1 /* bfin-parse.y ADI Blackfin parser
2 Copyright 2005, 2006, 2007, 2008, 2009, 2010, 2011
3 Free Software Foundation, Inc.
5 This file is part of GAS, the GNU Assembler.
7 GAS is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3, or (at your option)
12 GAS is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GAS; see the file COPYING. If not, write to the Free
19 Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
26 #include "bfin-aux.h" /* Opcode generating auxiliaries. */
28 #include "elf/common.h"
31 #define DSP32ALU(aopcde, HL, dst1, dst0, src0, src1, s, x, aop) \
32 bfin_gen_dsp32alu (HL, aopcde, aop, s, x, dst0, dst1, src0, src1)
34 #define DSP32MAC(op1, MM, mmod, w1, P, h01, h11, h00, h10, dst, op0, src0, src1, w0) \
35 bfin_gen_dsp32mac (op1, MM, mmod, w1, P, h01, h11, h00, h10, op0, \
38 #define DSP32MULT(op1, MM, mmod, w1, P, h01, h11, h00, h10, dst, op0, src0, src1, w0) \
39 bfin_gen_dsp32mult (op1, MM, mmod, w1, P, h01, h11, h00, h10, op0, \
42 #define DSP32SHIFT(sopcde, dst0, src0, src1, sop, hls) \
43 bfin_gen_dsp32shift (sopcde, dst0, src0, src1, sop, hls)
45 #define DSP32SHIFTIMM(sopcde, dst0, immag, src1, sop, hls) \
46 bfin_gen_dsp32shiftimm (sopcde, dst0, immag, src1, sop, hls)
48 #define LDIMMHALF_R(reg, h, s, z, hword) \
49 bfin_gen_ldimmhalf (reg, h, s, z, hword, 1)
51 #define LDIMMHALF_R5(reg, h, s, z, hword) \
52 bfin_gen_ldimmhalf (reg, h, s, z, hword, 2)
54 #define LDSTIDXI(ptr, reg, w, sz, z, offset) \
55 bfin_gen_ldstidxi (ptr, reg, w, sz, z, offset)
57 #define LDST(ptr, reg, aop, sz, z, w) \
58 bfin_gen_ldst (ptr, reg, aop, sz, z, w)
60 #define LDSTII(ptr, reg, offset, w, op) \
61 bfin_gen_ldstii (ptr, reg, offset, w, op)
63 #define DSPLDST(i, m, reg, aop, w) \
64 bfin_gen_dspldst (i, reg, aop, w, m)
66 #define LDSTPMOD(ptr, reg, idx, aop, w) \
67 bfin_gen_ldstpmod (ptr, reg, aop, w, idx)
69 #define LDSTIIFP(offset, reg, w) \
70 bfin_gen_ldstiifp (reg, offset, w)
72 #define LOGI2OP(dst, src, opc) \
73 bfin_gen_logi2op (opc, src, dst.regno & CODE_MASK)
75 #define ALU2OP(dst, src, opc) \
76 bfin_gen_alu2op (dst, src, opc)
78 #define BRCC(t, b, offset) \
79 bfin_gen_brcc (t, b, offset)
81 #define UJUMP(offset) \
82 bfin_gen_ujump (offset)
84 #define PROGCTRL(prgfunc, poprnd) \
85 bfin_gen_progctrl (prgfunc, poprnd)
87 #define PUSHPOPMULTIPLE(dr, pr, d, p, w) \
88 bfin_gen_pushpopmultiple (dr, pr, d, p, w)
90 #define PUSHPOPREG(reg, w) \
91 bfin_gen_pushpopreg (reg, w)
93 #define CALLA(addr, s) \
94 bfin_gen_calla (addr, s)
96 #define LINKAGE(r, framesize) \
97 bfin_gen_linkage (r, framesize)
99 #define COMPI2OPD(dst, src, op) \
100 bfin_gen_compi2opd (dst, src, op)
102 #define COMPI2OPP(dst, src, op) \
103 bfin_gen_compi2opp (dst, src, op)
105 #define DAGMODIK(i, op) \
106 bfin_gen_dagmodik (i, op)
108 #define DAGMODIM(i, m, op, br) \
109 bfin_gen_dagmodim (i, m, op, br)
111 #define COMP3OP(dst, src0, src1, opc) \
112 bfin_gen_comp3op (src0, src1, dst, opc)
114 #define PTR2OP(dst, src, opc) \
115 bfin_gen_ptr2op (dst, src, opc)
117 #define CCFLAG(x, y, opc, i, g) \
118 bfin_gen_ccflag (x, y, opc, i, g)
120 #define CCMV(src, dst, t) \
121 bfin_gen_ccmv (src, dst, t)
123 #define CACTRL(reg, a, op) \
124 bfin_gen_cactrl (reg, a, op)
126 #define LOOPSETUP(soffset, c, rop, eoffset, reg) \
127 bfin_gen_loopsetup (soffset, c, rop, eoffset, reg)
129 #define HL2(r1, r0) (IS_H (r1) << 1 | IS_H (r0))
130 #define IS_RANGE(bits, expr, sign, mul) \
131 value_match(expr, bits, sign, mul, 1)
132 #define IS_URANGE(bits, expr, sign, mul) \
133 value_match(expr, bits, sign, mul, 0)
134 #define IS_CONST(expr) (expr->type == Expr_Node_Constant)
135 #define IS_RELOC(expr) (expr->type != Expr_Node_Constant)
136 #define IS_IMM(expr, bits) value_match (expr, bits, 0, 1, 1)
137 #define IS_UIMM(expr, bits) value_match (expr, bits, 0, 1, 0)
139 #define IS_PCREL4(expr) \
140 (value_match (expr, 4, 0, 2, 0))
142 #define IS_LPPCREL10(expr) \
143 (value_match (expr, 10, 0, 2, 0))
145 #define IS_PCREL10(expr) \
146 (value_match (expr, 10, 0, 2, 1))
148 #define IS_PCREL12(expr) \
149 (value_match (expr, 12, 0, 2, 1))
151 #define IS_PCREL24(expr) \
152 (value_match (expr, 24, 0, 2, 1))
155 static int value_match (Expr_Node *, int, int, int, int);
160 static Expr_Node *binary (Expr_Op_Type, Expr_Node *, Expr_Node *);
161 static Expr_Node *unary (Expr_Op_Type, Expr_Node *);
163 static void notethat (char *, ...);
165 char *current_inputline;
167 int yyerror (char *);
169 void error (char *format, ...)
172 static char buffer[2000];
174 va_start (ap, format);
175 vsprintf (buffer, format, ap);
178 as_bad ("%s", buffer);
187 else if (yytext[0] != ';')
188 error ("%s. Input text was %s.", msg, yytext);
196 in_range_p (Expr_Node *exp, int from, int to, unsigned int mask)
198 int val = EXPR_VALUE (exp);
199 if (exp->type != Expr_Node_Constant)
201 if (val < from || val > to)
203 return (val & mask) == 0;
206 extern int yylex (void);
208 #define imm3(x) EXPR_VALUE (x)
209 #define imm4(x) EXPR_VALUE (x)
210 #define uimm4(x) EXPR_VALUE (x)
211 #define imm5(x) EXPR_VALUE (x)
212 #define uimm5(x) EXPR_VALUE (x)
213 #define imm6(x) EXPR_VALUE (x)
214 #define imm7(x) EXPR_VALUE (x)
215 #define uimm8(x) EXPR_VALUE (x)
216 #define imm16(x) EXPR_VALUE (x)
217 #define uimm16s4(x) ((EXPR_VALUE (x)) >> 2)
218 #define uimm16(x) EXPR_VALUE (x)
220 /* Return true if a value is inside a range. */
221 #define IN_RANGE(x, low, high) \
222 (((EXPR_VALUE(x)) >= (low)) && (EXPR_VALUE(x)) <= ((high)))
224 /* Auxiliary functions. */
227 valid_dreg_pair (Register *reg1, Expr_Node *reg2)
229 if (!IS_DREG (*reg1))
231 yyerror ("Dregs expected");
235 if (reg1->regno != 1 && reg1->regno != 3)
237 yyerror ("Bad register pair");
241 if (imm7 (reg2) != reg1->regno - 1)
243 yyerror ("Bad register pair");
252 check_multiply_halfregs (Macfunc *aa, Macfunc *ab)
254 if ((!REG_EQUAL (aa->s0, ab->s0) && !REG_EQUAL (aa->s0, ab->s1))
255 || (!REG_EQUAL (aa->s1, ab->s1) && !REG_EQUAL (aa->s1, ab->s0)))
256 return yyerror ("Source multiplication register mismatch");
262 /* Check mac option. */
265 check_macfunc_option (Macfunc *a, Opt_mode *opt)
267 /* Default option is always valid. */
271 if ((a->w == 1 && a->P == 1
272 && opt->mod != M_FU && opt->mod != M_IS && opt->mod != M_IU
273 && opt->mod != M_S2RND && opt->mod != M_ISS2)
274 || (a->w == 1 && a->P == 0
275 && opt->mod != M_FU && opt->mod != M_IS && opt->mod != M_IU
276 && opt->mod != M_T && opt->mod != M_TFU && opt->mod != M_S2RND
277 && opt->mod != M_ISS2 && opt->mod != M_IH)
278 || (a->w == 0 && a->P == 0
279 && opt->mod != M_FU && opt->mod != M_IS && opt->mod != M_W32))
285 /* Check (vector) mac funcs and ops. */
288 check_macfuncs (Macfunc *aa, Opt_mode *opa,
289 Macfunc *ab, Opt_mode *opb)
291 /* Variables for swapping. */
295 /* The option mode should be put at the end of the second instruction
296 of the vector except M, which should follow MAC1 instruction. */
298 return yyerror ("Bad opt mode");
300 /* If a0macfunc comes before a1macfunc, swap them. */
304 /* (M) is not allowed here. */
306 return yyerror ("(M) not allowed with A0MAC");
308 return yyerror ("Vector AxMACs can't be same");
310 mtmp = *aa; *aa = *ab; *ab = mtmp;
311 otmp = *opa; *opa = *opb; *opb = otmp;
316 return yyerror ("(M) not allowed with A0MAC");
318 return yyerror ("Vector AxMACs can't be same");
321 /* If both ops are one of 0, 1, or 2, we have multiply_halfregs in both
322 assignment_or_macfuncs. */
323 if ((aa->op == 0 || aa->op == 1 || aa->op == 2)
324 && (ab->op == 0 || ab->op == 1 || ab->op == 2))
326 if (check_multiply_halfregs (aa, ab) < 0)
331 /* Only one of the assign_macfuncs has a half reg multiply
332 Evil trick: Just 'OR' their source register codes:
333 We can do that, because we know they were initialized to 0
334 in the rules that don't use multiply_halfregs. */
335 aa->s0.regno |= (ab->s0.regno & CODE_MASK);
336 aa->s1.regno |= (ab->s1.regno & CODE_MASK);
339 if (aa->w == ab->w && aa->P != ab->P)
340 return yyerror ("Destination Dreg sizes (full or half) must match");
344 if (aa->P && (aa->dst.regno - ab->dst.regno) != 1)
345 return yyerror ("Destination Dregs (full) must differ by one");
346 if (!aa->P && aa->dst.regno != ab->dst.regno)
347 return yyerror ("Destination Dregs (half) must match");
350 /* Make sure mod flags get ORed, too. */
351 opb->mod |= opa->mod;
354 if (check_macfunc_option (aa, opb) < 0
355 && check_macfunc_option (ab, opb) < 0)
356 return yyerror ("bad option");
358 /* Make sure first macfunc has got both P flags ORed. */
366 is_group1 (INSTR_T x)
368 /* Group1 is dpsLDST, LDSTpmod, LDST, LDSTiiFP, LDSTii. */
369 if ((x->value & 0xc000) == 0x8000 || (x->value == 0x0000))
376 is_group2 (INSTR_T x)
378 if ((((x->value & 0xfc00) == 0x9c00) /* dspLDST. */
379 && !((x->value & 0xfde0) == 0x9c60) /* dagMODim. */
380 && !((x->value & 0xfde0) == 0x9ce0) /* dagMODim with bit rev. */
381 && !((x->value & 0xfde0) == 0x9d60)) /* pick dagMODik. */
382 || (x->value == 0x0000))
393 if ((x->value & 0xf000) == 0x8000)
395 int aop = ((x->value >> 9) & 0x3);
396 int w = ((x->value >> 11) & 0x1);
402 if (((x->value & 0xFF60) == 0x9E60) || /* dagMODim_0 */
403 ((x->value & 0xFFF0) == 0x9F60)) /* dagMODik_0 */
406 /* decode_dspLDST_0 */
407 if ((x->value & 0xFC00) == 0x9C00)
409 int w = ((x->value >> 9) & 0x1);
418 gen_multi_instr_1 (INSTR_T dsp32, INSTR_T dsp16_grp1, INSTR_T dsp16_grp2)
420 int mask1 = dsp32 ? insn_regmask (dsp32->value, dsp32->next->value) : 0;
421 int mask2 = dsp16_grp1 ? insn_regmask (dsp16_grp1->value, 0) : 0;
422 int mask3 = dsp16_grp2 ? insn_regmask (dsp16_grp2->value, 0) : 0;
424 if ((mask1 & mask2) || (mask1 & mask3) || (mask2 & mask3))
425 yyerror ("resource conflict in multi-issue instruction");
427 /* Anomaly 05000074 */
428 if (ENABLE_AC_05000074
429 && dsp32 != NULL && dsp16_grp1 != NULL
430 && (dsp32->value & 0xf780) == 0xc680
431 && ((dsp16_grp1->value & 0xfe40) == 0x9240
432 || (dsp16_grp1->value & 0xfe08) == 0xba08
433 || (dsp16_grp1->value & 0xfc00) == 0xbc00))
434 yyerror ("anomaly 05000074 - Multi-Issue Instruction with \
435 dsp32shiftimm in slot1 and P-reg Store in slot2 Not Supported");
437 if (is_store (dsp16_grp1) && is_store (dsp16_grp2))
438 yyerror ("Only one instruction in multi-issue instruction can be a store");
440 return bfin_gen_multi_instr (dsp32, dsp16_grp1, dsp16_grp2);
452 struct { int r0; int s0; int x0; int aop; } modcodes;
453 struct { int r0; } r0;
460 /* Vector Specific. */
461 %token BYTEOP16P BYTEOP16M
462 %token BYTEOP1P BYTEOP2P BYTEOP3P
463 %token BYTEUNPACK BYTEPACK
466 %token ALIGN8 ALIGN16 ALIGN24
468 %token EXTRACT DEPOSIT EXPADJ SEARCH
469 %token ONES SIGN SIGNBITS
477 %token CCREG BYTE_DREG
478 %token REG_A_DOUBLE_ZERO REG_A_DOUBLE_ONE
479 %token A_ZERO_DOT_L A_ZERO_DOT_H A_ONE_DOT_L A_ONE_DOT_H
484 %token RTI RTS RTX RTN RTE
495 %token JUMP JUMP_DOT_S JUMP_DOT_L
502 %token NOT TILDA BANG
508 %token MINUS PLUS STAR SLASH
512 %token _PLUS_BAR_PLUS _PLUS_BAR_MINUS _MINUS_BAR_PLUS _MINUS_BAR_MINUS
513 %token _MINUS_MINUS _PLUS_PLUS
515 /* Shift/rotate ops. */
516 %token SHIFT LSHIFT ASHIFT BXORSHIFT
517 %token _GREATER_GREATER_GREATER_THAN_ASSIGN
519 %token LESS_LESS GREATER_GREATER
520 %token _GREATER_GREATER_GREATER
521 %token _LESS_LESS_ASSIGN _GREATER_GREATER_ASSIGN
524 /* In place operators. */
525 %token ASSIGN _STAR_ASSIGN
526 %token _BAR_ASSIGN _CARET_ASSIGN _AMPERSAND_ASSIGN
527 %token _MINUS_ASSIGN _PLUS_ASSIGN
529 /* Assignments, comparisons. */
530 %token _ASSIGN_BANG _LESS_THAN_ASSIGN _ASSIGN_ASSIGN
535 %token FLUSHINV FLUSH
536 %token IFLUSH PREFETCH
553 %token R RND RNDL RNDH RND12 RND20
558 %token BITTGL BITCLR BITSET BITTST BITMUX
561 %token DBGAL DBGAH DBGHALT DBG DBGA DBGCMPLX
563 /* Semantic auxiliaries. */
566 %token COLON SEMICOLON
567 %token RPAREN LPAREN LBRACK RBRACK
571 %token GOT GOT17M4 FUNCDESC_GOT17M4
581 %type <modcodes> byteop_mod
583 %type <reg> a_plusassign
584 %type <reg> a_minusassign
585 %type <macfunc> multiply_halfregs
586 %type <macfunc> assign_macfunc
587 %type <macfunc> a_macfunc
591 %type <modcodes> vsmod
592 %type <modcodes> ccstat
595 %type <reg> reg_with_postinc
596 %type <reg> reg_with_predec
600 %type <symbol> SYMBOL
603 %type <reg> BYTE_DREG
604 %type <reg> REG_A_DOUBLE_ZERO
605 %type <reg> REG_A_DOUBLE_ONE
607 %type <reg> STATUS_REG
611 %type <modcodes> smod
612 %type <modcodes> b3_op
613 %type <modcodes> rnd_op
614 %type <modcodes> post_op
616 %type <r0> iu_or_nothing
617 %type <r0> plus_minus
621 %type <modcodes> amod0
622 %type <modcodes> amod1
623 %type <modcodes> amod2
625 %type <r0> w32_or_nothing
629 %type <expr> got_or_expr
631 %type <value> any_gotrel GOT GOT17M4 FUNCDESC_GOT17M4
633 /* Precedence rules. */
637 %left LESS_LESS GREATER_GREATER
639 %left STAR SLASH PERCENT
650 if (insn == (INSTR_T) 0)
651 return NO_INSN_GENERATED;
652 else if (insn == (INSTR_T) - 1)
653 return SEMANTIC_ERROR;
655 return INSN_GENERATED;
660 /* Parallel instructions. */
661 | asm_1 DOUBLE_BAR asm_1 DOUBLE_BAR asm_1 SEMICOLON
663 if (($1->value & 0xf800) == 0xc000)
665 if (is_group1 ($3) && is_group2 ($5))
666 $$ = gen_multi_instr_1 ($1, $3, $5);
667 else if (is_group2 ($3) && is_group1 ($5))
668 $$ = gen_multi_instr_1 ($1, $5, $3);
670 return yyerror ("Wrong 16 bit instructions groups, slot 2 and slot 3 must be 16-bit instrution group");
672 else if (($3->value & 0xf800) == 0xc000)
674 if (is_group1 ($1) && is_group2 ($5))
675 $$ = gen_multi_instr_1 ($3, $1, $5);
676 else if (is_group2 ($1) && is_group1 ($5))
677 $$ = gen_multi_instr_1 ($3, $5, $1);
679 return yyerror ("Wrong 16 bit instructions groups, slot 1 and slot 3 must be 16-bit instrution group");
681 else if (($5->value & 0xf800) == 0xc000)
683 if (is_group1 ($1) && is_group2 ($3))
684 $$ = gen_multi_instr_1 ($5, $1, $3);
685 else if (is_group2 ($1) && is_group1 ($3))
686 $$ = gen_multi_instr_1 ($5, $3, $1);
688 return yyerror ("Wrong 16 bit instructions groups, slot 1 and slot 2 must be 16-bit instrution group");
691 error ("\nIllegal Multi Issue Construct, at least any one of the slot must be DSP32 instruction group\n");
694 | asm_1 DOUBLE_BAR asm_1 SEMICOLON
696 if (($1->value & 0xf800) == 0xc000)
699 $$ = gen_multi_instr_1 ($1, $3, 0);
700 else if (is_group2 ($3))
701 $$ = gen_multi_instr_1 ($1, 0, $3);
703 return yyerror ("Wrong 16 bit instructions groups, slot 2 must be the 16-bit instruction group");
705 else if (($3->value & 0xf800) == 0xc000)
708 $$ = gen_multi_instr_1 ($3, $1, 0);
709 else if (is_group2 ($1))
710 $$ = gen_multi_instr_1 ($3, 0, $1);
712 return yyerror ("Wrong 16 bit instructions groups, slot 1 must be the 16-bit instruction group");
714 else if (is_group1 ($1) && is_group2 ($3))
715 $$ = gen_multi_instr_1 (0, $1, $3);
716 else if (is_group2 ($1) && is_group1 ($3))
717 $$ = gen_multi_instr_1 (0, $3, $1);
719 return yyerror ("Wrong 16 bit instructions groups, slot 1 and slot 2 must be the 16-bit instruction group");
734 $$ = DSP32MAC (3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0);
736 | assign_macfunc opt_mode
740 int h00, h10, h01, h11;
742 if (check_macfunc_option (&$1, &$2) < 0)
743 return yyerror ("bad option");
748 return yyerror ("(m) not allowed with a0 unit");
767 $$ = DSP32MAC (op1, $2.MM, $2.mod, w1, $1.P, h01, h11, h00, h10,
768 &$1.dst, op0, &$1.s0, &$1.s1, w0);
774 | assign_macfunc opt_mode COMMA assign_macfunc opt_mode
778 if (check_macfuncs (&$1, &$2, &$4, &$5) < 0)
780 notethat ("assign_macfunc (.), assign_macfunc (.)\n");
787 $$ = DSP32MAC ($1.op, $2.MM, $5.mod, $1.w, $1.P,
788 IS_H ($1.s0), IS_H ($1.s1), IS_H ($4.s0), IS_H ($4.s1),
789 dst, $4.op, &$1.s0, &$1.s1, $4.w);
796 notethat ("dsp32alu: DISALGNEXCPT\n");
797 $$ = DSP32ALU (18, 0, 0, 0, 0, 0, 0, 0, 3);
799 | REG ASSIGN LPAREN a_plusassign REG_A RPAREN
801 if (IS_DREG ($1) && !IS_A1 ($4) && IS_A1 ($5))
803 notethat ("dsp32alu: dregs = ( A0 += A1 )\n");
804 $$ = DSP32ALU (11, 0, 0, &$1, 0, 0, 0, 0, 0);
807 return yyerror ("Register mismatch");
809 | HALF_REG ASSIGN LPAREN a_plusassign REG_A RPAREN
811 if (!IS_A1 ($4) && IS_A1 ($5))
813 notethat ("dsp32alu: dregs_half = ( A0 += A1 )\n");
814 $$ = DSP32ALU (11, IS_H ($1), 0, &$1, 0, 0, 0, 0, 1);
817 return yyerror ("Register mismatch");
819 | A_ZERO_DOT_H ASSIGN HALF_REG
821 notethat ("dsp32alu: A_ZERO_DOT_H = dregs_hi\n");
822 $$ = DSP32ALU (9, IS_H ($3), 0, 0, &$3, 0, 0, 0, 0);
824 | A_ONE_DOT_H ASSIGN HALF_REG
826 notethat ("dsp32alu: A_ZERO_DOT_H = dregs_hi\n");
827 $$ = DSP32ALU (9, IS_H ($3), 0, 0, &$3, 0, 0, 0, 2);
829 | LPAREN REG COMMA REG RPAREN ASSIGN BYTEOP16P LPAREN REG
830 COLON expr COMMA REG COLON expr RPAREN aligndir
832 if (!IS_DREG ($2) || !IS_DREG ($4))
833 return yyerror ("Dregs expected");
834 else if (REG_SAME ($2, $4))
835 return yyerror ("Illegal dest register combination");
836 else if (!valid_dreg_pair (&$9, $11))
837 return yyerror ("Bad dreg pair");
838 else if (!valid_dreg_pair (&$13, $15))
839 return yyerror ("Bad dreg pair");
842 notethat ("dsp32alu: (dregs , dregs ) = BYTEOP16P (dregs_pair , dregs_pair ) (aligndir)\n");
843 $$ = DSP32ALU (21, 0, &$2, &$4, &$9, &$13, $17.r0, 0, 0);
847 | LPAREN REG COMMA REG RPAREN ASSIGN BYTEOP16M LPAREN REG COLON expr COMMA
848 REG COLON expr RPAREN aligndir
850 if (!IS_DREG ($2) || !IS_DREG ($4))
851 return yyerror ("Dregs expected");
852 else if (!valid_dreg_pair (&$9, $11))
853 return yyerror ("Bad dreg pair");
854 else if (!valid_dreg_pair (&$13, $15))
855 return yyerror ("Bad dreg pair");
858 notethat ("dsp32alu: (dregs , dregs ) = BYTEOP16M (dregs_pair , dregs_pair ) (aligndir)\n");
859 $$ = DSP32ALU (21, 0, &$2, &$4, &$9, &$13, $17.r0, 0, 1);
863 | LPAREN REG COMMA REG RPAREN ASSIGN BYTEUNPACK REG COLON expr aligndir
865 if (!IS_DREG ($2) || !IS_DREG ($4))
866 return yyerror ("Dregs expected");
867 else if (!valid_dreg_pair (&$8, $10))
868 return yyerror ("Bad dreg pair");
871 notethat ("dsp32alu: (dregs , dregs ) = BYTEUNPACK dregs_pair (aligndir)\n");
872 $$ = DSP32ALU (24, 0, &$2, &$4, &$8, 0, $11.r0, 0, 1);
875 | LPAREN REG COMMA REG RPAREN ASSIGN SEARCH REG LPAREN searchmod RPAREN
877 if (REG_SAME ($2, $4))
878 return yyerror ("Illegal dest register combination");
880 if (IS_DREG ($2) && IS_DREG ($4) && IS_DREG ($8))
882 notethat ("dsp32alu: (dregs , dregs ) = SEARCH dregs (searchmod)\n");
883 $$ = DSP32ALU (13, 0, &$2, &$4, &$8, 0, 0, 0, $10.r0);
886 return yyerror ("Register mismatch");
888 | REG ASSIGN A_ONE_DOT_L PLUS A_ONE_DOT_H COMMA
889 REG ASSIGN A_ZERO_DOT_L PLUS A_ZERO_DOT_H
891 if (REG_SAME ($1, $7))
892 return yyerror ("Illegal dest register combination");
894 if (IS_DREG ($1) && IS_DREG ($7))
896 notethat ("dsp32alu: dregs = A1.l + A1.h, dregs = A0.l + A0.h \n");
897 $$ = DSP32ALU (12, 0, &$1, &$7, 0, 0, 0, 0, 1);
900 return yyerror ("Register mismatch");
904 | REG ASSIGN REG_A PLUS REG_A COMMA REG ASSIGN REG_A MINUS REG_A amod1
906 if (REG_SAME ($1, $7))
907 return yyerror ("Resource conflict in dest reg");
909 if (IS_DREG ($1) && IS_DREG ($7) && !REG_SAME ($3, $5)
910 && IS_A1 ($9) && !IS_A1 ($11))
912 notethat ("dsp32alu: dregs = A1 + A0 , dregs = A1 - A0 (amod1)\n");
913 $$ = DSP32ALU (17, 0, &$1, &$7, 0, 0, $12.s0, $12.x0, 0);
916 else if (IS_DREG ($1) && IS_DREG ($7) && !REG_SAME ($3, $5)
917 && !IS_A1 ($9) && IS_A1 ($11))
919 notethat ("dsp32alu: dregs = A0 + A1 , dregs = A0 - A1 (amod1)\n");
920 $$ = DSP32ALU (17, 0, &$1, &$7, 0, 0, $12.s0, $12.x0, 1);
923 return yyerror ("Register mismatch");
926 | REG ASSIGN REG plus_minus REG COMMA REG ASSIGN REG plus_minus REG amod1
929 return yyerror ("Operators must differ");
931 if (IS_DREG ($1) && IS_DREG ($3) && IS_DREG ($5)
932 && REG_SAME ($3, $9) && REG_SAME ($5, $11))
934 notethat ("dsp32alu: dregs = dregs + dregs,"
935 "dregs = dregs - dregs (amod1)\n");
936 $$ = DSP32ALU (4, 0, &$1, &$7, &$3, &$5, $12.s0, $12.x0, 2);
939 return yyerror ("Register mismatch");
942 /* Bar Operations. */
944 | REG ASSIGN REG op_bar_op REG COMMA REG ASSIGN REG op_bar_op REG amod2
946 if (!REG_SAME ($3, $9) || !REG_SAME ($5, $11))
947 return yyerror ("Differing source registers");
949 if (!IS_DREG ($1) || !IS_DREG ($3) || !IS_DREG ($5) || !IS_DREG ($7))
950 return yyerror ("Dregs expected");
952 if (REG_SAME ($1, $7))
953 return yyerror ("Resource conflict in dest reg");
955 if ($4.r0 == 1 && $10.r0 == 2)
957 notethat ("dsp32alu: dregs = dregs .|. dregs , dregs = dregs .|. dregs (amod2)\n");
958 $$ = DSP32ALU (1, 1, &$1, &$7, &$3, &$5, $12.s0, $12.x0, $12.r0);
960 else if ($4.r0 == 0 && $10.r0 == 3)
962 notethat ("dsp32alu: dregs = dregs .|. dregs , dregs = dregs .|. dregs (amod2)\n");
963 $$ = DSP32ALU (1, 0, &$1, &$7, &$3, &$5, $12.s0, $12.x0, $12.r0);
966 return yyerror ("Bar operand mismatch");
969 | REG ASSIGN ABS REG vmod
973 if (IS_DREG ($1) && IS_DREG ($4))
977 notethat ("dsp32alu: dregs = ABS dregs (v)\n");
982 /* Vector version of ABS. */
983 notethat ("dsp32alu: dregs = ABS dregs\n");
986 $$ = DSP32ALU (op, 0, 0, &$1, &$4, 0, 0, 0, 2);
989 return yyerror ("Dregs expected");
993 notethat ("dsp32alu: Ax = ABS Ax\n");
994 $$ = DSP32ALU (16, IS_A1 ($1), 0, 0, 0, 0, 0, 0, IS_A1 ($3));
996 | A_ZERO_DOT_L ASSIGN HALF_REG
1000 notethat ("dsp32alu: A0.l = reg_half\n");
1001 $$ = DSP32ALU (9, IS_H ($3), 0, 0, &$3, 0, 0, 0, 0);
1004 return yyerror ("A0.l = Rx.l expected");
1006 | A_ONE_DOT_L ASSIGN HALF_REG
1010 notethat ("dsp32alu: A1.l = reg_half\n");
1011 $$ = DSP32ALU (9, IS_H ($3), 0, 0, &$3, 0, 0, 0, 2);
1014 return yyerror ("A1.l = Rx.l expected");
1017 | REG ASSIGN c_align LPAREN REG COMMA REG RPAREN
1019 if (IS_DREG ($1) && IS_DREG ($5) && IS_DREG ($7))
1021 notethat ("dsp32shift: dregs = ALIGN8 (dregs , dregs )\n");
1022 $$ = DSP32SHIFT (13, &$1, &$7, &$5, $3.r0, 0);
1025 return yyerror ("Dregs expected");
1028 | REG ASSIGN BYTEOP1P LPAREN REG COLON expr COMMA REG COLON expr RPAREN byteop_mod
1031 return yyerror ("Dregs expected");
1032 else if (!valid_dreg_pair (&$5, $7))
1033 return yyerror ("Bad dreg pair");
1034 else if (!valid_dreg_pair (&$9, $11))
1035 return yyerror ("Bad dreg pair");
1038 notethat ("dsp32alu: dregs = BYTEOP1P (dregs_pair , dregs_pair ) (T)\n");
1039 $$ = DSP32ALU (20, 0, 0, &$1, &$5, &$9, $13.s0, 0, $13.r0);
1042 | REG ASSIGN BYTEOP1P LPAREN REG COLON expr COMMA REG COLON expr RPAREN
1045 return yyerror ("Dregs expected");
1046 else if (!valid_dreg_pair (&$5, $7))
1047 return yyerror ("Bad dreg pair");
1048 else if (!valid_dreg_pair (&$9, $11))
1049 return yyerror ("Bad dreg pair");
1052 notethat ("dsp32alu: dregs = BYTEOP1P (dregs_pair , dregs_pair ) (T)\n");
1053 $$ = DSP32ALU (20, 0, 0, &$1, &$5, &$9, 0, 0, 0);
1057 | REG ASSIGN BYTEOP2P LPAREN REG COLON expr COMMA REG COLON expr RPAREN
1061 return yyerror ("Dregs expected");
1062 else if (!valid_dreg_pair (&$5, $7))
1063 return yyerror ("Bad dreg pair");
1064 else if (!valid_dreg_pair (&$9, $11))
1065 return yyerror ("Bad dreg pair");
1068 notethat ("dsp32alu: dregs = BYTEOP2P (dregs_pair , dregs_pair ) (rnd_op)\n");
1069 $$ = DSP32ALU (22, $13.r0, 0, &$1, &$5, &$9, $13.s0, $13.x0, $13.aop);
1073 | REG ASSIGN BYTEOP3P LPAREN REG COLON expr COMMA REG COLON expr RPAREN
1077 return yyerror ("Dregs expected");
1078 else if (!valid_dreg_pair (&$5, $7))
1079 return yyerror ("Bad dreg pair");
1080 else if (!valid_dreg_pair (&$9, $11))
1081 return yyerror ("Bad dreg pair");
1084 notethat ("dsp32alu: dregs = BYTEOP3P (dregs_pair , dregs_pair ) (b3_op)\n");
1085 $$ = DSP32ALU (23, $13.x0, 0, &$1, &$5, &$9, $13.s0, 0, 0);
1089 | REG ASSIGN BYTEPACK LPAREN REG COMMA REG RPAREN
1091 if (IS_DREG ($1) && IS_DREG ($5) && IS_DREG ($7))
1093 notethat ("dsp32alu: dregs = BYTEPACK (dregs , dregs )\n");
1094 $$ = DSP32ALU (24, 0, 0, &$1, &$5, &$7, 0, 0, 0);
1097 return yyerror ("Dregs expected");
1100 | HALF_REG ASSIGN HALF_REG ASSIGN SIGN LPAREN HALF_REG RPAREN STAR
1101 HALF_REG PLUS SIGN LPAREN HALF_REG RPAREN STAR HALF_REG
1103 if (IS_HCOMPL ($1, $3) && IS_HCOMPL ($7, $14) && IS_HCOMPL ($10, $17))
1105 notethat ("dsp32alu: dregs_hi = dregs_lo ="
1106 "SIGN (dregs_hi) * dregs_hi + "
1107 "SIGN (dregs_lo) * dregs_lo \n");
1109 $$ = DSP32ALU (12, 0, 0, &$1, &$7, &$10, 0, 0, 0);
1112 return yyerror ("Dregs expected");
1114 | REG ASSIGN REG plus_minus REG amod1
1116 if (IS_DREG ($1) && IS_DREG ($3) && IS_DREG ($5))
1120 /* No saturation flag specified, generate the 16 bit variant. */
1121 notethat ("COMP3op: dregs = dregs +- dregs\n");
1122 $$ = COMP3OP (&$1, &$3, &$5, $4.r0);
1126 /* Saturation flag specified, generate the 32 bit variant. */
1127 notethat ("dsp32alu: dregs = dregs +- dregs (amod1)\n");
1128 $$ = DSP32ALU (4, 0, 0, &$1, &$3, &$5, $6.s0, $6.x0, $4.r0);
1132 if (IS_PREG ($1) && IS_PREG ($3) && IS_PREG ($5) && $4.r0 == 0)
1134 notethat ("COMP3op: pregs = pregs + pregs\n");
1135 $$ = COMP3OP (&$1, &$3, &$5, 5);
1138 return yyerror ("Dregs expected");
1140 | REG ASSIGN min_max LPAREN REG COMMA REG RPAREN vmod
1144 if (IS_DREG ($1) && IS_DREG ($5) && IS_DREG ($7))
1151 notethat ("dsp32alu: dregs = {MIN|MAX} (dregs, dregs)\n");
1152 $$ = DSP32ALU (op, 0, 0, &$1, &$5, &$7, 0, 0, $3.r0);
1155 return yyerror ("Dregs expected");
1158 | a_assign MINUS REG_A
1160 notethat ("dsp32alu: Ax = - Ax\n");
1161 $$ = DSP32ALU (14, IS_A1 ($1), 0, 0, 0, 0, 0, 0, IS_A1 ($3));
1163 | HALF_REG ASSIGN HALF_REG plus_minus HALF_REG amod1
1165 notethat ("dsp32alu: dregs_lo = dregs_lo +- dregs_lo (amod1)\n");
1166 $$ = DSP32ALU (2 | $4.r0, IS_H ($1), 0, &$1, &$3, &$5,
1167 $6.s0, $6.x0, HL2 ($3, $5));
1169 | a_assign a_assign expr
1171 if (EXPR_VALUE ($3) == 0 && !REG_SAME ($1, $2))
1173 notethat ("dsp32alu: A1 = A0 = 0\n");
1174 $$ = DSP32ALU (8, 0, 0, 0, 0, 0, 0, 0, 2);
1177 return yyerror ("Bad value, 0 expected");
1181 | a_assign REG_A LPAREN S RPAREN
1183 if (REG_SAME ($1, $2))
1185 notethat ("dsp32alu: Ax = Ax (S)\n");
1186 $$ = DSP32ALU (8, 0, 0, 0, 0, 0, 1, 0, IS_A1 ($1));
1189 return yyerror ("Registers must be equal");
1192 | HALF_REG ASSIGN REG LPAREN RND RPAREN
1196 notethat ("dsp32alu: dregs_half = dregs (RND)\n");
1197 $$ = DSP32ALU (12, IS_H ($1), 0, &$1, &$3, 0, 0, 0, 3);
1200 return yyerror ("Dregs expected");
1203 | HALF_REG ASSIGN REG plus_minus REG LPAREN RND12 RPAREN
1205 if (IS_DREG ($3) && IS_DREG ($5))
1207 notethat ("dsp32alu: dregs_half = dregs (+-) dregs (RND12)\n");
1208 $$ = DSP32ALU (5, IS_H ($1), 0, &$1, &$3, &$5, 0, 0, $4.r0);
1211 return yyerror ("Dregs expected");
1214 | HALF_REG ASSIGN REG plus_minus REG LPAREN RND20 RPAREN
1216 if (IS_DREG ($3) && IS_DREG ($5))
1218 notethat ("dsp32alu: dregs_half = dregs -+ dregs (RND20)\n");
1219 $$ = DSP32ALU (5, IS_H ($1), 0, &$1, &$3, &$5, 0, 1, $4.r0 | 2);
1222 return yyerror ("Dregs expected");
1227 if (!REG_SAME ($1, $2))
1229 notethat ("dsp32alu: An = Am\n");
1230 $$ = DSP32ALU (8, 0, 0, 0, 0, 0, IS_A1 ($1), 0, 3);
1233 return yyerror ("Accu reg arguments must differ");
1240 notethat ("dsp32alu: An = dregs\n");
1241 $$ = DSP32ALU (9, 0, 0, 0, &$2, 0, 1, 0, IS_A1 ($1) << 1);
1244 return yyerror ("Dregs expected");
1247 | REG ASSIGN HALF_REG xpmod
1251 if ($1.regno == REG_A0x && IS_DREG ($3))
1253 notethat ("dsp32alu: A0.x = dregs_lo\n");
1254 $$ = DSP32ALU (9, 0, 0, 0, &$3, 0, 0, 0, 1);
1256 else if ($1.regno == REG_A1x && IS_DREG ($3))
1258 notethat ("dsp32alu: A1.x = dregs_lo\n");
1259 $$ = DSP32ALU (9, 0, 0, 0, &$3, 0, 0, 0, 3);
1261 else if (IS_DREG ($1) && IS_DREG ($3))
1263 notethat ("ALU2op: dregs = dregs_lo\n");
1264 $$ = ALU2OP (&$1, &$3, 10 | ($4.r0 ? 0: 1));
1267 return yyerror ("Register mismatch");
1270 return yyerror ("Low reg expected");
1273 | HALF_REG ASSIGN expr
1275 notethat ("LDIMMhalf: pregs_half = imm16\n");
1277 if (!IS_DREG ($1) && !IS_PREG ($1) && !IS_IREG ($1)
1278 && !IS_MREG ($1) && !IS_BREG ($1) && !IS_LREG ($1))
1279 return yyerror ("Wrong register for load immediate");
1281 if (!IS_IMM ($3, 16) && !IS_UIMM ($3, 16))
1282 return yyerror ("Constant out of range");
1284 $$ = LDIMMHALF_R (&$1, IS_H ($1), 0, 0, $3);
1289 notethat ("dsp32alu: An = 0\n");
1292 return yyerror ("0 expected");
1294 $$ = DSP32ALU (8, 0, 0, 0, 0, 0, 0, 0, IS_A1 ($1));
1297 | REG ASSIGN expr xpmod1
1299 if (!IS_DREG ($1) && !IS_PREG ($1) && !IS_IREG ($1)
1300 && !IS_MREG ($1) && !IS_BREG ($1) && !IS_LREG ($1))
1301 return yyerror ("Wrong register for load immediate");
1305 /* 7 bit immediate value if possible.
1306 We will check for that constant value for efficiency
1307 If it goes to reloc, it will be 16 bit. */
1308 if (IS_CONST ($3) && IS_IMM ($3, 7) && IS_DREG ($1))
1310 notethat ("COMPI2opD: dregs = imm7 (x) \n");
1311 $$ = COMPI2OPD (&$1, imm7 ($3), 0);
1313 else if (IS_CONST ($3) && IS_IMM ($3, 7) && IS_PREG ($1))
1315 notethat ("COMPI2opP: pregs = imm7 (x)\n");
1316 $$ = COMPI2OPP (&$1, imm7 ($3), 0);
1320 if (IS_CONST ($3) && !IS_IMM ($3, 16))
1321 return yyerror ("Immediate value out of range");
1323 notethat ("LDIMMhalf: regs = luimm16 (x)\n");
1325 $$ = LDIMMHALF_R5 (&$1, 0, 1, 0, $3);
1330 /* (z) There is no 7 bit zero extended instruction.
1331 If the expr is a relocation, generate it. */
1333 if (IS_CONST ($3) && !IS_UIMM ($3, 16))
1334 return yyerror ("Immediate value out of range");
1336 notethat ("LDIMMhalf: regs = luimm16 (x)\n");
1338 $$ = LDIMMHALF_R5 (&$1, 0, 0, 1, $3);
1342 | HALF_REG ASSIGN REG
1345 return yyerror ("Low reg expected");
1347 if (IS_DREG ($1) && $3.regno == REG_A0x)
1349 notethat ("dsp32alu: dregs_lo = A0.x\n");
1350 $$ = DSP32ALU (10, 0, 0, &$1, 0, 0, 0, 0, 0);
1352 else if (IS_DREG ($1) && $3.regno == REG_A1x)
1354 notethat ("dsp32alu: dregs_lo = A1.x\n");
1355 $$ = DSP32ALU (10, 0, 0, &$1, 0, 0, 0, 0, 1);
1358 return yyerror ("Register mismatch");
1361 | REG ASSIGN REG op_bar_op REG amod0
1363 if (IS_DREG ($1) && IS_DREG ($3) && IS_DREG ($5))
1365 notethat ("dsp32alu: dregs = dregs .|. dregs (amod0)\n");
1366 $$ = DSP32ALU (0, 0, 0, &$1, &$3, &$5, $6.s0, $6.x0, $4.r0);
1369 return yyerror ("Register mismatch");
1372 | REG ASSIGN BYTE_DREG xpmod
1374 if (IS_DREG ($1) && IS_DREG ($3))
1376 notethat ("ALU2op: dregs = dregs_byte\n");
1377 $$ = ALU2OP (&$1, &$3, 12 | ($4.r0 ? 0: 1));
1380 return yyerror ("Register mismatch");
1383 | a_assign ABS REG_A COMMA a_assign ABS REG_A
1385 if (REG_SAME ($1, $3) && REG_SAME ($5, $7) && !REG_SAME ($1, $5))
1387 notethat ("dsp32alu: A1 = ABS A1 , A0 = ABS A0\n");
1388 $$ = DSP32ALU (16, 0, 0, 0, 0, 0, 0, 0, 3);
1391 return yyerror ("Register mismatch");
1394 | a_assign MINUS REG_A COMMA a_assign MINUS REG_A
1396 if (REG_SAME ($1, $3) && REG_SAME ($5, $7) && !REG_SAME ($1, $5))
1398 notethat ("dsp32alu: A1 = - A1 , A0 = - A0\n");
1399 $$ = DSP32ALU (14, 0, 0, 0, 0, 0, 0, 0, 3);
1402 return yyerror ("Register mismatch");
1405 | a_minusassign REG_A w32_or_nothing
1407 if (!IS_A1 ($1) && IS_A1 ($2))
1409 notethat ("dsp32alu: A0 -= A1\n");
1410 $$ = DSP32ALU (11, 0, 0, 0, 0, 0, $3.r0, 0, 3);
1413 return yyerror ("Register mismatch");
1416 | REG _MINUS_ASSIGN expr
1418 if (IS_IREG ($1) && EXPR_VALUE ($3) == 4)
1420 notethat ("dagMODik: iregs -= 4\n");
1421 $$ = DAGMODIK (&$1, 3);
1423 else if (IS_IREG ($1) && EXPR_VALUE ($3) == 2)
1425 notethat ("dagMODik: iregs -= 2\n");
1426 $$ = DAGMODIK (&$1, 1);
1429 return yyerror ("Register or value mismatch");
1432 | REG _PLUS_ASSIGN REG LPAREN BREV RPAREN
1434 if (IS_IREG ($1) && IS_MREG ($3))
1436 notethat ("dagMODim: iregs += mregs (opt_brev)\n");
1438 $$ = DAGMODIM (&$1, &$3, 0, 1);
1440 else if (IS_PREG ($1) && IS_PREG ($3))
1442 notethat ("PTR2op: pregs += pregs (BREV )\n");
1443 $$ = PTR2OP (&$1, &$3, 5);
1446 return yyerror ("Register mismatch");
1449 | REG _MINUS_ASSIGN REG
1451 if (IS_IREG ($1) && IS_MREG ($3))
1453 notethat ("dagMODim: iregs -= mregs\n");
1454 $$ = DAGMODIM (&$1, &$3, 1, 0);
1456 else if (IS_PREG ($1) && IS_PREG ($3))
1458 notethat ("PTR2op: pregs -= pregs\n");
1459 $$ = PTR2OP (&$1, &$3, 0);
1462 return yyerror ("Register mismatch");
1465 | REG_A _PLUS_ASSIGN REG_A w32_or_nothing
1467 if (!IS_A1 ($1) && IS_A1 ($3))
1469 notethat ("dsp32alu: A0 += A1 (W32)\n");
1470 $$ = DSP32ALU (11, 0, 0, 0, 0, 0, $4.r0, 0, 2);
1473 return yyerror ("Register mismatch");
1476 | REG _PLUS_ASSIGN REG
1478 if (IS_IREG ($1) && IS_MREG ($3))
1480 notethat ("dagMODim: iregs += mregs\n");
1481 $$ = DAGMODIM (&$1, &$3, 0, 0);
1484 return yyerror ("iregs += mregs expected");
1487 | REG _PLUS_ASSIGN expr
1491 if (EXPR_VALUE ($3) == 4)
1493 notethat ("dagMODik: iregs += 4\n");
1494 $$ = DAGMODIK (&$1, 2);
1496 else if (EXPR_VALUE ($3) == 2)
1498 notethat ("dagMODik: iregs += 2\n");
1499 $$ = DAGMODIK (&$1, 0);
1502 return yyerror ("iregs += [ 2 | 4 ");
1504 else if (IS_PREG ($1) && IS_IMM ($3, 7))
1506 notethat ("COMPI2opP: pregs += imm7\n");
1507 $$ = COMPI2OPP (&$1, imm7 ($3), 1);
1509 else if (IS_DREG ($1) && IS_IMM ($3, 7))
1511 notethat ("COMPI2opD: dregs += imm7\n");
1512 $$ = COMPI2OPD (&$1, imm7 ($3), 1);
1514 else if ((IS_DREG ($1) || IS_PREG ($1)) && IS_CONST ($3))
1515 return yyerror ("Immediate value out of range");
1517 return yyerror ("Register mismatch");
1520 | REG _STAR_ASSIGN REG
1522 if (IS_DREG ($1) && IS_DREG ($3))
1524 notethat ("ALU2op: dregs *= dregs\n");
1525 $$ = ALU2OP (&$1, &$3, 3);
1528 return yyerror ("Register mismatch");
1531 | SAA LPAREN REG COLON expr COMMA REG COLON expr RPAREN aligndir
1533 if (!valid_dreg_pair (&$3, $5))
1534 return yyerror ("Bad dreg pair");
1535 else if (!valid_dreg_pair (&$7, $9))
1536 return yyerror ("Bad dreg pair");
1539 notethat ("dsp32alu: SAA (dregs_pair , dregs_pair ) (aligndir)\n");
1540 $$ = DSP32ALU (18, 0, 0, 0, &$3, &$7, $11.r0, 0, 0);
1544 | a_assign REG_A LPAREN S RPAREN COMMA a_assign REG_A LPAREN S RPAREN
1546 if (REG_SAME ($1, $2) && REG_SAME ($7, $8) && !REG_SAME ($1, $7))
1548 notethat ("dsp32alu: A1 = A1 (S) , A0 = A0 (S)\n");
1549 $$ = DSP32ALU (8, 0, 0, 0, 0, 0, 1, 0, 2);
1552 return yyerror ("Register mismatch");
1555 | REG ASSIGN LPAREN REG PLUS REG RPAREN LESS_LESS expr
1557 if (IS_DREG ($1) && IS_DREG ($4) && IS_DREG ($6)
1558 && REG_SAME ($1, $4))
1560 if (EXPR_VALUE ($9) == 1)
1562 notethat ("ALU2op: dregs = (dregs + dregs) << 1\n");
1563 $$ = ALU2OP (&$1, &$6, 4);
1565 else if (EXPR_VALUE ($9) == 2)
1567 notethat ("ALU2op: dregs = (dregs + dregs) << 2\n");
1568 $$ = ALU2OP (&$1, &$6, 5);
1571 return yyerror ("Bad shift value");
1573 else if (IS_PREG ($1) && IS_PREG ($4) && IS_PREG ($6)
1574 && REG_SAME ($1, $4))
1576 if (EXPR_VALUE ($9) == 1)
1578 notethat ("PTR2op: pregs = (pregs + pregs) << 1\n");
1579 $$ = PTR2OP (&$1, &$6, 6);
1581 else if (EXPR_VALUE ($9) == 2)
1583 notethat ("PTR2op: pregs = (pregs + pregs) << 2\n");
1584 $$ = PTR2OP (&$1, &$6, 7);
1587 return yyerror ("Bad shift value");
1590 return yyerror ("Register mismatch");
1594 | REG ASSIGN REG BAR REG
1596 if (IS_DREG ($1) && IS_DREG ($3) && IS_DREG ($5))
1598 notethat ("COMP3op: dregs = dregs | dregs\n");
1599 $$ = COMP3OP (&$1, &$3, &$5, 3);
1602 return yyerror ("Dregs expected");
1604 | REG ASSIGN REG CARET REG
1606 if (IS_DREG ($1) && IS_DREG ($3) && IS_DREG ($5))
1608 notethat ("COMP3op: dregs = dregs ^ dregs\n");
1609 $$ = COMP3OP (&$1, &$3, &$5, 4);
1612 return yyerror ("Dregs expected");
1614 | REG ASSIGN REG PLUS LPAREN REG LESS_LESS expr RPAREN
1616 if (IS_PREG ($1) && IS_PREG ($3) && IS_PREG ($6))
1618 if (EXPR_VALUE ($8) == 1)
1620 notethat ("COMP3op: pregs = pregs + (pregs << 1)\n");
1621 $$ = COMP3OP (&$1, &$3, &$6, 6);
1623 else if (EXPR_VALUE ($8) == 2)
1625 notethat ("COMP3op: pregs = pregs + (pregs << 2)\n");
1626 $$ = COMP3OP (&$1, &$3, &$6, 7);
1629 return yyerror ("Bad shift value");
1632 return yyerror ("Dregs expected");
1634 | CCREG ASSIGN REG_A _ASSIGN_ASSIGN REG_A
1636 if ($3.regno == REG_A0 && $5.regno == REG_A1)
1638 notethat ("CCflag: CC = A0 == A1\n");
1639 $$ = CCFLAG (0, 0, 5, 0, 0);
1642 return yyerror ("AREGs are in bad order or same");
1644 | CCREG ASSIGN REG_A LESS_THAN REG_A
1646 if ($3.regno == REG_A0 && $5.regno == REG_A1)
1648 notethat ("CCflag: CC = A0 < A1\n");
1649 $$ = CCFLAG (0, 0, 6, 0, 0);
1652 return yyerror ("AREGs are in bad order or same");
1654 | CCREG ASSIGN REG LESS_THAN REG iu_or_nothing
1656 if ((IS_DREG ($3) && IS_DREG ($5))
1657 || (IS_PREG ($3) && IS_PREG ($5)))
1659 notethat ("CCflag: CC = dpregs < dpregs\n");
1660 $$ = CCFLAG (&$3, $5.regno & CODE_MASK, $6.r0, 0, IS_PREG ($3) ? 1 : 0);
1663 return yyerror ("Bad register in comparison");
1665 | CCREG ASSIGN REG LESS_THAN expr iu_or_nothing
1667 if (!IS_DREG ($3) && !IS_PREG ($3))
1668 return yyerror ("Bad register in comparison");
1670 if (($6.r0 == 1 && IS_IMM ($5, 3))
1671 || ($6.r0 == 3 && IS_UIMM ($5, 3)))
1673 notethat ("CCflag: CC = dpregs < (u)imm3\n");
1674 $$ = CCFLAG (&$3, imm3 ($5), $6.r0, 1, IS_PREG ($3) ? 1 : 0);
1677 return yyerror ("Bad constant value");
1679 | CCREG ASSIGN REG _ASSIGN_ASSIGN REG
1681 if ((IS_DREG ($3) && IS_DREG ($5))
1682 || (IS_PREG ($3) && IS_PREG ($5)))
1684 notethat ("CCflag: CC = dpregs == dpregs\n");
1685 $$ = CCFLAG (&$3, $5.regno & CODE_MASK, 0, 0, IS_PREG ($3) ? 1 : 0);
1688 return yyerror ("Bad register in comparison");
1690 | CCREG ASSIGN REG _ASSIGN_ASSIGN expr
1692 if (!IS_DREG ($3) && !IS_PREG ($3))
1693 return yyerror ("Bad register in comparison");
1697 notethat ("CCflag: CC = dpregs == imm3\n");
1698 $$ = CCFLAG (&$3, imm3 ($5), 0, 1, IS_PREG ($3) ? 1 : 0);
1701 return yyerror ("Bad constant range");
1703 | CCREG ASSIGN REG_A _LESS_THAN_ASSIGN REG_A
1705 if ($3.regno == REG_A0 && $5.regno == REG_A1)
1707 notethat ("CCflag: CC = A0 <= A1\n");
1708 $$ = CCFLAG (0, 0, 7, 0, 0);
1711 return yyerror ("AREGs are in bad order or same");
1713 | CCREG ASSIGN REG _LESS_THAN_ASSIGN REG iu_or_nothing
1715 if ((IS_DREG ($3) && IS_DREG ($5))
1716 || (IS_PREG ($3) && IS_PREG ($5)))
1718 notethat ("CCflag: CC = dpregs <= dpregs (..)\n");
1719 $$ = CCFLAG (&$3, $5.regno & CODE_MASK,
1720 1 + $6.r0, 0, IS_PREG ($3) ? 1 : 0);
1723 return yyerror ("Bad register in comparison");
1725 | CCREG ASSIGN REG _LESS_THAN_ASSIGN expr iu_or_nothing
1727 if (!IS_DREG ($3) && !IS_PREG ($3))
1728 return yyerror ("Bad register in comparison");
1730 if (($6.r0 == 1 && IS_IMM ($5, 3))
1731 || ($6.r0 == 3 && IS_UIMM ($5, 3)))
1733 notethat ("CCflag: CC = dpregs <= (u)imm3\n");
1734 $$ = CCFLAG (&$3, imm3 ($5), 1 + $6.r0, 1, IS_PREG ($3) ? 1 : 0);
1737 return yyerror ("Bad constant value");
1740 | REG ASSIGN REG AMPERSAND REG
1742 if (IS_DREG ($1) && IS_DREG ($3) && IS_DREG ($5))
1744 notethat ("COMP3op: dregs = dregs & dregs\n");
1745 $$ = COMP3OP (&$1, &$3, &$5, 2);
1748 return yyerror ("Dregs expected");
1753 notethat ("CC2stat operation\n");
1754 $$ = bfin_gen_cc2stat ($1.r0, $1.x0, $1.s0);
1759 if ((IS_GENREG ($1) && IS_GENREG ($3))
1760 || (IS_GENREG ($1) && IS_DAGREG ($3))
1761 || (IS_DAGREG ($1) && IS_GENREG ($3))
1762 || (IS_DAGREG ($1) && IS_DAGREG ($3))
1763 || (IS_GENREG ($1) && $3.regno == REG_USP)
1764 || ($1.regno == REG_USP && IS_GENREG ($3))
1765 || ($1.regno == REG_USP && $3.regno == REG_USP)
1766 || (IS_DREG ($1) && IS_SYSREG ($3))
1767 || (IS_PREG ($1) && IS_SYSREG ($3))
1768 || (IS_SYSREG ($1) && IS_GENREG ($3))
1769 || (IS_ALLREG ($1) && IS_EMUDAT ($3))
1770 || (IS_EMUDAT ($1) && IS_ALLREG ($3))
1771 || (IS_SYSREG ($1) && $3.regno == REG_USP))
1773 $$ = bfin_gen_regmv (&$3, &$1);
1776 return yyerror ("Unsupported register move");
1783 notethat ("CC2dreg: CC = dregs\n");
1784 $$ = bfin_gen_cc2dreg (1, &$3);
1787 return yyerror ("Only 'CC = Dreg' supported");
1794 notethat ("CC2dreg: dregs = CC\n");
1795 $$ = bfin_gen_cc2dreg (0, &$1);
1798 return yyerror ("Only 'Dreg = CC' supported");
1801 | CCREG _ASSIGN_BANG CCREG
1803 notethat ("CC2dreg: CC =! CC\n");
1804 $$ = bfin_gen_cc2dreg (3, 0);
1809 | HALF_REG ASSIGN multiply_halfregs opt_mode
1811 notethat ("dsp32mult: dregs_half = multiply_halfregs (opt_mode)\n");
1813 if (!IS_H ($1) && $4.MM)
1814 return yyerror ("(M) not allowed with MAC0");
1816 if ($4.mod != 0 && $4.mod != M_FU && $4.mod != M_IS
1817 && $4.mod != M_IU && $4.mod != M_T && $4.mod != M_TFU
1818 && $4.mod != M_S2RND && $4.mod != M_ISS2 && $4.mod != M_IH)
1819 return yyerror ("bad option.");
1823 $$ = DSP32MULT (0, $4.MM, $4.mod, 1, 0,
1824 IS_H ($3.s0), IS_H ($3.s1), 0, 0,
1825 &$1, 0, &$3.s0, &$3.s1, 0);
1829 $$ = DSP32MULT (0, 0, $4.mod, 0, 0,
1830 0, 0, IS_H ($3.s0), IS_H ($3.s1),
1831 &$1, 0, &$3.s0, &$3.s1, 1);
1835 | REG ASSIGN multiply_halfregs opt_mode
1837 /* Odd registers can use (M). */
1839 return yyerror ("Dreg expected");
1841 if (IS_EVEN ($1) && $4.MM)
1842 return yyerror ("(M) not allowed with MAC0");
1844 if ($4.mod != 0 && $4.mod != M_FU && $4.mod != M_IS
1845 && $4.mod != M_S2RND && $4.mod != M_ISS2)
1846 return yyerror ("bad option");
1850 notethat ("dsp32mult: dregs = multiply_halfregs (opt_mode)\n");
1852 $$ = DSP32MULT (0, $4.MM, $4.mod, 1, 1,
1853 IS_H ($3.s0), IS_H ($3.s1), 0, 0,
1854 &$1, 0, &$3.s0, &$3.s1, 0);
1858 notethat ("dsp32mult: dregs = multiply_halfregs opt_mode\n");
1859 $$ = DSP32MULT (0, 0, $4.mod, 0, 1,
1860 0, 0, IS_H ($3.s0), IS_H ($3.s1),
1861 &$1, 0, &$3.s0, &$3.s1, 1);
1865 | HALF_REG ASSIGN multiply_halfregs opt_mode COMMA
1866 HALF_REG ASSIGN multiply_halfregs opt_mode
1868 if (!IS_DREG ($1) || !IS_DREG ($6))
1869 return yyerror ("Dregs expected");
1871 if (!IS_HCOMPL($1, $6))
1872 return yyerror ("Dest registers mismatch");
1874 if (check_multiply_halfregs (&$3, &$8) < 0)
1877 if ((!IS_H ($1) && $4.MM)
1878 || (!IS_H ($6) && $9.MM))
1879 return yyerror ("(M) not allowed with MAC0");
1881 notethat ("dsp32mult: dregs_hi = multiply_halfregs mxd_mod, "
1882 "dregs_lo = multiply_halfregs opt_mode\n");
1885 $$ = DSP32MULT (0, $4.MM, $9.mod, 1, 0,
1886 IS_H ($3.s0), IS_H ($3.s1), IS_H ($8.s0), IS_H ($8.s1),
1887 &$1, 0, &$3.s0, &$3.s1, 1);
1889 $$ = DSP32MULT (0, $9.MM, $9.mod, 1, 0,
1890 IS_H ($8.s0), IS_H ($8.s1), IS_H ($3.s0), IS_H ($3.s1),
1891 &$1, 0, &$3.s0, &$3.s1, 1);
1894 | REG ASSIGN multiply_halfregs opt_mode COMMA REG ASSIGN multiply_halfregs opt_mode
1896 if (!IS_DREG ($1) || !IS_DREG ($6))
1897 return yyerror ("Dregs expected");
1899 if ((IS_EVEN ($1) && $6.regno - $1.regno != 1)
1900 || (IS_EVEN ($6) && $1.regno - $6.regno != 1))
1901 return yyerror ("Dest registers mismatch");
1903 if (check_multiply_halfregs (&$3, &$8) < 0)
1906 if ((IS_EVEN ($1) && $4.MM)
1907 || (IS_EVEN ($6) && $9.MM))
1908 return yyerror ("(M) not allowed with MAC0");
1910 notethat ("dsp32mult: dregs = multiply_halfregs mxd_mod, "
1911 "dregs = multiply_halfregs opt_mode\n");
1914 $$ = DSP32MULT (0, $9.MM, $9.mod, 1, 1,
1915 IS_H ($8.s0), IS_H ($8.s1), IS_H ($3.s0), IS_H ($3.s1),
1916 &$1, 0, &$3.s0, &$3.s1, 1);
1918 $$ = DSP32MULT (0, $4.MM, $9.mod, 1, 1,
1919 IS_H ($3.s0), IS_H ($3.s1), IS_H ($8.s0), IS_H ($8.s1),
1920 &$1, 0, &$3.s0, &$3.s1, 1);
1925 | a_assign ASHIFT REG_A BY HALF_REG
1927 if (!REG_SAME ($1, $3))
1928 return yyerror ("Aregs must be same");
1930 if (IS_DREG ($5) && !IS_H ($5))
1932 notethat ("dsp32shift: A0 = ASHIFT A0 BY dregs_lo\n");
1933 $$ = DSP32SHIFT (3, 0, &$5, 0, 0, IS_A1 ($1));
1936 return yyerror ("Dregs expected");
1939 | HALF_REG ASSIGN ASHIFT HALF_REG BY HALF_REG smod
1941 if (IS_DREG ($6) && !IS_H ($6))
1943 notethat ("dsp32shift: dregs_half = ASHIFT dregs_half BY dregs_lo\n");
1944 $$ = DSP32SHIFT (0, &$1, &$6, &$4, $7.s0, HL2 ($1, $4));
1947 return yyerror ("Dregs expected");
1950 | a_assign REG_A LESS_LESS expr
1952 if (!REG_SAME ($1, $2))
1953 return yyerror ("Aregs must be same");
1955 if (IS_UIMM ($4, 5))
1957 notethat ("dsp32shiftimm: A0 = A0 << uimm5\n");
1958 $$ = DSP32SHIFTIMM (3, 0, imm5 ($4), 0, 0, IS_A1 ($1));
1961 return yyerror ("Bad shift value");
1964 | REG ASSIGN REG LESS_LESS expr vsmod
1966 if (IS_DREG ($1) && IS_DREG ($3) && IS_UIMM ($5, 5))
1971 notethat ("dsp32shiftimm: dregs = dregs << expr (V, .)\n");
1972 $$ = DSP32SHIFTIMM (1, &$1, imm4 ($5), &$3, $6.s0 ? 1 : 2, 0);
1976 notethat ("dsp32shiftimm: dregs = dregs << uimm5 (.)\n");
1977 $$ = DSP32SHIFTIMM (2, &$1, imm6 ($5), &$3, $6.s0 ? 1 : 2, 0);
1980 else if ($6.s0 == 0 && IS_PREG ($1) && IS_PREG ($3))
1982 if (EXPR_VALUE ($5) == 2)
1984 notethat ("PTR2op: pregs = pregs << 2\n");
1985 $$ = PTR2OP (&$1, &$3, 1);
1987 else if (EXPR_VALUE ($5) == 1)
1989 notethat ("COMP3op: pregs = pregs << 1\n");
1990 $$ = COMP3OP (&$1, &$3, &$3, 5);
1993 return yyerror ("Bad shift value");
1996 return yyerror ("Bad shift value or register");
1998 | HALF_REG ASSIGN HALF_REG LESS_LESS expr smod
2000 if (IS_UIMM ($5, 4))
2004 notethat ("dsp32shiftimm: dregs_half = dregs_half << uimm4 (S)\n");
2005 $$ = DSP32SHIFTIMM (0x0, &$1, imm5 ($5), &$3, $6.s0, HL2 ($1, $3));
2009 notethat ("dsp32shiftimm: dregs_half = dregs_half << uimm4\n");
2010 $$ = DSP32SHIFTIMM (0x0, &$1, imm5 ($5), &$3, 2, HL2 ($1, $3));
2014 return yyerror ("Bad shift value");
2016 | REG ASSIGN ASHIFT REG BY HALF_REG vsmod
2020 if (IS_DREG ($1) && IS_DREG ($4) && IS_DREG ($6) && !IS_H ($6))
2025 notethat ("dsp32shift: dregs = ASHIFT dregs BY "
2026 "dregs_lo (V, .)\n");
2032 notethat ("dsp32shift: dregs = ASHIFT dregs BY dregs_lo (.)\n");
2034 $$ = DSP32SHIFT (op, &$1, &$6, &$4, $7.s0, 0);
2037 return yyerror ("Dregs expected");
2041 | HALF_REG ASSIGN EXPADJ LPAREN REG COMMA HALF_REG RPAREN vmod
2043 if (IS_DREG_L ($1) && IS_DREG_L ($5) && IS_DREG_L ($7))
2045 notethat ("dsp32shift: dregs_lo = EXPADJ (dregs , dregs_lo )\n");
2046 $$ = DSP32SHIFT (7, &$1, &$7, &$5, $9.r0, 0);
2049 return yyerror ("Bad shift value or register");
2053 | HALF_REG ASSIGN EXPADJ LPAREN HALF_REG COMMA HALF_REG RPAREN
2055 if (IS_DREG_L ($1) && IS_DREG_L ($5) && IS_DREG_L ($7))
2057 notethat ("dsp32shift: dregs_lo = EXPADJ (dregs_lo, dregs_lo)\n");
2058 $$ = DSP32SHIFT (7, &$1, &$7, &$5, 2, 0);
2060 else if (IS_DREG_L ($1) && IS_DREG_H ($5) && IS_DREG_L ($7))
2062 notethat ("dsp32shift: dregs_lo = EXPADJ (dregs_hi, dregs_lo)\n");
2063 $$ = DSP32SHIFT (7, &$1, &$7, &$5, 3, 0);
2066 return yyerror ("Bad shift value or register");
2071 | REG ASSIGN DEPOSIT LPAREN REG COMMA REG RPAREN
2073 if (IS_DREG ($1) && IS_DREG ($5) && IS_DREG ($7))
2075 notethat ("dsp32shift: dregs = DEPOSIT (dregs , dregs )\n");
2076 $$ = DSP32SHIFT (10, &$1, &$7, &$5, 2, 0);
2079 return yyerror ("Register mismatch");
2082 | REG ASSIGN DEPOSIT LPAREN REG COMMA REG RPAREN LPAREN X RPAREN
2084 if (IS_DREG ($1) && IS_DREG ($5) && IS_DREG ($7))
2086 notethat ("dsp32shift: dregs = DEPOSIT (dregs , dregs ) (X)\n");
2087 $$ = DSP32SHIFT (10, &$1, &$7, &$5, 3, 0);
2090 return yyerror ("Register mismatch");
2093 | REG ASSIGN EXTRACT LPAREN REG COMMA HALF_REG RPAREN xpmod
2095 if (IS_DREG ($1) && IS_DREG ($5) && IS_DREG_L ($7))
2097 notethat ("dsp32shift: dregs = EXTRACT (dregs, dregs_lo ) (.)\n");
2098 $$ = DSP32SHIFT (10, &$1, &$7, &$5, $9.r0, 0);
2101 return yyerror ("Register mismatch");
2104 | a_assign REG_A _GREATER_GREATER_GREATER expr
2106 if (!REG_SAME ($1, $2))
2107 return yyerror ("Aregs must be same");
2109 if (IS_UIMM ($4, 5))
2111 notethat ("dsp32shiftimm: Ax = Ax >>> uimm5\n");
2112 $$ = DSP32SHIFTIMM (3, 0, -imm6 ($4), 0, 0, IS_A1 ($1));
2115 return yyerror ("Shift value range error");
2117 | a_assign LSHIFT REG_A BY HALF_REG
2119 if (REG_SAME ($1, $3) && IS_DREG_L ($5))
2121 notethat ("dsp32shift: Ax = LSHIFT Ax BY dregs_lo\n");
2122 $$ = DSP32SHIFT (3, 0, &$5, 0, 1, IS_A1 ($1));
2125 return yyerror ("Register mismatch");
2128 | HALF_REG ASSIGN LSHIFT HALF_REG BY HALF_REG
2130 if (IS_DREG ($1) && IS_DREG ($4) && IS_DREG_L ($6))
2132 notethat ("dsp32shift: dregs_lo = LSHIFT dregs_hi BY dregs_lo\n");
2133 $$ = DSP32SHIFT (0, &$1, &$6, &$4, 2, HL2 ($1, $4));
2136 return yyerror ("Register mismatch");
2139 | REG ASSIGN LSHIFT REG BY HALF_REG vmod
2141 if (IS_DREG ($1) && IS_DREG ($4) && IS_DREG_L ($6))
2143 notethat ("dsp32shift: dregs = LSHIFT dregs BY dregs_lo (V )\n");
2144 $$ = DSP32SHIFT ($7.r0 ? 1: 2, &$1, &$6, &$4, 2, 0);
2147 return yyerror ("Register mismatch");
2150 | REG ASSIGN SHIFT REG BY HALF_REG
2152 if (IS_DREG ($1) && IS_DREG ($4) && IS_DREG_L ($6))
2154 notethat ("dsp32shift: dregs = SHIFT dregs BY dregs_lo\n");
2155 $$ = DSP32SHIFT (2, &$1, &$6, &$4, 2, 0);
2158 return yyerror ("Register mismatch");
2161 | a_assign REG_A GREATER_GREATER expr
2163 if (REG_SAME ($1, $2) && IS_IMM ($4, 6) >= 0)
2165 notethat ("dsp32shiftimm: Ax = Ax >> imm6\n");
2166 $$ = DSP32SHIFTIMM (3, 0, -imm6 ($4), 0, 1, IS_A1 ($1));
2169 return yyerror ("Accu register expected");
2172 | REG ASSIGN REG GREATER_GREATER expr vmod
2176 if (IS_DREG ($1) && IS_DREG ($3) && IS_UIMM ($5, 5))
2178 notethat ("dsp32shiftimm: dregs = dregs >> uimm5 (V)\n");
2179 $$ = DSP32SHIFTIMM (1, &$1, -uimm5 ($5), &$3, 2, 0);
2182 return yyerror ("Register mismatch");
2186 if (IS_DREG ($1) && IS_DREG ($3) && IS_UIMM ($5, 5))
2188 notethat ("dsp32shiftimm: dregs = dregs >> uimm5\n");
2189 $$ = DSP32SHIFTIMM (2, &$1, -imm6 ($5), &$3, 2, 0);
2191 else if (IS_PREG ($1) && IS_PREG ($3) && EXPR_VALUE ($5) == 2)
2193 notethat ("PTR2op: pregs = pregs >> 2\n");
2194 $$ = PTR2OP (&$1, &$3, 3);
2196 else if (IS_PREG ($1) && IS_PREG ($3) && EXPR_VALUE ($5) == 1)
2198 notethat ("PTR2op: pregs = pregs >> 1\n");
2199 $$ = PTR2OP (&$1, &$3, 4);
2202 return yyerror ("Register mismatch");
2205 | HALF_REG ASSIGN HALF_REG GREATER_GREATER expr
2207 if (IS_UIMM ($5, 5))
2209 notethat ("dsp32shiftimm: dregs_half = dregs_half >> uimm5\n");
2210 $$ = DSP32SHIFTIMM (0, &$1, -uimm5 ($5), &$3, 2, HL2 ($1, $3));
2213 return yyerror ("Register mismatch");
2215 | HALF_REG ASSIGN HALF_REG _GREATER_GREATER_GREATER expr smod
2217 if (IS_UIMM ($5, 5))
2219 notethat ("dsp32shiftimm: dregs_half = dregs_half >>> uimm5\n");
2220 $$ = DSP32SHIFTIMM (0, &$1, -uimm5 ($5), &$3,
2221 $6.s0, HL2 ($1, $3));
2224 return yyerror ("Register or modifier mismatch");
2228 | REG ASSIGN REG _GREATER_GREATER_GREATER expr vsmod
2230 if (IS_DREG ($1) && IS_DREG ($3) && IS_UIMM ($5, 5))
2235 notethat ("dsp32shiftimm: dregs = dregs >>> uimm5 (V, .)\n");
2236 $$ = DSP32SHIFTIMM (1, &$1, -uimm5 ($5), &$3, $6.s0, 0);
2240 notethat ("dsp32shiftimm: dregs = dregs >>> uimm5 (.)\n");
2241 $$ = DSP32SHIFTIMM (2, &$1, -uimm5 ($5), &$3, $6.s0, 0);
2245 return yyerror ("Register mismatch");
2248 | HALF_REG ASSIGN ONES REG
2250 if (IS_DREG_L ($1) && IS_DREG ($4))
2252 notethat ("dsp32shift: dregs_lo = ONES dregs\n");
2253 $$ = DSP32SHIFT (6, &$1, 0, &$4, 3, 0);
2256 return yyerror ("Register mismatch");
2259 | REG ASSIGN PACK LPAREN HALF_REG COMMA HALF_REG RPAREN
2261 if (IS_DREG ($1) && IS_DREG ($5) && IS_DREG ($7))
2263 notethat ("dsp32shift: dregs = PACK (dregs_hi , dregs_hi )\n");
2264 $$ = DSP32SHIFT (4, &$1, &$7, &$5, HL2 ($5, $7), 0);
2267 return yyerror ("Register mismatch");
2270 | HALF_REG ASSIGN CCREG ASSIGN BXORSHIFT LPAREN REG_A COMMA REG RPAREN
2273 && $7.regno == REG_A0
2274 && IS_DREG ($9) && !IS_H ($1) && !IS_A1 ($7))
2276 notethat ("dsp32shift: dregs_lo = CC = BXORSHIFT (A0 , dregs )\n");
2277 $$ = DSP32SHIFT (11, &$1, &$9, 0, 0, 0);
2280 return yyerror ("Register mismatch");
2283 | HALF_REG ASSIGN CCREG ASSIGN BXOR LPAREN REG_A COMMA REG RPAREN
2286 && $7.regno == REG_A0
2287 && IS_DREG ($9) && !IS_H ($1) && !IS_A1 ($7))
2289 notethat ("dsp32shift: dregs_lo = CC = BXOR (A0 , dregs)\n");
2290 $$ = DSP32SHIFT (11, &$1, &$9, 0, 1, 0);
2293 return yyerror ("Register mismatch");
2296 | HALF_REG ASSIGN CCREG ASSIGN BXOR LPAREN REG_A COMMA REG_A COMMA CCREG RPAREN
2298 if (IS_DREG ($1) && !IS_H ($1) && !REG_SAME ($7, $9))
2300 notethat ("dsp32shift: dregs_lo = CC = BXOR (A0 , A1 , CC)\n");
2301 $$ = DSP32SHIFT (12, &$1, 0, 0, 1, 0);
2304 return yyerror ("Register mismatch");
2307 | a_assign ROT REG_A BY HALF_REG
2309 if (REG_SAME ($1, $3) && IS_DREG_L ($5))
2311 notethat ("dsp32shift: Ax = ROT Ax BY dregs_lo\n");
2312 $$ = DSP32SHIFT (3, 0, &$5, 0, 2, IS_A1 ($1));
2315 return yyerror ("Register mismatch");
2318 | REG ASSIGN ROT REG BY HALF_REG
2320 if (IS_DREG ($1) && IS_DREG ($4) && IS_DREG_L ($6))
2322 notethat ("dsp32shift: dregs = ROT dregs BY dregs_lo\n");
2323 $$ = DSP32SHIFT (2, &$1, &$6, &$4, 3, 0);
2326 return yyerror ("Register mismatch");
2329 | a_assign ROT REG_A BY expr
2333 notethat ("dsp32shiftimm: An = ROT An BY imm6\n");
2334 $$ = DSP32SHIFTIMM (3, 0, imm6 ($5), 0, 2, IS_A1 ($1));
2337 return yyerror ("Register mismatch");
2340 | REG ASSIGN ROT REG BY expr
2342 if (IS_DREG ($1) && IS_DREG ($4) && IS_IMM ($6, 6))
2344 $$ = DSP32SHIFTIMM (2, &$1, imm6 ($6), &$4, 3, IS_A1 ($1));
2347 return yyerror ("Register mismatch");
2350 | HALF_REG ASSIGN SIGNBITS REG_A
2354 notethat ("dsp32shift: dregs_lo = SIGNBITS An\n");
2355 $$ = DSP32SHIFT (6, &$1, 0, 0, IS_A1 ($4), 0);
2358 return yyerror ("Register mismatch");
2361 | HALF_REG ASSIGN SIGNBITS REG
2363 if (IS_DREG_L ($1) && IS_DREG ($4))
2365 notethat ("dsp32shift: dregs_lo = SIGNBITS dregs\n");
2366 $$ = DSP32SHIFT (5, &$1, 0, &$4, 0, 0);
2369 return yyerror ("Register mismatch");
2372 | HALF_REG ASSIGN SIGNBITS HALF_REG
2376 notethat ("dsp32shift: dregs_lo = SIGNBITS dregs_lo\n");
2377 $$ = DSP32SHIFT (5, &$1, 0, &$4, 1 + IS_H ($4), 0);
2380 return yyerror ("Register mismatch");
2383 /* The ASR bit is just inverted here. */
2384 | HALF_REG ASSIGN VIT_MAX LPAREN REG RPAREN asr_asl
2386 if (IS_DREG_L ($1) && IS_DREG ($5))
2388 notethat ("dsp32shift: dregs_lo = VIT_MAX (dregs) (..)\n");
2389 $$ = DSP32SHIFT (9, &$1, 0, &$5, ($7.r0 ? 0 : 1), 0);
2392 return yyerror ("Register mismatch");
2395 | REG ASSIGN VIT_MAX LPAREN REG COMMA REG RPAREN asr_asl
2397 if (IS_DREG ($1) && IS_DREG ($5) && IS_DREG ($7))
2399 notethat ("dsp32shift: dregs = VIT_MAX (dregs, dregs) (ASR)\n");
2400 $$ = DSP32SHIFT (9, &$1, &$7, &$5, 2 | ($9.r0 ? 0 : 1), 0);
2403 return yyerror ("Register mismatch");
2406 | BITMUX LPAREN REG COMMA REG COMMA REG_A RPAREN asr_asl
2408 if (REG_SAME ($3, $5))
2409 return yyerror ("Illegal source register combination");
2411 if (IS_DREG ($3) && IS_DREG ($5) && !IS_A1 ($7))
2413 notethat ("dsp32shift: BITMUX (dregs , dregs , A0) (ASR)\n");
2414 $$ = DSP32SHIFT (8, 0, &$3, &$5, $9.r0, 0);
2417 return yyerror ("Register mismatch");
2420 | a_assign BXORSHIFT LPAREN REG_A COMMA REG_A COMMA CCREG RPAREN
2422 if (!IS_A1 ($1) && !IS_A1 ($4) && IS_A1 ($6))
2424 notethat ("dsp32shift: A0 = BXORSHIFT (A0 , A1 , CC )\n");
2425 $$ = DSP32SHIFT (12, 0, 0, 0, 0, 0);
2428 return yyerror ("Dregs expected");
2432 /* LOGI2op: BITCLR (dregs, uimm5). */
2433 | BITCLR LPAREN REG COMMA expr RPAREN
2435 if (IS_DREG ($3) && IS_UIMM ($5, 5))
2437 notethat ("LOGI2op: BITCLR (dregs , uimm5 )\n");
2438 $$ = LOGI2OP ($3, uimm5 ($5), 4);
2441 return yyerror ("Register mismatch");
2444 /* LOGI2op: BITSET (dregs, uimm5). */
2445 | BITSET LPAREN REG COMMA expr RPAREN
2447 if (IS_DREG ($3) && IS_UIMM ($5, 5))
2449 notethat ("LOGI2op: BITCLR (dregs , uimm5 )\n");
2450 $$ = LOGI2OP ($3, uimm5 ($5), 2);
2453 return yyerror ("Register mismatch");
2456 /* LOGI2op: BITTGL (dregs, uimm5). */
2457 | BITTGL LPAREN REG COMMA expr RPAREN
2459 if (IS_DREG ($3) && IS_UIMM ($5, 5))
2461 notethat ("LOGI2op: BITCLR (dregs , uimm5 )\n");
2462 $$ = LOGI2OP ($3, uimm5 ($5), 3);
2465 return yyerror ("Register mismatch");
2468 | CCREG _ASSIGN_BANG BITTST LPAREN REG COMMA expr RPAREN
2470 if (IS_DREG ($5) && IS_UIMM ($7, 5))
2472 notethat ("LOGI2op: CC =! BITTST (dregs , uimm5 )\n");
2473 $$ = LOGI2OP ($5, uimm5 ($7), 0);
2476 return yyerror ("Register mismatch or value error");
2479 | CCREG ASSIGN BITTST LPAREN REG COMMA expr RPAREN
2481 if (IS_DREG ($5) && IS_UIMM ($7, 5))
2483 notethat ("LOGI2op: CC = BITTST (dregs , uimm5 )\n");
2484 $$ = LOGI2OP ($5, uimm5 ($7), 1);
2487 return yyerror ("Register mismatch or value error");
2490 | IF BANG CCREG REG ASSIGN REG
2492 if ((IS_DREG ($4) || IS_PREG ($4))
2493 && (IS_DREG ($6) || IS_PREG ($6)))
2495 notethat ("ccMV: IF ! CC gregs = gregs\n");
2496 $$ = CCMV (&$6, &$4, 0);
2499 return yyerror ("Register mismatch");
2502 | IF CCREG REG ASSIGN REG
2504 if ((IS_DREG ($5) || IS_PREG ($5))
2505 && (IS_DREG ($3) || IS_PREG ($3)))
2507 notethat ("ccMV: IF CC gregs = gregs\n");
2508 $$ = CCMV (&$5, &$3, 1);
2511 return yyerror ("Register mismatch");
2514 | IF BANG CCREG JUMP expr
2516 if (IS_PCREL10 ($5))
2518 notethat ("BRCC: IF !CC JUMP pcrel11m2\n");
2519 $$ = BRCC (0, 0, $5);
2522 return yyerror ("Bad jump offset");
2525 | IF BANG CCREG JUMP expr LPAREN BP RPAREN
2527 if (IS_PCREL10 ($5))
2529 notethat ("BRCC: IF !CC JUMP pcrel11m2\n");
2530 $$ = BRCC (0, 1, $5);
2533 return yyerror ("Bad jump offset");
2536 | IF CCREG JUMP expr
2538 if (IS_PCREL10 ($4))
2540 notethat ("BRCC: IF CC JUMP pcrel11m2\n");
2541 $$ = BRCC (1, 0, $4);
2544 return yyerror ("Bad jump offset");
2547 | IF CCREG JUMP expr LPAREN BP RPAREN
2549 if (IS_PCREL10 ($4))
2551 notethat ("BRCC: IF !CC JUMP pcrel11m2\n");
2552 $$ = BRCC (1, 1, $4);
2555 return yyerror ("Bad jump offset");
2559 notethat ("ProgCtrl: NOP\n");
2560 $$ = PROGCTRL (0, 0);
2565 notethat ("ProgCtrl: RTS\n");
2566 $$ = PROGCTRL (1, 0);
2571 notethat ("ProgCtrl: RTI\n");
2572 $$ = PROGCTRL (1, 1);
2577 notethat ("ProgCtrl: RTX\n");
2578 $$ = PROGCTRL (1, 2);
2583 notethat ("ProgCtrl: RTN\n");
2584 $$ = PROGCTRL (1, 3);
2589 notethat ("ProgCtrl: RTE\n");
2590 $$ = PROGCTRL (1, 4);
2595 notethat ("ProgCtrl: IDLE\n");
2596 $$ = PROGCTRL (2, 0);
2601 notethat ("ProgCtrl: CSYNC\n");
2602 $$ = PROGCTRL (2, 3);
2607 notethat ("ProgCtrl: SSYNC\n");
2608 $$ = PROGCTRL (2, 4);
2613 notethat ("ProgCtrl: EMUEXCPT\n");
2614 $$ = PROGCTRL (2, 5);
2621 notethat ("ProgCtrl: CLI dregs\n");
2622 $$ = PROGCTRL (3, $2.regno & CODE_MASK);
2625 return yyerror ("Dreg expected for CLI");
2632 notethat ("ProgCtrl: STI dregs\n");
2633 $$ = PROGCTRL (4, $2.regno & CODE_MASK);
2636 return yyerror ("Dreg expected for STI");
2639 | JUMP LPAREN REG RPAREN
2643 notethat ("ProgCtrl: JUMP (pregs )\n");
2644 $$ = PROGCTRL (5, $3.regno & CODE_MASK);
2647 return yyerror ("Bad register for indirect jump");
2650 | CALL LPAREN REG RPAREN
2654 notethat ("ProgCtrl: CALL (pregs )\n");
2655 $$ = PROGCTRL (6, $3.regno & CODE_MASK);
2658 return yyerror ("Bad register for indirect call");
2661 | CALL LPAREN PC PLUS REG RPAREN
2665 notethat ("ProgCtrl: CALL (PC + pregs )\n");
2666 $$ = PROGCTRL (7, $5.regno & CODE_MASK);
2669 return yyerror ("Bad register for indirect call");
2672 | JUMP LPAREN PC PLUS REG RPAREN
2676 notethat ("ProgCtrl: JUMP (PC + pregs )\n");
2677 $$ = PROGCTRL (8, $5.regno & CODE_MASK);
2680 return yyerror ("Bad register for indirect jump");
2685 if (IS_UIMM ($2, 4))
2687 notethat ("ProgCtrl: RAISE uimm4\n");
2688 $$ = PROGCTRL (9, uimm4 ($2));
2691 return yyerror ("Bad value for RAISE");
2696 notethat ("ProgCtrl: EMUEXCPT\n");
2697 $$ = PROGCTRL (10, uimm4 ($2));
2700 | TESTSET LPAREN REG RPAREN
2704 if ($3.regno == REG_SP || $3.regno == REG_FP)
2705 return yyerror ("Bad register for TESTSET");
2707 notethat ("ProgCtrl: TESTSET (pregs )\n");
2708 $$ = PROGCTRL (11, $3.regno & CODE_MASK);
2711 return yyerror ("Preg expected");
2716 if (IS_PCREL12 ($2))
2718 notethat ("UJUMP: JUMP pcrel12\n");
2722 return yyerror ("Bad value for relative jump");
2727 if (IS_PCREL12 ($2))
2729 notethat ("UJUMP: JUMP_DOT_S pcrel12\n");
2733 return yyerror ("Bad value for relative jump");
2738 if (IS_PCREL24 ($2))
2740 notethat ("CALLa: jump.l pcrel24\n");
2744 return yyerror ("Bad value for long jump");
2749 if (IS_PCREL24 ($2))
2751 notethat ("CALLa: jump.l pcrel24\n");
2755 return yyerror ("Bad value for long jump");
2760 if (IS_PCREL24 ($2))
2762 notethat ("CALLa: CALL pcrel25m2\n");
2766 return yyerror ("Bad call address");
2770 if (IS_PCREL24 ($2))
2772 notethat ("CALLa: CALL pcrel25m2\n");
2776 return yyerror ("Bad call address");
2780 /* ALU2op: DIVQ (dregs, dregs). */
2781 | DIVQ LPAREN REG COMMA REG RPAREN
2783 if (IS_DREG ($3) && IS_DREG ($5))
2784 $$ = ALU2OP (&$3, &$5, 8);
2786 return yyerror ("Bad registers for DIVQ");
2789 | DIVS LPAREN REG COMMA REG RPAREN
2791 if (IS_DREG ($3) && IS_DREG ($5))
2792 $$ = ALU2OP (&$3, &$5, 9);
2794 return yyerror ("Bad registers for DIVS");
2797 | REG ASSIGN MINUS REG vsmod
2799 if (IS_DREG ($1) && IS_DREG ($4))
2801 if ($5.r0 == 0 && $5.s0 == 0 && $5.aop == 0)
2803 notethat ("ALU2op: dregs = - dregs\n");
2804 $$ = ALU2OP (&$1, &$4, 14);
2806 else if ($5.r0 == 1 && $5.s0 == 0 && $5.aop == 3)
2808 notethat ("dsp32alu: dregs = - dregs (.)\n");
2809 $$ = DSP32ALU (15, 0, 0, &$1, &$4, 0, $5.s0, 0, 3);
2813 notethat ("dsp32alu: dregs = - dregs (.)\n");
2814 $$ = DSP32ALU (7, 0, 0, &$1, &$4, 0, $5.s0, 0, 3);
2818 return yyerror ("Dregs expected");
2821 | REG ASSIGN TILDA REG
2823 if (IS_DREG ($1) && IS_DREG ($4))
2825 notethat ("ALU2op: dregs = ~dregs\n");
2826 $$ = ALU2OP (&$1, &$4, 15);
2829 return yyerror ("Dregs expected");
2832 | REG _GREATER_GREATER_ASSIGN REG
2834 if (IS_DREG ($1) && IS_DREG ($3))
2836 notethat ("ALU2op: dregs >>= dregs\n");
2837 $$ = ALU2OP (&$1, &$3, 1);
2840 return yyerror ("Dregs expected");
2843 | REG _GREATER_GREATER_ASSIGN expr
2845 if (IS_DREG ($1) && IS_UIMM ($3, 5))
2847 notethat ("LOGI2op: dregs >>= uimm5\n");
2848 $$ = LOGI2OP ($1, uimm5 ($3), 6);
2851 return yyerror ("Dregs expected or value error");
2854 | REG _GREATER_GREATER_GREATER_THAN_ASSIGN REG
2856 if (IS_DREG ($1) && IS_DREG ($3))
2858 notethat ("ALU2op: dregs >>>= dregs\n");
2859 $$ = ALU2OP (&$1, &$3, 0);
2862 return yyerror ("Dregs expected");
2865 | REG _LESS_LESS_ASSIGN REG
2867 if (IS_DREG ($1) && IS_DREG ($3))
2869 notethat ("ALU2op: dregs <<= dregs\n");
2870 $$ = ALU2OP (&$1, &$3, 2);
2873 return yyerror ("Dregs expected");
2876 | REG _LESS_LESS_ASSIGN expr
2878 if (IS_DREG ($1) && IS_UIMM ($3, 5))
2880 notethat ("LOGI2op: dregs <<= uimm5\n");
2881 $$ = LOGI2OP ($1, uimm5 ($3), 7);
2884 return yyerror ("Dregs expected or const value error");
2888 | REG _GREATER_GREATER_GREATER_THAN_ASSIGN expr
2890 if (IS_DREG ($1) && IS_UIMM ($3, 5))
2892 notethat ("LOGI2op: dregs >>>= uimm5\n");
2893 $$ = LOGI2OP ($1, uimm5 ($3), 5);
2896 return yyerror ("Dregs expected");
2899 /* Cache Control. */
2901 | FLUSH LBRACK REG RBRACK
2903 notethat ("CaCTRL: FLUSH [ pregs ]\n");
2905 $$ = CACTRL (&$3, 0, 2);
2907 return yyerror ("Bad register(s) for FLUSH");
2910 | FLUSH reg_with_postinc
2914 notethat ("CaCTRL: FLUSH [ pregs ++ ]\n");
2915 $$ = CACTRL (&$2, 1, 2);
2918 return yyerror ("Bad register(s) for FLUSH");
2921 | FLUSHINV LBRACK REG RBRACK
2925 notethat ("CaCTRL: FLUSHINV [ pregs ]\n");
2926 $$ = CACTRL (&$3, 0, 1);
2929 return yyerror ("Bad register(s) for FLUSH");
2932 | FLUSHINV reg_with_postinc
2936 notethat ("CaCTRL: FLUSHINV [ pregs ++ ]\n");
2937 $$ = CACTRL (&$2, 1, 1);
2940 return yyerror ("Bad register(s) for FLUSH");
2943 /* CaCTRL: IFLUSH [pregs]. */
2944 | IFLUSH LBRACK REG RBRACK
2948 notethat ("CaCTRL: IFLUSH [ pregs ]\n");
2949 $$ = CACTRL (&$3, 0, 3);
2952 return yyerror ("Bad register(s) for FLUSH");
2955 | IFLUSH reg_with_postinc
2959 notethat ("CaCTRL: IFLUSH [ pregs ++ ]\n");
2960 $$ = CACTRL (&$2, 1, 3);
2963 return yyerror ("Bad register(s) for FLUSH");
2966 | PREFETCH LBRACK REG RBRACK
2970 notethat ("CaCTRL: PREFETCH [ pregs ]\n");
2971 $$ = CACTRL (&$3, 0, 0);
2974 return yyerror ("Bad register(s) for PREFETCH");
2977 | PREFETCH reg_with_postinc
2981 notethat ("CaCTRL: PREFETCH [ pregs ++ ]\n");
2982 $$ = CACTRL (&$2, 1, 0);
2985 return yyerror ("Bad register(s) for PREFETCH");
2989 /* LDST: B [ pregs <post_op> ] = dregs. */
2991 | B LBRACK REG post_op RBRACK ASSIGN REG
2994 return yyerror ("Dreg expected for source operand");
2996 return yyerror ("Preg expected in address");
2998 notethat ("LDST: B [ pregs <post_op> ] = dregs\n");
2999 $$ = LDST (&$3, &$7, $4.x0, 2, 0, 1);
3002 /* LDSTidxI: B [ pregs + imm16 ] = dregs. */
3003 | B LBRACK REG plus_minus expr RBRACK ASSIGN REG
3005 Expr_Node *tmp = $5;
3008 return yyerror ("Dreg expected for source operand");
3010 return yyerror ("Preg expected in address");
3013 return yyerror ("Plain symbol used as offset");
3016 tmp = unary (Expr_Op_Type_NEG, tmp);
3018 if (in_range_p (tmp, -32768, 32767, 0))
3020 notethat ("LDST: B [ pregs + imm16 ] = dregs\n");
3021 $$ = LDSTIDXI (&$3, &$8, 1, 2, 0, $5);
3024 return yyerror ("Displacement out of range");
3028 /* LDSTii: W [ pregs + uimm4s2 ] = dregs. */
3029 | W LBRACK REG plus_minus expr RBRACK ASSIGN REG
3031 Expr_Node *tmp = $5;
3034 return yyerror ("Dreg expected for source operand");
3036 return yyerror ("Preg expected in address");
3039 tmp = unary (Expr_Op_Type_NEG, tmp);
3042 return yyerror ("Plain symbol used as offset");
3044 if (in_range_p (tmp, 0, 30, 1))
3046 notethat ("LDSTii: W [ pregs +- uimm5m2 ] = dregs\n");
3047 $$ = LDSTII (&$3, &$8, tmp, 1, 1);
3049 else if (in_range_p (tmp, -65536, 65535, 1))
3051 notethat ("LDSTidxI: W [ pregs + imm17m2 ] = dregs\n");
3052 $$ = LDSTIDXI (&$3, &$8, 1, 1, 0, tmp);
3055 return yyerror ("Displacement out of range");
3058 /* LDST: W [ pregs <post_op> ] = dregs. */
3059 | W LBRACK REG post_op RBRACK ASSIGN REG
3062 return yyerror ("Dreg expected for source operand");
3064 return yyerror ("Preg expected in address");
3066 notethat ("LDST: W [ pregs <post_op> ] = dregs\n");
3067 $$ = LDST (&$3, &$7, $4.x0, 1, 0, 1);
3070 | W LBRACK REG post_op RBRACK ASSIGN HALF_REG
3073 return yyerror ("Dreg expected for source operand");
3076 if (!IS_IREG ($3) && !IS_PREG ($3))
3077 return yyerror ("Ireg or Preg expected in address");
3079 else if (!IS_IREG ($3))
3080 return yyerror ("Ireg expected in address");
3084 notethat ("dspLDST: W [ iregs <post_op> ] = dregs_half\n");
3085 $$ = DSPLDST (&$3, 1 + IS_H ($7), &$7, $4.x0, 1);
3089 notethat ("LDSTpmod: W [ pregs ] = dregs_half\n");
3090 $$ = LDSTPMOD (&$3, &$7, &$3, 1 + IS_H ($7), 1);
3094 /* LDSTiiFP: [ FP - const ] = dpregs. */
3095 | LBRACK REG plus_minus expr RBRACK ASSIGN REG
3097 Expr_Node *tmp = $4;
3098 int ispreg = IS_PREG ($7);
3101 return yyerror ("Preg expected in address");
3103 if (!IS_DREG ($7) && !ispreg)
3104 return yyerror ("Preg expected for source operand");
3107 tmp = unary (Expr_Op_Type_NEG, tmp);
3110 return yyerror ("Plain symbol used as offset");
3112 if (in_range_p (tmp, 0, 63, 3))
3114 notethat ("LDSTii: dpregs = [ pregs + uimm6m4 ]\n");
3115 $$ = LDSTII (&$2, &$7, tmp, 1, ispreg ? 3 : 0);
3117 else if ($2.regno == REG_FP && in_range_p (tmp, -128, 0, 3))
3119 notethat ("LDSTiiFP: dpregs = [ FP - uimm7m4 ]\n");
3120 tmp = unary (Expr_Op_Type_NEG, tmp);
3121 $$ = LDSTIIFP (tmp, &$7, 1);
3123 else if (in_range_p (tmp, -131072, 131071, 3))
3125 notethat ("LDSTidxI: [ pregs + imm18m4 ] = dpregs\n");
3126 $$ = LDSTIDXI (&$2, &$7, 1, 0, ispreg ? 1 : 0, tmp);
3129 return yyerror ("Displacement out of range");
3132 | REG ASSIGN W LBRACK REG plus_minus expr RBRACK xpmod
3134 Expr_Node *tmp = $7;
3136 return yyerror ("Dreg expected for destination operand");
3138 return yyerror ("Preg expected in address");
3141 tmp = unary (Expr_Op_Type_NEG, tmp);
3144 return yyerror ("Plain symbol used as offset");
3146 if (in_range_p (tmp, 0, 30, 1))
3148 notethat ("LDSTii: dregs = W [ pregs + uimm5m2 ] (.)\n");
3149 $$ = LDSTII (&$5, &$1, tmp, 0, 1 << $9.r0);
3151 else if (in_range_p (tmp, -65536, 65535, 1))
3153 notethat ("LDSTidxI: dregs = W [ pregs + imm17m2 ] (.)\n");
3154 $$ = LDSTIDXI (&$5, &$1, 0, 1, $9.r0, tmp);
3157 return yyerror ("Displacement out of range");
3160 | HALF_REG ASSIGN W LBRACK REG post_op RBRACK
3163 return yyerror ("Dreg expected for source operand");
3166 if (!IS_IREG ($5) && !IS_PREG ($5))
3167 return yyerror ("Ireg or Preg expected in address");
3169 else if (!IS_IREG ($5))
3170 return yyerror ("Ireg expected in address");
3174 notethat ("dspLDST: dregs_half = W [ iregs <post_op> ]\n");
3175 $$ = DSPLDST(&$5, 1 + IS_H ($1), &$1, $6.x0, 0);
3179 notethat ("LDSTpmod: dregs_half = W [ pregs <post_op> ]\n");
3180 $$ = LDSTPMOD (&$5, &$1, &$5, 1 + IS_H ($1), 0);
3185 | REG ASSIGN W LBRACK REG post_op RBRACK xpmod
3188 return yyerror ("Dreg expected for destination operand");
3190 return yyerror ("Preg expected in address");
3192 notethat ("LDST: dregs = W [ pregs <post_op> ] (.)\n");
3193 $$ = LDST (&$5, &$1, $6.x0, 1, $8.r0, 0);
3196 | REG ASSIGN W LBRACK REG _PLUS_PLUS REG RBRACK xpmod
3199 return yyerror ("Dreg expected for destination operand");
3200 if (!IS_PREG ($5) || !IS_PREG ($7))
3201 return yyerror ("Preg expected in address");
3203 notethat ("LDSTpmod: dregs = W [ pregs ++ pregs ] (.)\n");
3204 $$ = LDSTPMOD (&$5, &$1, &$7, 3, $9.r0);
3207 | HALF_REG ASSIGN W LBRACK REG _PLUS_PLUS REG RBRACK
3210 return yyerror ("Dreg expected for destination operand");
3211 if (!IS_PREG ($5) || !IS_PREG ($7))
3212 return yyerror ("Preg expected in address");
3214 notethat ("LDSTpmod: dregs_half = W [ pregs ++ pregs ]\n");
3215 $$ = LDSTPMOD (&$5, &$1, &$7, 1 + IS_H ($1), 0);
3218 | LBRACK REG post_op RBRACK ASSIGN REG
3220 if (!IS_IREG ($2) && !IS_PREG ($2))
3221 return yyerror ("Ireg or Preg expected in address");
3222 else if (IS_IREG ($2) && !IS_DREG ($6))
3223 return yyerror ("Dreg expected for source operand");
3224 else if (IS_PREG ($2) && !IS_DREG ($6) && !IS_PREG ($6))
3225 return yyerror ("Dreg or Preg expected for source operand");
3229 notethat ("dspLDST: [ iregs <post_op> ] = dregs\n");
3230 $$ = DSPLDST(&$2, 0, &$6, $3.x0, 1);
3232 else if (IS_DREG ($6))
3234 notethat ("LDST: [ pregs <post_op> ] = dregs\n");
3235 $$ = LDST (&$2, &$6, $3.x0, 0, 0, 1);
3239 notethat ("LDST: [ pregs <post_op> ] = pregs\n");
3240 $$ = LDST (&$2, &$6, $3.x0, 0, 1, 1);
3244 | LBRACK REG _PLUS_PLUS REG RBRACK ASSIGN REG
3247 return yyerror ("Dreg expected for source operand");
3249 if (IS_IREG ($2) && IS_MREG ($4))
3251 notethat ("dspLDST: [ iregs ++ mregs ] = dregs\n");
3252 $$ = DSPLDST(&$2, $4.regno & CODE_MASK, &$7, 3, 1);
3254 else if (IS_PREG ($2) && IS_PREG ($4))
3256 notethat ("LDSTpmod: [ pregs ++ pregs ] = dregs\n");
3257 $$ = LDSTPMOD (&$2, &$7, &$4, 0, 1);
3260 return yyerror ("Preg ++ Preg or Ireg ++ Mreg expected in address");
3263 | W LBRACK REG _PLUS_PLUS REG RBRACK ASSIGN HALF_REG
3266 return yyerror ("Dreg expected for source operand");
3268 if (IS_PREG ($3) && IS_PREG ($5))
3270 notethat ("LDSTpmod: W [ pregs ++ pregs ] = dregs_half\n");
3271 $$ = LDSTPMOD (&$3, &$8, &$5, 1 + IS_H ($8), 1);
3274 return yyerror ("Preg ++ Preg expected in address");
3277 | REG ASSIGN B LBRACK REG plus_minus expr RBRACK xpmod
3279 Expr_Node *tmp = $7;
3281 return yyerror ("Dreg expected for destination operand");
3283 return yyerror ("Preg expected in address");
3286 tmp = unary (Expr_Op_Type_NEG, tmp);
3289 return yyerror ("Plain symbol used as offset");
3291 if (in_range_p (tmp, -32768, 32767, 0))
3293 notethat ("LDSTidxI: dregs = B [ pregs + imm16 ] (%c)\n",
3295 $$ = LDSTIDXI (&$5, &$1, 0, 2, $9.r0, tmp);
3298 return yyerror ("Displacement out of range");
3301 | REG ASSIGN B LBRACK REG post_op RBRACK xpmod
3304 return yyerror ("Dreg expected for destination operand");
3306 return yyerror ("Preg expected in address");
3308 notethat ("LDST: dregs = B [ pregs <post_op> ] (%c)\n",
3310 $$ = LDST (&$5, &$1, $6.x0, 2, $8.r0, 0);
3313 | REG ASSIGN LBRACK REG _PLUS_PLUS REG RBRACK
3316 return yyerror ("Dreg expected for destination operand");
3318 if (IS_IREG ($4) && IS_MREG ($6))
3320 notethat ("dspLDST: dregs = [ iregs ++ mregs ]\n");
3321 $$ = DSPLDST(&$4, $6.regno & CODE_MASK, &$1, 3, 0);
3323 else if (IS_PREG ($4) && IS_PREG ($6))
3325 notethat ("LDSTpmod: dregs = [ pregs ++ pregs ]\n");
3326 $$ = LDSTPMOD (&$4, &$1, &$6, 0, 0);
3329 return yyerror ("Preg ++ Preg or Ireg ++ Mreg expected in address");
3332 | REG ASSIGN LBRACK REG plus_minus got_or_expr RBRACK
3334 Expr_Node *tmp = $6;
3335 int ispreg = IS_PREG ($1);
3336 int isgot = IS_RELOC($6);
3339 return yyerror ("Preg expected in address");
3341 if (!IS_DREG ($1) && !ispreg)
3342 return yyerror ("Dreg or Preg expected for destination operand");
3344 if (tmp->type == Expr_Node_Reloc
3345 && strcmp (tmp->value.s_value,
3346 "_current_shared_library_p5_offset_") != 0)
3347 return yyerror ("Plain symbol used as offset");
3350 tmp = unary (Expr_Op_Type_NEG, tmp);
3354 notethat ("LDSTidxI: dpregs = [ pregs + sym@got ]\n");
3355 $$ = LDSTIDXI (&$4, &$1, 0, 0, ispreg ? 1 : 0, tmp);
3357 else if (in_range_p (tmp, 0, 63, 3))
3359 notethat ("LDSTii: dpregs = [ pregs + uimm7m4 ]\n");
3360 $$ = LDSTII (&$4, &$1, tmp, 0, ispreg ? 3 : 0);
3362 else if ($4.regno == REG_FP && in_range_p (tmp, -128, 0, 3))
3364 notethat ("LDSTiiFP: dpregs = [ FP - uimm7m4 ]\n");
3365 tmp = unary (Expr_Op_Type_NEG, tmp);
3366 $$ = LDSTIIFP (tmp, &$1, 0);
3368 else if (in_range_p (tmp, -131072, 131071, 3))
3370 notethat ("LDSTidxI: dpregs = [ pregs + imm18m4 ]\n");
3371 $$ = LDSTIDXI (&$4, &$1, 0, 0, ispreg ? 1 : 0, tmp);
3375 return yyerror ("Displacement out of range");
3378 | REG ASSIGN LBRACK REG post_op RBRACK
3380 if (!IS_IREG ($4) && !IS_PREG ($4))
3381 return yyerror ("Ireg or Preg expected in address");
3382 else if (IS_IREG ($4) && !IS_DREG ($1))
3383 return yyerror ("Dreg expected in destination operand");
3384 else if (IS_PREG ($4) && !IS_DREG ($1) && !IS_PREG ($1)
3385 && ($4.regno != REG_SP || !IS_ALLREG ($1) || $5.x0 != 0))
3386 return yyerror ("Dreg or Preg expected in destination operand");
3390 notethat ("dspLDST: dregs = [ iregs <post_op> ]\n");
3391 $$ = DSPLDST (&$4, 0, &$1, $5.x0, 0);
3393 else if (IS_DREG ($1))
3395 notethat ("LDST: dregs = [ pregs <post_op> ]\n");
3396 $$ = LDST (&$4, &$1, $5.x0, 0, 0, 0);
3398 else if (IS_PREG ($1))
3400 if (REG_SAME ($1, $4) && $5.x0 != 2)
3401 return yyerror ("Pregs can't be same");
3403 notethat ("LDST: pregs = [ pregs <post_op> ]\n");
3404 $$ = LDST (&$4, &$1, $5.x0, 0, 1, 0);
3408 notethat ("PushPopReg: allregs = [ SP ++ ]\n");
3409 $$ = PUSHPOPREG (&$1, 0);
3414 /* PushPopMultiple. */
3415 | reg_with_predec ASSIGN LPAREN REG COLON expr COMMA REG COLON expr RPAREN
3417 if ($1.regno != REG_SP)
3418 yyerror ("Stack Pointer expected");
3419 if ($4.regno == REG_R7
3420 && IN_RANGE ($6, 0, 7)
3421 && $8.regno == REG_P5
3422 && IN_RANGE ($10, 0, 5))
3424 notethat ("PushPopMultiple: [ -- SP ] = (R7 : reglim , P5 : reglim )\n");
3425 $$ = PUSHPOPMULTIPLE (imm5 ($6), imm5 ($10), 1, 1, 1);
3428 return yyerror ("Bad register for PushPopMultiple");
3431 | reg_with_predec ASSIGN LPAREN REG COLON expr RPAREN
3433 if ($1.regno != REG_SP)
3434 yyerror ("Stack Pointer expected");
3436 if ($4.regno == REG_R7 && IN_RANGE ($6, 0, 7))
3438 notethat ("PushPopMultiple: [ -- SP ] = (R7 : reglim )\n");
3439 $$ = PUSHPOPMULTIPLE (imm5 ($6), 0, 1, 0, 1);
3441 else if ($4.regno == REG_P5 && IN_RANGE ($6, 0, 6))
3443 notethat ("PushPopMultiple: [ -- SP ] = (P5 : reglim )\n");
3444 $$ = PUSHPOPMULTIPLE (0, imm5 ($6), 0, 1, 1);
3447 return yyerror ("Bad register for PushPopMultiple");
3450 | LPAREN REG COLON expr COMMA REG COLON expr RPAREN ASSIGN reg_with_postinc
3452 if ($11.regno != REG_SP)
3453 yyerror ("Stack Pointer expected");
3454 if ($2.regno == REG_R7 && (IN_RANGE ($4, 0, 7))
3455 && $6.regno == REG_P5 && (IN_RANGE ($8, 0, 6)))
3457 notethat ("PushPopMultiple: (R7 : reglim , P5 : reglim ) = [ SP ++ ]\n");
3458 $$ = PUSHPOPMULTIPLE (imm5 ($4), imm5 ($8), 1, 1, 0);
3461 return yyerror ("Bad register range for PushPopMultiple");
3464 | LPAREN REG COLON expr RPAREN ASSIGN reg_with_postinc
3466 if ($7.regno != REG_SP)
3467 yyerror ("Stack Pointer expected");
3469 if ($2.regno == REG_R7 && IN_RANGE ($4, 0, 7))
3471 notethat ("PushPopMultiple: (R7 : reglim ) = [ SP ++ ]\n");
3472 $$ = PUSHPOPMULTIPLE (imm5 ($4), 0, 1, 0, 0);
3474 else if ($2.regno == REG_P5 && IN_RANGE ($4, 0, 6))
3476 notethat ("PushPopMultiple: (P5 : reglim ) = [ SP ++ ]\n");
3477 $$ = PUSHPOPMULTIPLE (0, imm5 ($4), 0, 1, 0);
3480 return yyerror ("Bad register range for PushPopMultiple");
3483 | reg_with_predec ASSIGN REG
3485 if ($1.regno != REG_SP)
3486 yyerror ("Stack Pointer expected");
3490 notethat ("PushPopReg: [ -- SP ] = allregs\n");
3491 $$ = PUSHPOPREG (&$3, 1);
3494 return yyerror ("Bad register for PushPopReg");
3501 if (IS_URANGE (16, $2, 0, 4))
3502 $$ = LINKAGE (0, uimm16s4 ($2));
3504 return yyerror ("Bad constant for LINK");
3509 notethat ("linkage: UNLINK\n");
3510 $$ = LINKAGE (1, 0);
3516 | LSETUP LPAREN expr COMMA expr RPAREN REG
3518 if (IS_PCREL4 ($3) && IS_LPPCREL10 ($5) && IS_CREG ($7))
3520 notethat ("LoopSetup: LSETUP (pcrel4 , lppcrel10 ) counters\n");
3521 $$ = LOOPSETUP ($3, &$7, 0, $5, 0);
3524 return yyerror ("Bad register or values for LSETUP");
3527 | LSETUP LPAREN expr COMMA expr RPAREN REG ASSIGN REG
3529 if (IS_PCREL4 ($3) && IS_LPPCREL10 ($5)
3530 && IS_PREG ($9) && IS_CREG ($7))
3532 notethat ("LoopSetup: LSETUP (pcrel4 , lppcrel10 ) counters = pregs\n");
3533 $$ = LOOPSETUP ($3, &$7, 1, $5, &$9);
3536 return yyerror ("Bad register or values for LSETUP");
3539 | LSETUP LPAREN expr COMMA expr RPAREN REG ASSIGN REG GREATER_GREATER expr
3541 if (IS_PCREL4 ($3) && IS_LPPCREL10 ($5)
3542 && IS_PREG ($9) && IS_CREG ($7)
3543 && EXPR_VALUE ($11) == 1)
3545 notethat ("LoopSetup: LSETUP (pcrel4 , lppcrel10 ) counters = pregs >> 1\n");
3546 $$ = LOOPSETUP ($3, &$7, 3, $5, &$9);
3549 return yyerror ("Bad register or values for LSETUP");
3556 return yyerror ("Invalid expression in loop statement");
3558 return yyerror ("Invalid loop counter register");
3559 $$ = bfin_gen_loop ($2, &$3, 0, 0);
3561 | LOOP expr REG ASSIGN REG
3563 if (IS_RELOC ($2) && IS_PREG ($5) && IS_CREG ($3))
3565 notethat ("Loop: LOOP expr counters = pregs\n");
3566 $$ = bfin_gen_loop ($2, &$3, 1, &$5);
3569 return yyerror ("Bad register or values for LOOP");
3571 | LOOP expr REG ASSIGN REG GREATER_GREATER expr
3573 if (IS_RELOC ($2) && IS_PREG ($5) && IS_CREG ($3) && EXPR_VALUE ($7) == 1)
3575 notethat ("Loop: LOOP expr counters = pregs >> 1\n");
3576 $$ = bfin_gen_loop ($2, &$3, 3, &$5);
3579 return yyerror ("Bad register or values for LOOP");
3585 Expr_Node_Value val;
3587 Expr_Node *tmp = Expr_Node_Create (Expr_Node_Constant, val, NULL, NULL);
3588 bfin_loop_attempt_create_label (tmp, 1);
3589 if (!IS_RELOC (tmp))
3590 return yyerror ("Invalid expression in LOOP_BEGIN statement");
3591 bfin_loop_beginend (tmp, 1);
3597 return yyerror ("Invalid expression in LOOP_BEGIN statement");
3599 bfin_loop_beginend ($2, 1);
3606 Expr_Node_Value val;
3608 Expr_Node *tmp = Expr_Node_Create (Expr_Node_Constant, val, NULL, NULL);
3609 bfin_loop_attempt_create_label (tmp, 1);
3610 if (!IS_RELOC (tmp))
3611 return yyerror ("Invalid expression in LOOP_END statement");
3612 bfin_loop_beginend (tmp, 0);
3618 return yyerror ("Invalid expression in LOOP_END statement");
3620 bfin_loop_beginend ($2, 0);
3628 notethat ("psedoDEBUG: ABORT\n");
3629 $$ = bfin_gen_pseudodbg (3, 3, 0);
3634 notethat ("pseudoDEBUG: DBG\n");
3635 $$ = bfin_gen_pseudodbg (3, 7, 0);
3639 notethat ("pseudoDEBUG: DBG REG_A\n");
3640 $$ = bfin_gen_pseudodbg (3, IS_A1 ($2), 0);
3644 notethat ("pseudoDEBUG: DBG allregs\n");
3645 $$ = bfin_gen_pseudodbg (0, $2.regno & CODE_MASK, ($2.regno & CLASS_MASK) >> 4);
3648 | DBGCMPLX LPAREN REG RPAREN
3651 return yyerror ("Dregs expected");
3652 notethat ("pseudoDEBUG: DBGCMPLX (dregs )\n");
3653 $$ = bfin_gen_pseudodbg (3, 6, ($3.regno & CODE_MASK) >> 4);
3658 notethat ("psedoDEBUG: DBGHALT\n");
3659 $$ = bfin_gen_pseudodbg (3, 5, 0);
3664 notethat ("psedoDEBUG: HLT\n");
3665 $$ = bfin_gen_pseudodbg (3, 4, 0);
3668 | DBGA LPAREN HALF_REG COMMA expr RPAREN
3670 notethat ("pseudodbg_assert: DBGA (regs_lo/hi , uimm16 )\n");
3671 $$ = bfin_gen_pseudodbg_assert (IS_H ($3), &$3, uimm16 ($5));
3674 | DBGAH LPAREN REG COMMA expr RPAREN
3676 notethat ("pseudodbg_assert: DBGAH (regs , uimm16 )\n");
3677 $$ = bfin_gen_pseudodbg_assert (3, &$3, uimm16 ($5));
3680 | DBGAL LPAREN REG COMMA expr RPAREN
3682 notethat ("psedodbg_assert: DBGAL (regs , uimm16 )\n");
3683 $$ = bfin_gen_pseudodbg_assert (2, &$3, uimm16 ($5));
3688 if (!IS_UIMM ($2, 8))
3689 return yyerror ("Constant out of range");
3690 notethat ("psedodbg_assert: OUTC uimm8\n");
3691 $$ = bfin_gen_pseudochr (uimm8 ($2));
3697 return yyerror ("Dregs expected");
3698 notethat ("psedodbg_assert: OUTC dreg\n");
3699 $$ = bfin_gen_pseudodbg (2, $2.regno & CODE_MASK, 0);
3706 /* Register rules. */
3708 REG_A: REG_A_DOUBLE_ZERO
3726 | LPAREN M COMMA MMOD RPAREN
3731 | LPAREN MMOD COMMA M RPAREN
3736 | LPAREN MMOD RPAREN
3748 asr_asl: LPAREN ASL RPAREN
3829 | LPAREN asr_asl_0 RPAREN
3841 | LPAREN asr_asl_0 COMMA sco RPAREN
3847 | LPAREN sco COMMA asr_asl_0 RPAREN
3907 | LPAREN V COMMA S RPAREN
3912 | LPAREN S COMMA V RPAREN
3974 | LPAREN MMOD RPAREN
3977 return yyerror ("Bad modifier");
3981 | LPAREN MMOD COMMA R RPAREN
3984 return yyerror ("Bad modifier");
3988 | LPAREN R COMMA MMOD RPAREN
3991 return yyerror ("Bad modifier");
4018 | LPAREN MMOD RPAREN
4023 return yyerror ("Only (W32) allowed");
4031 | LPAREN MMOD RPAREN
4036 return yyerror ("(IU) expected");
4040 reg_with_predec: LBRACK _MINUS_MINUS REG RBRACK
4046 reg_with_postinc: LBRACK REG _PLUS_PLUS RBRACK
4098 $$.r0 = 1; /* HL. */
4101 $$.aop = 0; /* aop. */
4106 $$.r0 = 1; /* HL. */
4109 $$.aop = 1; /* aop. */
4112 | LPAREN RNDL RPAREN
4114 $$.r0 = 0; /* HL. */
4117 $$.aop = 0; /* aop. */
4122 $$.r0 = 0; /* HL. */
4128 | LPAREN RNDH COMMA R RPAREN
4130 $$.r0 = 1; /* HL. */
4133 $$.aop = 0; /* aop. */
4135 | LPAREN TH COMMA R RPAREN
4137 $$.r0 = 1; /* HL. */
4140 $$.aop = 1; /* aop. */
4142 | LPAREN RNDL COMMA R RPAREN
4144 $$.r0 = 0; /* HL. */
4147 $$.aop = 0; /* aop. */
4150 | LPAREN TL COMMA R RPAREN
4152 $$.r0 = 0; /* HL. */
4155 $$.aop = 1; /* aop. */
4163 $$.x0 = 0; /* HL. */
4168 $$.x0 = 1; /* HL. */
4170 | LPAREN LO COMMA R RPAREN
4173 $$.x0 = 0; /* HL. */
4175 | LPAREN HI COMMA R RPAREN
4178 $$.x0 = 1; /* HL. */
4196 /* Assignments, Macfuncs. */
4222 if (IS_A1 ($3) && IS_EVEN ($1))
4223 return yyerror ("Cannot move A1 to even register");
4224 else if (!IS_A1 ($3) && !IS_EVEN ($1))
4225 return yyerror ("Cannot move A0 to odd register");
4241 | REG ASSIGN LPAREN a_macfunc RPAREN
4243 if ($4.n && IS_EVEN ($1))
4244 return yyerror ("Cannot move A1 to even register");
4245 else if (!$4.n && !IS_EVEN ($1))
4246 return yyerror ("Cannot move A0 to odd register");
4254 | HALF_REG ASSIGN LPAREN a_macfunc RPAREN
4256 if ($4.n && !IS_H ($1))
4257 return yyerror ("Cannot move A1 to low half of register");
4258 else if (!$4.n && IS_H ($1))
4259 return yyerror ("Cannot move A0 to high half of register");
4267 | HALF_REG ASSIGN REG_A
4269 if (IS_A1 ($3) && !IS_H ($1))
4270 return yyerror ("Cannot move A1 to low half of register");
4271 else if (!IS_A1 ($3) && IS_H ($1))
4272 return yyerror ("Cannot move A0 to high half of register");
4285 a_assign multiply_halfregs
4292 | a_plusassign multiply_halfregs
4299 | a_minusassign multiply_halfregs
4309 HALF_REG STAR HALF_REG
4311 if (IS_DREG ($1) && IS_DREG ($3))
4317 return yyerror ("Dregs expected");
4341 CCREG cc_op STATUS_REG
4353 | STATUS_REG cc_op CCREG
4367 /* Expressions and Symbols. */
4371 Expr_Node_Value val;
4372 val.s_value = S_GET_NAME($1);
4373 $$ = Expr_Node_Create (Expr_Node_Reloc, val, NULL, NULL);
4379 { $$ = BFD_RELOC_BFIN_GOT; }
4381 { $$ = BFD_RELOC_BFIN_GOT17M4; }
4383 { $$ = BFD_RELOC_BFIN_FUNCDESC_GOT17M4; }
4386 got: symbol AT any_gotrel
4388 Expr_Node_Value val;
4390 $$ = Expr_Node_Create (Expr_Node_GOT_Reloc, val, $1, NULL);
4413 Expr_Node_Value val;
4415 $$ = Expr_Node_Create (Expr_Node_Constant, val, NULL, NULL);
4421 | LPAREN expr_1 RPAREN
4427 $$ = unary (Expr_Op_Type_COMP, $2);
4429 | MINUS expr_1 %prec TILDA
4431 $$ = unary (Expr_Op_Type_NEG, $2);
4441 expr_1: expr_1 STAR expr_1
4443 $$ = binary (Expr_Op_Type_Mult, $1, $3);
4445 | expr_1 SLASH expr_1
4447 $$ = binary (Expr_Op_Type_Div, $1, $3);
4449 | expr_1 PERCENT expr_1
4451 $$ = binary (Expr_Op_Type_Mod, $1, $3);
4453 | expr_1 PLUS expr_1
4455 $$ = binary (Expr_Op_Type_Add, $1, $3);
4457 | expr_1 MINUS expr_1
4459 $$ = binary (Expr_Op_Type_Sub, $1, $3);
4461 | expr_1 LESS_LESS expr_1
4463 $$ = binary (Expr_Op_Type_Lshift, $1, $3);
4465 | expr_1 GREATER_GREATER expr_1
4467 $$ = binary (Expr_Op_Type_Rshift, $1, $3);
4469 | expr_1 AMPERSAND expr_1
4471 $$ = binary (Expr_Op_Type_BAND, $1, $3);
4473 | expr_1 CARET expr_1
4475 $$ = binary (Expr_Op_Type_LOR, $1, $3);
4479 $$ = binary (Expr_Op_Type_BOR, $1, $3);
4491 mkexpr (int x, SYMBOL_T s)
4493 EXPR_T e = (EXPR_T) ALLOCATE (sizeof (struct expression_cell));
4500 value_match (Expr_Node *exp, int sz, int sign, int mul, int issigned)
4502 int umax = (1 << sz) - 1;
4503 int min = -1 << (sz - 1);
4504 int max = (1 << (sz - 1)) - 1;
4506 int v = (EXPR_VALUE (exp)) & 0xffffffff;
4510 error ("%s:%d: Value Error -- Must align to %d\n", __FILE__, __LINE__, mul);
4521 if (v >= min && v <= max) return 1;
4524 fprintf(stderr, "signed value %lx out of range\n", v * mul);
4528 if (v <= umax && v >= 0)
4531 fprintf(stderr, "unsigned value %lx out of range\n", v * mul);
4536 /* Return the expression structure that allows symbol operations.
4537 If the left and right children are constants, do the operation. */
4539 binary (Expr_Op_Type op, Expr_Node *x, Expr_Node *y)
4541 Expr_Node_Value val;
4543 if (x->type == Expr_Node_Constant && y->type == Expr_Node_Constant)
4547 case Expr_Op_Type_Add:
4548 x->value.i_value += y->value.i_value;
4550 case Expr_Op_Type_Sub:
4551 x->value.i_value -= y->value.i_value;
4553 case Expr_Op_Type_Mult:
4554 x->value.i_value *= y->value.i_value;
4556 case Expr_Op_Type_Div:
4557 if (y->value.i_value == 0)
4558 error ("Illegal Expression: Division by zero.");
4560 x->value.i_value /= y->value.i_value;
4562 case Expr_Op_Type_Mod:
4563 x->value.i_value %= y->value.i_value;
4565 case Expr_Op_Type_Lshift:
4566 x->value.i_value <<= y->value.i_value;
4568 case Expr_Op_Type_Rshift:
4569 x->value.i_value >>= y->value.i_value;
4571 case Expr_Op_Type_BAND:
4572 x->value.i_value &= y->value.i_value;
4574 case Expr_Op_Type_BOR:
4575 x->value.i_value |= y->value.i_value;
4577 case Expr_Op_Type_BXOR:
4578 x->value.i_value ^= y->value.i_value;
4580 case Expr_Op_Type_LAND:
4581 x->value.i_value = x->value.i_value && y->value.i_value;
4583 case Expr_Op_Type_LOR:
4584 x->value.i_value = x->value.i_value || y->value.i_value;
4588 error ("%s:%d: Internal assembler error\n", __FILE__, __LINE__);
4592 /* Canonicalize order to EXPR OP CONSTANT. */
4593 if (x->type == Expr_Node_Constant)
4599 /* Canonicalize subtraction of const to addition of negated const. */
4600 if (op == Expr_Op_Type_Sub && y->type == Expr_Node_Constant)
4602 op = Expr_Op_Type_Add;
4603 y->value.i_value = -y->value.i_value;
4605 if (y->type == Expr_Node_Constant && x->type == Expr_Node_Binop
4606 && x->Right_Child->type == Expr_Node_Constant)
4608 if (op == x->value.op_value && x->value.op_value == Expr_Op_Type_Add)
4610 x->Right_Child->value.i_value += y->value.i_value;
4615 /* Create a new expression structure. */
4617 return Expr_Node_Create (Expr_Node_Binop, val, x, y);
4621 unary (Expr_Op_Type op, Expr_Node *x)
4623 if (x->type == Expr_Node_Constant)
4627 case Expr_Op_Type_NEG:
4628 x->value.i_value = -x->value.i_value;
4630 case Expr_Op_Type_COMP:
4631 x->value.i_value = ~x->value.i_value;
4634 error ("%s:%d: Internal assembler error\n", __FILE__, __LINE__);
4640 /* Create a new expression structure. */
4641 Expr_Node_Value val;
4643 return Expr_Node_Create (Expr_Node_Unop, val, x, NULL);
4647 int debug_codeselection = 0;
4649 notethat (char *format, ...)
4652 va_start (ap, format);
4653 if (debug_codeselection)
4655 vfprintf (errorf, format, ap);
4661 main (int argc, char **argv)