1 /* bfin-parse.y ADI Blackfin parser
2 Copyright 2005, 2006, 2007
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 *expr, int sz, int sign, int mul, int issigned);
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 *format, ...);
165 char *current_inputline;
167 int yyerror (char *msg);
169 void error (char *format, ...)
174 va_start (ap, format);
175 vsprintf (buffer, format, ap);
187 else if (yytext[0] != ';')
188 error ("%s. Input text was %s.", msg, yytext);
196 in_range_p (Expr_Node *expr, int from, int to, unsigned int mask)
198 int val = EXPR_VALUE (expr);
199 if (expr->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 imm16(x) EXPR_VALUE (x)
216 #define uimm16s4(x) ((EXPR_VALUE (x)) >> 2)
217 #define uimm16(x) EXPR_VALUE (x)
219 /* Return true if a value is inside a range. */
220 #define IN_RANGE(x, low, high) \
221 (((EXPR_VALUE(x)) >= (low)) && (EXPR_VALUE(x)) <= ((high)))
223 /* Auxiliary functions. */
226 neg_value (Expr_Node *expr)
228 expr->value.i_value = -expr->value.i_value;
232 valid_dreg_pair (Register *reg1, Expr_Node *reg2)
234 if (!IS_DREG (*reg1))
236 yyerror ("Dregs expected");
240 if (reg1->regno != 1 && reg1->regno != 3)
242 yyerror ("Bad register pair");
246 if (imm7 (reg2) != reg1->regno - 1)
248 yyerror ("Bad register pair");
257 check_multiply_halfregs (Macfunc *aa, Macfunc *ab)
259 if ((!REG_EQUAL (aa->s0, ab->s0) && !REG_EQUAL (aa->s0, ab->s1))
260 || (!REG_EQUAL (aa->s1, ab->s1) && !REG_EQUAL (aa->s1, ab->s0)))
261 return yyerror ("Source multiplication register mismatch");
267 /* Check (vector) mac funcs and ops. */
270 check_macfuncs (Macfunc *aa, Opt_mode *opa,
271 Macfunc *ab, Opt_mode *opb)
273 /* Variables for swapping. */
277 /* If a0macfunc comes before a1macfunc, swap them. */
281 /* (M) is not allowed here. */
283 return yyerror ("(M) not allowed with A0MAC");
285 return yyerror ("Vector AxMACs can't be same");
287 mtmp = *aa; *aa = *ab; *ab = mtmp;
288 otmp = *opa; *opa = *opb; *opb = otmp;
293 return yyerror ("(M) not allowed with A0MAC");
295 return yyerror ("Bad opt mode");
297 return yyerror ("Vector AxMACs can't be same");
300 /* If both ops are one of 0, 1, or 2, we have multiply_halfregs in both
301 assignment_or_macfuncs. */
302 if (aa->op < 3 && aa->op >=0
303 && ab->op < 3 && ab->op >= 0)
305 if (check_multiply_halfregs (aa, ab) < 0)
310 /* Only one of the assign_macfuncs has a half reg multiply
311 Evil trick: Just 'OR' their source register codes:
312 We can do that, because we know they were initialized to 0
313 in the rules that don't use multiply_halfregs. */
314 aa->s0.regno |= (ab->s0.regno & CODE_MASK);
315 aa->s1.regno |= (ab->s1.regno & CODE_MASK);
318 if (aa->w == ab->w && aa->P != ab->P)
320 return yyerror ("macfuncs must differ");
321 if (aa->w && (aa->dst.regno - ab->dst.regno != 1))
322 return yyerror ("Destination Dregs must differ by one");
324 /* We assign to full regs, thus obey even/odd rules. */
325 else if ((aa->w && aa->P && IS_EVEN (aa->dst))
326 || (ab->w && ab->P && !IS_EVEN (ab->dst)))
327 return yyerror ("Even/Odd register assignment mismatch");
328 /* We assign to half regs, thus obey hi/low rules. */
329 else if ( (aa->w && !aa->P && !IS_H (aa->dst))
330 || (ab->w && !aa->P && IS_H (ab->dst)))
331 return yyerror ("High/Low register assignment mismatch");
333 /* Make sure first macfunc has got both P flags ORed. */
336 /* Make sure mod flags get ORed, too. */
337 opb->mod |= opa->mod;
343 is_group1 (INSTR_T x)
345 /* Group1 is dpsLDST, LDSTpmod, LDST, LDSTiiFP, LDSTii. */
346 if ((x->value & 0xc000) == 0x8000 || (x->value == 0x0000))
353 is_group2 (INSTR_T x)
355 if ((((x->value & 0xfc00) == 0x9c00) /* dspLDST. */
356 && !((x->value & 0xfde0) == 0x9c60) /* dagMODim. */
357 && !((x->value & 0xfde0) == 0x9ce0) /* dagMODim with bit rev. */
358 && !((x->value & 0xfde0) == 0x9d60)) /* pick dagMODik. */
359 || (x->value == 0x0000))
373 struct { int r0; int s0; int x0; int aop; } modcodes;
374 struct { int r0; } r0;
381 /* Vector Specific. */
382 %token BYTEOP16P BYTEOP16M
383 %token BYTEOP1P BYTEOP2P BYTEOP2M BYTEOP3P
384 %token BYTEUNPACK BYTEPACK
387 %token ALIGN8 ALIGN16 ALIGN24
389 %token EXTRACT DEPOSIT EXPADJ SEARCH
390 %token ONES SIGN SIGNBITS
398 %token CCREG BYTE_DREG
399 %token REG_A_DOUBLE_ZERO REG_A_DOUBLE_ONE
400 %token A_ZERO_DOT_L A_ZERO_DOT_H A_ONE_DOT_L A_ONE_DOT_H
405 %token RTI RTS RTX RTN RTE
416 %token JUMP JUMP_DOT_S JUMP_DOT_L
423 %token NOT TILDA BANG
429 %token MINUS PLUS STAR SLASH
433 %token _PLUS_BAR_PLUS _PLUS_BAR_MINUS _MINUS_BAR_PLUS _MINUS_BAR_MINUS
434 %token _MINUS_MINUS _PLUS_PLUS
436 /* Shift/rotate ops. */
437 %token SHIFT LSHIFT ASHIFT BXORSHIFT
438 %token _GREATER_GREATER_GREATER_THAN_ASSIGN
440 %token LESS_LESS GREATER_GREATER
441 %token _GREATER_GREATER_GREATER
442 %token _LESS_LESS_ASSIGN _GREATER_GREATER_ASSIGN
445 /* In place operators. */
446 %token ASSIGN _STAR_ASSIGN
447 %token _BAR_ASSIGN _CARET_ASSIGN _AMPERSAND_ASSIGN
448 %token _MINUS_ASSIGN _PLUS_ASSIGN
450 /* Assignments, comparisons. */
451 %token _ASSIGN_BANG _LESS_THAN_ASSIGN _ASSIGN_ASSIGN
456 %token FLUSHINV FLUSH
457 %token IFLUSH PREFETCH
474 %token R RND RNDL RNDH RND12 RND20
479 %token BITTGL BITCLR BITSET BITTST BITMUX
482 %token DBGAL DBGAH DBGHALT DBG DBGA DBGCMPLX
484 /* Semantic auxiliaries. */
487 %token COLON SEMICOLON
488 %token RPAREN LPAREN LBRACK RBRACK
492 %token GOT GOT17M4 FUNCDESC_GOT17M4
502 %type <modcodes> byteop_mod
504 %type <reg> a_plusassign
505 %type <reg> a_minusassign
506 %type <macfunc> multiply_halfregs
507 %type <macfunc> assign_macfunc
508 %type <macfunc> a_macfunc
512 %type <modcodes> vsmod
513 %type <modcodes> ccstat
516 %type <reg> reg_with_postinc
517 %type <reg> reg_with_predec
521 %type <symbol> SYMBOL
524 %type <reg> BYTE_DREG
525 %type <reg> REG_A_DOUBLE_ZERO
526 %type <reg> REG_A_DOUBLE_ONE
528 %type <reg> STATUS_REG
532 %type <modcodes> smod
533 %type <modcodes> b3_op
534 %type <modcodes> rnd_op
535 %type <modcodes> post_op
537 %type <r0> iu_or_nothing
538 %type <r0> plus_minus
542 %type <modcodes> amod0
543 %type <modcodes> amod1
544 %type <modcodes> amod2
546 %type <r0> w32_or_nothing
550 %type <expr> got_or_expr
552 %type <value> any_gotrel GOT GOT17M4 FUNCDESC_GOT17M4
554 /* Precedence rules. */
558 %left LESS_LESS GREATER_GREATER
560 %left STAR SLASH PERCENT
571 if (insn == (INSTR_T) 0)
572 return NO_INSN_GENERATED;
573 else if (insn == (INSTR_T) - 1)
574 return SEMANTIC_ERROR;
576 return INSN_GENERATED;
581 /* Parallel instructions. */
582 | asm_1 DOUBLE_BAR asm_1 DOUBLE_BAR asm_1 SEMICOLON
584 if (($1->value & 0xf800) == 0xc000)
586 if (is_group1 ($3) && is_group2 ($5))
587 $$ = bfin_gen_multi_instr ($1, $3, $5);
588 else if (is_group2 ($3) && is_group1 ($5))
589 $$ = bfin_gen_multi_instr ($1, $5, $3);
591 return yyerror ("Wrong 16 bit instructions groups, slot 2 and slot 3 must be 16-bit instrution group");
593 else if (($3->value & 0xf800) == 0xc000)
595 if (is_group1 ($1) && is_group2 ($5))
596 $$ = bfin_gen_multi_instr ($3, $1, $5);
597 else if (is_group2 ($1) && is_group1 ($5))
598 $$ = bfin_gen_multi_instr ($3, $5, $1);
600 return yyerror ("Wrong 16 bit instructions groups, slot 1 and slot 3 must be 16-bit instrution group");
602 else if (($5->value & 0xf800) == 0xc000)
604 if (is_group1 ($1) && is_group2 ($3))
605 $$ = bfin_gen_multi_instr ($5, $1, $3);
606 else if (is_group2 ($1) && is_group1 ($3))
607 $$ = bfin_gen_multi_instr ($5, $3, $1);
609 return yyerror ("Wrong 16 bit instructions groups, slot 1 and slot 2 must be 16-bit instrution group");
612 error ("\nIllegal Multi Issue Construct, at least any one of the slot must be DSP32 instruction group\n");
615 | asm_1 DOUBLE_BAR asm_1 SEMICOLON
617 if (($1->value & 0xf800) == 0xc000)
620 $$ = bfin_gen_multi_instr ($1, $3, 0);
621 else if (is_group2 ($3))
622 $$ = bfin_gen_multi_instr ($1, 0, $3);
624 return yyerror ("Wrong 16 bit instructions groups, slot 2 must be the 16-bit instruction group");
626 else if (($3->value & 0xf800) == 0xc000)
629 $$ = bfin_gen_multi_instr ($3, $1, 0);
630 else if (is_group2 ($1))
631 $$ = bfin_gen_multi_instr ($3, 0, $1);
633 return yyerror ("Wrong 16 bit instructions groups, slot 1 must be the 16-bit instruction group");
635 else if (is_group1 ($1) && is_group2 ($3))
636 $$ = bfin_gen_multi_instr (0, $1, $3);
637 else if (is_group2 ($1) && is_group1 ($3))
638 $$ = bfin_gen_multi_instr (0, $3, $1);
640 return yyerror ("Wrong 16 bit instructions groups, slot 1 and slot 2 must be the 16-bit instruction group");
655 $$ = DSP32MAC (3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0);
657 | assign_macfunc opt_mode
661 int h00, h10, h01, h11;
666 return yyerror ("(m) not allowed with a0 unit");
685 $$ = DSP32MAC (op1, $2.MM, $2.mod, w1, $1.P, h01, h11, h00, h10,
686 &$1.dst, op0, &$1.s0, &$1.s1, w0);
692 | assign_macfunc opt_mode COMMA assign_macfunc opt_mode
696 if (check_macfuncs (&$1, &$2, &$4, &$5) < 0)
698 notethat ("assign_macfunc (.), assign_macfunc (.)\n");
705 $$ = DSP32MAC ($1.op, $2.MM, $5.mod, $1.w, $1.P,
706 IS_H ($1.s0), IS_H ($1.s1), IS_H ($4.s0), IS_H ($4.s1),
707 dst, $4.op, &$1.s0, &$1.s1, $4.w);
714 notethat ("dsp32alu: DISALGNEXCPT\n");
715 $$ = DSP32ALU (18, 0, 0, 0, 0, 0, 0, 0, 3);
717 | REG ASSIGN LPAREN a_plusassign REG_A RPAREN
719 if (IS_DREG ($1) && !IS_A1 ($4) && IS_A1 ($5))
721 notethat ("dsp32alu: dregs = ( A0 += A1 )\n");
722 $$ = DSP32ALU (11, 0, 0, &$1, 0, 0, 0, 0, 0);
725 return yyerror ("Register mismatch");
727 | HALF_REG ASSIGN LPAREN a_plusassign REG_A RPAREN
729 if (!IS_A1 ($4) && IS_A1 ($5))
731 notethat ("dsp32alu: dregs_half = ( A0 += A1 )\n");
732 $$ = DSP32ALU (11, IS_H ($1), 0, &$1, 0, 0, 0, 0, 1);
735 return yyerror ("Register mismatch");
737 | A_ZERO_DOT_H ASSIGN HALF_REG
739 notethat ("dsp32alu: A_ZERO_DOT_H = dregs_hi\n");
740 $$ = DSP32ALU (9, IS_H ($3), 0, 0, &$3, 0, 0, 0, 0);
742 | A_ONE_DOT_H ASSIGN HALF_REG
744 notethat ("dsp32alu: A_ZERO_DOT_H = dregs_hi\n");
745 $$ = DSP32ALU (9, IS_H ($3), 0, 0, &$3, 0, 0, 0, 2);
747 | LPAREN REG COMMA REG RPAREN ASSIGN BYTEOP16P LPAREN REG
748 COLON expr COMMA REG COLON expr RPAREN aligndir
750 if (!IS_DREG ($2) || !IS_DREG ($4))
751 return yyerror ("Dregs expected");
752 else if (!valid_dreg_pair (&$9, $11))
753 return yyerror ("Bad dreg pair");
754 else if (!valid_dreg_pair (&$13, $15))
755 return yyerror ("Bad dreg pair");
758 notethat ("dsp32alu: (dregs , dregs ) = BYTEOP16P (dregs_pair , dregs_pair ) (half)\n");
759 $$ = DSP32ALU (21, 0, &$2, &$4, &$9, &$13, $17.r0, 0, 0);
763 | LPAREN REG COMMA REG RPAREN ASSIGN BYTEOP16M LPAREN REG COLON expr COMMA
764 REG COLON expr RPAREN aligndir
766 if (!IS_DREG ($2) || !IS_DREG($4))
767 return yyerror ("Dregs expected");
768 else if (!valid_dreg_pair (&$9, $11))
769 return yyerror ("Bad dreg pair");
770 else if (!valid_dreg_pair (&$13, $15))
771 return yyerror ("Bad dreg pair");
774 notethat ("dsp32alu: (dregs , dregs ) = BYTEOP16M (dregs_pair , dregs_pair ) (aligndir)\n");
775 $$ = DSP32ALU (21, 0, &$2, &$4, &$9, &$13, $17.r0, 0, 1);
779 | LPAREN REG COMMA REG RPAREN ASSIGN BYTEUNPACK REG COLON expr aligndir
781 if (!IS_DREG ($2) || !IS_DREG ($4))
782 return yyerror ("Dregs expected");
783 else if (!valid_dreg_pair (&$8, $10))
784 return yyerror ("Bad dreg pair");
787 notethat ("dsp32alu: (dregs , dregs ) = BYTEUNPACK dregs_pair (aligndir)\n");
788 $$ = DSP32ALU (24, 0, &$2, &$4, &$8, 0, $11.r0, 0, 1);
791 | LPAREN REG COMMA REG RPAREN ASSIGN SEARCH REG LPAREN searchmod RPAREN
793 if (IS_DREG ($2) && IS_DREG ($4) && IS_DREG ($8))
795 notethat ("dsp32alu: (dregs , dregs ) = SEARCH dregs (searchmod)\n");
796 $$ = DSP32ALU (13, 0, &$2, &$4, &$8, 0, 0, 0, $10.r0);
799 return yyerror ("Register mismatch");
801 | REG ASSIGN A_ONE_DOT_L PLUS A_ONE_DOT_H COMMA
802 REG ASSIGN A_ZERO_DOT_L PLUS A_ZERO_DOT_H
804 if (IS_DREG ($1) && IS_DREG ($7))
806 notethat ("dsp32alu: dregs = A1.l + A1.h, dregs = A0.l + A0.h \n");
807 $$ = DSP32ALU (12, 0, &$1, &$7, 0, 0, 0, 0, 1);
810 return yyerror ("Register mismatch");
814 | REG ASSIGN REG_A PLUS REG_A COMMA REG ASSIGN REG_A MINUS REG_A amod1
816 if (IS_DREG ($1) && IS_DREG ($7) && !REG_SAME ($3, $5)
817 && IS_A1 ($9) && !IS_A1 ($11))
819 notethat ("dsp32alu: dregs = A1 + A0 , dregs = A1 - A0 (amod1)\n");
820 $$ = DSP32ALU (17, 0, &$1, &$7, 0, 0, $12.s0, $12.x0, 0);
823 else if (IS_DREG ($1) && IS_DREG ($7) && !REG_SAME ($3, $5)
824 && !IS_A1 ($9) && IS_A1 ($11))
826 notethat ("dsp32alu: dregs = A0 + A1 , dregs = A0 - A1 (amod1)\n");
827 $$ = DSP32ALU (17, 0, &$1, &$7, 0, 0, $12.s0, $12.x0, 1);
830 return yyerror ("Register mismatch");
833 | REG ASSIGN REG plus_minus REG COMMA REG ASSIGN REG plus_minus REG amod1
836 return yyerror ("Operators must differ");
838 if (IS_DREG ($1) && IS_DREG ($3) && IS_DREG ($5)
839 && REG_SAME ($3, $9) && REG_SAME ($5, $11))
841 notethat ("dsp32alu: dregs = dregs + dregs,"
842 "dregs = dregs - dregs (amod1)\n");
843 $$ = DSP32ALU (4, 0, &$1, &$7, &$3, &$5, $12.s0, $12.x0, 2);
846 return yyerror ("Register mismatch");
849 /* Bar Operations. */
851 | REG ASSIGN REG op_bar_op REG COMMA REG ASSIGN REG op_bar_op REG amod2
853 if (!REG_SAME ($3, $9) || !REG_SAME ($5, $11))
854 return yyerror ("Differing source registers");
856 if (!IS_DREG ($1) || !IS_DREG ($3) || !IS_DREG ($5) || !IS_DREG ($7))
857 return yyerror ("Dregs expected");
860 if ($4.r0 == 1 && $10.r0 == 2)
862 notethat ("dsp32alu: dregs = dregs .|. dregs , dregs = dregs .|. dregs (amod2)\n");
863 $$ = DSP32ALU (1, 1, &$1, &$7, &$3, &$5, $12.s0, $12.x0, $12.r0);
865 else if ($4.r0 == 0 && $10.r0 == 3)
867 notethat ("dsp32alu: dregs = dregs .|. dregs , dregs = dregs .|. dregs (amod2)\n");
868 $$ = DSP32ALU (1, 0, &$1, &$7, &$3, &$5, $12.s0, $12.x0, $12.r0);
871 return yyerror ("Bar operand mismatch");
874 | REG ASSIGN ABS REG vmod
878 if (IS_DREG ($1) && IS_DREG ($4))
882 notethat ("dsp32alu: dregs = ABS dregs (v)\n");
887 /* Vector version of ABS. */
888 notethat ("dsp32alu: dregs = ABS dregs\n");
891 $$ = DSP32ALU (op, 0, 0, &$1, &$4, 0, 0, 0, 2);
894 return yyerror ("Dregs expected");
898 notethat ("dsp32alu: Ax = ABS Ax\n");
899 $$ = DSP32ALU (16, IS_A1 ($1), 0, 0, 0, 0, 0, 0, IS_A1 ($3));
901 | A_ZERO_DOT_L ASSIGN HALF_REG
905 notethat ("dsp32alu: A0.l = reg_half\n");
906 $$ = DSP32ALU (9, IS_H ($3), 0, 0, &$3, 0, 0, 0, 0);
909 return yyerror ("A0.l = Rx.l expected");
911 | A_ONE_DOT_L ASSIGN HALF_REG
915 notethat ("dsp32alu: A1.l = reg_half\n");
916 $$ = DSP32ALU (9, IS_H ($3), 0, 0, &$3, 0, 0, 0, 2);
919 return yyerror ("A1.l = Rx.l expected");
922 | REG ASSIGN c_align LPAREN REG COMMA REG RPAREN
924 if (IS_DREG ($1) && IS_DREG ($5) && IS_DREG ($7))
926 notethat ("dsp32shift: dregs = ALIGN8 (dregs , dregs )\n");
927 $$ = DSP32SHIFT (13, &$1, &$7, &$5, $3.r0, 0);
930 return yyerror ("Dregs expected");
933 | REG ASSIGN BYTEOP1P LPAREN REG COLON expr COMMA REG COLON expr RPAREN byteop_mod
936 return yyerror ("Dregs expected");
937 else if (!valid_dreg_pair (&$5, $7))
938 return yyerror ("Bad dreg pair");
939 else if (!valid_dreg_pair (&$9, $11))
940 return yyerror ("Bad dreg pair");
943 notethat ("dsp32alu: dregs = BYTEOP1P (dregs_pair , dregs_pair ) (T)\n");
944 $$ = DSP32ALU (20, 0, 0, &$1, &$5, &$9, $13.s0, 0, $13.r0);
947 | REG ASSIGN BYTEOP1P LPAREN REG COLON expr COMMA REG COLON expr RPAREN
950 return yyerror ("Dregs expected");
951 else if (!valid_dreg_pair (&$5, $7))
952 return yyerror ("Bad dreg pair");
953 else if (!valid_dreg_pair (&$9, $11))
954 return yyerror ("Bad dreg pair");
957 notethat ("dsp32alu: dregs = BYTEOP1P (dregs_pair , dregs_pair ) (T)\n");
958 $$ = DSP32ALU (20, 0, 0, &$1, &$5, &$9, 0, 0, 0);
962 | REG ASSIGN BYTEOP2P LPAREN REG COLON expr COMMA REG COLON expr RPAREN
966 return yyerror ("Dregs expected");
967 else if (!valid_dreg_pair (&$5, $7))
968 return yyerror ("Bad dreg pair");
969 else if (!valid_dreg_pair (&$9, $11))
970 return yyerror ("Bad dreg pair");
973 notethat ("dsp32alu: dregs = BYTEOP2P (dregs_pair , dregs_pair ) (rnd_op)\n");
974 $$ = DSP32ALU (22, $13.r0, 0, &$1, &$5, &$9, $13.s0, $13.x0, $13.aop);
978 | REG ASSIGN BYTEOP2M LPAREN REG COLON expr COMMA REG COLON expr RPAREN
982 return yyerror ("Dregs expected");
983 else if (!valid_dreg_pair (&$5, $7))
984 return yyerror ("Bad dreg pair");
985 else if (!valid_dreg_pair (&$9, $11))
986 return yyerror ("Bad dreg pair");
989 notethat ("dsp32alu: dregs = BYTEOP2P (dregs_pair , dregs_pair ) (rnd_op)\n");
990 $$ = DSP32ALU (22, $13.r0, 0, &$1, &$5, &$9, $13.s0, 0, $13.x0);
994 | REG ASSIGN BYTEOP3P LPAREN REG COLON expr COMMA REG COLON expr RPAREN
998 return yyerror ("Dregs expected");
999 else if (!valid_dreg_pair (&$5, $7))
1000 return yyerror ("Bad dreg pair");
1001 else if (!valid_dreg_pair (&$9, $11))
1002 return yyerror ("Bad dreg pair");
1005 notethat ("dsp32alu: dregs = BYTEOP3P (dregs_pair , dregs_pair ) (b3_op)\n");
1006 $$ = DSP32ALU (23, $13.x0, 0, &$1, &$5, &$9, $13.s0, 0, 0);
1010 | REG ASSIGN BYTEPACK LPAREN REG COMMA REG RPAREN
1012 if (IS_DREG ($1) && IS_DREG ($5) && IS_DREG ($7))
1014 notethat ("dsp32alu: dregs = BYTEPACK (dregs , dregs )\n");
1015 $$ = DSP32ALU (24, 0, 0, &$1, &$5, &$7, 0, 0, 0);
1018 return yyerror ("Dregs expected");
1021 | HALF_REG ASSIGN HALF_REG ASSIGN SIGN LPAREN HALF_REG RPAREN STAR
1022 HALF_REG PLUS SIGN LPAREN HALF_REG RPAREN STAR HALF_REG
1024 if (IS_HCOMPL ($1, $3) && IS_HCOMPL ($7, $14) && IS_HCOMPL ($10, $17))
1026 notethat ("dsp32alu: dregs_hi = dregs_lo ="
1027 "SIGN (dregs_hi) * dregs_hi + "
1028 "SIGN (dregs_lo) * dregs_lo \n");
1030 $$ = DSP32ALU (12, 0, 0, &$1, &$7, &$10, 0, 0, 0);
1033 return yyerror ("Dregs expected");
1035 | REG ASSIGN REG plus_minus REG amod1
1037 if (IS_DREG ($1) && IS_DREG ($3) && IS_DREG ($5))
1041 /* No saturation flag specified, generate the 16 bit variant. */
1042 notethat ("COMP3op: dregs = dregs +- dregs\n");
1043 $$ = COMP3OP (&$1, &$3, &$5, $4.r0);
1047 /* Saturation flag specified, generate the 32 bit variant. */
1048 notethat ("dsp32alu: dregs = dregs +- dregs (amod1)\n");
1049 $$ = DSP32ALU (4, 0, 0, &$1, &$3, &$5, $6.s0, $6.x0, $4.r0);
1053 if (IS_PREG ($1) && IS_PREG ($3) && IS_PREG ($5) && $4.r0 == 0)
1055 notethat ("COMP3op: pregs = pregs + pregs\n");
1056 $$ = COMP3OP (&$1, &$3, &$5, 5);
1059 return yyerror ("Dregs expected");
1061 | REG ASSIGN min_max LPAREN REG COMMA REG RPAREN vmod
1065 if (IS_DREG ($1) && IS_DREG ($5) && IS_DREG ($7))
1072 notethat ("dsp32alu: dregs = {MIN|MAX} (dregs, dregs)\n");
1073 $$ = DSP32ALU (op, 0, 0, &$1, &$5, &$7, 0, 0, $3.r0);
1076 return yyerror ("Dregs expected");
1079 | a_assign MINUS REG_A
1081 notethat ("dsp32alu: Ax = - Ax\n");
1082 $$ = DSP32ALU (14, IS_A1 ($1), 0, 0, 0, 0, 0, 0, IS_A1 ($3));
1084 | HALF_REG ASSIGN HALF_REG plus_minus HALF_REG amod1
1086 notethat ("dsp32alu: dregs_lo = dregs_lo +- dregs_lo (amod1)\n");
1087 $$ = DSP32ALU (2 | $4.r0, IS_H ($1), 0, &$1, &$3, &$5,
1088 $6.s0, $6.x0, HL2 ($3, $5));
1090 | a_assign a_assign expr
1092 if (EXPR_VALUE ($3) == 0 && !REG_SAME ($1, $2))
1094 notethat ("dsp32alu: A1 = A0 = 0\n");
1095 $$ = DSP32ALU (8, 0, 0, 0, 0, 0, 0, 0, 2);
1098 return yyerror ("Bad value, 0 expected");
1102 | a_assign REG_A LPAREN S RPAREN
1104 if (REG_SAME ($1, $2))
1106 notethat ("dsp32alu: Ax = Ax (S)\n");
1107 $$ = DSP32ALU (8, 0, 0, 0, 0, 0, 1, 0, IS_A1 ($1));
1110 return yyerror ("Registers must be equal");
1113 | HALF_REG ASSIGN REG LPAREN RND RPAREN
1117 notethat ("dsp32alu: dregs_half = dregs (RND)\n");
1118 $$ = DSP32ALU (12, IS_H ($1), 0, &$1, &$3, 0, 0, 0, 3);
1121 return yyerror ("Dregs expected");
1124 | HALF_REG ASSIGN REG plus_minus REG LPAREN RND12 RPAREN
1126 if (IS_DREG ($3) && IS_DREG ($5))
1128 notethat ("dsp32alu: dregs_half = dregs (+-) dregs (RND12)\n");
1129 $$ = DSP32ALU (5, IS_H ($1), 0, &$1, &$3, &$5, 0, 0, $4.r0);
1132 return yyerror ("Dregs expected");
1135 | HALF_REG ASSIGN REG plus_minus REG LPAREN RND20 RPAREN
1137 if (IS_DREG ($3) && IS_DREG ($5))
1139 notethat ("dsp32alu: dregs_half = dregs -+ dregs (RND20)\n");
1140 $$ = DSP32ALU (5, IS_H ($1), 0, &$1, &$3, &$5, 0, 1, $4.r0 | 2);
1143 return yyerror ("Dregs expected");
1148 if (!REG_SAME ($1, $2))
1150 notethat ("dsp32alu: An = Am\n");
1151 $$ = DSP32ALU (8, 0, 0, 0, 0, 0, IS_A1 ($1), 0, 3);
1154 return yyerror ("Accu reg arguments must differ");
1161 notethat ("dsp32alu: An = dregs\n");
1162 $$ = DSP32ALU (9, 0, 0, 0, &$2, 0, 1, 0, IS_A1 ($1) << 1);
1165 return yyerror ("Dregs expected");
1168 | REG ASSIGN HALF_REG xpmod
1172 if ($1.regno == REG_A0x && IS_DREG ($3))
1174 notethat ("dsp32alu: A0.x = dregs_lo\n");
1175 $$ = DSP32ALU (9, 0, 0, 0, &$3, 0, 0, 0, 1);
1177 else if ($1.regno == REG_A1x && IS_DREG ($3))
1179 notethat ("dsp32alu: A1.x = dregs_lo\n");
1180 $$ = DSP32ALU (9, 0, 0, 0, &$3, 0, 0, 0, 3);
1182 else if (IS_DREG ($1) && IS_DREG ($3))
1184 notethat ("ALU2op: dregs = dregs_lo\n");
1185 $$ = ALU2OP (&$1, &$3, 10 | ($4.r0 ? 0: 1));
1188 return yyerror ("Register mismatch");
1191 return yyerror ("Low reg expected");
1194 | HALF_REG ASSIGN expr
1196 notethat ("LDIMMhalf: pregs_half = imm16\n");
1198 if (!IS_DREG ($1) && !IS_PREG ($1) && !IS_IREG ($1)
1199 && !IS_MREG ($1) && !IS_BREG ($1) && !IS_LREG ($1))
1200 return yyerror ("Wrong register for load immediate");
1202 if (!IS_IMM ($3, 16) && !IS_UIMM ($3, 16))
1203 return yyerror ("Constant out of range");
1205 $$ = LDIMMHALF_R (&$1, IS_H ($1), 0, 0, $3);
1210 notethat ("dsp32alu: An = 0\n");
1213 return yyerror ("0 expected");
1215 $$ = DSP32ALU (8, 0, 0, 0, 0, 0, 0, 0, IS_A1 ($1));
1218 | REG ASSIGN expr xpmod1
1220 if (!IS_DREG ($1) && !IS_PREG ($1) && !IS_IREG ($1)
1221 && !IS_MREG ($1) && !IS_BREG ($1) && !IS_LREG ($1))
1222 return yyerror ("Wrong register for load immediate");
1226 /* 7 bit immediate value if possible.
1227 We will check for that constant value for efficiency
1228 If it goes to reloc, it will be 16 bit. */
1229 if (IS_CONST ($3) && IS_IMM ($3, 7) && IS_DREG ($1))
1231 notethat ("COMPI2opD: dregs = imm7 (x) \n");
1232 $$ = COMPI2OPD (&$1, imm7 ($3), 0);
1234 else if (IS_CONST ($3) && IS_IMM ($3, 7) && IS_PREG ($1))
1236 notethat ("COMPI2opP: pregs = imm7 (x)\n");
1237 $$ = COMPI2OPP (&$1, imm7 ($3), 0);
1241 if (IS_CONST ($3) && !IS_IMM ($3, 16))
1242 return yyerror ("Immediate value out of range");
1244 notethat ("LDIMMhalf: regs = luimm16 (x)\n");
1246 $$ = LDIMMHALF_R5 (&$1, 0, 1, 0, $3);
1251 /* (z) There is no 7 bit zero extended instruction.
1252 If the expr is a relocation, generate it. */
1254 if (IS_CONST ($3) && !IS_UIMM ($3, 16))
1255 return yyerror ("Immediate value out of range");
1257 notethat ("LDIMMhalf: regs = luimm16 (x)\n");
1259 $$ = LDIMMHALF_R5 (&$1, 0, 0, 1, $3);
1263 | HALF_REG ASSIGN REG
1266 return yyerror ("Low reg expected");
1268 if (IS_DREG ($1) && $3.regno == REG_A0x)
1270 notethat ("dsp32alu: dregs_lo = A0.x\n");
1271 $$ = DSP32ALU (10, 0, 0, &$1, 0, 0, 0, 0, 0);
1273 else if (IS_DREG ($1) && $3.regno == REG_A1x)
1275 notethat ("dsp32alu: dregs_lo = A1.x\n");
1276 $$ = DSP32ALU (10, 0, 0, &$1, 0, 0, 0, 0, 1);
1279 return yyerror ("Register mismatch");
1282 | REG ASSIGN REG op_bar_op REG amod0
1284 if (IS_DREG ($1) && IS_DREG ($3) && IS_DREG ($5))
1286 notethat ("dsp32alu: dregs = dregs .|. dregs (amod0)\n");
1287 $$ = DSP32ALU (0, 0, 0, &$1, &$3, &$5, $6.s0, $6.x0, $4.r0);
1290 return yyerror ("Register mismatch");
1293 | REG ASSIGN BYTE_DREG xpmod
1295 if (IS_DREG ($1) && IS_DREG ($3))
1297 notethat ("ALU2op: dregs = dregs_byte\n");
1298 $$ = ALU2OP (&$1, &$3, 12 | ($4.r0 ? 0: 1));
1301 return yyerror ("Register mismatch");
1304 | a_assign ABS REG_A COMMA a_assign ABS REG_A
1306 if (REG_SAME ($1, $3) && REG_SAME ($5, $7) && !REG_SAME ($1, $5))
1308 notethat ("dsp32alu: A1 = ABS A1 , A0 = ABS A0\n");
1309 $$ = DSP32ALU (16, 0, 0, 0, 0, 0, 0, 0, 3);
1312 return yyerror ("Register mismatch");
1315 | a_assign MINUS REG_A COMMA a_assign MINUS REG_A
1317 if (REG_SAME ($1, $3) && REG_SAME ($5, $7) && !REG_SAME ($1, $5))
1319 notethat ("dsp32alu: A1 = - A1 , A0 = - A0\n");
1320 $$ = DSP32ALU (14, 0, 0, 0, 0, 0, 0, 0, 3);
1323 return yyerror ("Register mismatch");
1326 | a_minusassign REG_A w32_or_nothing
1328 if (!IS_A1 ($1) && IS_A1 ($2))
1330 notethat ("dsp32alu: A0 -= A1\n");
1331 $$ = DSP32ALU (11, 0, 0, 0, 0, 0, $3.r0, 0, 3);
1334 return yyerror ("Register mismatch");
1337 | REG _MINUS_ASSIGN expr
1339 if (IS_IREG ($1) && EXPR_VALUE ($3) == 4)
1341 notethat ("dagMODik: iregs -= 4\n");
1342 $$ = DAGMODIK (&$1, 3);
1344 else if (IS_IREG ($1) && EXPR_VALUE ($3) == 2)
1346 notethat ("dagMODik: iregs -= 2\n");
1347 $$ = DAGMODIK (&$1, 1);
1350 return yyerror ("Register or value mismatch");
1353 | REG _PLUS_ASSIGN REG LPAREN BREV RPAREN
1355 if (IS_IREG ($1) && IS_MREG ($3))
1357 notethat ("dagMODim: iregs += mregs (opt_brev)\n");
1359 $$ = DAGMODIM (&$1, &$3, 0, 1);
1361 else if (IS_PREG ($1) && IS_PREG ($3))
1363 notethat ("PTR2op: pregs += pregs (BREV )\n");
1364 $$ = PTR2OP (&$1, &$3, 5);
1367 return yyerror ("Register mismatch");
1370 | REG _MINUS_ASSIGN REG
1372 if (IS_IREG ($1) && IS_MREG ($3))
1374 notethat ("dagMODim: iregs -= mregs\n");
1375 $$ = DAGMODIM (&$1, &$3, 1, 0);
1377 else if (IS_PREG ($1) && IS_PREG ($3))
1379 notethat ("PTR2op: pregs -= pregs\n");
1380 $$ = PTR2OP (&$1, &$3, 0);
1383 return yyerror ("Register mismatch");
1386 | REG_A _PLUS_ASSIGN REG_A w32_or_nothing
1388 if (!IS_A1 ($1) && IS_A1 ($3))
1390 notethat ("dsp32alu: A0 += A1 (W32)\n");
1391 $$ = DSP32ALU (11, 0, 0, 0, 0, 0, $4.r0, 0, 2);
1394 return yyerror ("Register mismatch");
1397 | REG _PLUS_ASSIGN REG
1399 if (IS_IREG ($1) && IS_MREG ($3))
1401 notethat ("dagMODim: iregs += mregs\n");
1402 $$ = DAGMODIM (&$1, &$3, 0, 0);
1405 return yyerror ("iregs += mregs expected");
1408 | REG _PLUS_ASSIGN expr
1412 if (EXPR_VALUE ($3) == 4)
1414 notethat ("dagMODik: iregs += 4\n");
1415 $$ = DAGMODIK (&$1, 2);
1417 else if (EXPR_VALUE ($3) == 2)
1419 notethat ("dagMODik: iregs += 2\n");
1420 $$ = DAGMODIK (&$1, 0);
1423 return yyerror ("iregs += [ 2 | 4 ");
1425 else if (IS_PREG ($1) && IS_IMM ($3, 7))
1427 notethat ("COMPI2opP: pregs += imm7\n");
1428 $$ = COMPI2OPP (&$1, imm7 ($3), 1);
1430 else if (IS_DREG ($1) && IS_IMM ($3, 7))
1432 notethat ("COMPI2opD: dregs += imm7\n");
1433 $$ = COMPI2OPD (&$1, imm7 ($3), 1);
1435 else if ((IS_DREG ($1) || IS_PREG ($1)) && IS_CONST ($3))
1436 return yyerror ("Immediate value out of range");
1438 return yyerror ("Register mismatch");
1441 | REG _STAR_ASSIGN REG
1443 if (IS_DREG ($1) && IS_DREG ($3))
1445 notethat ("ALU2op: dregs *= dregs\n");
1446 $$ = ALU2OP (&$1, &$3, 3);
1449 return yyerror ("Register mismatch");
1452 | SAA LPAREN REG COLON expr COMMA REG COLON expr RPAREN aligndir
1454 if (!valid_dreg_pair (&$3, $5))
1455 return yyerror ("Bad dreg pair");
1456 else if (!valid_dreg_pair (&$7, $9))
1457 return yyerror ("Bad dreg pair");
1460 notethat ("dsp32alu: SAA (dregs_pair , dregs_pair ) (aligndir)\n");
1461 $$ = DSP32ALU (18, 0, 0, 0, &$3, &$7, $11.r0, 0, 0);
1465 | a_assign REG_A LPAREN S RPAREN COMMA a_assign REG_A LPAREN S RPAREN
1467 if (REG_SAME ($1, $2) && REG_SAME ($7, $8) && !REG_SAME ($1, $7))
1469 notethat ("dsp32alu: A1 = A1 (S) , A0 = A0 (S)\n");
1470 $$ = DSP32ALU (8, 0, 0, 0, 0, 0, 1, 0, 2);
1473 return yyerror ("Register mismatch");
1476 | REG ASSIGN LPAREN REG PLUS REG RPAREN LESS_LESS expr
1478 if (IS_DREG ($1) && IS_DREG ($4) && IS_DREG ($6)
1479 && REG_SAME ($1, $4))
1481 if (EXPR_VALUE ($9) == 1)
1483 notethat ("ALU2op: dregs = (dregs + dregs) << 1\n");
1484 $$ = ALU2OP (&$1, &$6, 4);
1486 else if (EXPR_VALUE ($9) == 2)
1488 notethat ("ALU2op: dregs = (dregs + dregs) << 2\n");
1489 $$ = ALU2OP (&$1, &$6, 5);
1492 return yyerror ("Bad shift value");
1494 else if (IS_PREG ($1) && IS_PREG ($4) && IS_PREG ($6)
1495 && REG_SAME ($1, $4))
1497 if (EXPR_VALUE ($9) == 1)
1499 notethat ("PTR2op: pregs = (pregs + pregs) << 1\n");
1500 $$ = PTR2OP (&$1, &$6, 6);
1502 else if (EXPR_VALUE ($9) == 2)
1504 notethat ("PTR2op: pregs = (pregs + pregs) << 2\n");
1505 $$ = PTR2OP (&$1, &$6, 7);
1508 return yyerror ("Bad shift value");
1511 return yyerror ("Register mismatch");
1515 | REG ASSIGN REG BAR REG
1517 if (IS_DREG ($1) && IS_DREG ($3) && IS_DREG ($5))
1519 notethat ("COMP3op: dregs = dregs | dregs\n");
1520 $$ = COMP3OP (&$1, &$3, &$5, 3);
1523 return yyerror ("Dregs expected");
1525 | REG ASSIGN REG CARET REG
1527 if (IS_DREG ($1) && IS_DREG ($3) && IS_DREG ($5))
1529 notethat ("COMP3op: dregs = dregs ^ dregs\n");
1530 $$ = COMP3OP (&$1, &$3, &$5, 4);
1533 return yyerror ("Dregs expected");
1535 | REG ASSIGN REG PLUS LPAREN REG LESS_LESS expr RPAREN
1537 if (IS_PREG ($1) && IS_PREG ($3) && IS_PREG ($6))
1539 if (EXPR_VALUE ($8) == 1)
1541 notethat ("COMP3op: pregs = pregs + (pregs << 1)\n");
1542 $$ = COMP3OP (&$1, &$3, &$6, 6);
1544 else if (EXPR_VALUE ($8) == 2)
1546 notethat ("COMP3op: pregs = pregs + (pregs << 2)\n");
1547 $$ = COMP3OP (&$1, &$3, &$6, 7);
1550 return yyerror ("Bad shift value");
1553 return yyerror ("Dregs expected");
1555 | CCREG ASSIGN REG_A _ASSIGN_ASSIGN REG_A
1557 if (!REG_SAME ($3, $5))
1559 notethat ("CCflag: CC = A0 == A1\n");
1560 $$ = CCFLAG (0, 0, 5, 0, 0);
1563 return yyerror ("CC register expected");
1565 | CCREG ASSIGN REG_A LESS_THAN REG_A
1567 if (!REG_SAME ($3, $5))
1569 notethat ("CCflag: CC = A0 < A1\n");
1570 $$ = CCFLAG (0, 0, 6, 0, 0);
1573 return yyerror ("Register mismatch");
1575 | CCREG ASSIGN REG LESS_THAN REG iu_or_nothing
1577 if (REG_CLASS($3) == REG_CLASS($5))
1579 notethat ("CCflag: CC = dpregs < dpregs\n");
1580 $$ = CCFLAG (&$3, $5.regno & CODE_MASK, $6.r0, 0, IS_PREG ($3) ? 1 : 0);
1583 return yyerror ("Compare only of same register class");
1585 | CCREG ASSIGN REG LESS_THAN expr iu_or_nothing
1587 if (($6.r0 == 1 && IS_IMM ($5, 3))
1588 || ($6.r0 == 3 && IS_UIMM ($5, 3)))
1590 notethat ("CCflag: CC = dpregs < (u)imm3\n");
1591 $$ = CCFLAG (&$3, imm3 ($5), $6.r0, 1, IS_PREG ($3) ? 1 : 0);
1594 return yyerror ("Bad constant value");
1596 | CCREG ASSIGN REG _ASSIGN_ASSIGN REG
1598 if (REG_CLASS($3) == REG_CLASS($5))
1600 notethat ("CCflag: CC = dpregs == dpregs\n");
1601 $$ = CCFLAG (&$3, $5.regno & CODE_MASK, 0, 0, IS_PREG ($3) ? 1 : 0);
1604 | CCREG ASSIGN REG _ASSIGN_ASSIGN expr
1608 notethat ("CCflag: CC = dpregs == imm3\n");
1609 $$ = CCFLAG (&$3, imm3 ($5), 0, 1, IS_PREG ($3) ? 1 : 0);
1612 return yyerror ("Bad constant range");
1614 | CCREG ASSIGN REG_A _LESS_THAN_ASSIGN REG_A
1616 if (!REG_SAME ($3, $5))
1618 notethat ("CCflag: CC = A0 <= A1\n");
1619 $$ = CCFLAG (0, 0, 7, 0, 0);
1622 return yyerror ("CC register expected");
1624 | CCREG ASSIGN REG _LESS_THAN_ASSIGN REG iu_or_nothing
1626 if (REG_CLASS($3) == REG_CLASS($5))
1628 notethat ("CCflag: CC = pregs <= pregs (..)\n");
1629 $$ = CCFLAG (&$3, $5.regno & CODE_MASK,
1630 1 + $6.r0, 0, IS_PREG ($3) ? 1 : 0);
1633 return yyerror ("Compare only of same register class");
1635 | CCREG ASSIGN REG _LESS_THAN_ASSIGN expr iu_or_nothing
1637 if (($6.r0 == 1 && IS_IMM ($5, 3))
1638 || ($6.r0 == 3 && IS_UIMM ($5, 3)))
1642 notethat ("CCflag: CC = dregs <= (u)imm3\n");
1644 $$ = CCFLAG (&$3, imm3 ($5), 1 + $6.r0, 1, 0);
1646 else if (IS_PREG ($3))
1648 notethat ("CCflag: CC = pregs <= (u)imm3\n");
1650 $$ = CCFLAG (&$3, imm3 ($5), 1 + $6.r0, 1, 1);
1653 return yyerror ("Dreg or Preg expected");
1656 return yyerror ("Bad constant value");
1659 | REG ASSIGN REG AMPERSAND REG
1661 if (IS_DREG ($1) && IS_DREG ($3) && IS_DREG ($5))
1663 notethat ("COMP3op: dregs = dregs & dregs\n");
1664 $$ = COMP3OP (&$1, &$3, &$5, 2);
1667 return yyerror ("Dregs expected");
1672 notethat ("CC2stat operation\n");
1673 $$ = bfin_gen_cc2stat ($1.r0, $1.x0, $1.s0);
1678 if (IS_ALLREG ($1) && IS_ALLREG ($3))
1680 notethat ("REGMV: allregs = allregs\n");
1681 $$ = bfin_gen_regmv (&$3, &$1);
1684 return yyerror ("Register mismatch");
1691 notethat ("CC2dreg: CC = dregs\n");
1692 $$ = bfin_gen_cc2dreg (1, &$3);
1695 return yyerror ("Register mismatch");
1702 notethat ("CC2dreg: dregs = CC\n");
1703 $$ = bfin_gen_cc2dreg (0, &$1);
1706 return yyerror ("Register mismatch");
1709 | CCREG _ASSIGN_BANG CCREG
1711 notethat ("CC2dreg: CC =! CC\n");
1712 $$ = bfin_gen_cc2dreg (3, 0);
1717 | HALF_REG ASSIGN multiply_halfregs opt_mode
1719 notethat ("dsp32mult: dregs_half = multiply_halfregs (opt_mode)\n");
1721 if (!IS_H ($1) && $4.MM)
1722 return yyerror ("(M) not allowed with MAC0");
1726 $$ = DSP32MULT (0, $4.MM, $4.mod, 1, 0,
1727 IS_H ($3.s0), IS_H ($3.s1), 0, 0,
1728 &$1, 0, &$3.s0, &$3.s1, 0);
1732 $$ = DSP32MULT (0, 0, $4.mod, 0, 0,
1733 0, 0, IS_H ($3.s0), IS_H ($3.s1),
1734 &$1, 0, &$3.s0, &$3.s1, 1);
1738 | REG ASSIGN multiply_halfregs opt_mode
1740 /* Odd registers can use (M). */
1742 return yyerror ("Dreg expected");
1744 if (IS_EVEN ($1) && $4.MM)
1745 return yyerror ("(M) not allowed with MAC0");
1749 notethat ("dsp32mult: dregs = multiply_halfregs (opt_mode)\n");
1751 $$ = DSP32MULT (0, $4.MM, $4.mod, 1, 1,
1752 IS_H ($3.s0), IS_H ($3.s1), 0, 0,
1753 &$1, 0, &$3.s0, &$3.s1, 0);
1757 notethat ("dsp32mult: dregs = multiply_halfregs opt_mode\n");
1758 $$ = DSP32MULT (0, 0, $4.mod, 0, 1,
1759 0, 0, IS_H ($3.s0), IS_H ($3.s1),
1760 &$1, 0, &$3.s0, &$3.s1, 1);
1764 | HALF_REG ASSIGN multiply_halfregs opt_mode COMMA
1765 HALF_REG ASSIGN multiply_halfregs opt_mode
1767 if (!IS_DREG ($1) || !IS_DREG ($6))
1768 return yyerror ("Dregs expected");
1770 if (!IS_HCOMPL($1, $6))
1771 return yyerror ("Dest registers mismatch");
1773 if (check_multiply_halfregs (&$3, &$8) < 0)
1776 if ((!IS_H ($1) && $4.MM)
1777 || (!IS_H ($6) && $9.MM))
1778 return yyerror ("(M) not allowed with MAC0");
1780 notethat ("dsp32mult: dregs_hi = multiply_halfregs mxd_mod, "
1781 "dregs_lo = multiply_halfregs opt_mode\n");
1784 $$ = DSP32MULT (0, $4.MM, $9.mod, 1, 0,
1785 IS_H ($3.s0), IS_H ($3.s1), IS_H ($8.s0), IS_H ($8.s1),
1786 &$1, 0, &$3.s0, &$3.s1, 1);
1788 $$ = DSP32MULT (0, $9.MM, $9.mod, 1, 0,
1789 IS_H ($8.s0), IS_H ($8.s1), IS_H ($3.s0), IS_H ($3.s1),
1790 &$1, 0, &$3.s0, &$3.s1, 1);
1793 | REG ASSIGN multiply_halfregs opt_mode COMMA REG ASSIGN multiply_halfregs opt_mode
1795 if (!IS_DREG ($1) || !IS_DREG ($6))
1796 return yyerror ("Dregs expected");
1798 if ((IS_EVEN ($1) && $6.regno - $1.regno != 1)
1799 || (IS_EVEN ($6) && $1.regno - $6.regno != 1))
1800 return yyerror ("Dest registers mismatch");
1802 if (check_multiply_halfregs (&$3, &$8) < 0)
1805 if ((IS_EVEN ($1) && $4.MM)
1806 || (IS_EVEN ($6) && $9.MM))
1807 return yyerror ("(M) not allowed with MAC0");
1809 notethat ("dsp32mult: dregs = multiply_halfregs mxd_mod, "
1810 "dregs = multiply_halfregs opt_mode\n");
1813 $$ = DSP32MULT (0, $9.MM, $9.mod, 1, 1,
1814 IS_H ($8.s0), IS_H ($8.s1), IS_H ($3.s0), IS_H ($3.s1),
1815 &$1, 0, &$3.s0, &$3.s1, 1);
1817 $$ = DSP32MULT (0, $4.MM, $9.mod, 1, 1,
1818 IS_H ($3.s0), IS_H ($3.s1), IS_H ($8.s0), IS_H ($8.s1),
1819 &$1, 0, &$3.s0, &$3.s1, 1);
1824 | a_assign ASHIFT REG_A BY HALF_REG
1826 if (!REG_SAME ($1, $3))
1827 return yyerror ("Aregs must be same");
1829 if (IS_DREG ($5) && !IS_H ($5))
1831 notethat ("dsp32shift: A0 = ASHIFT A0 BY dregs_lo\n");
1832 $$ = DSP32SHIFT (3, 0, &$5, 0, 0, IS_A1 ($1));
1835 return yyerror ("Dregs expected");
1838 | HALF_REG ASSIGN ASHIFT HALF_REG BY HALF_REG smod
1840 if (IS_DREG ($6) && !IS_H ($6))
1842 notethat ("dsp32shift: dregs_half = ASHIFT dregs_half BY dregs_lo\n");
1843 $$ = DSP32SHIFT (0, &$1, &$6, &$4, $7.s0, HL2 ($1, $4));
1846 return yyerror ("Dregs expected");
1849 | a_assign REG_A LESS_LESS expr
1851 if (!REG_SAME ($1, $2))
1852 return yyerror ("Aregs must be same");
1854 if (IS_UIMM ($4, 5))
1856 notethat ("dsp32shiftimm: A0 = A0 << uimm5\n");
1857 $$ = DSP32SHIFTIMM (3, 0, imm5 ($4), 0, 0, IS_A1 ($1));
1860 return yyerror ("Bad shift value");
1863 | REG ASSIGN REG LESS_LESS expr vsmod
1865 if (IS_DREG ($1) && IS_DREG ($3) && IS_UIMM ($5, 5))
1870 notethat ("dsp32shiftimm: dregs = dregs << expr (V, .)\n");
1871 $$ = DSP32SHIFTIMM (1, &$1, imm4 ($5), &$3, $6.s0 ? 1 : 2, 0);
1875 notethat ("dsp32shiftimm: dregs = dregs << uimm5 (.)\n");
1876 $$ = DSP32SHIFTIMM (2, &$1, imm6 ($5), &$3, $6.s0 ? 1 : 2, 0);
1879 else if ($6.s0 == 0 && IS_PREG ($1) && IS_PREG ($3))
1881 if (EXPR_VALUE ($5) == 2)
1883 notethat ("PTR2op: pregs = pregs << 2\n");
1884 $$ = PTR2OP (&$1, &$3, 1);
1886 else if (EXPR_VALUE ($5) == 1)
1888 notethat ("COMP3op: pregs = pregs << 1\n");
1889 $$ = COMP3OP (&$1, &$3, &$3, 5);
1892 return yyerror ("Bad shift value");
1895 return yyerror ("Bad shift value or register");
1897 | HALF_REG ASSIGN HALF_REG LESS_LESS expr
1899 if (IS_UIMM ($5, 4))
1901 notethat ("dsp32shiftimm: dregs_half = dregs_half << uimm4\n");
1902 $$ = DSP32SHIFTIMM (0x0, &$1, imm5 ($5), &$3, 2, HL2 ($1, $3));
1905 return yyerror ("Bad shift value");
1907 | HALF_REG ASSIGN HALF_REG LESS_LESS expr smod
1909 if (IS_UIMM ($5, 4))
1911 notethat ("dsp32shiftimm: dregs_half = dregs_half << uimm4\n");
1912 $$ = DSP32SHIFTIMM (0x0, &$1, imm5 ($5), &$3, $6.s0, HL2 ($1, $3));
1915 return yyerror ("Bad shift value");
1917 | REG ASSIGN ASHIFT REG BY HALF_REG vsmod
1921 if (IS_DREG ($1) && IS_DREG ($4) && IS_DREG ($6) && !IS_H ($6))
1926 notethat ("dsp32shift: dregs = ASHIFT dregs BY "
1927 "dregs_lo (V, .)\n");
1933 notethat ("dsp32shift: dregs = ASHIFT dregs BY dregs_lo (.)\n");
1935 $$ = DSP32SHIFT (op, &$1, &$6, &$4, $7.s0, 0);
1938 return yyerror ("Dregs expected");
1942 | HALF_REG ASSIGN EXPADJ LPAREN REG COMMA HALF_REG RPAREN vmod
1944 if (IS_DREG_L ($1) && IS_DREG_L ($5) && IS_DREG_L ($7))
1946 notethat ("dsp32shift: dregs_lo = EXPADJ (dregs , dregs_lo )\n");
1947 $$ = DSP32SHIFT (7, &$1, &$7, &$5, $9.r0, 0);
1950 return yyerror ("Bad shift value or register");
1954 | HALF_REG ASSIGN EXPADJ LPAREN HALF_REG COMMA HALF_REG RPAREN
1956 if (IS_DREG_L ($1) && IS_DREG_L ($5) && IS_DREG_L ($7))
1958 notethat ("dsp32shift: dregs_lo = EXPADJ (dregs_lo, dregs_lo)\n");
1959 $$ = DSP32SHIFT (7, &$1, &$7, &$5, 2, 0);
1961 else if (IS_DREG_L ($1) && IS_DREG_H ($5) && IS_DREG_L ($7))
1963 notethat ("dsp32shift: dregs_lo = EXPADJ (dregs_hi, dregs_lo)\n");
1964 $$ = DSP32SHIFT (7, &$1, &$7, &$5, 3, 0);
1967 return yyerror ("Bad shift value or register");
1972 | REG ASSIGN DEPOSIT LPAREN REG COMMA REG RPAREN
1974 if (IS_DREG ($1) && IS_DREG ($5) && IS_DREG ($7))
1976 notethat ("dsp32shift: dregs = DEPOSIT (dregs , dregs )\n");
1977 $$ = DSP32SHIFT (10, &$1, &$7, &$5, 2, 0);
1980 return yyerror ("Register mismatch");
1983 | REG ASSIGN DEPOSIT LPAREN REG COMMA REG RPAREN LPAREN X RPAREN
1985 if (IS_DREG ($1) && IS_DREG ($5) && IS_DREG ($7))
1987 notethat ("dsp32shift: dregs = DEPOSIT (dregs , dregs ) (X)\n");
1988 $$ = DSP32SHIFT (10, &$1, &$7, &$5, 3, 0);
1991 return yyerror ("Register mismatch");
1994 | REG ASSIGN EXTRACT LPAREN REG COMMA HALF_REG RPAREN xpmod
1996 if (IS_DREG ($1) && IS_DREG ($5) && IS_DREG_L ($7))
1998 notethat ("dsp32shift: dregs = EXTRACT (dregs, dregs_lo ) (.)\n");
1999 $$ = DSP32SHIFT (10, &$1, &$7, &$5, $9.r0, 0);
2002 return yyerror ("Register mismatch");
2005 | a_assign REG_A _GREATER_GREATER_GREATER expr
2007 if (!REG_SAME ($1, $2))
2008 return yyerror ("Aregs must be same");
2010 if (IS_UIMM ($4, 5))
2012 notethat ("dsp32shiftimm: Ax = Ax >>> uimm5\n");
2013 $$ = DSP32SHIFTIMM (3, 0, -imm6 ($4), 0, 0, IS_A1 ($1));
2016 return yyerror ("Shift value range error");
2018 | a_assign LSHIFT REG_A BY HALF_REG
2020 if (REG_SAME ($1, $3) && IS_DREG_L ($5))
2022 notethat ("dsp32shift: Ax = LSHIFT Ax BY dregs_lo\n");
2023 $$ = DSP32SHIFT (3, 0, &$5, 0, 1, IS_A1 ($1));
2026 return yyerror ("Register mismatch");
2029 | HALF_REG ASSIGN LSHIFT HALF_REG BY HALF_REG
2031 if (IS_DREG ($1) && IS_DREG ($4) && IS_DREG_L ($6))
2033 notethat ("dsp32shift: dregs_lo = LSHIFT dregs_hi BY dregs_lo\n");
2034 $$ = DSP32SHIFT (0, &$1, &$6, &$4, 2, HL2 ($1, $4));
2037 return yyerror ("Register mismatch");
2040 | REG ASSIGN LSHIFT REG BY HALF_REG vmod
2042 if (IS_DREG ($1) && IS_DREG ($4) && IS_DREG_L ($6))
2044 notethat ("dsp32shift: dregs = LSHIFT dregs BY dregs_lo (V )\n");
2045 $$ = DSP32SHIFT ($7.r0 ? 1: 2, &$1, &$6, &$4, 2, 0);
2048 return yyerror ("Register mismatch");
2051 | REG ASSIGN SHIFT REG BY HALF_REG
2053 if (IS_DREG ($1) && IS_DREG ($4) && IS_DREG_L ($6))
2055 notethat ("dsp32shift: dregs = SHIFT dregs BY dregs_lo\n");
2056 $$ = DSP32SHIFT (2, &$1, &$6, &$4, 2, 0);
2059 return yyerror ("Register mismatch");
2062 | a_assign REG_A GREATER_GREATER expr
2064 if (REG_SAME ($1, $2) && IS_IMM ($4, 6) >= 0)
2066 notethat ("dsp32shiftimm: Ax = Ax >> imm6\n");
2067 $$ = DSP32SHIFTIMM (3, 0, -imm6 ($4), 0, 1, IS_A1 ($1));
2070 return yyerror ("Accu register expected");
2073 | REG ASSIGN REG GREATER_GREATER expr vmod
2077 if (IS_DREG ($1) && IS_DREG ($3) && IS_UIMM ($5, 5))
2079 notethat ("dsp32shiftimm: dregs = dregs >> uimm5 (V)\n");
2080 $$ = DSP32SHIFTIMM (1, &$1, -uimm5 ($5), &$3, 2, 0);
2083 return yyerror ("Register mismatch");
2087 if (IS_DREG ($1) && IS_DREG ($3) && IS_UIMM ($5, 5))
2089 notethat ("dsp32shiftimm: dregs = dregs >> uimm5\n");
2090 $$ = DSP32SHIFTIMM (2, &$1, -imm6 ($5), &$3, 2, 0);
2092 else if (IS_PREG ($1) && IS_PREG ($3) && EXPR_VALUE ($5) == 2)
2094 notethat ("PTR2op: pregs = pregs >> 2\n");
2095 $$ = PTR2OP (&$1, &$3, 3);
2097 else if (IS_PREG ($1) && IS_PREG ($3) && EXPR_VALUE ($5) == 1)
2099 notethat ("PTR2op: pregs = pregs >> 1\n");
2100 $$ = PTR2OP (&$1, &$3, 4);
2103 return yyerror ("Register mismatch");
2106 | HALF_REG ASSIGN HALF_REG GREATER_GREATER expr
2108 if (IS_UIMM ($5, 5))
2110 notethat ("dsp32shiftimm: dregs_half = dregs_half >> uimm5\n");
2111 $$ = DSP32SHIFTIMM (0, &$1, -uimm5 ($5), &$3, 2, HL2 ($1, $3));
2114 return yyerror ("Register mismatch");
2116 | HALF_REG ASSIGN HALF_REG _GREATER_GREATER_GREATER expr smod
2118 if (IS_UIMM ($5, 5))
2120 notethat ("dsp32shiftimm: dregs_half = dregs_half >>> uimm5\n");
2121 $$ = DSP32SHIFTIMM (0, &$1, -uimm5 ($5), &$3,
2122 $6.s0, HL2 ($1, $3));
2125 return yyerror ("Register or modifier mismatch");
2129 | REG ASSIGN REG _GREATER_GREATER_GREATER expr vsmod
2131 if (IS_DREG ($1) && IS_DREG ($3) && IS_UIMM ($5, 5))
2136 notethat ("dsp32shiftimm: dregs = dregs >>> uimm5 (V, .)\n");
2137 $$ = DSP32SHIFTIMM (1, &$1, -uimm5 ($5), &$3, $6.s0, 0);
2141 notethat ("dsp32shiftimm: dregs = dregs >>> uimm5 (.)\n");
2142 $$ = DSP32SHIFTIMM (2, &$1, -uimm5 ($5), &$3, $6.s0, 0);
2146 return yyerror ("Register mismatch");
2149 | HALF_REG ASSIGN ONES REG
2151 if (IS_DREG_L ($1) && IS_DREG ($4))
2153 notethat ("dsp32shift: dregs_lo = ONES dregs\n");
2154 $$ = DSP32SHIFT (6, &$1, 0, &$4, 3, 0);
2157 return yyerror ("Register mismatch");
2160 | REG ASSIGN PACK LPAREN HALF_REG COMMA HALF_REG RPAREN
2162 if (IS_DREG ($1) && IS_DREG ($5) && IS_DREG ($7))
2164 notethat ("dsp32shift: dregs = PACK (dregs_hi , dregs_hi )\n");
2165 $$ = DSP32SHIFT (4, &$1, &$7, &$5, HL2 ($5, $7), 0);
2168 return yyerror ("Register mismatch");
2171 | HALF_REG ASSIGN CCREG ASSIGN BXORSHIFT LPAREN REG_A COMMA REG RPAREN
2174 && $7.regno == REG_A0
2175 && IS_DREG ($9) && !IS_H ($1) && !IS_A1 ($7))
2177 notethat ("dsp32shift: dregs_lo = CC = BXORSHIFT (A0 , dregs )\n");
2178 $$ = DSP32SHIFT (11, &$1, &$9, 0, 0, 0);
2181 return yyerror ("Register mismatch");
2184 | HALF_REG ASSIGN CCREG ASSIGN BXOR LPAREN REG_A COMMA REG RPAREN
2187 && $7.regno == REG_A0
2188 && IS_DREG ($9) && !IS_H ($1) && !IS_A1 ($7))
2190 notethat ("dsp32shift: dregs_lo = CC = BXOR (A0 , dregs)\n");
2191 $$ = DSP32SHIFT (11, &$1, &$9, 0, 1, 0);
2194 return yyerror ("Register mismatch");
2197 | HALF_REG ASSIGN CCREG ASSIGN BXOR LPAREN REG_A COMMA REG_A COMMA CCREG RPAREN
2199 if (IS_DREG ($1) && !IS_H ($1) && !REG_SAME ($7, $9))
2201 notethat ("dsp32shift: dregs_lo = CC = BXOR (A0 , A1 , CC)\n");
2202 $$ = DSP32SHIFT (12, &$1, 0, 0, 1, 0);
2205 return yyerror ("Register mismatch");
2208 | a_assign ROT REG_A BY HALF_REG
2210 if (REG_SAME ($1, $3) && IS_DREG_L ($5))
2212 notethat ("dsp32shift: Ax = ROT Ax BY dregs_lo\n");
2213 $$ = DSP32SHIFT (3, 0, &$5, 0, 2, IS_A1 ($1));
2216 return yyerror ("Register mismatch");
2219 | REG ASSIGN ROT REG BY HALF_REG
2221 if (IS_DREG ($1) && IS_DREG ($4) && IS_DREG_L ($6))
2223 notethat ("dsp32shift: dregs = ROT dregs BY dregs_lo\n");
2224 $$ = DSP32SHIFT (2, &$1, &$6, &$4, 3, 0);
2227 return yyerror ("Register mismatch");
2230 | a_assign ROT REG_A BY expr
2234 notethat ("dsp32shiftimm: An = ROT An BY imm6\n");
2235 $$ = DSP32SHIFTIMM (3, 0, imm6 ($5), 0, 2, IS_A1 ($1));
2238 return yyerror ("Register mismatch");
2241 | REG ASSIGN ROT REG BY expr
2243 if (IS_DREG ($1) && IS_DREG ($4) && IS_IMM ($6, 6))
2245 $$ = DSP32SHIFTIMM (2, &$1, imm6 ($6), &$4, 3, IS_A1 ($1));
2248 return yyerror ("Register mismatch");
2251 | HALF_REG ASSIGN SIGNBITS REG_A
2255 notethat ("dsp32shift: dregs_lo = SIGNBITS An\n");
2256 $$ = DSP32SHIFT (6, &$1, 0, 0, IS_A1 ($4), 0);
2259 return yyerror ("Register mismatch");
2262 | HALF_REG ASSIGN SIGNBITS REG
2264 if (IS_DREG_L ($1) && IS_DREG ($4))
2266 notethat ("dsp32shift: dregs_lo = SIGNBITS dregs\n");
2267 $$ = DSP32SHIFT (5, &$1, 0, &$4, 0, 0);
2270 return yyerror ("Register mismatch");
2273 | HALF_REG ASSIGN SIGNBITS HALF_REG
2277 notethat ("dsp32shift: dregs_lo = SIGNBITS dregs_lo\n");
2278 $$ = DSP32SHIFT (5, &$1, 0, &$4, 1 + IS_H ($4), 0);
2281 return yyerror ("Register mismatch");
2284 /* The ASR bit is just inverted here. */
2285 | HALF_REG ASSIGN VIT_MAX LPAREN REG RPAREN asr_asl
2287 if (IS_DREG_L ($1) && IS_DREG ($5))
2289 notethat ("dsp32shift: dregs_lo = VIT_MAX (dregs) (..)\n");
2290 $$ = DSP32SHIFT (9, &$1, 0, &$5, ($7.r0 ? 0 : 1), 0);
2293 return yyerror ("Register mismatch");
2296 | REG ASSIGN VIT_MAX LPAREN REG COMMA REG RPAREN asr_asl
2298 if (IS_DREG ($1) && IS_DREG ($5) && IS_DREG ($7))
2300 notethat ("dsp32shift: dregs = VIT_MAX (dregs, dregs) (ASR)\n");
2301 $$ = DSP32SHIFT (9, &$1, &$7, &$5, 2 | ($9.r0 ? 0 : 1), 0);
2304 return yyerror ("Register mismatch");
2307 | BITMUX LPAREN REG COMMA REG COMMA REG_A RPAREN asr_asl
2309 if (IS_DREG ($3) && IS_DREG ($5) && !IS_A1 ($7))
2311 notethat ("dsp32shift: BITMUX (dregs , dregs , A0) (ASR)\n");
2312 $$ = DSP32SHIFT (8, 0, &$3, &$5, $9.r0, 0);
2315 return yyerror ("Register mismatch");
2318 | a_assign BXORSHIFT LPAREN REG_A COMMA REG_A COMMA CCREG RPAREN
2320 if (!IS_A1 ($1) && !IS_A1 ($4) && IS_A1 ($6))
2322 notethat ("dsp32shift: A0 = BXORSHIFT (A0 , A1 , CC )\n");
2323 $$ = DSP32SHIFT (12, 0, 0, 0, 0, 0);
2326 return yyerror ("Dregs expected");
2330 /* LOGI2op: BITCLR (dregs, uimm5). */
2331 | BITCLR LPAREN REG COMMA expr RPAREN
2333 if (IS_DREG ($3) && IS_UIMM ($5, 5))
2335 notethat ("LOGI2op: BITCLR (dregs , uimm5 )\n");
2336 $$ = LOGI2OP ($3, uimm5 ($5), 4);
2339 return yyerror ("Register mismatch");
2342 /* LOGI2op: BITSET (dregs, uimm5). */
2343 | BITSET LPAREN REG COMMA expr RPAREN
2345 if (IS_DREG ($3) && IS_UIMM ($5, 5))
2347 notethat ("LOGI2op: BITCLR (dregs , uimm5 )\n");
2348 $$ = LOGI2OP ($3, uimm5 ($5), 2);
2351 return yyerror ("Register mismatch");
2354 /* LOGI2op: BITTGL (dregs, uimm5). */
2355 | BITTGL LPAREN REG COMMA expr RPAREN
2357 if (IS_DREG ($3) && IS_UIMM ($5, 5))
2359 notethat ("LOGI2op: BITCLR (dregs , uimm5 )\n");
2360 $$ = LOGI2OP ($3, uimm5 ($5), 3);
2363 return yyerror ("Register mismatch");
2366 | CCREG _ASSIGN_BANG BITTST LPAREN REG COMMA expr RPAREN
2368 if (IS_DREG ($5) && IS_UIMM ($7, 5))
2370 notethat ("LOGI2op: CC =! BITTST (dregs , uimm5 )\n");
2371 $$ = LOGI2OP ($5, uimm5 ($7), 0);
2374 return yyerror ("Register mismatch or value error");
2377 | CCREG ASSIGN BITTST LPAREN REG COMMA expr RPAREN
2379 if (IS_DREG ($5) && IS_UIMM ($7, 5))
2381 notethat ("LOGI2op: CC = BITTST (dregs , uimm5 )\n");
2382 $$ = LOGI2OP ($5, uimm5 ($7), 1);
2385 return yyerror ("Register mismatch or value error");
2388 | IF BANG CCREG REG ASSIGN REG
2390 if ((IS_DREG ($4) || IS_PREG ($4))
2391 && (IS_DREG ($6) || IS_PREG ($6)))
2393 notethat ("ccMV: IF ! CC gregs = gregs\n");
2394 $$ = CCMV (&$6, &$4, 0);
2397 return yyerror ("Register mismatch");
2400 | IF CCREG REG ASSIGN REG
2402 if ((IS_DREG ($5) || IS_PREG ($5))
2403 && (IS_DREG ($3) || IS_PREG ($3)))
2405 notethat ("ccMV: IF CC gregs = gregs\n");
2406 $$ = CCMV (&$5, &$3, 1);
2409 return yyerror ("Register mismatch");
2412 | IF BANG CCREG JUMP expr
2414 if (IS_PCREL10 ($5))
2416 notethat ("BRCC: IF !CC JUMP pcrel11m2\n");
2417 $$ = BRCC (0, 0, $5);
2420 return yyerror ("Bad jump offset");
2423 | IF BANG CCREG JUMP expr LPAREN BP RPAREN
2425 if (IS_PCREL10 ($5))
2427 notethat ("BRCC: IF !CC JUMP pcrel11m2\n");
2428 $$ = BRCC (0, 1, $5);
2431 return yyerror ("Bad jump offset");
2434 | IF CCREG JUMP expr
2436 if (IS_PCREL10 ($4))
2438 notethat ("BRCC: IF CC JUMP pcrel11m2\n");
2439 $$ = BRCC (1, 0, $4);
2442 return yyerror ("Bad jump offset");
2445 | IF CCREG JUMP expr LPAREN BP RPAREN
2447 if (IS_PCREL10 ($4))
2449 notethat ("BRCC: IF !CC JUMP pcrel11m2\n");
2450 $$ = BRCC (1, 1, $4);
2453 return yyerror ("Bad jump offset");
2457 notethat ("ProgCtrl: NOP\n");
2458 $$ = PROGCTRL (0, 0);
2463 notethat ("ProgCtrl: RTS\n");
2464 $$ = PROGCTRL (1, 0);
2469 notethat ("ProgCtrl: RTI\n");
2470 $$ = PROGCTRL (1, 1);
2475 notethat ("ProgCtrl: RTX\n");
2476 $$ = PROGCTRL (1, 2);
2481 notethat ("ProgCtrl: RTN\n");
2482 $$ = PROGCTRL (1, 3);
2487 notethat ("ProgCtrl: RTE\n");
2488 $$ = PROGCTRL (1, 4);
2493 notethat ("ProgCtrl: IDLE\n");
2494 $$ = PROGCTRL (2, 0);
2499 notethat ("ProgCtrl: CSYNC\n");
2500 $$ = PROGCTRL (2, 3);
2505 notethat ("ProgCtrl: SSYNC\n");
2506 $$ = PROGCTRL (2, 4);
2511 notethat ("ProgCtrl: EMUEXCPT\n");
2512 $$ = PROGCTRL (2, 5);
2519 notethat ("ProgCtrl: CLI dregs\n");
2520 $$ = PROGCTRL (3, $2.regno & CODE_MASK);
2523 return yyerror ("Dreg expected for CLI");
2530 notethat ("ProgCtrl: STI dregs\n");
2531 $$ = PROGCTRL (4, $2.regno & CODE_MASK);
2534 return yyerror ("Dreg expected for STI");
2537 | JUMP LPAREN REG RPAREN
2541 notethat ("ProgCtrl: JUMP (pregs )\n");
2542 $$ = PROGCTRL (5, $3.regno & CODE_MASK);
2545 return yyerror ("Bad register for indirect jump");
2548 | CALL LPAREN REG RPAREN
2552 notethat ("ProgCtrl: CALL (pregs )\n");
2553 $$ = PROGCTRL (6, $3.regno & CODE_MASK);
2556 return yyerror ("Bad register for indirect call");
2559 | CALL LPAREN PC PLUS REG RPAREN
2563 notethat ("ProgCtrl: CALL (PC + pregs )\n");
2564 $$ = PROGCTRL (7, $5.regno & CODE_MASK);
2567 return yyerror ("Bad register for indirect call");
2570 | JUMP LPAREN PC PLUS REG RPAREN
2574 notethat ("ProgCtrl: JUMP (PC + pregs )\n");
2575 $$ = PROGCTRL (8, $5.regno & CODE_MASK);
2578 return yyerror ("Bad register for indirect jump");
2583 if (IS_UIMM ($2, 4))
2585 notethat ("ProgCtrl: RAISE uimm4\n");
2586 $$ = PROGCTRL (9, uimm4 ($2));
2589 return yyerror ("Bad value for RAISE");
2594 notethat ("ProgCtrl: EMUEXCPT\n");
2595 $$ = PROGCTRL (10, uimm4 ($2));
2598 | TESTSET LPAREN REG RPAREN
2602 notethat ("ProgCtrl: TESTSET (pregs )\n");
2603 $$ = PROGCTRL (11, $3.regno & CODE_MASK);
2606 return yyerror ("Preg expected");
2611 if (IS_PCREL12 ($2))
2613 notethat ("UJUMP: JUMP pcrel12\n");
2617 return yyerror ("Bad value for relative jump");
2622 if (IS_PCREL12 ($2))
2624 notethat ("UJUMP: JUMP_DOT_S pcrel12\n");
2628 return yyerror ("Bad value for relative jump");
2633 if (IS_PCREL24 ($2))
2635 notethat ("CALLa: jump.l pcrel24\n");
2639 return yyerror ("Bad value for long jump");
2644 if (IS_PCREL24 ($2))
2646 notethat ("CALLa: jump.l pcrel24\n");
2650 return yyerror ("Bad value for long jump");
2655 if (IS_PCREL24 ($2))
2657 notethat ("CALLa: CALL pcrel25m2\n");
2661 return yyerror ("Bad call address");
2665 if (IS_PCREL24 ($2))
2667 notethat ("CALLa: CALL pcrel25m2\n");
2671 return yyerror ("Bad call address");
2675 /* ALU2op: DIVQ (dregs, dregs). */
2676 | DIVQ LPAREN REG COMMA REG RPAREN
2678 if (IS_DREG ($3) && IS_DREG ($5))
2679 $$ = ALU2OP (&$3, &$5, 8);
2681 return yyerror ("Bad registers for DIVQ");
2684 | DIVS LPAREN REG COMMA REG RPAREN
2686 if (IS_DREG ($3) && IS_DREG ($5))
2687 $$ = ALU2OP (&$3, &$5, 9);
2689 return yyerror ("Bad registers for DIVS");
2692 | REG ASSIGN MINUS REG vsmod
2694 if (IS_DREG ($1) && IS_DREG ($4))
2696 if ($5.r0 == 0 && $5.s0 == 0 && $5.aop == 0)
2698 notethat ("ALU2op: dregs = - dregs\n");
2699 $$ = ALU2OP (&$1, &$4, 14);
2701 else if ($5.r0 == 1 && $5.s0 == 0 && $5.aop == 3)
2703 notethat ("dsp32alu: dregs = - dregs (.)\n");
2704 $$ = DSP32ALU (15, 0, 0, &$1, &$4, 0, $5.s0, 0, 3);
2708 notethat ("dsp32alu: dregs = - dregs (.)\n");
2709 $$ = DSP32ALU (7, 0, 0, &$1, &$4, 0, $5.s0, 0, 3);
2713 return yyerror ("Dregs expected");
2716 | REG ASSIGN TILDA REG
2718 if (IS_DREG ($1) && IS_DREG ($4))
2720 notethat ("ALU2op: dregs = ~dregs\n");
2721 $$ = ALU2OP (&$1, &$4, 15);
2724 return yyerror ("Dregs expected");
2727 | REG _GREATER_GREATER_ASSIGN REG
2729 if (IS_DREG ($1) && IS_DREG ($3))
2731 notethat ("ALU2op: dregs >>= dregs\n");
2732 $$ = ALU2OP (&$1, &$3, 1);
2735 return yyerror ("Dregs expected");
2738 | REG _GREATER_GREATER_ASSIGN expr
2740 if (IS_DREG ($1) && IS_UIMM ($3, 5))
2742 notethat ("LOGI2op: dregs >>= uimm5\n");
2743 $$ = LOGI2OP ($1, uimm5 ($3), 6);
2746 return yyerror ("Dregs expected or value error");
2749 | REG _GREATER_GREATER_GREATER_THAN_ASSIGN REG
2751 if (IS_DREG ($1) && IS_DREG ($3))
2753 notethat ("ALU2op: dregs >>>= dregs\n");
2754 $$ = ALU2OP (&$1, &$3, 0);
2757 return yyerror ("Dregs expected");
2760 | REG _LESS_LESS_ASSIGN REG
2762 if (IS_DREG ($1) && IS_DREG ($3))
2764 notethat ("ALU2op: dregs <<= dregs\n");
2765 $$ = ALU2OP (&$1, &$3, 2);
2768 return yyerror ("Dregs expected");
2771 | REG _LESS_LESS_ASSIGN expr
2773 if (IS_DREG ($1) && IS_UIMM ($3, 5))
2775 notethat ("LOGI2op: dregs <<= uimm5\n");
2776 $$ = LOGI2OP ($1, uimm5 ($3), 7);
2779 return yyerror ("Dregs expected or const value error");
2783 | REG _GREATER_GREATER_GREATER_THAN_ASSIGN expr
2785 if (IS_DREG ($1) && IS_UIMM ($3, 5))
2787 notethat ("LOGI2op: dregs >>>= uimm5\n");
2788 $$ = LOGI2OP ($1, uimm5 ($3), 5);
2791 return yyerror ("Dregs expected");
2794 /* Cache Control. */
2796 | FLUSH LBRACK REG RBRACK
2798 notethat ("CaCTRL: FLUSH [ pregs ]\n");
2800 $$ = CACTRL (&$3, 0, 2);
2802 return yyerror ("Bad register(s) for FLUSH");
2805 | FLUSH reg_with_postinc
2809 notethat ("CaCTRL: FLUSH [ pregs ++ ]\n");
2810 $$ = CACTRL (&$2, 1, 2);
2813 return yyerror ("Bad register(s) for FLUSH");
2816 | FLUSHINV LBRACK REG RBRACK
2820 notethat ("CaCTRL: FLUSHINV [ pregs ]\n");
2821 $$ = CACTRL (&$3, 0, 1);
2824 return yyerror ("Bad register(s) for FLUSH");
2827 | FLUSHINV reg_with_postinc
2831 notethat ("CaCTRL: FLUSHINV [ pregs ++ ]\n");
2832 $$ = CACTRL (&$2, 1, 1);
2835 return yyerror ("Bad register(s) for FLUSH");
2838 /* CaCTRL: IFLUSH [pregs]. */
2839 | IFLUSH LBRACK REG RBRACK
2843 notethat ("CaCTRL: IFLUSH [ pregs ]\n");
2844 $$ = CACTRL (&$3, 0, 3);
2847 return yyerror ("Bad register(s) for FLUSH");
2850 | IFLUSH reg_with_postinc
2854 notethat ("CaCTRL: IFLUSH [ pregs ++ ]\n");
2855 $$ = CACTRL (&$2, 1, 3);
2858 return yyerror ("Bad register(s) for FLUSH");
2861 | PREFETCH LBRACK REG RBRACK
2865 notethat ("CaCTRL: PREFETCH [ pregs ]\n");
2866 $$ = CACTRL (&$3, 0, 0);
2869 return yyerror ("Bad register(s) for PREFETCH");
2872 | PREFETCH reg_with_postinc
2876 notethat ("CaCTRL: PREFETCH [ pregs ++ ]\n");
2877 $$ = CACTRL (&$2, 1, 0);
2880 return yyerror ("Bad register(s) for PREFETCH");
2884 /* LDST: B [ pregs <post_op> ] = dregs. */
2886 | B LBRACK REG post_op RBRACK ASSIGN REG
2888 if (IS_PREG ($3) && IS_DREG ($7))
2890 notethat ("LDST: B [ pregs <post_op> ] = dregs\n");
2891 $$ = LDST (&$3, &$7, $4.x0, 2, 0, 1);
2894 return yyerror ("Register mismatch");
2897 /* LDSTidxI: B [ pregs + imm16 ] = dregs. */
2898 | B LBRACK REG plus_minus expr RBRACK ASSIGN REG
2900 if (IS_PREG ($3) && IS_RANGE(16, $5, $4.r0, 1) && IS_DREG ($8))
2902 notethat ("LDST: B [ pregs + imm16 ] = dregs\n");
2905 $$ = LDSTIDXI (&$3, &$8, 1, 2, 0, $5);
2908 return yyerror ("Register mismatch or const size wrong");
2912 /* LDSTii: W [ pregs + uimm4s2 ] = dregs. */
2913 | W LBRACK REG plus_minus expr RBRACK ASSIGN REG
2915 if (IS_PREG ($3) && IS_URANGE (4, $5, $4.r0, 2) && IS_DREG ($8))
2917 notethat ("LDSTii: W [ pregs +- uimm5m2 ] = dregs\n");
2918 $$ = LDSTII (&$3, &$8, $5, 1, 1);
2920 else if (IS_PREG ($3) && IS_RANGE(16, $5, $4.r0, 2) && IS_DREG ($8))
2922 notethat ("LDSTidxI: W [ pregs + imm17m2 ] = dregs\n");
2925 $$ = LDSTIDXI (&$3, &$8, 1, 1, 0, $5);
2928 return yyerror ("Bad register(s) or wrong constant size");
2931 /* LDST: W [ pregs <post_op> ] = dregs. */
2932 | W LBRACK REG post_op RBRACK ASSIGN REG
2934 if (IS_PREG ($3) && IS_DREG ($7))
2936 notethat ("LDST: W [ pregs <post_op> ] = dregs\n");
2937 $$ = LDST (&$3, &$7, $4.x0, 1, 0, 1);
2940 return yyerror ("Bad register(s) for STORE");
2943 | W LBRACK REG post_op RBRACK ASSIGN HALF_REG
2947 notethat ("dspLDST: W [ iregs <post_op> ] = dregs_half\n");
2948 $$ = DSPLDST (&$3, 1 + IS_H ($7), &$7, $4.x0, 1);
2950 else if ($4.x0 == 2 && IS_PREG ($3) && IS_DREG ($7))
2952 notethat ("LDSTpmod: W [ pregs <post_op>] = dregs_half\n");
2953 $$ = LDSTPMOD (&$3, &$7, &$3, 1 + IS_H ($7), 1);
2957 return yyerror ("Bad register(s) for STORE");
2960 /* LDSTiiFP: [ FP - const ] = dpregs. */
2961 | LBRACK REG plus_minus expr RBRACK ASSIGN REG
2963 Expr_Node *tmp = $4;
2964 int ispreg = IS_PREG ($7);
2967 return yyerror ("Preg expected for indirect");
2969 if (!IS_DREG ($7) && !ispreg)
2970 return yyerror ("Bad source register for STORE");
2973 tmp = unary (Expr_Op_Type_NEG, tmp);
2975 if (in_range_p (tmp, 0, 63, 3))
2977 notethat ("LDSTii: dpregs = [ pregs + uimm6m4 ]\n");
2978 $$ = LDSTII (&$2, &$7, tmp, 1, ispreg ? 3 : 0);
2980 else if ($2.regno == REG_FP && in_range_p (tmp, -128, 0, 3))
2982 notethat ("LDSTiiFP: dpregs = [ FP - uimm7m4 ]\n");
2983 tmp = unary (Expr_Op_Type_NEG, tmp);
2984 $$ = LDSTIIFP (tmp, &$7, 1);
2986 else if (in_range_p (tmp, -131072, 131071, 3))
2988 notethat ("LDSTidxI: [ pregs + imm18m4 ] = dpregs\n");
2989 $$ = LDSTIDXI (&$2, &$7, 1, 0, ispreg ? 1: 0, tmp);
2992 return yyerror ("Displacement out of range for store");
2995 | REG ASSIGN W LBRACK REG plus_minus expr RBRACK xpmod
2997 if (IS_DREG ($1) && IS_PREG ($5) && IS_URANGE (4, $7, $6.r0, 2))
2999 notethat ("LDSTii: dregs = W [ pregs + uimm4s2 ] (.)\n");
3000 $$ = LDSTII (&$5, &$1, $7, 0, 1 << $9.r0);
3002 else if (IS_DREG ($1) && IS_PREG ($5) && IS_RANGE(16, $7, $6.r0, 2))
3004 notethat ("LDSTidxI: dregs = W [ pregs + imm17m2 ] (.)\n");
3007 $$ = LDSTIDXI (&$5, &$1, 0, 1, $9.r0, $7);
3010 return yyerror ("Bad register or constant for LOAD");
3013 | HALF_REG ASSIGN W LBRACK REG post_op RBRACK
3017 notethat ("dspLDST: dregs_half = W [ iregs ]\n");
3018 $$ = DSPLDST(&$5, 1 + IS_H ($1), &$1, $6.x0, 0);
3020 else if ($6.x0 == 2 && IS_DREG ($1) && IS_PREG ($5))
3022 notethat ("LDSTpmod: dregs_half = W [ pregs ]\n");
3023 $$ = LDSTPMOD (&$5, &$1, &$5, 1 + IS_H ($1), 0);
3026 return yyerror ("Bad register or post_op for LOAD");
3030 | REG ASSIGN W LBRACK REG post_op RBRACK xpmod
3032 if (IS_DREG ($1) && IS_PREG ($5))
3034 notethat ("LDST: dregs = W [ pregs <post_op> ] (.)\n");
3035 $$ = LDST (&$5, &$1, $6.x0, 1, $8.r0, 0);
3038 return yyerror ("Bad register for LOAD");
3041 | REG ASSIGN W LBRACK REG _PLUS_PLUS REG RBRACK xpmod
3043 if (IS_DREG ($1) && IS_PREG ($5) && IS_PREG ($7))
3045 notethat ("LDSTpmod: dregs = W [ pregs ++ pregs ] (.)\n");
3046 $$ = LDSTPMOD (&$5, &$1, &$7, 3, $9.r0);
3049 return yyerror ("Bad register for LOAD");
3052 | HALF_REG ASSIGN W LBRACK REG _PLUS_PLUS REG RBRACK
3054 if (IS_DREG ($1) && IS_PREG ($5) && IS_PREG ($7))
3056 notethat ("LDSTpmod: dregs_half = W [ pregs ++ pregs ]\n");
3057 $$ = LDSTPMOD (&$5, &$1, &$7, 1 + IS_H ($1), 0);
3060 return yyerror ("Bad register for LOAD");
3063 | LBRACK REG post_op RBRACK ASSIGN REG
3065 if (IS_IREG ($2) && IS_DREG ($6))
3067 notethat ("dspLDST: [ iregs <post_op> ] = dregs\n");
3068 $$ = DSPLDST(&$2, 0, &$6, $3.x0, 1);
3070 else if (IS_PREG ($2) && IS_DREG ($6))
3072 notethat ("LDST: [ pregs <post_op> ] = dregs\n");
3073 $$ = LDST (&$2, &$6, $3.x0, 0, 0, 1);
3075 else if (IS_PREG ($2) && IS_PREG ($6))
3077 notethat ("LDST: [ pregs <post_op> ] = pregs\n");
3078 $$ = LDST (&$2, &$6, $3.x0, 0, 1, 1);
3081 return yyerror ("Bad register for STORE");
3084 | LBRACK REG _PLUS_PLUS REG RBRACK ASSIGN REG
3087 return yyerror ("Expected Dreg for last argument");
3089 if (IS_IREG ($2) && IS_MREG ($4))
3091 notethat ("dspLDST: [ iregs ++ mregs ] = dregs\n");
3092 $$ = DSPLDST(&$2, $4.regno & CODE_MASK, &$7, 3, 1);
3094 else if (IS_PREG ($2) && IS_PREG ($4))
3096 notethat ("LDSTpmod: [ pregs ++ pregs ] = dregs\n");
3097 $$ = LDSTPMOD (&$2, &$7, &$4, 0, 1);
3100 return yyerror ("Bad register for STORE");
3103 | W LBRACK REG _PLUS_PLUS REG RBRACK ASSIGN HALF_REG
3106 return yyerror ("Expect Dreg as last argument");
3107 if (IS_PREG ($3) && IS_PREG ($5))
3109 notethat ("LDSTpmod: W [ pregs ++ pregs ] = dregs_half\n");
3110 $$ = LDSTPMOD (&$3, &$8, &$5, 1 + IS_H ($8), 1);
3113 return yyerror ("Bad register for STORE");
3116 | REG ASSIGN B LBRACK REG plus_minus expr RBRACK xpmod
3118 if (IS_DREG ($1) && IS_PREG ($5) && IS_RANGE(16, $7, $6.r0, 1))
3120 notethat ("LDSTidxI: dregs = B [ pregs + imm16 ] (%c)\n",
3124 $$ = LDSTIDXI (&$5, &$1, 0, 2, $9.r0, $7);
3127 return yyerror ("Bad register or value for LOAD");
3130 | REG ASSIGN B LBRACK REG post_op RBRACK xpmod
3132 if (IS_DREG ($1) && IS_PREG ($5))
3134 notethat ("LDST: dregs = B [ pregs <post_op> ] (%c)\n",
3136 $$ = LDST (&$5, &$1, $6.x0, 2, $8.r0, 0);
3139 return yyerror ("Bad register for LOAD");
3142 | REG ASSIGN LBRACK REG _PLUS_PLUS REG RBRACK
3144 if (IS_DREG ($1) && IS_IREG ($4) && IS_MREG ($6))
3146 notethat ("dspLDST: dregs = [ iregs ++ mregs ]\n");
3147 $$ = DSPLDST(&$4, $6.regno & CODE_MASK, &$1, 3, 0);
3149 else if (IS_DREG ($1) && IS_PREG ($4) && IS_PREG ($6))
3151 notethat ("LDSTpmod: dregs = [ pregs ++ pregs ]\n");
3152 $$ = LDSTPMOD (&$4, &$1, &$6, 0, 0);
3155 return yyerror ("Bad register for LOAD");
3158 | REG ASSIGN LBRACK REG plus_minus got_or_expr RBRACK
3160 Expr_Node *tmp = $6;
3161 int ispreg = IS_PREG ($1);
3162 int isgot = IS_RELOC($6);
3165 return yyerror ("Preg expected for indirect");
3167 if (!IS_DREG ($1) && !ispreg)
3168 return yyerror ("Bad destination register for LOAD");
3171 tmp = unary (Expr_Op_Type_NEG, tmp);
3174 notethat ("LDSTidxI: dpregs = [ pregs + sym@got ]\n");
3175 $$ = LDSTIDXI (&$4, &$1, 0, 0, ispreg ? 1: 0, tmp);
3177 else if (in_range_p (tmp, 0, 63, 3))
3179 notethat ("LDSTii: dpregs = [ pregs + uimm7m4 ]\n");
3180 $$ = LDSTII (&$4, &$1, tmp, 0, ispreg ? 3 : 0);
3182 else if ($4.regno == REG_FP && in_range_p (tmp, -128, 0, 3))
3184 notethat ("LDSTiiFP: dpregs = [ FP - uimm7m4 ]\n");
3185 tmp = unary (Expr_Op_Type_NEG, tmp);
3186 $$ = LDSTIIFP (tmp, &$1, 0);
3188 else if (in_range_p (tmp, -131072, 131071, 3))
3190 notethat ("LDSTidxI: dpregs = [ pregs + imm18m4 ]\n");
3191 $$ = LDSTIDXI (&$4, &$1, 0, 0, ispreg ? 1: 0, tmp);
3195 return yyerror ("Displacement out of range for load");
3198 | REG ASSIGN LBRACK REG post_op RBRACK
3200 if (IS_DREG ($1) && IS_IREG ($4))
3202 notethat ("dspLDST: dregs = [ iregs <post_op> ]\n");
3203 $$ = DSPLDST (&$4, 0, &$1, $5.x0, 0);
3205 else if (IS_DREG ($1) && IS_PREG ($4))
3207 notethat ("LDST: dregs = [ pregs <post_op> ]\n");
3208 $$ = LDST (&$4, &$1, $5.x0, 0, 0, 0);
3210 else if (IS_PREG ($1) && IS_PREG ($4))
3212 if (REG_SAME ($1, $4) && $5.x0 != 2)
3213 return yyerror ("Pregs can't be same");
3215 notethat ("LDST: pregs = [ pregs <post_op> ]\n");
3216 $$ = LDST (&$4, &$1, $5.x0, 0, 1, 0);
3218 else if ($4.regno == REG_SP && IS_ALLREG ($1) && $5.x0 == 0)
3220 notethat ("PushPopReg: allregs = [ SP ++ ]\n");
3221 $$ = PUSHPOPREG (&$1, 0);
3224 return yyerror ("Bad register or value");
3228 /* PushPopMultiple. */
3229 | reg_with_predec ASSIGN LPAREN REG COLON expr COMMA REG COLON expr RPAREN
3231 if ($1.regno != REG_SP)
3232 yyerror ("Stack Pointer expected");
3233 if ($4.regno == REG_R7
3234 && IN_RANGE ($6, 0, 7)
3235 && $8.regno == REG_P5
3236 && IN_RANGE ($10, 0, 5))
3238 notethat ("PushPopMultiple: [ -- SP ] = (R7 : reglim , P5 : reglim )\n");
3239 $$ = PUSHPOPMULTIPLE (imm5 ($6), imm5 ($10), 1, 1, 1);
3242 return yyerror ("Bad register for PushPopMultiple");
3245 | reg_with_predec ASSIGN LPAREN REG COLON expr RPAREN
3247 if ($1.regno != REG_SP)
3248 yyerror ("Stack Pointer expected");
3250 if ($4.regno == REG_R7 && IN_RANGE ($6, 0, 7))
3252 notethat ("PushPopMultiple: [ -- SP ] = (R7 : reglim )\n");
3253 $$ = PUSHPOPMULTIPLE (imm5 ($6), 0, 1, 0, 1);
3255 else if ($4.regno == REG_P5 && IN_RANGE ($6, 0, 6))
3257 notethat ("PushPopMultiple: [ -- SP ] = (P5 : reglim )\n");
3258 $$ = PUSHPOPMULTIPLE (0, imm5 ($6), 0, 1, 1);
3261 return yyerror ("Bad register for PushPopMultiple");
3264 | LPAREN REG COLON expr COMMA REG COLON expr RPAREN ASSIGN reg_with_postinc
3266 if ($11.regno != REG_SP)
3267 yyerror ("Stack Pointer expected");
3268 if ($2.regno == REG_R7 && (IN_RANGE ($4, 0, 7))
3269 && $6.regno == REG_P5 && (IN_RANGE ($8, 0, 6)))
3271 notethat ("PushPopMultiple: (R7 : reglim , P5 : reglim ) = [ SP ++ ]\n");
3272 $$ = PUSHPOPMULTIPLE (imm5 ($4), imm5 ($8), 1, 1, 0);
3275 return yyerror ("Bad register range for PushPopMultiple");
3278 | LPAREN REG COLON expr RPAREN ASSIGN reg_with_postinc
3280 if ($7.regno != REG_SP)
3281 yyerror ("Stack Pointer expected");
3283 if ($2.regno == REG_R7 && IN_RANGE ($4, 0, 7))
3285 notethat ("PushPopMultiple: (R7 : reglim ) = [ SP ++ ]\n");
3286 $$ = PUSHPOPMULTIPLE (imm5 ($4), 0, 1, 0, 0);
3288 else if ($2.regno == REG_P5 && IN_RANGE ($4, 0, 6))
3290 notethat ("PushPopMultiple: (P5 : reglim ) = [ SP ++ ]\n");
3291 $$ = PUSHPOPMULTIPLE (0, imm5 ($4), 0, 1, 0);
3294 return yyerror ("Bad register range for PushPopMultiple");
3297 | reg_with_predec ASSIGN REG
3299 if ($1.regno != REG_SP)
3300 yyerror ("Stack Pointer expected");
3304 notethat ("PushPopReg: [ -- SP ] = allregs\n");
3305 $$ = PUSHPOPREG (&$3, 1);
3308 return yyerror ("Bad register for PushPopReg");
3315 if (IS_URANGE (16, $2, 0, 4))
3316 $$ = LINKAGE (0, uimm16s4 ($2));
3318 return yyerror ("Bad constant for LINK");
3323 notethat ("linkage: UNLINK\n");
3324 $$ = LINKAGE (1, 0);
3330 | LSETUP LPAREN expr COMMA expr RPAREN REG
3332 if (IS_PCREL4 ($3) && IS_LPPCREL10 ($5) && IS_CREG ($7))
3334 notethat ("LoopSetup: LSETUP (pcrel4 , lppcrel10 ) counters\n");
3335 $$ = LOOPSETUP ($3, &$7, 0, $5, 0);
3338 return yyerror ("Bad register or values for LSETUP");
3341 | LSETUP LPAREN expr COMMA expr RPAREN REG ASSIGN REG
3343 if (IS_PCREL4 ($3) && IS_LPPCREL10 ($5)
3344 && IS_PREG ($9) && IS_CREG ($7))
3346 notethat ("LoopSetup: LSETUP (pcrel4 , lppcrel10 ) counters = pregs\n");
3347 $$ = LOOPSETUP ($3, &$7, 1, $5, &$9);
3350 return yyerror ("Bad register or values for LSETUP");
3353 | LSETUP LPAREN expr COMMA expr RPAREN REG ASSIGN REG GREATER_GREATER expr
3355 if (IS_PCREL4 ($3) && IS_LPPCREL10 ($5)
3356 && IS_PREG ($9) && IS_CREG ($7)
3357 && EXPR_VALUE ($11) == 1)
3359 notethat ("LoopSetup: LSETUP (pcrel4 , lppcrel10 ) counters = pregs >> 1\n");
3360 $$ = LOOPSETUP ($3, &$7, 3, $5, &$9);
3363 return yyerror ("Bad register or values for LSETUP");
3370 return yyerror ("Invalid expression in loop statement");
3372 return yyerror ("Invalid loop counter register");
3373 $$ = bfin_gen_loop ($2, &$3, 0, 0);
3375 | LOOP expr REG ASSIGN REG
3377 if (IS_RELOC ($2) && IS_PREG ($5) && IS_CREG ($3))
3379 notethat ("Loop: LOOP expr counters = pregs\n");
3380 $$ = bfin_gen_loop ($2, &$3, 1, &$5);
3383 return yyerror ("Bad register or values for LOOP");
3385 | LOOP expr REG ASSIGN REG GREATER_GREATER expr
3387 if (IS_RELOC ($2) && IS_PREG ($5) && IS_CREG ($3) && EXPR_VALUE ($7) == 1)
3389 notethat ("Loop: LOOP expr counters = pregs >> 1\n");
3390 $$ = bfin_gen_loop ($2, &$3, 3, &$5);
3393 return yyerror ("Bad register or values for LOOP");
3399 notethat ("pseudoDEBUG: DBG\n");
3400 $$ = bfin_gen_pseudodbg (3, 7, 0);
3404 notethat ("pseudoDEBUG: DBG REG_A\n");
3405 $$ = bfin_gen_pseudodbg (3, IS_A1 ($2), 0);
3409 notethat ("pseudoDEBUG: DBG allregs\n");
3410 $$ = bfin_gen_pseudodbg (0, $2.regno & CODE_MASK, $2.regno & CLASS_MASK);
3413 | DBGCMPLX LPAREN REG RPAREN
3416 return yyerror ("Dregs expected");
3417 notethat ("pseudoDEBUG: DBGCMPLX (dregs )\n");
3418 $$ = bfin_gen_pseudodbg (3, 6, $3.regno & CODE_MASK);
3423 notethat ("psedoDEBUG: DBGHALT\n");
3424 $$ = bfin_gen_pseudodbg (3, 5, 0);
3427 | DBGA LPAREN HALF_REG COMMA expr RPAREN
3429 notethat ("pseudodbg_assert: DBGA (dregs_lo , uimm16 )\n");
3430 $$ = bfin_gen_pseudodbg_assert (IS_H ($3), &$3, uimm16 ($5));
3433 | DBGAH LPAREN REG COMMA expr RPAREN
3435 notethat ("pseudodbg_assert: DBGAH (dregs , uimm16 )\n");
3436 $$ = bfin_gen_pseudodbg_assert (3, &$3, uimm16 ($5));
3439 | DBGAL LPAREN REG COMMA expr RPAREN
3441 notethat ("psedodbg_assert: DBGAL (dregs , uimm16 )\n");
3442 $$ = bfin_gen_pseudodbg_assert (2, &$3, uimm16 ($5));
3450 /* Register rules. */
3452 REG_A: REG_A_DOUBLE_ZERO
3470 | LPAREN M COMMA MMOD RPAREN
3475 | LPAREN MMOD COMMA M RPAREN
3480 | LPAREN MMOD RPAREN
3492 asr_asl: LPAREN ASL RPAREN
3573 | LPAREN asr_asl_0 RPAREN
3585 | LPAREN asr_asl_0 COMMA sco RPAREN
3591 | LPAREN sco COMMA asr_asl_0 RPAREN
3651 | LPAREN V COMMA S RPAREN
3656 | LPAREN S COMMA V RPAREN
3718 | LPAREN MMOD RPAREN
3721 return yyerror ("Bad modifier");
3725 | LPAREN MMOD COMMA R RPAREN
3728 return yyerror ("Bad modifier");
3732 | LPAREN R COMMA MMOD RPAREN
3735 return yyerror ("Bad modifier");
3762 | LPAREN MMOD RPAREN
3767 return yyerror ("Only (W32) allowed");
3775 | LPAREN MMOD RPAREN
3780 return yyerror ("(IU) expected");
3784 reg_with_predec: LBRACK _MINUS_MINUS REG RBRACK
3790 reg_with_postinc: LBRACK REG _PLUS_PLUS RBRACK
3842 $$.r0 = 1; /* HL. */
3845 $$.aop = 0; /* aop. */
3850 $$.r0 = 1; /* HL. */
3853 $$.aop = 1; /* aop. */
3856 | LPAREN RNDL RPAREN
3858 $$.r0 = 0; /* HL. */
3861 $$.aop = 0; /* aop. */
3866 $$.r0 = 0; /* HL. */
3872 | LPAREN RNDH COMMA R RPAREN
3874 $$.r0 = 1; /* HL. */
3877 $$.aop = 0; /* aop. */
3879 | LPAREN TH COMMA R RPAREN
3881 $$.r0 = 1; /* HL. */
3884 $$.aop = 1; /* aop. */
3886 | LPAREN RNDL COMMA R RPAREN
3888 $$.r0 = 0; /* HL. */
3891 $$.aop = 0; /* aop. */
3894 | LPAREN TL COMMA R RPAREN
3896 $$.r0 = 0; /* HL. */
3899 $$.aop = 1; /* aop. */
3907 $$.x0 = 0; /* HL. */
3912 $$.x0 = 1; /* HL. */
3914 | LPAREN LO COMMA R RPAREN
3917 $$.x0 = 0; /* HL. */
3919 | LPAREN HI COMMA R RPAREN
3922 $$.x0 = 1; /* HL. */
3940 /* Assignments, Macfuncs. */
3974 if (IS_A1 ($3) && IS_EVEN ($1))
3975 return yyerror ("Cannot move A1 to even register");
3976 else if (!IS_A1 ($3) && !IS_EVEN ($1))
3977 return yyerror ("Cannot move A0 to odd register");
3985 | REG ASSIGN LPAREN a_macfunc RPAREN
3993 | HALF_REG ASSIGN LPAREN a_macfunc RPAREN
4001 | HALF_REG ASSIGN REG_A
4011 if (IS_A1 ($3) && !IS_H ($1))
4012 return yyerror ("Cannot move A1 to low half of register");
4013 else if (!IS_A1 ($3) && IS_H ($1))
4014 return yyerror ("Cannot move A0 to high half of register");
4019 a_assign multiply_halfregs
4026 | a_plusassign multiply_halfregs
4033 | a_minusassign multiply_halfregs
4043 HALF_REG STAR HALF_REG
4045 if (IS_DREG ($1) && IS_DREG ($3))
4051 return yyerror ("Dregs expected");
4075 CCREG cc_op STATUS_REG
4087 | STATUS_REG cc_op CCREG
4101 /* Expressions and Symbols. */
4105 Expr_Node_Value val;
4106 val.s_value = S_GET_NAME($1);
4107 $$ = Expr_Node_Create (Expr_Node_Reloc, val, NULL, NULL);
4113 { $$ = BFD_RELOC_BFIN_GOT; }
4115 { $$ = BFD_RELOC_BFIN_GOT17M4; }
4117 { $$ = BFD_RELOC_BFIN_FUNCDESC_GOT17M4; }
4120 got: symbol AT any_gotrel
4122 Expr_Node_Value val;
4124 $$ = Expr_Node_Create (Expr_Node_GOT_Reloc, val, $1, NULL);
4147 Expr_Node_Value val;
4149 $$ = Expr_Node_Create (Expr_Node_Constant, val, NULL, NULL);
4155 | LPAREN expr_1 RPAREN
4161 $$ = unary (Expr_Op_Type_COMP, $2);
4163 | MINUS expr_1 %prec TILDA
4165 $$ = unary (Expr_Op_Type_NEG, $2);
4175 expr_1: expr_1 STAR expr_1
4177 $$ = binary (Expr_Op_Type_Mult, $1, $3);
4179 | expr_1 SLASH expr_1
4181 $$ = binary (Expr_Op_Type_Div, $1, $3);
4183 | expr_1 PERCENT expr_1
4185 $$ = binary (Expr_Op_Type_Mod, $1, $3);
4187 | expr_1 PLUS expr_1
4189 $$ = binary (Expr_Op_Type_Add, $1, $3);
4191 | expr_1 MINUS expr_1
4193 $$ = binary (Expr_Op_Type_Sub, $1, $3);
4195 | expr_1 LESS_LESS expr_1
4197 $$ = binary (Expr_Op_Type_Lshift, $1, $3);
4199 | expr_1 GREATER_GREATER expr_1
4201 $$ = binary (Expr_Op_Type_Rshift, $1, $3);
4203 | expr_1 AMPERSAND expr_1
4205 $$ = binary (Expr_Op_Type_BAND, $1, $3);
4207 | expr_1 CARET expr_1
4209 $$ = binary (Expr_Op_Type_LOR, $1, $3);
4213 $$ = binary (Expr_Op_Type_BOR, $1, $3);
4225 mkexpr (int x, SYMBOL_T s)
4227 EXPR_T e = (EXPR_T) ALLOCATE (sizeof (struct expression_cell));
4234 value_match (Expr_Node *expr, int sz, int sign, int mul, int issigned)
4236 long umax = (1L << sz) - 1;
4237 long min = -1L << (sz - 1);
4238 long max = (1L << (sz - 1)) - 1;
4240 long v = EXPR_VALUE (expr);
4244 error ("%s:%d: Value Error -- Must align to %d\n", __FILE__, __LINE__, mul);
4255 if (v >= min && v <= max) return 1;
4258 fprintf(stderr, "signed value %lx out of range\n", v * mul);
4262 if (v <= umax && v >= 0)
4265 fprintf(stderr, "unsigned value %lx out of range\n", v * mul);
4270 /* Return the expression structure that allows symbol operations.
4271 If the left and right children are constants, do the operation. */
4273 binary (Expr_Op_Type op, Expr_Node *x, Expr_Node *y)
4275 Expr_Node_Value val;
4277 if (x->type == Expr_Node_Constant && y->type == Expr_Node_Constant)
4281 case Expr_Op_Type_Add:
4282 x->value.i_value += y->value.i_value;
4284 case Expr_Op_Type_Sub:
4285 x->value.i_value -= y->value.i_value;
4287 case Expr_Op_Type_Mult:
4288 x->value.i_value *= y->value.i_value;
4290 case Expr_Op_Type_Div:
4291 if (y->value.i_value == 0)
4292 error ("Illegal Expression: Division by zero.");
4294 x->value.i_value /= y->value.i_value;
4296 case Expr_Op_Type_Mod:
4297 x->value.i_value %= y->value.i_value;
4299 case Expr_Op_Type_Lshift:
4300 x->value.i_value <<= y->value.i_value;
4302 case Expr_Op_Type_Rshift:
4303 x->value.i_value >>= y->value.i_value;
4305 case Expr_Op_Type_BAND:
4306 x->value.i_value &= y->value.i_value;
4308 case Expr_Op_Type_BOR:
4309 x->value.i_value |= y->value.i_value;
4311 case Expr_Op_Type_BXOR:
4312 x->value.i_value ^= y->value.i_value;
4314 case Expr_Op_Type_LAND:
4315 x->value.i_value = x->value.i_value && y->value.i_value;
4317 case Expr_Op_Type_LOR:
4318 x->value.i_value = x->value.i_value || y->value.i_value;
4322 error ("%s:%d: Internal compiler error\n", __FILE__, __LINE__);
4326 /* Canonicalize order to EXPR OP CONSTANT. */
4327 if (x->type == Expr_Node_Constant)
4333 /* Canonicalize subtraction of const to addition of negated const. */
4334 if (op == Expr_Op_Type_Sub && y->type == Expr_Node_Constant)
4336 op = Expr_Op_Type_Add;
4337 y->value.i_value = -y->value.i_value;
4339 if (y->type == Expr_Node_Constant && x->type == Expr_Node_Binop
4340 && x->Right_Child->type == Expr_Node_Constant)
4342 if (op == x->value.op_value && x->value.op_value == Expr_Op_Type_Add)
4344 x->Right_Child->value.i_value += y->value.i_value;
4349 /* Create a new expression structure. */
4351 return Expr_Node_Create (Expr_Node_Binop, val, x, y);
4355 unary (Expr_Op_Type op, Expr_Node *x)
4357 if (x->type == Expr_Node_Constant)
4361 case Expr_Op_Type_NEG:
4362 x->value.i_value = -x->value.i_value;
4364 case Expr_Op_Type_COMP:
4365 x->value.i_value = ~x->value.i_value;
4368 error ("%s:%d: Internal compiler error\n", __FILE__, __LINE__);
4374 /* Create a new expression structure. */
4375 Expr_Node_Value val;
4377 return Expr_Node_Create (Expr_Node_Unop, val, x, NULL);
4381 int debug_codeselection = 0;
4383 notethat (char *format, ...)
4386 va_start (ap, format);
4387 if (debug_codeselection)
4389 vfprintf (errorf, format, ap);
4395 main (int argc, char **argv)