == 1) ? 32 : (op == 0) ? 64 : 0;
14748 gas_assert (elsize != 0);
14749 constraint (et.size >= elsize,
14750 _("elements must be smaller than reversal region"));
14751 neon_two_same (neon_quad (rs), 1, et.size);
14757 if (inst.operands[1].isscalar)
14759 enum neon_shape rs = neon_select_shape (NS_DS, NS_QS, NS_NULL);
14760 struct neon_type_el et = neon_check_type (2, rs,
14761 N_EQK, N_8 | N_16 | N_32 | N_KEY);
14762 unsigned sizebits = et.size >> 3;
14763 unsigned dm = NEON_SCALAR_REG (inst.operands[1].reg);
14764 int logsize = neon_logbits (et.size);
14765 unsigned x = NEON_SCALAR_INDEX (inst.operands[1].reg) << logsize;
14767 if (vfp_or_neon_is_neon (NEON_CHECK_CC) == FAIL)
14770 NEON_ENCODE (SCALAR, inst);
14771 inst.instruction |= LOW4 (inst.operands[0].reg) << 12;
14772 inst.instruction |= HI1 (inst.operands[0].reg) << 22;
14773 inst.instruction |= LOW4 (dm);
14774 inst.instruction |= HI1 (dm) << 5;
14775 inst.instruction |= neon_quad (rs) << 6;
14776 inst.instruction |= x << 17;
14777 inst.instruction |= sizebits << 16;
14779 neon_dp_fixup (&inst);
14783 enum neon_shape rs = neon_select_shape (NS_DR, NS_QR, NS_NULL);
14784 struct neon_type_el et = neon_check_type (2, rs,
14785 N_8 | N_16 | N_32 | N_KEY, N_EQK);
14786 /* Duplicate ARM register to lanes of vector. */
14787 NEON_ENCODE (ARMREG, inst);
14790 case 8: inst.instruction |= 0x400000; break;
14791 case 16: inst.instruction |= 0x000020; break;
14792 case 32: inst.instruction |= 0x000000; break;
14795 inst.instruction |= LOW4 (inst.operands[1].reg) << 12;
14796 inst.instruction |= LOW4 (inst.operands[0].reg) << 16;
14797 inst.instruction |= HI1 (inst.operands[0].reg) << 7;
14798 inst.instruction |= neon_quad (rs) << 21;
14799 /* The encoding for this instruction is identical for the ARM and Thumb
14800 variants, except for the condition field. */
14801 do_vfp_cond_or_thumb ();
14805 /* VMOV has particularly many variations. It can be one of:
14806 0. VMOV<c><q> <Qd>, <Qm>
14807 1. VMOV<c><q> <Dd>, <Dm>
14808 (Register operations, which are VORR with Rm = Rn.)
14809 2. VMOV<c><q>.<dt> <Qd>, #<imm>
14810 3. VMOV<c><q>.<dt> <Dd>, #<imm>
14812 4. VMOV<c><q>.<size> <Dn[x]>, <Rd>
14813 (ARM register to scalar.)
14814 5. VMOV<c><q> <Dm>, <Rd>, <Rn>
14815 (Two ARM registers to vector.)
14816 6. VMOV<c><q>.<dt> <Rd>, <Dn[x]>
14817 (Scalar to ARM register.)
14818 7. VMOV<c><q> <Rd>, <Rn>, <Dm>
14819 (Vector to two ARM registers.)
14820 8. VMOV.F32 <Sd>, <Sm>
14821 9. VMOV.F64 <Dd>, <Dm>
14822 (VFP register moves.)
14823 10. VMOV.F32 <Sd>, #imm
14824 11. VMOV.F64 <Dd>, #imm
14825 (VFP float immediate load.)
14826 12. VMOV <Rd>, <Sm>
14827 (VFP single to ARM reg.)
14828 13. VMOV <Sd>, <Rm>
14829 (ARM reg to VFP single.)
14830 14. VMOV <Rd>, <Re>, <Sn>, <Sm>
14831 (Two ARM regs to two VFP singles.)
14832 15. VMOV <Sd>, <Se>, <Rn>, <Rm>
14833 (Two VFP singles to two ARM regs.)
14835 These cases can be disambiguated using neon_select_shape, except cases 1/9
14836 and 3/11 which depend on the operand type too.
14838 All the encoded bits are hardcoded by this function.
14840 Cases 4, 6 may be used with VFPv1 and above (only 32-bit transfers!).
14841 Cases 5, 7 may be used with VFPv2 and above.
14843 FIXME: Some of the checking may be a bit sloppy (in a couple of cases you
14844 can specify a type where it doesn't make sense to, and is ignored). */
14849 enum neon_shape rs = neon_select_shape (NS_RRFF, NS_FFRR, NS_DRR, NS_RRD,
14850 NS_QQ, NS_DD, NS_QI, NS_DI, NS_SR, NS_RS, NS_FF, NS_FI, NS_RF, NS_FR,
14852 struct neon_type_el et;
14853 const char *ldconst = 0;
14857 case NS_DD: /* case 1/9. */
14858 et = neon_check_type (2, rs, N_EQK, N_F64 | N_KEY);
14859 /* It is not an error here if no type is given. */
14861 if (et.type == NT_float && et.size == 64)
14863 do_vfp_nsyn_opcode ("fcpyd");
14866 /* fall through. */
14868 case NS_QQ: /* case 0/1. */
14870 if (vfp_or_neon_is_neon (NEON_CHECK_CC | NEON_CHECK_ARCH) == FAIL)
14872 /* The architecture manual I have doesn't explicitly state which
14873 value the U bit should have for register->register moves, but
14874 the equivalent VORR instruction has U = 0, so do that. */
14875 inst.instruction = 0x0200110;
14876 inst.instruction |= LOW4 (inst.operands[0].reg) << 12;
14877 inst.instruction |= HI1 (inst.operands[0].reg) << 22;
14878 inst.instruction |= LOW4 (inst.operands[1].reg);
14879 inst.instruction |= HI1 (inst.operands[1].reg) << 5;
14880 inst.instruction |= LOW4 (inst.operands[1].reg) << 16;
14881 inst.instruction |= HI1 (inst.operands[1].reg) << 7;
14882 inst.instruction |= neon_quad (rs) << 6;
14884 neon_dp_fixup (&inst);
14888 case NS_DI: /* case 3/11. */
14889 et = neon_check_type (2, rs, N_EQK, N_F64 | N_KEY);
14891 if (et.type == NT_float && et.size == 64)
14893 /* case 11 (fconstd). */
14894 ldconst = "fconstd";
14895 goto encode_fconstd;
14897 /* fall through. */
14899 case NS_QI: /* case 2/3. */
14900 if (vfp_or_neon_is_neon (NEON_CHECK_CC | NEON_CHECK_ARCH) == FAIL)
14902 inst.instruction = 0x0800010;
14903 neon_move_immediate ();
14904 neon_dp_fixup (&inst);
14907 case NS_SR: /* case 4. */
14909 unsigned bcdebits = 0;
14911 unsigned dn = NEON_SCALAR_REG (inst.operands[0].reg);
14912 unsigned x = NEON_SCALAR_INDEX (inst.operands[0].reg);
14914 et = neon_check_type (2, NS_NULL, N_8 | N_16 | N_32 | N_KEY, N_EQK);
14915 logsize = neon_logbits (et.size);
14917 constraint (!ARM_CPU_HAS_FEATURE (cpu_variant, fpu_vfp_ext_v1),
14919 constraint (!ARM_CPU_HAS_FEATURE (cpu_variant, fpu_neon_ext_v1)
14920 && et.size != 32, _(BAD_FPU));
14921 constraint (et.type == NT_invtype, _("bad type for scalar"));
14922 constraint (x >= 64 / et.size, _("scalar index out of range"));
14926 case 8: bcdebits = 0x8; break;
14927 case 16: bcdebits = 0x1; break;
14928 case 32: bcdebits = 0x0; break;
14932 bcdebits |= x << logsize;
14934 inst.instruction = 0xe000b10;
14935 do_vfp_cond_or_thumb ();
14936 inst.instruction |= LOW4 (dn) << 16;
14937 inst.instruction |= HI1 (dn) << 7;
14938 inst.instruction |= inst.operands[1].reg << 12;
14939 inst.instruction |= (bcdebits & 3) << 5;
14940 inst.instruction |= (bcdebits >> 2) << 21;
14944 case NS_DRR: /* case 5 (fmdrr). */
14945 constraint (!ARM_CPU_HAS_FEATURE (cpu_variant, fpu_vfp_ext_v2),
14948 inst.instruction = 0xc400b10;
14949 do_vfp_cond_or_thumb ();
14950 inst.instruction |= LOW4 (inst.operands[0].reg);
14951 inst.instruction |= HI1 (inst.operands[0].reg) << 5;
14952 inst.instruction |= inst.operands[1].reg << 12;
14953 inst.instruction |= inst.operands[2].reg << 16;
14956 case NS_RS: /* case 6. */
14959 unsigned dn = NEON_SCALAR_REG (inst.operands[1].reg);
14960 unsigned x = NEON_SCALAR_INDEX (inst.operands[1].reg);
14961 unsigned abcdebits = 0;
14963 et = neon_check_type (2, NS_NULL,
14964 N_EQK, N_S8 | N_S16 | N_U8 | N_U16 | N_32 | N_KEY);
14965 logsize = neon_logbits (et.size);
14967 constraint (!ARM_CPU_HAS_FEATURE (cpu_variant, fpu_vfp_ext_v1),
14969 constraint (!ARM_CPU_HAS_FEATURE (cpu_variant, fpu_neon_ext_v1)
14970 && et.size != 32, _(BAD_FPU));
14971 constraint (et.type == NT_invtype, _("bad type for scalar"));
14972 constraint (x >= 64 / et.size, _("scalar index out of range"));
14976 case 8: abcdebits = (et.type == NT_signed) ? 0x08 : 0x18; break;
14977 case 16: abcdebits = (et.type == NT_signed) ? 0x01 : 0x11; break;
14978 case 32: abcdebits = 0x00; break;
14982 abcdebits |= x << logsize;
14983 inst.instruction = 0xe100b10;
14984 do_vfp_cond_or_thumb ();
14985 inst.instruction |= LOW4 (dn) << 16;
14986 inst.instruction |= HI1 (dn) << 7;
14987 inst.instruction |= inst.operands[0].reg << 12;
14988 inst.instruction |= (abcdebits & 3) << 5;
14989 inst.instruction |= (abcdebits >> 2) << 21;
14993 case NS_RRD: /* case 7 (fmrrd). */
14994 constraint (!ARM_CPU_HAS_FEATURE (cpu_variant, fpu_vfp_ext_v2),
14997 inst.instruction = 0xc500b10;
14998 do_vfp_cond_or_thumb ();
14999 inst.instruction |= inst.operands[0].reg << 12;
15000 inst.instruction |= inst.operands[1].reg << 16;
15001 inst.instruction |= LOW4 (inst.operands[2].reg);
15002 inst.instruction |= HI1 (inst.operands[2].reg) << 5;
15005 case NS_FF: /* case 8 (fcpys). */
15006 do_vfp_nsyn_opcode ("fcpys");
15009 case NS_FI: /* case 10 (fconsts). */
15010 ldconst = "fconsts";
15012 if (is_quarter_float (inst.operands[1].imm))
15014 inst.operands[1].imm = neon_qfloat_bits (inst.operands[1].imm);
15015 do_vfp_nsyn_opcode (ldconst);
15018 first_error (_("immediate out of range"));
15021 case NS_RF: /* case 12 (fmrs). */
15022 do_vfp_nsyn_opcode ("fmrs");
15025 case NS_FR: /* case 13 (fmsr). */
15026 do_vfp_nsyn_opcode ("fmsr");
15029 /* The encoders for the fmrrs and fmsrr instructions expect three operands
15030 (one of which is a list), but we have parsed four. Do some fiddling to
15031 make the operands what do_vfp_reg2_from_sp2 and do_vfp_sp2_from_reg2
15033 case NS_RRFF: /* case 14 (fmrrs). */
15034 constraint (inst.operands[3].reg != inst.operands[2].reg + 1,
15035 _("VFP registers must be adjacent"));
15036 inst.operands[2].imm = 2;
15037 memset (&inst.operands[3], '\0', sizeof (inst.operands[3]));
15038 do_vfp_nsyn_opcode ("fmrrs");
15041 case NS_FFRR: /* case 15 (fmsrr). */
15042 constraint (inst.operands[1].reg != inst.operands[0].reg + 1,
15043 _("VFP registers must be adjacent"));
15044 inst.operands[1] = inst.operands[2];
15045 inst.operands[2] = inst.operands[3];
15046 inst.operands[0].imm = 2;
15047 memset (&inst.operands[3], '\0', sizeof (inst.operands[3]));
15048 do_vfp_nsyn_opcode ("fmsrr");
15057 do_neon_rshift_round_imm (void)
15059 enum neon_shape rs = neon_select_shape (NS_DDI, NS_QQI, NS_NULL);
15060 struct neon_type_el et = neon_check_type (2, rs, N_EQK, N_SU_ALL | N_KEY);
15061 int imm = inst.operands[2].imm;
15063 /* imm == 0 case is encoded as VMOV for V{R}SHR. */
15066 inst.operands[2].present = 0;
15071 constraint (imm < 1 || (unsigned)imm > et.size,
15072 _("immediate out of range for shift"));
15073 neon_imm_shift (TRUE, et.type == NT_unsigned, neon_quad (rs), et,
15078 do_neon_movl (void)
15080 struct neon_type_el et = neon_check_type (2, NS_QD,
15081 N_EQK | N_DBL, N_SU_32 | N_KEY);
15082 unsigned sizebits = et.size >> 3;
15083 inst.instruction |= sizebits << 19;
15084 neon_two_same (0, et.type == NT_unsigned, -1);
15090 enum neon_shape rs = neon_select_shape (NS_DD, NS_QQ, NS_NULL);
15091 struct neon_type_el et = neon_check_type (2, rs,
15092 N_EQK, N_8 | N_16 | N_32 | N_KEY);
15093 NEON_ENCODE (INTEGER, inst);
15094 neon_two_same (neon_quad (rs), 1, et.size);
15098 do_neon_zip_uzp (void)
15100 enum neon_shape rs = neon_select_shape (NS_DD, NS_QQ, NS_NULL);
15101 struct neon_type_el et = neon_check_type (2, rs,
15102 N_EQK, N_8 | N_16 | N_32 | N_KEY);
15103 if (rs == NS_DD && et.size == 32)
15105 /* Special case: encode as VTRN.32 <Dd>, <Dm>. */
15106 inst.instruction = N_MNEM_vtrn;
15110 neon_two_same (neon_quad (rs), 1, et.size);
15114 do_neon_sat_abs_neg (void)
15116 enum neon_shape rs = neon_select_shape (NS_DD, NS_QQ, NS_NULL);
15117 struct neon_type_el et = neon_check_type (2, rs,
15118 N_EQK, N_S8 | N_S16 | N_S32 | N_KEY);
15119 neon_two_same (neon_quad (rs), 1, et.size);
15123 do_neon_pair_long (void)
15125 enum neon_shape rs = neon_select_shape (NS_DD, NS_QQ, NS_NULL);
15126 struct neon_type_el et = neon_check_type (2, rs, N_EQK, N_SU_32 | N_KEY);
15127 /* Unsigned is encoded in OP field (bit 7) for these instruction. */
15128 inst.instruction |= (et.type == NT_unsigned) << 7;
15129 neon_two_same (neon_quad (rs), 1, et.size);
15133 do_neon_recip_est (void)
15135 enum neon_shape rs = neon_select_shape (NS_DD, NS_QQ, NS_NULL);
15136 struct neon_type_el et = neon_check_type (2, rs,
15137 N_EQK | N_FLT, N_F32 | N_U32 | N_KEY);
15138 inst.instruction |= (et.type == NT_float) << 8;
15139 neon_two_same (neon_quad (rs), 1, et.size);
15145 enum neon_shape rs = neon_select_shape (NS_DD, NS_QQ, NS_NULL);
15146 struct neon_type_el et = neon_check_type (2, rs,
15147 N_EQK, N_S8 | N_S16 | N_S32 | N_KEY);
15148 neon_two_same (neon_quad (rs), 1, et.size);
15154 enum neon_shape rs = neon_select_shape (NS_DD, NS_QQ, NS_NULL);
15155 struct neon_type_el et = neon_check_type (2, rs,
15156 N_EQK, N_I8 | N_I16 | N_I32 | N_KEY);
15157 neon_two_same (neon_quad (rs), 1, et.size);
15163 enum neon_shape rs = neon_select_shape (NS_DD, NS_QQ, NS_NULL);
15164 struct neon_type_el et = neon_check_type (2, rs,
15165 N_EQK | N_INT, N_8 | N_KEY);
15166 neon_two_same (neon_quad (rs), 1, et.size);
15172 enum neon_shape rs = neon_select_shape (NS_DD, NS_QQ, NS_NULL);
15173 neon_two_same (neon_quad (rs), 1, -1);
15177 do_neon_tbl_tbx (void)
15179 unsigned listlenbits;
15180 neon_check_type (3, NS_DLD, N_EQK, N_EQK, N_8 | N_KEY);
15182 if (inst.operands[1].imm < 1 || inst.operands[1].imm > 4)
15184 first_error (_("bad list length for table lookup"));
15188 listlenbits = inst.operands[1].imm - 1;
15189 inst.instruction |= LOW4 (inst.operands[0].reg) << 12;
15190 inst.instruction |= HI1 (inst.operands[0].reg) << 22;
15191 inst.instruction |= LOW4 (inst.operands[1].reg) << 16;
15192 inst.instruction |= HI1 (inst.operands[1].reg) << 7;
15193 inst.instruction |= LOW4 (inst.operands[2].reg);
15194 inst.instruction |= HI1 (inst.operands[2].reg) << 5;
15195 inst.instruction |= listlenbits << 8;
15197 neon_dp_fixup (&inst);
15201 do_neon_ldm_stm (void)
15203 /* P, U and L bits are part of bitmask. */
15204 int is_dbmode = (inst.instruction & (1 << 24)) != 0;
15205 unsigned offsetbits = inst.operands[1].imm * 2;
15207 if (inst.operands[1].issingle)
15209 do_vfp_nsyn_ldm_stm (is_dbmode);
15213 constraint (is_dbmode && !inst.operands[0].writeback,
15214 _("writeback (!) must be used for VLDMDB and VSTMDB"));
15216 constraint (inst.operands[1].imm < 1 || inst.operands[1].imm > 16,
15217 _("register list must contain at least 1 and at most 16 "
15220 inst.instruction |= inst.operands[0].reg << 16;
15221 inst.instruction |= inst.operands[0].writeback << 21;
15222 inst.instruction |= LOW4 (inst.operands[1].reg) << 12;
15223 inst.instruction |= HI1 (inst.operands[1].reg) << 22;
15225 inst.instruction |= offsetbits;
15227 do_vfp_cond_or_thumb ();
15231 do_neon_ldr_str (void)
15233 int is_ldr = (inst.instruction & (1 << 20)) != 0;
15235 /* Use of PC in vstr in ARM mode is deprecated in ARMv7.
15236 And is UNPREDICTABLE in thumb mode. */
15238 && inst.operands[1].reg == REG_PC
15239 && ARM_CPU_HAS_FEATURE (selected_cpu, arm_ext_v7))
15241 if (!thumb_mode && warn_on_deprecated)
15242 as_warn (_("Use of PC here is deprecated"));
15244 inst.error = _("Use of PC here is UNPREDICTABLE");
15247 if (inst.operands[0].issingle)
15250 do_vfp_nsyn_opcode ("flds");
15252 do_vfp_nsyn_opcode ("fsts");
15257 do_vfp_nsyn_opcode ("fldd");
15259 do_vfp_nsyn_opcode ("fstd");
15263 /* "interleave" version also handles non-interleaving register VLD1/VST1
15267 do_neon_ld_st_interleave (void)
15269 struct neon_type_el et = neon_check_type (1, NS_NULL,
15270 N_8 | N_16 | N_32 | N_64);
15271 unsigned alignbits = 0;
15273 /* The bits in this table go:
15274 0: register stride of one (0) or two (1)
15275 1,2: register list length, minus one (1, 2, 3, 4).
15276 3,4: <n> in instruction type, minus one (VLD<n> / VST<n>).
15277 We use -1 for invalid entries. */
15278 const int typetable[] =
15280 0x7, -1, 0xa, -1, 0x6, -1, 0x2, -1, /* VLD1 / VST1. */
15281 -1, -1, 0x8, 0x9, -1, -1, 0x3, -1, /* VLD2 / VST2. */
15282 -1, -1, -1, -1, 0x4, 0x5, -1, -1, /* VLD3 / VST3. */
15283 -1, -1, -1, -1, -1, -1, 0x0, 0x1 /* VLD4 / VST4. */
15287 if (et.type == NT_invtype)
15290 if (inst.operands[1].immisalign)
15291 switch (inst.operands[1].imm >> 8)
15293 case 64: alignbits = 1; break;
15295 if (NEON_REGLIST_LENGTH (inst.operands[0].imm) != 2
15296 && NEON_REGLIST_LENGTH (inst.operands[0].imm) != 4)
15297 goto bad_alignment;
15301 if (NEON_REGLIST_LENGTH (inst.operands[0].imm) != 4)
15302 goto bad_alignment;
15307 first_error (_("bad alignment"));
15311 inst.instruction |= alignbits << 4;
15312 inst.instruction |= neon_logbits (et.size) << 6;
15314 /* Bits [4:6] of the immediate in a list specifier encode register stride
15315 (minus 1) in bit 4, and list length in bits [5:6]. We put the <n> of
15316 VLD<n>/VST<n> in bits [9:8] of the initial bitmask. Suck it out here, look
15317 up the right value for "type" in a table based on this value and the given
15318 list style, then stick it back. */
15319 idx = ((inst.operands[0].imm >> 4) & 7)
15320 | (((inst.instruction >> 8) & 3) << 3);
15322 typebits = typetable[idx];
15324 constraint (typebits == -1, _("bad list type for instruction"));
15326 inst.instruction &= ~0xf00;
15327 inst.instruction |= typebits << 8;
15330 /* Check alignment is valid for do_neon_ld_st_lane and do_neon_ld_dup.
15331 *DO_ALIGN is set to 1 if the relevant alignment bit should be set, 0
15332 otherwise. The variable arguments are a list of pairs of legal (size, align)
15333 values, terminated with -1. */
15336 neon_alignment_bit (int size, int align, int *do_align, ...)
15339 int result = FAIL, thissize, thisalign;
15341 if (!inst.operands[1].immisalign)
15347 va_start (ap, do_align);
15351 thissize = va_arg (ap, int);
15352 if (thissize == -1)
15354 thisalign = va_arg (ap, int);
15356 if (size == thissize && align == thisalign)
15359 while (result != SUCCESS);
15363 if (result == SUCCESS)
15366 first_error (_("unsupported alignment for instruction"));
15372 do_neon_ld_st_lane (void)
15374 struct neon_type_el et = neon_check_type (1, NS_NULL, N_8 | N_16 | N_32);
15375 int align_good, do_align = 0;
15376 int logsize = neon_logbits (et.size);
15377 int align = inst.operands[1].imm >> 8;
15378 int n = (inst.instruction >> 8) & 3;
15379 int max_el = 64 / et.size;
15381 if (et.type == NT_invtype)
15384 constraint (NEON_REGLIST_LENGTH (inst.operands[0].imm) != n + 1,
15385 _("bad list length"));
15386 constraint (NEON_LANE (inst.operands[0].imm) >= max_el,
15387 _("scalar index out of range"));
15388 constraint (n != 0 && NEON_REG_STRIDE (inst.operands[0].imm) == 2
15390 _("stride of 2 unavailable when element size is 8"));
15394 case 0: /* VLD1 / VST1. */
15395 align_good = neon_alignment_bit (et.size, align, &do_align, 16, 16,
15397 if (align_good == FAIL)
15401 unsigned alignbits = 0;
15404 case 16: alignbits = 0x1; break;
15405 case 32: alignbits = 0x3; break;
15408 inst.instruction |= alignbits << 4;
15412 case 1: /* VLD2 / VST2. */
15413 align_good = neon_alignment_bit (et.size, align, &do_align, 8, 16, 16, 32,
15415 if (align_good == FAIL)
15418 inst.instruction |= 1 << 4;
15421 case 2: /* VLD3 / VST3. */
15422 constraint (inst.operands[1].immisalign,
15423 _("can't use alignment with this instruction"));
15426 case 3: /* VLD4 / VST4. */
15427 align_good = neon_alignment_bit (et.size, align, &do_align, 8, 32,
15428 16, 64, 32, 64, 32, 128, -1);
15429 if (align_good == FAIL)
15433 unsigned alignbits = 0;
15436 case 8: alignbits = 0x1; break;
15437 case 16: alignbits = 0x1; break;
15438 case 32: alignbits = (align == 64) ? 0x1 : 0x2; break;
15441 inst.instruction |= alignbits << 4;
15448 /* Reg stride of 2 is encoded in bit 5 when size==16, bit 6 when size==32. */
15449 if (n != 0 && NEON_REG_STRIDE (inst.operands[0].imm) == 2)
15450 inst.instruction |= 1 << (4 + logsize);
15452 inst.instruction |= NEON_LANE (inst.operands[0].imm) << (logsize + 5);
15453 inst.instruction |= logsize << 10;
15456 /* Encode single n-element structure to all lanes VLD<n> instructions. */
15459 do_neon_ld_dup (void)
15461 struct neon_type_el et = neon_check_type (1, NS_NULL, N_8 | N_16 | N_32);
15462 int align_good, do_align = 0;
15464 if (et.type == NT_invtype)
15467 switch ((inst.instruction >> 8) & 3)
15469 case 0: /* VLD1. */
15470 gas_assert (NEON_REG_STRIDE (inst.operands[0].imm) != 2);
15471 align_good = neon_alignment_bit (et.size, inst.operands[1].imm >> 8,
15472 &do_align, 16, 16, 32, 32, -1);
15473 if (align_good == FAIL)
15475 switch (NEON_REGLIST_LENGTH (inst.operands[0].imm))
15478 case 2: inst.instruction |= 1 << 5; break;
15479 default: first_error (_("bad list length")); return;
15481 inst.instruction |= neon_logbits (et.size) << 6;
15484 case 1: /* VLD2. */
15485 align_good = neon_alignment_bit (et.size, inst.operands[1].imm >> 8,
15486 &do_align, 8, 16, 16, 32, 32, 64, -1);
15487 if (align_good == FAIL)
15489 constraint (NEON_REGLIST_LENGTH (inst.operands[0].imm) != 2,
15490 _("bad list length"));
15491 if (NEON_REG_STRIDE (inst.operands[0].imm) == 2)
15492 inst.instruction |= 1 << 5;
15493 inst.instruction |= neon_logbits (et.size) << 6;
15496 case 2: /* VLD3. */
15497 constraint (inst.operands[1].immisalign,
15498 _("can't use alignment with this instruction"));
15499 constraint (NEON_REGLIST_LENGTH (inst.operands[0].imm) != 3,
15500 _("bad list length"));
15501 if (NEON_REG_STRIDE (inst.operands[0].imm) == 2)
15502 inst.instruction |= 1 << 5;
15503 inst.instruction |= neon_logbits (et.size) << 6;
15506 case 3: /* VLD4. */
15508 int align = inst.operands[1].imm >> 8;
15509 align_good = neon_alignment_bit (et.size, align, &do_align, 8, 32,
15510 16, 64, 32, 64, 32, 128, -1);
15511 if (align_good == FAIL)
15513 constraint (NEON_REGLIST_LENGTH (inst.operands[0].imm) != 4,
15514 _("bad list length"));
15515 if (NEON_REG_STRIDE (inst.operands[0].imm) == 2)
15516 inst.instruction |= 1 << 5;
15517 if (et.size == 32 && align == 128)
15518 inst.instruction |= 0x3 << 6;
15520 inst.instruction |= neon_logbits (et.size) << 6;
15527 inst.instruction |= do_align << 4;
15530 /* Disambiguate VLD<n> and VST<n> instructions, and fill in common bits (those
15531 apart from bits [11:4]. */
15534 do_neon_ldx_stx (void)
15536 if (inst.operands[1].isreg)
15537 constraint (inst.operands[1].reg == REG_PC, BAD_PC);
15539 switch (NEON_LANE (inst.operands[0].imm))
15541 case NEON_INTERLEAVE_LANES:
15542 NEON_ENCODE (INTERLV, inst);
15543 do_neon_ld_st_interleave ();
15546 case NEON_ALL_LANES:
15547 NEON_ENCODE (DUP, inst);
15552 NEON_ENCODE (LANE, inst);
15553 do_neon_ld_st_lane ();
15556 /* L bit comes from bit mask. */
15557 inst.instruction |= LOW4 (inst.operands[0].reg) << 12;
15558 inst.instruction |= HI1 (inst.operands[0].reg) << 22;
15559 inst.instruction |= inst.operands[1].reg << 16;
15561 if (inst.operands[1].postind)
15563 int postreg = inst.operands[1].imm & 0xf;
15564 constraint (!inst.operands[1].immisreg,
15565 _("post-index must be a register"));
15566 constraint (postreg == 0xd || postreg == 0xf,
15567 _("bad register for post-index"));
15568 inst.instruction |= postreg;
15570 else if (inst.operands[1].writeback)
15572 inst.instruction |= 0xd;
15575 inst.instruction |= 0xf;
15578 inst.instruction |= 0xf9000000;
15580 inst.instruction |= 0xf4000000;
15583 /* Overall per-instruction processing. */
15585 /* We need to be able to fix up arbitrary expressions in some statements.
15586 This is so that we can handle symbols that are an arbitrary distance from
15587 the pc. The most common cases are of the form ((+/-sym -/+ . - 8) & mask),
15588 which returns part of an address in a form which will be valid for
15589 a data instruction. We do this by pushing the expression into a symbol
15590 in the expr_section, and creating a fix for that. */
15593 fix_new_arm (fragS * frag,
15607 /* Create an absolute valued symbol, so we have something to
15608 refer to in the object file. Unfortunately for us, gas's
15609 generic expression parsing will already have folded out
15610 any use of .set foo/.type foo %function that may have
15611 been used to set type information of the target location,
15612 that's being specified symbolically. We have to presume
15613 the user knows what they are doing. */
15617 sprintf (name, "*ABS*0x%lx", (unsigned long)exp->X_add_number);
15619 symbol = symbol_find_or_make (name);
15620 S_SET_SEGMENT (symbol, absolute_section);
15621 symbol_set_frag (symbol, &zero_address_frag);
15622 S_SET_VALUE (symbol, exp->X_add_number);
15623 exp->X_op = O_symbol;
15624 exp->X_add_symbol = symbol;
15625 exp->X_add_number = 0;
15631 new_fix = fix_new_exp (frag, where, size, exp, pc_rel,
15632 (enum bfd_reloc_code_real) reloc);
15636 new_fix = (fixS *) fix_new (frag, where, size, make_expr_symbol (exp), 0,
15637 pc_rel, (enum bfd_reloc_code_real) reloc);
15641 /* Mark whether the fix is to a THUMB instruction, or an ARM
15643 new_fix->tc_fix_data = thumb_mode;
15646 /* Create a frg for an instruction requiring relaxation. */
15648 output_relax_insn (void)
15654 /* The size of the instruction is unknown, so tie the debug info to the
15655 start of the instruction. */
15656 dwarf2_emit_insn (0);
15658 switch (inst.reloc.exp.X_op)
15661 sym = inst.reloc.exp.X_add_symbol;
15662 offset = inst.reloc.exp.X_add_number;
15666 offset = inst.reloc.exp.X_add_number;
15669 sym = make_expr_symbol (&inst.reloc.exp);
15673 to = frag_var (rs_machine_dependent, INSN_SIZE, THUMB_SIZE,
15674 inst.relax, sym, offset, NULL/*offset, opcode*/);
15675 md_number_to_chars (to, inst.instruction, THUMB_SIZE);
15678 /* Write a 32-bit thumb instruction to buf. */
15680 put_thumb32_insn (char * buf, unsigned long insn)
15682 md_number_to_chars (buf, insn >> 16, THUMB_SIZE);
15683 md_number_to_chars (buf + THUMB_SIZE, insn, THUMB_SIZE);
15687 output_inst (const char * str)
15693 as_bad ("%s -- `%s'", inst.error, str);
15698 output_relax_insn ();
15701 if (inst.size == 0)
15704 to = frag_more (inst.size);
15705 /* PR 9814: Record the thumb mode into the current frag so that we know
15706 what type of NOP padding to use, if necessary. We override any previous
15707 setting so that if the mode has changed then the NOPS that we use will
15708 match the encoding of the last instruction in the frag. */
15709 frag_now->tc_frag_data.thumb_mode = thumb_mode | MODE_RECORDED;
15711 if (thumb_mode && (inst.size > THUMB_SIZE))
15713 gas_assert (inst.size == (2 * THUMB_SIZE));
15714 put_thumb32_insn (to, inst.instruction);
15716 else if (inst.size > INSN_SIZE)
15718 gas_assert (inst.size == (2 * INSN_SIZE));
15719 md_number_to_chars (to, inst.instruction, INSN_SIZE);
15720 md_number_to_chars (to + INSN_SIZE, inst.instruction, INSN_SIZE);
15723 md_number_to_chars (to, inst.instruction, inst.size);
15725 if (inst.reloc.type != BFD_RELOC_UNUSED)
15726 fix_new_arm (frag_now, to - frag_now->fr_literal,
15727 inst.size, & inst.reloc.exp, inst.reloc.pc_rel,
15730 dwarf2_emit_insn (inst.size);
15734 output_it_inst (int cond, int mask, char * to)
15736 unsigned long instruction = 0xbf00;
15739 instruction |= mask;
15740 instruction |= cond << 4;
15744 to = frag_more (2);
15746 dwarf2_emit_insn (2);
15750 md_number_to_chars (to, instruction, 2);
15755 /* Tag values used in struct asm_opcode's tag field. */
15758 OT_unconditional, /* Instruction cannot be conditionalized.
15759 The ARM condition field is still 0xE. */
15760 OT_unconditionalF, /* Instruction cannot be conditionalized
15761 and carries 0xF in its ARM condition field. */
15762 OT_csuffix, /* Instruction takes a conditional suffix. */
15763 OT_csuffixF, /* Some forms of the instruction take a conditional
15764 suffix, others place 0xF where the condition field
15766 OT_cinfix3, /* Instruction takes a conditional infix,
15767 beginning at character index 3. (In
15768 unified mode, it becomes a suffix.) */
15769 OT_cinfix3_deprecated, /* The same as OT_cinfix3. This is used for
15770 tsts, cmps, cmns, and teqs. */
15771 OT_cinfix3_legacy, /* Legacy instruction takes a conditional infix at
15772 character index 3, even in unified mode. Used for
15773 legacy instructions where suffix and infix forms
15774 may be ambiguous. */
15775 OT_csuf_or_in3, /* Instruction takes either a conditional
15776 suffix or an infix at character index 3. */
15777 OT_odd_infix_unc, /* This is the unconditional variant of an
15778 instruction that takes a conditional infix
15779 at an unusual position. In unified mode,
15780 this variant will accept a suffix. */
15781 OT_odd_infix_0 /* Values greater than or equal to OT_odd_infix_0
15782 are the conditional variants of instructions that
15783 take conditional infixes in unusual positions.
15784 The infix appears at character index
15785 (tag - OT_odd_infix_0). These are not accepted
15786 in unified mode. */
15789 /* Subroutine of md_assemble, responsible for looking up the primary
15790 opcode from the mnemonic the user wrote. STR points to the
15791 beginning of the mnemonic.
15793 This is not simply a hash table lookup, because of conditional
15794 variants. Most instructions have conditional variants, which are
15795 expressed with a _conditional affix_ to the mnemonic. If we were
15796 to encode each conditional variant as a literal string in the opcode
15797 table, it would have approximately 20,000 entries.
15799 Most mnemonics take this affix as a suffix, and in unified syntax,
15800 'most' is upgraded to 'all'. However, in the divided syntax, some
15801 instructions take the affix as an infix, notably the s-variants of
15802 the arithmetic instructions. Of those instructions, all but six
15803 have the infix appear after the third character of the mnemonic.
15805 Accordingly, the algorithm for looking up primary opcodes given
15808 1. Look up the identifier in the opcode table.
15809 If we find a match, go to step U.
15811 2. Look up the last two characters of the identifier in the
15812 conditions table. If we find a match, look up the first N-2
15813 characters of the identifier in the opcode table. If we
15814 find a match, go to step CE.
15816 3. Look up the fourth and fifth characters of the identifier in
15817 the conditions table. If we find a match, extract those
15818 characters from the identifier, and look up the remaining
15819 characters in the opcode table. If we find a match, go
15824 U. Examine the tag field of the opcode structure, in case this is
15825 one of the six instructions with its conditional infix in an
15826 unusual place. If it is, the tag tells us where to find the
15827 infix; look it up in the conditions table and set inst.cond
15828 accordingly. Otherwise, this is an unconditional instruction.
15829 Again set inst.cond accordingly. Return the opcode structure.
15831 CE. Examine the tag field to make sure this is an instruction that
15832 should receive a conditional suffix. If it is not, fail.
15833 Otherwise, set inst.cond from the suffix we already looked up,
15834 and return the opcode structure.
15836 CM. Examine the tag field to make sure this is an instruction that
15837 should receive a conditional infix after the third character.
15838 If it is not, fail. Otherwise, undo the edits to the current
15839 line of input and proceed as for case CE. */
15841 static const struct asm_opcode *
15842 opcode_lookup (char **str)
15846 const struct asm_opcode *opcode;
15847 const struct asm_cond *cond;
15850 /* Scan up to the end of the mnemonic, which must end in white space,
15851 '.' (in unified mode, or for Neon/VFP instructions), or end of string. */
15852 for (base = end = *str; *end != '\0'; end++)
15853 if (*end == ' ' || *end == '.')
15859 /* Handle a possible width suffix and/or Neon type suffix. */
15864 /* The .w and .n suffixes are only valid if the unified syntax is in
15866 if (unified_syntax && end[1] == 'w')
15868 else if (unified_syntax && end[1] == 'n')
15873 inst.vectype.elems = 0;
15875 *str = end + offset;
15877 if (end[offset] == '.')
15879 /* See if we have a Neon type suffix (possible in either unified or
15880 non-unified ARM syntax mode). */
15881 if (parse_neon_type (&inst.vectype, str) == FAIL)
15884 else if (end[offset] != '\0' && end[offset] != ' ')
15890 /* Look for unaffixed or special-case affixed mnemonic. */
15891 opcode = (const struct asm_opcode *) hash_find_n (arm_ops_hsh, base,
15896 if (opcode->tag < OT_odd_infix_0)
15898 inst.cond = COND_ALWAYS;
15902 if (warn_on_deprecated && unified_syntax)
15903 as_warn (_("conditional infixes are deprecated in unified syntax"));
15904 affix = base + (opcode->tag - OT_odd_infix_0);
15905 cond = (const struct asm_cond *) hash_find_n (arm_cond_hsh, affix, 2);
15908 inst.cond = cond->value;
15912 /* Cannot have a conditional suffix on a mnemonic of less than two
15914 if (end - base < 3)
15917 /* Look for suffixed mnemonic. */
15919 cond = (const struct asm_cond *) hash_find_n (arm_cond_hsh, affix, 2);
15920 opcode = (const struct asm_opcode *) hash_find_n (arm_ops_hsh, base,
15922 if (opcode && cond)
15925 switch (opcode->tag)
15927 case OT_cinfix3_legacy:
15928 /* Ignore conditional suffixes matched on infix only mnemonics. */
15932 case OT_cinfix3_deprecated:
15933 case OT_odd_infix_unc:
15934 if (!unified_syntax)
15936 /* else fall through */
15940 case OT_csuf_or_in3:
15941 inst.cond = cond->value;
15944 case OT_unconditional:
15945 case OT_unconditionalF:
15947 inst.cond = cond->value;
15950 /* Delayed diagnostic. */
15951 inst.error = BAD_COND;
15952 inst.cond = COND_ALWAYS;
15961 /* Cannot have a usual-position infix on a mnemonic of less than
15962 six characters (five would be a suffix). */
15963 if (end - base < 6)
15966 /* Look for infixed mnemonic in the usual position. */
15968 cond = (const struct asm_cond *) hash_find_n (arm_cond_hsh, affix, 2);
15972 memcpy (save, affix, 2);
15973 memmove (affix, affix + 2, (end - affix) - 2);
15974 opcode = (const struct asm_opcode *) hash_find_n (arm_ops_hsh, base,
15976 memmove (affix + 2, affix, (end - affix) - 2);
15977 memcpy (affix, save, 2);
15980 && (opcode->tag == OT_cinfix3
15981 || opcode->tag == OT_cinfix3_deprecated
15982 || opcode->tag == OT_csuf_or_in3
15983 || opcode->tag == OT_cinfix3_legacy))
15986 if (warn_on_deprecated && unified_syntax
15987 && (opcode->tag == OT_cinfix3
15988 || opcode->tag == OT_cinfix3_deprecated))
15989 as_warn (_("conditional infixes are deprecated in unified syntax"));
15991 inst.cond = cond->value;
15998 /* This function generates an initial IT instruction, leaving its block
15999 virtually open for the new instructions. Eventually,
16000 the mask will be updated by now_it_add_mask () each time
16001 a new instruction needs to be included in the IT block.
16002 Finally, the block is closed with close_automatic_it_block ().
16003 The block closure can be requested either from md_assemble (),
16004 a tencode (), or due to a label hook. */
16007 new_automatic_it_block (int cond)
16009 now_it.state = AUTOMATIC_IT_BLOCK;
16010 now_it.mask = 0x18;
16012 now_it.block_length = 1;
16013 mapping_state (MAP_THUMB);
16014 now_it.insn = output_it_inst (cond, now_it.mask, NULL);
16017 /* Close an automatic IT block.
16018 See comments in new_automatic_it_block (). */
16021 close_automatic_it_block (void)
16023 now_it.mask = 0x10;
16024 now_it.block_length = 0;
16027 /* Update the mask of the current automatically-generated IT
16028 instruction. See comments in new_automatic_it_block (). */
16031 now_it_add_mask (int cond)
16033 #define CLEAR_BIT(value, nbit) ((value) & ~(1 << (nbit)))
16034 #define SET_BIT_VALUE(value, bitvalue, nbit) (CLEAR_BIT (value, nbit) \
16035 | ((bitvalue) << (nbit)))
16036 const int resulting_bit = (cond & 1);
16038 now_it.mask &= 0xf;
16039 now_it.mask = SET_BIT_VALUE (now_it.mask,
16041 (5 - now_it.block_length));
16042 now_it.mask = SET_BIT_VALUE (now_it.mask,
16044 ((5 - now_it.block_length) - 1) );
16045 output_it_inst (now_it.cc, now_it.mask, now_it.insn);
16048 #undef SET_BIT_VALUE
16051 /* The IT blocks handling machinery is accessed through the these functions:
16052 it_fsm_pre_encode () from md_assemble ()
16053 set_it_insn_type () optional, from the tencode functions
16054 set_it_insn_type_last () ditto
16055 in_it_block () ditto
16056 it_fsm_post_encode () from md_assemble ()
16057 force_automatic_it_block_close () from label habdling functions
16060 1) md_assemble () calls it_fsm_pre_encode () before calling tencode (),
16061 initializing the IT insn type with a generic initial value depending
16062 on the inst.condition.
16063 2) During the tencode function, two things may happen:
16064 a) The tencode function overrides the IT insn type by
16065 calling either set_it_insn_type (type) or set_it_insn_type_last ().
16066 b) The tencode function queries the IT block state by
16067 calling in_it_block () (i.e. to determine narrow/not narrow mode).
16069 Both set_it_insn_type and in_it_block run the internal FSM state
16070 handling function (handle_it_state), because: a) setting the IT insn
16071 type may incur in an invalid state (exiting the function),
16072 and b) querying the state requires the FSM to be updated.
16073 Specifically we want to avoid creating an IT block for conditional
16074 branches, so it_fsm_pre_encode is actually a guess and we can't
16075 determine whether an IT block is required until the tencode () routine
16076 has decided what type of instruction this actually it.
16077 Because of this, if set_it_insn_type and in_it_block have to be used,
16078 set_it_insn_type has to be called first.
16080 set_it_insn_type_last () is a wrapper of set_it_insn_type (type), that
16081 determines the insn IT type depending on the inst.cond code.
16082 When a tencode () routine encodes an instruction that can be
16083 either outside an IT block, or, in the case of being inside, has to be
16084 the last one, set_it_insn_type_last () will determine the proper
16085 IT instruction type based on the inst.cond code. Otherwise,
16086 set_it_insn_type can be called for overriding that logic or
16087 for covering other cases.
16089 Calling handle_it_state () may not transition the IT block state to
16090 OUTSIDE_IT_BLOCK immediatelly, since the (current) state could be
16091 still queried. Instead, if the FSM determines that the state should
16092 be transitioned to OUTSIDE_IT_BLOCK, a flag is marked to be closed
16093 after the tencode () function: that's what it_fsm_post_encode () does.
16095 Since in_it_block () calls the state handling function to get an
16096 updated state, an error may occur (due to invalid insns combination).
16097 In that case, inst.error is set.
16098 Therefore, inst.error has to be checked after the execution of
16099 the tencode () routine.
16101 3) Back in md_assemble(), it_fsm_post_encode () is called to commit
16102 any pending state change (if any) that didn't take place in
16103 handle_it_state () as explained above. */
16106 it_fsm_pre_encode (void)
16108 if (inst.cond != COND_ALWAYS)
16109 inst.it_insn_type = INSIDE_IT_INSN;
16111 inst.it_insn_type = OUTSIDE_IT_INSN;
16113 now_it.state_handled = 0;
16116 /* IT state FSM handling function. */
16119 handle_it_state (void)
16121 now_it.state_handled = 1;
16123 switch (now_it.state)
16125 case OUTSIDE_IT_BLOCK:
16126 switch (inst.it_insn_type)
16128 case OUTSIDE_IT_INSN:
16131 case INSIDE_IT_INSN:
16132 case INSIDE_IT_LAST_INSN:
16133 if (thumb_mode == 0)
16136 && !(implicit_it_mode & IMPLICIT_IT_MODE_ARM))
16137 as_tsktsk (_("Warning: conditional outside an IT block"\
16142 if ((implicit_it_mode & IMPLICIT_IT_MODE_THUMB)
16143 && ARM_CPU_HAS_FEATURE (cpu_variant, arm_arch_t2))
16145 /* Automatically generate the IT instruction. */
16146 new_automatic_it_block (inst.cond);
16147 if (inst.it_insn_type == INSIDE_IT_LAST_INSN)
16148 close_automatic_it_block ();
16152 inst.error = BAD_OUT_IT;
16158 case IF_INSIDE_IT_LAST_INSN:
16159 case NEUTRAL_IT_INSN:
16163 now_it.state = MANUAL_IT_BLOCK;
16164 now_it.block_length = 0;
16169 case AUTOMATIC_IT_BLOCK:
16170 /* Three things may happen now:
16171 a) We should increment current it block size;
16172 b) We should close current it block (closing insn or 4 insns);
16173 c) We should close current it block and start a new one (due
16174 to incompatible conditions or
16175 4 insns-length block reached). */
16177 switch (inst.it_insn_type)
16179 case OUTSIDE_IT_INSN:
16180 /* The closure of the block shall happen immediatelly,
16181 so any in_it_block () call reports the block as closed. */
16182 force_automatic_it_block_close ();
16185 case INSIDE_IT_INSN:
16186 case INSIDE_IT_LAST_INSN:
16187 case IF_INSIDE_IT_LAST_INSN:
16188 now_it.block_length++;
16190 if (now_it.block_length > 4
16191 || !now_it_compatible (inst.cond))
16193 force_automatic_it_block_close ();
16194 if (inst.it_insn_type != IF_INSIDE_IT_LAST_INSN)
16195 new_automatic_it_block (inst.cond);
16199 now_it_add_mask (inst.cond);
16202 if (now_it.state == AUTOMATIC_IT_BLOCK
16203 && (inst.it_insn_type == INSIDE_IT_LAST_INSN
16204 || inst.it_insn_type == IF_INSIDE_IT_LAST_INSN))
16205 close_automatic_it_block ();
16208 case NEUTRAL_IT_INSN:
16209 now_it.block_length++;
16211 if (now_it.block_length > 4)
16212 force_automatic_it_block_close ();
16214 now_it_add_mask (now_it.cc & 1);
16218 close_automatic_it_block ();
16219 now_it.state = MANUAL_IT_BLOCK;
16224 case MANUAL_IT_BLOCK:
16226 /* Check conditional suffixes. */
16227 const int cond = now_it.cc ^ ((now_it.mask >> 4) & 1) ^ 1;
16230 now_it.mask &= 0x1f;
16231 is_last = (now_it.mask == 0x10);
16233 switch (inst.it_insn_type)
16235 case OUTSIDE_IT_INSN:
16236 inst.error = BAD_NOT_IT;
16239 case INSIDE_IT_INSN:
16240 if (cond != inst.cond)
16242 inst.error = BAD_IT_COND;
16247 case INSIDE_IT_LAST_INSN:
16248 case IF_INSIDE_IT_LAST_INSN:
16249 if (cond != inst.cond)
16251 inst.error = BAD_IT_COND;
16256 inst.error = BAD_BRANCH;
16261 case NEUTRAL_IT_INSN:
16262 /* The BKPT instruction is unconditional even in an IT block. */
16266 inst.error = BAD_IT_IT;
16277 it_fsm_post_encode (void)
16281 if (!now_it.state_handled)
16282 handle_it_state ();
16284 is_last = (now_it.mask == 0x10);
16287 now_it.state = OUTSIDE_IT_BLOCK;
16293 force_automatic_it_block_close (void)
16295 if (now_it.state == AUTOMATIC_IT_BLOCK)
16297 close_automatic_it_block ();
16298 now_it.state = OUTSIDE_IT_BLOCK;
16306 if (!now_it.state_handled)
16307 handle_it_state ();
16309 return now_it.state != OUTSIDE_IT_BLOCK;
16313 md_assemble (char *str)
16316 const struct asm_opcode * opcode;
16318 /* Align the previous label if needed. */
16319 if (last_label_seen != NULL)
16321 symbol_set_frag (last_label_seen, frag_now);
16322 S_SET_VALUE (last_label_seen, (valueT) frag_now_fix ());
16323 S_SET_SEGMENT (last_label_seen, now_seg);
16326 memset (&inst, '\0', sizeof (inst));
16327 inst.reloc.type = BFD_RELOC_UNUSED;
16329 opcode = opcode_lookup (&p);
16332 /* It wasn't an instruction, but it might be a register alias of
16333 the form alias .req reg, or a Neon .dn/.qn directive. */
16334 if (! create_register_alias (str, p)
16335 && ! create_neon_reg_alias (str, p))
16336 as_bad (_("bad instruction `%s'"), str);
16341 if (warn_on_deprecated && opcode->tag == OT_cinfix3_deprecated)
16342 as_warn (_("s suffix on comparison instruction is deprecated"));
16344 /* The value which unconditional instructions should have in place of the
16345 condition field. */
16346 inst.uncond_value = (opcode->tag == OT_csuffixF) ? 0xf : -1;
16350 arm_feature_set variant;
16352 variant = cpu_variant;
16353 /* Only allow coprocessor instructions on Thumb-2 capable devices. */
16354 if (!ARM_CPU_HAS_FEATURE (variant, arm_arch_t2))
16355 ARM_CLEAR_FEATURE (variant, variant, fpu_any_hard);
16356 /* Check that this instruction is supported for this CPU. */
16357 if (!opcode->tvariant
16358 || (thumb_mode == 1
16359 && !ARM_CPU_HAS_FEATURE (variant, *opcode->tvariant)))
16361 as_bad (_("selected processor does not support Thumb mode `%s'"), str);
16364 if (inst.cond != COND_ALWAYS && !unified_syntax
16365 && opcode->tencode != do_t_branch)
16367 as_bad (_("Thumb does not support conditional execution"));
16371 if (!ARM_CPU_HAS_FEATURE (variant, arm_ext_v6t2))
16373 if (opcode->tencode != do_t_blx && opcode->tencode != do_t_branch23
16374 && !(ARM_CPU_HAS_FEATURE(*opcode->tvariant, arm_ext_msr)
16375 || ARM_CPU_HAS_FEATURE(*opcode->tvariant, arm_ext_barrier)))
16377 /* Two things are addressed here.
16378 1) Implicit require narrow instructions on Thumb-1.
16379 This avoids relaxation accidentally introducing Thumb-2
16381 2) Reject wide instructions in non Thumb-2 cores. */
16382 if (inst.size_req == 0)
16384 else if (inst.size_req == 4)
16386 as_bad (_("selected processor does not support Thumb-2 mode `%s'"), str);
16392 inst.instruction = opcode->tvalue;
16394 if (!parse_operands (p, opcode->operands, /*thumb=*/TRUE))
16396 /* Prepare the it_insn_type for those encodings that don't set
16398 it_fsm_pre_encode ();
16400 opcode->tencode ();
16402 it_fsm_post_encode ();
16405 if (!(inst.error || inst.relax))
16407 gas_assert (inst.instruction < 0xe800 || inst.instruction > 0xffff);
16408 inst.size = (inst.instruction > 0xffff ? 4 : 2);
16409 if (inst.size_req && inst.size_req != inst.size)
16411 as_bad (_("cannot honor width suffix -- `%s'"), str);
16416 /* Something has gone badly wrong if we try to relax a fixed size
16418 gas_assert (inst.size_req == 0 || !inst.relax);
16420 ARM_MERGE_FEATURE_SETS (thumb_arch_used, thumb_arch_used,
16421 *opcode->tvariant);
16422 /* Many Thumb-2 instructions also have Thumb-1 variants, so explicitly
16423 set those bits when Thumb-2 32-bit instructions are seen. ie.
16424 anything other than bl/blx and v6-M instructions.
16425 This is overly pessimistic for relaxable instructions. */
16426 if (((inst.size == 4 && (inst.instruction & 0xf800e800) != 0xf000e800)
16428 && !(ARM_CPU_HAS_FEATURE (*opcode->tvariant, arm_ext_msr)
16429 || ARM_CPU_HAS_FEATURE (*opcode->tvariant, arm_ext_barrier)))
16430 ARM_MERGE_FEATURE_SETS (thumb_arch_used, thumb_arch_used,
16433 check_neon_suffixes;
16437 mapping_state (MAP_THUMB);
16440 else if (ARM_CPU_HAS_FEATURE (cpu_variant, arm_ext_v1))
16444 /* bx is allowed on v5 cores, and sometimes on v4 cores. */
16445 is_bx = (opcode->aencode == do_bx);
16447 /* Check that this instruction is supported for this CPU. */
16448 if (!(is_bx && fix_v4bx)
16449 && !(opcode->avariant &&
16450 ARM_CPU_HAS_FEATURE (cpu_variant, *opcode->avariant)))
16452 as_bad (_("selected processor does not support ARM mode `%s'"), str);
16457 as_bad (_("width suffixes are invalid in ARM mode -- `%s'"), str);
16461 inst.instruction = opcode->avalue;
16462 if (opcode->tag == OT_unconditionalF)
16463 inst.instruction |= 0xF << 28;
16465 inst.instruction |= inst.cond << 28;
16466 inst.size = INSN_SIZE;
16467 if (!parse_operands (p, opcode->operands, /*thumb=*/FALSE))
16469 it_fsm_pre_encode ();
16470 opcode->aencode ();
16471 it_fsm_post_encode ();
16473 /* Arm mode bx is marked as both v4T and v5 because it's still required
16474 on a hypothetical non-thumb v5 core. */
16476 ARM_MERGE_FEATURE_SETS (arm_arch_used, arm_arch_used, arm_ext_v4t);
16478 ARM_MERGE_FEATURE_SETS (arm_arch_used, arm_arch_used,
16479 *opcode->avariant);
16481 check_neon_suffixes;
16485 mapping_state (MAP_ARM);
16490 as_bad (_("attempt to use an ARM instruction on a Thumb-only processor "
16498 check_it_blocks_finished (void)
16503 for (sect = stdoutput->sections; sect != NULL; sect = sect->next)
16504 if (seg_info (sect)->tc_segment_info_data.current_it.state
16505 == MANUAL_IT_BLOCK)
16507 as_warn (_("section '%s' finished with an open IT block."),
16511 if (now_it.state == MANUAL_IT_BLOCK)
16512 as_warn (_("file finished with an open IT block."));
16516 /* Various frobbings of labels and their addresses. */
16519 arm_start_line_hook (void)
16521 last_label_seen = NULL;
16525 arm_frob_label (symbolS * sym)
16527 last_label_seen = sym;
16529 ARM_SET_THUMB (sym, thumb_mode);
16531 #if defined OBJ_COFF || defined OBJ_ELF
16532 ARM_SET_INTERWORK (sym, support_interwork);
16535 force_automatic_it_block_close ();
16537 /* Note - do not allow local symbols (.Lxxx) to be labelled
16538 as Thumb functions. This is because these labels, whilst
16539 they exist inside Thumb code, are not the entry points for
16540 possible ARM->Thumb calls. Also, these labels can be used
16541 as part of a computed goto or switch statement. eg gcc
16542 can generate code that looks like this:
16544 ldr r2, [pc, .Laaa]
16554 The first instruction loads the address of the jump table.
16555 The second instruction converts a table index into a byte offset.
16556 The third instruction gets the jump address out of the table.
16557 The fourth instruction performs the jump.
16559 If the address stored at .Laaa is that of a symbol which has the
16560 Thumb_Func bit set, then the linker will arrange for this address
16561 to have the bottom bit set, which in turn would mean that the
16562 address computation performed by the third instruction would end
16563 up with the bottom bit set. Since the ARM is capable of unaligned
16564 word loads, the instruction would then load the incorrect address
16565 out of the jump table, and chaos would ensue. */
16566 if (label_is_thumb_function_name
16567 && (S_GET_NAME (sym)[0] != '.' || S_GET_NAME (sym)[1] != 'L')
16568 && (bfd_get_section_flags (stdoutput, now_seg) & SEC_CODE) != 0)
16570 /* When the address of a Thumb function is taken the bottom
16571 bit of that address should be set. This will allow
16572 interworking between Arm and Thumb functions to work
16575 THUMB_SET_FUNC (sym, 1);
16577 label_is_thumb_function_name = FALSE;
16580 dwarf2_emit_label (sym);
16584 arm_data_in_code (void)
16586 if (thumb_mode && ! strncmp (input_line_pointer + 1, "data:", 5))
16588 *input_line_pointer = '/';
16589 input_line_pointer += 5;
16590 *input_line_pointer = 0;
16598 arm_canonicalize_symbol_name (char * name)
16602 if (thumb_mode && (len = strlen (name)) > 5
16603 && streq (name + len - 5, "/data"))
16604 *(name + len - 5) = 0;
16609 /* Table of all register names defined by default. The user can
16610 define additional names with .req. Note that all register names
16611 should appear in both upper and lowercase variants. Some registers
16612 also have mixed-case names. */
16614 #define REGDEF(s,n,t) { #s, n, REG_TYPE_##t, TRUE, 0 }
16615 #define REGNUM(p,n,t) REGDEF(p##n, n, t)
16616 #define REGNUM2(p,n,t) REGDEF(p##n, 2 * n, t)
16617 #define REGSET(p,t) \
16618 REGNUM(p, 0,t), REGNUM(p, 1,t), REGNUM(p, 2,t), REGNUM(p, 3,t), \
16619 REGNUM(p, 4,t), REGNUM(p, 5,t), REGNUM(p, 6,t), REGNUM(p, 7,t), \
16620 REGNUM(p, 8,t), REGNUM(p, 9,t), REGNUM(p,10,t), REGNUM(p,11,t), \
16621 REGNUM(p,12,t), REGNUM(p,13,t), REGNUM(p,14,t), REGNUM(p,15,t)
16622 #define REGSETH(p,t) \
16623 REGNUM(p,16,t), REGNUM(p,17,t), REGNUM(p,18,t), REGNUM(p,19,t), \
16624 REGNUM(p,20,t), REGNUM(p,21,t), REGNUM(p,22,t), REGNUM(p,23,t), \
16625 REGNUM(p,24,t), REGNUM(p,25,t), REGNUM(p,26,t), REGNUM(p,27,t), \
16626 REGNUM(p,28,t), REGNUM(p,29,t), REGNUM(p,30,t), REGNUM(p,31,t)
16627 #define REGSET2(p,t) \
16628 REGNUM2(p, 0,t), REGNUM2(p, 1,t), REGNUM2(p, 2,t), REGNUM2(p, 3,t), \
16629 REGNUM2(p, 4,t), REGNUM2(p, 5,t), REGNUM2(p, 6,t), REGNUM2(p, 7,t), \
16630 REGNUM2(p, 8,t), REGNUM2(p, 9,t), REGNUM2(p,10,t), REGNUM2(p,11,t), \
16631 REGNUM2(p,12,t), REGNUM2(p,13,t), REGNUM2(p,14,t), REGNUM2(p,15,t)
16632 #define SPLRBANK(base,bank,t) \
16633 REGDEF(lr_##bank, 768|((base+0)<<16), t), \
16634 REGDEF(sp_##bank, 768|((base+1)<<16), t), \
16635 REGDEF(spsr_##bank, 768|(base<<16)|SPSR_BIT, t), \
16636 REGDEF(LR_##bank, 768|((base+0)<<16), t), \
16637 REGDEF(SP_##bank, 768|((base+1)<<16), t), \
16638 REGDEF(SPSR_##bank, 768|(base<<16)|SPSR_BIT, t)
16640 static const struct reg_entry reg_names[] =
16642 /* ARM integer registers. */
16643 REGSET(r, RN), REGSET(R, RN),
16645 /* ATPCS synonyms. */
16646 REGDEF(a1,0,RN), REGDEF(a2,1,RN), REGDEF(a3, 2,RN), REGDEF(a4, 3,RN),
16647 REGDEF(v1,4,RN), REGDEF(v2,5,RN), REGDEF(v3, 6,RN), REGDEF(v4, 7,RN),
16648 REGDEF(v5,8,RN), REGDEF(v6,9,RN), REGDEF(v7,10,RN), REGDEF(v8,11,RN),
16650 REGDEF(A1,0,RN), REGDEF(A2,1,RN), REGDEF(A3, 2,RN), REGDEF(A4, 3,RN),
16651 REGDEF(V1,4,RN), REGDEF(V2,5,RN), REGDEF(V3, 6,RN), REGDEF(V4, 7,RN),
16652 REGDEF(V5,8,RN), REGDEF(V6,9,RN), REGDEF(V7,10,RN), REGDEF(V8,11,RN),
16654 /* Well-known aliases. */
16655 REGDEF(wr, 7,RN), REGDEF(sb, 9,RN), REGDEF(sl,10,RN), REGDEF(fp,11,RN),
16656 REGDEF(ip,12,RN), REGDEF(sp,13,RN), REGDEF(lr,14,RN), REGDEF(pc,15,RN),
16658 REGDEF(WR, 7,RN), REGDEF(SB, 9,RN), REGDEF(SL,10,RN), REGDEF(FP,11,RN),
16659 REGDEF(IP,12,RN), REGDEF(SP,13,RN), REGDEF(LR,14,RN), REGDEF(PC,15,RN),
16661 /* Coprocessor numbers. */
16662 REGSET(p, CP), REGSET(P, CP),
16664 /* Coprocessor register numbers. The "cr" variants are for backward
16666 REGSET(c, CN), REGSET(C, CN),
16667 REGSET(cr, CN), REGSET(CR, CN),
16669 /* ARM banked registers. */
16670 REGDEF(R8_usr,512|(0<<16),RNB), REGDEF(r8_usr,512|(0<<16),RNB),
16671 REGDEF(R9_usr,512|(1<<16),RNB), REGDEF(r9_usr,512|(1<<16),RNB),
16672 REGDEF(R10_usr,512|(2<<16),RNB), REGDEF(r10_usr,512|(2<<16),RNB),
16673 REGDEF(R11_usr,512|(3<<16),RNB), REGDEF(r11_usr,512|(3<<16),RNB),
16674 REGDEF(R12_usr,512|(4<<16),RNB), REGDEF(r12_usr,512|(4<<16),RNB),
16675 REGDEF(SP_usr,512|(5<<16),RNB), REGDEF(sp_usr,512|(5<<16),RNB),
16676 REGDEF(LR_usr,512|(6<<16),RNB), REGDEF(lr_usr,512|(6<<16),RNB),
16678 REGDEF(R8_fiq,512|(8<<16),RNB), REGDEF(r8_fiq,512|(8<<16),RNB),
16679 REGDEF(R9_fiq,512|(9<<16),RNB), REGDEF(r9_fiq,512|(9<<16),RNB),
16680 REGDEF(R10_fiq,512|(10<<16),RNB), REGDEF(r10_fiq,512|(10<<16),RNB),
16681 REGDEF(R11_fiq,512|(11<<16),RNB), REGDEF(r11_fiq,512|(11<<16),RNB),
16682 REGDEF(R12_fiq,512|(12<<16),RNB), REGDEF(r12_fiq,512|(12<<16),RNB),
16683 REGDEF(SP_fiq,512|(13<<16),RNB), REGDEF(SP_fiq,512|(13<<16),RNB),
16684 REGDEF(LR_fiq,512|(14<<16),RNB), REGDEF(lr_fiq,512|(14<<16),RNB),
16685 REGDEF(SPSR_fiq,512|(14<<16)|SPSR_BIT,RNB), REGDEF(spsr_fiq,512|(14<<16)|SPSR_BIT,RNB),
16687 SPLRBANK(0,IRQ,RNB), SPLRBANK(0,irq,RNB),
16688 SPLRBANK(2,SVC,RNB), SPLRBANK(2,svc,RNB),
16689 SPLRBANK(4,ABT,RNB), SPLRBANK(4,abt,RNB),
16690 SPLRBANK(6,UND,RNB), SPLRBANK(6,und,RNB),
16691 SPLRBANK(12,MON,RNB), SPLRBANK(12,mon,RNB),
16692 REGDEF(elr_hyp,768|(14<<16),RNB), REGDEF(ELR_hyp,768|(14<<16),RNB),
16693 REGDEF(sp_hyp,768|(15<<16),RNB), REGDEF(SP_hyp,768|(15<<16),RNB),
16694 REGDEF(spsr_hyp,768|(14<<16)|SPSR_BIT,RNB),
16695 REGDEF(SPSR_hyp,768|(14<<16)|SPSR_BIT,RNB),
16697 /* FPA registers. */
16698 REGNUM(f,0,FN), REGNUM(f,1,FN), REGNUM(f,2,FN), REGNUM(f,3,FN),
16699 REGNUM(f,4,FN), REGNUM(f,5,FN), REGNUM(f,6,FN), REGNUM(f,7, FN),
16701 REGNUM(F,0,FN), REGNUM(F,1,FN), REGNUM(F,2,FN), REGNUM(F,3,FN),
16702 REGNUM(F,4,FN), REGNUM(F,5,FN), REGNUM(F,6,FN), REGNUM(F,7, FN),
16704 /* VFP SP registers. */
16705 REGSET(s,VFS), REGSET(S,VFS),
16706 REGSETH(s,VFS), REGSETH(S,VFS),
16708 /* VFP DP Registers. */
16709 REGSET(d,VFD), REGSET(D,VFD),
16710 /* Extra Neon DP registers. */
16711 REGSETH(d,VFD), REGSETH(D,VFD),
16713 /* Neon QP registers. */
16714 REGSET2(q,NQ), REGSET2(Q,NQ),
16716 /* VFP control registers. */
16717 REGDEF(fpsid,0,VFC), REGDEF(fpscr,1,VFC), REGDEF(fpexc,8,VFC),
16718 REGDEF(FPSID,0,VFC), REGDEF(FPSCR,1,VFC), REGDEF(FPEXC,8,VFC),
16719 REGDEF(fpinst,9,VFC), REGDEF(fpinst2,10,VFC),
16720 REGDEF(FPINST,9,VFC), REGDEF(FPINST2,10,VFC),
16721 REGDEF(mvfr0,7,VFC), REGDEF(mvfr1,6,VFC),
16722 REGDEF(MVFR0,7,VFC), REGDEF(MVFR1,6,VFC),
16724 /* Maverick DSP coprocessor registers. */
16725 REGSET(mvf,MVF), REGSET(mvd,MVD), REGSET(mvfx,MVFX), REGSET(mvdx,MVDX),
16726 REGSET(MVF,MVF), REGSET(MVD,MVD), REGSET(MVFX,MVFX), REGSET(MVDX,MVDX),
16728 REGNUM(mvax,0,MVAX), REGNUM(mvax,1,MVAX),
16729 REGNUM(mvax,2,MVAX), REGNUM(mvax,3,MVAX),
16730 REGDEF(dspsc,0,DSPSC),
16732 REGNUM(MVAX,0,MVAX), REGNUM(MVAX,1,MVAX),
16733 REGNUM(MVAX,2,MVAX), REGNUM(MVAX,3,MVAX),
16734 REGDEF(DSPSC,0,DSPSC),
16736 /* iWMMXt data registers - p0, c0-15. */
16737 REGSET(wr,MMXWR), REGSET(wR,MMXWR), REGSET(WR, MMXWR),
16739 /* iWMMXt control registers - p1, c0-3. */
16740 REGDEF(wcid, 0,MMXWC), REGDEF(wCID, 0,MMXWC), REGDEF(WCID, 0,MMXWC),
16741 REGDEF(wcon, 1,MMXWC), REGDEF(wCon, 1,MMXWC), REGDEF(WCON, 1,MMXWC),
16742 REGDEF(wcssf, 2,MMXWC), REGDEF(wCSSF, 2,MMXWC), REGDEF(WCSSF, 2,MMXWC),
16743 REGDEF(wcasf, 3,MMXWC), REGDEF(wCASF, 3,MMXWC), REGDEF(WCASF, 3,MMXWC),
16745 /* iWMMXt scalar (constant/offset) registers - p1, c8-11. */
16746 REGDEF(wcgr0, 8,MMXWCG), REGDEF(wCGR0, 8,MMXWCG), REGDEF(WCGR0, 8,MMXWCG),
16747 REGDEF(wcgr1, 9,MMXWCG), REGDEF(wCGR1, 9,MMXWCG), REGDEF(WCGR1, 9,MMXWCG),
16748 REGDEF(wcgr2,10,MMXWCG), REGDEF(wCGR2,10,MMXWCG), REGDEF(WCGR2,10,MMXWCG),
16749 REGDEF(wcgr3,11,MMXWCG), REGDEF(wCGR3,11,MMXWCG), REGDEF(WCGR3,11,MMXWCG),
16751 /* XScale accumulator registers. */
16752 REGNUM(acc,0,XSCALE), REGNUM(ACC,0,XSCALE),
16758 /* Table of all PSR suffixes. Bare "CPSR" and "SPSR" are handled
16759 within psr_required_here. */
16760 static const struct asm_psr psrs[] =
16762 /* Backward compatibility notation. Note that "all" is no longer
16763 truly all possible PSR bits. */
16764 {"all", PSR_c | PSR_f},
16768 /* Individual flags. */
16774 /* Combinations of flags. */
16775 {"fs", PSR_f | PSR_s},
16776 {"fx", PSR_f | PSR_x},
16777 {"fc", PSR_f | PSR_c},
16778 {"sf", PSR_s | PSR_f},
16779 {"sx", PSR_s | PSR_x},
16780 {"sc", PSR_s | PSR_c},
16781 {"xf", PSR_x | PSR_f},
16782 {"xs", PSR_x | PSR_s},
16783 {"xc", PSR_x | PSR_c},
16784 {"cf", PSR_c | PSR_f},
16785 {"cs", PSR_c | PSR_s},
16786 {"cx", PSR_c | PSR_x},
16787 {"fsx", PSR_f | PSR_s | PSR_x},
16788 {"fsc", PSR_f | PSR_s | PSR_c},
16789 {"fxs", PSR_f | PSR_x | PSR_s},
16790 {"fxc", PSR_f | PSR_x | PSR_c},
16791 {"fcs", PSR_f | PSR_c | PSR_s},
16792 {"fcx", PSR_f | PSR_c | PSR_x},
16793 {"sfx", PSR_s | PSR_f | PSR_x},
16794 {"sfc", PSR_s | PSR_f | PSR_c},
16795 {"sxf", PSR_s | PSR_x | PSR_f},
16796 {"sxc", PSR_s | PSR_x | PSR_c},
16797 {"scf", PSR_s | PSR_c | PSR_f},
16798 {"scx", PSR_s | PSR_c | PSR_x},
16799 {"xfs", PSR_x | PSR_f | PSR_s},
16800 {"xfc", PSR_x | PSR_f | PSR_c},
16801 {"xsf", PSR_x | PSR_s | PSR_f},
16802 {"xsc", PSR_x | PSR_s | PSR_c},
16803 {"xcf", PSR_x | PSR_c | PSR_f},
16804 {"xcs", PSR_x | PSR_c | PSR_s},
16805 {"cfs", PSR_c | PSR_f | PSR_s},
16806 {"cfx", PSR_c | PSR_f | PSR_x},
16807 {"csf", PSR_c | PSR_s | PSR_f},
16808 {"csx", PSR_c | PSR_s | PSR_x},
16809 {"cxf", PSR_c | PSR_x | PSR_f},
16810 {"cxs", PSR_c | PSR_x | PSR_s},
16811 {"fsxc", PSR_f | PSR_s | PSR_x | PSR_c},
16812 {"fscx", PSR_f | PSR_s | PSR_c | PSR_x},
16813 {"fxsc", PSR_f | PSR_x | PSR_s | PSR_c},
16814 {"fxcs", PSR_f | PSR_x | PSR_c | PSR_s},
16815 {"fcsx", PSR_f | PSR_c | PSR_s | PSR_x},
16816 {"fcxs", PSR_f | PSR_c | PSR_x | PSR_s},
16817 {"sfxc", PSR_s | PSR_f | PSR_x | PSR_c},
16818 {"sfcx", PSR_s | PSR_f | PSR_c | PSR_x},
16819 {"sxfc", PSR_s | PSR_x | PSR_f | PSR_c},
16820 {"sxcf", PSR_s | PSR_x | PSR_c | PSR_f},
16821 {"scfx", PSR_s | PSR_c | PSR_f | PSR_x},
16822 {"scxf", PSR_s | PSR_c | PSR_x | PSR_f},
16823 {"xfsc", PSR_x | PSR_f | PSR_s | PSR_c},
16824 {"xfcs", PSR_x | PSR_f | PSR_c | PSR_s},
16825 {"xsfc", PSR_x | PSR_s | PSR_f | PSR_c},
16826 {"xscf", PSR_x | PSR_s | PSR_c | PSR_f},
16827 {"xcfs", PSR_x | PSR_c | PSR_f | PSR_s},
16828 {"xcsf", PSR_x | PSR_c | PSR_s | PSR_f},
16829 {"cfsx", PSR_c | PSR_f | PSR_s | PSR_x},
16830 {"cfxs", PSR_c | PSR_f | PSR_x | PSR_s},
16831 {"csfx", PSR_c | PSR_s | PSR_f | PSR_x},
16832 {"csxf", PSR_c | PSR_s | PSR_x | PSR_f},
16833 {"cxfs", PSR_c | PSR_x | PSR_f | PSR_s},
16834 {"cxsf", PSR_c | PSR_x | PSR_s | PSR_f},
16837 /* Table of V7M psr names. */
16838 static const struct asm_psr v7m_psrs[] =
16840 {"apsr", 0 }, {"APSR", 0 },
16841 {"iapsr", 1 }, {"IAPSR", 1 },
16842 {"eapsr", 2 }, {"EAPSR", 2 },
16843 {"psr", 3 }, {"PSR", 3 },
16844 {"xpsr", 3 }, {"XPSR", 3 }, {"xPSR", 3 },
16845 {"ipsr", 5 }, {"IPSR", 5 },
16846 {"epsr", 6 }, {"EPSR", 6 },
16847 {"iepsr", 7 }, {"IEPSR", 7 },
16848 {"msp", 8 }, {"MSP", 8 },
16849 {"psp", 9 }, {"PSP", 9 },
16850 {"primask", 16}, {"PRIMASK", 16},
16851 {"basepri", 17}, {"BASEPRI", 17},
16852 {"basepri_max", 18}, {"BASEPRI_MAX", 18},
16853 {"basepri_max", 18}, {"BASEPRI_MASK", 18}, /* Typo, preserved for backwards compatibility. */
16854 {"faultmask", 19}, {"FAULTMASK", 19},
16855 {"control", 20}, {"CONTROL", 20}
16858 /* Table of all shift-in-operand names. */
16859 static const struct asm_shift_name shift_names [] =
16861 { "asl", SHIFT_LSL }, { "ASL", SHIFT_LSL },
16862 { "lsl", SHIFT_LSL }, { "LSL", SHIFT_LSL },
16863 { "lsr", SHIFT_LSR }, { "LSR", SHIFT_LSR },
16864 { "asr", SHIFT_ASR }, { "ASR", SHIFT_ASR },
16865 { "ror", SHIFT_ROR }, { "ROR", SHIFT_ROR },
16866 { "rrx", SHIFT_RRX }, { "RRX", SHIFT_RRX }
16869 /* Table of all explicit relocation names. */
16871 static struct reloc_entry reloc_names[] =
16873 { "got", BFD_RELOC_ARM_GOT32 }, { "GOT", BFD_RELOC_ARM_GOT32 },
16874 { "gotoff", BFD_RELOC_ARM_GOTOFF }, { "GOTOFF", BFD_RELOC_ARM_GOTOFF },
16875 { "plt", BFD_RELOC_ARM_PLT32 }, { "PLT", BFD_RELOC_ARM_PLT32 },
16876 { "target1", BFD_RELOC_ARM_TARGET1 }, { "TARGET1", BFD_RELOC_ARM_TARGET1 },
16877 { "target2", BFD_RELOC_ARM_TARGET2 }, { "TARGET2", BFD_RELOC_ARM_TARGET2 },
16878 { "sbrel", BFD_RELOC_ARM_SBREL32 }, { "SBREL", BFD_RELOC_ARM_SBREL32 },
16879 { "tlsgd", BFD_RELOC_ARM_TLS_GD32}, { "TLSGD", BFD_RELOC_ARM_TLS_GD32},
16880 { "tlsldm", BFD_RELOC_ARM_TLS_LDM32}, { "TLSLDM", BFD_RELOC_ARM_TLS_LDM32},
16881 { "tlsldo", BFD_RELOC_ARM_TLS_LDO32}, { "TLSLDO", BFD_RELOC_ARM_TLS_LDO32},
16882 { "gottpoff",BFD_RELOC_ARM_TLS_IE32}, { "GOTTPOFF",BFD_RELOC_ARM_TLS_IE32},
16883 { "tpoff", BFD_RELOC_ARM_TLS_LE32}, { "TPOFF", BFD_RELOC_ARM_TLS_LE32},
16884 { "got_prel", BFD_RELOC_ARM_GOT_PREL}, { "GOT_PREL", BFD_RELOC_ARM_GOT_PREL},
16885 { "tlsdesc", BFD_RELOC_ARM_TLS_GOTDESC},
16886 { "TLSDESC", BFD_RELOC_ARM_TLS_GOTDESC},
16887 { "tlscall", BFD_RELOC_ARM_TLS_CALL},
16888 { "TLSCALL", BFD_RELOC_ARM_TLS_CALL},
16889 { "tlsdescseq", BFD_RELOC_ARM_TLS_DESCSEQ},
16890 { "TLSDESCSEQ", BFD_RELOC_ARM_TLS_DESCSEQ}
16894 /* Table of all conditional affixes. 0xF is not defined as a condition code. */
16895 static const struct asm_cond conds[] =
16899 {"cs", 0x2}, {"hs", 0x2},
16900 {"cc", 0x3}, {"ul", 0x3}, {"lo", 0x3},
16914 static struct asm_barrier_opt barrier_opt_names[] =
16916 { "sy", 0xf }, { "SY", 0xf },
16917 { "un", 0x7 }, { "UN", 0x7 },
16918 { "st", 0xe }, { "ST", 0xe },
16919 { "unst", 0x6 }, { "UNST", 0x6 },
16920 { "ish", 0xb }, { "ISH", 0xb },
16921 { "sh", 0xb }, { "SH", 0xb },
16922 { "ishst", 0xa }, { "ISHST", 0xa },
16923 { "shst", 0xa }, { "SHST", 0xa },
16924 { "nsh", 0x7 }, { "NSH", 0x7 },
16925 { "nshst", 0x6 }, { "NSHST", 0x6 },
16926 { "osh", 0x3 }, { "OSH", 0x3 },
16927 { "oshst", 0x2 }, { "OSHST", 0x2 }
16930 /* Table of ARM-format instructions. */
16932 /* Macros for gluing together operand strings. N.B. In all cases
16933 other than OPS0, the trailing OP_stop comes from default
16934 zero-initialization of the unspecified elements of the array. */
16935 #define OPS0() { OP_stop, }
16936 #define OPS1(a) { OP_##a, }
16937 #define OPS2(a,b) { OP_##a,OP_##b, }
16938 #define OPS3(a,b,c) { OP_##a,OP_##b,OP_##c, }
16939 #define OPS4(a,b,c,d) { OP_##a,OP_##b,OP_##c,OP_##d, }
16940 #define OPS5(a,b,c,d,e) { OP_##a,OP_##b,OP_##c,OP_##d,OP_##e, }
16941 #define OPS6(a,b,c,d,e,f) { OP_##a,OP_##b,OP_##c,OP_##d,OP_##e,OP_##f, }
16943 /* These macros are similar to the OPSn, but do not prepend the OP_ prefix.
16944 This is useful when mixing operands for ARM and THUMB, i.e. using the
16945 MIX_ARM_THUMB_OPERANDS macro.
16946 In order to use these macros, prefix the number of operands with _
16948 #define OPS_1(a) { a, }
16949 #define OPS_2(a,b) { a,b, }
16950 #define OPS_3(a,b,c) { a,b,c, }
16951 #define OPS_4(a,b,c,d) { a,b,c,d, }
16952 #define OPS_5(a,b,c,d,e) { a,b,c,d,e, }
16953 #define OPS_6(a,b,c,d,e,f) { a,b,c,d,e,f, }
16955 /* These macros abstract out the exact format of the mnemonic table and
16956 save some repeated characters. */
16958 /* The normal sort of mnemonic; has a Thumb variant; takes a conditional suffix. */
16959 #define TxCE(mnem, op, top, nops, ops, ae, te) \
16960 { mnem, OPS##nops ops, OT_csuffix, 0x##op, top, ARM_VARIANT, \
16961 THUMB_VARIANT, do_##ae, do_##te }
16963 /* Two variants of the above - TCE for a numeric Thumb opcode, tCE for
16964 a T_MNEM_xyz enumerator. */
16965 #define TCE(mnem, aop, top, nops, ops, ae, te) \
16966 TxCE (mnem, aop, 0x##top, nops, ops, ae, te)
16967 #define tCE(mnem, aop, top, nops, ops, ae, te) \
16968 TxCE (mnem, aop, T_MNEM##top, nops, ops, ae, te)
16970 /* Second most common sort of mnemonic: has a Thumb variant, takes a conditional
16971 infix after the third character. */
16972 #define TxC3(mnem, op, top, nops, ops, ae, te) \
16973 { mnem, OPS##nops ops, OT_cinfix3, 0x##op, top, ARM_VARIANT, \
16974 THUMB_VARIANT, do_##ae, do_##te }
16975 #define TxC3w(mnem, op, top, nops, ops, ae, te) \
16976 { mnem, OPS##nops ops, OT_cinfix3_deprecated, 0x##op, top, ARM_VARIANT, \
16977 THUMB_VARIANT, do_##ae, do_##te }
16978 #define TC3(mnem, aop, top, nops, ops, ae, te) \
16979 TxC3 (mnem, aop, 0x##top, nops, ops, ae, te)
16980 #define TC3w(mnem, aop, top, nops, ops, ae, te) \
16981 TxC3w (mnem, aop, 0x##top, nops, ops, ae, te)
16982 #define tC3(mnem, aop, top, nops, ops, ae, te) \
16983 TxC3 (mnem, aop, T_MNEM##top, nops, ops, ae, te)
16984 #define tC3w(mnem, aop, top, nops, ops, ae, te) \
16985 TxC3w (mnem, aop, T_MNEM##top, nops, ops, ae, te)
16987 /* Mnemonic with a conditional infix in an unusual place. Each and every variant has to
16988 appear in the condition table. */
16989 #define TxCM_(m1, m2, m3, op, top, nops, ops, ae, te) \
16990 { m1 #m2 m3, OPS##nops ops, sizeof (#m2) == 1 ? OT_odd_infix_unc : OT_odd_infix_0 + sizeof (m1) - 1, \
16991 0x##op, top, ARM_VARIANT, THUMB_VARIANT, do_##ae, do_##te }
16993 #define TxCM(m1, m2, op, top, nops, ops, ae, te) \
16994 TxCM_ (m1, , m2, op, top, nops, ops, ae, te), \
16995 TxCM_ (m1, eq, m2, op, top, nops, ops, ae, te), \
16996 TxCM_ (m1, ne, m2, op, top, nops, ops, ae, te), \
16997 TxCM_ (m1, cs, m2, op, top, nops, ops, ae, te), \
16998 TxCM_ (m1, hs, m2, op, top, nops, ops, ae, te), \
16999 TxCM_ (m1, cc, m2, op, top, nops, ops, ae, te), \
17000 TxCM_ (m1, ul, m2, op, top, nops, ops, ae, te), \
17001 TxCM_ (m1, lo, m2, op, top, nops, ops, ae, te), \
17002 TxCM_ (m1, mi, m2, op, top, nops, ops, ae, te), \
17003 TxCM_ (m1, pl, m2, op, top, nops, ops, ae, te), \
17004 TxCM_ (m1, vs, m2, op, top, nops, ops, ae, te), \
17005 TxCM_ (m1, vc, m2, op, top, nops, ops, ae, te), \
17006 TxCM_ (m1, hi, m2, op, top, nops, ops, ae, te), \
17007 TxCM_ (m1, ls, m2, op, top, nops, ops, ae, te), \
17008 TxCM_ (m1, ge, m2, op, top, nops, ops, ae, te), \
17009 TxCM_ (m1, lt, m2, op, top, nops, ops, ae, te), \
17010 TxCM_ (m1, gt, m2, op, top, nops, ops, ae, te), \
17011 TxCM_ (m1, le, m2, op, top, nops, ops, ae, te), \
17012 TxCM_ (m1, al, m2, op, top, nops, ops, ae, te)
17014 #define TCM(m1,m2, aop, top, nops, ops, ae, te) \
17015 TxCM (m1,m2, aop, 0x##top, nops, ops, ae, te)
17016 #define tCM(m1,m2, aop, top, nops, ops, ae, te) \
17017 TxCM (m1,m2, aop, T_MNEM##top, nops, ops, ae, te)
17019 /* Mnemonic that cannot be conditionalized. The ARM condition-code
17020 field is still 0xE. Many of the Thumb variants can be executed
17021 conditionally, so this is checked separately. */
17022 #define TUE(mnem, op, top, nops, ops, ae, te) \
17023 { mnem, OPS##nops ops, OT_unconditional, 0x##op, 0x##top, ARM_VARIANT, \
17024 THUMB_VARIANT, do_##ae, do_##te }
17026 /* Mnemonic that cannot be conditionalized, and bears 0xF in its ARM
17027 condition code field. */
17028 #define TUF(mnem, op, top, nops, ops, ae, te) \
17029 { mnem, OPS##nops ops, OT_unconditionalF, 0x##op, 0x##top, ARM_VARIANT, \
17030 THUMB_VARIANT, do_##ae, do_##te }
17032 /* ARM-only variants of all the above. */
17033 #define CE(mnem, op, nops, ops, ae) \
17034 { mnem, OPS##nops ops, OT_csuffix, 0x##op, 0x0, ARM_VARIANT, 0, do_##ae, NULL }
17036 #define C3(mnem, op, nops, ops, ae) \
17037 { #mnem, OPS##nops ops, OT_cinfix3, 0x##op, 0x0, ARM_VARIANT, 0, do_##ae, NULL }
17039 /* Legacy mnemonics that always have conditional infix after the third
17041 #define CL(mnem, op, nops, ops, ae) \
17042 { mnem, OPS##nops ops, OT_cinfix3_legacy, \
17043 0x##op, 0x0, ARM_VARIANT, 0, do_##ae, NULL }
17045 /* Coprocessor instructions. Isomorphic between Arm and Thumb-2. */
17046 #define cCE(mnem, op, nops, ops, ae) \
17047 { mnem, OPS##nops ops, OT_csuffix, 0x##op, 0xe##op, ARM_VARIANT, ARM_VARIANT, do_##ae, do_##ae }
17049 /* Legacy coprocessor instructions where conditional infix and conditional
17050 suffix are ambiguous. For consistency this includes all FPA instructions,
17051 not just the potentially ambiguous ones. */
17052 #define cCL(mnem, op, nops, ops, ae) \
17053 { mnem, OPS##nops ops, OT_cinfix3_legacy, \
17054 0x##op, 0xe##op, ARM_VARIANT, ARM_VARIANT, do_##ae, do_##ae }
17056 /* Coprocessor, takes either a suffix or a position-3 infix
17057 (for an FPA corner case). */
17058 #define C3E(mnem, op, nops, ops, ae) \
17059 { mnem, OPS##nops ops, OT_csuf_or_in3, \
17060 0x##op, 0xe##op, ARM_VARIANT, ARM_VARIANT, do_##ae, do_##ae }
17062 #define xCM_(m1, m2, m3, op, nops, ops, ae) \
17063 { m1 #m2 m3, OPS##nops ops, \
17064 sizeof (#m2) == 1 ? OT_odd_infix_unc : OT_odd_infix_0 + sizeof (m1) - 1, \
17065 0x##op, 0x0, ARM_VARIANT, 0, do_##ae, NULL }
17067 #define CM(m1, m2, op, nops, ops, ae) \
17068 xCM_ (m1, , m2, op, nops, ops, ae), \
17069 xCM_ (m1, eq, m2, op, nops, ops, ae), \
17070 xCM_ (m1, ne, m2, op, nops, ops, ae), \
17071 xCM_ (m1, cs, m2, op, nops, ops, ae), \
17072 xCM_ (m1, hs, m2, op, nops, ops, ae), \
17073 xCM_ (m1, cc, m2, op, nops, ops, ae), \
17074 xCM_ (m1, ul, m2, op, nops, ops, ae), \
17075 xCM_ (m1, lo, m2, op, nops, ops, ae), \
17076 xCM_ (m1, mi, m2, op, nops, ops, ae), \
17077 xCM_ (m1, pl, m2, op, nops, ops, ae), \
17078 xCM_ (m1, vs, m2, op, nops, ops, ae), \
17079 xCM_ (m1, vc, m2, op, nops, ops, ae), \
17080 xCM_ (m1, hi, m2, op, nops, ops, ae), \
17081 xCM_ (m1, ls, m2, op, nops, ops, ae), \
17082 xCM_ (m1, ge, m2, op, nops, ops, ae), \
17083 xCM_ (m1, lt, m2, op, nops, ops, ae), \
17084 xCM_ (m1, gt, m2, op, nops, ops, ae), \
17085 xCM_ (m1, le, m2, op, nops, ops, ae), \
17086 xCM_ (m1, al, m2, op, nops, ops, ae)
17088 #define UE(mnem, op, nops, ops, ae) \
17089 { #mnem, OPS##nops ops, OT_unconditional, 0x##op, 0, ARM_VARIANT, 0, do_##ae, NULL }
17091 #define UF(mnem, op, nops, ops, ae) \
17092 { #mnem, OPS##nops ops, OT_unconditionalF, 0x##op, 0, ARM_VARIANT, 0, do_##ae, NULL }
17094 /* Neon data-processing. ARM versions are unconditional with cond=0xf.
17095 The Thumb and ARM variants are mostly the same (bits 0-23 and 24/28), so we
17096 use the same encoding function for each. */
17097 #define NUF(mnem, op, nops, ops, enc) \
17098 { #mnem, OPS##nops ops, OT_unconditionalF, 0x##op, 0x##op, \
17099 ARM_VARIANT, THUMB_VARIANT, do_##enc, do_##enc }
17101 /* Neon data processing, version which indirects through neon_enc_tab for
17102 the various overloaded versions of opcodes. */
17103 #define nUF(mnem, op, nops, ops, enc) \
17104 { #mnem, OPS##nops ops, OT_unconditionalF, N_MNEM##op, N_MNEM##op, \
17105 ARM_VARIANT, THUMB_VARIANT, do_##enc, do_##enc }
17107 /* Neon insn with conditional suffix for the ARM version, non-overloaded
17109 #define NCE_tag(mnem, op, nops, ops, enc, tag) \
17110 { #mnem, OPS##nops ops, tag, 0x##op, 0x##op, ARM_VARIANT, \
17111 THUMB_VARIANT, do_##enc, do_##enc }
17113 #define NCE(mnem, op, nops, ops, enc) \
17114 NCE_tag (mnem, op, nops, ops, enc, OT_csuffix)
17116 #define NCEF(mnem, op, nops, ops, enc) \
17117 NCE_tag (mnem, op, nops, ops, enc, OT_csuffixF)
17119 /* Neon insn with conditional suffix for the ARM version, overloaded types. */
17120 #define nCE_tag(mnem, op, nops, ops, enc, tag) \
17121 { #mnem, OPS##nops ops, tag, N_MNEM##op, N_MNEM##op, \
17122 ARM_VARIANT, THUMB_VARIANT, do_##enc, do_##enc }
17124 #define nCE(mnem, op, nops, ops, enc) \
17125 nCE_tag (mnem, op, nops, ops, enc, OT_csuffix)
17127 #define nCEF(mnem, op, nops, ops, enc) \
17128 nCE_tag (mnem, op, nops, ops, enc, OT_csuffixF)
17132 static const struct asm_opcode insns[] =
17134 #define ARM_VARIANT &arm_ext_v1 /* Core ARM Instructions. */
17135 #define THUMB_VARIANT &arm_ext_v4t
17136 tCE("and", 0000000, _and, 3, (RR, oRR, SH), arit, t_arit3c),
17137 tC3("ands", 0100000, _ands, 3, (RR, oRR, SH), arit, t_arit3c),
17138 tCE("eor", 0200000, _eor, 3, (RR, oRR, SH), arit, t_arit3c),
17139 tC3("eors", 0300000, _eors, 3, (RR, oRR, SH), arit, t_arit3c),
17140 tCE("sub", 0400000, _sub, 3, (RR, oRR, SH), arit, t_add_sub),
17141 tC3("subs", 0500000, _subs, 3, (RR, oRR, SH), arit, t_add_sub),
17142 tCE("add", 0800000, _add, 3, (RR, oRR, SHG), arit, t_add_sub),
17143 tC3("adds", 0900000, _adds, 3, (RR, oRR, SHG), arit, t_add_sub),
17144 tCE("adc", 0a00000, _adc, 3, (RR, oRR, SH), arit, t_arit3c),
17145 tC3("adcs", 0b00000, _adcs, 3, (RR, oRR, SH), arit, t_arit3c),
17146 tCE("sbc", 0c00000, _sbc, 3, (RR, oRR, SH), arit, t_arit3),
17147 tC3("sbcs", 0d00000, _sbcs, 3, (RR, oRR, SH), arit, t_arit3),
17148 tCE("orr", 1800000, _orr, 3, (RR, oRR, SH), arit, t_arit3c),
17149 tC3("orrs", 1900000, _orrs, 3, (RR, oRR, SH), arit, t_arit3c),
17150 tCE("bic", 1c00000, _bic, 3, (RR, oRR, SH), arit, t_arit3),
17151 tC3("bics", 1d00000, _bics, 3, (RR, oRR, SH), arit, t_arit3),
17153 /* The p-variants of tst/cmp/cmn/teq (below) are the pre-V6 mechanism
17154 for setting PSR flag bits. They are obsolete in V6 and do not
17155 have Thumb equivalents. */
17156 tCE("tst", 1100000, _tst, 2, (RR, SH), cmp, t_mvn_tst),
17157 tC3w("tsts", 1100000, _tst, 2, (RR, SH), cmp, t_mvn_tst),
17158 CL("tstp", 110f000, 2, (RR, SH), cmp),
17159 tCE("cmp", 1500000, _cmp, 2, (RR, SH), cmp, t_mov_cmp),
17160 tC3w("cmps", 1500000, _cmp, 2, (RR, SH), cmp, t_mov_cmp),
17161 CL("cmpp", 150f000, 2, (RR, SH), cmp),
17162 tCE("cmn", 1700000, _cmn, 2, (RR, SH), cmp, t_mvn_tst),
17163 tC3w("cmns", 1700000, _cmn, 2, (RR, SH), cmp, t_mvn_tst),
17164 CL("cmnp", 170f000, 2, (RR, SH), cmp),
17166 tCE("mov", 1a00000, _mov, 2, (RR, SH), mov, t_mov_cmp),
17167 tC3("movs", 1b00000, _movs, 2, (RR, SH), mov, t_mov_cmp),
17168 tCE("mvn", 1e00000, _mvn, 2, (RR, SH), mov, t_mvn_tst),
17169 tC3("mvns", 1f00000, _mvns, 2, (RR, SH), mov, t_mvn_tst),
17171 tCE("ldr", 4100000, _ldr, 2, (RR, ADDRGLDR),ldst, t_ldst),
17172 tC3("ldrb", 4500000, _ldrb, 2, (RRnpc_npcsp, ADDRGLDR),ldst, t_ldst),
17173 tCE("str", 4000000, _str, _2, (MIX_ARM_THUMB_OPERANDS (OP_RR,
17175 OP_ADDRGLDR),ldst, t_ldst),
17176 tC3("strb", 4400000, _strb, 2, (RRnpc_npcsp, ADDRGLDR),ldst, t_ldst),
17178 tCE("stm", 8800000, _stmia, 2, (RRw, REGLST), ldmstm, t_ldmstm),
17179 tC3("stmia", 8800000, _stmia, 2, (RRw, REGLST), ldmstm, t_ldmstm),
17180 tC3("stmea", 8800000, _stmia, 2, (RRw, REGLST), ldmstm, t_ldmstm),
17181 tCE("ldm", 8900000, _ldmia, 2, (RRw, REGLST), ldmstm, t_ldmstm),
17182 tC3("ldmia", 8900000, _ldmia, 2, (RRw, REGLST), ldmstm, t_ldmstm),
17183 tC3("ldmfd", 8900000, _ldmia, 2, (RRw, REGLST), ldmstm, t_ldmstm),
17185 TCE("swi", f000000, df00, 1, (EXPi), swi, t_swi),
17186 TCE("svc", f000000, df00, 1, (EXPi), swi, t_swi),
17187 tCE("b", a000000, _b, 1, (EXPr), branch, t_branch),
17188 TCE("bl", b000000, f000f800, 1, (EXPr), bl, t_branch23),
17191 tCE("adr", 28f0000, _adr, 2, (RR, EXP), adr, t_adr),
17192 C3(adrl, 28f0000, 2, (RR, EXP), adrl),
17193 tCE("nop", 1a00000, _nop, 1, (oI255c), nop, t_nop),
17195 /* Thumb-compatibility pseudo ops. */
17196 tCE("lsl", 1a00000, _lsl, 3, (RR, oRR, SH), shift, t_shift),
17197 tC3("lsls", 1b00000, _lsls, 3, (RR, oRR, SH), shift, t_shift),
17198 tCE("lsr", 1a00020, _lsr, 3, (RR, oRR, SH), shift, t_shift),
17199 tC3("lsrs", 1b00020, _lsrs, 3, (RR, oRR, SH), shift, t_shift),
17200 tCE("asr", 1a00040, _asr, 3, (RR, oRR, SH), shift, t_shift),
17201 tC3("asrs", 1b00040, _asrs, 3, (RR, oRR, SH), shift, t_shift),
17202 tCE("ror", 1a00060, _ror, 3, (RR, oRR, SH), shift, t_shift),
17203 tC3("rors", 1b00060, _rors, 3, (RR, oRR, SH), shift, t_shift),
17204 tCE("neg", 2600000, _neg, 2, (RR, RR), rd_rn, t_neg),
17205 tC3("negs", 2700000, _negs, 2, (RR, RR), rd_rn, t_neg),
17206 tCE("push", 92d0000, _push, 1, (REGLST), push_pop, t_push_pop),
17207 tCE("pop", 8bd0000, _pop, 1, (REGLST), push_pop, t_push_pop),
17209 /* These may simplify to neg. */
17210 TCE("rsb", 0600000, ebc00000, 3, (RR, oRR, SH), arit, t_rsb),
17211 TC3("rsbs", 0700000, ebd00000, 3, (RR, oRR, SH), arit, t_rsb),
17213 #undef THUMB_VARIANT
17214 #define THUMB_VARIANT & arm_ext_v6
17216 TCE("cpy", 1a00000, 4600, 2, (RR, RR), rd_rm, t_cpy),
17218 /* V1 instructions with no Thumb analogue prior to V6T2. */
17219 #undef THUMB_VARIANT
17220 #define THUMB_VARIANT & arm_ext_v6t2
17222 TCE("teq", 1300000, ea900f00, 2, (RR, SH), cmp, t_mvn_tst),
17223 TC3w("teqs", 1300000, ea900f00, 2, (RR, SH), cmp, t_mvn_tst),
17224 CL("teqp", 130f000, 2, (RR, SH), cmp),
17226 TC3("ldrt", 4300000, f8500e00, 2, (RRnpc_npcsp, ADDR),ldstt, t_ldstt),
17227 TC3("ldrbt", 4700000, f8100e00, 2, (RRnpc_npcsp, ADDR),ldstt, t_ldstt),
17228 TC3("strt", 4200000, f8400e00, 2, (RR_npcsp, ADDR), ldstt, t_ldstt),
17229 TC3("strbt", 4600000, f8000e00, 2, (RRnpc_npcsp, ADDR),ldstt, t_ldstt),
17231 TC3("stmdb", 9000000, e9000000, 2, (RRw, REGLST), ldmstm, t_ldmstm),
17232 TC3("stmfd", 9000000, e9000000, 2, (RRw, REGLST), ldmstm, t_ldmstm),
17234 TC3("ldmdb", 9100000, e9100000, 2, (RRw, REGLST), ldmstm, t_ldmstm),
17235 TC3("ldmea", 9100000, e9100000, 2, (RRw, REGLST), ldmstm, t_ldmstm),
17237 /* V1 instructions with no Thumb analogue at all. */
17238 CE("rsc", 0e00000, 3, (RR, oRR, SH), arit),
17239 C3(rscs, 0f00000, 3, (RR, oRR, SH), arit),
17241 C3(stmib, 9800000, 2, (RRw, REGLST), ldmstm),
17242 C3(stmfa, 9800000, 2, (RRw, REGLST), ldmstm),
17243 C3(stmda, 8000000, 2, (RRw, REGLST), ldmstm),
17244 C3(stmed, 8000000, 2, (RRw, REGLST), ldmstm),
17245 C3(ldmib, 9900000, 2, (RRw, REGLST), ldmstm),
17246 C3(ldmed, 9900000, 2, (RRw, REGLST), ldmstm),
17247 C3(ldmda, 8100000, 2, (RRw, REGLST), ldmstm),
17248 C3(ldmfa, 8100000, 2, (RRw, REGLST), ldmstm),
17251 #define ARM_VARIANT & arm_ext_v2 /* ARM 2 - multiplies. */
17252 #undef THUMB_VARIANT
17253 #define THUMB_VARIANT & arm_ext_v4t
17255 tCE("mul", 0000090, _mul, 3, (RRnpc, RRnpc, oRR), mul, t_mul),
17256 tC3("muls", 0100090, _muls, 3, (RRnpc, RRnpc, oRR), mul, t_mul),
17258 #undef THUMB_VARIANT
17259 #define THUMB_VARIANT & arm_ext_v6t2
17261 TCE("mla", 0200090, fb000000, 4, (RRnpc, RRnpc, RRnpc, RRnpc), mlas, t_mla),
17262 C3(mlas, 0300090, 4, (RRnpc, RRnpc, RRnpc, RRnpc), mlas),
17264 /* Generic coprocessor instructions. */
17265 TCE("cdp", e000000, ee000000, 6, (RCP, I15b, RCN, RCN, RCN, oI7b), cdp, cdp),
17266 TCE("ldc", c100000, ec100000, 3, (RCP, RCN, ADDRGLDC), lstc, lstc),
17267 TC3("ldcl", c500000, ec500000, 3, (RCP, RCN, ADDRGLDC), lstc, lstc),
17268 TCE("stc", c000000, ec000000, 3, (RCP, RCN, ADDRGLDC), lstc, lstc),
17269 TC3("stcl", c400000, ec400000, 3, (RCP, RCN, ADDRGLDC), lstc, lstc),
17270 TCE("mcr", e000010, ee000010, 6, (RCP, I7b, RR, RCN, RCN, oI7b), co_reg, co_reg),
17271 TCE("mrc", e100010, ee100010, 6, (RCP, I7b, APSR_RR, RCN, RCN, oI7b), co_reg, co_reg),
17274 #define ARM_VARIANT & arm_ext_v2s /* ARM 3 - swp instructions. */
17276 CE("swp", 1000090, 3, (RRnpc, RRnpc, RRnpcb), rd_rm_rn),
17277 C3(swpb, 1400090, 3, (RRnpc, RRnpc, RRnpcb), rd_rm_rn),
17280 #define ARM_VARIANT & arm_ext_v3 /* ARM 6 Status register instructions. */
17281 #undef THUMB_VARIANT
17282 #define THUMB_VARIANT & arm_ext_msr
17284 TCE("mrs", 1000000, f3e08000, 2, (RRnpc, rPSR), mrs, t_mrs),
17285 TCE("msr", 120f000, f3808000, 2, (wPSR, RR_EXi), msr, t_msr),
17288 #define ARM_VARIANT & arm_ext_v3m /* ARM 7M long multiplies. */
17289 #undef THUMB_VARIANT
17290 #define THUMB_VARIANT & arm_ext_v6t2
17292 TCE("smull", 0c00090, fb800000, 4, (RRnpc, RRnpc, RRnpc, RRnpc), mull, t_mull),
17293 CM("smull","s", 0d00090, 4, (RRnpc, RRnpc, RRnpc, RRnpc), mull),
17294 TCE("umull", 0800090, fba00000, 4, (RRnpc, RRnpc, RRnpc, RRnpc), mull, t_mull),
17295 CM("umull","s", 0900090, 4, (RRnpc, RRnpc, RRnpc, RRnpc), mull),
17296 TCE("smlal", 0e00090, fbc00000, 4, (RRnpc, RRnpc, RRnpc, RRnpc), mull, t_mull),
17297 CM("smlal","s", 0f00090, 4, (RRnpc, RRnpc, RRnpc, RRnpc), mull),
17298 TCE("umlal", 0a00090, fbe00000, 4, (RRnpc, RRnpc, RRnpc, RRnpc), mull, t_mull),
17299 CM("umlal","s", 0b00090, 4, (RRnpc, RRnpc, RRnpc, RRnpc), mull),
17302 #define ARM_VARIANT & arm_ext_v4 /* ARM Architecture 4. */
17303 #undef THUMB_VARIANT
17304 #define THUMB_VARIANT & arm_ext_v4t
17306 tC3("ldrh", 01000b0, _ldrh, 2, (RRnpc_npcsp, ADDRGLDRS), ldstv4, t_ldst),
17307 tC3("strh", 00000b0, _strh, 2, (RRnpc_npcsp, ADDRGLDRS), ldstv4, t_ldst),
17308 tC3("ldrsh", 01000f0, _ldrsh, 2, (RRnpc_npcsp, ADDRGLDRS), ldstv4, t_ldst),
17309 tC3("ldrsb", 01000d0, _ldrsb, 2, (RRnpc_npcsp, ADDRGLDRS), ldstv4, t_ldst),
17310 tCM("ld","sh", 01000f0, _ldrsh, 2, (RRnpc_npcsp, ADDRGLDRS), ldstv4, t_ldst),
17311 tCM("ld","sb", 01000d0, _ldrsb, 2, (RRnpc_npcsp, ADDRGLDRS), ldstv4, t_ldst),
17314 #define ARM_VARIANT & arm_ext_v4t_5
17316 /* ARM Architecture 4T. */
17317 /* Note: bx (and blx) are required on V5, even if the processor does
17318 not support Thumb. */
17319 TCE("bx", 12fff10, 4700, 1, (RR), bx, t_bx),
17322 #define ARM_VARIANT & arm_ext_v5 /* ARM Architecture 5T. */
17323 #undef THUMB_VARIANT
17324 #define THUMB_VARIANT & arm_ext_v5t
17326 /* Note: blx has 2 variants; the .value coded here is for
17327 BLX(2). Only this variant has conditional execution. */
17328 TCE("blx", 12fff30, 4780, 1, (RR_EXr), blx, t_blx),
17329 TUE("bkpt", 1200070, be00, 1, (oIffffb), bkpt, t_bkpt),
17331 #undef THUMB_VARIANT
17332 #define THUMB_VARIANT & arm_ext_v6t2
17334 TCE("clz", 16f0f10, fab0f080, 2, (RRnpc, RRnpc), rd_rm, t_clz),
17335 TUF("ldc2", c100000, fc100000, 3, (RCP, RCN, ADDRGLDC), lstc, lstc),
17336 TUF("ldc2l", c500000, fc500000, 3, (RCP, RCN, ADDRGLDC), lstc, lstc),
17337 TUF("stc2", c000000, fc000000, 3, (RCP, RCN, ADDRGLDC), lstc, lstc),
17338 TUF("stc2l", c400000, fc400000, 3, (RCP, RCN, ADDRGLDC), lstc, lstc),
17339 TUF("cdp2", e000000, fe000000, 6, (RCP, I15b, RCN, RCN, RCN, oI7b), cdp, cdp),
17340 TUF("mcr2", e000010, fe000010, 6, (RCP, I7b, RR, RCN, RCN, oI7b), co_reg, co_reg),
17341 TUF("mrc2", e100010, fe100010, 6, (RCP, I7b, RR, RCN, RCN, oI7b), co_reg, co_reg),
17344 #define ARM_VARIANT & arm_ext_v5exp /* ARM Architecture 5TExP. */
17345 #undef THUMB_VARIANT
17346 #define THUMB_VARIANT &arm_ext_v5exp
17348 TCE("smlabb", 1000080, fb100000, 4, (RRnpc, RRnpc, RRnpc, RRnpc), smla, t_mla),
17349 TCE("smlatb", 10000a0, fb100020, 4, (RRnpc, RRnpc, RRnpc, RRnpc), smla, t_mla),
17350 TCE("smlabt", 10000c0, fb100010, 4, (RRnpc, RRnpc, RRnpc, RRnpc), smla, t_mla),
17351 TCE("smlatt", 10000e0, fb100030, 4, (RRnpc, RRnpc, RRnpc, RRnpc), smla, t_mla),
17353 TCE("smlawb", 1200080, fb300000, 4, (RRnpc, RRnpc, RRnpc, RRnpc), smla, t_mla),
17354 TCE("smlawt", 12000c0, fb300010, 4, (RRnpc, RRnpc, RRnpc, RRnpc), smla, t_mla),
17356 TCE("smlalbb", 1400080, fbc00080, 4, (RRnpc, RRnpc, RRnpc, RRnpc), smlal, t_mlal),
17357 TCE("smlaltb", 14000a0, fbc000a0, 4, (RRnpc, RRnpc, RRnpc, RRnpc), smlal, t_mlal),
17358 TCE("smlalbt", 14000c0, fbc00090, 4, (RRnpc, RRnpc, RRnpc, RRnpc), smlal, t_mlal),
17359 TCE("smlaltt", 14000e0, fbc000b0, 4, (RRnpc, RRnpc, RRnpc, RRnpc), smlal, t_mlal),
17361 TCE("smulbb", 1600080, fb10f000, 3, (RRnpc, RRnpc, RRnpc), smul, t_simd),
17362 TCE("smultb", 16000a0, fb10f020, 3, (RRnpc, RRnpc, RRnpc), smul, t_simd),
17363 TCE("smulbt", 16000c0, fb10f010, 3, (RRnpc, RRnpc, RRnpc), smul, t_simd),
17364 TCE("smultt", 16000e0, fb10f030, 3, (RRnpc, RRnpc, RRnpc), smul, t_simd),
17366 TCE("smulwb", 12000a0, fb30f000, 3, (RRnpc, RRnpc, RRnpc), smul, t_simd),
17367 TCE("smulwt", 12000e0, fb30f010, 3, (RRnpc, RRnpc, RRnpc), smul, t_simd),
17369 TCE("qadd", 1000050, fa80f080, 3, (RRnpc, RRnpc, RRnpc), rd_rm_rn, t_simd2),
17370 TCE("qdadd", 1400050, fa80f090, 3, (RRnpc, RRnpc, RRnpc), rd_rm_rn, t_simd2),
17371 TCE("qsub", 1200050, fa80f0a0, 3, (RRnpc, RRnpc, RRnpc), rd_rm_rn, t_simd2),
17372 TCE("qdsub", 1600050, fa80f0b0, 3, (RRnpc, RRnpc, RRnpc), rd_rm_rn, t_simd2),
17375 #define ARM_VARIANT & arm_ext_v5e /* ARM Architecture 5TE. */
17376 #undef THUMB_VARIANT
17377 #define THUMB_VARIANT &arm_ext_v6t2
17379 TUF("pld", 450f000, f810f000, 1, (ADDR), pld, t_pld),
17380 TC3("ldrd", 00000d0, e8500000, 3, (RRnpc_npcsp, oRRnpc_npcsp, ADDRGLDRS),
17382 TC3("strd", 00000f0, e8400000, 3, (RRnpc_npcsp, oRRnpc_npcsp,
17383 ADDRGLDRS), ldrd, t_ldstd),
17385 TCE("mcrr", c400000, ec400000, 5, (RCP, I15b, RRnpc, RRnpc, RCN), co_reg2c, co_reg2c),
17386 TCE("mrrc", c500000, ec500000, 5, (RCP, I15b, RRnpc, RRnpc, RCN), co_reg2c, co_reg2c),
17389 #define ARM_VARIANT & arm_ext_v5j /* ARM Architecture 5TEJ. */
17391 TCE("bxj", 12fff20, f3c08f00, 1, (RR), bxj, t_bxj),
17394 #define ARM_VARIANT & arm_ext_v6 /* ARM V6. */
17395 #undef THUMB_VARIANT
17396 #define THUMB_VARIANT & arm_ext_v6
17398 TUF("cpsie", 1080000, b660, 2, (CPSF, oI31b), cpsi, t_cpsi),
17399 TUF("cpsid", 10c0000, b670, 2, (CPSF, oI31b), cpsi, t_cpsi),
17400 tCE("rev", 6bf0f30, _rev, 2, (RRnpc, RRnpc), rd_rm, t_rev),
17401 tCE("rev16", 6bf0fb0, _rev16, 2, (RRnpc, RRnpc), rd_rm, t_rev),
17402 tCE("revsh", 6ff0fb0, _revsh, 2, (RRnpc, RRnpc), rd_rm, t_rev),
17403 tCE("sxth", 6bf0070, _sxth, 3, (RRnpc, RRnpc, oROR), sxth, t_sxth),
17404 tCE("uxth", 6ff0070, _uxth, 3, (RRnpc, RRnpc, oROR), sxth, t_sxth),
17405 tCE("sxtb", 6af0070, _sxtb, 3, (RRnpc, RRnpc, oROR), sxth, t_sxth),
17406 tCE("uxtb", 6ef0070, _uxtb, 3, (RRnpc, RRnpc, oROR), sxth, t_sxth),
17407 TUF("setend", 1010000, b650, 1, (ENDI), setend, t_setend),
17409 #undef THUMB_VARIANT
17410 #define THUMB_VARIANT & arm_ext_v6t2
17412 TCE("ldrex", 1900f9f, e8500f00, 2, (RRnpc_npcsp, ADDR), ldrex, t_ldrex),
17413 TCE("strex", 1800f90, e8400000, 3, (RRnpc_npcsp, RRnpc_npcsp, ADDR),
17415 TUF("mcrr2", c400000, fc400000, 5, (RCP, I15b, RRnpc, RRnpc, RCN), co_reg2c, co_reg2c),
17416 TUF("mrrc2", c500000, fc500000, 5, (RCP, I15b, RRnpc, RRnpc, RCN), co_reg2c, co_reg2c),
17418 TCE("ssat", 6a00010, f3000000, 4, (RRnpc, I32, RRnpc, oSHllar),ssat, t_ssat),
17419 TCE("usat", 6e00010, f3800000, 4, (RRnpc, I31, RRnpc, oSHllar),usat, t_usat),
17421 /* ARM V6 not included in V7M. */
17422 #undef THUMB_VARIANT
17423 #define THUMB_VARIANT & arm_ext_v6_notm
17424 TUF("rfeia", 8900a00, e990c000, 1, (RRw), rfe, rfe),
17425 UF(rfeib, 9900a00, 1, (RRw), rfe),
17426 UF(rfeda, 8100a00, 1, (RRw), rfe),
17427 TUF("rfedb", 9100a00, e810c000, 1, (RRw), rfe, rfe),
17428 TUF("rfefd", 8900a00, e990c000, 1, (RRw), rfe, rfe),
17429 UF(rfefa, 9900a00, 1, (RRw), rfe),
17430 UF(rfeea, 8100a00, 1, (RRw), rfe),
17431 TUF("rfeed", 9100a00, e810c000, 1, (RRw), rfe, rfe),
17432 TUF("srsia", 8c00500, e980c000, 2, (oRRw, I31w), srs, srs),
17433 UF(srsib, 9c00500, 2, (oRRw, I31w), srs),
17434 UF(srsda, 8400500, 2, (oRRw, I31w), srs),
17435 TUF("srsdb", 9400500, e800c000, 2, (oRRw, I31w), srs, srs),
17437 /* ARM V6 not included in V7M (eg. integer SIMD). */
17438 #undef THUMB_VARIANT
17439 #define THUMB_VARIANT & arm_ext_v6_dsp
17440 TUF("cps", 1020000, f3af8100, 1, (I31b), imm0, t_cps),
17441 TCE("pkhbt", 6800010, eac00000, 4, (RRnpc, RRnpc, RRnpc, oSHll), pkhbt, t_pkhbt),
17442 TCE("pkhtb", 6800050, eac00020, 4, (RRnpc, RRnpc, RRnpc, oSHar), pkhtb, t_pkhtb),
17443 TCE("qadd16", 6200f10, fa90f010, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17444 TCE("qadd8", 6200f90, fa80f010, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17445 TCE("qasx", 6200f30, faa0f010, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17446 /* Old name for QASX. */
17447 TCE("qaddsubx", 6200f30, faa0f010, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17448 TCE("qsax", 6200f50, fae0f010, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17449 /* Old name for QSAX. */
17450 TCE("qsubaddx", 6200f50, fae0f010, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17451 TCE("qsub16", 6200f70, fad0f010, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17452 TCE("qsub8", 6200ff0, fac0f010, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17453 TCE("sadd16", 6100f10, fa90f000, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17454 TCE("sadd8", 6100f90, fa80f000, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17455 TCE("sasx", 6100f30, faa0f000, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17456 /* Old name for SASX. */
17457 TCE("saddsubx", 6100f30, faa0f000, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17458 TCE("shadd16", 6300f10, fa90f020, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17459 TCE("shadd8", 6300f90, fa80f020, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17460 TCE("shasx", 6300f30, faa0f020, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17461 /* Old name for SHASX. */
17462 TCE("shaddsubx", 6300f30, faa0f020, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17463 TCE("shsax", 6300f50, fae0f020, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17464 /* Old name for SHSAX. */
17465 TCE("shsubaddx", 6300f50, fae0f020, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17466 TCE("shsub16", 6300f70, fad0f020, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17467 TCE("shsub8", 6300ff0, fac0f020, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17468 TCE("ssax", 6100f50, fae0f000, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17469 /* Old name for SSAX. */
17470 TCE("ssubaddx", 6100f50, fae0f000, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17471 TCE("ssub16", 6100f70, fad0f000, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17472 TCE("ssub8", 6100ff0, fac0f000, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17473 TCE("uadd16", 6500f10, fa90f040, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17474 TCE("uadd8", 6500f90, fa80f040, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17475 TCE("uasx", 6500f30, faa0f040, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17476 /* Old name for UASX. */
17477 TCE("uaddsubx", 6500f30, faa0f040, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17478 TCE("uhadd16", 6700f10, fa90f060, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17479 TCE("uhadd8", 6700f90, fa80f060, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17480 TCE("uhasx", 6700f30, faa0f060, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17481 /* Old name for UHASX. */
17482 TCE("uhaddsubx", 6700f30, faa0f060, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17483 TCE("uhsax", 6700f50, fae0f060, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17484 /* Old name for UHSAX. */
17485 TCE("uhsubaddx", 6700f50, fae0f060, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17486 TCE("uhsub16", 6700f70, fad0f060, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17487 TCE("uhsub8", 6700ff0, fac0f060, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17488 TCE("uqadd16", 6600f10, fa90f050, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17489 TCE("uqadd8", 6600f90, fa80f050, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17490 TCE("uqasx", 6600f30, faa0f050, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17491 /* Old name for UQASX. */
17492 TCE("uqaddsubx", 6600f30, faa0f050, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17493 TCE("uqsax", 6600f50, fae0f050, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17494 /* Old name for UQSAX. */
17495 TCE("uqsubaddx", 6600f50, fae0f050, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17496 TCE("uqsub16", 6600f70, fad0f050, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17497 TCE("uqsub8", 6600ff0, fac0f050, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17498 TCE("usub16", 6500f70, fad0f040, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17499 TCE("usax", 6500f50, fae0f040, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17500 /* Old name for USAX. */
17501 TCE("usubaddx", 6500f50, fae0f040, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17502 TCE("usub8", 6500ff0, fac0f040, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17503 TCE("sxtah", 6b00070, fa00f080, 4, (RRnpc, RRnpc, RRnpc, oROR), sxtah, t_sxtah),
17504 TCE("sxtab16", 6800070, fa20f080, 4, (RRnpc, RRnpc, RRnpc, oROR), sxtah, t_sxtah),
17505 TCE("sxtab", 6a00070, fa40f080, 4, (RRnpc, RRnpc, RRnpc, oROR), sxtah, t_sxtah),
17506 TCE("sxtb16", 68f0070, fa2ff080, 3, (RRnpc, RRnpc, oROR), sxth, t_sxth),
17507 TCE("uxtah", 6f00070, fa10f080, 4, (RRnpc, RRnpc, RRnpc, oROR), sxtah, t_sxtah),
17508 TCE("uxtab16", 6c00070, fa30f080, 4, (RRnpc, RRnpc, RRnpc, oROR), sxtah, t_sxtah),
17509 TCE("uxtab", 6e00070, fa50f080, 4, (RRnpc, RRnpc, RRnpc, oROR), sxtah, t_sxtah),
17510 TCE("uxtb16", 6cf0070, fa3ff080, 3, (RRnpc, RRnpc, oROR), sxth, t_sxth),
17511 TCE("sel", 6800fb0, faa0f080, 3, (RRnpc, RRnpc, RRnpc), rd_rn_rm, t_simd),
17512 TCE("smlad", 7000010, fb200000, 4, (RRnpc, RRnpc, RRnpc, RRnpc),smla, t_mla),
17513 TCE("smladx", 7000030, fb200010, 4, (RRnpc, RRnpc, RRnpc, RRnpc),smla, t_mla),
17514 TCE("smlald", 7400010, fbc000c0, 4, (RRnpc, RRnpc, RRnpc, RRnpc),smlal,t_mlal),
17515 TCE("smlaldx", 7400030, fbc000d0, 4, (RRnpc, RRnpc, RRnpc, RRnpc),smlal,t_mlal),
17516 TCE("smlsd", 7000050, fb400000, 4, (RRnpc, RRnpc, RRnpc, RRnpc),smla, t_mla),
17517 TCE("smlsdx", 7000070, fb400010, 4, (RRnpc, RRnpc, RRnpc, RRnpc),smla, t_mla),
17518 TCE("smlsld", 7400050, fbd000c0, 4, (RRnpc, RRnpc, RRnpc, RRnpc),smlal,t_mlal),
17519 TCE("smlsldx", 7400070, fbd000d0, 4, (RRnpc, RRnpc, RRnpc, RRnpc),smlal,t_mlal),
17520 TCE("smmla", 7500010, fb500000, 4, (RRnpc, RRnpc, RRnpc, RRnpc),smla, t_mla),
17521 TCE("smmlar", 7500030, fb500010, 4, (RRnpc, RRnpc, RRnpc, RRnpc),smla, t_mla),
17522 TCE("smmls", 75000d0, fb600000, 4, (RRnpc, RRnpc, RRnpc, RRnpc),smla, t_mla),
17523 TCE("smmlsr", 75000f0, fb600010, 4, (RRnpc, RRnpc, RRnpc, RRnpc),smla, t_mla),
17524 TCE("smmul", 750f010, fb50f000, 3, (RRnpc, RRnpc, RRnpc), smul, t_simd),
17525 TCE("smmulr", 750f030, fb50f010, 3, (RRnpc, RRnpc, RRnpc), smul, t_simd),
17526 TCE("smuad", 700f010, fb20f000, 3, (RRnpc, RRnpc, RRnpc), smul, t_simd),
17527 TCE("smuadx", 700f030, fb20f010, 3, (RRnpc, RRnpc, RRnpc), smul, t_simd),
17528 TCE("smusd", 700f050, fb40f000, 3, (RRnpc, RRnpc, RRnpc), smul, t_simd),
17529 TCE("smusdx", 700f070, fb40f010, 3, (RRnpc, RRnpc, RRnpc), smul, t_simd),
17530 TCE("ssat16", 6a00f30, f3200000, 3, (RRnpc, I16, RRnpc), ssat16, t_ssat16),
17531 TCE("umaal", 0400090, fbe00060, 4, (RRnpc, RRnpc, RRnpc, RRnpc),smlal, t_mlal),
17532 TCE("usad8", 780f010, fb70f000, 3, (RRnpc, RRnpc, RRnpc), smul, t_simd),
17533 TCE("usada8", 7800010, fb700000, 4, (RRnpc, RRnpc, RRnpc, RRnpc),smla, t_mla),
17534 TCE("usat16", 6e00f30, f3a00000, 3, (RRnpc, I15, RRnpc), usat16, t_usat16),
17537 #define ARM_VARIANT & arm_ext_v6k
17538 #undef THUMB_VARIANT
17539 #define THUMB_VARIANT & arm_ext_v6k
17541 tCE("yield", 320f001, _yield, 0, (), noargs, t_hint),
17542 tCE("wfe", 320f002, _wfe, 0, (), noargs, t_hint),
17543 tCE("wfi", 320f003, _wfi, 0, (), noargs, t_hint),
17544 tCE("sev", 320f004, _sev, 0, (), noargs, t_hint),
17546 #undef THUMB_VARIANT
17547 #define THUMB_VARIANT & arm_ext_v6_notm
17548 TCE("ldrexd", 1b00f9f, e8d0007f, 3, (RRnpc_npcsp, oRRnpc_npcsp, RRnpcb),
17550 TCE("strexd", 1a00f90, e8c00070, 4, (RRnpc_npcsp, RRnpc_npcsp, oRRnpc_npcsp,
17551 RRnpcb), strexd, t_strexd),
17553 #undef THUMB_VARIANT
17554 #define THUMB_VARIANT & arm_ext_v6t2
17555 TCE("ldrexb", 1d00f9f, e8d00f4f, 2, (RRnpc_npcsp,RRnpcb),
17557 TCE("ldrexh", 1f00f9f, e8d00f5f, 2, (RRnpc_npcsp, RRnpcb),
17559 TCE("strexb", 1c00f90, e8c00f40, 3, (RRnpc_npcsp, RRnpc_npcsp, ADDR),
17561 TCE("strexh", 1e00f90, e8c00f50, 3, (RRnpc_npcsp, RRnpc_npcsp, ADDR),
17563 TUF("clrex", 57ff01f, f3bf8f2f, 0, (), noargs, noargs),
17566 #define ARM_VARIANT & arm_ext_sec
17567 #undef THUMB_VARIANT
17568 #define THUMB_VARIANT & arm_ext_sec
17570 TCE("smc", 1600070, f7f08000, 1, (EXPi), smc, t_smc),
17573 #define ARM_VARIANT & arm_ext_virt
17574 #undef THUMB_VARIANT
17575 #define THUMB_VARIANT & arm_ext_virt
17577 TCE("hvc", 1400070, f7e08000, 1, (EXPi), hvc, t_hvc),
17578 TCE("eret", 160006e, f3de8f00, 0, (), noargs, noargs),
17581 #define ARM_VARIANT & arm_ext_v6t2
17582 #undef THUMB_VARIANT
17583 #define THUMB_VARIANT & arm_ext_v6t2
17585 TCE("bfc", 7c0001f, f36f0000, 3, (RRnpc, I31, I32), bfc, t_bfc),
17586 TCE("bfi", 7c00010, f3600000, 4, (RRnpc, RRnpc_I0, I31, I32), bfi, t_bfi),
17587 TCE("sbfx", 7a00050, f3400000, 4, (RR, RR, I31, I32), bfx, t_bfx),
17588 TCE("ubfx", 7e00050, f3c00000, 4, (RR, RR, I31, I32), bfx, t_bfx),
17590 TCE("mls", 0600090, fb000010, 4, (RRnpc, RRnpc, RRnpc, RRnpc), mlas, t_mla),
17591 TCE("movw", 3000000, f2400000, 2, (RRnpc, HALF), mov16, t_mov16),
17592 TCE("movt", 3400000, f2c00000, 2, (RRnpc, HALF), mov16, t_mov16),
17593 TCE("rbit", 6ff0f30, fa90f0a0, 2, (RR, RR), rd_rm, t_rbit),
17595 TC3("ldrht", 03000b0, f8300e00, 2, (RRnpc_npcsp, ADDR), ldsttv4, t_ldstt),
17596 TC3("ldrsht", 03000f0, f9300e00, 2, (RRnpc_npcsp, ADDR), ldsttv4, t_ldstt),
17597 TC3("ldrsbt", 03000d0, f9100e00, 2, (RRnpc_npcsp, ADDR), ldsttv4, t_ldstt),
17598 TC3("strht", 02000b0, f8200e00, 2, (RRnpc_npcsp, ADDR), ldsttv4, t_ldstt),
17600 /* Thumb-only instructions. */
17602 #define ARM_VARIANT NULL
17603 TUE("cbnz", 0, b900, 2, (RR, EXP), 0, t_cbz),
17604 TUE("cbz", 0, b100, 2, (RR, EXP), 0, t_cbz),
17606 /* ARM does not really have an IT instruction, so always allow it.
17607 The opcode is copied from Thumb in order to allow warnings in
17608 -mimplicit-it=[never | arm] modes. */
17610 #define ARM_VARIANT & arm_ext_v1
17612 TUE("it", bf08, bf08, 1, (COND), it, t_it),
17613 TUE("itt", bf0c, bf0c, 1, (COND), it, t_it),
17614 TUE("ite", bf04, bf04, 1, (COND), it, t_it),
17615 TUE("ittt", bf0e, bf0e, 1, (COND), it, t_it),
17616 TUE("itet", bf06, bf06, 1, (COND), it, t_it),
17617 TUE("itte", bf0a, bf0a, 1, (COND), it, t_it),
17618 TUE("itee", bf02, bf02, 1, (COND), it, t_it),
17619 TUE("itttt", bf0f, bf0f, 1, (COND), it, t_it),
17620 TUE("itett", bf07, bf07, 1, (COND), it, t_it),
17621 TUE("ittet", bf0b, bf0b, 1, (COND), it, t_it),
17622 TUE("iteet", bf03, bf03, 1, (COND), it, t_it),
17623 TUE("ittte", bf0d, bf0d, 1, (COND), it, t_it),
17624 TUE("itete", bf05, bf05, 1, (COND), it, t_it),
17625 TUE("ittee", bf09, bf09, 1, (COND), it, t_it),
17626 TUE("iteee", bf01, bf01, 1, (COND), it, t_it),
17627 /* ARM/Thumb-2 instructions with no Thumb-1 equivalent. */
17628 TC3("rrx", 01a00060, ea4f0030, 2, (RR, RR), rd_rm, t_rrx),
17629 TC3("rrxs", 01b00060, ea5f0030, 2, (RR, RR), rd_rm, t_rrx),
17631 /* Thumb2 only instructions. */
17633 #define ARM_VARIANT NULL
17635 TCE("addw", 0, f2000000, 3, (RR, RR, EXPi), 0, t_add_sub_w),
17636 TCE("subw", 0, f2a00000, 3, (RR, RR, EXPi), 0, t_add_sub_w),
17637 TCE("orn", 0, ea600000, 3, (RR, oRR, SH), 0, t_orn),
17638 TCE("orns", 0, ea700000, 3, (RR, oRR, SH), 0, t_orn),
17639 TCE("tbb", 0, e8d0f000, 1, (TB), 0, t_tb),
17640 TCE("tbh", 0, e8d0f010, 1, (TB), 0, t_tb),
17642 /* Hardware division instructions. */
17644 #define ARM_VARIANT & arm_ext_adiv
17645 #undef THUMB_VARIANT
17646 #define THUMB_VARIANT & arm_ext_div
17648 TCE("sdiv", 710f010, fb90f0f0, 3, (RR, oRR, RR), div, t_div),
17649 TCE("udiv", 730f010, fbb0f0f0, 3, (RR, oRR, RR), div, t_div),
17651 /* ARM V6M/V7 instructions. */
17653 #define ARM_VARIANT & arm_ext_barrier
17654 #undef THUMB_VARIANT
17655 #define THUMB_VARIANT & arm_ext_barrier
17657 TUF("dmb", 57ff050, f3bf8f50, 1, (oBARRIER_I15), barrier, t_barrier),
17658 TUF("dsb", 57ff040, f3bf8f40, 1, (oBARRIER_I15), barrier, t_barrier),
17659 TUF("isb", 57ff060, f3bf8f60, 1, (oBARRIER_I15), barrier, t_barrier),
17661 /* ARM V7 instructions. */
17663 #define ARM_VARIANT & arm_ext_v7
17664 #undef THUMB_VARIANT
17665 #define THUMB_VARIANT & arm_ext_v7
17667 TUF("pli", 450f000, f910f000, 1, (ADDR), pli, t_pld),
17668 TCE("dbg", 320f0f0, f3af80f0, 1, (I15), dbg, t_dbg),
17671 #define ARM_VARIANT & arm_ext_mp
17672 #undef THUMB_VARIANT
17673 #define THUMB_VARIANT & arm_ext_mp
17675 TUF("pldw", 410f000, f830f000, 1, (ADDR), pld, t_pld),
17678 #define ARM_VARIANT & fpu_fpa_ext_v1 /* Core FPA instruction set (V1). */
17680 cCE("wfs", e200110, 1, (RR), rd),
17681 cCE("rfs", e300110, 1, (RR), rd),
17682 cCE("wfc", e400110, 1, (RR), rd),
17683 cCE("rfc", e500110, 1, (RR), rd),
17685 cCL("ldfs", c100100, 2, (RF, ADDRGLDC), rd_cpaddr),
17686 cCL("ldfd", c108100, 2, (RF, ADDRGLDC), rd_cpaddr),
17687 cCL("ldfe", c500100, 2, (RF, ADDRGLDC), rd_cpaddr),
17688 cCL("ldfp", c508100, 2, (RF, ADDRGLDC), rd_cpaddr),
17690 cCL("stfs", c000100, 2, (RF, ADDRGLDC), rd_cpaddr),
17691 cCL("stfd", c008100, 2, (RF, ADDRGLDC), rd_cpaddr),
17692 cCL("stfe", c400100, 2, (RF, ADDRGLDC), rd_cpaddr),
17693 cCL("stfp", c408100, 2, (RF, ADDRGLDC), rd_cpaddr),
17695 cCL("mvfs", e008100, 2, (RF, RF_IF), rd_rm),
17696 cCL("mvfsp", e008120, 2, (RF, RF_IF), rd_rm),
17697 cCL("mvfsm", e008140, 2, (RF, RF_IF), rd_rm),
17698 cCL("mvfsz", e008160, 2, (RF, RF_IF), rd_rm),
17699 cCL("mvfd", e008180, 2, (RF, RF_IF), rd_rm),
17700 cCL("mvfdp", e0081a0, 2, (RF, RF_IF), rd_rm),
17701 cCL("mvfdm", e0081c0, 2, (RF, RF_IF), rd_rm),
17702 cCL("mvfdz", e0081e0, 2, (RF, RF_IF), rd_rm),
17703 cCL("mvfe", e088100, 2, (RF, RF_IF), rd_rm),
17704 cCL("mvfep", e088120, 2, (RF, RF_IF), rd_rm),
17705 cCL("mvfem", e088140, 2, (RF, RF_IF), rd_rm),
17706 cCL("mvfez", e088160, 2, (RF, RF_IF), rd_rm),
17708 cCL("mnfs", e108100, 2, (RF, RF_IF), rd_rm),
17709 cCL("mnfsp", e108120, 2, (RF, RF_IF), rd_rm),
17710 cCL("mnfsm", e108140, 2, (RF, RF_IF), rd_rm),
17711 cCL("mnfsz", e108160, 2, (RF, RF_IF), rd_rm),
17712 cCL("mnfd", e108180, 2, (RF, RF_IF), rd_rm),
17713 cCL("mnfdp", e1081a0, 2, (RF, RF_IF), rd_rm),
17714 cCL("mnfdm", e1081c0, 2, (RF, RF_IF), rd_rm),
17715 cCL("mnfdz", e1081e0, 2, (RF, RF_IF), rd_rm),
17716 cCL("mnfe", e188100, 2, (RF, RF_IF), rd_rm),
17717 cCL("mnfep", e188120, 2, (RF, RF_IF), rd_rm),
17718 cCL("mnfem", e188140, 2, (RF, RF_IF), rd_rm),
17719 cCL("mnfez", e188160, 2, (RF, RF_IF), rd_rm),
17721 cCL("abss", e208100, 2, (RF, RF_IF), rd_rm),
17722 cCL("abssp", e208120, 2, (RF, RF_IF), rd_rm),
17723 cCL("abssm", e208140, 2, (RF, RF_IF), rd_rm),
17724 cCL("abssz", e208160, 2, (RF, RF_IF), rd_rm),
17725 cCL("absd", e208180, 2, (RF, RF_IF), rd_rm),
17726 cCL("absdp", e2081a0, 2, (RF, RF_IF), rd_rm),
17727 cCL("absdm", e2081c0, 2, (RF, RF_IF), rd_rm),
17728 cCL("absdz", e2081e0, 2, (RF, RF_IF), rd_rm),
17729 cCL("abse", e288100, 2, (RF, RF_IF), rd_rm),
17730 cCL("absep", e288120, 2, (RF, RF_IF), rd_rm),
17731 cCL("absem", e288140, 2, (RF, RF_IF), rd_rm),
17732 cCL("absez", e288160, 2, (RF, RF_IF), rd_rm),
17734 cCL("rnds", e308100, 2, (RF, RF_IF), rd_rm),
17735 cCL("rndsp", e308120, 2, (RF, RF_IF), rd_rm),
17736 cCL("rndsm", e308140, 2, (RF, RF_IF), rd_rm),
17737 cCL("rndsz", e308160, 2, (RF, RF_IF), rd_rm),
17738 cCL("rndd", e308180, 2, (RF, RF_IF), rd_rm),
17739 cCL("rnddp", e3081a0, 2, (RF, RF_IF), rd_rm),
17740 cCL("rnddm", e3081c0, 2, (RF, RF_IF), rd_rm),
17741 cCL("rnddz", e3081e0, 2, (RF, RF_IF), rd_rm),
17742 cCL("rnde", e388100, 2, (RF, RF_IF), rd_rm),
17743 cCL("rndep", e388120, 2, (RF, RF_IF), rd_rm),
17744 cCL("rndem", e388140, 2, (RF, RF_IF), rd_rm),
17745 cCL("rndez", e388160, 2, (RF, RF_IF), rd_rm),
17747 cCL("sqts", e408100, 2, (RF, RF_IF), rd_rm),
17748 cCL("sqtsp", e408120, 2, (RF, RF_IF), rd_rm),
17749 cCL("sqtsm", e408140, 2, (RF, RF_IF), rd_rm),
17750 cCL("sqtsz", e408160, 2, (RF, RF_IF), rd_rm),
17751 cCL("sqtd", e408180, 2, (RF, RF_IF), rd_rm),
17752 cCL("sqtdp", e4081a0, 2, (RF, RF_IF), rd_rm),
17753 cCL("sqtdm", e4081c0, 2, (RF, RF_IF), rd_rm),
17754 cCL("sqtdz", e4081e0, 2, (RF, RF_IF), rd_rm),
17755 cCL("sqte", e488100, 2, (RF, RF_IF), rd_rm),
17756 cCL("sqtep", e488120, 2, (RF, RF_IF), rd_rm),
17757 cCL("sqtem", e488140, 2, (RF, RF_IF), rd_rm),
17758 cCL("sqtez", e488160, 2, (RF, RF_IF), rd_rm),
17760 cCL("logs", e508100, 2, (RF, RF_IF), rd_rm),
17761 cCL("logsp", e508120, 2, (RF, RF_IF), rd_rm),
17762 cCL("logsm", e508140, 2, (RF, RF_IF), rd_rm),
17763 cCL("logsz", e508160, 2, (RF, RF_IF), rd_rm),
17764 cCL("logd", e508180, 2, (RF, RF_IF), rd_rm),
17765 cCL("logdp", e5081a0, 2, (RF, RF_IF), rd_rm),
17766 cCL("logdm", e5081c0, 2, (RF, RF_IF), rd_rm),
17767 cCL("logdz", e5081e0, 2, (RF, RF_IF), rd_rm),
17768 cCL("loge", e588100, 2, (RF, RF_IF), rd_rm),
17769 cCL("logep", e588120, 2, (RF, RF_IF), rd_rm),
17770 cCL("logem", e588140, 2, (RF, RF_IF), rd_rm),
17771 cCL("logez", e588160, 2, (RF, RF_IF), rd_rm),
17773 cCL("lgns", e608100, 2, (RF, RF_IF), rd_rm),
17774 cCL("lgnsp", e608120, 2, (RF, RF_IF), rd_rm),
17775 cCL("lgnsm", e608140, 2, (RF, RF_IF), rd_rm),
17776 cCL("lgnsz", e608160, 2, (RF, RF_IF), rd_rm),
17777 cCL("lgnd", e608180, 2, (RF, RF_IF), rd_rm),
17778 cCL("lgndp", e6081a0, 2, (RF, RF_IF), rd_rm),
17779 cCL("lgndm", e6081c0, 2, (RF, RF_IF), rd_rm),
17780 cCL("lgndz", e6081e0, 2, (RF, RF_IF), rd_rm),
17781 cCL("lgne", e688100, 2, (RF, RF_IF), rd_rm),
17782 cCL("lgnep", e688120, 2, (RF, RF_IF), rd_rm),
17783 cCL("lgnem", e688140, 2, (RF, RF_IF), rd_rm),
17784 cCL("lgnez", e688160, 2, (RF, RF_IF), rd_rm),
17786 cCL("exps", e708100, 2, (RF, RF_IF), rd_rm),
17787 cCL("expsp", e708120, 2, (RF, RF_IF), rd_rm),
17788 cCL("expsm", e708140, 2, (RF, RF_IF), rd_rm),
17789 cCL("expsz", e708160, 2, (RF, RF_IF), rd_rm),
17790 cCL("expd", e708180, 2, (RF, RF_IF), rd_rm),
17791 cCL("expdp", e7081a0, 2, (RF, RF_IF), rd_rm),
17792 cCL("expdm", e7081c0, 2, (RF, RF_IF), rd_rm),
17793 cCL("expdz", e7081e0, 2, (RF, RF_IF), rd_rm),
17794 cCL("expe", e788100, 2, (RF, RF_IF), rd_rm),
17795 cCL("expep", e788120, 2, (RF, RF_IF), rd_rm),
17796 cCL("expem", e788140, 2, (RF, RF_IF), rd_rm),
17797 cCL("expdz", e788160, 2, (RF, RF_IF), rd_rm),
17799 cCL("sins", e808100, 2, (RF, RF_IF), rd_rm),
17800 cCL("sinsp", e808120, 2, (RF, RF_IF), rd_rm),
17801 cCL("sinsm", e808140, 2, (RF, RF_IF), rd_rm),
17802 cCL("sinsz", e808160, 2, (RF, RF_IF), rd_rm),
17803 cCL("sind", e808180, 2, (RF, RF_IF), rd_rm),
17804 cCL("sindp", e8081a0, 2, (RF, RF_IF), rd_rm),
17805 cCL("sindm", e8081c0, 2, (RF, RF_IF), rd_rm),
17806 cCL("sindz", e8081e0, 2, (RF, RF_IF), rd_rm),
17807 cCL("sine", e888100, 2, (RF, RF_IF), rd_rm),
17808 cCL("sinep", e888120, 2, (RF, RF_IF), rd_rm),
17809 cCL("sinem", e888140, 2, (RF, RF_IF), rd_rm),
17810 cCL("sinez", e888160, 2, (RF, RF_IF), rd_rm),
17812 cCL("coss", e908100, 2, (RF, RF_IF), rd_rm),
17813 cCL("cossp", e908120, 2, (RF, RF_IF), rd_rm),
17814 cCL("cossm", e908140, 2, (RF, RF_IF), rd_rm),
17815 cCL("cossz", e908160, 2, (RF, RF_IF), rd_rm),
17816 cCL("cosd", e908180, 2, (RF, RF_IF), rd_rm),
17817 cCL("cosdp", e9081a0, 2, (RF, RF_IF), rd_rm),
17818 cCL("cosdm", e9081c0, 2, (RF, RF_IF), rd_rm),
17819 cCL("cosdz", e9081e0, 2, (RF, RF_IF), rd_rm),
17820 cCL("cose", e988100, 2, (RF, RF_IF), rd_rm),
17821 cCL("cosep", e988120, 2, (RF, RF_IF), rd_rm),
17822 cCL("cosem", e988140, 2, (RF, RF_IF), rd_rm),
17823 cCL("cosez", e988160, 2, (RF, RF_IF), rd_rm),
17825 cCL("tans", ea08100, 2, (RF, RF_IF), rd_rm),
17826 cCL("tansp", ea08120, 2, (RF, RF_IF), rd_rm),
17827 cCL("tansm", ea08140, 2, (RF, RF_IF), rd_rm),
17828 cCL("tansz", ea08160, 2, (RF, RF_IF), rd_rm),
17829 cCL("tand", ea08180, 2, (RF, RF_IF), rd_rm),
17830 cCL("tandp", ea081a0, 2, (RF, RF_IF), rd_rm),
17831 cCL("tandm", ea081c0, 2, (RF, RF_IF), rd_rm),
17832 cCL("tandz", ea081e0, 2, (RF, RF_IF), rd_rm),
17833 cCL("tane", ea88100, 2, (RF, RF_IF), rd_rm),
17834 cCL("tanep", ea88120, 2, (RF, RF_IF), rd_rm),
17835 cCL("tanem", ea88140, 2, (RF, RF_IF), rd_rm),
17836 cCL("tanez", ea88160, 2, (RF, RF_IF), rd_rm),
17838 cCL("asns", eb08100, 2, (RF, RF_IF), rd_rm),
17839 cCL("asnsp", eb08120, 2, (RF, RF_IF), rd_rm),
17840 cCL("asnsm", eb08140, 2, (RF, RF_IF), rd_rm),
17841 cCL("asnsz", eb08160, 2, (RF, RF_IF), rd_rm),
17842 cCL("asnd", eb08180, 2, (RF, RF_IF), rd_rm),
17843 cCL("asndp", eb081a0, 2, (RF, RF_IF), rd_rm),
17844 cCL("asndm", eb081c0, 2, (RF, RF_IF), rd_rm),
17845 cCL("asndz", eb081e0, 2, (RF, RF_IF), rd_rm),
17846 cCL("asne", eb88100, 2, (RF, RF_IF), rd_rm),
17847 cCL("asnep", eb88120, 2, (RF, RF_IF), rd_rm),
17848 cCL("asnem", eb88140, 2, (RF, RF_IF), rd_rm),
17849 cCL("asnez", eb88160, 2, (RF, RF_IF), rd_rm),
17851 cCL("acss", ec08100, 2, (RF, RF_IF), rd_rm),
17852 cCL("acssp", ec08120, 2, (RF, RF_IF), rd_rm),
17853 cCL("acssm", ec08140, 2, (RF, RF_IF), rd_rm),
17854 cCL("acssz", ec08160, 2, (RF, RF_IF), rd_rm),
17855 cCL("acsd", ec08180, 2, (RF, RF_IF), rd_rm),
17856 cCL("acsdp", ec081a0, 2, (RF, RF_IF), rd_rm),
17857 cCL("acsdm", ec081c0, 2, (RF, RF_IF), rd_rm),
17858 cCL("acsdz", ec081e0, 2, (RF, RF_IF), rd_rm),
17859 cCL("acse", ec88100, 2, (RF, RF_IF), rd_rm),
17860 cCL("acsep", ec88120, 2, (RF, RF_IF), rd_rm),
17861 cCL("acsem", ec88140, 2, (RF, RF_IF), rd_rm),
17862 cCL("acsez", ec88160, 2, (RF, RF_IF), rd_rm),
17864 cCL("atns", ed08100, 2, (RF, RF_IF), rd_rm),
17865 cCL("atnsp", ed08120, 2, (RF, RF_IF), rd_rm),
17866 cCL("atnsm", ed08140, 2, (RF, RF_IF), rd_rm),
17867 cCL("atnsz", ed08160, 2, (RF, RF_IF), rd_rm),
17868 cCL("atnd", ed08180, 2, (RF, RF_IF), rd_rm),
17869 cCL("atndp", ed081a0, 2, (RF, RF_IF), rd_rm),
17870 cCL("atndm", ed081c0, 2, (RF, RF_IF), rd_rm),
17871 cCL("atndz", ed081e0, 2, (RF, RF_IF), rd_rm),
17872 cCL("atne", ed88100, 2, (RF, RF_IF), rd_rm),
17873 cCL("atnep", ed88120, 2, (RF, RF_IF), rd_rm),
17874 cCL("atnem", ed88140, 2, (RF, RF_IF), rd_rm),
17875 cCL("atnez", ed88160, 2, (RF, RF_IF), rd_rm),
17877 cCL("urds", ee08100, 2, (RF, RF_IF), rd_rm),
17878 cCL("urdsp", ee08120, 2, (RF, RF_IF), rd_rm),
17879 cCL("urdsm", ee08140, 2, (RF, RF_IF), rd_rm),
17880 cCL("urdsz", ee08160, 2, (RF, RF_IF), rd_rm),
17881 cCL("urdd", ee08180, 2, (RF, RF_IF), rd_rm),
17882 cCL("urddp", ee081a0, 2, (RF, RF_IF), rd_rm),
17883 cCL("urddm", ee081c0, 2, (RF, RF_IF), rd_rm),
17884 cCL("urddz", ee081e0, 2, (RF, RF_IF), rd_rm),
17885 cCL("urde", ee88100, 2, (RF, RF_IF), rd_rm),
17886 cCL("urdep", ee88120, 2, (RF, RF_IF), rd_rm),
17887 cCL("urdem", ee88140, 2, (RF, RF_IF), rd_rm),
17888 cCL("urdez", ee88160, 2, (RF, RF_IF), rd_rm),
17890 cCL("nrms", ef08100, 2, (RF, RF_IF), rd_rm),
17891 cCL("nrmsp", ef08120, 2, (RF, RF_IF), rd_rm),
17892 cCL("nrmsm", ef08140, 2, (RF, RF_IF), rd_rm),
17893 cCL("nrmsz", ef08160, 2, (RF, RF_IF), rd_rm),
17894 cCL("nrmd", ef08180, 2, (RF, RF_IF), rd_rm),
17895 cCL("nrmdp", ef081a0, 2, (RF, RF_IF), rd_rm),
17896 cCL("nrmdm", ef081c0, 2, (RF, RF_IF), rd_rm),
17897 cCL("nrmdz", ef081e0, 2, (RF, RF_IF), rd_rm),
17898 cCL("nrme", ef88100, 2, (RF, RF_IF), rd_rm),
17899 cCL("nrmep", ef88120, 2, (RF, RF_IF), rd_rm),
17900 cCL("nrmem", ef88140, 2, (RF, RF_IF), rd_rm),
17901 cCL("nrmez", ef88160, 2, (RF, RF_IF), rd_rm),
17903 cCL("adfs", e000100, 3, (RF, RF, RF_IF), rd_rn_rm),
17904 cCL("adfsp", e000120, 3, (RF, RF, RF_IF), rd_rn_rm),
17905 cCL("adfsm", e000140, 3, (RF, RF, RF_IF), rd_rn_rm),
17906 cCL("adfsz", e000160, 3, (RF, RF, RF_IF), rd_rn_rm),
17907 cCL("adfd", e000180, 3, (RF, RF, RF_IF), rd_rn_rm),
17908 cCL("adfdp", e0001a0, 3, (RF, RF, RF_IF), rd_rn_rm),
17909 cCL("adfdm", e0001c0, 3, (RF, RF, RF_IF), rd_rn_rm),
17910 cCL("adfdz", e0001e0, 3, (RF, RF, RF_IF), rd_rn_rm),
17911 cCL("adfe", e080100, 3, (RF, RF, RF_IF), rd_rn_rm),
17912 cCL("adfep", e080120, 3, (RF, RF, RF_IF), rd_rn_rm),
17913 cCL("adfem", e080140, 3, (RF, RF, RF_IF), rd_rn_rm),
17914 cCL("adfez", e080160, 3, (RF, RF, RF_IF), rd_rn_rm),
17916 cCL("sufs", e200100, 3, (RF, RF, RF_IF), rd_rn_rm),
17917 cCL("sufsp", e200120, 3, (RF, RF, RF_IF), rd_rn_rm),
17918 cCL("sufsm", e200140, 3, (RF, RF, RF_IF), rd_rn_rm),
17919 cCL("sufsz", e200160, 3, (RF, RF, RF_IF), rd_rn_rm),
17920 cCL("sufd", e200180, 3, (RF, RF, RF_IF), rd_rn_rm),
17921 cCL("sufdp", e2001a0, 3, (RF, RF, RF_IF), rd_rn_rm),
17922 cCL("sufdm", e2001c0, 3, (RF, RF, RF_IF), rd_rn_rm),
17923 cCL("sufdz", e2001e0, 3, (RF, RF, RF_IF), rd_rn_rm),
17924 cCL("sufe", e280100, 3, (RF, RF, RF_IF), rd_rn_rm),
17925 cCL("sufep", e280120, 3, (RF, RF, RF_IF), rd_rn_rm),
17926 cCL("sufem", e280140, 3, (RF, RF, RF_IF), rd_rn_rm),
17927 cCL("sufez", e280160, 3, (RF, RF, RF_IF), rd_rn_rm),
17929 cCL("rsfs", e300100, 3, (RF, RF, RF_IF), rd_rn_rm),
17930 cCL("rsfsp", e300120, 3, (RF, RF, RF_IF), rd_rn_rm),
17931 cCL("rsfsm", e300140, 3, (RF, RF, RF_IF), rd_rn_rm),
17932 cCL("rsfsz", e300160, 3, (RF, RF, RF_IF), rd_rn_rm),
17933 cCL("rsfd", e300180, 3, (RF, RF, RF_IF), rd_rn_rm),
17934 cCL("rsfdp", e3001a0, 3, (RF, RF, RF_IF), rd_rn_rm),
17935 cCL("rsfdm", e3001c0, 3, (RF, RF, RF_IF), rd_rn_rm),
17936 cCL("rsfdz", e3001e0, 3, (RF, RF, RF_IF), rd_rn_rm),
17937 cCL("rsfe", e380100, 3, (RF, RF, RF_IF), rd_rn_rm),
17938 cCL("rsfep", e380120, 3, (RF, RF, RF_IF), rd_rn_rm),
17939 cCL("rsfem", e380140, 3, (RF, RF, RF_IF), rd_rn_rm),
17940 cCL("rsfez", e380160, 3, (RF, RF, RF_IF), rd_rn_rm),
17942 cCL("mufs", e100100, 3, (RF, RF, RF_IF), rd_rn_rm),
17943 cCL("mufsp", e100120, 3, (RF, RF, RF_IF), rd_rn_rm),
17944 cCL("mufsm", e100140, 3, (RF, RF, RF_IF), rd_rn_rm),
17945 cCL("mufsz", e100160, 3, (RF, RF, RF_IF), rd_rn_rm),
17946 cCL("mufd", e100180, 3, (RF, RF, RF_IF), rd_rn_rm),
17947 cCL("mufdp", e1001a0, 3, (RF, RF, RF_IF), rd_rn_rm),
17948 cCL("mufdm", e1001c0, 3, (RF, RF, RF_IF), rd_rn_rm),
17949 cCL("mufdz", e1001e0, 3, (RF, RF, RF_IF), rd_rn_rm),
17950 cCL("mufe", e180100, 3, (RF, RF, RF_IF), rd_rn_rm),
17951 cCL("mufep", e180120, 3, (RF, RF, RF_IF), rd_rn_rm),
17952 cCL("mufem", e180140, 3, (RF, RF, RF_IF), rd_rn_rm),
17953 cCL("mufez", e180160, 3, (RF, RF, RF_IF), rd_rn_rm),
17955 cCL("dvfs", e400100, 3, (RF, RF, RF_IF), rd_rn_rm),
17956 cCL("dvfsp", e400120, 3, (RF, RF, RF_IF), rd_rn_rm),
17957 cCL("dvfsm", e400140, 3, (RF, RF, RF_IF), rd_rn_rm),
17958 cCL("dvfsz", e400160, 3, (RF, RF, RF_IF), rd_rn_rm),
17959 cCL("dvfd", e400180, 3, (RF, RF, RF_IF), rd_rn_rm),
17960 cCL("dvfdp", e4001a0, 3, (RF, RF, RF_IF), rd_rn_rm),
17961 cCL("dvfdm", e4001c0, 3, (RF, RF, RF_IF), rd_rn_rm),
17962 cCL("dvfdz", e4001e0, 3, (RF, RF, RF_IF), rd_rn_rm),
17963 cCL("dvfe", e480100, 3, (RF, RF, RF_IF), rd_rn_rm),
17964 cCL("dvfep", e480120, 3, (RF, RF, RF_IF), rd_rn_rm),
17965 cCL("dvfem", e480140, 3, (RF, RF, RF_IF), rd_rn_rm),
17966 cCL("dvfez", e480160, 3, (RF, RF, RF_IF), rd_rn_rm),
17968 cCL("rdfs", e500100, 3, (RF, RF, RF_IF), rd_rn_rm),
17969 cCL("rdfsp", e500120, 3, (RF, RF, RF_IF), rd_rn_rm),
17970 cCL("rdfsm", e500140, 3, (RF, RF, RF_IF), rd_rn_rm),
17971 cCL("rdfsz", e500160, 3, (RF, RF, RF_IF), rd_rn_rm),
17972 cCL("rdfd", e500180, 3, (RF, RF, RF_IF), rd_rn_rm),
17973 cCL("rdfdp", e5001a0, 3, (RF, RF, RF_IF), rd_rn_rm),
17974 cCL("rdfdm", e5001c0, 3, (RF, RF, RF_IF), rd_rn_rm),
17975 cCL("rdfdz", e5001e0, 3, (RF, RF, RF_IF), rd_rn_rm),
17976 cCL("rdfe", e580100, 3, (RF, RF, RF_IF), rd_rn_rm),
17977 cCL("rdfep", e580120, 3, (RF, RF, RF_IF), rd_rn_rm),
17978 cCL("rdfem", e580140, 3, (RF, RF, RF_IF), rd_rn_rm),
17979 cCL("rdfez", e580160, 3, (RF, RF, RF_IF), rd_rn_rm),
17981 cCL("pows", e600100, 3, (RF, RF, RF_IF), rd_rn_rm),
17982 cCL("powsp", e600120, 3, (RF, RF, RF_IF), rd_rn_rm),
17983 cCL("powsm", e600140, 3, (RF, RF, RF_IF), rd_rn_rm),
17984 cCL("powsz", e600160, 3, (RF, RF, RF_IF), rd_rn_rm),
17985 cCL("powd", e600180, 3, (RF, RF, RF_IF), rd_rn_rm),
17986 cCL("powdp", e6001a0, 3, (RF, RF, RF_IF), rd_rn_rm),
17987 cCL("powdm", e6001c0, 3, (RF, RF, RF_IF), rd_rn_rm),
17988 cCL("powdz", e6001e0, 3, (RF, RF, RF_IF), rd_rn_rm),
17989 cCL("powe", e680100, 3, (RF, RF, RF_IF), rd_rn_rm),
17990 cCL("powep", e680120, 3, (RF, RF, RF_IF), rd_rn_rm),
17991 cCL("powem", e680140, 3, (RF, RF, RF_IF), rd_rn_rm),
17992 cCL("powez", e680160, 3, (RF, RF, RF_IF), rd_rn_rm),
17994 cCL("rpws", e700100, 3, (RF, RF, RF_IF), rd_rn_rm),
17995 cCL("rpwsp", e700120, 3, (RF, RF, RF_IF), rd_rn_rm),
17996 cCL("rpwsm", e700140, 3, (RF, RF, RF_IF), rd_rn_rm),
17997 cCL("rpwsz", e700160, 3, (RF, RF, RF_IF), rd_rn_rm),
17998 cCL("rpwd", e700180, 3, (RF, RF, RF_IF), rd_rn_rm),
17999 cCL("rpwdp", e7001a0, 3, (RF, RF, RF_IF), rd_rn_rm),
18000 cCL("rpwdm", e7001c0, 3, (RF, RF, RF_IF), rd_rn_rm),
18001 cCL("rpwdz", e7001e0, 3, (RF, RF, RF_IF), rd_rn_rm),
18002 cCL("rpwe", e780100, 3, (RF, RF, RF_IF), rd_rn_rm),
18003 cCL("rpwep", e780120, 3, (RF, RF, RF_IF), rd_rn_rm),
18004 cCL("rpwem", e780140, 3, (RF, RF, RF_IF), rd_rn_rm),
18005 cCL("rpwez", e780160, 3, (RF, RF, RF_IF), rd_rn_rm),
18007 cCL("rmfs", e800100, 3, (RF, RF, RF_IF), rd_rn_rm),
18008 cCL("rmfsp", e800120, 3, (RF, RF, RF_IF), rd_rn_rm),
18009 cCL("rmfsm", e800140, 3, (RF, RF, RF_IF), rd_rn_rm),
18010 cCL("rmfsz", e800160, 3, (RF, RF, RF_IF), rd_rn_rm),
18011 cCL("rmfd", e800180, 3, (RF, RF, RF_IF), rd_rn_rm),
18012 cCL("rmfdp", e8001a0, 3, (RF, RF, RF_IF), rd_rn_rm),
18013 cCL("rmfdm", e8001c0, 3, (RF, RF, RF_IF), rd_rn_rm),
18014 cCL("rmfdz", e8001e0, 3, (RF, RF, RF_IF), rd_rn_rm),
18015 cCL("rmfe", e880100, 3, (RF, RF, RF_IF), rd_rn_rm),
18016 cCL("rmfep", e880120, 3, (RF, RF, RF_IF), rd_rn_rm),
18017 cCL("rmfem", e880140, 3, (RF, RF, RF_IF), rd_rn_rm),
18018 cCL("rmfez", e880160, 3, (RF, RF, RF_IF), rd_rn_rm),
18020 cCL("fmls", e900100, 3, (RF, RF, RF_IF), rd_rn_rm),
18021 cCL("fmlsp", e900120, 3, (RF, RF, RF_IF), rd_rn_rm),
18022 cCL("fmlsm", e900140, 3, (RF, RF, RF_IF), rd_rn_rm),
18023 cCL("fmlsz", e900160, 3, (RF, RF, RF_IF), rd_rn_rm),
18024 cCL("fmld", e900180, 3, (RF, RF, RF_IF), rd_rn_rm),
18025 cCL("fmldp", e9001a0, 3, (RF, RF, RF_IF), rd_rn_rm),
18026 cCL("fmldm", e9001c0, 3, (RF, RF, RF_IF), rd_rn_rm),
18027 cCL("fmldz", e9001e0, 3, (RF, RF, RF_IF), rd_rn_rm),
18028 cCL("fmle", e980100, 3, (RF, RF, RF_IF), rd_rn_rm),
18029 cCL("fmlep", e980120, 3, (RF, RF, RF_IF), rd_rn_rm),
18030 cCL("fmlem", e980140, 3, (RF, RF, RF_IF), rd_rn_rm),
18031 cCL("fmlez", e980160, 3, (RF, RF, RF_IF), rd_rn_rm),
18033 cCL("fdvs", ea00100, 3, (RF, RF, RF_IF), rd_rn_rm),
18034 cCL("fdvsp", ea00120, 3, (RF, RF, RF_IF), rd_rn_rm),
18035 cCL("fdvsm", ea00140, 3, (RF, RF, RF_IF), rd_rn_rm),
18036 cCL("fdvsz", ea00160, 3, (RF, RF, RF_IF), rd_rn_rm),
18037 cCL("fdvd", ea00180, 3, (RF, RF, RF_IF), rd_rn_rm),
18038 cCL("fdvdp", ea001a0, 3, (RF, RF, RF_IF), rd_rn_rm),
18039 cCL("fdvdm", ea001c0, 3, (RF, RF, RF_IF), rd_rn_rm),
18040 cCL("fdvdz", ea001e0, 3, (RF, RF, RF_IF), rd_rn_rm),
18041 cCL("fdve", ea80100, 3, (RF, RF, RF_IF), rd_rn_rm),
18042 cCL("fdvep", ea80120, 3, (RF, RF, RF_IF), rd_rn_rm),
18043 cCL("fdvem", ea80140, 3, (RF, RF, RF_IF), rd_rn_rm),
18044 cCL("fdvez", ea80160, 3, (RF, RF, RF_IF), rd_rn_rm),
18046 cCL("frds", eb00100, 3, (RF, RF, RF_IF), rd_rn_rm),
18047 cCL("frdsp", eb00120, 3, (RF, RF, RF_IF), rd_rn_rm),
18048 cCL("frdsm", eb00140, 3, (RF, RF, RF_IF), rd_rn_rm),
18049 cCL("frdsz", eb00160, 3, (RF, RF, RF_IF), rd_rn_rm),
18050 cCL("frdd", eb00180, 3, (RF, RF, RF_IF), rd_rn_rm),
18051 cCL("frddp", eb001a0, 3, (RF, RF, RF_IF), rd_rn_rm),
18052 cCL("frddm", eb001c0, 3, (RF, RF, RF_IF), rd_rn_rm),
18053 cCL("frddz", eb001e0, 3, (RF, RF, RF_IF), rd_rn_rm),
18054 cCL("frde", eb80100, 3, (RF, RF, RF_IF), rd_rn_rm),
18055 cCL("frdep", eb80120, 3, (RF, RF, RF_IF), rd_rn_rm),
18056 cCL("frdem", eb80140, 3, (RF, RF, RF_IF), rd_rn_rm),
18057 cCL("frdez", eb80160, 3, (RF, RF, RF_IF), rd_rn_rm),
18059 cCL("pols", ec00100, 3, (RF, RF, RF_IF), rd_rn_rm),
18060 cCL("polsp", ec00120, 3, (RF, RF, RF_IF), rd_rn_rm),
18061 cCL("polsm", ec00140, 3, (RF, RF, RF_IF), rd_rn_rm),
18062 cCL("polsz", ec00160, 3, (RF, RF, RF_IF), rd_rn_rm),
18063 cCL("pold", ec00180, 3, (RF, RF, RF_IF), rd_rn_rm),
18064 cCL("poldp", ec001a0, 3, (RF, RF, RF_IF), rd_rn_rm),
18065 cCL("poldm", ec001c0, 3, (RF, RF, RF_IF), rd_rn_rm),
18066 cCL("poldz", ec001e0, 3, (RF, RF, RF_IF), rd_rn_rm),
18067 cCL("pole", ec80100, 3, (RF, RF, RF_IF), rd_rn_rm),
18068 cCL("polep", ec80120, 3, (RF, RF, RF_IF), rd_rn_rm),
18069 cCL("polem", ec80140, 3, (RF, RF, RF_IF), rd_rn_rm),
18070 cCL("polez", ec80160, 3, (RF, RF, RF_IF), rd_rn_rm),
18072 cCE("cmf", e90f110, 2, (RF, RF_IF), fpa_cmp),
18073 C3E("cmfe", ed0f110, 2, (RF, RF_IF), fpa_cmp),
18074 cCE("cnf", eb0f110, 2, (RF, RF_IF), fpa_cmp),
18075 C3E("cnfe", ef0f110, 2, (RF, RF_IF), fpa_cmp),
18077 cCL("flts", e000110, 2, (RF, RR), rn_rd),
18078 cCL("fltsp", e000130, 2, (RF, RR), rn_rd),
18079 cCL("fltsm", e000150, 2, (RF, RR), rn_rd),
18080 cCL("fltsz", e000170, 2, (RF, RR), rn_rd),
18081 cCL("fltd", e000190, 2, (RF, RR), rn_rd),
18082 cCL("fltdp", e0001b0, 2, (RF, RR), rn_rd),
18083 cCL("fltdm", e0001d0, 2, (RF, RR), rn_rd),
18084 cCL("fltdz", e0001f0, 2, (RF, RR), rn_rd),
18085 cCL("flte", e080110, 2, (RF, RR), rn_rd),
18086 cCL("fltep", e080130, 2, (RF, RR), rn_rd),
18087 cCL("fltem", e080150, 2, (RF, RR), rn_rd),
18088 cCL("fltez", e080170, 2, (RF, RR), rn_rd),
18090 /* The implementation of the FIX instruction is broken on some
18091 assemblers, in that it accepts a precision specifier as well as a
18092 rounding specifier, despite the fact that this is meaningless.
18093 To be more compatible, we accept it as well, though of course it
18094 does not set any bits. */
18095 cCE("fix", e100110, 2, (RR, RF), rd_rm),
18096 cCL("fixp", e100130, 2, (RR, RF), rd_rm),
18097 cCL("fixm", e100150, 2, (RR, RF), rd_rm),
18098 cCL("fixz", e100170, 2, (RR, RF), rd_rm),
18099 cCL("fixsp", e100130, 2, (RR, RF), rd_rm),
18100 cCL("fixsm", e100150, 2, (RR, RF), rd_rm),
18101 cCL("fixsz", e100170, 2, (RR, RF), rd_rm),
18102 cCL("fixdp", e100130, 2, (RR, RF), rd_rm),
18103 cCL("fixdm", e100150, 2, (RR, RF), rd_rm),
18104 cCL("fixdz", e100170, 2, (RR, RF), rd_rm),
18105 cCL("fixep", e100130, 2, (RR, RF), rd_rm),
18106 cCL("fixem", e100150, 2, (RR, RF), rd_rm),
18107 cCL("fixez", e100170, 2, (RR, RF), rd_rm),
18109 /* Instructions that were new with the real FPA, call them V2. */
18111 #define ARM_VARIANT & fpu_fpa_ext_v2
18113 cCE("lfm", c100200, 3, (RF, I4b, ADDR), fpa_ldmstm),
18114 cCL("lfmfd", c900200, 3, (RF, I4b, ADDR), fpa_ldmstm),
18115 cCL("lfmea", d100200, 3, (RF, I4b, ADDR), fpa_ldmstm),
18116 cCE("sfm", c000200, 3, (RF, I4b, ADDR), fpa_ldmstm),
18117 cCL("sfmfd", d000200, 3, (RF, I4b, ADDR), fpa_ldmstm),
18118 cCL("sfmea", c800200, 3, (RF, I4b, ADDR), fpa_ldmstm),
18121 #define ARM_VARIANT & fpu_vfp_ext_v1xd /* VFP V1xD (single precision). */
18123 /* Moves and type conversions. */
18124 cCE("fcpys", eb00a40, 2, (RVS, RVS), vfp_sp_monadic),
18125 cCE("fmrs", e100a10, 2, (RR, RVS), vfp_reg_from_sp),
18126 cCE("fmsr", e000a10, 2, (RVS, RR), vfp_sp_from_reg),
18127 cCE("fmstat", ef1fa10, 0, (), noargs),
18128 cCE("vmrs", ef10a10, 2, (APSR_RR, RVC), vmrs),
18129 cCE("vmsr", ee10a10, 2, (RVC, RR), vmsr),
18130 cCE("fsitos", eb80ac0, 2, (RVS, RVS), vfp_sp_monadic),
18131 cCE("fuitos", eb80a40, 2, (RVS, RVS), vfp_sp_monadic),
18132 cCE("ftosis", ebd0a40, 2, (RVS, RVS), vfp_sp_monadic),
18133 cCE("ftosizs", ebd0ac0, 2, (RVS, RVS), vfp_sp_monadic),
18134 cCE("ftouis", ebc0a40, 2, (RVS, RVS), vfp_sp_monadic),
18135 cCE("ftouizs", ebc0ac0, 2, (RVS, RVS), vfp_sp_monadic),
18136 cCE("fmrx", ef00a10, 2, (RR, RVC), rd_rn),
18137 cCE("fmxr", ee00a10, 2, (RVC, RR), rn_rd),
18139 /* Memory operations. */
18140 cCE("flds", d100a00, 2, (RVS, ADDRGLDC), vfp_sp_ldst),
18141 cCE("fsts", d000a00, 2, (RVS, ADDRGLDC), vfp_sp_ldst),
18142 cCE("fldmias", c900a00, 2, (RRnpctw, VRSLST), vfp_sp_ldstmia),
18143 cCE("fldmfds", c900a00, 2, (RRnpctw, VRSLST), vfp_sp_ldstmia),
18144 cCE("fldmdbs", d300a00, 2, (RRnpctw, VRSLST), vfp_sp_ldstmdb),
18145 cCE("fldmeas", d300a00, 2, (RRnpctw, VRSLST), vfp_sp_ldstmdb),
18146 cCE("fldmiax", c900b00, 2, (RRnpctw, VRDLST), vfp_xp_ldstmia),
18147 cCE("fldmfdx", c900b00, 2, (RRnpctw, VRDLST), vfp_xp_ldstmia),
18148 cCE("fldmdbx", d300b00, 2, (RRnpctw, VRDLST), vfp_xp_ldstmdb),
18149 cCE("fldmeax", d300b00, 2, (RRnpctw, VRDLST), vfp_xp_ldstmdb),
18150 cCE("fstmias", c800a00, 2, (RRnpctw, VRSLST), vfp_sp_ldstmia),
18151 cCE("fstmeas", c800a00, 2, (RRnpctw, VRSLST), vfp_sp_ldstmia),
18152 cCE("fstmdbs", d200a00, 2, (RRnpctw, VRSLST), vfp_sp_ldstmdb),
18153 cCE("fstmfds", d200a00, 2, (RRnpctw, VRSLST), vfp_sp_ldstmdb),
18154 cCE("fstmiax", c800b00, 2, (RRnpctw, VRDLST), vfp_xp_ldstmia),
18155 cCE("fstmeax", c800b00, 2, (RRnpctw, VRDLST), vfp_xp_ldstmia),
18156 cCE("fstmdbx", d200b00, 2, (RRnpctw, VRDLST), vfp_xp_ldstmdb),
18157 cCE("fstmfdx", d200b00, 2, (RRnpctw, VRDLST), vfp_xp_ldstmdb),
18159 /* Monadic operations. */
18160 cCE("fabss", eb00ac0, 2, (RVS, RVS), vfp_sp_monadic),
18161 cCE("fnegs", eb10a40, 2, (RVS, RVS), vfp_sp_monadic),
18162 cCE("fsqrts", eb10ac0, 2, (RVS, RVS), vfp_sp_monadic),
18164 /* Dyadic operations. */
18165 cCE("fadds", e300a00, 3, (RVS, RVS, RVS), vfp_sp_dyadic),
18166 cCE("fsubs", e300a40, 3, (RVS, RVS, RVS), vfp_sp_dyadic),
18167 cCE("fmuls", e200a00, 3, (RVS, RVS, RVS), vfp_sp_dyadic),
18168 cCE("fdivs", e800a00, 3, (RVS, RVS, RVS), vfp_sp_dyadic),
18169 cCE("fmacs", e000a00, 3, (RVS, RVS, RVS), vfp_sp_dyadic),
18170 cCE("fmscs", e100a00, 3, (RVS, RVS, RVS), vfp_sp_dyadic),
18171 cCE("fnmuls", e200a40, 3, (RVS, RVS, RVS), vfp_sp_dyadic),
18172 cCE("fnmacs", e000a40, 3, (RVS, RVS, RVS), vfp_sp_dyadic),
18173 cCE("fnmscs", e100a40, 3, (RVS, RVS, RVS), vfp_sp_dyadic),
18176 cCE("fcmps", eb40a40, 2, (RVS, RVS), vfp_sp_monadic),
18177 cCE("fcmpzs", eb50a40, 1, (RVS), vfp_sp_compare_z),
18178 cCE("fcmpes", eb40ac0, 2, (RVS, RVS), vfp_sp_monadic),
18179 cCE("fcmpezs", eb50ac0, 1, (RVS), vfp_sp_compare_z),
18181 /* Double precision load/store are still present on single precision
18182 implementations. */
18183 cCE("fldd", d100b00, 2, (RVD, ADDRGLDC), vfp_dp_ldst),
18184 cCE("fstd", d000b00, 2, (RVD, ADDRGLDC), vfp_dp_ldst),
18185 cCE("fldmiad", c900b00, 2, (RRnpctw, VRDLST), vfp_dp_ldstmia),
18186 cCE("fldmfdd", c900b00, 2, (RRnpctw, VRDLST), vfp_dp_ldstmia),
18187 cCE("fldmdbd", d300b00, 2, (RRnpctw, VRDLST), vfp_dp_ldstmdb),
18188 cCE("fldmead", d300b00, 2, (RRnpctw, VRDLST), vfp_dp_ldstmdb),
18189 cCE("fstmiad", c800b00, 2, (RRnpctw, VRDLST), vfp_dp_ldstmia),
18190 cCE("fstmead", c800b00, 2, (RRnpctw, VRDLST), vfp_dp_ldstmia),
18191 cCE("fstmdbd", d200b00, 2, (RRnpctw, VRDLST), vfp_dp_ldstmdb),
18192 cCE("fstmfdd", d200b00, 2, (RRnpctw, VRDLST), vfp_dp_ldstmdb),
18195 #define ARM_VARIANT & fpu_vfp_ext_v1 /* VFP V1 (Double precision). */
18197 /* Moves and type conversions. */
18198 cCE("fcpyd", eb00b40, 2, (RVD, RVD), vfp_dp_rd_rm),
18199 cCE("fcvtds", eb70ac0, 2, (RVD, RVS), vfp_dp_sp_cvt),
18200 cCE("fcvtsd", eb70bc0, 2, (RVS, RVD), vfp_sp_dp_cvt),
18201 cCE("fmdhr", e200b10, 2, (RVD, RR), vfp_dp_rn_rd),
18202 cCE("fmdlr", e000b10, 2, (RVD, RR), vfp_dp_rn_rd),
18203 cCE("fmrdh", e300b10, 2, (RR, RVD), vfp_dp_rd_rn),
18204 cCE("fmrdl", e100b10, 2, (RR, RVD), vfp_dp_rd_rn),
18205 cCE("fsitod", eb80bc0, 2, (RVD, RVS), vfp_dp_sp_cvt),
18206 cCE("fuitod", eb80b40, 2, (RVD, RVS), vfp_dp_sp_cvt),
18207 cCE("ftosid", ebd0b40, 2, (RVS, RVD), vfp_sp_dp_cvt),
18208 cCE("ftosizd", ebd0bc0, 2, (RVS, RVD), vfp_sp_dp_cvt),
18209 cCE("ftouid", ebc0b40, 2, (RVS, RVD), vfp_sp_dp_cvt),
18210 cCE("ftouizd", ebc0bc0, 2, (RVS, RVD), vfp_sp_dp_cvt),
18212 /* Monadic operations. */
18213 cCE("fabsd", eb00bc0, 2, (RVD, RVD), vfp_dp_rd_rm),
18214 cCE("fnegd", eb10b40, 2, (RVD, RVD), vfp_dp_rd_rm),
18215 cCE("fsqrtd", eb10bc0, 2, (RVD, RVD), vfp_dp_rd_rm),
18217 /* Dyadic operations. */
18218 cCE("faddd", e300b00, 3, (RVD, RVD, RVD), vfp_dp_rd_rn_rm),
18219 cCE("fsubd", e300b40, 3, (RVD, RVD, RVD), vfp_dp_rd_rn_rm),
18220 cCE("fmuld", e200b00, 3, (RVD, RVD, RVD), vfp_dp_rd_rn_rm),
18221 cCE("fdivd", e800b00, 3, (RVD, RVD, RVD), vfp_dp_rd_rn_rm),
18222 cCE("fmacd", e000b00, 3, (RVD, RVD, RVD), vfp_dp_rd_rn_rm),
18223 cCE("fmscd", e100b00, 3, (RVD, RVD, RVD), vfp_dp_rd_rn_rm),
18224 cCE("fnmuld", e200b40, 3, (RVD, RVD, RVD), vfp_dp_rd_rn_rm),
18225 cCE("fnmacd", e000b40, 3, (RVD, RVD, RVD), vfp_dp_rd_rn_rm),
18226 cCE("fnmscd", e100b40, 3, (RVD, RVD, RVD), vfp_dp_rd_rn_rm),
18229 cCE("fcmpd", eb40b40, 2, (RVD, RVD), vfp_dp_rd_rm),
18230 cCE("fcmpzd", eb50b40, 1, (RVD), vfp_dp_rd),
18231 cCE("fcmped", eb40bc0, 2, (RVD, RVD), vfp_dp_rd_rm),
18232 cCE("fcmpezd", eb50bc0, 1, (RVD), vfp_dp_rd),
18235 #define ARM_VARIANT & fpu_vfp_ext_v2
18237 cCE("fmsrr", c400a10, 3, (VRSLST, RR, RR), vfp_sp2_from_reg2),
18238 cCE("fmrrs", c500a10, 3, (RR, RR, VRSLST), vfp_reg2_from_sp2),
18239 cCE("fmdrr", c400b10, 3, (RVD, RR, RR), vfp_dp_rm_rd_rn),
18240 cCE("fmrrd", c500b10, 3, (RR, RR, RVD), vfp_dp_rd_rn_rm),
18242 /* Instructions which may belong to either the Neon or VFP instruction sets.
18243 Individual encoder functions perform additional architecture checks. */
18245 #define ARM_VARIANT & fpu_vfp_ext_v1xd
18246 #undef THUMB_VARIANT
18247 #define THUMB_VARIANT & fpu_vfp_ext_v1xd
18249 /* These mnemonics are unique to VFP. */
18250 NCE(vsqrt, 0, 2, (RVSD, RVSD), vfp_nsyn_sqrt),
18251 NCE(vdiv, 0, 3, (RVSD, RVSD, RVSD), vfp_nsyn_div),
18252 nCE(vnmul, _vnmul, 3, (RVSD, RVSD, RVSD), vfp_nsyn_nmul),
18253 nCE(vnmla, _vnmla, 3, (RVSD, RVSD, RVSD), vfp_nsyn_nmul),
18254 nCE(vnmls, _vnmls, 3, (RVSD, RVSD, RVSD), vfp_nsyn_nmul),
18255 nCE(vcmp, _vcmp, 2, (RVSD, RVSD_I0), vfp_nsyn_cmp),
18256 nCE(vcmpe, _vcmpe, 2, (RVSD, RVSD_I0), vfp_nsyn_cmp),
18257 NCE(vpush, 0, 1, (VRSDLST), vfp_nsyn_push),
18258 NCE(vpop, 0, 1, (VRSDLST), vfp_nsyn_pop),
18259 NCE(vcvtz, 0, 2, (RVSD, RVSD), vfp_nsyn_cvtz),
18261 /* Mnemonics shared by Neon and VFP. */
18262 nCEF(vmul, _vmul, 3, (RNSDQ, oRNSDQ, RNSDQ_RNSC), neon_mul),
18263 nCEF(vmla, _vmla, 3, (RNSDQ, oRNSDQ, RNSDQ_RNSC), neon_mac_maybe_scalar),
18264 nCEF(vmls, _vmls, 3, (RNSDQ, oRNSDQ, RNSDQ_RNSC), neon_mac_maybe_scalar),
18266 nCEF(vadd, _vadd, 3, (RNSDQ, oRNSDQ, RNSDQ), neon_addsub_if_i),
18267 nCEF(vsub, _vsub, 3, (RNSDQ, oRNSDQ, RNSDQ), neon_addsub_if_i),
18269 NCEF(vabs, 1b10300, 2, (RNSDQ, RNSDQ), neon_abs_neg),
18270 NCEF(vneg, 1b10380, 2, (RNSDQ, RNSDQ), neon_abs_neg),
18272 NCE(vldm, c900b00, 2, (RRnpctw, VRSDLST), neon_ldm_stm),
18273 NCE(vldmia, c900b00, 2, (RRnpctw, VRSDLST), neon_ldm_stm),
18274 NCE(vldmdb, d100b00, 2, (RRnpctw, VRSDLST), neon_ldm_stm),
18275 NCE(vstm, c800b00, 2, (RRnpctw, VRSDLST), neon_ldm_stm),
18276 NCE(vstmia, c800b00, 2, (RRnpctw, VRSDLST), neon_ldm_stm),
18277 NCE(vstmdb, d000b00, 2, (RRnpctw, VRSDLST), neon_ldm_stm),
18278 NCE(vldr, d100b00, 2, (RVSD, ADDRGLDC), neon_ldr_str),
18279 NCE(vstr, d000b00, 2, (RVSD, ADDRGLDC), neon_ldr_str),
18281 nCEF(vcvt, _vcvt, 3, (RNSDQ, RNSDQ, oI32z), neon_cvt),
18282 nCEF(vcvtr, _vcvt, 2, (RNSDQ, RNSDQ), neon_cvtr),
18283 nCEF(vcvtb, _vcvt, 2, (RVS, RVS), neon_cvtb),
18284 nCEF(vcvtt, _vcvt, 2, (RVS, RVS), neon_cvtt),
18287 /* NOTE: All VMOV encoding is special-cased! */
18288 NCE(vmov, 0, 1, (VMOV), neon_mov),
18289 NCE(vmovq, 0, 1, (VMOV), neon_mov),
18291 #undef THUMB_VARIANT
18292 #define THUMB_VARIANT & fpu_neon_ext_v1
18294 #define ARM_VARIANT & fpu_neon_ext_v1
18296 /* Data processing with three registers of the same length. */
18297 /* integer ops, valid types S8 S16 S32 U8 U16 U32. */
18298 NUF(vaba, 0000710, 3, (RNDQ, RNDQ, RNDQ), neon_dyadic_i_su),
18299 NUF(vabaq, 0000710, 3, (RNQ, RNQ, RNQ), neon_dyadic_i_su),
18300 NUF(vhadd, 0000000, 3, (RNDQ, oRNDQ, RNDQ), neon_dyadic_i_su),
18301 NUF(vhaddq, 0000000, 3, (RNQ, oRNQ, RNQ), neon_dyadic_i_su),
18302 NUF(vrhadd, 0000100, 3, (RNDQ, oRNDQ, RNDQ), neon_dyadic_i_su),
18303 NUF(vrhaddq, 0000100, 3, (RNQ, oRNQ, RNQ), neon_dyadic_i_su),
18304 NUF(vhsub, 0000200, 3, (RNDQ, oRNDQ, RNDQ), neon_dyadic_i_su),
18305 NUF(vhsubq, 0000200, 3, (RNQ, oRNQ, RNQ), neon_dyadic_i_su),
18306 /* integer ops, valid types S8 S16 S32 S64 U8 U16 U32 U64. */
18307 NUF(vqadd, 0000010, 3, (RNDQ, oRNDQ, RNDQ), neon_dyadic_i64_su),
18308 NUF(vqaddq, 0000010, 3, (RNQ, oRNQ, RNQ), neon_dyadic_i64_su),
18309 NUF(vqsub, 0000210, 3, (RNDQ, oRNDQ, RNDQ), neon_dyadic_i64_su),
18310 NUF(vqsubq, 0000210, 3, (RNQ, oRNQ, RNQ), neon_dyadic_i64_su),
18311 NUF(vrshl, 0000500, 3, (RNDQ, oRNDQ, RNDQ), neon_rshl),
18312 NUF(vrshlq, 0000500, 3, (RNQ, oRNQ, RNQ), neon_rshl),
18313 NUF(vqrshl, 0000510, 3, (RNDQ, oRNDQ, RNDQ), neon_rshl),
18314 NUF(vqrshlq, 0000510, 3, (RNQ, oRNQ, RNQ), neon_rshl),
18315 /* If not immediate, fall back to neon_dyadic_i64_su.
18316 shl_imm should accept I8 I16 I32 I64,
18317 qshl_imm should accept S8 S16 S32 S64 U8 U16 U32 U64. */
18318 nUF(vshl, _vshl, 3, (RNDQ, oRNDQ, RNDQ_I63b), neon_shl_imm),
18319 nUF(vshlq, _vshl, 3, (RNQ, oRNQ, RNDQ_I63b), neon_shl_imm),
18320 nUF(vqshl, _vqshl, 3, (RNDQ, oRNDQ, RNDQ_I63b), neon_qshl_imm),
18321 nUF(vqshlq, _vqshl, 3, (RNQ, oRNQ, RNDQ_I63b), neon_qshl_imm),
18322 /* Logic ops, types optional & ignored. */
18323 nUF(vand, _vand, 3, (RNDQ, oRNDQ, RNDQ_Ibig), neon_logic),
18324 nUF(vandq, _vand, 3, (RNQ, oRNQ, RNDQ_Ibig), neon_logic),
18325 nUF(vbic, _vbic, 3, (RNDQ, oRNDQ, RNDQ_Ibig), neon_logic),
18326 nUF(vbicq, _vbic, 3, (RNQ, oRNQ, RNDQ_Ibig), neon_logic),
18327 nUF(vorr, _vorr, 3, (RNDQ, oRNDQ, RNDQ_Ibig), neon_logic),
18328 nUF(vorrq, _vorr, 3, (RNQ, oRNQ, RNDQ_Ibig), neon_logic),
18329 nUF(vorn, _vorn, 3, (RNDQ, oRNDQ, RNDQ_Ibig), neon_logic),
18330 nUF(vornq, _vorn, 3, (RNQ, oRNQ, RNDQ_Ibig), neon_logic),
18331 nUF(veor, _veor, 3, (RNDQ, oRNDQ, RNDQ), neon_logic),
18332 nUF(veorq, _veor, 3, (RNQ, oRNQ, RNQ), neon_logic),
18333 /* Bitfield ops, untyped. */
18334 NUF(vbsl, 1100110, 3, (RNDQ, RNDQ, RNDQ), neon_bitfield),
18335 NUF(vbslq, 1100110, 3, (RNQ, RNQ, RNQ), neon_bitfield),
18336 NUF(vbit, 1200110, 3, (RNDQ, RNDQ, RNDQ), neon_bitfield),
18337 NUF(vbitq, 1200110, 3, (RNQ, RNQ, RNQ), neon_bitfield),
18338 NUF(vbif, 1300110, 3, (RNDQ, RNDQ, RNDQ), neon_bitfield),
18339 NUF(vbifq, 1300110, 3, (RNQ, RNQ, RNQ), neon_bitfield),
18340 /* Int and float variants, types S8 S16 S32 U8 U16 U32 F32. */
18341 nUF(vabd, _vabd, 3, (RNDQ, oRNDQ, RNDQ), neon_dyadic_if_su),
18342 nUF(vabdq, _vabd, 3, (RNQ, oRNQ, RNQ), neon_dyadic_if_su),
18343 nUF(vmax, _vmax, 3, (RNDQ, oRNDQ, RNDQ), neon_dyadic_if_su),
18344 nUF(vmaxq, _vmax, 3, (RNQ, oRNQ, RNQ), neon_dyadic_if_su),
18345 nUF(vmin, _vmin, 3, (RNDQ, oRNDQ, RNDQ), neon_dyadic_if_su),
18346 nUF(vminq, _vmin, 3, (RNQ, oRNQ, RNQ), neon_dyadic_if_su),
18347 /* Comparisons. Types S8 S16 S32 U8 U16 U32 F32. Non-immediate versions fall
18348 back to neon_dyadic_if_su. */
18349 nUF(vcge, _vcge, 3, (RNDQ, oRNDQ, RNDQ_I0), neon_cmp),
18350 nUF(vcgeq, _vcge, 3, (RNQ, oRNQ, RNDQ_I0), neon_cmp),
18351 nUF(vcgt, _vcgt, 3, (RNDQ, oRNDQ, RNDQ_I0), neon_cmp),
18352 nUF(vcgtq, _vcgt, 3, (RNQ, oRNQ, RNDQ_I0), neon_cmp),
18353 nUF(vclt, _vclt, 3, (RNDQ, oRNDQ, RNDQ_I0), neon_cmp_inv),
18354 nUF(vcltq, _vclt, 3, (RNQ, oRNQ, RNDQ_I0), neon_cmp_inv),
18355 nUF(vcle, _vcle, 3, (RNDQ, oRNDQ, RNDQ_I0), neon_cmp_inv),
18356 nUF(vcleq, _vcle, 3, (RNQ, oRNQ, RNDQ_I0), neon_cmp_inv),
18357 /* Comparison. Type I8 I16 I32 F32. */
18358 nUF(vceq, _vceq, 3, (RNDQ, oRNDQ, RNDQ_I0), neon_ceq),
18359 nUF(vceqq, _vceq, 3, (RNQ, oRNQ, RNDQ_I0), neon_ceq),
18360 /* As above, D registers only. */
18361 nUF(vpmax, _vpmax, 3, (RND, oRND, RND), neon_dyadic_if_su_d),
18362 nUF(vpmin, _vpmin, 3, (RND, oRND, RND), neon_dyadic_if_su_d),
18363 /* Int and float variants, signedness unimportant. */
18364 nUF(vmlaq, _vmla, 3, (RNQ, oRNQ, RNDQ_RNSC), neon_mac_maybe_scalar),
18365 nUF(vmlsq, _vmls, 3, (RNQ, oRNQ, RNDQ_RNSC), neon_mac_maybe_scalar),
18366 nUF(vpadd, _vpadd, 3, (RND, oRND, RND), neon_dyadic_if_i_d),
18367 /* Add/sub take types I8 I16 I32 I64 F32. */
18368 nUF(vaddq, _vadd, 3, (RNQ, oRNQ, RNQ), neon_addsub_if_i),
18369 nUF(vsubq, _vsub, 3, (RNQ, oRNQ, RNQ), neon_addsub_if_i),
18370 /* vtst takes sizes 8, 16, 32. */
18371 NUF(vtst, 0000810, 3, (RNDQ, oRNDQ, RNDQ), neon_tst),
18372 NUF(vtstq, 0000810, 3, (RNQ, oRNQ, RNQ), neon_tst),
18373 /* VMUL takes I8 I16 I32 F32 P8. */
18374 nUF(vmulq, _vmul, 3, (RNQ, oRNQ, RNDQ_RNSC), neon_mul),
18375 /* VQD{R}MULH takes S16 S32. */
18376 nUF(vqdmulh, _vqdmulh, 3, (RNDQ, oRNDQ, RNDQ_RNSC), neon_qdmulh),
18377 nUF(vqdmulhq, _vqdmulh, 3, (RNQ, oRNQ, RNDQ_RNSC), neon_qdmulh),
18378 nUF(vqrdmulh, _vqrdmulh, 3, (RNDQ, oRNDQ, RNDQ_RNSC), neon_qdmulh),
18379 nUF(vqrdmulhq, _vqrdmulh, 3, (RNQ, oRNQ, RNDQ_RNSC), neon_qdmulh),
18380 NUF(vacge, 0000e10, 3, (RNDQ, oRNDQ, RNDQ), neon_fcmp_absolute),
18381 NUF(vacgeq, 0000e10, 3, (RNQ, oRNQ, RNQ), neon_fcmp_absolute),
18382 NUF(vacgt, 0200e10, 3, (RNDQ, oRNDQ, RNDQ), neon_fcmp_absolute),
18383 NUF(vacgtq, 0200e10, 3, (RNQ, oRNQ, RNQ), neon_fcmp_absolute),
18384 NUF(vaclt, 0200e10, 3, (RNDQ, oRNDQ, RNDQ), neon_fcmp_absolute_inv),
18385 NUF(vacltq, 0200e10, 3, (RNQ, oRNQ, RNQ), neon_fcmp_absolute_inv),
18386 NUF(vacle, 0000e10, 3, (RNDQ, oRNDQ, RNDQ), neon_fcmp_absolute_inv),
18387 NUF(vacleq, 0000e10, 3, (RNQ, oRNQ, RNQ), neon_fcmp_absolute_inv),
18388 NUF(vrecps, 0000f10, 3, (RNDQ, oRNDQ, RNDQ), neon_step),
18389 NUF(vrecpsq, 0000f10, 3, (RNQ, oRNQ, RNQ), neon_step),
18390 NUF(vrsqrts, 0200f10, 3, (RNDQ, oRNDQ, RNDQ), neon_step),
18391 NUF(vrsqrtsq, 0200f10, 3, (RNQ, oRNQ, RNQ), neon_step),
18393 /* Two address, int/float. Types S8 S16 S32 F32. */
18394 NUF(vabsq, 1b10300, 2, (RNQ, RNQ), neon_abs_neg),
18395 NUF(vnegq, 1b10380, 2, (RNQ, RNQ), neon_abs_neg),
18397 /* Data processing with two registers and a shift amount. */
18398 /* Right shifts, and variants with rounding.
18399 Types accepted S8 S16 S32 S64 U8 U16 U32 U64. */
18400 NUF(vshr, 0800010, 3, (RNDQ, oRNDQ, I64z), neon_rshift_round_imm),
18401 NUF(vshrq, 0800010, 3, (RNQ, oRNQ, I64z), neon_rshift_round_imm),
18402 NUF(vrshr, 0800210, 3, (RNDQ, oRNDQ, I64z), neon_rshift_round_imm),
18403 NUF(vrshrq, 0800210, 3, (RNQ, oRNQ, I64z), neon_rshift_round_imm),
18404 NUF(vsra, 0800110, 3, (RNDQ, oRNDQ, I64), neon_rshift_round_imm),
18405 NUF(vsraq, 0800110, 3, (RNQ, oRNQ, I64), neon_rshift_round_imm),
18406 NUF(vrsra, 0800310, 3, (RNDQ, oRNDQ, I64), neon_rshift_round_imm),
18407 NUF(vrsraq, 0800310, 3, (RNQ, oRNQ, I64), neon_rshift_round_imm),
18408 /* Shift and insert. Sizes accepted 8 16 32 64. */
18409 NUF(vsli, 1800510, 3, (RNDQ, oRNDQ, I63), neon_sli),
18410 NUF(vsliq, 1800510, 3, (RNQ, oRNQ, I63), neon_sli),
18411 NUF(vsri, 1800410, 3, (RNDQ, oRNDQ, I64), neon_sri),
18412 NUF(vsriq, 1800410, 3, (RNQ, oRNQ, I64), neon_sri),
18413 /* QSHL{U} immediate accepts S8 S16 S32 S64 U8 U16 U32 U64. */
18414 NUF(vqshlu, 1800610, 3, (RNDQ, oRNDQ, I63), neon_qshlu_imm),
18415 NUF(vqshluq, 1800610, 3, (RNQ, oRNQ, I63), neon_qshlu_imm),
18416 /* Right shift immediate, saturating & narrowing, with rounding variants.
18417 Types accepted S16 S32 S64 U16 U32 U64. */
18418 NUF(vqshrn, 0800910, 3, (RND, RNQ, I32z), neon_rshift_sat_narrow),
18419 NUF(vqrshrn, 0800950, 3, (RND, RNQ, I32z), neon_rshift_sat_narrow),
18420 /* As above, unsigned. Types accepted S16 S32 S64. */
18421 NUF(vqshrun, 0800810, 3, (RND, RNQ, I32z), neon_rshift_sat_narrow_u),
18422 NUF(vqrshrun, 0800850, 3, (RND, RNQ, I32z), neon_rshift_sat_narrow_u),
18423 /* Right shift narrowing. Types accepted I16 I32 I64. */
18424 NUF(vshrn, 0800810, 3, (RND, RNQ, I32z), neon_rshift_narrow),
18425 NUF(vrshrn, 0800850, 3, (RND, RNQ, I32z), neon_rshift_narrow),
18426 /* Special case. Types S8 S16 S32 U8 U16 U32. Handles max shift variant. */
18427 nUF(vshll, _vshll, 3, (RNQ, RND, I32), neon_shll),
18428 /* CVT with optional immediate for fixed-point variant. */
18429 nUF(vcvtq, _vcvt, 3, (RNQ, RNQ, oI32b), neon_cvt),
18431 nUF(vmvn, _vmvn, 2, (RNDQ, RNDQ_Ibig), neon_mvn),
18432 nUF(vmvnq, _vmvn, 2, (RNQ, RNDQ_Ibig), neon_mvn),
18434 /* Data processing, three registers of different lengths. */
18435 /* Dyadic, long insns. Types S8 S16 S32 U8 U16 U32. */
18436 NUF(vabal, 0800500, 3, (RNQ, RND, RND), neon_abal),
18437 NUF(vabdl, 0800700, 3, (RNQ, RND, RND), neon_dyadic_long),
18438 NUF(vaddl, 0800000, 3, (RNQ, RND, RND), neon_dyadic_long),
18439 NUF(vsubl, 0800200, 3, (RNQ, RND, RND), neon_dyadic_long),
18440 /* If not scalar, fall back to neon_dyadic_long.
18441 Vector types as above, scalar types S16 S32 U16 U32. */
18442 nUF(vmlal, _vmlal, 3, (RNQ, RND, RND_RNSC), neon_mac_maybe_scalar_long),
18443 nUF(vmlsl, _vmlsl, 3, (RNQ, RND, RND_RNSC), neon_mac_maybe_scalar_long),
18444 /* Dyadic, widening insns. Types S8 S16 S32 U8 U16 U32. */
18445 NUF(vaddw, 0800100, 3, (RNQ, oRNQ, RND), neon_dyadic_wide),
18446 NUF(vsubw, 0800300, 3, (RNQ, oRNQ, RND), neon_dyadic_wide),
18447 /* Dyadic, narrowing insns. Types I16 I32 I64. */
18448 NUF(vaddhn, 0800400, 3, (RND, RNQ, RNQ), neon_dyadic_narrow),
18449 NUF(vraddhn, 1800400, 3, (RND, RNQ, RNQ), neon_dyadic_narrow),
18450 NUF(vsubhn, 0800600, 3, (RND, RNQ, RNQ), neon_dyadic_narrow),
18451 NUF(vrsubhn, 1800600, 3, (RND, RNQ, RNQ), neon_dyadic_narrow),
18452 /* Saturating doubling multiplies. Types S16 S32. */
18453 nUF(vqdmlal, _vqdmlal, 3, (RNQ, RND, RND_RNSC), neon_mul_sat_scalar_long),
18454 nUF(vqdmlsl, _vqdmlsl, 3, (RNQ, RND, RND_RNSC), neon_mul_sat_scalar_long),
18455 nUF(vqdmull, _vqdmull, 3, (RNQ, RND, RND_RNSC), neon_mul_sat_scalar_long),
18456 /* VMULL. Vector types S8 S16 S32 U8 U16 U32 P8, scalar types
18457 S16 S32 U16 U32. */
18458 nUF(vmull, _vmull, 3, (RNQ, RND, RND_RNSC), neon_vmull),
18460 /* Extract. Size 8. */
18461 NUF(vext, 0b00000, 4, (RNDQ, oRNDQ, RNDQ, I15), neon_ext),
18462 NUF(vextq, 0b00000, 4, (RNQ, oRNQ, RNQ, I15), neon_ext),
18464 /* Two registers, miscellaneous. */
18465 /* Reverse. Sizes 8 16 32 (must be < size in opcode). */
18466 NUF(vrev64, 1b00000, 2, (RNDQ, RNDQ), neon_rev),
18467 NUF(vrev64q, 1b00000, 2, (RNQ, RNQ), neon_rev),
18468 NUF(vrev32, 1b00080, 2, (RNDQ, RNDQ), neon_rev),
18469 NUF(vrev32q, 1b00080, 2, (RNQ, RNQ), neon_rev),
18470 NUF(vrev16, 1b00100, 2, (RNDQ, RNDQ), neon_rev),
18471 NUF(vrev16q, 1b00100, 2, (RNQ, RNQ), neon_rev),
18472 /* Vector replicate. Sizes 8 16 32. */
18473 nCE(vdup, _vdup, 2, (RNDQ, RR_RNSC), neon_dup),
18474 nCE(vdupq, _vdup, 2, (RNQ, RR_RNSC), neon_dup),
18475 /* VMOVL. Types S8 S16 S32 U8 U16 U32. */
18476 NUF(vmovl, 0800a10, 2, (RNQ, RND), neon_movl),
18477 /* VMOVN. Types I16 I32 I64. */
18478 nUF(vmovn, _vmovn, 2, (RND, RNQ), neon_movn),
18479 /* VQMOVN. Types S16 S32 S64 U16 U32 U64. */
18480 nUF(vqmovn, _vqmovn, 2, (RND, RNQ), neon_qmovn),
18481 /* VQMOVUN. Types S16 S32 S64. */
18482 nUF(vqmovun, _vqmovun, 2, (RND, RNQ), neon_qmovun),
18483 /* VZIP / VUZP. Sizes 8 16 32. */
18484 NUF(vzip, 1b20180, 2, (RNDQ, RNDQ), neon_zip_uzp),
18485 NUF(vzipq, 1b20180, 2, (RNQ, RNQ), neon_zip_uzp),
18486 NUF(vuzp, 1b20100, 2, (RNDQ, RNDQ), neon_zip_uzp),
18487 NUF(vuzpq, 1b20100, 2, (RNQ, RNQ), neon_zip_uzp),
18488 /* VQABS / VQNEG. Types S8 S16 S32. */
18489 NUF(vqabs, 1b00700, 2, (RNDQ, RNDQ), neon_sat_abs_neg),
18490 NUF(vqabsq, 1b00700, 2, (RNQ, RNQ), neon_sat_abs_neg),
18491 NUF(vqneg, 1b00780, 2, (RNDQ, RNDQ), neon_sat_abs_neg),
18492 NUF(vqnegq, 1b00780, 2, (RNQ, RNQ), neon_sat_abs_neg),
18493 /* Pairwise, lengthening. Types S8 S16 S32 U8 U16 U32. */
18494 NUF(vpadal, 1b00600, 2, (RNDQ, RNDQ), neon_pair_long),
18495 NUF(vpadalq, 1b00600, 2, (RNQ, RNQ), neon_pair_long),
18496 NUF(vpaddl, 1b00200, 2, (RNDQ, RNDQ), neon_pair_long),
18497 NUF(vpaddlq, 1b00200, 2, (RNQ, RNQ), neon_pair_long),
18498 /* Reciprocal estimates. Types U32 F32. */
18499 NUF(vrecpe, 1b30400, 2, (RNDQ, RNDQ), neon_recip_est),
18500 NUF(vrecpeq, 1b30400, 2, (RNQ, RNQ), neon_recip_est),
18501 NUF(vrsqrte, 1b30480, 2, (RNDQ, RNDQ), neon_recip_est),
18502 NUF(vrsqrteq, 1b30480, 2, (RNQ, RNQ), neon_recip_est),
18503 /* VCLS. Types S8 S16 S32. */
18504 NUF(vcls, 1b00400, 2, (RNDQ, RNDQ), neon_cls),
18505 NUF(vclsq, 1b00400, 2, (RNQ, RNQ), neon_cls),
18506 /* VCLZ. Types I8 I16 I32. */
18507 NUF(vclz, 1b00480, 2, (RNDQ, RNDQ), neon_clz),
18508 NUF(vclzq, 1b00480, 2, (RNQ, RNQ), neon_clz),
18509 /* VCNT. Size 8. */
18510 NUF(vcnt, 1b00500, 2, (RNDQ, RNDQ), neon_cnt),
18511 NUF(vcntq, 1b00500, 2, (RNQ, RNQ), neon_cnt),
18512 /* Two address, untyped. */
18513 NUF(vswp, 1b20000, 2, (RNDQ, RNDQ), neon_swp),
18514 NUF(vswpq, 1b20000, 2, (RNQ, RNQ), neon_swp),
18515 /* VTRN. Sizes 8 16 32. */
18516 nUF(vtrn, _vtrn, 2, (RNDQ, RNDQ), neon_trn),
18517 nUF(vtrnq, _vtrn, 2, (RNQ, RNQ), neon_trn),
18519 /* Table lookup. Size 8. */
18520 NUF(vtbl, 1b00800, 3, (RND, NRDLST, RND), neon_tbl_tbx),
18521 NUF(vtbx, 1b00840, 3, (RND, NRDLST, RND), neon_tbl_tbx),
18523 #undef THUMB_VARIANT
18524 #define THUMB_VARIANT & fpu_vfp_v3_or_neon_ext
18526 #define ARM_VARIANT & fpu_vfp_v3_or_neon_ext
18528 /* Neon element/structure load/store. */
18529 nUF(vld1, _vld1, 2, (NSTRLST, ADDR), neon_ldx_stx),
18530 nUF(vst1, _vst1, 2, (NSTRLST, ADDR), neon_ldx_stx),
18531 nUF(vld2, _vld2, 2, (NSTRLST, ADDR), neon_ldx_stx),
18532 nUF(vst2, _vst2, 2, (NSTRLST, ADDR), neon_ldx_stx),
18533 nUF(vld3, _vld3, 2, (NSTRLST, ADDR), neon_ldx_stx),
18534 nUF(vst3, _vst3, 2, (NSTRLST, ADDR), neon_ldx_stx),
18535 nUF(vld4, _vld4, 2, (NSTRLST, ADDR), neon_ldx_stx),
18536 nUF(vst4, _vst4, 2, (NSTRLST, ADDR), neon_ldx_stx),
18538 #undef THUMB_VARIANT
18539 #define THUMB_VARIANT &fpu_vfp_ext_v3xd
18541 #define ARM_VARIANT &fpu_vfp_ext_v3xd
18542 cCE("fconsts", eb00a00, 2, (RVS, I255), vfp_sp_const),
18543 cCE("fshtos", eba0a40, 2, (RVS, I16z), vfp_sp_conv_16),
18544 cCE("fsltos", eba0ac0, 2, (RVS, I32), vfp_sp_conv_32),
18545 cCE("fuhtos", ebb0a40, 2, (RVS, I16z), vfp_sp_conv_16),
18546 cCE("fultos", ebb0ac0, 2, (RVS, I32), vfp_sp_conv_32),
18547 cCE("ftoshs", ebe0a40, 2, (RVS, I16z), vfp_sp_conv_16),
18548 cCE("ftosls", ebe0ac0, 2, (RVS, I32), vfp_sp_conv_32),
18549 cCE("ftouhs", ebf0a40, 2, (RVS, I16z), vfp_sp_conv_16),
18550 cCE("ftouls", ebf0ac0, 2, (RVS, I32), vfp_sp_conv_32),
18552 #undef THUMB_VARIANT
18553 #define THUMB_VARIANT & fpu_vfp_ext_v3
18555 #define ARM_VARIANT & fpu_vfp_ext_v3
18557 cCE("fconstd", eb00b00, 2, (RVD, I255), vfp_dp_const),
18558 cCE("fshtod", eba0b40, 2, (RVD, I16z), vfp_dp_conv_16),
18559 cCE("fsltod", eba0bc0, 2, (RVD, I32), vfp_dp_conv_32),
18560 cCE("fuhtod", ebb0b40, 2, (RVD, I16z), vfp_dp_conv_16),
18561 cCE("fultod", ebb0bc0, 2, (RVD, I32), vfp_dp_conv_32),
18562 cCE("ftoshd", ebe0b40, 2, (RVD, I16z), vfp_dp_conv_16),
18563 cCE("ftosld", ebe0bc0, 2, (RVD, I32), vfp_dp_conv_32),
18564 cCE("ftouhd", ebf0b40, 2, (RVD, I16z), vfp_dp_conv_16),
18565 cCE("ftould", ebf0bc0, 2, (RVD, I32), vfp_dp_conv_32),
18568 #define ARM_VARIANT &fpu_vfp_ext_fma
18569 #undef THUMB_VARIANT
18570 #define THUMB_VARIANT &fpu_vfp_ext_fma
18571 /* Mnemonics shared by Neon and VFP. These are included in the
18572 VFP FMA variant; NEON and VFP FMA always includes the NEON
18573 FMA instructions. */
18574 nCEF(vfma, _vfma, 3, (RNSDQ, oRNSDQ, RNSDQ), neon_fmac),
18575 nCEF(vfms, _vfms, 3, (RNSDQ, oRNSDQ, RNSDQ), neon_fmac),
18576 /* ffmas/ffmad/ffmss/ffmsd are dummy mnemonics to satisfy gas;
18577 the v form should always be used. */
18578 cCE("ffmas", ea00a00, 3, (RVS, RVS, RVS), vfp_sp_dyadic),
18579 cCE("ffnmas", ea00a40, 3, (RVS, RVS, RVS), vfp_sp_dyadic),
18580 cCE("ffmad", ea00b00, 3, (RVD, RVD, RVD), vfp_dp_rd_rn_rm),
18581 cCE("ffnmad", ea00b40, 3, (RVD, RVD, RVD), vfp_dp_rd_rn_rm),
18582 nCE(vfnma, _vfnma, 3, (RVSD, RVSD, RVSD), vfp_nsyn_nmul),
18583 nCE(vfnms, _vfnms, 3, (RVSD, RVSD, RVSD), vfp_nsyn_nmul),
18585 #undef THUMB_VARIANT
18587 #define ARM_VARIANT & arm_cext_xscale /* Intel XScale extensions. */
18589 cCE("mia", e200010, 3, (RXA, RRnpc, RRnpc), xsc_mia),
18590 cCE("miaph", e280010, 3, (RXA, RRnpc, RRnpc), xsc_mia),
18591 cCE("miabb", e2c0010, 3, (RXA, RRnpc, RRnpc), xsc_mia),
18592 cCE("miabt", e2d0010, 3, (RXA, RRnpc, RRnpc), xsc_mia),
18593 cCE("miatb", e2e0010, 3, (RXA, RRnpc, RRnpc), xsc_mia),
18594 cCE("miatt", e2f0010, 3, (RXA, RRnpc, RRnpc), xsc_mia),
18595 cCE("mar", c400000, 3, (RXA, RRnpc, RRnpc), xsc_mar),
18596 cCE("mra", c500000, 3, (RRnpc, RRnpc, RXA), xsc_mra),
18599 #define ARM_VARIANT & arm_cext_iwmmxt /* Intel Wireless MMX technology. */
18601 cCE("tandcb", e13f130, 1, (RR), iwmmxt_tandorc),
18602 cCE("tandch", e53f130, 1, (RR), iwmmxt_tandorc),
18603 cCE("tandcw", e93f130, 1, (RR), iwmmxt_tandorc),
18604 cCE("tbcstb", e400010, 2, (RIWR, RR), rn_rd),
18605 cCE("tbcsth", e400050, 2, (RIWR, RR), rn_rd),
18606 cCE("tbcstw", e400090, 2, (RIWR, RR), rn_rd),
18607 cCE("textrcb", e130170, 2, (RR, I7), iwmmxt_textrc),
18608 cCE("textrch", e530170, 2, (RR, I7), iwmmxt_textrc),
18609 cCE("textrcw", e930170, 2, (RR, I7), iwmmxt_textrc),
18610 cCE("textrmub", e100070, 3, (RR, RIWR, I7), iwmmxt_textrm),
18611 cCE("textrmuh", e500070, 3, (RR, RIWR, I7), iwmmxt_textrm),
18612 cCE("textrmuw", e900070, 3, (RR, RIWR, I7), iwmmxt_textrm),
18613 cCE("textrmsb", e100078, 3, (RR, RIWR, I7), iwmmxt_textrm),
18614 cCE("textrmsh", e500078, 3, (RR, RIWR, I7), iwmmxt_textrm),
18615 cCE("textrmsw", e900078, 3, (RR, RIWR, I7), iwmmxt_textrm),
18616 cCE("tinsrb", e600010, 3, (RIWR, RR, I7), iwmmxt_tinsr),
18617 cCE("tinsrh", e600050, 3, (RIWR, RR, I7), iwmmxt_tinsr),
18618 cCE("tinsrw", e600090, 3, (RIWR, RR, I7), iwmmxt_tinsr),
18619 cCE("tmcr", e000110, 2, (RIWC_RIWG, RR), rn_rd),
18620 cCE("tmcrr", c400000, 3, (RIWR, RR, RR), rm_rd_rn),
18621 cCE("tmia", e200010, 3, (RIWR, RR, RR), iwmmxt_tmia),
18622 cCE("tmiaph", e280010, 3, (RIWR, RR, RR), iwmmxt_tmia),
18623 cCE("tmiabb", e2c0010, 3, (RIWR, RR, RR), iwmmxt_tmia),
18624 cCE("tmiabt", e2d0010, 3, (RIWR, RR, RR), iwmmxt_tmia),
18625 cCE("tmiatb", e2e0010, 3, (RIWR, RR, RR), iwmmxt_tmia),
18626 cCE("tmiatt", e2f0010, 3, (RIWR, RR, RR), iwmmxt_tmia),
18627 cCE("tmovmskb", e100030, 2, (RR, RIWR), rd_rn),
18628 cCE("tmovmskh", e500030, 2, (RR, RIWR), rd_rn),
18629 cCE("tmovmskw", e900030, 2, (RR, RIWR), rd_rn),
18630 cCE("tmrc", e100110, 2, (RR, RIWC_RIWG), rd_rn),
18631 cCE("tmrrc", c500000, 3, (RR, RR, RIWR), rd_rn_rm),
18632 cCE("torcb", e13f150, 1, (RR), iwmmxt_tandorc),
18633 cCE("torch", e53f150, 1, (RR), iwmmxt_tandorc),
18634 cCE("torcw", e93f150, 1, (RR), iwmmxt_tandorc),
18635 cCE("waccb", e0001c0, 2, (RIWR, RIWR), rd_rn),
18636 cCE("wacch", e4001c0, 2, (RIWR, RIWR), rd_rn),
18637 cCE("waccw", e8001c0, 2, (RIWR, RIWR), rd_rn),
18638 cCE("waddbss", e300180, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18639 cCE("waddb", e000180, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18640 cCE("waddbus", e100180, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18641 cCE("waddhss", e700180, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18642 cCE("waddh", e400180, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18643 cCE("waddhus", e500180, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18644 cCE("waddwss", eb00180, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18645 cCE("waddw", e800180, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18646 cCE("waddwus", e900180, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18647 cCE("waligni", e000020, 4, (RIWR, RIWR, RIWR, I7), iwmmxt_waligni),
18648 cCE("walignr0", e800020, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18649 cCE("walignr1", e900020, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18650 cCE("walignr2", ea00020, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18651 cCE("walignr3", eb00020, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18652 cCE("wand", e200000, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18653 cCE("wandn", e300000, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18654 cCE("wavg2b", e800000, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18655 cCE("wavg2br", e900000, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18656 cCE("wavg2h", ec00000, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18657 cCE("wavg2hr", ed00000, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18658 cCE("wcmpeqb", e000060, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18659 cCE("wcmpeqh", e400060, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18660 cCE("wcmpeqw", e800060, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18661 cCE("wcmpgtub", e100060, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18662 cCE("wcmpgtuh", e500060, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18663 cCE("wcmpgtuw", e900060, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18664 cCE("wcmpgtsb", e300060, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18665 cCE("wcmpgtsh", e700060, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18666 cCE("wcmpgtsw", eb00060, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18667 cCE("wldrb", c100000, 2, (RIWR, ADDR), iwmmxt_wldstbh),
18668 cCE("wldrh", c500000, 2, (RIWR, ADDR), iwmmxt_wldstbh),
18669 cCE("wldrw", c100100, 2, (RIWR_RIWC, ADDR), iwmmxt_wldstw),
18670 cCE("wldrd", c500100, 2, (RIWR, ADDR), iwmmxt_wldstd),
18671 cCE("wmacs", e600100, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18672 cCE("wmacsz", e700100, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18673 cCE("wmacu", e400100, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18674 cCE("wmacuz", e500100, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18675 cCE("wmadds", ea00100, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18676 cCE("wmaddu", e800100, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18677 cCE("wmaxsb", e200160, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18678 cCE("wmaxsh", e600160, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18679 cCE("wmaxsw", ea00160, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18680 cCE("wmaxub", e000160, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18681 cCE("wmaxuh", e400160, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18682 cCE("wmaxuw", e800160, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18683 cCE("wminsb", e300160, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18684 cCE("wminsh", e700160, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18685 cCE("wminsw", eb00160, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18686 cCE("wminub", e100160, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18687 cCE("wminuh", e500160, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18688 cCE("wminuw", e900160, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18689 cCE("wmov", e000000, 2, (RIWR, RIWR), iwmmxt_wmov),
18690 cCE("wmulsm", e300100, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18691 cCE("wmulsl", e200100, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18692 cCE("wmulum", e100100, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18693 cCE("wmulul", e000100, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18694 cCE("wor", e000000, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18695 cCE("wpackhss", e700080, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18696 cCE("wpackhus", e500080, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18697 cCE("wpackwss", eb00080, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18698 cCE("wpackwus", e900080, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18699 cCE("wpackdss", ef00080, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18700 cCE("wpackdus", ed00080, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18701 cCE("wrorh", e700040, 3, (RIWR, RIWR, RIWR_I32z),iwmmxt_wrwrwr_or_imm5),
18702 cCE("wrorhg", e700148, 3, (RIWR, RIWR, RIWG), rd_rn_rm),
18703 cCE("wrorw", eb00040, 3, (RIWR, RIWR, RIWR_I32z),iwmmxt_wrwrwr_or_imm5),
18704 cCE("wrorwg", eb00148, 3, (RIWR, RIWR, RIWG), rd_rn_rm),
18705 cCE("wrord", ef00040, 3, (RIWR, RIWR, RIWR_I32z),iwmmxt_wrwrwr_or_imm5),
18706 cCE("wrordg", ef00148, 3, (RIWR, RIWR, RIWG), rd_rn_rm),
18707 cCE("wsadb", e000120, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18708 cCE("wsadbz", e100120, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18709 cCE("wsadh", e400120, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18710 cCE("wsadhz", e500120, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18711 cCE("wshufh", e0001e0, 3, (RIWR, RIWR, I255), iwmmxt_wshufh),
18712 cCE("wsllh", e500040, 3, (RIWR, RIWR, RIWR_I32z),iwmmxt_wrwrwr_or_imm5),
18713 cCE("wsllhg", e500148, 3, (RIWR, RIWR, RIWG), rd_rn_rm),
18714 cCE("wsllw", e900040, 3, (RIWR, RIWR, RIWR_I32z),iwmmxt_wrwrwr_or_imm5),
18715 cCE("wsllwg", e900148, 3, (RIWR, RIWR, RIWG), rd_rn_rm),
18716 cCE("wslld", ed00040, 3, (RIWR, RIWR, RIWR_I32z),iwmmxt_wrwrwr_or_imm5),
18717 cCE("wslldg", ed00148, 3, (RIWR, RIWR, RIWG), rd_rn_rm),
18718 cCE("wsrah", e400040, 3, (RIWR, RIWR, RIWR_I32z),iwmmxt_wrwrwr_or_imm5),
18719 cCE("wsrahg", e400148, 3, (RIWR, RIWR, RIWG), rd_rn_rm),
18720 cCE("wsraw", e800040, 3, (RIWR, RIWR, RIWR_I32z),iwmmxt_wrwrwr_or_imm5),
18721 cCE("wsrawg", e800148, 3, (RIWR, RIWR, RIWG), rd_rn_rm),
18722 cCE("wsrad", ec00040, 3, (RIWR, RIWR, RIWR_I32z),iwmmxt_wrwrwr_or_imm5),
18723 cCE("wsradg", ec00148, 3, (RIWR, RIWR, RIWG), rd_rn_rm),
18724 cCE("wsrlh", e600040, 3, (RIWR, RIWR, RIWR_I32z),iwmmxt_wrwrwr_or_imm5),
18725 cCE("wsrlhg", e600148, 3, (RIWR, RIWR, RIWG), rd_rn_rm),
18726 cCE("wsrlw", ea00040, 3, (RIWR, RIWR, RIWR_I32z),iwmmxt_wrwrwr_or_imm5),
18727 cCE("wsrlwg", ea00148, 3, (RIWR, RIWR, RIWG), rd_rn_rm),
18728 cCE("wsrld", ee00040, 3, (RIWR, RIWR, RIWR_I32z),iwmmxt_wrwrwr_or_imm5),
18729 cCE("wsrldg", ee00148, 3, (RIWR, RIWR, RIWG), rd_rn_rm),
18730 cCE("wstrb", c000000, 2, (RIWR, ADDR), iwmmxt_wldstbh),
18731 cCE("wstrh", c400000, 2, (RIWR, ADDR), iwmmxt_wldstbh),
18732 cCE("wstrw", c000100, 2, (RIWR_RIWC, ADDR), iwmmxt_wldstw),
18733 cCE("wstrd", c400100, 2, (RIWR, ADDR), iwmmxt_wldstd),
18734 cCE("wsubbss", e3001a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18735 cCE("wsubb", e0001a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18736 cCE("wsubbus", e1001a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18737 cCE("wsubhss", e7001a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18738 cCE("wsubh", e4001a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18739 cCE("wsubhus", e5001a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18740 cCE("wsubwss", eb001a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18741 cCE("wsubw", e8001a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18742 cCE("wsubwus", e9001a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18743 cCE("wunpckehub",e0000c0, 2, (RIWR, RIWR), rd_rn),
18744 cCE("wunpckehuh",e4000c0, 2, (RIWR, RIWR), rd_rn),
18745 cCE("wunpckehuw",e8000c0, 2, (RIWR, RIWR), rd_rn),
18746 cCE("wunpckehsb",e2000c0, 2, (RIWR, RIWR), rd_rn),
18747 cCE("wunpckehsh",e6000c0, 2, (RIWR, RIWR), rd_rn),
18748 cCE("wunpckehsw",ea000c0, 2, (RIWR, RIWR), rd_rn),
18749 cCE("wunpckihb", e1000c0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18750 cCE("wunpckihh", e5000c0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18751 cCE("wunpckihw", e9000c0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18752 cCE("wunpckelub",e0000e0, 2, (RIWR, RIWR), rd_rn),
18753 cCE("wunpckeluh",e4000e0, 2, (RIWR, RIWR), rd_rn),
18754 cCE("wunpckeluw",e8000e0, 2, (RIWR, RIWR), rd_rn),
18755 cCE("wunpckelsb",e2000e0, 2, (RIWR, RIWR), rd_rn),
18756 cCE("wunpckelsh",e6000e0, 2, (RIWR, RIWR), rd_rn),
18757 cCE("wunpckelsw",ea000e0, 2, (RIWR, RIWR), rd_rn),
18758 cCE("wunpckilb", e1000e0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18759 cCE("wunpckilh", e5000e0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18760 cCE("wunpckilw", e9000e0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18761 cCE("wxor", e100000, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18762 cCE("wzero", e300000, 1, (RIWR), iwmmxt_wzero),
18765 #define ARM_VARIANT & arm_cext_iwmmxt2 /* Intel Wireless MMX technology, version 2. */
18767 cCE("torvscb", e12f190, 1, (RR), iwmmxt_tandorc),
18768 cCE("torvsch", e52f190, 1, (RR), iwmmxt_tandorc),
18769 cCE("torvscw", e92f190, 1, (RR), iwmmxt_tandorc),
18770 cCE("wabsb", e2001c0, 2, (RIWR, RIWR), rd_rn),
18771 cCE("wabsh", e6001c0, 2, (RIWR, RIWR), rd_rn),
18772 cCE("wabsw", ea001c0, 2, (RIWR, RIWR), rd_rn),
18773 cCE("wabsdiffb", e1001c0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18774 cCE("wabsdiffh", e5001c0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18775 cCE("wabsdiffw", e9001c0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18776 cCE("waddbhusl", e2001a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18777 cCE("waddbhusm", e6001a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18778 cCE("waddhc", e600180, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18779 cCE("waddwc", ea00180, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18780 cCE("waddsubhx", ea001a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18781 cCE("wavg4", e400000, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18782 cCE("wavg4r", e500000, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18783 cCE("wmaddsn", ee00100, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18784 cCE("wmaddsx", eb00100, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18785 cCE("wmaddun", ec00100, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18786 cCE("wmaddux", e900100, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18787 cCE("wmerge", e000080, 4, (RIWR, RIWR, RIWR, I7), iwmmxt_wmerge),
18788 cCE("wmiabb", e0000a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18789 cCE("wmiabt", e1000a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18790 cCE("wmiatb", e2000a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18791 cCE("wmiatt", e3000a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18792 cCE("wmiabbn", e4000a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18793 cCE("wmiabtn", e5000a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18794 cCE("wmiatbn", e6000a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18795 cCE("wmiattn", e7000a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18796 cCE("wmiawbb", e800120, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18797 cCE("wmiawbt", e900120, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18798 cCE("wmiawtb", ea00120, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18799 cCE("wmiawtt", eb00120, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18800 cCE("wmiawbbn", ec00120, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18801 cCE("wmiawbtn", ed00120, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18802 cCE("wmiawtbn", ee00120, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18803 cCE("wmiawttn", ef00120, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18804 cCE("wmulsmr", ef00100, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18805 cCE("wmulumr", ed00100, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18806 cCE("wmulwumr", ec000c0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18807 cCE("wmulwsmr", ee000c0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18808 cCE("wmulwum", ed000c0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18809 cCE("wmulwsm", ef000c0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18810 cCE("wmulwl", eb000c0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18811 cCE("wqmiabb", e8000a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18812 cCE("wqmiabt", e9000a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18813 cCE("wqmiatb", ea000a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18814 cCE("wqmiatt", eb000a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18815 cCE("wqmiabbn", ec000a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18816 cCE("wqmiabtn", ed000a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18817 cCE("wqmiatbn", ee000a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18818 cCE("wqmiattn", ef000a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18819 cCE("wqmulm", e100080, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18820 cCE("wqmulmr", e300080, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18821 cCE("wqmulwm", ec000e0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18822 cCE("wqmulwmr", ee000e0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18823 cCE("wsubaddhx", ed001c0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
18826 #define ARM_VARIANT & arm_cext_maverick /* Cirrus Maverick instructions. */
18828 cCE("cfldrs", c100400, 2, (RMF, ADDRGLDC), rd_cpaddr),
18829 cCE("cfldrd", c500400, 2, (RMD, ADDRGLDC), rd_cpaddr),
18830 cCE("cfldr32", c100500, 2, (RMFX, ADDRGLDC), rd_cpaddr),
18831 cCE("cfldr64", c500500, 2, (RMDX, ADDRGLDC), rd_cpaddr),
18832 cCE("cfstrs", c000400, 2, (RMF, ADDRGLDC), rd_cpaddr),
18833 cCE("cfstrd", c400400, 2, (RMD, ADDRGLDC), rd_cpaddr),
18834 cCE("cfstr32", c000500, 2, (RMFX, ADDRGLDC), rd_cpaddr),
18835 cCE("cfstr64", c400500, 2, (RMDX, ADDRGLDC), rd_cpaddr),
18836 cCE("cfmvsr", e000450, 2, (RMF, RR), rn_rd),
18837 cCE("cfmvrs", e100450, 2, (RR, RMF), rd_rn),
18838 cCE("cfmvdlr", e000410, 2, (RMD, RR), rn_rd),
18839 cCE("cfmvrdl", e100410, 2, (RR, RMD), rd_rn),
18840 cCE("cfmvdhr", e000430, 2, (RMD, RR), rn_rd),
18841 cCE("cfmvrdh", e100430, 2, (RR, RMD), rd_rn),
18842 cCE("cfmv64lr", e000510, 2, (RMDX, RR), rn_rd),
18843 cCE("cfmvr64l", e100510, 2, (RR, RMDX), rd_rn),
18844 cCE("cfmv64hr", e000530, 2, (RMDX, RR), rn_rd),
18845 cCE("cfmvr64h", e100530, 2, (RR, RMDX), rd_rn),
18846 cCE("cfmval32", e200440, 2, (RMAX, RMFX), rd_rn),
18847 cCE("cfmv32al", e100440, 2, (RMFX, RMAX), rd_rn),
18848 cCE("cfmvam32", e200460, 2, (RMAX, RMFX), rd_rn),
18849 cCE("cfmv32am", e100460, 2, (RMFX, RMAX), rd_rn),
18850 cCE("cfmvah32", e200480, 2, (RMAX, RMFX), rd_rn),
18851 cCE("cfmv32ah", e100480, 2, (RMFX, RMAX), rd_rn),
18852 cCE("cfmva32", e2004a0, 2, (RMAX, RMFX), rd_rn),
18853 cCE("cfmv32a", e1004a0, 2, (RMFX, RMAX), rd_rn),
18854 cCE("cfmva64", e2004c0, 2, (RMAX, RMDX), rd_rn),
18855 cCE("cfmv64a", e1004c0, 2, (RMDX, RMAX), rd_rn),
18856 cCE("cfmvsc32", e2004e0, 2, (RMDS, RMDX), mav_dspsc),
18857 cCE("cfmv32sc", e1004e0, 2, (RMDX, RMDS), rd),
18858 cCE("cfcpys", e000400, 2, (RMF, RMF), rd_rn),
18859 cCE("cfcpyd", e000420, 2, (RMD, RMD), rd_rn),
18860 cCE("cfcvtsd", e000460, 2, (RMD, RMF), rd_rn),
18861 cCE("cfcvtds", e000440, 2, (RMF, RMD), rd_rn),
18862 cCE("cfcvt32s", e000480, 2, (RMF, RMFX), rd_rn),
18863 cCE("cfcvt32d", e0004a0, 2, (RMD, RMFX), rd_rn),
18864 cCE("cfcvt64s", e0004c0, 2, (RMF, RMDX), rd_rn),
18865 cCE("cfcvt64d", e0004e0, 2, (RMD, RMDX), rd_rn),
18866 cCE("cfcvts32", e100580, 2, (RMFX, RMF), rd_rn),
18867 cCE("cfcvtd32", e1005a0, 2, (RMFX, RMD), rd_rn),
18868 cCE("cftruncs32",e1005c0, 2, (RMFX, RMF), rd_rn),
18869 cCE("cftruncd32",e1005e0, 2, (RMFX, RMD), rd_rn),
18870 cCE("cfrshl32", e000550, 3, (RMFX, RMFX, RR), mav_triple),
18871 cCE("cfrshl64", e000570, 3, (RMDX, RMDX, RR), mav_triple),
18872 cCE("cfsh32", e000500, 3, (RMFX, RMFX, I63s), mav_shift),
18873 cCE("cfsh64", e200500, 3, (RMDX, RMDX, I63s), mav_shift),
18874 cCE("cfcmps", e100490, 3, (RR, RMF, RMF), rd_rn_rm),
18875 cCE("cfcmpd", e1004b0, 3, (RR, RMD, RMD), rd_rn_rm),
18876 cCE("cfcmp32", e100590, 3, (RR, RMFX, RMFX), rd_rn_rm),
18877 cCE("cfcmp64", e1005b0, 3, (RR, RMDX, RMDX), rd_rn_rm),
18878 cCE("cfabss", e300400, 2, (RMF, RMF), rd_rn),
18879 cCE("cfabsd", e300420, 2, (RMD, RMD), rd_rn),
18880 cCE("cfnegs", e300440, 2, (RMF, RMF), rd_rn),
18881 cCE("cfnegd", e300460, 2, (RMD, RMD), rd_rn),
18882 cCE("cfadds", e300480, 3, (RMF, RMF, RMF), rd_rn_rm),
18883 cCE("cfaddd", e3004a0, 3, (RMD, RMD, RMD), rd_rn_rm),
18884 cCE("cfsubs", e3004c0, 3, (RMF, RMF, RMF), rd_rn_rm),
18885 cCE("cfsubd", e3004e0, 3, (RMD, RMD, RMD), rd_rn_rm),
18886 cCE("cfmuls", e100400, 3, (RMF, RMF, RMF), rd_rn_rm),
18887 cCE("cfmuld", e100420, 3, (RMD, RMD, RMD), rd_rn_rm),
18888 cCE("cfabs32", e300500, 2, (RMFX, RMFX), rd_rn),
18889 cCE("cfabs64", e300520, 2, (RMDX, RMDX), rd_rn),
18890 cCE("cfneg32", e300540, 2, (RMFX, RMFX), rd_rn),
18891 cCE("cfneg64", e300560, 2, (RMDX, RMDX), rd_rn),
18892 cCE("cfadd32", e300580, 3, (RMFX, RMFX, RMFX), rd_rn_rm),
18893 cCE("cfadd64", e3005a0, 3, (RMDX, RMDX, RMDX), rd_rn_rm),
18894 cCE("cfsub32", e3005c0, 3, (RMFX, RMFX, RMFX), rd_rn_rm),
18895 cCE("cfsub64", e3005e0, 3, (RMDX, RMDX, RMDX), rd_rn_rm),
18896 cCE("cfmul32", e100500, 3, (RMFX, RMFX, RMFX), rd_rn_rm),
18897 cCE("cfmul64", e100520, 3, (RMDX, RMDX, RMDX), rd_rn_rm),
18898 cCE("cfmac32", e100540, 3, (RMFX, RMFX, RMFX), rd_rn_rm),
18899 cCE("cfmsc32", e100560, 3, (RMFX, RMFX, RMFX), rd_rn_rm),
18900 cCE("cfmadd32", e000600, 4, (RMAX, RMFX, RMFX, RMFX), mav_quad),
18901 cCE("cfmsub32", e100600, 4, (RMAX, RMFX, RMFX, RMFX), mav_quad),
18902 cCE("cfmadda32", e200600, 4, (RMAX, RMAX, RMFX, RMFX), mav_quad),
18903 cCE("cfmsuba32", e300600, 4, (RMAX, RMAX, RMFX, RMFX), mav_quad),
18906 #undef THUMB_VARIANT
18933 /* MD interface: bits in the object file. */
18935 /* Turn an integer of n bytes (in val) into a stream of bytes appropriate
18936 for use in the a.out file, and stores them in the array pointed to by buf.
18937 This knows about the endian-ness of the target machine and does
18938 THE RIGHT THING, whatever it is. Possible values for n are 1 (byte)
18939 2 (short) and 4 (long) Floating numbers are put out as a series of
18940 LITTLENUMS (shorts, here at least). */
18943 md_number_to_chars (char * buf, valueT val, int n)
18945 if (target_big_endian)
18946 number_to_chars_bigendian (buf, val, n);
18948 number_to_chars_littleendian (buf, val, n);
18952 md_chars_to_number (char * buf, int n)
18955 unsigned char * where = (unsigned char *) buf;
18957 if (target_big_endian)
18962 result |= (*where++ & 255);
18970 result |= (where[n] & 255);
18977 /* MD interface: Sections. */
18979 /* Estimate the size of a frag before relaxing. Assume everything fits in
18983 md_estimate_size_before_relax (fragS * fragp,
18984 segT segtype ATTRIBUTE_UNUSED)
18990 /* Convert a machine dependent frag. */
18993 md_convert_frag (bfd *abfd, segT asec ATTRIBUTE_UNUSED, fragS *fragp)
18995 unsigned long insn;
18996 unsigned long old_op;
19004 buf = fragp->fr_literal + fragp->fr_fix;
19006 old_op = bfd_get_16(abfd, buf);
19007 if (fragp->fr_symbol)
19009 exp.X_op = O_symbol;
19010 exp.X_add_symbol = fragp->fr_symbol;
19014 exp.X_op = O_constant;
19016 exp.X_add_number = fragp->fr_offset;
19017 opcode = fragp->fr_subtype;
19020 case T_MNEM_ldr_pc:
19021 case T_MNEM_ldr_pc2:
19022 case T_MNEM_ldr_sp:
19023 case T_MNEM_str_sp:
19030 if (fragp->fr_var == 4)
19032 insn = THUMB_OP32 (opcode);
19033 if ((old_op >> 12) == 4 || (old_op >> 12) == 9)
19035 insn |= (old_op & 0x700) << 4;
19039 insn |= (old_op & 7) << 12;
19040 insn |= (old_op & 0x38) << 13;
19042 insn |= 0x00000c00;
19043 put_thumb32_insn (buf, insn);
19044 reloc_type = BFD_RELOC_ARM_T32_OFFSET_IMM;
19048 reloc_type = BFD_RELOC_ARM_THUMB_OFFSET;
19050 pc_rel = (opcode == T_MNEM_ldr_pc2);
19053 if (fragp->fr_var == 4)
19055 insn = THUMB_OP32 (opcode);
19056 insn |= (old_op & 0xf0) << 4;
19057 put_thumb32_insn (buf, insn);
19058 reloc_type = BFD_RELOC_ARM_T32_ADD_PC12;
19062 reloc_type = BFD_RELOC_ARM_THUMB_ADD;
19063 exp.X_add_number -= 4;
19071 if (fragp->fr_var == 4)
19073 int r0off = (opcode == T_MNEM_mov
19074 || opcode == T_MNEM_movs) ? 0 : 8;
19075 insn = THUMB_OP32 (opcode);
19076 insn = (insn & 0xe1ffffff) | 0x10000000;
19077 insn |= (old_op & 0x700) << r0off;
19078 put_thumb32_insn (buf, insn);
19079 reloc_type = BFD_RELOC_ARM_T32_IMMEDIATE;
19083 reloc_type = BFD_RELOC_ARM_THUMB_IMM;
19088 if (fragp->fr_var == 4)
19090 insn = THUMB_OP32(opcode);
19091 put_thumb32_insn (buf, insn);
19092 reloc_type = BFD_RELOC_THUMB_PCREL_BRANCH25;
19095 reloc_type = BFD_RELOC_THUMB_PCREL_BRANCH12;
19099 if (fragp->fr_var == 4)
19101 insn = THUMB_OP32(opcode);
19102 insn |= (old_op & 0xf00) << 14;
19103 put_thumb32_insn (buf, insn);
19104 reloc_type = BFD_RELOC_THUMB_PCREL_BRANCH20;
19107 reloc_type = BFD_RELOC_THUMB_PCREL_BRANCH9;
19110 case T_MNEM_add_sp:
19111 case T_MNEM_add_pc:
19112 case T_MNEM_inc_sp:
19113 case T_MNEM_dec_sp:
19114 if (fragp->fr_var == 4)
19116 /* ??? Choose between add and addw. */
19117 insn = THUMB_OP32 (opcode);
19118 insn |= (old_op & 0xf0) << 4;
19119 put_thumb32_insn (buf, insn);
19120 if (opcode == T_MNEM_add_pc)
19121 reloc_type = BFD_RELOC_ARM_T32_IMM12;
19123 reloc_type = BFD_RELOC_ARM_T32_ADD_IMM;
19126 reloc_type = BFD_RELOC_ARM_THUMB_ADD;
19134 if (fragp->fr_var == 4)
19136 insn = THUMB_OP32 (opcode);
19137 insn |= (old_op & 0xf0) << 4;
19138 insn |= (old_op & 0xf) << 16;
19139 put_thumb32_insn (buf, insn);
19140 if (insn & (1 << 20))
19141 reloc_type = BFD_RELOC_ARM_T32_ADD_IMM;
19143 reloc_type = BFD_RELOC_ARM_T32_IMMEDIATE;
19146 reloc_type = BFD_RELOC_ARM_THUMB_ADD;
19152 fixp = fix_new_exp (fragp, fragp->fr_fix, fragp->fr_var, &exp, pc_rel,
19153 (enum bfd_reloc_code_real) reloc_type);
19154 fixp->fx_file = fragp->fr_file;
19155 fixp->fx_line = fragp->fr_line;
19156 fragp->fr_fix += fragp->fr_var;
19159 /* Return the size of a relaxable immediate operand instruction.
19160 SHIFT and SIZE specify the form of the allowable immediate. */
19162 relax_immediate (fragS *fragp, int size, int shift)
19168 /* ??? Should be able to do better than this. */
19169 if (fragp->fr_symbol)
19172 low = (1 << shift) - 1;
19173 mask = (1 << (shift + size)) - (1 << shift);
19174 offset = fragp->fr_offset;
19175 /* Force misaligned offsets to 32-bit variant. */
19178 if (offset & ~mask)
19183 /* Get the address of a symbol during relaxation. */
19185 relaxed_symbol_addr (fragS *fragp, long stretch)
19191 sym = fragp->fr_symbol;
19192 sym_frag = symbol_get_frag (sym);
19193 know (S_GET_SEGMENT (sym) != absolute_section
19194 || sym_frag == &zero_address_frag);
19195 addr = S_GET_VALUE (sym) + fragp->fr_offset;
19197 /* If frag has yet to be reached on this pass, assume it will
19198 move by STRETCH just as we did. If this is not so, it will
19199 be because some frag between grows, and that will force
19203 && sym_frag->relax_marker != fragp->relax_marker)
19207 /* Adjust stretch for any alignment frag. Note that if have
19208 been expanding the earlier code, the symbol may be
19209 defined in what appears to be an earlier frag. FIXME:
19210 This doesn't handle the fr_subtype field, which specifies
19211 a maximum number of bytes to skip when doing an
19213 for (f = fragp; f != NULL && f != sym_frag; f = f->fr_next)
19215 if (f->fr_type == rs_align || f->fr_type == rs_align_code)
19218 stretch = - ((- stretch)
19219 & ~ ((1 << (int) f->fr_offset) - 1));
19221 stretch &= ~ ((1 << (int) f->fr_offset) - 1);
19233 /* Return the size of a relaxable adr pseudo-instruction or PC-relative
19236 relax_adr (fragS *fragp, asection *sec, long stretch)
19241 /* Assume worst case for symbols not known to be in the same section. */
19242 if (fragp->fr_symbol == NULL
19243 || !S_IS_DEFINED (fragp->fr_symbol)
19244 || sec != S_GET_SEGMENT (fragp->fr_symbol)
19245 || S_IS_WEAK (fragp->fr_symbol))
19248 val = relaxed_symbol_addr (fragp, stretch);
19249 addr = fragp->fr_address + fragp->fr_fix;
19250 addr = (addr + 4) & ~3;
19251 /* Force misaligned targets to 32-bit variant. */
19255 if (val < 0 || val > 1020)
19260 /* Return the size of a relaxable add/sub immediate instruction. */
19262 relax_addsub (fragS *fragp, asection *sec)
19267 buf = fragp->fr_literal + fragp->fr_fix;
19268 op = bfd_get_16(sec->owner, buf);
19269 if ((op & 0xf) == ((op >> 4) & 0xf))
19270 return relax_immediate (fragp, 8, 0);
19272 return relax_immediate (fragp, 3, 0);
19276 /* Return the size of a relaxable branch instruction. BITS is the
19277 size of the offset field in the narrow instruction. */
19280 relax_branch (fragS *fragp, asection *sec, int bits, long stretch)
19286 /* Assume worst case for symbols not known to be in the same section. */
19287 if (!S_IS_DEFINED (fragp->fr_symbol)
19288 || sec != S_GET_SEGMENT (fragp->fr_symbol)
19289 || S_IS_WEAK (fragp->fr_symbol))
19293 if (S_IS_DEFINED (fragp->fr_symbol)
19294 && ARM_IS_FUNC (fragp->fr_symbol))
19297 /* PR 12532. Global symbols with default visibility might
19298 be preempted, so do not relax relocations to them. */
19299 if ((ELF_ST_VISIBILITY (S_GET_OTHER (fragp->fr_symbol)) == STV_DEFAULT)
19300 && (! S_IS_LOCAL (fragp->fr_symbol)))
19304 val = relaxed_symbol_addr (fragp, stretch);
19305 addr = fragp->fr_address + fragp->fr_fix + 4;
19308 /* Offset is a signed value *2 */
19310 if (val >= limit || val < -limit)
19316 /* Relax a machine dependent frag. This returns the amount by which
19317 the current size of the frag should change. */
19320 arm_relax_frag (asection *sec, fragS *fragp, long stretch)
19325 oldsize = fragp->fr_var;
19326 switch (fragp->fr_subtype)
19328 case T_MNEM_ldr_pc2:
19329 newsize = relax_adr (fragp, sec, stretch);
19331 case T_MNEM_ldr_pc:
19332 case T_MNEM_ldr_sp:
19333 case T_MNEM_str_sp:
19334 newsize = relax_immediate (fragp, 8, 2);
19338 newsize = relax_immediate (fragp, 5, 2);
19342 newsize = relax_immediate (fragp, 5, 1);
19346 newsize = relax_immediate (fragp, 5, 0);
19349 newsize = relax_adr (fragp, sec, stretch);
19355 newsize = relax_immediate (fragp, 8, 0);
19358 newsize = relax_branch (fragp, sec, 11, stretch);
19361 newsize = relax_branch (fragp, sec, 8, stretch);
19363 case T_MNEM_add_sp:
19364 case T_MNEM_add_pc:
19365 newsize = relax_immediate (fragp, 8, 2);
19367 case T_MNEM_inc_sp:
19368 case T_MNEM_dec_sp:
19369 newsize = relax_immediate (fragp, 7, 2);
19375 newsize = relax_addsub (fragp, sec);
19381 fragp->fr_var = newsize;
19382 /* Freeze wide instructions that are at or before the same location as
19383 in the previous pass. This avoids infinite loops.
19384 Don't freeze them unconditionally because targets may be artificially
19385 misaligned by the expansion of preceding frags. */
19386 if (stretch <= 0 && newsize > 2)
19388 md_convert_frag (sec->owner, sec, fragp);
19392 return newsize - oldsize;
19395 /* Round up a section size to the appropriate boundary. */
19398 md_section_align (segT segment ATTRIBUTE_UNUSED,
19401 #if (defined (OBJ_AOUT) || defined (OBJ_MAYBE_AOUT))
19402 if (OUTPUT_FLAVOR == bfd_target_aout_flavour)
19404 /* For a.out, force the section size to be aligned. If we don't do
19405 this, BFD will align it for us, but it will not write out the
19406 final bytes of the section. This may be a bug in BFD, but it is
19407 easier to fix it here since that is how the other a.out targets
19411 align = bfd_get_section_alignment (stdoutput, segment);
19412 size = ((size + (1 << align) - 1) & ((valueT) -1 << align));
19419 /* This is called from HANDLE_ALIGN in write.c. Fill in the contents
19420 of an rs_align_code fragment. */
19423 arm_handle_align (fragS * fragP)
19425 static char const arm_noop[2][2][4] =
19428 {0x00, 0x00, 0xa0, 0xe1}, /* LE */
19429 {0xe1, 0xa0, 0x00, 0x00}, /* BE */
19432 {0x00, 0xf0, 0x20, 0xe3}, /* LE */
19433 {0xe3, 0x20, 0xf0, 0x00}, /* BE */
19436 static char const thumb_noop[2][2][2] =
19439 {0xc0, 0x46}, /* LE */
19440 {0x46, 0xc0}, /* BE */
19443 {0x00, 0xbf}, /* LE */
19444 {0xbf, 0x00} /* BE */
19447 static char const wide_thumb_noop[2][4] =
19448 { /* Wide Thumb-2 */
19449 {0xaf, 0xf3, 0x00, 0x80}, /* LE */
19450 {0xf3, 0xaf, 0x80, 0x00}, /* BE */
19453 unsigned bytes, fix, noop_size;
19456 const char *narrow_noop = NULL;
19461 if (fragP->fr_type != rs_align_code)
19464 bytes = fragP->fr_next->fr_address - fragP->fr_address - fragP->fr_fix;
19465 p = fragP->fr_literal + fragP->fr_fix;
19468 if (bytes > MAX_MEM_FOR_RS_ALIGN_CODE)
19469 bytes &= MAX_MEM_FOR_RS_ALIGN_CODE;
19471 gas_assert ((fragP->tc_frag_data.thumb_mode & MODE_RECORDED) != 0);
19473 if (fragP->tc_frag_data.thumb_mode & (~ MODE_RECORDED))
19475 if (ARM_CPU_HAS_FEATURE (selected_cpu, arm_ext_v6t2))
19477 narrow_noop = thumb_noop[1][target_big_endian];
19478 noop = wide_thumb_noop[target_big_endian];
19481 noop = thumb_noop[0][target_big_endian];
19489 noop = arm_noop[ARM_CPU_HAS_FEATURE (selected_cpu, arm_ext_v6k) != 0]
19490 [target_big_endian];
19497 fragP->fr_var = noop_size;
19499 if (bytes & (noop_size - 1))
19501 fix = bytes & (noop_size - 1);
19503 insert_data_mapping_symbol (state, fragP->fr_fix, fragP, fix);
19505 memset (p, 0, fix);
19512 if (bytes & noop_size)
19514 /* Insert a narrow noop. */
19515 memcpy (p, narrow_noop, noop_size);
19517 bytes -= noop_size;
19521 /* Use wide noops for the remainder */
19525 while (bytes >= noop_size)
19527 memcpy (p, noop, noop_size);
19529 bytes -= noop_size;
19533 fragP->fr_fix += fix;
19536 /* Called from md_do_align. Used to create an alignment
19537 frag in a code section. */
19540 arm_frag_align_code (int n, int max)
19544 /* We assume that there will never be a requirement
19545 to support alignments greater than MAX_MEM_FOR_RS_ALIGN_CODE bytes. */
19546 if (max > MAX_MEM_FOR_RS_ALIGN_CODE)
19551 _("alignments greater than %d bytes not supported in .text sections."),
19552 MAX_MEM_FOR_RS_ALIGN_CODE + 1);
19553 as_fatal ("%s", err_msg);
19556 p = frag_var (rs_align_code,
19557 MAX_MEM_FOR_RS_ALIGN_CODE,
19559 (relax_substateT) max,
19566 /* Perform target specific initialisation of a frag.
19567 Note - despite the name this initialisation is not done when the frag
19568 is created, but only when its type is assigned. A frag can be created
19569 and used a long time before its type is set, so beware of assuming that
19570 this initialisationis performed first. */
19574 arm_init_frag (fragS * fragP, int max_chars ATTRIBUTE_UNUSED)
19576 /* Record whether this frag is in an ARM or a THUMB area. */
19577 fragP->tc_frag_data.thumb_mode = thumb_mode | MODE_RECORDED;
19580 #else /* OBJ_ELF is defined. */
19582 arm_init_frag (fragS * fragP, int max_chars)
19584 /* If the current ARM vs THUMB mode has not already
19585 been recorded into this frag then do so now. */
19586 if ((fragP->tc_frag_data.thumb_mode & MODE_RECORDED) == 0)
19588 fragP->tc_frag_data.thumb_mode = thumb_mode | MODE_RECORDED;
19590 /* Record a mapping symbol for alignment frags. We will delete this
19591 later if the alignment ends up empty. */
19592 switch (fragP->fr_type)
19595 case rs_align_test:
19597 mapping_state_2 (MAP_DATA, max_chars);
19599 case rs_align_code:
19600 mapping_state_2 (thumb_mode ? MAP_THUMB : MAP_ARM, max_chars);
19608 /* When we change sections we need to issue a new mapping symbol. */
19611 arm_elf_change_section (void)
19613 /* Link an unlinked unwind index table section to the .text section. */
19614 if (elf_section_type (now_seg) == SHT_ARM_EXIDX
19615 && elf_linked_to_section (now_seg) == NULL)
19616 elf_linked_to_section (now_seg) = text_section;
19620 arm_elf_section_type (const char * str, size_t len)
19622 if (len == 5 && strncmp (str, "exidx", 5) == 0)
19623 return SHT_ARM_EXIDX;
19628 /* Code to deal with unwinding tables. */
19630 static void add_unwind_adjustsp (offsetT);
19632 /* Generate any deferred unwind frame offset. */
19635 flush_pending_unwind (void)
19639 offset = unwind.pending_offset;
19640 unwind.pending_offset = 0;
19642 add_unwind_adjustsp (offset);
19645 /* Add an opcode to this list for this function. Two-byte opcodes should
19646 be passed as op[0] << 8 | op[1]. The list of opcodes is built in reverse
19650 add_unwind_opcode (valueT op, int length)
19652 /* Add any deferred stack adjustment. */
19653 if (unwind.pending_offset)
19654 flush_pending_unwind ();
19656 unwind.sp_restored = 0;
19658 if (unwind.opcode_count + length > unwind.opcode_alloc)
19660 unwind.opcode_alloc += ARM_OPCODE_CHUNK_SIZE;
19661 if (unwind.opcodes)
19662 unwind.opcodes = (unsigned char *) xrealloc (unwind.opcodes,
19663 unwind.opcode_alloc);
19665 unwind.opcodes = (unsigned char *) xmalloc (unwind.opcode_alloc);
19670 unwind.opcodes[unwind.opcode_count] = op & 0xff;
19672 unwind.opcode_count++;
19676 /* Add unwind opcodes to adjust the stack pointer. */
19679 add_unwind_adjustsp (offsetT offset)
19683 if (offset > 0x200)
19685 /* We need at most 5 bytes to hold a 32-bit value in a uleb128. */
19690 /* Long form: 0xb2, uleb128. */
19691 /* This might not fit in a word so add the individual bytes,
19692 remembering the list is built in reverse order. */
19693 o = (valueT) ((offset - 0x204) >> 2);
19695 add_unwind_opcode (0, 1);
19697 /* Calculate the uleb128 encoding of the offset. */
19701 bytes[n] = o & 0x7f;
19707 /* Add the insn. */
19709 add_unwind_opcode (bytes[n - 1], 1);
19710 add_unwind_opcode (0xb2, 1);
19712 else if (offset > 0x100)
19714 /* Two short opcodes. */
19715 add_unwind_opcode (0x3f, 1);
19716 op = (offset - 0x104) >> 2;
19717 add_unwind_opcode (op, 1);
19719 else if (offset > 0)
19721 /* Short opcode. */
19722 op = (offset - 4) >> 2;
19723 add_unwind_opcode (op, 1);
19725 else if (offset < 0)
19728 while (offset > 0x100)
19730 add_unwind_opcode (0x7f, 1);
19733 op = ((offset - 4) >> 2) | 0x40;
19734 add_unwind_opcode (op, 1);
19738 /* Finish the list of unwind opcodes for this function. */
19740 finish_unwind_opcodes (void)
19744 if (unwind.fp_used)
19746 /* Adjust sp as necessary. */
19747 unwind.pending_offset += unwind.fp_offset - unwind.frame_size;
19748 flush_pending_unwind ();
19750 /* After restoring sp from the frame pointer. */
19751 op = 0x90 | unwind.fp_reg;
19752 add_unwind_opcode (op, 1);
19755 flush_pending_unwind ();
19759 /* Start an exception table entry. If idx is nonzero this is an index table
19763 start_unwind_section (const segT text_seg, int idx)
19765 const char * text_name;
19766 const char * prefix;
19767 const char * prefix_once;
19768 const char * group_name;
19772 size_t sec_name_len;
19779 prefix = ELF_STRING_ARM_unwind;
19780 prefix_once = ELF_STRING_ARM_unwind_once;
19781 type = SHT_ARM_EXIDX;
19785 prefix = ELF_STRING_ARM_unwind_info;
19786 prefix_once = ELF_STRING_ARM_unwind_info_once;
19787 type = SHT_PROGBITS;
19790 text_name = segment_name (text_seg);
19791 if (streq (text_name, ".text"))
19794 if (strncmp (text_name, ".gnu.linkonce.t.",
19795 strlen (".gnu.linkonce.t.")) == 0)
19797 prefix = prefix_once;
19798 text_name += strlen (".gnu.linkonce.t.");
19801 prefix_len = strlen (prefix);
19802 text_len = strlen (text_name);
19803 sec_name_len = prefix_len + text_len;
19804 sec_name = (char *) xmalloc (sec_name_len + 1);
19805 memcpy (sec_name, prefix, prefix_len);
19806 memcpy (sec_name + prefix_len, text_name, text_len);
19807 sec_name[prefix_len + text_len] = '\0';
19813 /* Handle COMDAT group. */
19814 if (prefix != prefix_once && (text_seg->flags & SEC_LINK_ONCE) != 0)
19816 group_name = elf_group_name (text_seg);
19817 if (group_name == NULL)
19819 as_bad (_("Group section `%s' has no group signature"),
19820 segment_name (text_seg));
19821 ignore_rest_of_line ();
19824 flags |= SHF_GROUP;
19828 obj_elf_change_section (sec_name, type, flags, 0, group_name, linkonce, 0);
19830 /* Set the section link for index tables. */
19832 elf_linked_to_section (now_seg) = text_seg;
19836 /* Start an unwind table entry. HAVE_DATA is nonzero if we have additional
19837 personality routine data. Returns zero, or the index table value for
19838 and inline entry. */
19841 create_unwind_entry (int have_data)
19846 /* The current word of data. */
19848 /* The number of bytes left in this word. */
19851 finish_unwind_opcodes ();
19853 /* Remember the current text section. */
19854 unwind.saved_seg = now_seg;
19855 unwind.saved_subseg = now_subseg;
19857 start_unwind_section (now_seg, 0);
19859 if (unwind.personality_routine == NULL)
19861 if (unwind.personality_index == -2)
19864 as_bad (_("handlerdata in cantunwind frame"));
19865 return 1; /* EXIDX_CANTUNWIND. */
19868 /* Use a default personality routine if none is specified. */
19869 if (unwind.personality_index == -1)
19871 if (unwind.opcode_count > 3)
19872 unwind.personality_index = 1;
19874 unwind.personality_index = 0;
19877 /* Space for the personality routine entry. */
19878 if (unwind.personality_index == 0)
19880 if (unwind.opcode_count > 3)
19881 as_bad (_("too many unwind opcodes for personality routine 0"));
19885 /* All the data is inline in the index table. */
19888 while (unwind.opcode_count > 0)
19890 unwind.opcode_count--;
19891 data = (data << 8) | unwind.opcodes[unwind.opcode_count];
19895 /* Pad with "finish" opcodes. */
19897 data = (data << 8) | 0xb0;
19904 /* We get two opcodes "free" in the first word. */
19905 size = unwind.opcode_count - 2;
19908 /* An extra byte is required for the opcode count. */
19909 size = unwind.opcode_count + 1;
19911 size = (size + 3) >> 2;
19913 as_bad (_("too many unwind opcodes"));
19915 frag_align (2, 0, 0);
19916 record_alignment (now_seg, 2);
19917 unwind.table_entry = expr_build_dot ();
19919 /* Allocate the table entry. */
19920 ptr = frag_more ((size << 2) + 4);
19921 where = frag_now_fix () - ((size << 2) + 4);
19923 switch (unwind.personality_index)
19926 /* ??? Should this be a PLT generating relocation? */
19927 /* Custom personality routine. */
19928 fix_new (frag_now, where, 4, unwind.personality_routine, 0, 1,
19929 BFD_RELOC_ARM_PREL31);
19934 /* Set the first byte to the number of additional words. */
19939 /* ABI defined personality routines. */
19941 /* Three opcodes bytes are packed into the first word. */
19948 /* The size and first two opcode bytes go in the first word. */
19949 data = ((0x80 + unwind.personality_index) << 8) | size;
19954 /* Should never happen. */
19958 /* Pack the opcodes into words (MSB first), reversing the list at the same
19960 while (unwind.opcode_count > 0)
19964 md_number_to_chars (ptr, data, 4);
19969 unwind.opcode_count--;
19971 data = (data << 8) | unwind.opcodes[unwind.opcode_count];
19974 /* Finish off the last word. */
19977 /* Pad with "finish" opcodes. */
19979 data = (data << 8) | 0xb0;
19981 md_number_to_chars (ptr, data, 4);
19986 /* Add an empty descriptor if there is no user-specified data. */
19987 ptr = frag_more (4);
19988 md_number_to_chars (ptr, 0, 4);
19995 /* Initialize the DWARF-2 unwind information for this procedure. */
19998 tc_arm_frame_initial_instructions (void)
20000 cfi_add_CFA_def_cfa (REG_SP, 0);
20002 #endif /* OBJ_ELF */
20004 /* Convert REGNAME to a DWARF-2 register number. */
20007 tc_arm_regname_to_dw2regnum (char *regname)
20009 int reg = arm_reg_parse (®name, REG_TYPE_RN);
20019 tc_pe_dwarf2_emit_offset (symbolS *symbol, unsigned int size)
20023 exp.X_op = O_secrel;
20024 exp.X_add_symbol = symbol;
20025 exp.X_add_number = 0;
20026 emit_expr (&exp, size);
20030 /* MD interface: Symbol and relocation handling. */
20032 /* Return the address within the segment that a PC-relative fixup is
20033 relative to. For ARM, PC-relative fixups applied to instructions
20034 are generally relative to the location of the fixup plus 8 bytes.
20035 Thumb branches are offset by 4, and Thumb loads relative to PC
20036 require special handling. */
20039 md_pcrel_from_section (fixS * fixP, segT seg)
20041 offsetT base = fixP->fx_where + fixP->fx_frag->fr_address;
20043 /* If this is pc-relative and we are going to emit a relocation
20044 then we just want to put out any pipeline compensation that the linker
20045 will need. Otherwise we want to use the calculated base.
20046 For WinCE we skip the bias for externals as well, since this
20047 is how the MS ARM-CE assembler behaves and we want to be compatible. */
20049 && ((fixP->fx_addsy && S_GET_SEGMENT (fixP->fx_addsy) != seg)
20050 || (arm_force_relocation (fixP)
20052 && !S_IS_EXTERNAL (fixP->fx_addsy)
20058 switch (fixP->fx_r_type)
20060 /* PC relative addressing on the Thumb is slightly odd as the
20061 bottom two bits of the PC are forced to zero for the
20062 calculation. This happens *after* application of the
20063 pipeline offset. However, Thumb adrl already adjusts for
20064 this, so we need not do it again. */
20065 case BFD_RELOC_ARM_THUMB_ADD:
20068 case BFD_RELOC_ARM_THUMB_OFFSET:
20069 case BFD_RELOC_ARM_T32_OFFSET_IMM:
20070 case BFD_RELOC_ARM_T32_ADD_PC12:
20071 case BFD_RELOC_ARM_T32_CP_OFF_IMM:
20072 return (base + 4) & ~3;
20074 /* Thumb branches are simply offset by +4. */
20075 case BFD_RELOC_THUMB_PCREL_BRANCH7:
20076 case BFD_RELOC_THUMB_PCREL_BRANCH9:
20077 case BFD_RELOC_THUMB_PCREL_BRANCH12:
20078 case BFD_RELOC_THUMB_PCREL_BRANCH20:
20079 case BFD_RELOC_THUMB_PCREL_BRANCH25:
20082 case BFD_RELOC_THUMB_PCREL_BRANCH23:
20084 && (S_GET_SEGMENT (fixP->fx_addsy) == seg)
20085 && !S_FORCE_RELOC (fixP->fx_addsy, TRUE)
20086 && ARM_IS_FUNC (fixP->fx_addsy)
20087 && ARM_CPU_HAS_FEATURE (selected_cpu, arm_ext_v5t))
20088 base = fixP->fx_where + fixP->fx_frag->fr_address;
20091 /* BLX is like branches above, but forces the low two bits of PC to
20093 case BFD_RELOC_THUMB_PCREL_BLX:
20095 && (S_GET_SEGMENT (fixP->fx_addsy) == seg)
20096 && !S_FORCE_RELOC (fixP->fx_addsy, TRUE)
20097 && THUMB_IS_FUNC (fixP->fx_addsy)
20098 && ARM_CPU_HAS_FEATURE (selected_cpu, arm_ext_v5t))
20099 base = fixP->fx_where + fixP->fx_frag->fr_address;
20100 return (base + 4) & ~3;
20102 /* ARM mode branches are offset by +8. However, the Windows CE
20103 loader expects the relocation not to take this into account. */
20104 case BFD_RELOC_ARM_PCREL_BLX:
20106 && (S_GET_SEGMENT (fixP->fx_addsy) == seg)
20107 && !S_FORCE_RELOC (fixP->fx_addsy, TRUE)
20108 && ARM_IS_FUNC (fixP->fx_addsy)
20109 && ARM_CPU_HAS_FEATURE (selected_cpu, arm_ext_v5t))
20110 base = fixP->fx_where + fixP->fx_frag->fr_address;
20113 case BFD_RELOC_ARM_PCREL_CALL:
20115 && (S_GET_SEGMENT (fixP->fx_addsy) == seg)
20116 && !S_FORCE_RELOC (fixP->fx_addsy, TRUE)
20117 && THUMB_IS_FUNC (fixP->fx_addsy)
20118 && ARM_CPU_HAS_FEATURE (selected_cpu, arm_ext_v5t))
20119 base = fixP->fx_where + fixP->fx_frag->fr_address;
20122 case BFD_RELOC_ARM_PCREL_BRANCH:
20123 case BFD_RELOC_ARM_PCREL_JUMP:
20124 case BFD_RELOC_ARM_PLT32:
20126 /* When handling fixups immediately, because we have already
20127 discovered the value of a symbol, or the address of the frag involved
20128 we must account for the offset by +8, as the OS loader will never see the reloc.
20129 see fixup_segment() in write.c
20130 The S_IS_EXTERNAL test handles the case of global symbols.
20131 Those need the calculated base, not just the pipe compensation the linker will need. */
20133 && fixP->fx_addsy != NULL
20134 && (S_GET_SEGMENT (fixP->fx_addsy) == seg)
20135 && (S_IS_EXTERNAL (fixP->fx_addsy) || !arm_force_relocation (fixP)))
20143 /* ARM mode loads relative to PC are also offset by +8. Unlike
20144 branches, the Windows CE loader *does* expect the relocation
20145 to take this into account. */
20146 case BFD_RELOC_ARM_OFFSET_IMM:
20147 case BFD_RELOC_ARM_OFFSET_IMM8:
20148 case BFD_RELOC_ARM_HWLITERAL:
20149 case BFD_RELOC_ARM_LITERAL:
20150 case BFD_RELOC_ARM_CP_OFF_IMM:
20154 /* Other PC-relative relocations are un-offset. */
20160 /* Under ELF we need to default _GLOBAL_OFFSET_TABLE.
20161 Otherwise we have no need to default values of symbols. */
20164 md_undefined_symbol (char * name ATTRIBUTE_UNUSED)
20167 if (name[0] == '_' && name[1] == 'G'
20168 && streq (name, GLOBAL_OFFSET_TABLE_NAME))
20172 if (symbol_find (name))
20173 as_bad (_("GOT already in the symbol table"));
20175 GOT_symbol = symbol_new (name, undefined_section,
20176 (valueT) 0, & zero_address_frag);
20186 /* Subroutine of md_apply_fix. Check to see if an immediate can be
20187 computed as two separate immediate values, added together. We
20188 already know that this value cannot be computed by just one ARM
20191 static unsigned int
20192 validate_immediate_twopart (unsigned int val,
20193 unsigned int * highpart)
20198 for (i = 0; i < 32; i += 2)
20199 if (((a = rotate_left (val, i)) & 0xff) != 0)
20205 * highpart = (a >> 8) | ((i + 24) << 7);
20207 else if (a & 0xff0000)
20209 if (a & 0xff000000)
20211 * highpart = (a >> 16) | ((i + 16) << 7);
20215 gas_assert (a & 0xff000000);
20216 * highpart = (a >> 24) | ((i + 8) << 7);
20219 return (a & 0xff) | (i << 7);
20226 validate_offset_imm (unsigned int val, int hwse)
20228 if ((hwse && val > 255) || val > 4095)
20233 /* Subroutine of md_apply_fix. Do those data_ops which can take a
20234 negative immediate constant by altering the instruction. A bit of
20239 by inverting the second operand, and
20242 by negating the second operand. */
20245 negate_data_op (unsigned long * instruction,
20246 unsigned long value)
20249 unsigned long negated, inverted;
20251 negated = encode_arm_immediate (-value);
20252 inverted = encode_arm_immediate (~value);
20254 op = (*instruction >> DATA_OP_SHIFT) & 0xf;
20257 /* First negates. */
20258 case OPCODE_SUB: /* ADD <-> SUB */
20259 new_inst = OPCODE_ADD;
20264 new_inst = OPCODE_SUB;
20268 case OPCODE_CMP: /* CMP <-> CMN */
20269 new_inst = OPCODE_CMN;
20274 new_inst = OPCODE_CMP;
20278 /* Now Inverted ops. */
20279 case OPCODE_MOV: /* MOV <-> MVN */
20280 new_inst = OPCODE_MVN;
20285 new_inst = OPCODE_MOV;
20289 case OPCODE_AND: /* AND <-> BIC */
20290 new_inst = OPCODE_BIC;
20295 new_inst = OPCODE_AND;
20299 case OPCODE_ADC: /* ADC <-> SBC */
20300 new_inst = OPCODE_SBC;
20305 new_inst = OPCODE_ADC;
20309 /* We cannot do anything. */
20314 if (value == (unsigned) FAIL)
20317 *instruction &= OPCODE_MASK;
20318 *instruction |= new_inst << DATA_OP_SHIFT;
20322 /* Like negate_data_op, but for Thumb-2. */
20324 static unsigned int
20325 thumb32_negate_data_op (offsetT *instruction, unsigned int value)
20329 unsigned int negated, inverted;
20331 negated = encode_thumb32_immediate (-value);
20332 inverted = encode_thumb32_immediate (~value);
20334 rd = (*instruction >> 8) & 0xf;
20335 op = (*instruction >> T2_DATA_OP_SHIFT) & 0xf;
20338 /* ADD <-> SUB. Includes CMP <-> CMN. */
20339 case T2_OPCODE_SUB:
20340 new_inst = T2_OPCODE_ADD;
20344 case T2_OPCODE_ADD:
20345 new_inst = T2_OPCODE_SUB;
20349 /* ORR <-> ORN. Includes MOV <-> MVN. */
20350 case T2_OPCODE_ORR:
20351 new_inst = T2_OPCODE_ORN;
20355 case T2_OPCODE_ORN:
20356 new_inst = T2_OPCODE_ORR;
20360 /* AND <-> BIC. TST has no inverted equivalent. */
20361 case T2_OPCODE_AND:
20362 new_inst = T2_OPCODE_BIC;
20369 case T2_OPCODE_BIC:
20370 new_inst = T2_OPCODE_AND;
20375 case T2_OPCODE_ADC:
20376 new_inst = T2_OPCODE_SBC;
20380 case T2_OPCODE_SBC:
20381 new_inst = T2_OPCODE_ADC;
20385 /* We cannot do anything. */
20390 if (value == (unsigned int)FAIL)
20393 *instruction &= T2_OPCODE_MASK;
20394 *instruction |= new_inst << T2_DATA_OP_SHIFT;
20398 /* Read a 32-bit thumb instruction from buf. */
20399 static unsigned long
20400 get_thumb32_insn (char * buf)
20402 unsigned long insn;
20403 insn = md_chars_to_number (buf, THUMB_SIZE) << 16;
20404 insn |= md_chars_to_number (buf + THUMB_SIZE, THUMB_SIZE);
20410 /* We usually want to set the low bit on the address of thumb function
20411 symbols. In particular .word foo - . should have the low bit set.
20412 Generic code tries to fold the difference of two symbols to
20413 a constant. Prevent this and force a relocation when the first symbols
20414 is a thumb function. */
20417 arm_optimize_expr (expressionS *l, operatorT op, expressionS *r)
20419 if (op == O_subtract
20420 && l->X_op == O_symbol
20421 && r->X_op == O_symbol
20422 && THUMB_IS_FUNC (l->X_add_symbol))
20424 l->X_op = O_subtract;
20425 l->X_op_symbol = r->X_add_symbol;
20426 l->X_add_number -= r->X_add_number;
20430 /* Process as normal. */
20434 /* Encode Thumb2 unconditional branches and calls. The encoding
20435 for the 2 are identical for the immediate values. */
20438 encode_thumb2_b_bl_offset (char * buf, offsetT value)
20440 #define T2I1I2MASK ((1 << 13) | (1 << 11))
20443 addressT S, I1, I2, lo, hi;
20445 S = (value >> 24) & 0x01;
20446 I1 = (value >> 23) & 0x01;
20447 I2 = (value >> 22) & 0x01;
20448 hi = (value >> 12) & 0x3ff;
20449 lo = (value >> 1) & 0x7ff;
20450 newval = md_chars_to_number (buf, THUMB_SIZE);
20451 newval2 = md_chars_to_number (buf + THUMB_SIZE, THUMB_SIZE);
20452 newval |= (S << 10) | hi;
20453 newval2 &= ~T2I1I2MASK;
20454 newval2 |= (((I1 ^ S) << 13) | ((I2 ^ S) << 11) | lo) ^ T2I1I2MASK;
20455 md_number_to_chars (buf, newval, THUMB_SIZE);
20456 md_number_to_chars (buf + THUMB_SIZE, newval2, THUMB_SIZE);
20460 md_apply_fix (fixS * fixP,
20464 offsetT value = * valP;
20466 unsigned int newimm;
20467 unsigned long temp;
20469 char * buf = fixP->fx_where + fixP->fx_frag->fr_literal;
20471 gas_assert (fixP->fx_r_type <= BFD_RELOC_UNUSED);
20473 /* Note whether this will delete the relocation. */
20475 if (fixP->fx_addsy == 0 && !fixP->fx_pcrel)
20478 /* On a 64-bit host, silently truncate 'value' to 32 bits for
20479 consistency with the behaviour on 32-bit hosts. Remember value
20481 value &= 0xffffffff;
20482 value ^= 0x80000000;
20483 value -= 0x80000000;
20486 fixP->fx_addnumber = value;
20488 /* Same treatment for fixP->fx_offset. */
20489 fixP->fx_offset &= 0xffffffff;
20490 fixP->fx_offset ^= 0x80000000;
20491 fixP->fx_offset -= 0x80000000;
20493 switch (fixP->fx_r_type)
20495 case BFD_RELOC_NONE:
20496 /* This will need to go in the object file. */
20500 case BFD_RELOC_ARM_IMMEDIATE:
20501 /* We claim that this fixup has been processed here,
20502 even if in fact we generate an error because we do
20503 not have a reloc for it, so tc_gen_reloc will reject it. */
20506 if (fixP->fx_addsy)
20508 const char *msg = 0;
20510 if (! S_IS_DEFINED (fixP->fx_addsy))
20511 msg = _("undefined symbol %s used as an immediate value");
20512 else if (S_GET_SEGMENT (fixP->fx_addsy) != seg)
20513 msg = _("symbol %s is in a different section");
20514 else if (S_IS_WEAK (fixP->fx_addsy))
20515 msg = _("symbol %s is weak and may be overridden later");
20519 as_bad_where (fixP->fx_file, fixP->fx_line,
20520 msg, S_GET_NAME (fixP->fx_addsy));
20525 newimm = encode_arm_immediate (value);
20526 temp = md_chars_to_number (buf, INSN_SIZE);
20528 /* If the instruction will fail, see if we can fix things up by
20529 changing the opcode. */
20530 if (newimm == (unsigned int) FAIL
20531 && (newimm = negate_data_op (&temp, value)) == (unsigned int) FAIL)
20533 as_bad_where (fixP->fx_file, fixP->fx_line,
20534 _("invalid constant (%lx) after fixup"),
20535 (unsigned long) value);
20539 newimm |= (temp & 0xfffff000);
20540 md_number_to_chars (buf, (valueT) newimm, INSN_SIZE);
20543 case BFD_RELOC_ARM_ADRL_IMMEDIATE:
20545 unsigned int highpart = 0;
20546 unsigned int newinsn = 0xe1a00000; /* nop. */
20548 if (fixP->fx_addsy)
20550 const char *msg = 0;
20552 if (! S_IS_DEFINED (fixP->fx_addsy))
20553 msg = _("undefined symbol %s used as an immediate value");
20554 else if (S_GET_SEGMENT (fixP->fx_addsy) != seg)
20555 msg = _("symbol %s is in a different section");
20556 else if (S_IS_WEAK (fixP->fx_addsy))
20557 msg = _("symbol %s is weak and may be overridden later");
20561 as_bad_where (fixP->fx_file, fixP->fx_line,
20562 msg, S_GET_NAME (fixP->fx_addsy));
20567 newimm = encode_arm_immediate (value);
20568 temp = md_chars_to_number (buf, INSN_SIZE);
20570 /* If the instruction will fail, see if we can fix things up by
20571 changing the opcode. */
20572 if (newimm == (unsigned int) FAIL
20573 && (newimm = negate_data_op (& temp, value)) == (unsigned int) FAIL)
20575 /* No ? OK - try using two ADD instructions to generate
20577 newimm = validate_immediate_twopart (value, & highpart);
20579 /* Yes - then make sure that the second instruction is
20581 if (newimm != (unsigned int) FAIL)
20583 /* Still No ? Try using a negated value. */
20584 else if ((newimm = validate_immediate_twopart (- value, & highpart)) != (unsigned int) FAIL)
20585 temp = newinsn = (temp & OPCODE_MASK) | OPCODE_SUB << DATA_OP_SHIFT;
20586 /* Otherwise - give up. */
20589 as_bad_where (fixP->fx_file, fixP->fx_line,
20590 _("unable to compute ADRL instructions for PC offset of 0x%lx"),
20595 /* Replace the first operand in the 2nd instruction (which
20596 is the PC) with the destination register. We have
20597 already added in the PC in the first instruction and we
20598 do not want to do it again. */
20599 newinsn &= ~ 0xf0000;
20600 newinsn |= ((newinsn & 0x0f000) << 4);
20603 newimm |= (temp & 0xfffff000);
20604 md_number_to_chars (buf, (valueT) newimm, INSN_SIZE);
20606 highpart |= (newinsn & 0xfffff000);
20607 md_number_to_chars (buf + INSN_SIZE, (valueT) highpart, INSN_SIZE);
20611 case BFD_RELOC_ARM_OFFSET_IMM:
20612 if (!fixP->fx_done && seg->use_rela_p)
20615 case BFD_RELOC_ARM_LITERAL:
20621 if (validate_offset_imm (value, 0) == FAIL)
20623 if (fixP->fx_r_type == BFD_RELOC_ARM_LITERAL)
20624 as_bad_where (fixP->fx_file, fixP->fx_line,
20625 _("invalid literal constant: pool needs to be closer"));
20627 as_bad_where (fixP->fx_file, fixP->fx_line,
20628 _("bad immediate value for offset (%ld)"),
20633 newval = md_chars_to_number (buf, INSN_SIZE);
20635 newval &= 0xfffff000;
20638 newval &= 0xff7ff000;
20639 newval |= value | (sign ? INDEX_UP : 0);
20641 md_number_to_chars (buf, newval, INSN_SIZE);
20644 case BFD_RELOC_ARM_OFFSET_IMM8:
20645 case BFD_RELOC_ARM_HWLITERAL:
20651 if (validate_offset_imm (value, 1) == FAIL)
20653 if (fixP->fx_r_type == BFD_RELOC_ARM_HWLITERAL)
20654 as_bad_where (fixP->fx_file, fixP->fx_line,
20655 _("invalid literal constant: pool needs to be closer"));
20657 as_bad (_("bad immediate value for 8-bit offset (%ld)"),
20662 newval = md_chars_to_number (buf, INSN_SIZE);
20664 newval &= 0xfffff0f0;
20667 newval &= 0xff7ff0f0;
20668 newval |= ((value >> 4) << 8) | (value & 0xf) | (sign ? INDEX_UP : 0);
20670 md_number_to_chars (buf, newval, INSN_SIZE);
20673 case BFD_RELOC_ARM_T32_OFFSET_U8:
20674 if (value < 0 || value > 1020 || value % 4 != 0)
20675 as_bad_where (fixP->fx_file, fixP->fx_line,
20676 _("bad immediate value for offset (%ld)"), (long) value);
20679 newval = md_chars_to_number (buf+2, THUMB_SIZE);
20681 md_number_to_chars (buf+2, newval, THUMB_SIZE);
20684 case BFD_RELOC_ARM_T32_OFFSET_IMM:
20685 /* This is a complicated relocation used for all varieties of Thumb32
20686 load/store instruction with immediate offset:
20688 1110 100P u1WL NNNN XXXX YYYY iiii iiii - +/-(U) pre/post(P) 8-bit,
20689 *4, optional writeback(W)
20690 (doubleword load/store)
20692 1111 100S uTTL 1111 XXXX iiii iiii iiii - +/-(U) 12-bit PC-rel
20693 1111 100S 0TTL NNNN XXXX 1Pu1 iiii iiii - +/-(U) pre/post(P) 8-bit
20694 1111 100S 0TTL NNNN XXXX 1110 iiii iiii - positive 8-bit (T instruction)
20695 1111 100S 1TTL NNNN XXXX iiii iiii iiii - positive 12-bit
20696 1111 100S 0TTL NNNN XXXX 1100 iiii iiii - negative 8-bit
20698 Uppercase letters indicate bits that are already encoded at
20699 this point. Lowercase letters are our problem. For the
20700 second block of instructions, the secondary opcode nybble
20701 (bits 8..11) is present, and bit 23 is zero, even if this is
20702 a PC-relative operation. */
20703 newval = md_chars_to_number (buf, THUMB_SIZE);
20705 newval |= md_chars_to_number (buf+THUMB_SIZE, THUMB_SIZE);
20707 if ((newval & 0xf0000000) == 0xe0000000)
20709 /* Doubleword load/store: 8-bit offset, scaled by 4. */
20711 newval |= (1 << 23);
20714 if (value % 4 != 0)
20716 as_bad_where (fixP->fx_file, fixP->fx_line,
20717 _("offset not a multiple of 4"));
20723 as_bad_where (fixP->fx_file, fixP->fx_line,
20724 _("offset out of range"));
20729 else if ((newval & 0x000f0000) == 0x000f0000)
20731 /* PC-relative, 12-bit offset. */
20733 newval |= (1 << 23);
20738 as_bad_where (fixP->fx_file, fixP->fx_line,
20739 _("offset out of range"));
20744 else if ((newval & 0x00000100) == 0x00000100)
20746 /* Writeback: 8-bit, +/- offset. */
20748 newval |= (1 << 9);
20753 as_bad_where (fixP->fx_file, fixP->fx_line,
20754 _("offset out of range"));
20759 else if ((newval & 0x00000f00) == 0x00000e00)
20761 /* T-instruction: positive 8-bit offset. */
20762 if (value < 0 || value > 0xff)
20764 as_bad_where (fixP->fx_file, fixP->fx_line,
20765 _("offset out of range"));
20773 /* Positive 12-bit or negative 8-bit offset. */
20777 newval |= (1 << 23);
20787 as_bad_where (fixP->fx_file, fixP->fx_line,
20788 _("offset out of range"));
20795 md_number_to_chars (buf, (newval >> 16) & 0xffff, THUMB_SIZE);
20796 md_number_to_chars (buf + THUMB_SIZE, newval & 0xffff, THUMB_SIZE);
20799 case BFD_RELOC_ARM_SHIFT_IMM:
20800 newval = md_chars_to_number (buf, INSN_SIZE);
20801 if (((unsigned long) value) > 32
20803 && (((newval & 0x60) == 0) || (newval & 0x60) == 0x60)))
20805 as_bad_where (fixP->fx_file, fixP->fx_line,
20806 _("shift expression is too large"));
20811 /* Shifts of zero must be done as lsl. */
20813 else if (value == 32)
20815 newval &= 0xfffff07f;
20816 newval |= (value & 0x1f) << 7;
20817 md_number_to_chars (buf, newval, INSN_SIZE);
20820 case BFD_RELOC_ARM_T32_IMMEDIATE:
20821 case BFD_RELOC_ARM_T32_ADD_IMM:
20822 case BFD_RELOC_ARM_T32_IMM12:
20823 case BFD_RELOC_ARM_T32_ADD_PC12:
20824 /* We claim that this fixup has been processed here,
20825 even if in fact we generate an error because we do
20826 not have a reloc for it, so tc_gen_reloc will reject it. */
20830 && ! S_IS_DEFINED (fixP->fx_addsy))
20832 as_bad_where (fixP->fx_file, fixP->fx_line,
20833 _("undefined symbol %s used as an immediate value"),
20834 S_GET_NAME (fixP->fx_addsy));
20838 newval = md_chars_to_number (buf, THUMB_SIZE);
20840 newval |= md_chars_to_number (buf+2, THUMB_SIZE);
20843 if (fixP->fx_r_type == BFD_RELOC_ARM_T32_IMMEDIATE
20844 || fixP->fx_r_type == BFD_RELOC_ARM_T32_ADD_IMM)
20846 newimm = encode_thumb32_immediate (value);
20847 if (newimm == (unsigned int) FAIL)
20848 newimm = thumb32_negate_data_op (&newval, value);
20850 if (fixP->fx_r_type != BFD_RELOC_ARM_T32_IMMEDIATE
20851 && newimm == (unsigned int) FAIL)
20853 /* Turn add/sum into addw/subw. */
20854 if (fixP->fx_r_type == BFD_RELOC_ARM_T32_ADD_IMM)
20855 newval = (newval & 0xfeffffff) | 0x02000000;
20856 /* No flat 12-bit imm encoding for addsw/subsw. */
20857 if ((newval & 0x00100000) == 0)
20859 /* 12 bit immediate for addw/subw. */
20863 newval ^= 0x00a00000;
20866 newimm = (unsigned int) FAIL;
20872 if (newimm == (unsigned int)FAIL)
20874 as_bad_where (fixP->fx_file, fixP->fx_line,
20875 _("invalid constant (%lx) after fixup"),
20876 (unsigned long) value);
20880 newval |= (newimm & 0x800) << 15;
20881 newval |= (newimm & 0x700) << 4;
20882 newval |= (newimm & 0x0ff);
20884 md_number_to_chars (buf, (valueT) ((newval >> 16) & 0xffff), THUMB_SIZE);
20885 md_number_to_chars (buf+2, (valueT) (newval & 0xffff), THUMB_SIZE);
20888 case BFD_RELOC_ARM_SMC:
20889 if (((unsigned long) value) > 0xffff)
20890 as_bad_where (fixP->fx_file, fixP->fx_line,
20891 _("invalid smc expression"));
20892 newval = md_chars_to_number (buf, INSN_SIZE);
20893 newval |= (value & 0xf) | ((value & 0xfff0) << 4);
20894 md_number_to_chars (buf, newval, INSN_SIZE);
20897 case BFD_RELOC_ARM_HVC:
20898 if (((unsigned long) value) > 0xffff)
20899 as_bad_where (fixP->fx_file, fixP->fx_line,
20900 _("invalid hvc expression"));
20901 newval = md_chars_to_number (buf, INSN_SIZE);
20902 newval |= (value & 0xf) | ((value & 0xfff0) << 4);
20903 md_number_to_chars (buf, newval, INSN_SIZE);
20906 case BFD_RELOC_ARM_SWI:
20907 if (fixP->tc_fix_data != 0)
20909 if (((unsigned long) value) > 0xff)
20910 as_bad_where (fixP->fx_file, fixP->fx_line,
20911 _("invalid swi expression"));
20912 newval = md_chars_to_number (buf, THUMB_SIZE);
20914 md_number_to_chars (buf, newval, THUMB_SIZE);
20918 if (((unsigned long) value) > 0x00ffffff)
20919 as_bad_where (fixP->fx_file, fixP->fx_line,
20920 _("invalid swi expression"));
20921 newval = md_chars_to_number (buf, INSN_SIZE);
20923 md_number_to_chars (buf, newval, INSN_SIZE);
20927 case BFD_RELOC_ARM_MULTI:
20928 if (((unsigned long) value) > 0xffff)
20929 as_bad_where (fixP->fx_file, fixP->fx_line,
20930 _("invalid expression in load/store multiple"));
20931 newval = value | md_chars_to_number (buf, INSN_SIZE);
20932 md_number_to_chars (buf, newval, INSN_SIZE);
20936 case BFD_RELOC_ARM_PCREL_CALL:
20938 if (ARM_CPU_HAS_FEATURE (selected_cpu, arm_ext_v5t)
20940 && !S_FORCE_RELOC (fixP->fx_addsy, TRUE)
20941 && (S_GET_SEGMENT (fixP->fx_addsy) == seg)
20942 && THUMB_IS_FUNC (fixP->fx_addsy))
20943 /* Flip the bl to blx. This is a simple flip
20944 bit here because we generate PCREL_CALL for
20945 unconditional bls. */
20947 newval = md_chars_to_number (buf, INSN_SIZE);
20948 newval = newval | 0x10000000;
20949 md_number_to_chars (buf, newval, INSN_SIZE);
20955 goto arm_branch_common;
20957 case BFD_RELOC_ARM_PCREL_JUMP:
20958 if (ARM_CPU_HAS_FEATURE (selected_cpu, arm_ext_v5t)
20960 && !S_FORCE_RELOC (fixP->fx_addsy, TRUE)
20961 && (S_GET_SEGMENT (fixP->fx_addsy) == seg)
20962 && THUMB_IS_FUNC (fixP->fx_addsy))
20964 /* This would map to a bl<cond>, b<cond>,
20965 b<always> to a Thumb function. We
20966 need to force a relocation for this particular
20968 newval = md_chars_to_number (buf, INSN_SIZE);
20972 case BFD_RELOC_ARM_PLT32:
20974 case BFD_RELOC_ARM_PCREL_BRANCH:
20976 goto arm_branch_common;
20978 case BFD_RELOC_ARM_PCREL_BLX:
20981 if (ARM_CPU_HAS_FEATURE (selected_cpu, arm_ext_v5t)
20983 && !S_FORCE_RELOC (fixP->fx_addsy, TRUE)
20984 && (S_GET_SEGMENT (fixP->fx_addsy) == seg)
20985 && ARM_IS_FUNC (fixP->fx_addsy))
20987 /* Flip the blx to a bl and warn. */
20988 const char *name = S_GET_NAME (fixP->fx_addsy);
20989 newval = 0xeb000000;
20990 as_warn_where (fixP->fx_file, fixP->fx_line,
20991 _("blx to '%s' an ARM ISA state function changed to bl"),
20993 md_number_to_chars (buf, newval, INSN_SIZE);
20999 if (EF_ARM_EABI_VERSION (meabi_flags) >= EF_ARM_EABI_VER4)
21000 fixP->fx_r_type = BFD_RELOC_ARM_PCREL_CALL;
21004 /* We are going to store value (shifted right by two) in the
21005 instruction, in a 24 bit, signed field. Bits 26 through 32 either
21006 all clear or all set and bit 0 must be clear. For B/BL bit 1 must
21007 also be be clear. */
21009 as_bad_where (fixP->fx_file, fixP->fx_line,
21010 _("misaligned branch destination"));
21011 if ((value & (offsetT)0xfe000000) != (offsetT)0
21012 && (value & (offsetT)0xfe000000) != (offsetT)0xfe000000)
21013 as_bad_where (fixP->fx_file, fixP->fx_line, BAD_RANGE);
21015 if (fixP->fx_done || !seg->use_rela_p)
21017 newval = md_chars_to_number (buf, INSN_SIZE);
21018 newval |= (value >> 2) & 0x00ffffff;
21019 /* Set the H bit on BLX instructions. */
21023 newval |= 0x01000000;
21025 newval &= ~0x01000000;
21027 md_number_to_chars (buf, newval, INSN_SIZE);
21031 case BFD_RELOC_THUMB_PCREL_BRANCH7: /* CBZ */
21032 /* CBZ can only branch forward. */
21034 /* Attempts to use CBZ to branch to the next instruction
21035 (which, strictly speaking, are prohibited) will be turned into
21038 FIXME: It may be better to remove the instruction completely and
21039 perform relaxation. */
21042 newval = md_chars_to_number (buf, THUMB_SIZE);
21043 newval = 0xbf00; /* NOP encoding T1 */
21044 md_number_to_chars (buf, newval, THUMB_SIZE);
21049 as_bad_where (fixP->fx_file, fixP->fx_line, BAD_RANGE);
21051 if (fixP->fx_done || !seg->use_rela_p)
21053 newval = md_chars_to_number (buf, THUMB_SIZE);
21054 newval |= ((value & 0x3e) << 2) | ((value & 0x40) << 3);
21055 md_number_to_chars (buf, newval, THUMB_SIZE);
21060 case BFD_RELOC_THUMB_PCREL_BRANCH9: /* Conditional branch. */
21061 if ((value & ~0xff) && ((value & ~0xff) != ~0xff))
21062 as_bad_where (fixP->fx_file, fixP->fx_line, BAD_RANGE);
21064 if (fixP->fx_done || !seg->use_rela_p)
21066 newval = md_chars_to_number (buf, THUMB_SIZE);
21067 newval |= (value & 0x1ff) >> 1;
21068 md_number_to_chars (buf, newval, THUMB_SIZE);
21072 case BFD_RELOC_THUMB_PCREL_BRANCH12: /* Unconditional branch. */
21073 if ((value & ~0x7ff) && ((value & ~0x7ff) != ~0x7ff))
21074 as_bad_where (fixP->fx_file, fixP->fx_line, BAD_RANGE);
21076 if (fixP->fx_done || !seg->use_rela_p)
21078 newval = md_chars_to_number (buf, THUMB_SIZE);
21079 newval |= (value & 0xfff) >> 1;
21080 md_number_to_chars (buf, newval, THUMB_SIZE);
21084 case BFD_RELOC_THUMB_PCREL_BRANCH20:
21086 && (S_GET_SEGMENT (fixP->fx_addsy) == seg)
21087 && !S_FORCE_RELOC (fixP->fx_addsy, TRUE)
21088 && ARM_IS_FUNC (fixP->fx_addsy)
21089 && ARM_CPU_HAS_FEATURE (selected_cpu, arm_ext_v5t))
21091 /* Force a relocation for a branch 20 bits wide. */
21094 if ((value & ~0x1fffff) && ((value & ~0x0fffff) != ~0x0fffff))
21095 as_bad_where (fixP->fx_file, fixP->fx_line,
21096 _("conditional branch out of range"));
21098 if (fixP->fx_done || !seg->use_rela_p)
21101 addressT S, J1, J2, lo, hi;
21103 S = (value & 0x00100000) >> 20;
21104 J2 = (value & 0x00080000) >> 19;
21105 J1 = (value & 0x00040000) >> 18;
21106 hi = (value & 0x0003f000) >> 12;
21107 lo = (value & 0x00000ffe) >> 1;
21109 newval = md_chars_to_number (buf, THUMB_SIZE);
21110 newval2 = md_chars_to_number (buf + THUMB_SIZE, THUMB_SIZE);
21111 newval |= (S << 10) | hi;
21112 newval2 |= (J1 << 13) | (J2 << 11) | lo;
21113 md_number_to_chars (buf, newval, THUMB_SIZE);
21114 md_number_to_chars (buf + THUMB_SIZE, newval2, THUMB_SIZE);
21118 case BFD_RELOC_THUMB_PCREL_BLX:
21119 /* If there is a blx from a thumb state function to
21120 another thumb function flip this to a bl and warn
21124 && !S_FORCE_RELOC (fixP->fx_addsy, TRUE)
21125 && (S_GET_SEGMENT (fixP->fx_addsy) == seg)
21126 && THUMB_IS_FUNC (fixP->fx_addsy))
21128 const char *name = S_GET_NAME (fixP->fx_addsy);
21129 as_warn_where (fixP->fx_file, fixP->fx_line,
21130 _("blx to Thumb func '%s' from Thumb ISA state changed to bl"),
21132 newval = md_chars_to_number (buf + THUMB_SIZE, THUMB_SIZE);
21133 newval = newval | 0x1000;
21134 md_number_to_chars (buf+THUMB_SIZE, newval, THUMB_SIZE);
21135 fixP->fx_r_type = BFD_RELOC_THUMB_PCREL_BRANCH23;
21140 goto thumb_bl_common;
21142 case BFD_RELOC_THUMB_PCREL_BRANCH23:
21143 /* A bl from Thumb state ISA to an internal ARM state function
21144 is converted to a blx. */
21146 && (S_GET_SEGMENT (fixP->fx_addsy) == seg)
21147 && !S_FORCE_RELOC (fixP->fx_addsy, TRUE)
21148 && ARM_IS_FUNC (fixP->fx_addsy)
21149 && ARM_CPU_HAS_FEATURE (selected_cpu, arm_ext_v5t))
21151 newval = md_chars_to_number (buf + THUMB_SIZE, THUMB_SIZE);
21152 newval = newval & ~0x1000;
21153 md_number_to_chars (buf+THUMB_SIZE, newval, THUMB_SIZE);
21154 fixP->fx_r_type = BFD_RELOC_THUMB_PCREL_BLX;
21161 if (EF_ARM_EABI_VERSION (meabi_flags) >= EF_ARM_EABI_VER4 &&
21162 fixP->fx_r_type == BFD_RELOC_THUMB_PCREL_BLX)
21163 fixP->fx_r_type = BFD_RELOC_THUMB_PCREL_BRANCH23;
21166 if (fixP->fx_r_type == BFD_RELOC_THUMB_PCREL_BLX)
21167 /* For a BLX instruction, make sure that the relocation is rounded up
21168 to a word boundary. This follows the semantics of the instruction
21169 which specifies that bit 1 of the target address will come from bit
21170 1 of the base address. */
21171 value = (value + 1) & ~ 1;
21173 if ((value & ~0x3fffff) && ((value & ~0x3fffff) != ~0x3fffff))
21175 if (!(ARM_CPU_HAS_FEATURE (cpu_variant, arm_arch_t2)))
21176 as_bad_where (fixP->fx_file, fixP->fx_line, BAD_RANGE);
21177 else if ((value & ~0x1ffffff)
21178 && ((value & ~0x1ffffff) != ~0x1ffffff))
21179 as_bad_where (fixP->fx_file, fixP->fx_line,
21180 _("Thumb2 branch out of range"));
21183 if (fixP->fx_done || !seg->use_rela_p)
21184 encode_thumb2_b_bl_offset (buf, value);
21188 case BFD_RELOC_THUMB_PCREL_BRANCH25:
21189 if ((value & ~0x0ffffff) && ((value & ~0x0ffffff) != ~0x0ffffff))
21190 as_bad_where (fixP->fx_file, fixP->fx_line, BAD_RANGE);
21192 if (fixP->fx_done || !seg->use_rela_p)
21193 encode_thumb2_b_bl_offset (buf, value);
21198 if (fixP->fx_done || !seg->use_rela_p)
21199 md_number_to_chars (buf, value, 1);
21203 if (fixP->fx_done || !seg->use_rela_p)
21204 md_number_to_chars (buf, value, 2);
21208 case BFD_RELOC_ARM_TLS_CALL:
21209 case BFD_RELOC_ARM_THM_TLS_CALL:
21210 case BFD_RELOC_ARM_TLS_DESCSEQ:
21211 case BFD_RELOC_ARM_THM_TLS_DESCSEQ:
21212 S_SET_THREAD_LOCAL (fixP->fx_addsy);
21215 case BFD_RELOC_ARM_TLS_GOTDESC:
21216 case BFD_RELOC_ARM_TLS_GD32:
21217 case BFD_RELOC_ARM_TLS_LE32:
21218 case BFD_RELOC_ARM_TLS_IE32:
21219 case BFD_RELOC_ARM_TLS_LDM32:
21220 case BFD_RELOC_ARM_TLS_LDO32:
21221 S_SET_THREAD_LOCAL (fixP->fx_addsy);
21224 case BFD_RELOC_ARM_GOT32:
21225 case BFD_RELOC_ARM_GOTOFF:
21226 if (fixP->fx_done || !seg->use_rela_p)
21227 md_number_to_chars (buf, 0, 4);
21230 case BFD_RELOC_ARM_GOT_PREL:
21231 if (fixP->fx_done || !seg->use_rela_p)
21232 md_number_to_chars (buf, value, 4);
21235 case BFD_RELOC_ARM_TARGET2:
21236 /* TARGET2 is not partial-inplace, so we need to write the
21237 addend here for REL targets, because it won't be written out
21238 during reloc processing later. */
21239 if (fixP->fx_done || !seg->use_rela_p)
21240 md_number_to_chars (buf, fixP->fx_offset, 4);
21244 case BFD_RELOC_RVA:
21246 case BFD_RELOC_ARM_TARGET1:
21247 case BFD_RELOC_ARM_ROSEGREL32:
21248 case BFD_RELOC_ARM_SBREL32:
21249 case BFD_RELOC_32_PCREL:
21251 case BFD_RELOC_32_SECREL:
21253 if (fixP->fx_done || !seg->use_rela_p)
21255 /* For WinCE we only do this for pcrel fixups. */
21256 if (fixP->fx_done || fixP->fx_pcrel)
21258 md_number_to_chars (buf, value, 4);
21262 case BFD_RELOC_ARM_PREL31:
21263 if (fixP->fx_done || !seg->use_rela_p)
21265 newval = md_chars_to_number (buf, 4) & 0x80000000;
21266 if ((value ^ (value >> 1)) & 0x40000000)
21268 as_bad_where (fixP->fx_file, fixP->fx_line,
21269 _("rel31 relocation overflow"));
21271 newval |= value & 0x7fffffff;
21272 md_number_to_chars (buf, newval, 4);
21277 case BFD_RELOC_ARM_CP_OFF_IMM:
21278 case BFD_RELOC_ARM_T32_CP_OFF_IMM:
21279 if (value < -1023 || value > 1023 || (value & 3))
21280 as_bad_where (fixP->fx_file, fixP->fx_line,
21281 _("co-processor offset out of range"));
21286 if (fixP->fx_r_type == BFD_RELOC_ARM_CP_OFF_IMM
21287 || fixP->fx_r_type == BFD_RELOC_ARM_CP_OFF_IMM_S2)
21288 newval = md_chars_to_number (buf, INSN_SIZE);
21290 newval = get_thumb32_insn (buf);
21292 newval &= 0xffffff00;
21295 newval &= 0xff7fff00;
21296 newval |= (value >> 2) | (sign ? INDEX_UP : 0);
21298 if (fixP->fx_r_type == BFD_RELOC_ARM_CP_OFF_IMM
21299 || fixP->fx_r_type == BFD_RELOC_ARM_CP_OFF_IMM_S2)
21300 md_number_to_chars (buf, newval, INSN_SIZE);
21302 put_thumb32_insn (buf, newval);
21305 case BFD_RELOC_ARM_CP_OFF_IMM_S2:
21306 case BFD_RELOC_ARM_T32_CP_OFF_IMM_S2:
21307 if (value < -255 || value > 255)
21308 as_bad_where (fixP->fx_file, fixP->fx_line,
21309 _("co-processor offset out of range"));
21311 goto cp_off_common;
21313 case BFD_RELOC_ARM_THUMB_OFFSET:
21314 newval = md_chars_to_number (buf, THUMB_SIZE);
21315 /* Exactly what ranges, and where the offset is inserted depends
21316 on the type of instruction, we can establish this from the
21318 switch (newval >> 12)
21320 case 4: /* PC load. */
21321 /* Thumb PC loads are somewhat odd, bit 1 of the PC is
21322 forced to zero for these loads; md_pcrel_from has already
21323 compensated for this. */
21325 as_bad_where (fixP->fx_file, fixP->fx_line,
21326 _("invalid offset, target not word aligned (0x%08lX)"),
21327 (((unsigned long) fixP->fx_frag->fr_address
21328 + (unsigned long) fixP->fx_where) & ~3)
21329 + (unsigned long) value);
21331 if (value & ~0x3fc)
21332 as_bad_where (fixP->fx_file, fixP->fx_line,
21333 _("invalid offset, value too big (0x%08lX)"),
21336 newval |= value >> 2;
21339 case 9: /* SP load/store. */
21340 if (value & ~0x3fc)
21341 as_bad_where (fixP->fx_file, fixP->fx_line,
21342 _("invalid offset, value too big (0x%08lX)"),
21344 newval |= value >> 2;
21347 case 6: /* Word load/store. */
21349 as_bad_where (fixP->fx_file, fixP->fx_line,
21350 _("invalid offset, value too big (0x%08lX)"),
21352 newval |= value << 4; /* 6 - 2. */
21355 case 7: /* Byte load/store. */
21357 as_bad_where (fixP->fx_file, fixP->fx_line,
21358 _("invalid offset, value too big (0x%08lX)"),
21360 newval |= value << 6;
21363 case 8: /* Halfword load/store. */
21365 as_bad_where (fixP->fx_file, fixP->fx_line,
21366 _("invalid offset, value too big (0x%08lX)"),
21368 newval |= value << 5; /* 6 - 1. */
21372 as_bad_where (fixP->fx_file, fixP->fx_line,
21373 "Unable to process relocation for thumb opcode: %lx",
21374 (unsigned long) newval);
21377 md_number_to_chars (buf, newval, THUMB_SIZE);
21380 case BFD_RELOC_ARM_THUMB_ADD:
21381 /* This is a complicated relocation, since we use it for all of
21382 the following immediate relocations:
21386 9bit ADD/SUB SP word-aligned
21387 10bit ADD PC/SP word-aligned
21389 The type of instruction being processed is encoded in the
21396 newval = md_chars_to_number (buf, THUMB_SIZE);
21398 int rd = (newval >> 4) & 0xf;
21399 int rs = newval & 0xf;
21400 int subtract = !!(newval & 0x8000);
21402 /* Check for HI regs, only very restricted cases allowed:
21403 Adjusting SP, and using PC or SP to get an address. */
21404 if ((rd > 7 && (rd != REG_SP || rs != REG_SP))
21405 || (rs > 7 && rs != REG_SP && rs != REG_PC))
21406 as_bad_where (fixP->fx_file, fixP->fx_line,
21407 _("invalid Hi register with immediate"));
21409 /* If value is negative, choose the opposite instruction. */
21413 subtract = !subtract;
21415 as_bad_where (fixP->fx_file, fixP->fx_line,
21416 _("immediate value out of range"));
21421 if (value & ~0x1fc)
21422 as_bad_where (fixP->fx_file, fixP->fx_line,
21423 _("invalid immediate for stack address calculation"));
21424 newval = subtract ? T_OPCODE_SUB_ST : T_OPCODE_ADD_ST;
21425 newval |= value >> 2;
21427 else if (rs == REG_PC || rs == REG_SP)
21429 if (subtract || value & ~0x3fc)
21430 as_bad_where (fixP->fx_file, fixP->fx_line,
21431 _("invalid immediate for address calculation (value = 0x%08lX)"),
21432 (unsigned long) value);
21433 newval = (rs == REG_PC ? T_OPCODE_ADD_PC : T_OPCODE_ADD_SP);
21435 newval |= value >> 2;
21440 as_bad_where (fixP->fx_file, fixP->fx_line,
21441 _("immediate value out of range"));
21442 newval = subtract ? T_OPCODE_SUB_I8 : T_OPCODE_ADD_I8;
21443 newval |= (rd << 8) | value;
21448 as_bad_where (fixP->fx_file, fixP->fx_line,
21449 _("immediate value out of range"));
21450 newval = subtract ? T_OPCODE_SUB_I3 : T_OPCODE_ADD_I3;
21451 newval |= rd | (rs << 3) | (value << 6);
21454 md_number_to_chars (buf, newval, THUMB_SIZE);
21457 case BFD_RELOC_ARM_THUMB_IMM:
21458 newval = md_chars_to_number (buf, THUMB_SIZE);
21459 if (value < 0 || value > 255)
21460 as_bad_where (fixP->fx_file, fixP->fx_line,
21461 _("invalid immediate: %ld is out of range"),
21464 md_number_to_chars (buf, newval, THUMB_SIZE);
21467 case BFD_RELOC_ARM_THUMB_SHIFT:
21468 /* 5bit shift value (0..32). LSL cannot take 32. */
21469 newval = md_chars_to_number (buf, THUMB_SIZE) & 0xf83f;
21470 temp = newval & 0xf800;
21471 if (value < 0 || value > 32 || (value == 32 && temp == T_OPCODE_LSL_I))
21472 as_bad_where (fixP->fx_file, fixP->fx_line,
21473 _("invalid shift value: %ld"), (long) value);
21474 /* Shifts of zero must be encoded as LSL. */
21476 newval = (newval & 0x003f) | T_OPCODE_LSL_I;
21477 /* Shifts of 32 are encoded as zero. */
21478 else if (value == 32)
21480 newval |= value << 6;
21481 md_number_to_chars (buf, newval, THUMB_SIZE);
21484 case BFD_RELOC_VTABLE_INHERIT:
21485 case BFD_RELOC_VTABLE_ENTRY:
21489 case BFD_RELOC_ARM_MOVW:
21490 case BFD_RELOC_ARM_MOVT:
21491 case BFD_RELOC_ARM_THUMB_MOVW:
21492 case BFD_RELOC_ARM_THUMB_MOVT:
21493 if (fixP->fx_done || !seg->use_rela_p)
21495 /* REL format relocations are limited to a 16-bit addend. */
21496 if (!fixP->fx_done)
21498 if (value < -0x8000 || value > 0x7fff)
21499 as_bad_where (fixP->fx_file, fixP->fx_line,
21500 _("offset out of range"));
21502 else if (fixP->fx_r_type == BFD_RELOC_ARM_MOVT
21503 || fixP->fx_r_type == BFD_RELOC_ARM_THUMB_MOVT)
21508 if (fixP->fx_r_type == BFD_RELOC_ARM_THUMB_MOVW
21509 || fixP->fx_r_type == BFD_RELOC_ARM_THUMB_MOVT)
21511 newval = get_thumb32_insn (buf);
21512 newval &= 0xfbf08f00;
21513 newval |= (value & 0xf000) << 4;
21514 newval |= (value & 0x0800) << 15;
21515 newval |= (value & 0x0700) << 4;
21516 newval |= (value & 0x00ff);
21517 put_thumb32_insn (buf, newval);
21521 newval = md_chars_to_number (buf, 4);
21522 newval &= 0xfff0f000;
21523 newval |= value & 0x0fff;
21524 newval |= (value & 0xf000) << 4;
21525 md_number_to_chars (buf, newval, 4);
21530 case BFD_RELOC_ARM_ALU_PC_G0_NC:
21531 case BFD_RELOC_ARM_ALU_PC_G0:
21532 case BFD_RELOC_ARM_ALU_PC_G1_NC:
21533 case BFD_RELOC_ARM_ALU_PC_G1:
21534 case BFD_RELOC_ARM_ALU_PC_G2:
21535 case BFD_RELOC_ARM_ALU_SB_G0_NC:
21536 case BFD_RELOC_ARM_ALU_SB_G0:
21537 case BFD_RELOC_ARM_ALU_SB_G1_NC:
21538 case BFD_RELOC_ARM_ALU_SB_G1:
21539 case BFD_RELOC_ARM_ALU_SB_G2:
21540 gas_assert (!fixP->fx_done);
21541 if (!seg->use_rela_p)
21544 bfd_vma encoded_addend;
21545 bfd_vma addend_abs = abs (value);
21547 /* Check that the absolute value of the addend can be
21548 expressed as an 8-bit constant plus a rotation. */
21549 encoded_addend = encode_arm_immediate (addend_abs);
21550 if (encoded_addend == (unsigned int) FAIL)
21551 as_bad_where (fixP->fx_file, fixP->fx_line,
21552 _("the offset 0x%08lX is not representable"),
21553 (unsigned long) addend_abs);
21555 /* Extract the instruction. */
21556 insn = md_chars_to_number (buf, INSN_SIZE);
21558 /* If the addend is positive, use an ADD instruction.
21559 Otherwise use a SUB. Take care not to destroy the S bit. */
21560 insn &= 0xff1fffff;
21566 /* Place the encoded addend into the first 12 bits of the
21568 insn &= 0xfffff000;
21569 insn |= encoded_addend;
21571 /* Update the instruction. */
21572 md_number_to_chars (buf, insn, INSN_SIZE);
21576 case BFD_RELOC_ARM_LDR_PC_G0:
21577 case BFD_RELOC_ARM_LDR_PC_G1:
21578 case BFD_RELOC_ARM_LDR_PC_G2:
21579 case BFD_RELOC_ARM_LDR_SB_G0:
21580 case BFD_RELOC_ARM_LDR_SB_G1:
21581 case BFD_RELOC_ARM_LDR_SB_G2:
21582 gas_assert (!fixP->fx_done);
21583 if (!seg->use_rela_p)
21586 bfd_vma addend_abs = abs (value);
21588 /* Check that the absolute value of the addend can be
21589 encoded in 12 bits. */
21590 if (addend_abs >= 0x1000)
21591 as_bad_where (fixP->fx_file, fixP->fx_line,
21592 _("bad offset 0x%08lX (only 12 bits available for the magnitude)"),
21593 (unsigned long) addend_abs);
21595 /* Extract the instruction. */
21596 insn = md_chars_to_number (buf, INSN_SIZE);
21598 /* If the addend is negative, clear bit 23 of the instruction.
21599 Otherwise set it. */
21601 insn &= ~(1 << 23);
21605 /* Place the absolute value of the addend into the first 12 bits
21606 of the instruction. */
21607 insn &= 0xfffff000;
21608 insn |= addend_abs;
21610 /* Update the instruction. */
21611 md_number_to_chars (buf, insn, INSN_SIZE);
21615 case BFD_RELOC_ARM_LDRS_PC_G0:
21616 case BFD_RELOC_ARM_LDRS_PC_G1:
21617 case BFD_RELOC_ARM_LDRS_PC_G2:
21618 case BFD_RELOC_ARM_LDRS_SB_G0:
21619 case BFD_RELOC_ARM_LDRS_SB_G1:
21620 case BFD_RELOC_ARM_LDRS_SB_G2:
21621 gas_assert (!fixP->fx_done);
21622 if (!seg->use_rela_p)
21625 bfd_vma addend_abs = abs (value);
21627 /* Check that the absolute value of the addend can be
21628 encoded in 8 bits. */
21629 if (addend_abs >= 0x100)
21630 as_bad_where (fixP->fx_file, fixP->fx_line,
21631 _("bad offset 0x%08lX (only 8 bits available for the magnitude)"),
21632 (unsigned long) addend_abs);
21634 /* Extract the instruction. */
21635 insn = md_chars_to_number (buf, INSN_SIZE);
21637 /* If the addend is negative, clear bit 23 of the instruction.
21638 Otherwise set it. */
21640 insn &= ~(1 << 23);
21644 /* Place the first four bits of the absolute value of the addend
21645 into the first 4 bits of the instruction, and the remaining
21646 four into bits 8 .. 11. */
21647 insn &= 0xfffff0f0;
21648 insn |= (addend_abs & 0xf) | ((addend_abs & 0xf0) << 4);
21650 /* Update the instruction. */
21651 md_number_to_chars (buf, insn, INSN_SIZE);
21655 case BFD_RELOC_ARM_LDC_PC_G0:
21656 case BFD_RELOC_ARM_LDC_PC_G1:
21657 case BFD_RELOC_ARM_LDC_PC_G2:
21658 case BFD_RELOC_ARM_LDC_SB_G0:
21659 case BFD_RELOC_ARM_LDC_SB_G1:
21660 case BFD_RELOC_ARM_LDC_SB_G2:
21661 gas_assert (!fixP->fx_done);
21662 if (!seg->use_rela_p)
21665 bfd_vma addend_abs = abs (value);
21667 /* Check that the absolute value of the addend is a multiple of
21668 four and, when divided by four, fits in 8 bits. */
21669 if (addend_abs & 0x3)
21670 as_bad_where (fixP->fx_file, fixP->fx_line,
21671 _("bad offset 0x%08lX (must be word-aligned)"),
21672 (unsigned long) addend_abs);
21674 if ((addend_abs >> 2) > 0xff)
21675 as_bad_where (fixP->fx_file, fixP->fx_line,
21676 _("bad offset 0x%08lX (must be an 8-bit number of words)"),
21677 (unsigned long) addend_abs);
21679 /* Extract the instruction. */
21680 insn = md_chars_to_number (buf, INSN_SIZE);
21682 /* If the addend is negative, clear bit 23 of the instruction.
21683 Otherwise set it. */
21685 insn &= ~(1 << 23);
21689 /* Place the addend (divided by four) into the first eight
21690 bits of the instruction. */
21691 insn &= 0xfffffff0;
21692 insn |= addend_abs >> 2;
21694 /* Update the instruction. */
21695 md_number_to_chars (buf, insn, INSN_SIZE);
21699 case BFD_RELOC_ARM_V4BX:
21700 /* This will need to go in the object file. */
21704 case BFD_RELOC_UNUSED:
21706 as_bad_where (fixP->fx_file, fixP->fx_line,
21707 _("bad relocation fixup type (%d)"), fixP->fx_r_type);
21711 /* Translate internal representation of relocation info to BFD target
21715 tc_gen_reloc (asection *section, fixS *fixp)
21718 bfd_reloc_code_real_type code;
21720 reloc = (arelent *) xmalloc (sizeof (arelent));
21722 reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *));
21723 *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
21724 reloc->address = fixp->fx_frag->fr_address + fixp->fx_where;
21726 if (fixp->fx_pcrel)
21728 if (section->use_rela_p)
21729 fixp->fx_offset -= md_pcrel_from_section (fixp, section);
21731 fixp->fx_offset = reloc->address;
21733 reloc->addend = fixp->fx_offset;
21735 switch (fixp->fx_r_type)
21738 if (fixp->fx_pcrel)
21740 code = BFD_RELOC_8_PCREL;
21745 if (fixp->fx_pcrel)
21747 code = BFD_RELOC_16_PCREL;
21752 if (fixp->fx_pcrel)
21754 code = BFD_RELOC_32_PCREL;
21758 case BFD_RELOC_ARM_MOVW:
21759 if (fixp->fx_pcrel)
21761 code = BFD_RELOC_ARM_MOVW_PCREL;
21765 case BFD_RELOC_ARM_MOVT:
21766 if (fixp->fx_pcrel)
21768 code = BFD_RELOC_ARM_MOVT_PCREL;
21772 case BFD_RELOC_ARM_THUMB_MOVW:
21773 if (fixp->fx_pcrel)
21775 code = BFD_RELOC_ARM_THUMB_MOVW_PCREL;
21779 case BFD_RELOC_ARM_THUMB_MOVT:
21780 if (fixp->fx_pcrel)
21782 code = BFD_RELOC_ARM_THUMB_MOVT_PCREL;
21786 case BFD_RELOC_NONE:
21787 case BFD_RELOC_ARM_PCREL_BRANCH:
21788 case BFD_RELOC_ARM_PCREL_BLX:
21789 case BFD_RELOC_RVA:
21790 case BFD_RELOC_THUMB_PCREL_BRANCH7:
21791 case BFD_RELOC_THUMB_PCREL_BRANCH9:
21792 case BFD_RELOC_THUMB_PCREL_BRANCH12:
21793 case BFD_RELOC_THUMB_PCREL_BRANCH20:
21794 case BFD_RELOC_THUMB_PCREL_BRANCH23:
21795 case BFD_RELOC_THUMB_PCREL_BRANCH25:
21796 case BFD_RELOC_VTABLE_ENTRY:
21797 case BFD_RELOC_VTABLE_INHERIT:
21799 case BFD_RELOC_32_SECREL:
21801 code = fixp->fx_r_type;
21804 case BFD_RELOC_THUMB_PCREL_BLX:
21806 if (EF_ARM_EABI_VERSION (meabi_flags) >= EF_ARM_EABI_VER4)
21807 code = BFD_RELOC_THUMB_PCREL_BRANCH23;
21810 code = BFD_RELOC_THUMB_PCREL_BLX;
21813 case BFD_RELOC_ARM_LITERAL:
21814 case BFD_RELOC_ARM_HWLITERAL:
21815 /* If this is called then the a literal has
21816 been referenced across a section boundary. */
21817 as_bad_where (fixp->fx_file, fixp->fx_line,
21818 _("literal referenced across section boundary"));
21822 case BFD_RELOC_ARM_TLS_CALL:
21823 case BFD_RELOC_ARM_THM_TLS_CALL:
21824 case BFD_RELOC_ARM_TLS_DESCSEQ:
21825 case BFD_RELOC_ARM_THM_TLS_DESCSEQ:
21826 case BFD_RELOC_ARM_GOT32:
21827 case BFD_RELOC_ARM_GOTOFF:
21828 case BFD_RELOC_ARM_GOT_PREL:
21829 case BFD_RELOC_ARM_PLT32:
21830 case BFD_RELOC_ARM_TARGET1:
21831 case BFD_RELOC_ARM_ROSEGREL32:
21832 case BFD_RELOC_ARM_SBREL32:
21833 case BFD_RELOC_ARM_PREL31:
21834 case BFD_RELOC_ARM_TARGET2:
21835 case BFD_RELOC_ARM_TLS_LE32:
21836 case BFD_RELOC_ARM_TLS_LDO32:
21837 case BFD_RELOC_ARM_PCREL_CALL:
21838 case BFD_RELOC_ARM_PCREL_JUMP:
21839 case BFD_RELOC_ARM_ALU_PC_G0_NC:
21840 case BFD_RELOC_ARM_ALU_PC_G0:
21841 case BFD_RELOC_ARM_ALU_PC_G1_NC:
21842 case BFD_RELOC_ARM_ALU_PC_G1:
21843 case BFD_RELOC_ARM_ALU_PC_G2:
21844 case BFD_RELOC_ARM_LDR_PC_G0:
21845 case BFD_RELOC_ARM_LDR_PC_G1:
21846 case BFD_RELOC_ARM_LDR_PC_G2:
21847 case BFD_RELOC_ARM_LDRS_PC_G0:
21848 case BFD_RELOC_ARM_LDRS_PC_G1:
21849 case BFD_RELOC_ARM_LDRS_PC_G2:
21850 case BFD_RELOC_ARM_LDC_PC_G0:
21851 case BFD_RELOC_ARM_LDC_PC_G1:
21852 case BFD_RELOC_ARM_LDC_PC_G2:
21853 case BFD_RELOC_ARM_ALU_SB_G0_NC:
21854 case BFD_RELOC_ARM_ALU_SB_G0:
21855 case BFD_RELOC_ARM_ALU_SB_G1_NC:
21856 case BFD_RELOC_ARM_ALU_SB_G1:
21857 case BFD_RELOC_ARM_ALU_SB_G2:
21858 case BFD_RELOC_ARM_LDR_SB_G0:
21859 case BFD_RELOC_ARM_LDR_SB_G1:
21860 case BFD_RELOC_ARM_LDR_SB_G2:
21861 case BFD_RELOC_ARM_LDRS_SB_G0:
21862 case BFD_RELOC_ARM_LDRS_SB_G1:
21863 case BFD_RELOC_ARM_LDRS_SB_G2:
21864 case BFD_RELOC_ARM_LDC_SB_G0:
21865 case BFD_RELOC_ARM_LDC_SB_G1:
21866 case BFD_RELOC_ARM_LDC_SB_G2:
21867 case BFD_RELOC_ARM_V4BX:
21868 code = fixp->fx_r_type;
21871 case BFD_RELOC_ARM_TLS_GOTDESC:
21872 case BFD_RELOC_ARM_TLS_GD32:
21873 case BFD_RELOC_ARM_TLS_IE32:
21874 case BFD_RELOC_ARM_TLS_LDM32:
21875 /* BFD will include the symbol's address in the addend.
21876 But we don't want that, so subtract it out again here. */
21877 if (!S_IS_COMMON (fixp->fx_addsy))
21878 reloc->addend -= (*reloc->sym_ptr_ptr)->value;
21879 code = fixp->fx_r_type;
21883 case BFD_RELOC_ARM_IMMEDIATE:
21884 as_bad_where (fixp->fx_file, fixp->fx_line,
21885 _("internal relocation (type: IMMEDIATE) not fixed up"));
21888 case BFD_RELOC_ARM_ADRL_IMMEDIATE:
21889 as_bad_where (fixp->fx_file, fixp->fx_line,
21890 _("ADRL used for a symbol not defined in the same file"));
21893 case BFD_RELOC_ARM_OFFSET_IMM:
21894 if (section->use_rela_p)
21896 code = fixp->fx_r_type;
21900 if (fixp->fx_addsy != NULL
21901 && !S_IS_DEFINED (fixp->fx_addsy)
21902 && S_IS_LOCAL (fixp->fx_addsy))
21904 as_bad_where (fixp->fx_file, fixp->fx_line,
21905 _("undefined local label `%s'"),
21906 S_GET_NAME (fixp->fx_addsy));
21910 as_bad_where (fixp->fx_file, fixp->fx_line,
21911 _("internal_relocation (type: OFFSET_IMM) not fixed up"));
21918 switch (fixp->fx_r_type)
21920 case BFD_RELOC_NONE: type = "NONE"; break;
21921 case BFD_RELOC_ARM_OFFSET_IMM8: type = "OFFSET_IMM8"; break;
21922 case BFD_RELOC_ARM_SHIFT_IMM: type = "SHIFT_IMM"; break;
21923 case BFD_RELOC_ARM_SMC: type = "SMC"; break;
21924 case BFD_RELOC_ARM_SWI: type = "SWI"; break;
21925 case BFD_RELOC_ARM_MULTI: type = "MULTI"; break;
21926 case BFD_RELOC_ARM_CP_OFF_IMM: type = "CP_OFF_IMM"; break;
21927 case BFD_RELOC_ARM_T32_OFFSET_IMM: type = "T32_OFFSET_IMM"; break;
21928 case BFD_RELOC_ARM_T32_CP_OFF_IMM: type = "T32_CP_OFF_IMM"; break;
21929 case BFD_RELOC_ARM_THUMB_ADD: type = "THUMB_ADD"; break;
21930 case BFD_RELOC_ARM_THUMB_SHIFT: type = "THUMB_SHIFT"; break;
21931 case BFD_RELOC_ARM_THUMB_IMM: type = "THUMB_IMM"; break;
21932 case BFD_RELOC_ARM_THUMB_OFFSET: type = "THUMB_OFFSET"; break;
21933 default: type = _("<unknown>"); break;
21935 as_bad_where (fixp->fx_file, fixp->fx_line,
21936 _("cannot represent %s relocation in this object file format"),
21943 if ((code == BFD_RELOC_32_PCREL || code == BFD_RELOC_32)
21945 && fixp->fx_addsy == GOT_symbol)
21947 code = BFD_RELOC_ARM_GOTPC;
21948 reloc->addend = fixp->fx_offset = reloc->address;
21952 reloc->howto = bfd_reloc_type_lookup (stdoutput, code);
21954 if (reloc->howto == NULL)
21956 as_bad_where (fixp->fx_file, fixp->fx_line,
21957 _("cannot represent %s relocation in this object file format"),
21958 bfd_get_reloc_code_name (code));
21962 /* HACK: Since arm ELF uses Rel instead of Rela, encode the
21963 vtable entry to be used in the relocation's section offset. */
21964 if (fixp->fx_r_type == BFD_RELOC_VTABLE_ENTRY)
21965 reloc->address = fixp->fx_offset;
21970 /* This fix_new is called by cons via TC_CONS_FIX_NEW. */
21973 cons_fix_new_arm (fragS * frag,
21978 bfd_reloc_code_real_type type;
21982 FIXME: @@ Should look at CPU word size. */
21986 type = BFD_RELOC_8;
21989 type = BFD_RELOC_16;
21993 type = BFD_RELOC_32;
21996 type = BFD_RELOC_64;
22001 if (exp->X_op == O_secrel)
22003 exp->X_op = O_symbol;
22004 type = BFD_RELOC_32_SECREL;
22008 fix_new_exp (frag, where, (int) size, exp, pcrel, type);
22011 #if defined (OBJ_COFF)
22013 arm_validate_fix (fixS * fixP)
22015 /* If the destination of the branch is a defined symbol which does not have
22016 the THUMB_FUNC attribute, then we must be calling a function which has
22017 the (interfacearm) attribute. We look for the Thumb entry point to that
22018 function and change the branch to refer to that function instead. */
22019 if (fixP->fx_r_type == BFD_RELOC_THUMB_PCREL_BRANCH23
22020 && fixP->fx_addsy != NULL
22021 && S_IS_DEFINED (fixP->fx_addsy)
22022 && ! THUMB_IS_FUNC (fixP->fx_addsy))
22024 fixP->fx_addsy = find_real_start (fixP->fx_addsy);
22031 arm_force_relocation (struct fix * fixp)
22033 #if defined (OBJ_COFF) && defined (TE_PE)
22034 if (fixp->fx_r_type == BFD_RELOC_RVA)
22038 /* In case we have a call or a branch to a function in ARM ISA mode from
22039 a thumb function or vice-versa force the relocation. These relocations
22040 are cleared off for some cores that might have blx and simple transformations
22044 switch (fixp->fx_r_type)
22046 case BFD_RELOC_ARM_PCREL_JUMP:
22047 case BFD_RELOC_ARM_PCREL_CALL:
22048 case BFD_RELOC_THUMB_PCREL_BLX:
22049 if (THUMB_IS_FUNC (fixp->fx_addsy))
22053 case BFD_RELOC_ARM_PCREL_BLX:
22054 case BFD_RELOC_THUMB_PCREL_BRANCH25:
22055 case BFD_RELOC_THUMB_PCREL_BRANCH20:
22056 case BFD_RELOC_THUMB_PCREL_BRANCH23:
22057 if (ARM_IS_FUNC (fixp->fx_addsy))
22066 /* Resolve these relocations even if the symbol is extern or weak.
22067 Technically this is probably wrong due to symbol preemption.
22068 In practice these relocations do not have enough range to be useful
22069 at dynamic link time, and some code (e.g. in the Linux kernel)
22070 expects these references to be resolved. */
22071 if (fixp->fx_r_type == BFD_RELOC_ARM_IMMEDIATE
22072 || fixp->fx_r_type == BFD_RELOC_ARM_OFFSET_IMM
22073 || fixp->fx_r_type == BFD_RELOC_ARM_OFFSET_IMM8
22074 || fixp->fx_r_type == BFD_RELOC_ARM_ADRL_IMMEDIATE
22075 || fixp->fx_r_type == BFD_RELOC_ARM_CP_OFF_IMM
22076 || fixp->fx_r_type == BFD_RELOC_ARM_CP_OFF_IMM_S2
22077 || fixp->fx_r_type == BFD_RELOC_ARM_THUMB_OFFSET
22078 || fixp->fx_r_type == BFD_RELOC_ARM_T32_ADD_IMM
22079 || fixp->fx_r_type == BFD_RELOC_ARM_T32_IMMEDIATE
22080 || fixp->fx_r_type == BFD_RELOC_ARM_T32_IMM12
22081 || fixp->fx_r_type == BFD_RELOC_ARM_T32_OFFSET_IMM
22082 || fixp->fx_r_type == BFD_RELOC_ARM_T32_ADD_PC12
22083 || fixp->fx_r_type == BFD_RELOC_ARM_T32_CP_OFF_IMM
22084 || fixp->fx_r_type == BFD_RELOC_ARM_T32_CP_OFF_IMM_S2)
22087 /* Always leave these relocations for the linker. */
22088 if ((fixp->fx_r_type >= BFD_RELOC_ARM_ALU_PC_G0_NC
22089 && fixp->fx_r_type <= BFD_RELOC_ARM_LDC_SB_G2)
22090 || fixp->fx_r_type == BFD_RELOC_ARM_LDR_PC_G0)
22093 /* Always generate relocations against function symbols. */
22094 if (fixp->fx_r_type == BFD_RELOC_32
22096 && (symbol_get_bfdsym (fixp->fx_addsy)->flags & BSF_FUNCTION))
22099 return generic_force_reloc (fixp);
22102 #if defined (OBJ_ELF) || defined (OBJ_COFF)
22103 /* Relocations against function names must be left unadjusted,
22104 so that the linker can use this information to generate interworking
22105 stubs. The MIPS version of this function
22106 also prevents relocations that are mips-16 specific, but I do not
22107 know why it does this.
22110 There is one other problem that ought to be addressed here, but
22111 which currently is not: Taking the address of a label (rather
22112 than a function) and then later jumping to that address. Such
22113 addresses also ought to have their bottom bit set (assuming that
22114 they reside in Thumb code), but at the moment they will not. */
22117 arm_fix_adjustable (fixS * fixP)
22119 if (fixP->fx_addsy == NULL)
22122 /* Preserve relocations against symbols with function type. */
22123 if (symbol_get_bfdsym (fixP->fx_addsy)->flags & BSF_FUNCTION)
22126 if (THUMB_IS_FUNC (fixP->fx_addsy)
22127 && fixP->fx_subsy == NULL)
22130 /* We need the symbol name for the VTABLE entries. */
22131 if ( fixP->fx_r_type == BFD_RELOC_VTABLE_INHERIT
22132 || fixP->fx_r_type == BFD_RELOC_VTABLE_ENTRY)
22135 /* Don't allow symbols to be discarded on GOT related relocs. */
22136 if (fixP->fx_r_type == BFD_RELOC_ARM_PLT32
22137 || fixP->fx_r_type == BFD_RELOC_ARM_GOT32
22138 || fixP->fx_r_type == BFD_RELOC_ARM_GOTOFF
22139 || fixP->fx_r_type == BFD_RELOC_ARM_TLS_GD32
22140 || fixP->fx_r_type == BFD_RELOC_ARM_TLS_LE32
22141 || fixP->fx_r_type == BFD_RELOC_ARM_TLS_IE32
22142 || fixP->fx_r_type == BFD_RELOC_ARM_TLS_LDM32
22143 || fixP->fx_r_type == BFD_RELOC_ARM_TLS_LDO32
22144 || fixP->fx_r_type == BFD_RELOC_ARM_TLS_GOTDESC
22145 || fixP->fx_r_type == BFD_RELOC_ARM_TLS_CALL
22146 || fixP->fx_r_type == BFD_RELOC_ARM_THM_TLS_CALL
22147 || fixP->fx_r_type == BFD_RELOC_ARM_TLS_DESCSEQ
22148 || fixP->fx_r_type == BFD_RELOC_ARM_THM_TLS_DESCSEQ
22149 || fixP->fx_r_type == BFD_RELOC_ARM_TARGET2)
22152 /* Similarly for group relocations. */
22153 if ((fixP->fx_r_type >= BFD_RELOC_ARM_ALU_PC_G0_NC
22154 && fixP->fx_r_type <= BFD_RELOC_ARM_LDC_SB_G2)
22155 || fixP->fx_r_type == BFD_RELOC_ARM_LDR_PC_G0)
22158 /* MOVW/MOVT REL relocations have limited offsets, so keep the symbols. */
22159 if (fixP->fx_r_type == BFD_RELOC_ARM_MOVW
22160 || fixP->fx_r_type == BFD_RELOC_ARM_MOVT
22161 || fixP->fx_r_type == BFD_RELOC_ARM_MOVW_PCREL
22162 || fixP->fx_r_type == BFD_RELOC_ARM_MOVT_PCREL
22163 || fixP->fx_r_type == BFD_RELOC_ARM_THUMB_MOVW
22164 || fixP->fx_r_type == BFD_RELOC_ARM_THUMB_MOVT
22165 || fixP->fx_r_type == BFD_RELOC_ARM_THUMB_MOVW_PCREL
22166 || fixP->fx_r_type == BFD_RELOC_ARM_THUMB_MOVT_PCREL)
22171 #endif /* defined (OBJ_ELF) || defined (OBJ_COFF) */
22176 elf32_arm_target_format (void)
22179 return (target_big_endian
22180 ? "elf32-bigarm-symbian"
22181 : "elf32-littlearm-symbian");
22182 #elif defined (TE_VXWORKS)
22183 return (target_big_endian
22184 ? "elf32-bigarm-vxworks"
22185 : "elf32-littlearm-vxworks");
22187 if (target_big_endian)
22188 return "elf32-bigarm";
22190 return "elf32-littlearm";
22195 armelf_frob_symbol (symbolS * symp,
22198 elf_frob_symbol (symp, puntp);
22202 /* MD interface: Finalization. */
22207 literal_pool * pool;
22209 /* Ensure that all the IT blocks are properly closed. */
22210 check_it_blocks_finished ();
22212 for (pool = list_of_pools; pool; pool = pool->next)
22214 /* Put it at the end of the relevant section. */
22215 subseg_set (pool->section, pool->sub_section);
22217 arm_elf_change_section ();
22224 /* Remove any excess mapping symbols generated for alignment frags in
22225 SEC. We may have created a mapping symbol before a zero byte
22226 alignment; remove it if there's a mapping symbol after the
22229 check_mapping_symbols (bfd *abfd ATTRIBUTE_UNUSED, asection *sec,
22230 void *dummy ATTRIBUTE_UNUSED)
22232 segment_info_type *seginfo = seg_info (sec);
22235 if (seginfo == NULL || seginfo->frchainP == NULL)
22238 for (fragp = seginfo->frchainP->frch_root;
22240 fragp = fragp->fr_next)
22242 symbolS *sym = fragp->tc_frag_data.last_map;
22243 fragS *next = fragp->fr_next;
22245 /* Variable-sized frags have been converted to fixed size by
22246 this point. But if this was variable-sized to start with,
22247 there will be a fixed-size frag after it. So don't handle
22249 if (sym == NULL || next == NULL)
22252 if (S_GET_VALUE (sym) < next->fr_address)
22253 /* Not at the end of this frag. */
22255 know (S_GET_VALUE (sym) == next->fr_address);
22259 if (next->tc_frag_data.first_map != NULL)
22261 /* Next frag starts with a mapping symbol. Discard this
22263 symbol_remove (sym, &symbol_rootP, &symbol_lastP);
22267 if (next->fr_next == NULL)
22269 /* This mapping symbol is at the end of the section. Discard
22271 know (next->fr_fix == 0 && next->fr_var == 0);
22272 symbol_remove (sym, &symbol_rootP, &symbol_lastP);
22276 /* As long as we have empty frags without any mapping symbols,
22278 /* If the next frag is non-empty and does not start with a
22279 mapping symbol, then this mapping symbol is required. */
22280 if (next->fr_address != next->fr_next->fr_address)
22283 next = next->fr_next;
22285 while (next != NULL);
22290 /* Adjust the symbol table. This marks Thumb symbols as distinct from
22294 arm_adjust_symtab (void)
22299 for (sym = symbol_rootP; sym != NULL; sym = symbol_next (sym))
22301 if (ARM_IS_THUMB (sym))
22303 if (THUMB_IS_FUNC (sym))
22305 /* Mark the symbol as a Thumb function. */
22306 if ( S_GET_STORAGE_CLASS (sym) == C_STAT
22307 || S_GET_STORAGE_CLASS (sym) == C_LABEL) /* This can happen! */
22308 S_SET_STORAGE_CLASS (sym, C_THUMBSTATFUNC);
22310 else if (S_GET_STORAGE_CLASS (sym) == C_EXT)
22311 S_SET_STORAGE_CLASS (sym, C_THUMBEXTFUNC);
22313 as_bad (_("%s: unexpected function type: %d"),
22314 S_GET_NAME (sym), S_GET_STORAGE_CLASS (sym));
22316 else switch (S_GET_STORAGE_CLASS (sym))
22319 S_SET_STORAGE_CLASS (sym, C_THUMBEXT);
22322 S_SET_STORAGE_CLASS (sym, C_THUMBSTAT);
22325 S_SET_STORAGE_CLASS (sym, C_THUMBLABEL);
22333 if (ARM_IS_INTERWORK (sym))
22334 coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_flags = 0xFF;
22341 for (sym = symbol_rootP; sym != NULL; sym = symbol_next (sym))
22343 if (ARM_IS_THUMB (sym))
22345 elf_symbol_type * elf_sym;
22347 elf_sym = elf_symbol (symbol_get_bfdsym (sym));
22348 bind = ELF_ST_BIND (elf_sym->internal_elf_sym.st_info);
22350 if (! bfd_is_arm_special_symbol_name (elf_sym->symbol.name,
22351 BFD_ARM_SPECIAL_SYM_TYPE_ANY))
22353 /* If it's a .thumb_func, declare it as so,
22354 otherwise tag label as .code 16. */
22355 if (THUMB_IS_FUNC (sym))
22356 elf_sym->internal_elf_sym.st_target_internal
22357 = ST_BRANCH_TO_THUMB;
22358 else if (EF_ARM_EABI_VERSION (meabi_flags) < EF_ARM_EABI_VER4)
22359 elf_sym->internal_elf_sym.st_info =
22360 ELF_ST_INFO (bind, STT_ARM_16BIT);
22365 /* Remove any overlapping mapping symbols generated by alignment frags. */
22366 bfd_map_over_sections (stdoutput, check_mapping_symbols, (char *) 0);
22367 /* Now do generic ELF adjustments. */
22368 elf_adjust_symtab ();
22372 /* MD interface: Initialization. */
22375 set_constant_flonums (void)
22379 for (i = 0; i < NUM_FLOAT_VALS; i++)
22380 if (atof_ieee ((char *) fp_const[i], 'x', fp_values[i]) == NULL)
22384 /* Auto-select Thumb mode if it's the only available instruction set for the
22385 given architecture. */
22388 autoselect_thumb_from_cpu_variant (void)
22390 if (!ARM_CPU_HAS_FEATURE (cpu_variant, arm_ext_v1))
22391 opcode_select (16);
22400 if ( (arm_ops_hsh = hash_new ()) == NULL
22401 || (arm_cond_hsh = hash_new ()) == NULL
22402 || (arm_shift_hsh = hash_new ()) == NULL
22403 || (arm_psr_hsh = hash_new ()) == NULL
22404 || (arm_v7m_psr_hsh = hash_new ()) == NULL
22405 || (arm_reg_hsh = hash_new ()) == NULL
22406 || (arm_reloc_hsh = hash_new ()) == NULL
22407 || (arm_barrier_opt_hsh = hash_new ()) == NULL)
22408 as_fatal (_("virtual memory exhausted"));
22410 for (i = 0; i < sizeof (insns) / sizeof (struct asm_opcode); i++)
22411 hash_insert (arm_ops_hsh, insns[i].template_name, (void *) (insns + i));
22412 for (i = 0; i < sizeof (conds) / sizeof (struct asm_cond); i++)
22413 hash_insert (arm_cond_hsh, conds[i].template_name, (void *) (conds + i));
22414 for (i = 0; i < sizeof (shift_names) / sizeof (struct asm_shift_name); i++)
22415 hash_insert (arm_shift_hsh, shift_names[i].name, (void *) (shift_names + i));
22416 for (i = 0; i < sizeof (psrs) / sizeof (struct asm_psr); i++)
22417 hash_insert (arm_psr_hsh, psrs[i].template_name, (void *) (psrs + i));
22418 for (i = 0; i < sizeof (v7m_psrs) / sizeof (struct asm_psr); i++)
22419 hash_insert (arm_v7m_psr_hsh, v7m_psrs[i].template_name,
22420 (void *) (v7m_psrs + i));
22421 for (i = 0; i < sizeof (reg_names) / sizeof (struct reg_entry); i++)
22422 hash_insert (arm_reg_hsh, reg_names[i].name, (void *) (reg_names + i));
22424 i < sizeof (barrier_opt_names) / sizeof (struct asm_barrier_opt);
22426 hash_insert (arm_barrier_opt_hsh, barrier_opt_names[i].template_name,
22427 (void *) (barrier_opt_names + i));
22429 for (i = 0; i < ARRAY_SIZE (reloc_names); i++)
22431 struct reloc_entry * entry = reloc_names + i;
22433 if (arm_is_eabi() && entry->reloc == BFD_RELOC_ARM_PLT32)
22434 /* This makes encode_branch() use the EABI versions of this relocation. */
22435 entry->reloc = BFD_RELOC_UNUSED;
22437 hash_insert (arm_reloc_hsh, entry->name, (void *) entry);
22441 set_constant_flonums ();
22443 /* Set the cpu variant based on the command-line options. We prefer
22444 -mcpu= over -march= if both are set (as for GCC); and we prefer
22445 -mfpu= over any other way of setting the floating point unit.
22446 Use of legacy options with new options are faulted. */
22449 if (mcpu_cpu_opt || march_cpu_opt)
22450 as_bad (_("use of old and new-style options to set CPU type"));
22452 mcpu_cpu_opt = legacy_cpu;
22454 else if (!mcpu_cpu_opt)
22455 mcpu_cpu_opt = march_cpu_opt;
22460 as_bad (_("use of old and new-style options to set FPU type"));
22462 mfpu_opt = legacy_fpu;
22464 else if (!mfpu_opt)
22466 #if !(defined (EABI_DEFAULT) || defined (TE_LINUX) \
22467 || defined (TE_NetBSD) || defined (TE_VXWORKS))
22468 /* Some environments specify a default FPU. If they don't, infer it
22469 from the processor. */
22471 mfpu_opt = mcpu_fpu_opt;
22473 mfpu_opt = march_fpu_opt;
22475 mfpu_opt = &fpu_default;
22481 if (mcpu_cpu_opt != NULL)
22482 mfpu_opt = &fpu_default;
22483 else if (mcpu_fpu_opt != NULL && ARM_CPU_HAS_FEATURE (*mcpu_fpu_opt, arm_ext_v5))
22484 mfpu_opt = &fpu_arch_vfp_v2;
22486 mfpu_opt = &fpu_arch_fpa;
22492 mcpu_cpu_opt = &cpu_default;
22493 selected_cpu = cpu_default;
22497 selected_cpu = *mcpu_cpu_opt;
22499 mcpu_cpu_opt = &arm_arch_any;
22502 ARM_MERGE_FEATURE_SETS (cpu_variant, *mcpu_cpu_opt, *mfpu_opt);
22504 autoselect_thumb_from_cpu_variant ();
22506 arm_arch_used = thumb_arch_used = arm_arch_none;
22508 #if defined OBJ_COFF || defined OBJ_ELF
22510 unsigned int flags = 0;
22512 #if defined OBJ_ELF
22513 flags = meabi_flags;
22515 switch (meabi_flags)
22517 case EF_ARM_EABI_UNKNOWN:
22519 /* Set the flags in the private structure. */
22520 if (uses_apcs_26) flags |= F_APCS26;
22521 if (support_interwork) flags |= F_INTERWORK;
22522 if (uses_apcs_float) flags |= F_APCS_FLOAT;
22523 if (pic_code) flags |= F_PIC;
22524 if (!ARM_CPU_HAS_FEATURE (cpu_variant, fpu_any_hard))
22525 flags |= F_SOFT_FLOAT;
22527 switch (mfloat_abi_opt)
22529 case ARM_FLOAT_ABI_SOFT:
22530 case ARM_FLOAT_ABI_SOFTFP:
22531 flags |= F_SOFT_FLOAT;
22534 case ARM_FLOAT_ABI_HARD:
22535 if (flags & F_SOFT_FLOAT)
22536 as_bad (_("hard-float conflicts with specified fpu"));
22540 /* Using pure-endian doubles (even if soft-float). */
22541 if (ARM_CPU_HAS_FEATURE (cpu_variant, fpu_endian_pure))
22542 flags |= F_VFP_FLOAT;
22544 #if defined OBJ_ELF
22545 if (ARM_CPU_HAS_FEATURE (cpu_variant, fpu_arch_maverick))
22546 flags |= EF_ARM_MAVERICK_FLOAT;
22549 case EF_ARM_EABI_VER4:
22550 case EF_ARM_EABI_VER5:
22551 /* No additional flags to set. */
22558 bfd_set_private_flags (stdoutput, flags);
22560 /* We have run out flags in the COFF header to encode the
22561 status of ATPCS support, so instead we create a dummy,
22562 empty, debug section called .arm.atpcs. */
22567 sec = bfd_make_section (stdoutput, ".arm.atpcs");
22571 bfd_set_section_flags
22572 (stdoutput, sec, SEC_READONLY | SEC_DEBUGGING /* | SEC_HAS_CONTENTS */);
22573 bfd_set_section_size (stdoutput, sec, 0);
22574 bfd_set_section_contents (stdoutput, sec, NULL, 0, 0);
22580 /* Record the CPU type as well. */
22581 if (ARM_CPU_HAS_FEATURE (cpu_variant, arm_cext_iwmmxt2))
22582 mach = bfd_mach_arm_iWMMXt2;
22583 else if (ARM_CPU_HAS_FEATURE (cpu_variant, arm_cext_iwmmxt))
22584 mach = bfd_mach_arm_iWMMXt;
22585 else if (ARM_CPU_HAS_FEATURE (cpu_variant, arm_cext_xscale))
22586 mach = bfd_mach_arm_XScale;
22587 else if (ARM_CPU_HAS_FEATURE (cpu_variant, arm_cext_maverick))
22588 mach = bfd_mach_arm_ep9312;
22589 else if (ARM_CPU_HAS_FEATURE (cpu_variant, arm_ext_v5e))
22590 mach = bfd_mach_arm_5TE;
22591 else if (ARM_CPU_HAS_FEATURE (cpu_variant, arm_ext_v5))
22593 if (ARM_CPU_HAS_FEATURE (cpu_variant, arm_ext_v4t))
22594 mach = bfd_mach_arm_5T;
22596 mach = bfd_mach_arm_5;
22598 else if (ARM_CPU_HAS_FEATURE (cpu_variant, arm_ext_v4))
22600 if (ARM_CPU_HAS_FEATURE (cpu_variant, arm_ext_v4t))
22601 mach = bfd_mach_arm_4T;
22603 mach = bfd_mach_arm_4;
22605 else if (ARM_CPU_HAS_FEATURE (cpu_variant, arm_ext_v3m))
22606 mach = bfd_mach_arm_3M;
22607 else if (ARM_CPU_HAS_FEATURE (cpu_variant, arm_ext_v3))
22608 mach = bfd_mach_arm_3;
22609 else if (ARM_CPU_HAS_FEATURE (cpu_variant, arm_ext_v2s))
22610 mach = bfd_mach_arm_2a;
22611 else if (ARM_CPU_HAS_FEATURE (cpu_variant, arm_ext_v2))
22612 mach = bfd_mach_arm_2;
22614 mach = bfd_mach_arm_unknown;
22616 bfd_set_arch_mach (stdoutput, TARGET_ARCH, mach);
22619 /* Command line processing. */
22622 Invocation line includes a switch not recognized by the base assembler.
22623 See if it's a processor-specific option.
22625 This routine is somewhat complicated by the need for backwards
22626 compatibility (since older releases of gcc can't be changed).
22627 The new options try to make the interface as compatible as
22630 New options (supported) are:
22632 -mcpu=<cpu name> Assemble for selected processor
22633 -march=<architecture name> Assemble for selected architecture
22634 -mfpu=<fpu architecture> Assemble for selected FPU.
22635 -EB/-mbig-endian Big-endian
22636 -EL/-mlittle-endian Little-endian
22637 -k Generate PIC code
22638 -mthumb Start in Thumb mode
22639 -mthumb-interwork Code supports ARM/Thumb interworking
22641 -m[no-]warn-deprecated Warn about deprecated features
22643 For now we will also provide support for:
22645 -mapcs-32 32-bit Program counter
22646 -mapcs-26 26-bit Program counter
22647 -macps-float Floats passed in FP registers
22648 -mapcs-reentrant Reentrant code
22650 (sometime these will probably be replaced with -mapcs=<list of options>
22651 and -matpcs=<list of options>)
22653 The remaining options are only supported for back-wards compatibility.
22654 Cpu variants, the arm part is optional:
22655 -m[arm]1 Currently not supported.
22656 -m[arm]2, -m[arm]250 Arm 2 and Arm 250 processor
22657 -m[arm]3 Arm 3 processor
22658 -m[arm]6[xx], Arm 6 processors
22659 -m[arm]7[xx][t][[d]m] Arm 7 processors
22660 -m[arm]8[10] Arm 8 processors
22661 -m[arm]9[20][tdmi] Arm 9 processors
22662 -mstrongarm[110[0]] StrongARM processors
22663 -mxscale XScale processors
22664 -m[arm]v[2345[t[e]]] Arm architectures
22665 -mall All (except the ARM1)
22667 -mfpa10, -mfpa11 FPA10 and 11 co-processor instructions
22668 -mfpe-old (No float load/store multiples)
22669 -mvfpxd VFP Single precision
22671 -mno-fpu Disable all floating point instructions
22673 The following CPU names are recognized:
22674 arm1, arm2, arm250, arm3, arm6, arm600, arm610, arm620,
22675 arm7, arm7m, arm7d, arm7dm, arm7di, arm7dmi, arm70, arm700,
22676 arm700i, arm710 arm710t, arm720, arm720t, arm740t, arm710c,
22677 arm7100, arm7500, arm7500fe, arm7tdmi, arm8, arm810, arm9,
22678 arm920, arm920t, arm940t, arm946, arm966, arm9tdmi, arm9e,
22679 arm10t arm10e, arm1020t, arm1020e, arm10200e,
22680 strongarm, strongarm110, strongarm1100, strongarm1110, xscale.
22684 const char * md_shortopts = "m:k";
22686 #ifdef ARM_BI_ENDIAN
22687 #define OPTION_EB (OPTION_MD_BASE + 0)
22688 #define OPTION_EL (OPTION_MD_BASE + 1)
22690 #if TARGET_BYTES_BIG_ENDIAN
22691 #define OPTION_EB (OPTION_MD_BASE + 0)
22693 #define OPTION_EL (OPTION_MD_BASE + 1)
22696 #define OPTION_FIX_V4BX (OPTION_MD_BASE + 2)
22698 struct option md_longopts[] =
22701 {"EB", no_argument, NULL, OPTION_EB},
22704 {"EL", no_argument, NULL, OPTION_EL},
22706 {"fix-v4bx", no_argument, NULL, OPTION_FIX_V4BX},
22707 {NULL, no_argument, NULL, 0}
22710 size_t md_longopts_size = sizeof (md_longopts);
22712 struct arm_option_table
22714 char *option; /* Option name to match. */
22715 char *help; /* Help information. */
22716 int *var; /* Variable to change. */
22717 int value; /* What to change it to. */
22718 char *deprecated; /* If non-null, print this message. */
22721 struct arm_option_table arm_opts[] =
22723 {"k", N_("generate PIC code"), &pic_code, 1, NULL},
22724 {"mthumb", N_("assemble Thumb code"), &thumb_mode, 1, NULL},
22725 {"mthumb-interwork", N_("support ARM/Thumb interworking"),
22726 &support_interwork, 1, NULL},
22727 {"mapcs-32", N_("code uses 32-bit program counter"), &uses_apcs_26, 0, NULL},
22728 {"mapcs-26", N_("code uses 26-bit program counter"), &uses_apcs_26, 1, NULL},
22729 {"mapcs-float", N_("floating point args are in fp regs"), &uses_apcs_float,
22731 {"mapcs-reentrant", N_("re-entrant code"), &pic_code, 1, NULL},
22732 {"matpcs", N_("code is ATPCS conformant"), &atpcs, 1, NULL},
22733 {"mbig-endian", N_("assemble for big-endian"), &target_big_endian, 1, NULL},
22734 {"mlittle-endian", N_("assemble for little-endian"), &target_big_endian, 0,
22737 /* These are recognized by the assembler, but have no affect on code. */
22738 {"mapcs-frame", N_("use frame pointer"), NULL, 0, NULL},
22739 {"mapcs-stack-check", N_("use stack size checking"), NULL, 0, NULL},
22741 {"mwarn-deprecated", NULL, &warn_on_deprecated, 1, NULL},
22742 {"mno-warn-deprecated", N_("do not warn on use of deprecated feature"),
22743 &warn_on_deprecated, 0, NULL},
22744 {NULL, NULL, NULL, 0, NULL}
22747 struct arm_legacy_option_table
22749 char *option; /* Option name to match. */
22750 const arm_feature_set **var; /* Variable to change. */
22751 const arm_feature_set value; /* What to change it to. */
22752 char *deprecated; /* If non-null, print this message. */
22755 const struct arm_legacy_option_table arm_legacy_opts[] =
22757 /* DON'T add any new processors to this list -- we want the whole list
22758 to go away... Add them to the processors table instead. */
22759 {"marm1", &legacy_cpu, ARM_ARCH_V1, N_("use -mcpu=arm1")},
22760 {"m1", &legacy_cpu, ARM_ARCH_V1, N_("use -mcpu=arm1")},
22761 {"marm2", &legacy_cpu, ARM_ARCH_V2, N_("use -mcpu=arm2")},
22762 {"m2", &legacy_cpu, ARM_ARCH_V2, N_("use -mcpu=arm2")},
22763 {"marm250", &legacy_cpu, ARM_ARCH_V2S, N_("use -mcpu=arm250")},
22764 {"m250", &legacy_cpu, ARM_ARCH_V2S, N_("use -mcpu=arm250")},
22765 {"marm3", &legacy_cpu, ARM_ARCH_V2S, N_("use -mcpu=arm3")},
22766 {"m3", &legacy_cpu, ARM_ARCH_V2S, N_("use -mcpu=arm3")},
22767 {"marm6", &legacy_cpu, ARM_ARCH_V3, N_("use -mcpu=arm6")},
22768 {"m6", &legacy_cpu, ARM_ARCH_V3, N_("use -mcpu=arm6")},
22769 {"marm600", &legacy_cpu, ARM_ARCH_V3, N_("use -mcpu=arm600")},
22770 {"m600", &legacy_cpu, ARM_ARCH_V3, N_("use -mcpu=arm600")},
22771 {"marm610", &legacy_cpu, ARM_ARCH_V3, N_("use -mcpu=arm610")},
22772 {"m610", &legacy_cpu, ARM_ARCH_V3, N_("use -mcpu=arm610")},
22773 {"marm620", &legacy_cpu, ARM_ARCH_V3, N_("use -mcpu=arm620")},
22774 {"m620", &legacy_cpu, ARM_ARCH_V3, N_("use -mcpu=arm620")},
22775 {"marm7", &legacy_cpu, ARM_ARCH_V3, N_("use -mcpu=arm7")},
22776 {"m7", &legacy_cpu, ARM_ARCH_V3, N_("use -mcpu=arm7")},
22777 {"marm70", &legacy_cpu, ARM_ARCH_V3, N_("use -mcpu=arm70")},
22778 {"m70", &legacy_cpu, ARM_ARCH_V3, N_("use -mcpu=arm70")},
22779 {"marm700", &legacy_cpu, ARM_ARCH_V3, N_("use -mcpu=arm700")},
22780 {"m700", &legacy_cpu, ARM_ARCH_V3, N_("use -mcpu=arm700")},
22781 {"marm700i", &legacy_cpu, ARM_ARCH_V3, N_("use -mcpu=arm700i")},
22782 {"m700i", &legacy_cpu, ARM_ARCH_V3, N_("use -mcpu=arm700i")},
22783 {"marm710", &legacy_cpu, ARM_ARCH_V3, N_("use -mcpu=arm710")},
22784 {"m710", &legacy_cpu, ARM_ARCH_V3, N_("use -mcpu=arm710")},
22785 {"marm710c", &legacy_cpu, ARM_ARCH_V3, N_("use -mcpu=arm710c")},
22786 {"m710c", &legacy_cpu, ARM_ARCH_V3, N_("use -mcpu=arm710c")},
22787 {"marm720", &legacy_cpu, ARM_ARCH_V3, N_("use -mcpu=arm720")},
22788 {"m720", &legacy_cpu, ARM_ARCH_V3, N_("use -mcpu=arm720")},
22789 {"marm7d", &legacy_cpu, ARM_ARCH_V3, N_("use -mcpu=arm7d")},
22790 {"m7d", &legacy_cpu, ARM_ARCH_V3, N_("use -mcpu=arm7d")},
22791 {"marm7di", &legacy_cpu, ARM_ARCH_V3, N_("use -mcpu=arm7di")},
22792 {"m7di", &legacy_cpu, ARM_ARCH_V3, N_("use -mcpu=arm7di")},
22793 {"marm7m", &legacy_cpu, ARM_ARCH_V3M, N_("use -mcpu=arm7m")},
22794 {"m7m", &legacy_cpu, ARM_ARCH_V3M, N_("use -mcpu=arm7m")},
22795 {"marm7dm", &legacy_cpu, ARM_ARCH_V3M, N_("use -mcpu=arm7dm")},
22796 {"m7dm", &legacy_cpu, ARM_ARCH_V3M, N_("use -mcpu=arm7dm")},
22797 {"marm7dmi", &legacy_cpu, ARM_ARCH_V3M, N_("use -mcpu=arm7dmi")},
22798 {"m7dmi", &legacy_cpu, ARM_ARCH_V3M, N_("use -mcpu=arm7dmi")},
22799 {"marm7100", &legacy_cpu, ARM_ARCH_V3, N_("use -mcpu=arm7100")},
22800 {"m7100", &legacy_cpu, ARM_ARCH_V3, N_("use -mcpu=arm7100")},
22801 {"marm7500", &legacy_cpu, ARM_ARCH_V3, N_("use -mcpu=arm7500")},
22802 {"m7500", &legacy_cpu, ARM_ARCH_V3, N_("use -mcpu=arm7500")},
22803 {"marm7500fe", &legacy_cpu, ARM_ARCH_V3, N_("use -mcpu=arm7500fe")},
22804 {"m7500fe", &legacy_cpu, ARM_ARCH_V3, N_("use -mcpu=arm7500fe")},
22805 {"marm7t", &legacy_cpu, ARM_ARCH_V4T, N_("use -mcpu=arm7tdmi")},
22806 {"m7t", &legacy_cpu, ARM_ARCH_V4T, N_("use -mcpu=arm7tdmi")},
22807 {"marm7tdmi", &legacy_cpu, ARM_ARCH_V4T, N_("use -mcpu=arm7tdmi")},
22808 {"m7tdmi", &legacy_cpu, ARM_ARCH_V4T, N_("use -mcpu=arm7tdmi")},
22809 {"marm710t", &legacy_cpu, ARM_ARCH_V4T, N_("use -mcpu=arm710t")},
22810 {"m710t", &legacy_cpu, ARM_ARCH_V4T, N_("use -mcpu=arm710t")},
22811 {"marm720t", &legacy_cpu, ARM_ARCH_V4T, N_("use -mcpu=arm720t")},
22812 {"m720t", &legacy_cpu, ARM_ARCH_V4T, N_("use -mcpu=arm720t")},
22813 {"marm740t", &legacy_cpu, ARM_ARCH_V4T, N_("use -mcpu=arm740t")},
22814 {"m740t", &legacy_cpu, ARM_ARCH_V4T, N_("use -mcpu=arm740t")},
22815 {"marm8", &legacy_cpu, ARM_ARCH_V4, N_("use -mcpu=arm8")},
22816 {"m8", &legacy_cpu, ARM_ARCH_V4, N_("use -mcpu=arm8")},
22817 {"marm810", &legacy_cpu, ARM_ARCH_V4, N_("use -mcpu=arm810")},
22818 {"m810", &legacy_cpu, ARM_ARCH_V4, N_("use -mcpu=arm810")},
22819 {"marm9", &legacy_cpu, ARM_ARCH_V4T, N_("use -mcpu=arm9")},
22820 {"m9", &legacy_cpu, ARM_ARCH_V4T, N_("use -mcpu=arm9")},
22821 {"marm9tdmi", &legacy_cpu, ARM_ARCH_V4T, N_("use -mcpu=arm9tdmi")},
22822 {"m9tdmi", &legacy_cpu, ARM_ARCH_V4T, N_("use -mcpu=arm9tdmi")},
22823 {"marm920", &legacy_cpu, ARM_ARCH_V4T, N_("use -mcpu=arm920")},
22824 {"m920", &legacy_cpu, ARM_ARCH_V4T, N_("use -mcpu=arm920")},
22825 {"marm940", &legacy_cpu, ARM_ARCH_V4T, N_("use -mcpu=arm940")},
22826 {"m940", &legacy_cpu, ARM_ARCH_V4T, N_("use -mcpu=arm940")},
22827 {"mstrongarm", &legacy_cpu, ARM_ARCH_V4, N_("use -mcpu=strongarm")},
22828 {"mstrongarm110", &legacy_cpu, ARM_ARCH_V4,
22829 N_("use -mcpu=strongarm110")},
22830 {"mstrongarm1100", &legacy_cpu, ARM_ARCH_V4,
22831 N_("use -mcpu=strongarm1100")},
22832 {"mstrongarm1110", &legacy_cpu, ARM_ARCH_V4,
22833 N_("use -mcpu=strongarm1110")},
22834 {"mxscale", &legacy_cpu, ARM_ARCH_XSCALE, N_("use -mcpu=xscale")},
22835 {"miwmmxt", &legacy_cpu, ARM_ARCH_IWMMXT, N_("use -mcpu=iwmmxt")},
22836 {"mall", &legacy_cpu, ARM_ANY, N_("use -mcpu=all")},
22838 /* Architecture variants -- don't add any more to this list either. */
22839 {"mv2", &legacy_cpu, ARM_ARCH_V2, N_("use -march=armv2")},
22840 {"marmv2", &legacy_cpu, ARM_ARCH_V2, N_("use -march=armv2")},
22841 {"mv2a", &legacy_cpu, ARM_ARCH_V2S, N_("use -march=armv2a")},
22842 {"marmv2a", &legacy_cpu, ARM_ARCH_V2S, N_("use -march=armv2a")},
22843 {"mv3", &legacy_cpu, ARM_ARCH_V3, N_("use -march=armv3")},
22844 {"marmv3", &legacy_cpu, ARM_ARCH_V3, N_("use -march=armv3")},
22845 {"mv3m", &legacy_cpu, ARM_ARCH_V3M, N_("use -march=armv3m")},
22846 {"marmv3m", &legacy_cpu, ARM_ARCH_V3M, N_("use -march=armv3m")},
22847 {"mv4", &legacy_cpu, ARM_ARCH_V4, N_("use -march=armv4")},
22848 {"marmv4", &legacy_cpu, ARM_ARCH_V4, N_("use -march=armv4")},
22849 {"mv4t", &legacy_cpu, ARM_ARCH_V4T, N_("use -march=armv4t")},
22850 {"marmv4t", &legacy_cpu, ARM_ARCH_V4T, N_("use -march=armv4t")},
22851 {"mv5", &legacy_cpu, ARM_ARCH_V5, N_("use -march=armv5")},
22852 {"marmv5", &legacy_cpu, ARM_ARCH_V5, N_("use -march=armv5")},
22853 {"mv5t", &legacy_cpu, ARM_ARCH_V5T, N_("use -march=armv5t")},
22854 {"marmv5t", &legacy_cpu, ARM_ARCH_V5T, N_("use -march=armv5t")},
22855 {"mv5e", &legacy_cpu, ARM_ARCH_V5TE, N_("use -march=armv5te")},
22856 {"marmv5e", &legacy_cpu, ARM_ARCH_V5TE, N_("use -march=armv5te")},
22858 /* Floating point variants -- don't add any more to this list either. */
22859 {"mfpe-old", &legacy_fpu, FPU_ARCH_FPE, N_("use -mfpu=fpe")},
22860 {"mfpa10", &legacy_fpu, FPU_ARCH_FPA, N_("use -mfpu=fpa10")},
22861 {"mfpa11", &legacy_fpu, FPU_ARCH_FPA, N_("use -mfpu=fpa11")},
22862 {"mno-fpu", &legacy_fpu, ARM_ARCH_NONE,
22863 N_("use either -mfpu=softfpa or -mfpu=softvfp")},
22865 {NULL, NULL, ARM_ARCH_NONE, NULL}
22868 struct arm_cpu_option_table
22871 const arm_feature_set value;
22872 /* For some CPUs we assume an FPU unless the user explicitly sets
22874 const arm_feature_set default_fpu;
22875 /* The canonical name of the CPU, or NULL to use NAME converted to upper
22877 const char *canonical_name;
22880 /* This list should, at a minimum, contain all the cpu names
22881 recognized by GCC. */
22882 static const struct arm_cpu_option_table arm_cpus[] =
22884 {"all", ARM_ANY, FPU_ARCH_FPA, NULL},
22885 {"arm1", ARM_ARCH_V1, FPU_ARCH_FPA, NULL},
22886 {"arm2", ARM_ARCH_V2, FPU_ARCH_FPA, NULL},
22887 {"arm250", ARM_ARCH_V2S, FPU_ARCH_FPA, NULL},
22888 {"arm3", ARM_ARCH_V2S, FPU_ARCH_FPA, NULL},
22889 {"arm6", ARM_ARCH_V3, FPU_ARCH_FPA, NULL},
22890 {"arm60", ARM_ARCH_V3, FPU_ARCH_FPA, NULL},
22891 {"arm600", ARM_ARCH_V3, FPU_ARCH_FPA, NULL},
22892 {"arm610", ARM_ARCH_V3, FPU_ARCH_FPA, NULL},
22893 {"arm620", ARM_ARCH_V3, FPU_ARCH_FPA, NULL},
22894 {"arm7", ARM_ARCH_V3, FPU_ARCH_FPA, NULL},
22895 {"arm7m", ARM_ARCH_V3M, FPU_ARCH_FPA, NULL},
22896 {"arm7d", ARM_ARCH_V3, FPU_ARCH_FPA, NULL},
22897 {"arm7dm", ARM_ARCH_V3M, FPU_ARCH_FPA, NULL},
22898 {"arm7di", ARM_ARCH_V3, FPU_ARCH_FPA, NULL},
22899 {"arm7dmi", ARM_ARCH_V3M, FPU_ARCH_FPA, NULL},
22900 {"arm70", ARM_ARCH_V3, FPU_ARCH_FPA, NULL},
22901 {"arm700", ARM_ARCH_V3, FPU_ARCH_FPA, NULL},
22902 {"arm700i", ARM_ARCH_V3, FPU_ARCH_FPA, NULL},
22903 {"arm710", ARM_ARCH_V3, FPU_ARCH_FPA, NULL},
22904 {"arm710t", ARM_ARCH_V4T, FPU_ARCH_FPA, NULL},
22905 {"arm720", ARM_ARCH_V3, FPU_ARCH_FPA, NULL},
22906 {"arm720t", ARM_ARCH_V4T, FPU_ARCH_FPA, NULL},
22907 {"arm740t", ARM_ARCH_V4T, FPU_ARCH_FPA, NULL},
22908 {"arm710c", ARM_ARCH_V3, FPU_ARCH_FPA, NULL},
22909 {"arm7100", ARM_ARCH_V3, FPU_ARCH_FPA, NULL},
22910 {"arm7500", ARM_ARCH_V3, FPU_ARCH_FPA, NULL},
22911 {"arm7500fe", ARM_ARCH_V3, FPU_ARCH_FPA, NULL},
22912 {"arm7t", ARM_ARCH_V4T, FPU_ARCH_FPA, NULL},
22913 {"arm7tdmi", ARM_ARCH_V4T, FPU_ARCH_FPA, NULL},
22914 {"arm7tdmi-s", ARM_ARCH_V4T, FPU_ARCH_FPA, NULL},
22915 {"arm8", ARM_ARCH_V4, FPU_ARCH_FPA, NULL},
22916 {"arm810", ARM_ARCH_V4, FPU_ARCH_FPA, NULL},
22917 {"strongarm", ARM_ARCH_V4, FPU_ARCH_FPA, NULL},
22918 {"strongarm1", ARM_ARCH_V4, FPU_ARCH_FPA, NULL},
22919 {"strongarm110", ARM_ARCH_V4, FPU_ARCH_FPA, NULL},
22920 {"strongarm1100", ARM_ARCH_V4, FPU_ARCH_FPA, NULL},
22921 {"strongarm1110", ARM_ARCH_V4, FPU_ARCH_FPA, NULL},
22922 {"arm9", ARM_ARCH_V4T, FPU_ARCH_FPA, NULL},
22923 {"arm920", ARM_ARCH_V4T, FPU_ARCH_FPA, "ARM920T"},
22924 {"arm920t", ARM_ARCH_V4T, FPU_ARCH_FPA, NULL},
22925 {"arm922t", ARM_ARCH_V4T, FPU_ARCH_FPA, NULL},
22926 {"arm940t", ARM_ARCH_V4T, FPU_ARCH_FPA, NULL},
22927 {"arm9tdmi", ARM_ARCH_V4T, FPU_ARCH_FPA, NULL},
22928 {"fa526", ARM_ARCH_V4, FPU_ARCH_FPA, NULL},
22929 {"fa626", ARM_ARCH_V4, FPU_ARCH_FPA, NULL},
22930 /* For V5 or later processors we default to using VFP; but the user
22931 should really set the FPU type explicitly. */
22932 {"arm9e-r0", ARM_ARCH_V5TExP, FPU_ARCH_VFP_V2, NULL},
22933 {"arm9e", ARM_ARCH_V5TE, FPU_ARCH_VFP_V2, NULL},
22934 {"arm926ej", ARM_ARCH_V5TEJ, FPU_ARCH_VFP_V2, "ARM926EJ-S"},
22935 {"arm926ejs", ARM_ARCH_V5TEJ, FPU_ARCH_VFP_V2, "ARM926EJ-S"},
22936 {"arm926ej-s", ARM_ARCH_V5TEJ, FPU_ARCH_VFP_V2, NULL},
22937 {"arm946e-r0", ARM_ARCH_V5TExP, FPU_ARCH_VFP_V2, NULL},
22938 {"arm946e", ARM_ARCH_V5TE, FPU_ARCH_VFP_V2, "ARM946E-S"},
22939 {"arm946e-s", ARM_ARCH_V5TE, FPU_ARCH_VFP_V2, NULL},
22940 {"arm966e-r0", ARM_ARCH_V5TExP, FPU_ARCH_VFP_V2, NULL},
22941 {"arm966e", ARM_ARCH_V5TE, FPU_ARCH_VFP_V2, "ARM966E-S"},
22942 {"arm966e-s", ARM_ARCH_V5TE, FPU_ARCH_VFP_V2, NULL},
22943 {"arm968e-s", ARM_ARCH_V5TE, FPU_ARCH_VFP_V2, NULL},
22944 {"arm10t", ARM_ARCH_V5T, FPU_ARCH_VFP_V1, NULL},
22945 {"arm10tdmi", ARM_ARCH_V5T, FPU_ARCH_VFP_V1, NULL},
22946 {"arm10e", ARM_ARCH_V5TE, FPU_ARCH_VFP_V2, NULL},
22947 {"arm1020", ARM_ARCH_V5TE, FPU_ARCH_VFP_V2, "ARM1020E"},
22948 {"arm1020t", ARM_ARCH_V5T, FPU_ARCH_VFP_V1, NULL},
22949 {"arm1020e", ARM_ARCH_V5TE, FPU_ARCH_VFP_V2, NULL},
22950 {"arm1022e", ARM_ARCH_V5TE, FPU_ARCH_VFP_V2, NULL},
22951 {"arm1026ejs", ARM_ARCH_V5TEJ, FPU_ARCH_VFP_V2, "ARM1026EJ-S"},
22952 {"arm1026ej-s", ARM_ARCH_V5TEJ, FPU_ARCH_VFP_V2, NULL},
22953 {"fa606te", ARM_ARCH_V5TE, FPU_ARCH_VFP_V2, NULL},
22954 {"fa616te", ARM_ARCH_V5TE, FPU_ARCH_VFP_V2, NULL},
22955 {"fa626te", ARM_ARCH_V5TE, FPU_ARCH_VFP_V2, NULL},
22956 {"fmp626", ARM_ARCH_V5TE, FPU_ARCH_VFP_V2, NULL},
22957 {"fa726te", ARM_ARCH_V5TE, FPU_ARCH_VFP_V2, NULL},
22958 {"arm1136js", ARM_ARCH_V6, FPU_NONE, "ARM1136J-S"},
22959 {"arm1136j-s", ARM_ARCH_V6, FPU_NONE, NULL},
22960 {"arm1136jfs", ARM_ARCH_V6, FPU_ARCH_VFP_V2, "ARM1136JF-S"},
22961 {"arm1136jf-s", ARM_ARCH_V6, FPU_ARCH_VFP_V2, NULL},
22962 {"mpcore", ARM_ARCH_V6K, FPU_ARCH_VFP_V2, "MPCore"},
22963 {"mpcorenovfp", ARM_ARCH_V6K, FPU_NONE, "MPCore"},
22964 {"arm1156t2-s", ARM_ARCH_V6T2, FPU_NONE, NULL},
22965 {"arm1156t2f-s", ARM_ARCH_V6T2, FPU_ARCH_VFP_V2, NULL},
22966 {"arm1176jz-s", ARM_ARCH_V6ZK, FPU_NONE, NULL},
22967 {"arm1176jzf-s", ARM_ARCH_V6ZK, FPU_ARCH_VFP_V2, NULL},
22968 {"cortex-a5", ARM_ARCH_V7A_MP_SEC,
22969 FPU_NONE, "Cortex-A5"},
22970 {"cortex-a7", ARM_ARCH_V7A_IDIV_MP_SEC_VIRT,
22971 FPU_ARCH_NEON_VFP_V4,
22973 {"cortex-a8", ARM_ARCH_V7A_SEC,
22974 ARM_FEATURE (0, FPU_VFP_V3
22975 | FPU_NEON_EXT_V1),
22977 {"cortex-a9", ARM_ARCH_V7A_MP_SEC,
22978 ARM_FEATURE (0, FPU_VFP_V3
22979 | FPU_NEON_EXT_V1),
22981 {"cortex-a15", ARM_ARCH_V7A_IDIV_MP_SEC_VIRT,
22982 FPU_ARCH_NEON_VFP_V4,
22984 {"cortex-r4", ARM_ARCH_V7R, FPU_NONE, "Cortex-R4"},
22985 {"cortex-r4f", ARM_ARCH_V7R, FPU_ARCH_VFP_V3D16,
22987 {"cortex-r5", ARM_ARCH_V7R_IDIV,
22988 FPU_NONE, "Cortex-R5"},
22989 {"cortex-m4", ARM_ARCH_V7EM, FPU_NONE, "Cortex-M4"},
22990 {"cortex-m3", ARM_ARCH_V7M, FPU_NONE, "Cortex-M3"},
22991 {"cortex-m1", ARM_ARCH_V6SM, FPU_NONE, "Cortex-M1"},
22992 {"cortex-m0", ARM_ARCH_V6SM, FPU_NONE, "Cortex-M0"},
22993 /* ??? XSCALE is really an architecture. */
22994 {"xscale", ARM_ARCH_XSCALE, FPU_ARCH_VFP_V2, NULL},
22995 /* ??? iwmmxt is not a processor. */
22996 {"iwmmxt", ARM_ARCH_IWMMXT, FPU_ARCH_VFP_V2, NULL},
22997 {"iwmmxt2", ARM_ARCH_IWMMXT2,FPU_ARCH_VFP_V2, NULL},
22998 {"i80200", ARM_ARCH_XSCALE, FPU_ARCH_VFP_V2, NULL},
23000 {"ep9312", ARM_FEATURE (ARM_AEXT_V4T, ARM_CEXT_MAVERICK), FPU_ARCH_MAVERICK, "ARM920T"},
23001 {NULL, ARM_ARCH_NONE, ARM_ARCH_NONE, NULL}
23004 struct arm_arch_option_table
23007 const arm_feature_set value;
23008 const arm_feature_set default_fpu;
23011 /* This list should, at a minimum, contain all the architecture names
23012 recognized by GCC. */
23013 static const struct arm_arch_option_table arm_archs[] =
23015 {"all", ARM_ANY, FPU_ARCH_FPA},
23016 {"armv1", ARM_ARCH_V1, FPU_ARCH_FPA},
23017 {"armv2", ARM_ARCH_V2, FPU_ARCH_FPA},
23018 {"armv2a", ARM_ARCH_V2S, FPU_ARCH_FPA},
23019 {"armv2s", ARM_ARCH_V2S, FPU_ARCH_FPA},
23020 {"armv3", ARM_ARCH_V3, FPU_ARCH_FPA},
23021 {"armv3m", ARM_ARCH_V3M, FPU_ARCH_FPA},
23022 {"armv4", ARM_ARCH_V4, FPU_ARCH_FPA},
23023 {"armv4xm", ARM_ARCH_V4xM, FPU_ARCH_FPA},
23024 {"armv4t", ARM_ARCH_V4T, FPU_ARCH_FPA},
23025 {"armv4txm", ARM_ARCH_V4TxM, FPU_ARCH_FPA},
23026 {"armv5", ARM_ARCH_V5, FPU_ARCH_VFP},
23027 {"armv5t", ARM_ARCH_V5T, FPU_ARCH_VFP},
23028 {"armv5txm", ARM_ARCH_V5TxM, FPU_ARCH_VFP},
23029 {"armv5te", ARM_ARCH_V5TE, FPU_ARCH_VFP},
23030 {"armv5texp", ARM_ARCH_V5TExP, FPU_ARCH_VFP},
23031 {"armv5tej", ARM_ARCH_V5TEJ, FPU_ARCH_VFP},
23032 {"armv6", ARM_ARCH_V6, FPU_ARCH_VFP},
23033 {"armv6j", ARM_ARCH_V6, FPU_ARCH_VFP},
23034 {"armv6k", ARM_ARCH_V6K, FPU_ARCH_VFP},
23035 {"armv6z", ARM_ARCH_V6Z, FPU_ARCH_VFP},
23036 {"armv6zk", ARM_ARCH_V6ZK, FPU_ARCH_VFP},
23037 {"armv6t2", ARM_ARCH_V6T2, FPU_ARCH_VFP},
23038 {"armv6kt2", ARM_ARCH_V6KT2, FPU_ARCH_VFP},
23039 {"armv6zt2", ARM_ARCH_V6ZT2, FPU_ARCH_VFP},
23040 {"armv6zkt2", ARM_ARCH_V6ZKT2, FPU_ARCH_VFP},
23041 {"armv6-m", ARM_ARCH_V6M, FPU_ARCH_VFP},
23042 {"armv6s-m", ARM_ARCH_V6SM, FPU_ARCH_VFP},
23043 {"armv7", ARM_ARCH_V7, FPU_ARCH_VFP},
23044 /* The official spelling of the ARMv7 profile variants is the dashed form.
23045 Accept the non-dashed form for compatibility with old toolchains. */
23046 {"armv7a", ARM_ARCH_V7A, FPU_ARCH_VFP},
23047 {"armv7r", ARM_ARCH_V7R, FPU_ARCH_VFP},
23048 {"armv7m", ARM_ARCH_V7M, FPU_ARCH_VFP},
23049 {"armv7-a", ARM_ARCH_V7A, FPU_ARCH_VFP},
23050 {"armv7-r", ARM_ARCH_V7R, FPU_ARCH_VFP},
23051 {"armv7-m", ARM_ARCH_V7M, FPU_ARCH_VFP},
23052 {"armv7e-m", ARM_ARCH_V7EM, FPU_ARCH_VFP},
23053 {"xscale", ARM_ARCH_XSCALE, FPU_ARCH_VFP},
23054 {"iwmmxt", ARM_ARCH_IWMMXT, FPU_ARCH_VFP},
23055 {"iwmmxt2", ARM_ARCH_IWMMXT2,FPU_ARCH_VFP},
23056 {NULL, ARM_ARCH_NONE, ARM_ARCH_NONE}
23059 /* ISA extensions in the co-processor and main instruction set space. */
23060 struct arm_option_extension_value_table
23063 const arm_feature_set value;
23064 const arm_feature_set allowed_archs;
23067 /* The following table must be in alphabetical order with a NULL last entry.
23069 static const struct arm_option_extension_value_table arm_extensions[] =
23071 {"idiv", ARM_FEATURE (ARM_EXT_ADIV | ARM_EXT_DIV, 0),
23072 ARM_FEATURE (ARM_EXT_V7A | ARM_EXT_V7R, 0)},
23073 {"iwmmxt", ARM_FEATURE (0, ARM_CEXT_IWMMXT), ARM_ANY},
23074 {"iwmmxt2", ARM_FEATURE (0, ARM_CEXT_IWMMXT2), ARM_ANY},
23075 {"maverick", ARM_FEATURE (0, ARM_CEXT_MAVERICK), ARM_ANY},
23076 {"mp", ARM_FEATURE (ARM_EXT_MP, 0),
23077 ARM_FEATURE (ARM_EXT_V7A | ARM_EXT_V7R, 0)},
23078 {"os", ARM_FEATURE (ARM_EXT_OS, 0),
23079 ARM_FEATURE (ARM_EXT_V6M, 0)},
23080 {"sec", ARM_FEATURE (ARM_EXT_SEC, 0),
23081 ARM_FEATURE (ARM_EXT_V6K | ARM_EXT_V7A, 0)},
23082 {"virt", ARM_FEATURE (ARM_EXT_VIRT | ARM_EXT_ADIV | ARM_EXT_DIV, 0),
23083 ARM_FEATURE (ARM_EXT_V7A, 0)},
23084 {"xscale", ARM_FEATURE (0, ARM_CEXT_XSCALE), ARM_ANY},
23085 {NULL, ARM_ARCH_NONE, ARM_ARCH_NONE}
23088 /* ISA floating-point and Advanced SIMD extensions. */
23089 struct arm_option_fpu_value_table
23092 const arm_feature_set value;
23095 /* This list should, at a minimum, contain all the fpu names
23096 recognized by GCC. */
23097 static const struct arm_option_fpu_value_table arm_fpus[] =
23099 {"softfpa", FPU_NONE},
23100 {"fpe", FPU_ARCH_FPE},
23101 {"fpe2", FPU_ARCH_FPE},
23102 {"fpe3", FPU_ARCH_FPA}, /* Third release supports LFM/SFM. */
23103 {"fpa", FPU_ARCH_FPA},
23104 {"fpa10", FPU_ARCH_FPA},
23105 {"fpa11", FPU_ARCH_FPA},
23106 {"arm7500fe", FPU_ARCH_FPA},
23107 {"softvfp", FPU_ARCH_VFP},
23108 {"softvfp+vfp", FPU_ARCH_VFP_V2},
23109 {"vfp", FPU_ARCH_VFP_V2},
23110 {"vfp9", FPU_ARCH_VFP_V2},
23111 {"vfp3", FPU_ARCH_VFP_V3}, /* For backwards compatbility. */
23112 {"vfp10", FPU_ARCH_VFP_V2},
23113 {"vfp10-r0", FPU_ARCH_VFP_V1},
23114 {"vfpxd", FPU_ARCH_VFP_V1xD},
23115 {"vfpv2", FPU_ARCH_VFP_V2},
23116 {"vfpv3", FPU_ARCH_VFP_V3},
23117 {"vfpv3-fp16", FPU_ARCH_VFP_V3_FP16},
23118 {"vfpv3-d16", FPU_ARCH_VFP_V3D16},
23119 {"vfpv3-d16-fp16", FPU_ARCH_VFP_V3D16_FP16},
23120 {"vfpv3xd", FPU_ARCH_VFP_V3xD},
23121 {"vfpv3xd-fp16", FPU_ARCH_VFP_V3xD_FP16},
23122 {"arm1020t", FPU_ARCH_VFP_V1},
23123 {"arm1020e", FPU_ARCH_VFP_V2},
23124 {"arm1136jfs", FPU_ARCH_VFP_V2},
23125 {"arm1136jf-s", FPU_ARCH_VFP_V2},
23126 {"maverick", FPU_ARCH_MAVERICK},
23127 {"neon", FPU_ARCH_VFP_V3_PLUS_NEON_V1},
23128 {"neon-fp16", FPU_ARCH_NEON_FP16},
23129 {"vfpv4", FPU_ARCH_VFP_V4},
23130 {"vfpv4-d16", FPU_ARCH_VFP_V4D16},
23131 {"fpv4-sp-d16", FPU_ARCH_VFP_V4_SP_D16},
23132 {"neon-vfpv4", FPU_ARCH_NEON_VFP_V4},
23133 {NULL, ARM_ARCH_NONE}
23136 struct arm_option_value_table
23142 static const struct arm_option_value_table arm_float_abis[] =
23144 {"hard", ARM_FLOAT_ABI_HARD},
23145 {"softfp", ARM_FLOAT_ABI_SOFTFP},
23146 {"soft", ARM_FLOAT_ABI_SOFT},
23151 /* We only know how to output GNU and ver 4/5 (AAELF) formats. */
23152 static const struct arm_option_value_table arm_eabis[] =
23154 {"gnu", EF_ARM_EABI_UNKNOWN},
23155 {"4", EF_ARM_EABI_VER4},
23156 {"5", EF_ARM_EABI_VER5},
23161 struct arm_long_option_table
23163 char * option; /* Substring to match. */
23164 char * help; /* Help information. */
23165 int (* func) (char * subopt); /* Function to decode sub-option. */
23166 char * deprecated; /* If non-null, print this message. */
23170 arm_parse_extension (char * str, const arm_feature_set **opt_p)
23172 arm_feature_set *ext_set = (arm_feature_set *)
23173 xmalloc (sizeof (arm_feature_set));
23175 /* We insist on extensions being specified in alphabetical order, and with
23176 extensions being added before being removed. We achieve this by having
23177 the global ARM_EXTENSIONS table in alphabetical order, and using the
23178 ADDING_VALUE variable to indicate whether we are adding an extension (1)
23179 or removing it (0) and only allowing it to change in the order
23181 const struct arm_option_extension_value_table * opt = NULL;
23182 int adding_value = -1;
23184 /* Copy the feature set, so that we can modify it. */
23185 *ext_set = **opt_p;
23188 while (str != NULL && *str != 0)
23195 as_bad (_("invalid architectural extension"));
23200 ext = strchr (str, '+');
23203 optlen = ext - str;
23205 optlen = strlen (str);
23208 && strncmp (str, "no", 2) == 0)
23210 if (adding_value != 0)
23213 opt = arm_extensions;
23219 else if (optlen > 0)
23221 if (adding_value == -1)
23224 opt = arm_extensions;
23226 else if (adding_value != 1)
23228 as_bad (_("must specify extensions to add before specifying "
23229 "those to remove"));
23236 as_bad (_("missing architectural extension"));
23240 gas_assert (adding_value != -1);
23241 gas_assert (opt != NULL);
23243 /* Scan over the options table trying to find an exact match. */
23244 for (; opt->name != NULL; opt++)
23245 if (strncmp (opt->name, str, optlen) == 0
23246 && strlen (opt->name) == optlen)
23248 /* Check we can apply the extension to this architecture. */
23249 if (!ARM_CPU_HAS_FEATURE (*ext_set, opt->allowed_archs))
23251 as_bad (_("extension does not apply to the base architecture"));
23255 /* Add or remove the extension. */
23257 ARM_MERGE_FEATURE_SETS (*ext_set, *ext_set, opt->value);
23259 ARM_CLEAR_FEATURE (*ext_set, *ext_set, opt->value);
23264 if (opt->name == NULL)
23266 /* Did we fail to find an extension because it wasn't specified in
23267 alphabetical order, or because it does not exist? */
23269 for (opt = arm_extensions; opt->name != NULL; opt++)
23270 if (strncmp (opt->name, str, optlen) == 0)
23273 if (opt->name == NULL)
23274 as_bad (_("unknown architectural extension `%s'"), str);
23276 as_bad (_("architectural extensions must be specified in "
23277 "alphabetical order"));
23283 /* We should skip the extension we've just matched the next time
23295 arm_parse_cpu (char * str)
23297 const struct arm_cpu_option_table * opt;
23298 char * ext = strchr (str, '+');
23302 optlen = ext - str;
23304 optlen = strlen (str);
23308 as_bad (_("missing cpu name `%s'"), str);
23312 for (opt = arm_cpus; opt->name != NULL; opt++)
23313 if (strncmp (opt->name, str, optlen) == 0)
23315 mcpu_cpu_opt = &opt->value;
23316 mcpu_fpu_opt = &opt->default_fpu;
23317 if (opt->canonical_name)
23318 strcpy (selected_cpu_name, opt->canonical_name);
23323 for (i = 0; i < optlen; i++)
23324 selected_cpu_name[i] = TOUPPER (opt->name[i]);
23325 selected_cpu_name[i] = 0;
23329 return arm_parse_extension (ext, &mcpu_cpu_opt);
23334 as_bad (_("unknown cpu `%s'"), str);
23339 arm_parse_arch (char * str)
23341 const struct arm_arch_option_table *opt;
23342 char *ext = strchr (str, '+');
23346 optlen = ext - str;
23348 optlen = strlen (str);
23352 as_bad (_("missing architecture name `%s'"), str);
23356 for (opt = arm_archs; opt->name != NULL; opt++)
23357 if (strncmp (opt->name, str, optlen) == 0)
23359 march_cpu_opt = &opt->value;
23360 march_fpu_opt = &opt->default_fpu;
23361 strcpy (selected_cpu_name, opt->name);
23364 return arm_parse_extension (ext, &march_cpu_opt);
23369 as_bad (_("unknown architecture `%s'\n"), str);
23374 arm_parse_fpu (char * str)
23376 const struct arm_option_fpu_value_table * opt;
23378 for (opt = arm_fpus; opt->name != NULL; opt++)
23379 if (streq (opt->name, str))
23381 mfpu_opt = &opt->value;
23385 as_bad (_("unknown floating point format `%s'\n"), str);
23390 arm_parse_float_abi (char * str)
23392 const struct arm_option_value_table * opt;
23394 for (opt = arm_float_abis; opt->name != NULL; opt++)
23395 if (streq (opt->name, str))
23397 mfloat_abi_opt = opt->value;
23401 as_bad (_("unknown floating point abi `%s'\n"), str);
23407 arm_parse_eabi (char * str)
23409 const struct arm_option_value_table *opt;
23411 for (opt = arm_eabis; opt->name != NULL; opt++)
23412 if (streq (opt->name, str))
23414 meabi_flags = opt->value;
23417 as_bad (_("unknown EABI `%s'\n"), str);
23423 arm_parse_it_mode (char * str)
23425 bfd_boolean ret = TRUE;
23427 if (streq ("arm", str))
23428 implicit_it_mode = IMPLICIT_IT_MODE_ARM;
23429 else if (streq ("thumb", str))
23430 implicit_it_mode = IMPLICIT_IT_MODE_THUMB;
23431 else if (streq ("always", str))
23432 implicit_it_mode = IMPLICIT_IT_MODE_ALWAYS;
23433 else if (streq ("never", str))
23434 implicit_it_mode = IMPLICIT_IT_MODE_NEVER;
23437 as_bad (_("unknown implicit IT mode `%s', should be "\
23438 "arm, thumb, always, or never."), str);
23445 struct arm_long_option_table arm_long_opts[] =
23447 {"mcpu=", N_("<cpu name>\t assemble for CPU <cpu name>"),
23448 arm_parse_cpu, NULL},
23449 {"march=", N_("<arch name>\t assemble for architecture <arch name>"),
23450 arm_parse_arch, NULL},
23451 {"mfpu=", N_("<fpu name>\t assemble for FPU architecture <fpu name>"),
23452 arm_parse_fpu, NULL},
23453 {"mfloat-abi=", N_("<abi>\t assemble for floating point ABI <abi>"),
23454 arm_parse_float_abi, NULL},
23456 {"meabi=", N_("<ver>\t\t assemble for eabi version <ver>"),
23457 arm_parse_eabi, NULL},
23459 {"mimplicit-it=", N_("<mode>\t controls implicit insertion of IT instructions"),
23460 arm_parse_it_mode, NULL},
23461 {NULL, NULL, 0, NULL}
23465 md_parse_option (int c, char * arg)
23467 struct arm_option_table *opt;
23468 const struct arm_legacy_option_table *fopt;
23469 struct arm_long_option_table *lopt;
23475 target_big_endian = 1;
23481 target_big_endian = 0;
23485 case OPTION_FIX_V4BX:
23490 /* Listing option. Just ignore these, we don't support additional
23495 for (opt = arm_opts; opt->option != NULL; opt++)
23497 if (c == opt->option[0]
23498 && ((arg == NULL && opt->option[1] == 0)
23499 || streq (arg, opt->option + 1)))
23501 /* If the option is deprecated, tell the user. */
23502 if (warn_on_deprecated && opt->deprecated != NULL)
23503 as_tsktsk (_("option `-%c%s' is deprecated: %s"), c,
23504 arg ? arg : "", _(opt->deprecated));
23506 if (opt->var != NULL)
23507 *opt->var = opt->value;
23513 for (fopt = arm_legacy_opts; fopt->option != NULL; fopt++)
23515 if (c == fopt->option[0]
23516 && ((arg == NULL && fopt->option[1] == 0)
23517 || streq (arg, fopt->option + 1)))
23519 /* If the option is deprecated, tell the user. */
23520 if (warn_on_deprecated && fopt->deprecated != NULL)
23521 as_tsktsk (_("option `-%c%s' is deprecated: %s"), c,
23522 arg ? arg : "", _(fopt->deprecated));
23524 if (fopt->var != NULL)
23525 *fopt->var = &fopt->value;
23531 for (lopt = arm_long_opts; lopt->option != NULL; lopt++)
23533 /* These options are expected to have an argument. */
23534 if (c == lopt->option[0]
23536 && strncmp (arg, lopt->option + 1,
23537 strlen (lopt->option + 1)) == 0)
23539 /* If the option is deprecated, tell the user. */
23540 if (warn_on_deprecated && lopt->deprecated != NULL)
23541 as_tsktsk (_("option `-%c%s' is deprecated: %s"), c, arg,
23542 _(lopt->deprecated));
23544 /* Call the sup-option parser. */
23545 return lopt->func (arg + strlen (lopt->option) - 1);
23556 md_show_usage (FILE * fp)
23558 struct arm_option_table *opt;
23559 struct arm_long_option_table *lopt;
23561 fprintf (fp, _(" ARM-specific assembler options:\n"));
23563 for (opt = arm_opts; opt->option != NULL; opt++)
23564 if (opt->help != NULL)
23565 fprintf (fp, " -%-23s%s\n", opt->option, _(opt->help));
23567 for (lopt = arm_long_opts; lopt->option != NULL; lopt++)
23568 if (lopt->help != NULL)
23569 fprintf (fp, " -%s%s\n", lopt->option, _(lopt->help));
23573 -EB assemble code for a big-endian cpu\n"));
23578 -EL assemble code for a little-endian cpu\n"));
23582 --fix-v4bx Allow BX in ARMv4 code\n"));
23590 arm_feature_set flags;
23591 } cpu_arch_ver_table;
23593 /* Mapping from CPU features to EABI CPU arch values. Table must be sorted
23594 least features first. */
23595 static const cpu_arch_ver_table cpu_arch_ver[] =
23601 {4, ARM_ARCH_V5TE},
23602 {5, ARM_ARCH_V5TEJ},
23606 {11, ARM_ARCH_V6M},
23607 {12, ARM_ARCH_V6SM},
23608 {8, ARM_ARCH_V6T2},
23609 {10, ARM_ARCH_V7A},
23610 {10, ARM_ARCH_V7R},
23611 {10, ARM_ARCH_V7M},
23615 /* Set an attribute if it has not already been set by the user. */
23617 aeabi_set_attribute_int (int tag, int value)
23620 || tag >= NUM_KNOWN_OBJ_ATTRIBUTES
23621 || !attributes_set_explicitly[tag])
23622 bfd_elf_add_proc_attr_int (stdoutput, tag, value);
23626 aeabi_set_attribute_string (int tag, const char *value)
23629 || tag >= NUM_KNOWN_OBJ_ATTRIBUTES
23630 || !attributes_set_explicitly[tag])
23631 bfd_elf_add_proc_attr_string (stdoutput, tag, value);
23634 /* Set the public EABI object attributes. */
23636 aeabi_set_public_attributes (void)
23640 arm_feature_set flags;
23641 arm_feature_set tmp;
23642 const cpu_arch_ver_table *p;
23644 /* Choose the architecture based on the capabilities of the requested cpu
23645 (if any) and/or the instructions actually used. */
23646 ARM_MERGE_FEATURE_SETS (flags, arm_arch_used, thumb_arch_used);
23647 ARM_MERGE_FEATURE_SETS (flags, flags, *mfpu_opt);
23648 ARM_MERGE_FEATURE_SETS (flags, flags, selected_cpu);
23649 /*Allow the user to override the reported architecture. */
23652 ARM_CLEAR_FEATURE (flags, flags, arm_arch_any);
23653 ARM_MERGE_FEATURE_SETS (flags, flags, *object_arch);
23656 /* We need to make sure that the attributes do not identify us as v6S-M
23657 when the only v6S-M feature in use is the Operating System Extensions. */
23658 if (ARM_CPU_HAS_FEATURE (flags, arm_ext_os))
23659 if (!ARM_CPU_HAS_FEATURE (flags, arm_arch_v6m_only))
23660 ARM_CLEAR_FEATURE (flags, flags, arm_ext_os);
23664 for (p = cpu_arch_ver; p->val; p++)
23666 if (ARM_CPU_HAS_FEATURE (tmp, p->flags))
23669 ARM_CLEAR_FEATURE (tmp, tmp, p->flags);
23673 /* The table lookup above finds the last architecture to contribute
23674 a new feature. Unfortunately, Tag13 is a subset of the union of
23675 v6T2 and v7-M, so it is never seen as contributing a new feature.
23676 We can not search for the last entry which is entirely used,
23677 because if no CPU is specified we build up only those flags
23678 actually used. Perhaps we should separate out the specified
23679 and implicit cases. Avoid taking this path for -march=all by
23680 checking for contradictory v7-A / v7-M features. */
23682 && !ARM_CPU_HAS_FEATURE (flags, arm_ext_v7a)
23683 && ARM_CPU_HAS_FEATURE (flags, arm_ext_v7m)
23684 && ARM_CPU_HAS_FEATURE (flags, arm_ext_v6_dsp))
23687 /* Tag_CPU_name. */
23688 if (selected_cpu_name[0])
23692 q = selected_cpu_name;
23693 if (strncmp (q, "armv", 4) == 0)
23698 for (i = 0; q[i]; i++)
23699 q[i] = TOUPPER (q[i]);
23701 aeabi_set_attribute_string (Tag_CPU_name, q);
23704 /* Tag_CPU_arch. */
23705 aeabi_set_attribute_int (Tag_CPU_arch, arch);
23707 /* Tag_CPU_arch_profile. */
23708 if (ARM_CPU_HAS_FEATURE (flags, arm_ext_v7a))
23709 aeabi_set_attribute_int (Tag_CPU_arch_profile, 'A');
23710 else if (ARM_CPU_HAS_FEATURE (flags, arm_ext_v7r))
23711 aeabi_set_attribute_int (Tag_CPU_arch_profile, 'R');
23712 else if (ARM_CPU_HAS_FEATURE (flags, arm_ext_m))
23713 aeabi_set_attribute_int (Tag_CPU_arch_profile, 'M');
23715 /* Tag_ARM_ISA_use. */
23716 if (ARM_CPU_HAS_FEATURE (flags, arm_ext_v1)
23718 aeabi_set_attribute_int (Tag_ARM_ISA_use, 1);
23720 /* Tag_THUMB_ISA_use. */
23721 if (ARM_CPU_HAS_FEATURE (flags, arm_ext_v4t)
23723 aeabi_set_attribute_int (Tag_THUMB_ISA_use,
23724 ARM_CPU_HAS_FEATURE (flags, arm_arch_t2) ? 2 : 1);
23726 /* Tag_VFP_arch. */
23727 if (ARM_CPU_HAS_FEATURE (flags, fpu_vfp_ext_fma))
23728 aeabi_set_attribute_int (Tag_VFP_arch,
23729 ARM_CPU_HAS_FEATURE (flags, fpu_vfp_ext_d32)
23731 else if (ARM_CPU_HAS_FEATURE (flags, fpu_vfp_ext_d32))
23732 aeabi_set_attribute_int (Tag_VFP_arch, 3);
23733 else if (ARM_CPU_HAS_FEATURE (flags, fpu_vfp_ext_v3xd))
23734 aeabi_set_attribute_int (Tag_VFP_arch, 4);
23735 else if (ARM_CPU_HAS_FEATURE (flags, fpu_vfp_ext_v2))
23736 aeabi_set_attribute_int (Tag_VFP_arch, 2);
23737 else if (ARM_CPU_HAS_FEATURE (flags, fpu_vfp_ext_v1)
23738 || ARM_CPU_HAS_FEATURE (flags, fpu_vfp_ext_v1xd))
23739 aeabi_set_attribute_int (Tag_VFP_arch, 1);
23741 /* Tag_ABI_HardFP_use. */
23742 if (ARM_CPU_HAS_FEATURE (flags, fpu_vfp_ext_v1xd)
23743 && !ARM_CPU_HAS_FEATURE (flags, fpu_vfp_ext_v1))
23744 aeabi_set_attribute_int (Tag_ABI_HardFP_use, 1);
23746 /* Tag_WMMX_arch. */
23747 if (ARM_CPU_HAS_FEATURE (flags, arm_cext_iwmmxt2))
23748 aeabi_set_attribute_int (Tag_WMMX_arch, 2);
23749 else if (ARM_CPU_HAS_FEATURE (flags, arm_cext_iwmmxt))
23750 aeabi_set_attribute_int (Tag_WMMX_arch, 1);
23752 /* Tag_Advanced_SIMD_arch (formerly Tag_NEON_arch). */
23753 if (ARM_CPU_HAS_FEATURE (flags, fpu_neon_ext_v1))
23754 aeabi_set_attribute_int
23755 (Tag_Advanced_SIMD_arch, (ARM_CPU_HAS_FEATURE (flags, fpu_neon_ext_fma)
23758 /* Tag_VFP_HP_extension (formerly Tag_NEON_FP16_arch). */
23759 if (ARM_CPU_HAS_FEATURE (flags, fpu_vfp_fp16))
23760 aeabi_set_attribute_int (Tag_VFP_HP_extension, 1);
23763 if (ARM_CPU_HAS_FEATURE (flags, arm_ext_adiv))
23764 aeabi_set_attribute_int (Tag_DIV_use, 2);
23765 else if (ARM_CPU_HAS_FEATURE (flags, arm_ext_div))
23766 aeabi_set_attribute_int (Tag_DIV_use, 0);
23768 aeabi_set_attribute_int (Tag_DIV_use, 1);
23770 /* Tag_MP_extension_use. */
23771 if (ARM_CPU_HAS_FEATURE (flags, arm_ext_mp))
23772 aeabi_set_attribute_int (Tag_MPextension_use, 1);
23774 /* Tag Virtualization_use. */
23775 if (ARM_CPU_HAS_FEATURE (flags, arm_ext_sec))
23777 if (ARM_CPU_HAS_FEATURE (flags, arm_ext_virt))
23780 aeabi_set_attribute_int (Tag_Virtualization_use, virt_sec);
23783 /* Add the default contents for the .ARM.attributes section. */
23787 if (EF_ARM_EABI_VERSION (meabi_flags) < EF_ARM_EABI_VER4)
23790 aeabi_set_public_attributes ();
23792 #endif /* OBJ_ELF */
23795 /* Parse a .cpu directive. */
23798 s_arm_cpu (int ignored ATTRIBUTE_UNUSED)
23800 const struct arm_cpu_option_table *opt;
23804 name = input_line_pointer;
23805 while (*input_line_pointer && !ISSPACE (*input_line_pointer))
23806 input_line_pointer++;
23807 saved_char = *input_line_pointer;
23808 *input_line_pointer = 0;
23810 /* Skip the first "all" entry. */
23811 for (opt = arm_cpus + 1; opt->name != NULL; opt++)
23812 if (streq (opt->name, name))
23814 mcpu_cpu_opt = &opt->value;
23815 selected_cpu = opt->value;
23816 if (opt->canonical_name)
23817 strcpy (selected_cpu_name, opt->canonical_name);
23821 for (i = 0; opt->name[i]; i++)
23822 selected_cpu_name[i] = TOUPPER (opt->name[i]);
23823 selected_cpu_name[i] = 0;
23825 ARM_MERGE_FEATURE_SETS (cpu_variant, *mcpu_cpu_opt, *mfpu_opt);
23826 *input_line_pointer = saved_char;
23827 demand_empty_rest_of_line ();
23830 as_bad (_("unknown cpu `%s'"), name);
23831 *input_line_pointer = saved_char;
23832 ignore_rest_of_line ();
23836 /* Parse a .arch directive. */
23839 s_arm_arch (int ignored ATTRIBUTE_UNUSED)
23841 const struct arm_arch_option_table *opt;
23845 name = input_line_pointer;
23846 while (*input_line_pointer && !ISSPACE (*input_line_pointer))
23847 input_line_pointer++;
23848 saved_char = *input_line_pointer;
23849 *input_line_pointer = 0;
23851 /* Skip the first "all" entry. */
23852 for (opt = arm_archs + 1; opt->name != NULL; opt++)
23853 if (streq (opt->name, name))
23855 mcpu_cpu_opt = &opt->value;
23856 selected_cpu = opt->value;
23857 strcpy (selected_cpu_name, opt->name);
23858 ARM_MERGE_FEATURE_SETS (cpu_variant, *mcpu_cpu_opt, *mfpu_opt);
23859 *input_line_pointer = saved_char;
23860 demand_empty_rest_of_line ();
23864 as_bad (_("unknown architecture `%s'\n"), name);
23865 *input_line_pointer = saved_char;
23866 ignore_rest_of_line ();
23870 /* Parse a .object_arch directive. */
23873 s_arm_object_arch (int ignored ATTRIBUTE_UNUSED)
23875 const struct arm_arch_option_table *opt;
23879 name = input_line_pointer;
23880 while (*input_line_pointer && !ISSPACE (*input_line_pointer))
23881 input_line_pointer++;
23882 saved_char = *input_line_pointer;
23883 *input_line_pointer = 0;
23885 /* Skip the first "all" entry. */
23886 for (opt = arm_archs + 1; opt->name != NULL; opt++)
23887 if (streq (opt->name, name))
23889 object_arch = &opt->value;
23890 *input_line_pointer = saved_char;
23891 demand_empty_rest_of_line ();
23895 as_bad (_("unknown architecture `%s'\n"), name);
23896 *input_line_pointer = saved_char;
23897 ignore_rest_of_line ();
23900 /* Parse a .arch_extension directive. */
23903 s_arm_arch_extension (int ignored ATTRIBUTE_UNUSED)
23905 const struct arm_option_extension_value_table *opt;
23908 int adding_value = 1;
23910 name = input_line_pointer;
23911 while (*input_line_pointer && !ISSPACE (*input_line_pointer))
23912 input_line_pointer++;
23913 saved_char = *input_line_pointer;
23914 *input_line_pointer = 0;
23916 if (strlen (name) >= 2
23917 && strncmp (name, "no", 2) == 0)
23923 for (opt = arm_extensions; opt->name != NULL; opt++)
23924 if (streq (opt->name, name))
23926 if (!ARM_CPU_HAS_FEATURE (*mcpu_cpu_opt, opt->allowed_archs))
23928 as_bad (_("architectural extension `%s' is not allowed for the "
23929 "current base architecture"), name);
23934 ARM_MERGE_FEATURE_SETS (selected_cpu, selected_cpu, opt->value);
23936 ARM_CLEAR_FEATURE (selected_cpu, selected_cpu, opt->value);
23938 mcpu_cpu_opt = &selected_cpu;
23939 ARM_MERGE_FEATURE_SETS (cpu_variant, *mcpu_cpu_opt, *mfpu_opt);
23940 *input_line_pointer = saved_char;
23941 demand_empty_rest_of_line ();
23945 if (opt->name == NULL)
23946 as_bad (_("unknown architecture `%s'\n"), name);
23948 *input_line_pointer = saved_char;
23949 ignore_rest_of_line ();
23952 /* Parse a .fpu directive. */
23955 s_arm_fpu (int ignored ATTRIBUTE_UNUSED)
23957 const struct arm_option_fpu_value_table *opt;
23961 name = input_line_pointer;
23962 while (*input_line_pointer && !ISSPACE (*input_line_pointer))
23963 input_line_pointer++;
23964 saved_char = *input_line_pointer;
23965 *input_line_pointer = 0;
23967 for (opt = arm_fpus; opt->name != NULL; opt++)
23968 if (streq (opt->name, name))
23970 mfpu_opt = &opt->value;
23971 ARM_MERGE_FEATURE_SETS (cpu_variant, *mcpu_cpu_opt, *mfpu_opt);
23972 *input_line_pointer = saved_char;
23973 demand_empty_rest_of_line ();
23977 as_bad (_("unknown floating point format `%s'\n"), name);
23978 *input_line_pointer = saved_char;
23979 ignore_rest_of_line ();
23982 /* Copy symbol information. */
23985 arm_copy_symbol_attributes (symbolS *dest, symbolS *src)
23987 ARM_GET_FLAG (dest) = ARM_GET_FLAG (src);
23991 /* Given a symbolic attribute NAME, return the proper integer value.
23992 Returns -1 if the attribute is not known. */
23995 arm_convert_symbolic_attribute (const char *name)
23997 static const struct
24002 attribute_table[] =
24004 /* When you modify this table you should
24005 also modify the list in doc/c-arm.texi. */
24006 #define T(tag) {#tag, tag}
24007 T (Tag_CPU_raw_name),
24010 T (Tag_CPU_arch_profile),
24011 T (Tag_ARM_ISA_use),
24012 T (Tag_THUMB_ISA_use),
24016 T (Tag_Advanced_SIMD_arch),
24017 T (Tag_PCS_config),
24018 T (Tag_ABI_PCS_R9_use),
24019 T (Tag_ABI_PCS_RW_data),
24020 T (Tag_ABI_PCS_RO_data),
24021 T (Tag_ABI_PCS_GOT_use),
24022 T (Tag_ABI_PCS_wchar_t),
24023 T (Tag_ABI_FP_rounding),
24024 T (Tag_ABI_FP_denormal),
24025 T (Tag_ABI_FP_exceptions),
24026 T (Tag_ABI_FP_user_exceptions),
24027 T (Tag_ABI_FP_number_model),
24028 T (Tag_ABI_align_needed),
24029 T (Tag_ABI_align8_needed),
24030 T (Tag_ABI_align_preserved),
24031 T (Tag_ABI_align8_preserved),
24032 T (Tag_ABI_enum_size),
24033 T (Tag_ABI_HardFP_use),
24034 T (Tag_ABI_VFP_args),
24035 T (Tag_ABI_WMMX_args),
24036 T (Tag_ABI_optimization_goals),
24037 T (Tag_ABI_FP_optimization_goals),
24038 T (Tag_compatibility),
24039 T (Tag_CPU_unaligned_access),
24040 T (Tag_FP_HP_extension),
24041 T (Tag_VFP_HP_extension),
24042 T (Tag_ABI_FP_16bit_format),
24043 T (Tag_MPextension_use),
24045 T (Tag_nodefaults),
24046 T (Tag_also_compatible_with),
24047 T (Tag_conformance),
24049 T (Tag_Virtualization_use),
24050 /* We deliberately do not include Tag_MPextension_use_legacy. */
24058 for (i = 0; i < ARRAY_SIZE (attribute_table); i++)
24059 if (streq (name, attribute_table[i].name))
24060 return attribute_table[i].tag;
24066 /* Apply sym value for relocations only in the case that
24067 they are for local symbols and you have the respective
24068 architectural feature for blx and simple switches. */
24070 arm_apply_sym_value (struct fix * fixP)
24073 && ARM_CPU_HAS_FEATURE (selected_cpu, arm_ext_v5t)
24074 && !S_FORCE_RELOC (fixP->fx_addsy, TRUE))
24076 switch (fixP->fx_r_type)
24078 case BFD_RELOC_ARM_PCREL_BLX:
24079 case BFD_RELOC_THUMB_PCREL_BRANCH23:
24080 if (ARM_IS_FUNC (fixP->fx_addsy))
24084 case BFD_RELOC_ARM_PCREL_CALL:
24085 case BFD_RELOC_THUMB_PCREL_BLX:
24086 if (THUMB_IS_FUNC (fixP->fx_addsy))
24097 #endif /* OBJ_ELF */