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 (!valid_dreg_pair (&$9, $11))
835 return yyerror ("Bad dreg pair");
836 else if (!valid_dreg_pair (&$13, $15))
837 return yyerror ("Bad dreg pair");
840 notethat ("dsp32alu: (dregs , dregs ) = BYTEOP16P (dregs_pair , dregs_pair ) (aligndir)\n");
841 $$ = DSP32ALU (21, 0, &$2, &$4, &$9, &$13, $17.r0, 0, 0);
845 | LPAREN REG COMMA REG RPAREN ASSIGN BYTEOP16M LPAREN REG COLON expr COMMA
846 REG COLON expr RPAREN aligndir
848 if (!IS_DREG ($2) || !IS_DREG ($4))
849 return yyerror ("Dregs expected");
850 else if (!valid_dreg_pair (&$9, $11))
851 return yyerror ("Bad dreg pair");
852 else if (!valid_dreg_pair (&$13, $15))
853 return yyerror ("Bad dreg pair");
856 notethat ("dsp32alu: (dregs , dregs ) = BYTEOP16M (dregs_pair , dregs_pair ) (aligndir)\n");
857 $$ = DSP32ALU (21, 0, &$2, &$4, &$9, &$13, $17.r0, 0, 1);
861 | LPAREN REG COMMA REG RPAREN ASSIGN BYTEUNPACK REG COLON expr aligndir
863 if (!IS_DREG ($2) || !IS_DREG ($4))
864 return yyerror ("Dregs expected");
865 else if (!valid_dreg_pair (&$8, $10))
866 return yyerror ("Bad dreg pair");
869 notethat ("dsp32alu: (dregs , dregs ) = BYTEUNPACK dregs_pair (aligndir)\n");
870 $$ = DSP32ALU (24, 0, &$2, &$4, &$8, 0, $11.r0, 0, 1);
873 | LPAREN REG COMMA REG RPAREN ASSIGN SEARCH REG LPAREN searchmod RPAREN
875 if (REG_SAME ($2, $4))
876 return yyerror ("Illegal dest register combination");
878 if (IS_DREG ($2) && IS_DREG ($4) && IS_DREG ($8))
880 notethat ("dsp32alu: (dregs , dregs ) = SEARCH dregs (searchmod)\n");
881 $$ = DSP32ALU (13, 0, &$2, &$4, &$8, 0, 0, 0, $10.r0);
884 return yyerror ("Register mismatch");
886 | REG ASSIGN A_ONE_DOT_L PLUS A_ONE_DOT_H COMMA
887 REG ASSIGN A_ZERO_DOT_L PLUS A_ZERO_DOT_H
889 if (REG_SAME ($1, $7))
890 return yyerror ("Illegal dest register combination");
892 if (IS_DREG ($1) && IS_DREG ($7))
894 notethat ("dsp32alu: dregs = A1.l + A1.h, dregs = A0.l + A0.h \n");
895 $$ = DSP32ALU (12, 0, &$1, &$7, 0, 0, 0, 0, 1);
898 return yyerror ("Register mismatch");
902 | REG ASSIGN REG_A PLUS REG_A COMMA REG ASSIGN REG_A MINUS REG_A amod1
904 if (REG_SAME ($1, $7))
905 return yyerror ("Resource conflict in dest reg");
907 if (IS_DREG ($1) && IS_DREG ($7) && !REG_SAME ($3, $5)
908 && IS_A1 ($9) && !IS_A1 ($11))
910 notethat ("dsp32alu: dregs = A1 + A0 , dregs = A1 - A0 (amod1)\n");
911 $$ = DSP32ALU (17, 0, &$1, &$7, 0, 0, $12.s0, $12.x0, 0);
914 else if (IS_DREG ($1) && IS_DREG ($7) && !REG_SAME ($3, $5)
915 && !IS_A1 ($9) && IS_A1 ($11))
917 notethat ("dsp32alu: dregs = A0 + A1 , dregs = A0 - A1 (amod1)\n");
918 $$ = DSP32ALU (17, 0, &$1, &$7, 0, 0, $12.s0, $12.x0, 1);
921 return yyerror ("Register mismatch");
924 | REG ASSIGN REG plus_minus REG COMMA REG ASSIGN REG plus_minus REG amod1
927 return yyerror ("Operators must differ");
929 if (IS_DREG ($1) && IS_DREG ($3) && IS_DREG ($5)
930 && REG_SAME ($3, $9) && REG_SAME ($5, $11))
932 notethat ("dsp32alu: dregs = dregs + dregs,"
933 "dregs = dregs - dregs (amod1)\n");
934 $$ = DSP32ALU (4, 0, &$1, &$7, &$3, &$5, $12.s0, $12.x0, 2);
937 return yyerror ("Register mismatch");
940 /* Bar Operations. */
942 | REG ASSIGN REG op_bar_op REG COMMA REG ASSIGN REG op_bar_op REG amod2
944 if (!REG_SAME ($3, $9) || !REG_SAME ($5, $11))
945 return yyerror ("Differing source registers");
947 if (!IS_DREG ($1) || !IS_DREG ($3) || !IS_DREG ($5) || !IS_DREG ($7))
948 return yyerror ("Dregs expected");
950 if (REG_SAME ($1, $7))
951 return yyerror ("Resource conflict in dest reg");
953 if ($4.r0 == 1 && $10.r0 == 2)
955 notethat ("dsp32alu: dregs = dregs .|. dregs , dregs = dregs .|. dregs (amod2)\n");
956 $$ = DSP32ALU (1, 1, &$1, &$7, &$3, &$5, $12.s0, $12.x0, $12.r0);
958 else if ($4.r0 == 0 && $10.r0 == 3)
960 notethat ("dsp32alu: dregs = dregs .|. dregs , dregs = dregs .|. dregs (amod2)\n");
961 $$ = DSP32ALU (1, 0, &$1, &$7, &$3, &$5, $12.s0, $12.x0, $12.r0);
964 return yyerror ("Bar operand mismatch");
967 | REG ASSIGN ABS REG vmod
971 if (IS_DREG ($1) && IS_DREG ($4))
975 notethat ("dsp32alu: dregs = ABS dregs (v)\n");
980 /* Vector version of ABS. */
981 notethat ("dsp32alu: dregs = ABS dregs\n");
984 $$ = DSP32ALU (op, 0, 0, &$1, &$4, 0, 0, 0, 2);
987 return yyerror ("Dregs expected");
991 notethat ("dsp32alu: Ax = ABS Ax\n");
992 $$ = DSP32ALU (16, IS_A1 ($1), 0, 0, 0, 0, 0, 0, IS_A1 ($3));
994 | A_ZERO_DOT_L ASSIGN HALF_REG
998 notethat ("dsp32alu: A0.l = reg_half\n");
999 $$ = DSP32ALU (9, IS_H ($3), 0, 0, &$3, 0, 0, 0, 0);
1002 return yyerror ("A0.l = Rx.l expected");
1004 | A_ONE_DOT_L ASSIGN HALF_REG
1008 notethat ("dsp32alu: A1.l = reg_half\n");
1009 $$ = DSP32ALU (9, IS_H ($3), 0, 0, &$3, 0, 0, 0, 2);
1012 return yyerror ("A1.l = Rx.l expected");
1015 | REG ASSIGN c_align LPAREN REG COMMA REG RPAREN
1017 if (IS_DREG ($1) && IS_DREG ($5) && IS_DREG ($7))
1019 notethat ("dsp32shift: dregs = ALIGN8 (dregs , dregs )\n");
1020 $$ = DSP32SHIFT (13, &$1, &$7, &$5, $3.r0, 0);
1023 return yyerror ("Dregs expected");
1026 | REG ASSIGN BYTEOP1P LPAREN REG COLON expr COMMA REG COLON expr RPAREN byteop_mod
1029 return yyerror ("Dregs expected");
1030 else if (!valid_dreg_pair (&$5, $7))
1031 return yyerror ("Bad dreg pair");
1032 else if (!valid_dreg_pair (&$9, $11))
1033 return yyerror ("Bad dreg pair");
1036 notethat ("dsp32alu: dregs = BYTEOP1P (dregs_pair , dregs_pair ) (T)\n");
1037 $$ = DSP32ALU (20, 0, 0, &$1, &$5, &$9, $13.s0, 0, $13.r0);
1040 | REG ASSIGN BYTEOP1P LPAREN REG COLON expr COMMA REG COLON expr RPAREN
1043 return yyerror ("Dregs expected");
1044 else if (!valid_dreg_pair (&$5, $7))
1045 return yyerror ("Bad dreg pair");
1046 else if (!valid_dreg_pair (&$9, $11))
1047 return yyerror ("Bad dreg pair");
1050 notethat ("dsp32alu: dregs = BYTEOP1P (dregs_pair , dregs_pair ) (T)\n");
1051 $$ = DSP32ALU (20, 0, 0, &$1, &$5, &$9, 0, 0, 0);
1055 | REG ASSIGN BYTEOP2P LPAREN REG COLON expr COMMA REG COLON expr RPAREN
1059 return yyerror ("Dregs expected");
1060 else if (!valid_dreg_pair (&$5, $7))
1061 return yyerror ("Bad dreg pair");
1062 else if (!valid_dreg_pair (&$9, $11))
1063 return yyerror ("Bad dreg pair");
1066 notethat ("dsp32alu: dregs = BYTEOP2P (dregs_pair , dregs_pair ) (rnd_op)\n");
1067 $$ = DSP32ALU (22, $13.r0, 0, &$1, &$5, &$9, $13.s0, $13.x0, $13.aop);
1071 | REG ASSIGN BYTEOP3P LPAREN REG COLON expr COMMA REG COLON expr RPAREN
1075 return yyerror ("Dregs expected");
1076 else if (!valid_dreg_pair (&$5, $7))
1077 return yyerror ("Bad dreg pair");
1078 else if (!valid_dreg_pair (&$9, $11))
1079 return yyerror ("Bad dreg pair");
1082 notethat ("dsp32alu: dregs = BYTEOP3P (dregs_pair , dregs_pair ) (b3_op)\n");
1083 $$ = DSP32ALU (23, $13.x0, 0, &$1, &$5, &$9, $13.s0, 0, 0);
1087 | REG ASSIGN BYTEPACK LPAREN REG COMMA REG RPAREN
1089 if (IS_DREG ($1) && IS_DREG ($5) && IS_DREG ($7))
1091 notethat ("dsp32alu: dregs = BYTEPACK (dregs , dregs )\n");
1092 $$ = DSP32ALU (24, 0, 0, &$1, &$5, &$7, 0, 0, 0);
1095 return yyerror ("Dregs expected");
1098 | HALF_REG ASSIGN HALF_REG ASSIGN SIGN LPAREN HALF_REG RPAREN STAR
1099 HALF_REG PLUS SIGN LPAREN HALF_REG RPAREN STAR HALF_REG
1101 if (IS_HCOMPL ($1, $3) && IS_HCOMPL ($7, $14) && IS_HCOMPL ($10, $17))
1103 notethat ("dsp32alu: dregs_hi = dregs_lo ="
1104 "SIGN (dregs_hi) * dregs_hi + "
1105 "SIGN (dregs_lo) * dregs_lo \n");
1107 $$ = DSP32ALU (12, 0, 0, &$1, &$7, &$10, 0, 0, 0);
1110 return yyerror ("Dregs expected");
1112 | REG ASSIGN REG plus_minus REG amod1
1114 if (IS_DREG ($1) && IS_DREG ($3) && IS_DREG ($5))
1118 /* No saturation flag specified, generate the 16 bit variant. */
1119 notethat ("COMP3op: dregs = dregs +- dregs\n");
1120 $$ = COMP3OP (&$1, &$3, &$5, $4.r0);
1124 /* Saturation flag specified, generate the 32 bit variant. */
1125 notethat ("dsp32alu: dregs = dregs +- dregs (amod1)\n");
1126 $$ = DSP32ALU (4, 0, 0, &$1, &$3, &$5, $6.s0, $6.x0, $4.r0);
1130 if (IS_PREG ($1) && IS_PREG ($3) && IS_PREG ($5) && $4.r0 == 0)
1132 notethat ("COMP3op: pregs = pregs + pregs\n");
1133 $$ = COMP3OP (&$1, &$3, &$5, 5);
1136 return yyerror ("Dregs expected");
1138 | REG ASSIGN min_max LPAREN REG COMMA REG RPAREN vmod
1142 if (IS_DREG ($1) && IS_DREG ($5) && IS_DREG ($7))
1149 notethat ("dsp32alu: dregs = {MIN|MAX} (dregs, dregs)\n");
1150 $$ = DSP32ALU (op, 0, 0, &$1, &$5, &$7, 0, 0, $3.r0);
1153 return yyerror ("Dregs expected");
1156 | a_assign MINUS REG_A
1158 notethat ("dsp32alu: Ax = - Ax\n");
1159 $$ = DSP32ALU (14, IS_A1 ($1), 0, 0, 0, 0, 0, 0, IS_A1 ($3));
1161 | HALF_REG ASSIGN HALF_REG plus_minus HALF_REG amod1
1163 notethat ("dsp32alu: dregs_lo = dregs_lo +- dregs_lo (amod1)\n");
1164 $$ = DSP32ALU (2 | $4.r0, IS_H ($1), 0, &$1, &$3, &$5,
1165 $6.s0, $6.x0, HL2 ($3, $5));
1167 | a_assign a_assign expr
1169 if (EXPR_VALUE ($3) == 0 && !REG_SAME ($1, $2))
1171 notethat ("dsp32alu: A1 = A0 = 0\n");
1172 $$ = DSP32ALU (8, 0, 0, 0, 0, 0, 0, 0, 2);
1175 return yyerror ("Bad value, 0 expected");
1179 | a_assign REG_A LPAREN S RPAREN
1181 if (REG_SAME ($1, $2))
1183 notethat ("dsp32alu: Ax = Ax (S)\n");
1184 $$ = DSP32ALU (8, 0, 0, 0, 0, 0, 1, 0, IS_A1 ($1));
1187 return yyerror ("Registers must be equal");
1190 | HALF_REG ASSIGN REG LPAREN RND RPAREN
1194 notethat ("dsp32alu: dregs_half = dregs (RND)\n");
1195 $$ = DSP32ALU (12, IS_H ($1), 0, &$1, &$3, 0, 0, 0, 3);
1198 return yyerror ("Dregs expected");
1201 | HALF_REG ASSIGN REG plus_minus REG LPAREN RND12 RPAREN
1203 if (IS_DREG ($3) && IS_DREG ($5))
1205 notethat ("dsp32alu: dregs_half = dregs (+-) dregs (RND12)\n");
1206 $$ = DSP32ALU (5, IS_H ($1), 0, &$1, &$3, &$5, 0, 0, $4.r0);
1209 return yyerror ("Dregs expected");
1212 | HALF_REG ASSIGN REG plus_minus REG LPAREN RND20 RPAREN
1214 if (IS_DREG ($3) && IS_DREG ($5))
1216 notethat ("dsp32alu: dregs_half = dregs -+ dregs (RND20)\n");
1217 $$ = DSP32ALU (5, IS_H ($1), 0, &$1, &$3, &$5, 0, 1, $4.r0 | 2);
1220 return yyerror ("Dregs expected");
1225 if (!REG_SAME ($1, $2))
1227 notethat ("dsp32alu: An = Am\n");
1228 $$ = DSP32ALU (8, 0, 0, 0, 0, 0, IS_A1 ($1), 0, 3);
1231 return yyerror ("Accu reg arguments must differ");
1238 notethat ("dsp32alu: An = dregs\n");
1239 $$ = DSP32ALU (9, 0, 0, 0, &$2, 0, 1, 0, IS_A1 ($1) << 1);
1242 return yyerror ("Dregs expected");
1245 | REG ASSIGN HALF_REG xpmod
1249 if ($1.regno == REG_A0x && IS_DREG ($3))
1251 notethat ("dsp32alu: A0.x = dregs_lo\n");
1252 $$ = DSP32ALU (9, 0, 0, 0, &$3, 0, 0, 0, 1);
1254 else if ($1.regno == REG_A1x && IS_DREG ($3))
1256 notethat ("dsp32alu: A1.x = dregs_lo\n");
1257 $$ = DSP32ALU (9, 0, 0, 0, &$3, 0, 0, 0, 3);
1259 else if (IS_DREG ($1) && IS_DREG ($3))
1261 notethat ("ALU2op: dregs = dregs_lo\n");
1262 $$ = ALU2OP (&$1, &$3, 10 | ($4.r0 ? 0: 1));
1265 return yyerror ("Register mismatch");
1268 return yyerror ("Low reg expected");
1271 | HALF_REG ASSIGN expr
1273 notethat ("LDIMMhalf: pregs_half = imm16\n");
1275 if (!IS_DREG ($1) && !IS_PREG ($1) && !IS_IREG ($1)
1276 && !IS_MREG ($1) && !IS_BREG ($1) && !IS_LREG ($1))
1277 return yyerror ("Wrong register for load immediate");
1279 if (!IS_IMM ($3, 16) && !IS_UIMM ($3, 16))
1280 return yyerror ("Constant out of range");
1282 $$ = LDIMMHALF_R (&$1, IS_H ($1), 0, 0, $3);
1287 notethat ("dsp32alu: An = 0\n");
1290 return yyerror ("0 expected");
1292 $$ = DSP32ALU (8, 0, 0, 0, 0, 0, 0, 0, IS_A1 ($1));
1295 | REG ASSIGN expr xpmod1
1297 if (!IS_DREG ($1) && !IS_PREG ($1) && !IS_IREG ($1)
1298 && !IS_MREG ($1) && !IS_BREG ($1) && !IS_LREG ($1))
1299 return yyerror ("Wrong register for load immediate");
1303 /* 7 bit immediate value if possible.
1304 We will check for that constant value for efficiency
1305 If it goes to reloc, it will be 16 bit. */
1306 if (IS_CONST ($3) && IS_IMM ($3, 7) && IS_DREG ($1))
1308 notethat ("COMPI2opD: dregs = imm7 (x) \n");
1309 $$ = COMPI2OPD (&$1, imm7 ($3), 0);
1311 else if (IS_CONST ($3) && IS_IMM ($3, 7) && IS_PREG ($1))
1313 notethat ("COMPI2opP: pregs = imm7 (x)\n");
1314 $$ = COMPI2OPP (&$1, imm7 ($3), 0);
1318 if (IS_CONST ($3) && !IS_IMM ($3, 16))
1319 return yyerror ("Immediate value out of range");
1321 notethat ("LDIMMhalf: regs = luimm16 (x)\n");
1323 $$ = LDIMMHALF_R5 (&$1, 0, 1, 0, $3);
1328 /* (z) There is no 7 bit zero extended instruction.
1329 If the expr is a relocation, generate it. */
1331 if (IS_CONST ($3) && !IS_UIMM ($3, 16))
1332 return yyerror ("Immediate value out of range");
1334 notethat ("LDIMMhalf: regs = luimm16 (x)\n");
1336 $$ = LDIMMHALF_R5 (&$1, 0, 0, 1, $3);
1340 | HALF_REG ASSIGN REG
1343 return yyerror ("Low reg expected");
1345 if (IS_DREG ($1) && $3.regno == REG_A0x)
1347 notethat ("dsp32alu: dregs_lo = A0.x\n");
1348 $$ = DSP32ALU (10, 0, 0, &$1, 0, 0, 0, 0, 0);
1350 else if (IS_DREG ($1) && $3.regno == REG_A1x)
1352 notethat ("dsp32alu: dregs_lo = A1.x\n");
1353 $$ = DSP32ALU (10, 0, 0, &$1, 0, 0, 0, 0, 1);
1356 return yyerror ("Register mismatch");
1359 | REG ASSIGN REG op_bar_op REG amod0
1361 if (IS_DREG ($1) && IS_DREG ($3) && IS_DREG ($5))
1363 notethat ("dsp32alu: dregs = dregs .|. dregs (amod0)\n");
1364 $$ = DSP32ALU (0, 0, 0, &$1, &$3, &$5, $6.s0, $6.x0, $4.r0);
1367 return yyerror ("Register mismatch");
1370 | REG ASSIGN BYTE_DREG xpmod
1372 if (IS_DREG ($1) && IS_DREG ($3))
1374 notethat ("ALU2op: dregs = dregs_byte\n");
1375 $$ = ALU2OP (&$1, &$3, 12 | ($4.r0 ? 0: 1));
1378 return yyerror ("Register mismatch");
1381 | a_assign ABS REG_A COMMA a_assign ABS REG_A
1383 if (REG_SAME ($1, $3) && REG_SAME ($5, $7) && !REG_SAME ($1, $5))
1385 notethat ("dsp32alu: A1 = ABS A1 , A0 = ABS A0\n");
1386 $$ = DSP32ALU (16, 0, 0, 0, 0, 0, 0, 0, 3);
1389 return yyerror ("Register mismatch");
1392 | a_assign MINUS REG_A COMMA a_assign MINUS REG_A
1394 if (REG_SAME ($1, $3) && REG_SAME ($5, $7) && !REG_SAME ($1, $5))
1396 notethat ("dsp32alu: A1 = - A1 , A0 = - A0\n");
1397 $$ = DSP32ALU (14, 0, 0, 0, 0, 0, 0, 0, 3);
1400 return yyerror ("Register mismatch");
1403 | a_minusassign REG_A w32_or_nothing
1405 if (!IS_A1 ($1) && IS_A1 ($2))
1407 notethat ("dsp32alu: A0 -= A1\n");
1408 $$ = DSP32ALU (11, 0, 0, 0, 0, 0, $3.r0, 0, 3);
1411 return yyerror ("Register mismatch");
1414 | REG _MINUS_ASSIGN expr
1416 if (IS_IREG ($1) && EXPR_VALUE ($3) == 4)
1418 notethat ("dagMODik: iregs -= 4\n");
1419 $$ = DAGMODIK (&$1, 3);
1421 else if (IS_IREG ($1) && EXPR_VALUE ($3) == 2)
1423 notethat ("dagMODik: iregs -= 2\n");
1424 $$ = DAGMODIK (&$1, 1);
1427 return yyerror ("Register or value mismatch");
1430 | REG _PLUS_ASSIGN REG LPAREN BREV RPAREN
1432 if (IS_IREG ($1) && IS_MREG ($3))
1434 notethat ("dagMODim: iregs += mregs (opt_brev)\n");
1436 $$ = DAGMODIM (&$1, &$3, 0, 1);
1438 else if (IS_PREG ($1) && IS_PREG ($3))
1440 notethat ("PTR2op: pregs += pregs (BREV )\n");
1441 $$ = PTR2OP (&$1, &$3, 5);
1444 return yyerror ("Register mismatch");
1447 | REG _MINUS_ASSIGN REG
1449 if (IS_IREG ($1) && IS_MREG ($3))
1451 notethat ("dagMODim: iregs -= mregs\n");
1452 $$ = DAGMODIM (&$1, &$3, 1, 0);
1454 else if (IS_PREG ($1) && IS_PREG ($3))
1456 notethat ("PTR2op: pregs -= pregs\n");
1457 $$ = PTR2OP (&$1, &$3, 0);
1460 return yyerror ("Register mismatch");
1463 | REG_A _PLUS_ASSIGN REG_A w32_or_nothing
1465 if (!IS_A1 ($1) && IS_A1 ($3))
1467 notethat ("dsp32alu: A0 += A1 (W32)\n");
1468 $$ = DSP32ALU (11, 0, 0, 0, 0, 0, $4.r0, 0, 2);
1471 return yyerror ("Register mismatch");
1474 | REG _PLUS_ASSIGN REG
1476 if (IS_IREG ($1) && IS_MREG ($3))
1478 notethat ("dagMODim: iregs += mregs\n");
1479 $$ = DAGMODIM (&$1, &$3, 0, 0);
1482 return yyerror ("iregs += mregs expected");
1485 | REG _PLUS_ASSIGN expr
1489 if (EXPR_VALUE ($3) == 4)
1491 notethat ("dagMODik: iregs += 4\n");
1492 $$ = DAGMODIK (&$1, 2);
1494 else if (EXPR_VALUE ($3) == 2)
1496 notethat ("dagMODik: iregs += 2\n");
1497 $$ = DAGMODIK (&$1, 0);
1500 return yyerror ("iregs += [ 2 | 4 ");
1502 else if (IS_PREG ($1) && IS_IMM ($3, 7))
1504 notethat ("COMPI2opP: pregs += imm7\n");
1505 $$ = COMPI2OPP (&$1, imm7 ($3), 1);
1507 else if (IS_DREG ($1) && IS_IMM ($3, 7))
1509 notethat ("COMPI2opD: dregs += imm7\n");
1510 $$ = COMPI2OPD (&$1, imm7 ($3), 1);
1512 else if ((IS_DREG ($1) || IS_PREG ($1)) && IS_CONST ($3))
1513 return yyerror ("Immediate value out of range");
1515 return yyerror ("Register mismatch");
1518 | REG _STAR_ASSIGN REG
1520 if (IS_DREG ($1) && IS_DREG ($3))
1522 notethat ("ALU2op: dregs *= dregs\n");
1523 $$ = ALU2OP (&$1, &$3, 3);
1526 return yyerror ("Register mismatch");
1529 | SAA LPAREN REG COLON expr COMMA REG COLON expr RPAREN aligndir
1531 if (!valid_dreg_pair (&$3, $5))
1532 return yyerror ("Bad dreg pair");
1533 else if (!valid_dreg_pair (&$7, $9))
1534 return yyerror ("Bad dreg pair");
1537 notethat ("dsp32alu: SAA (dregs_pair , dregs_pair ) (aligndir)\n");
1538 $$ = DSP32ALU (18, 0, 0, 0, &$3, &$7, $11.r0, 0, 0);
1542 | a_assign REG_A LPAREN S RPAREN COMMA a_assign REG_A LPAREN S RPAREN
1544 if (REG_SAME ($1, $2) && REG_SAME ($7, $8) && !REG_SAME ($1, $7))
1546 notethat ("dsp32alu: A1 = A1 (S) , A0 = A0 (S)\n");
1547 $$ = DSP32ALU (8, 0, 0, 0, 0, 0, 1, 0, 2);
1550 return yyerror ("Register mismatch");
1553 | REG ASSIGN LPAREN REG PLUS REG RPAREN LESS_LESS expr
1555 if (IS_DREG ($1) && IS_DREG ($4) && IS_DREG ($6)
1556 && REG_SAME ($1, $4))
1558 if (EXPR_VALUE ($9) == 1)
1560 notethat ("ALU2op: dregs = (dregs + dregs) << 1\n");
1561 $$ = ALU2OP (&$1, &$6, 4);
1563 else if (EXPR_VALUE ($9) == 2)
1565 notethat ("ALU2op: dregs = (dregs + dregs) << 2\n");
1566 $$ = ALU2OP (&$1, &$6, 5);
1569 return yyerror ("Bad shift value");
1571 else if (IS_PREG ($1) && IS_PREG ($4) && IS_PREG ($6)
1572 && REG_SAME ($1, $4))
1574 if (EXPR_VALUE ($9) == 1)
1576 notethat ("PTR2op: pregs = (pregs + pregs) << 1\n");
1577 $$ = PTR2OP (&$1, &$6, 6);
1579 else if (EXPR_VALUE ($9) == 2)
1581 notethat ("PTR2op: pregs = (pregs + pregs) << 2\n");
1582 $$ = PTR2OP (&$1, &$6, 7);
1585 return yyerror ("Bad shift value");
1588 return yyerror ("Register mismatch");
1592 | REG ASSIGN REG BAR REG
1594 if (IS_DREG ($1) && IS_DREG ($3) && IS_DREG ($5))
1596 notethat ("COMP3op: dregs = dregs | dregs\n");
1597 $$ = COMP3OP (&$1, &$3, &$5, 3);
1600 return yyerror ("Dregs expected");
1602 | REG ASSIGN REG CARET REG
1604 if (IS_DREG ($1) && IS_DREG ($3) && IS_DREG ($5))
1606 notethat ("COMP3op: dregs = dregs ^ dregs\n");
1607 $$ = COMP3OP (&$1, &$3, &$5, 4);
1610 return yyerror ("Dregs expected");
1612 | REG ASSIGN REG PLUS LPAREN REG LESS_LESS expr RPAREN
1614 if (IS_PREG ($1) && IS_PREG ($3) && IS_PREG ($6))
1616 if (EXPR_VALUE ($8) == 1)
1618 notethat ("COMP3op: pregs = pregs + (pregs << 1)\n");
1619 $$ = COMP3OP (&$1, &$3, &$6, 6);
1621 else if (EXPR_VALUE ($8) == 2)
1623 notethat ("COMP3op: pregs = pregs + (pregs << 2)\n");
1624 $$ = COMP3OP (&$1, &$3, &$6, 7);
1627 return yyerror ("Bad shift value");
1630 return yyerror ("Dregs expected");
1632 | CCREG ASSIGN REG_A _ASSIGN_ASSIGN REG_A
1634 if ($3.regno == REG_A0 && $5.regno == REG_A1)
1636 notethat ("CCflag: CC = A0 == A1\n");
1637 $$ = CCFLAG (0, 0, 5, 0, 0);
1640 return yyerror ("AREGs are in bad order or same");
1642 | CCREG ASSIGN REG_A LESS_THAN REG_A
1644 if ($3.regno == REG_A0 && $5.regno == REG_A1)
1646 notethat ("CCflag: CC = A0 < A1\n");
1647 $$ = CCFLAG (0, 0, 6, 0, 0);
1650 return yyerror ("AREGs are in bad order or same");
1652 | CCREG ASSIGN REG LESS_THAN REG iu_or_nothing
1654 if ((IS_DREG ($3) && IS_DREG ($5))
1655 || (IS_PREG ($3) && IS_PREG ($5)))
1657 notethat ("CCflag: CC = dpregs < dpregs\n");
1658 $$ = CCFLAG (&$3, $5.regno & CODE_MASK, $6.r0, 0, IS_PREG ($3) ? 1 : 0);
1661 return yyerror ("Bad register in comparison");
1663 | CCREG ASSIGN REG LESS_THAN expr iu_or_nothing
1665 if (!IS_DREG ($3) && !IS_PREG ($3))
1666 return yyerror ("Bad register in comparison");
1668 if (($6.r0 == 1 && IS_IMM ($5, 3))
1669 || ($6.r0 == 3 && IS_UIMM ($5, 3)))
1671 notethat ("CCflag: CC = dpregs < (u)imm3\n");
1672 $$ = CCFLAG (&$3, imm3 ($5), $6.r0, 1, IS_PREG ($3) ? 1 : 0);
1675 return yyerror ("Bad constant value");
1677 | CCREG ASSIGN REG _ASSIGN_ASSIGN REG
1679 if ((IS_DREG ($3) && IS_DREG ($5))
1680 || (IS_PREG ($3) && IS_PREG ($5)))
1682 notethat ("CCflag: CC = dpregs == dpregs\n");
1683 $$ = CCFLAG (&$3, $5.regno & CODE_MASK, 0, 0, IS_PREG ($3) ? 1 : 0);
1686 return yyerror ("Bad register in comparison");
1688 | CCREG ASSIGN REG _ASSIGN_ASSIGN expr
1690 if (!IS_DREG ($3) && !IS_PREG ($3))
1691 return yyerror ("Bad register in comparison");
1695 notethat ("CCflag: CC = dpregs == imm3\n");
1696 $$ = CCFLAG (&$3, imm3 ($5), 0, 1, IS_PREG ($3) ? 1 : 0);
1699 return yyerror ("Bad constant range");
1701 | CCREG ASSIGN REG_A _LESS_THAN_ASSIGN REG_A
1703 if ($3.regno == REG_A0 && $5.regno == REG_A1)
1705 notethat ("CCflag: CC = A0 <= A1\n");
1706 $$ = CCFLAG (0, 0, 7, 0, 0);
1709 return yyerror ("AREGs are in bad order or same");
1711 | CCREG ASSIGN REG _LESS_THAN_ASSIGN REG iu_or_nothing
1713 if ((IS_DREG ($3) && IS_DREG ($5))
1714 || (IS_PREG ($3) && IS_PREG ($5)))
1716 notethat ("CCflag: CC = dpregs <= dpregs (..)\n");
1717 $$ = CCFLAG (&$3, $5.regno & CODE_MASK,
1718 1 + $6.r0, 0, IS_PREG ($3) ? 1 : 0);
1721 return yyerror ("Bad register in comparison");
1723 | CCREG ASSIGN REG _LESS_THAN_ASSIGN expr iu_or_nothing
1725 if (!IS_DREG ($3) && !IS_PREG ($3))
1726 return yyerror ("Bad register in comparison");
1728 if (($6.r0 == 1 && IS_IMM ($5, 3))
1729 || ($6.r0 == 3 && IS_UIMM ($5, 3)))
1731 notethat ("CCflag: CC = dpregs <= (u)imm3\n");
1732 $$ = CCFLAG (&$3, imm3 ($5), 1 + $6.r0, 1, IS_PREG ($3) ? 1 : 0);
1735 return yyerror ("Bad constant value");
1738 | REG ASSIGN REG AMPERSAND REG
1740 if (IS_DREG ($1) && IS_DREG ($3) && IS_DREG ($5))
1742 notethat ("COMP3op: dregs = dregs & dregs\n");
1743 $$ = COMP3OP (&$1, &$3, &$5, 2);
1746 return yyerror ("Dregs expected");
1751 notethat ("CC2stat operation\n");
1752 $$ = bfin_gen_cc2stat ($1.r0, $1.x0, $1.s0);
1757 if ((IS_GENREG ($1) && IS_GENREG ($3))
1758 || (IS_GENREG ($1) && IS_DAGREG ($3))
1759 || (IS_DAGREG ($1) && IS_GENREG ($3))
1760 || (IS_DAGREG ($1) && IS_DAGREG ($3))
1761 || (IS_GENREG ($1) && $3.regno == REG_USP)
1762 || ($1.regno == REG_USP && IS_GENREG ($3))
1763 || ($1.regno == REG_USP && $3.regno == REG_USP)
1764 || (IS_DREG ($1) && IS_SYSREG ($3))
1765 || (IS_PREG ($1) && IS_SYSREG ($3))
1766 || (IS_SYSREG ($1) && IS_GENREG ($3))
1767 || (IS_ALLREG ($1) && IS_EMUDAT ($3))
1768 || (IS_EMUDAT ($1) && IS_ALLREG ($3))
1769 || (IS_SYSREG ($1) && $3.regno == REG_USP))
1771 $$ = bfin_gen_regmv (&$3, &$1);
1774 return yyerror ("Unsupported register move");
1781 notethat ("CC2dreg: CC = dregs\n");
1782 $$ = bfin_gen_cc2dreg (1, &$3);
1785 return yyerror ("Only 'CC = Dreg' supported");
1792 notethat ("CC2dreg: dregs = CC\n");
1793 $$ = bfin_gen_cc2dreg (0, &$1);
1796 return yyerror ("Only 'Dreg = CC' supported");
1799 | CCREG _ASSIGN_BANG CCREG
1801 notethat ("CC2dreg: CC =! CC\n");
1802 $$ = bfin_gen_cc2dreg (3, 0);
1807 | HALF_REG ASSIGN multiply_halfregs opt_mode
1809 notethat ("dsp32mult: dregs_half = multiply_halfregs (opt_mode)\n");
1811 if (!IS_H ($1) && $4.MM)
1812 return yyerror ("(M) not allowed with MAC0");
1814 if ($4.mod != 0 && $4.mod != M_FU && $4.mod != M_IS
1815 && $4.mod != M_IU && $4.mod != M_T && $4.mod != M_TFU
1816 && $4.mod != M_S2RND && $4.mod != M_ISS2 && $4.mod != M_IH)
1817 return yyerror ("bad option.");
1821 $$ = DSP32MULT (0, $4.MM, $4.mod, 1, 0,
1822 IS_H ($3.s0), IS_H ($3.s1), 0, 0,
1823 &$1, 0, &$3.s0, &$3.s1, 0);
1827 $$ = DSP32MULT (0, 0, $4.mod, 0, 0,
1828 0, 0, IS_H ($3.s0), IS_H ($3.s1),
1829 &$1, 0, &$3.s0, &$3.s1, 1);
1833 | REG ASSIGN multiply_halfregs opt_mode
1835 /* Odd registers can use (M). */
1837 return yyerror ("Dreg expected");
1839 if (IS_EVEN ($1) && $4.MM)
1840 return yyerror ("(M) not allowed with MAC0");
1842 if ($4.mod != 0 && $4.mod != M_FU && $4.mod != M_IS
1843 && $4.mod != M_S2RND && $4.mod != M_ISS2)
1844 return yyerror ("bad option");
1848 notethat ("dsp32mult: dregs = multiply_halfregs (opt_mode)\n");
1850 $$ = DSP32MULT (0, $4.MM, $4.mod, 1, 1,
1851 IS_H ($3.s0), IS_H ($3.s1), 0, 0,
1852 &$1, 0, &$3.s0, &$3.s1, 0);
1856 notethat ("dsp32mult: dregs = multiply_halfregs opt_mode\n");
1857 $$ = DSP32MULT (0, 0, $4.mod, 0, 1,
1858 0, 0, IS_H ($3.s0), IS_H ($3.s1),
1859 &$1, 0, &$3.s0, &$3.s1, 1);
1863 | HALF_REG ASSIGN multiply_halfregs opt_mode COMMA
1864 HALF_REG ASSIGN multiply_halfregs opt_mode
1866 if (!IS_DREG ($1) || !IS_DREG ($6))
1867 return yyerror ("Dregs expected");
1869 if (!IS_HCOMPL($1, $6))
1870 return yyerror ("Dest registers mismatch");
1872 if (check_multiply_halfregs (&$3, &$8) < 0)
1875 if ((!IS_H ($1) && $4.MM)
1876 || (!IS_H ($6) && $9.MM))
1877 return yyerror ("(M) not allowed with MAC0");
1879 notethat ("dsp32mult: dregs_hi = multiply_halfregs mxd_mod, "
1880 "dregs_lo = multiply_halfregs opt_mode\n");
1883 $$ = DSP32MULT (0, $4.MM, $9.mod, 1, 0,
1884 IS_H ($3.s0), IS_H ($3.s1), IS_H ($8.s0), IS_H ($8.s1),
1885 &$1, 0, &$3.s0, &$3.s1, 1);
1887 $$ = DSP32MULT (0, $9.MM, $9.mod, 1, 0,
1888 IS_H ($8.s0), IS_H ($8.s1), IS_H ($3.s0), IS_H ($3.s1),
1889 &$1, 0, &$3.s0, &$3.s1, 1);
1892 | REG ASSIGN multiply_halfregs opt_mode COMMA REG ASSIGN multiply_halfregs opt_mode
1894 if (!IS_DREG ($1) || !IS_DREG ($6))
1895 return yyerror ("Dregs expected");
1897 if ((IS_EVEN ($1) && $6.regno - $1.regno != 1)
1898 || (IS_EVEN ($6) && $1.regno - $6.regno != 1))
1899 return yyerror ("Dest registers mismatch");
1901 if (check_multiply_halfregs (&$3, &$8) < 0)
1904 if ((IS_EVEN ($1) && $4.MM)
1905 || (IS_EVEN ($6) && $9.MM))
1906 return yyerror ("(M) not allowed with MAC0");
1908 notethat ("dsp32mult: dregs = multiply_halfregs mxd_mod, "
1909 "dregs = multiply_halfregs opt_mode\n");
1912 $$ = DSP32MULT (0, $9.MM, $9.mod, 1, 1,
1913 IS_H ($8.s0), IS_H ($8.s1), IS_H ($3.s0), IS_H ($3.s1),
1914 &$1, 0, &$3.s0, &$3.s1, 1);
1916 $$ = DSP32MULT (0, $4.MM, $9.mod, 1, 1,
1917 IS_H ($3.s0), IS_H ($3.s1), IS_H ($8.s0), IS_H ($8.s1),
1918 &$1, 0, &$3.s0, &$3.s1, 1);
1923 | a_assign ASHIFT REG_A BY HALF_REG
1925 if (!REG_SAME ($1, $3))
1926 return yyerror ("Aregs must be same");
1928 if (IS_DREG ($5) && !IS_H ($5))
1930 notethat ("dsp32shift: A0 = ASHIFT A0 BY dregs_lo\n");
1931 $$ = DSP32SHIFT (3, 0, &$5, 0, 0, IS_A1 ($1));
1934 return yyerror ("Dregs expected");
1937 | HALF_REG ASSIGN ASHIFT HALF_REG BY HALF_REG smod
1939 if (IS_DREG ($6) && !IS_H ($6))
1941 notethat ("dsp32shift: dregs_half = ASHIFT dregs_half BY dregs_lo\n");
1942 $$ = DSP32SHIFT (0, &$1, &$6, &$4, $7.s0, HL2 ($1, $4));
1945 return yyerror ("Dregs expected");
1948 | a_assign REG_A LESS_LESS expr
1950 if (!REG_SAME ($1, $2))
1951 return yyerror ("Aregs must be same");
1953 if (IS_UIMM ($4, 5))
1955 notethat ("dsp32shiftimm: A0 = A0 << uimm5\n");
1956 $$ = DSP32SHIFTIMM (3, 0, imm5 ($4), 0, 0, IS_A1 ($1));
1959 return yyerror ("Bad shift value");
1962 | REG ASSIGN REG LESS_LESS expr vsmod
1964 if (IS_DREG ($1) && IS_DREG ($3) && IS_UIMM ($5, 5))
1969 notethat ("dsp32shiftimm: dregs = dregs << expr (V, .)\n");
1970 $$ = DSP32SHIFTIMM (1, &$1, imm4 ($5), &$3, $6.s0 ? 1 : 2, 0);
1974 notethat ("dsp32shiftimm: dregs = dregs << uimm5 (.)\n");
1975 $$ = DSP32SHIFTIMM (2, &$1, imm6 ($5), &$3, $6.s0 ? 1 : 2, 0);
1978 else if ($6.s0 == 0 && IS_PREG ($1) && IS_PREG ($3))
1980 if (EXPR_VALUE ($5) == 2)
1982 notethat ("PTR2op: pregs = pregs << 2\n");
1983 $$ = PTR2OP (&$1, &$3, 1);
1985 else if (EXPR_VALUE ($5) == 1)
1987 notethat ("COMP3op: pregs = pregs << 1\n");
1988 $$ = COMP3OP (&$1, &$3, &$3, 5);
1991 return yyerror ("Bad shift value");
1994 return yyerror ("Bad shift value or register");
1996 | HALF_REG ASSIGN HALF_REG LESS_LESS expr smod
1998 if (IS_UIMM ($5, 4))
2002 notethat ("dsp32shiftimm: dregs_half = dregs_half << uimm4 (S)\n");
2003 $$ = DSP32SHIFTIMM (0x0, &$1, imm5 ($5), &$3, $6.s0, HL2 ($1, $3));
2007 notethat ("dsp32shiftimm: dregs_half = dregs_half << uimm4\n");
2008 $$ = DSP32SHIFTIMM (0x0, &$1, imm5 ($5), &$3, 2, HL2 ($1, $3));
2012 return yyerror ("Bad shift value");
2014 | REG ASSIGN ASHIFT REG BY HALF_REG vsmod
2018 if (IS_DREG ($1) && IS_DREG ($4) && IS_DREG ($6) && !IS_H ($6))
2023 notethat ("dsp32shift: dregs = ASHIFT dregs BY "
2024 "dregs_lo (V, .)\n");
2030 notethat ("dsp32shift: dregs = ASHIFT dregs BY dregs_lo (.)\n");
2032 $$ = DSP32SHIFT (op, &$1, &$6, &$4, $7.s0, 0);
2035 return yyerror ("Dregs expected");
2039 | HALF_REG ASSIGN EXPADJ LPAREN REG COMMA HALF_REG RPAREN vmod
2041 if (IS_DREG_L ($1) && IS_DREG_L ($5) && IS_DREG_L ($7))
2043 notethat ("dsp32shift: dregs_lo = EXPADJ (dregs , dregs_lo )\n");
2044 $$ = DSP32SHIFT (7, &$1, &$7, &$5, $9.r0, 0);
2047 return yyerror ("Bad shift value or register");
2051 | HALF_REG ASSIGN EXPADJ LPAREN HALF_REG COMMA HALF_REG RPAREN
2053 if (IS_DREG_L ($1) && IS_DREG_L ($5) && IS_DREG_L ($7))
2055 notethat ("dsp32shift: dregs_lo = EXPADJ (dregs_lo, dregs_lo)\n");
2056 $$ = DSP32SHIFT (7, &$1, &$7, &$5, 2, 0);
2058 else if (IS_DREG_L ($1) && IS_DREG_H ($5) && IS_DREG_L ($7))
2060 notethat ("dsp32shift: dregs_lo = EXPADJ (dregs_hi, dregs_lo)\n");
2061 $$ = DSP32SHIFT (7, &$1, &$7, &$5, 3, 0);
2064 return yyerror ("Bad shift value or register");
2069 | REG ASSIGN DEPOSIT LPAREN REG COMMA REG RPAREN
2071 if (IS_DREG ($1) && IS_DREG ($5) && IS_DREG ($7))
2073 notethat ("dsp32shift: dregs = DEPOSIT (dregs , dregs )\n");
2074 $$ = DSP32SHIFT (10, &$1, &$7, &$5, 2, 0);
2077 return yyerror ("Register mismatch");
2080 | REG ASSIGN DEPOSIT LPAREN REG COMMA REG RPAREN LPAREN X RPAREN
2082 if (IS_DREG ($1) && IS_DREG ($5) && IS_DREG ($7))
2084 notethat ("dsp32shift: dregs = DEPOSIT (dregs , dregs ) (X)\n");
2085 $$ = DSP32SHIFT (10, &$1, &$7, &$5, 3, 0);
2088 return yyerror ("Register mismatch");
2091 | REG ASSIGN EXTRACT LPAREN REG COMMA HALF_REG RPAREN xpmod
2093 if (IS_DREG ($1) && IS_DREG ($5) && IS_DREG_L ($7))
2095 notethat ("dsp32shift: dregs = EXTRACT (dregs, dregs_lo ) (.)\n");
2096 $$ = DSP32SHIFT (10, &$1, &$7, &$5, $9.r0, 0);
2099 return yyerror ("Register mismatch");
2102 | a_assign REG_A _GREATER_GREATER_GREATER expr
2104 if (!REG_SAME ($1, $2))
2105 return yyerror ("Aregs must be same");
2107 if (IS_UIMM ($4, 5))
2109 notethat ("dsp32shiftimm: Ax = Ax >>> uimm5\n");
2110 $$ = DSP32SHIFTIMM (3, 0, -imm6 ($4), 0, 0, IS_A1 ($1));
2113 return yyerror ("Shift value range error");
2115 | a_assign LSHIFT REG_A BY HALF_REG
2117 if (REG_SAME ($1, $3) && IS_DREG_L ($5))
2119 notethat ("dsp32shift: Ax = LSHIFT Ax BY dregs_lo\n");
2120 $$ = DSP32SHIFT (3, 0, &$5, 0, 1, IS_A1 ($1));
2123 return yyerror ("Register mismatch");
2126 | HALF_REG ASSIGN LSHIFT HALF_REG BY HALF_REG
2128 if (IS_DREG ($1) && IS_DREG ($4) && IS_DREG_L ($6))
2130 notethat ("dsp32shift: dregs_lo = LSHIFT dregs_hi BY dregs_lo\n");
2131 $$ = DSP32SHIFT (0, &$1, &$6, &$4, 2, HL2 ($1, $4));
2134 return yyerror ("Register mismatch");
2137 | REG ASSIGN LSHIFT REG BY HALF_REG vmod
2139 if (IS_DREG ($1) && IS_DREG ($4) && IS_DREG_L ($6))
2141 notethat ("dsp32shift: dregs = LSHIFT dregs BY dregs_lo (V )\n");
2142 $$ = DSP32SHIFT ($7.r0 ? 1: 2, &$1, &$6, &$4, 2, 0);
2145 return yyerror ("Register mismatch");
2148 | REG ASSIGN SHIFT REG BY HALF_REG
2150 if (IS_DREG ($1) && IS_DREG ($4) && IS_DREG_L ($6))
2152 notethat ("dsp32shift: dregs = SHIFT dregs BY dregs_lo\n");
2153 $$ = DSP32SHIFT (2, &$1, &$6, &$4, 2, 0);
2156 return yyerror ("Register mismatch");
2159 | a_assign REG_A GREATER_GREATER expr
2161 if (REG_SAME ($1, $2) && IS_IMM ($4, 6) >= 0)
2163 notethat ("dsp32shiftimm: Ax = Ax >> imm6\n");
2164 $$ = DSP32SHIFTIMM (3, 0, -imm6 ($4), 0, 1, IS_A1 ($1));
2167 return yyerror ("Accu register expected");
2170 | REG ASSIGN REG GREATER_GREATER expr vmod
2174 if (IS_DREG ($1) && IS_DREG ($3) && IS_UIMM ($5, 5))
2176 notethat ("dsp32shiftimm: dregs = dregs >> uimm5 (V)\n");
2177 $$ = DSP32SHIFTIMM (1, &$1, -uimm5 ($5), &$3, 2, 0);
2180 return yyerror ("Register mismatch");
2184 if (IS_DREG ($1) && IS_DREG ($3) && IS_UIMM ($5, 5))
2186 notethat ("dsp32shiftimm: dregs = dregs >> uimm5\n");
2187 $$ = DSP32SHIFTIMM (2, &$1, -imm6 ($5), &$3, 2, 0);
2189 else if (IS_PREG ($1) && IS_PREG ($3) && EXPR_VALUE ($5) == 2)
2191 notethat ("PTR2op: pregs = pregs >> 2\n");
2192 $$ = PTR2OP (&$1, &$3, 3);
2194 else if (IS_PREG ($1) && IS_PREG ($3) && EXPR_VALUE ($5) == 1)
2196 notethat ("PTR2op: pregs = pregs >> 1\n");
2197 $$ = PTR2OP (&$1, &$3, 4);
2200 return yyerror ("Register mismatch");
2203 | HALF_REG ASSIGN HALF_REG GREATER_GREATER expr
2205 if (IS_UIMM ($5, 5))
2207 notethat ("dsp32shiftimm: dregs_half = dregs_half >> uimm5\n");
2208 $$ = DSP32SHIFTIMM (0, &$1, -uimm5 ($5), &$3, 2, HL2 ($1, $3));
2211 return yyerror ("Register mismatch");
2213 | HALF_REG ASSIGN HALF_REG _GREATER_GREATER_GREATER expr smod
2215 if (IS_UIMM ($5, 5))
2217 notethat ("dsp32shiftimm: dregs_half = dregs_half >>> uimm5\n");
2218 $$ = DSP32SHIFTIMM (0, &$1, -uimm5 ($5), &$3,
2219 $6.s0, HL2 ($1, $3));
2222 return yyerror ("Register or modifier mismatch");
2226 | REG ASSIGN REG _GREATER_GREATER_GREATER expr vsmod
2228 if (IS_DREG ($1) && IS_DREG ($3) && IS_UIMM ($5, 5))
2233 notethat ("dsp32shiftimm: dregs = dregs >>> uimm5 (V, .)\n");
2234 $$ = DSP32SHIFTIMM (1, &$1, -uimm5 ($5), &$3, $6.s0, 0);
2238 notethat ("dsp32shiftimm: dregs = dregs >>> uimm5 (.)\n");
2239 $$ = DSP32SHIFTIMM (2, &$1, -uimm5 ($5), &$3, $6.s0, 0);
2243 return yyerror ("Register mismatch");
2246 | HALF_REG ASSIGN ONES REG
2248 if (IS_DREG_L ($1) && IS_DREG ($4))
2250 notethat ("dsp32shift: dregs_lo = ONES dregs\n");
2251 $$ = DSP32SHIFT (6, &$1, 0, &$4, 3, 0);
2254 return yyerror ("Register mismatch");
2257 | REG ASSIGN PACK LPAREN HALF_REG COMMA HALF_REG RPAREN
2259 if (IS_DREG ($1) && IS_DREG ($5) && IS_DREG ($7))
2261 notethat ("dsp32shift: dregs = PACK (dregs_hi , dregs_hi )\n");
2262 $$ = DSP32SHIFT (4, &$1, &$7, &$5, HL2 ($5, $7), 0);
2265 return yyerror ("Register mismatch");
2268 | HALF_REG ASSIGN CCREG ASSIGN BXORSHIFT LPAREN REG_A COMMA REG RPAREN
2271 && $7.regno == REG_A0
2272 && IS_DREG ($9) && !IS_H ($1) && !IS_A1 ($7))
2274 notethat ("dsp32shift: dregs_lo = CC = BXORSHIFT (A0 , dregs )\n");
2275 $$ = DSP32SHIFT (11, &$1, &$9, 0, 0, 0);
2278 return yyerror ("Register mismatch");
2281 | HALF_REG ASSIGN CCREG ASSIGN BXOR LPAREN REG_A COMMA REG RPAREN
2284 && $7.regno == REG_A0
2285 && IS_DREG ($9) && !IS_H ($1) && !IS_A1 ($7))
2287 notethat ("dsp32shift: dregs_lo = CC = BXOR (A0 , dregs)\n");
2288 $$ = DSP32SHIFT (11, &$1, &$9, 0, 1, 0);
2291 return yyerror ("Register mismatch");
2294 | HALF_REG ASSIGN CCREG ASSIGN BXOR LPAREN REG_A COMMA REG_A COMMA CCREG RPAREN
2296 if (IS_DREG ($1) && !IS_H ($1) && !REG_SAME ($7, $9))
2298 notethat ("dsp32shift: dregs_lo = CC = BXOR (A0 , A1 , CC)\n");
2299 $$ = DSP32SHIFT (12, &$1, 0, 0, 1, 0);
2302 return yyerror ("Register mismatch");
2305 | a_assign ROT REG_A BY HALF_REG
2307 if (REG_SAME ($1, $3) && IS_DREG_L ($5))
2309 notethat ("dsp32shift: Ax = ROT Ax BY dregs_lo\n");
2310 $$ = DSP32SHIFT (3, 0, &$5, 0, 2, IS_A1 ($1));
2313 return yyerror ("Register mismatch");
2316 | REG ASSIGN ROT REG BY HALF_REG
2318 if (IS_DREG ($1) && IS_DREG ($4) && IS_DREG_L ($6))
2320 notethat ("dsp32shift: dregs = ROT dregs BY dregs_lo\n");
2321 $$ = DSP32SHIFT (2, &$1, &$6, &$4, 3, 0);
2324 return yyerror ("Register mismatch");
2327 | a_assign ROT REG_A BY expr
2331 notethat ("dsp32shiftimm: An = ROT An BY imm6\n");
2332 $$ = DSP32SHIFTIMM (3, 0, imm6 ($5), 0, 2, IS_A1 ($1));
2335 return yyerror ("Register mismatch");
2338 | REG ASSIGN ROT REG BY expr
2340 if (IS_DREG ($1) && IS_DREG ($4) && IS_IMM ($6, 6))
2342 $$ = DSP32SHIFTIMM (2, &$1, imm6 ($6), &$4, 3, IS_A1 ($1));
2345 return yyerror ("Register mismatch");
2348 | HALF_REG ASSIGN SIGNBITS REG_A
2352 notethat ("dsp32shift: dregs_lo = SIGNBITS An\n");
2353 $$ = DSP32SHIFT (6, &$1, 0, 0, IS_A1 ($4), 0);
2356 return yyerror ("Register mismatch");
2359 | HALF_REG ASSIGN SIGNBITS REG
2361 if (IS_DREG_L ($1) && IS_DREG ($4))
2363 notethat ("dsp32shift: dregs_lo = SIGNBITS dregs\n");
2364 $$ = DSP32SHIFT (5, &$1, 0, &$4, 0, 0);
2367 return yyerror ("Register mismatch");
2370 | HALF_REG ASSIGN SIGNBITS HALF_REG
2374 notethat ("dsp32shift: dregs_lo = SIGNBITS dregs_lo\n");
2375 $$ = DSP32SHIFT (5, &$1, 0, &$4, 1 + IS_H ($4), 0);
2378 return yyerror ("Register mismatch");
2381 /* The ASR bit is just inverted here. */
2382 | HALF_REG ASSIGN VIT_MAX LPAREN REG RPAREN asr_asl
2384 if (IS_DREG_L ($1) && IS_DREG ($5))
2386 notethat ("dsp32shift: dregs_lo = VIT_MAX (dregs) (..)\n");
2387 $$ = DSP32SHIFT (9, &$1, 0, &$5, ($7.r0 ? 0 : 1), 0);
2390 return yyerror ("Register mismatch");
2393 | REG ASSIGN VIT_MAX LPAREN REG COMMA REG RPAREN asr_asl
2395 if (IS_DREG ($1) && IS_DREG ($5) && IS_DREG ($7))
2397 notethat ("dsp32shift: dregs = VIT_MAX (dregs, dregs) (ASR)\n");
2398 $$ = DSP32SHIFT (9, &$1, &$7, &$5, 2 | ($9.r0 ? 0 : 1), 0);
2401 return yyerror ("Register mismatch");
2404 | BITMUX LPAREN REG COMMA REG COMMA REG_A RPAREN asr_asl
2406 if (REG_SAME ($3, $5))
2407 return yyerror ("Illegal source register combination");
2409 if (IS_DREG ($3) && IS_DREG ($5) && !IS_A1 ($7))
2411 notethat ("dsp32shift: BITMUX (dregs , dregs , A0) (ASR)\n");
2412 $$ = DSP32SHIFT (8, 0, &$3, &$5, $9.r0, 0);
2415 return yyerror ("Register mismatch");
2418 | a_assign BXORSHIFT LPAREN REG_A COMMA REG_A COMMA CCREG RPAREN
2420 if (!IS_A1 ($1) && !IS_A1 ($4) && IS_A1 ($6))
2422 notethat ("dsp32shift: A0 = BXORSHIFT (A0 , A1 , CC )\n");
2423 $$ = DSP32SHIFT (12, 0, 0, 0, 0, 0);
2426 return yyerror ("Dregs expected");
2430 /* LOGI2op: BITCLR (dregs, uimm5). */
2431 | BITCLR LPAREN REG COMMA expr RPAREN
2433 if (IS_DREG ($3) && IS_UIMM ($5, 5))
2435 notethat ("LOGI2op: BITCLR (dregs , uimm5 )\n");
2436 $$ = LOGI2OP ($3, uimm5 ($5), 4);
2439 return yyerror ("Register mismatch");
2442 /* LOGI2op: BITSET (dregs, uimm5). */
2443 | BITSET LPAREN REG COMMA expr RPAREN
2445 if (IS_DREG ($3) && IS_UIMM ($5, 5))
2447 notethat ("LOGI2op: BITCLR (dregs , uimm5 )\n");
2448 $$ = LOGI2OP ($3, uimm5 ($5), 2);
2451 return yyerror ("Register mismatch");
2454 /* LOGI2op: BITTGL (dregs, uimm5). */
2455 | BITTGL LPAREN REG COMMA expr RPAREN
2457 if (IS_DREG ($3) && IS_UIMM ($5, 5))
2459 notethat ("LOGI2op: BITCLR (dregs , uimm5 )\n");
2460 $$ = LOGI2OP ($3, uimm5 ($5), 3);
2463 return yyerror ("Register mismatch");
2466 | CCREG _ASSIGN_BANG BITTST LPAREN REG COMMA expr RPAREN
2468 if (IS_DREG ($5) && IS_UIMM ($7, 5))
2470 notethat ("LOGI2op: CC =! BITTST (dregs , uimm5 )\n");
2471 $$ = LOGI2OP ($5, uimm5 ($7), 0);
2474 return yyerror ("Register mismatch or value error");
2477 | CCREG ASSIGN BITTST LPAREN REG COMMA expr RPAREN
2479 if (IS_DREG ($5) && IS_UIMM ($7, 5))
2481 notethat ("LOGI2op: CC = BITTST (dregs , uimm5 )\n");
2482 $$ = LOGI2OP ($5, uimm5 ($7), 1);
2485 return yyerror ("Register mismatch or value error");
2488 | IF BANG CCREG REG ASSIGN REG
2490 if ((IS_DREG ($4) || IS_PREG ($4))
2491 && (IS_DREG ($6) || IS_PREG ($6)))
2493 notethat ("ccMV: IF ! CC gregs = gregs\n");
2494 $$ = CCMV (&$6, &$4, 0);
2497 return yyerror ("Register mismatch");
2500 | IF CCREG REG ASSIGN REG
2502 if ((IS_DREG ($5) || IS_PREG ($5))
2503 && (IS_DREG ($3) || IS_PREG ($3)))
2505 notethat ("ccMV: IF CC gregs = gregs\n");
2506 $$ = CCMV (&$5, &$3, 1);
2509 return yyerror ("Register mismatch");
2512 | IF BANG CCREG JUMP expr
2514 if (IS_PCREL10 ($5))
2516 notethat ("BRCC: IF !CC JUMP pcrel11m2\n");
2517 $$ = BRCC (0, 0, $5);
2520 return yyerror ("Bad jump offset");
2523 | IF BANG CCREG JUMP expr LPAREN BP RPAREN
2525 if (IS_PCREL10 ($5))
2527 notethat ("BRCC: IF !CC JUMP pcrel11m2\n");
2528 $$ = BRCC (0, 1, $5);
2531 return yyerror ("Bad jump offset");
2534 | IF CCREG JUMP expr
2536 if (IS_PCREL10 ($4))
2538 notethat ("BRCC: IF CC JUMP pcrel11m2\n");
2539 $$ = BRCC (1, 0, $4);
2542 return yyerror ("Bad jump offset");
2545 | IF CCREG JUMP expr LPAREN BP RPAREN
2547 if (IS_PCREL10 ($4))
2549 notethat ("BRCC: IF !CC JUMP pcrel11m2\n");
2550 $$ = BRCC (1, 1, $4);
2553 return yyerror ("Bad jump offset");
2557 notethat ("ProgCtrl: NOP\n");
2558 $$ = PROGCTRL (0, 0);
2563 notethat ("ProgCtrl: RTS\n");
2564 $$ = PROGCTRL (1, 0);
2569 notethat ("ProgCtrl: RTI\n");
2570 $$ = PROGCTRL (1, 1);
2575 notethat ("ProgCtrl: RTX\n");
2576 $$ = PROGCTRL (1, 2);
2581 notethat ("ProgCtrl: RTN\n");
2582 $$ = PROGCTRL (1, 3);
2587 notethat ("ProgCtrl: RTE\n");
2588 $$ = PROGCTRL (1, 4);
2593 notethat ("ProgCtrl: IDLE\n");
2594 $$ = PROGCTRL (2, 0);
2599 notethat ("ProgCtrl: CSYNC\n");
2600 $$ = PROGCTRL (2, 3);
2605 notethat ("ProgCtrl: SSYNC\n");
2606 $$ = PROGCTRL (2, 4);
2611 notethat ("ProgCtrl: EMUEXCPT\n");
2612 $$ = PROGCTRL (2, 5);
2619 notethat ("ProgCtrl: CLI dregs\n");
2620 $$ = PROGCTRL (3, $2.regno & CODE_MASK);
2623 return yyerror ("Dreg expected for CLI");
2630 notethat ("ProgCtrl: STI dregs\n");
2631 $$ = PROGCTRL (4, $2.regno & CODE_MASK);
2634 return yyerror ("Dreg expected for STI");
2637 | JUMP LPAREN REG RPAREN
2641 notethat ("ProgCtrl: JUMP (pregs )\n");
2642 $$ = PROGCTRL (5, $3.regno & CODE_MASK);
2645 return yyerror ("Bad register for indirect jump");
2648 | CALL LPAREN REG RPAREN
2652 notethat ("ProgCtrl: CALL (pregs )\n");
2653 $$ = PROGCTRL (6, $3.regno & CODE_MASK);
2656 return yyerror ("Bad register for indirect call");
2659 | CALL LPAREN PC PLUS REG RPAREN
2663 notethat ("ProgCtrl: CALL (PC + pregs )\n");
2664 $$ = PROGCTRL (7, $5.regno & CODE_MASK);
2667 return yyerror ("Bad register for indirect call");
2670 | JUMP LPAREN PC PLUS REG RPAREN
2674 notethat ("ProgCtrl: JUMP (PC + pregs )\n");
2675 $$ = PROGCTRL (8, $5.regno & CODE_MASK);
2678 return yyerror ("Bad register for indirect jump");
2683 if (IS_UIMM ($2, 4))
2685 notethat ("ProgCtrl: RAISE uimm4\n");
2686 $$ = PROGCTRL (9, uimm4 ($2));
2689 return yyerror ("Bad value for RAISE");
2694 notethat ("ProgCtrl: EMUEXCPT\n");
2695 $$ = PROGCTRL (10, uimm4 ($2));
2698 | TESTSET LPAREN REG RPAREN
2702 if ($3.regno == REG_SP || $3.regno == REG_FP)
2703 return yyerror ("Bad register for TESTSET");
2705 notethat ("ProgCtrl: TESTSET (pregs )\n");
2706 $$ = PROGCTRL (11, $3.regno & CODE_MASK);
2709 return yyerror ("Preg expected");
2714 if (IS_PCREL12 ($2))
2716 notethat ("UJUMP: JUMP pcrel12\n");
2720 return yyerror ("Bad value for relative jump");
2725 if (IS_PCREL12 ($2))
2727 notethat ("UJUMP: JUMP_DOT_S pcrel12\n");
2731 return yyerror ("Bad value for relative jump");
2736 if (IS_PCREL24 ($2))
2738 notethat ("CALLa: jump.l pcrel24\n");
2742 return yyerror ("Bad value for long jump");
2747 if (IS_PCREL24 ($2))
2749 notethat ("CALLa: jump.l pcrel24\n");
2753 return yyerror ("Bad value for long jump");
2758 if (IS_PCREL24 ($2))
2760 notethat ("CALLa: CALL pcrel25m2\n");
2764 return yyerror ("Bad call address");
2768 if (IS_PCREL24 ($2))
2770 notethat ("CALLa: CALL pcrel25m2\n");
2774 return yyerror ("Bad call address");
2778 /* ALU2op: DIVQ (dregs, dregs). */
2779 | DIVQ LPAREN REG COMMA REG RPAREN
2781 if (IS_DREG ($3) && IS_DREG ($5))
2782 $$ = ALU2OP (&$3, &$5, 8);
2784 return yyerror ("Bad registers for DIVQ");
2787 | DIVS LPAREN REG COMMA REG RPAREN
2789 if (IS_DREG ($3) && IS_DREG ($5))
2790 $$ = ALU2OP (&$3, &$5, 9);
2792 return yyerror ("Bad registers for DIVS");
2795 | REG ASSIGN MINUS REG vsmod
2797 if (IS_DREG ($1) && IS_DREG ($4))
2799 if ($5.r0 == 0 && $5.s0 == 0 && $5.aop == 0)
2801 notethat ("ALU2op: dregs = - dregs\n");
2802 $$ = ALU2OP (&$1, &$4, 14);
2804 else if ($5.r0 == 1 && $5.s0 == 0 && $5.aop == 3)
2806 notethat ("dsp32alu: dregs = - dregs (.)\n");
2807 $$ = DSP32ALU (15, 0, 0, &$1, &$4, 0, $5.s0, 0, 3);
2811 notethat ("dsp32alu: dregs = - dregs (.)\n");
2812 $$ = DSP32ALU (7, 0, 0, &$1, &$4, 0, $5.s0, 0, 3);
2816 return yyerror ("Dregs expected");
2819 | REG ASSIGN TILDA REG
2821 if (IS_DREG ($1) && IS_DREG ($4))
2823 notethat ("ALU2op: dregs = ~dregs\n");
2824 $$ = ALU2OP (&$1, &$4, 15);
2827 return yyerror ("Dregs expected");
2830 | REG _GREATER_GREATER_ASSIGN REG
2832 if (IS_DREG ($1) && IS_DREG ($3))
2834 notethat ("ALU2op: dregs >>= dregs\n");
2835 $$ = ALU2OP (&$1, &$3, 1);
2838 return yyerror ("Dregs expected");
2841 | REG _GREATER_GREATER_ASSIGN expr
2843 if (IS_DREG ($1) && IS_UIMM ($3, 5))
2845 notethat ("LOGI2op: dregs >>= uimm5\n");
2846 $$ = LOGI2OP ($1, uimm5 ($3), 6);
2849 return yyerror ("Dregs expected or value error");
2852 | REG _GREATER_GREATER_GREATER_THAN_ASSIGN REG
2854 if (IS_DREG ($1) && IS_DREG ($3))
2856 notethat ("ALU2op: dregs >>>= dregs\n");
2857 $$ = ALU2OP (&$1, &$3, 0);
2860 return yyerror ("Dregs expected");
2863 | REG _LESS_LESS_ASSIGN REG
2865 if (IS_DREG ($1) && IS_DREG ($3))
2867 notethat ("ALU2op: dregs <<= dregs\n");
2868 $$ = ALU2OP (&$1, &$3, 2);
2871 return yyerror ("Dregs expected");
2874 | REG _LESS_LESS_ASSIGN expr
2876 if (IS_DREG ($1) && IS_UIMM ($3, 5))
2878 notethat ("LOGI2op: dregs <<= uimm5\n");
2879 $$ = LOGI2OP ($1, uimm5 ($3), 7);
2882 return yyerror ("Dregs expected or const value error");
2886 | REG _GREATER_GREATER_GREATER_THAN_ASSIGN expr
2888 if (IS_DREG ($1) && IS_UIMM ($3, 5))
2890 notethat ("LOGI2op: dregs >>>= uimm5\n");
2891 $$ = LOGI2OP ($1, uimm5 ($3), 5);
2894 return yyerror ("Dregs expected");
2897 /* Cache Control. */
2899 | FLUSH LBRACK REG RBRACK
2901 notethat ("CaCTRL: FLUSH [ pregs ]\n");
2903 $$ = CACTRL (&$3, 0, 2);
2905 return yyerror ("Bad register(s) for FLUSH");
2908 | FLUSH reg_with_postinc
2912 notethat ("CaCTRL: FLUSH [ pregs ++ ]\n");
2913 $$ = CACTRL (&$2, 1, 2);
2916 return yyerror ("Bad register(s) for FLUSH");
2919 | FLUSHINV LBRACK REG RBRACK
2923 notethat ("CaCTRL: FLUSHINV [ pregs ]\n");
2924 $$ = CACTRL (&$3, 0, 1);
2927 return yyerror ("Bad register(s) for FLUSH");
2930 | FLUSHINV reg_with_postinc
2934 notethat ("CaCTRL: FLUSHINV [ pregs ++ ]\n");
2935 $$ = CACTRL (&$2, 1, 1);
2938 return yyerror ("Bad register(s) for FLUSH");
2941 /* CaCTRL: IFLUSH [pregs]. */
2942 | IFLUSH LBRACK REG RBRACK
2946 notethat ("CaCTRL: IFLUSH [ pregs ]\n");
2947 $$ = CACTRL (&$3, 0, 3);
2950 return yyerror ("Bad register(s) for FLUSH");
2953 | IFLUSH reg_with_postinc
2957 notethat ("CaCTRL: IFLUSH [ pregs ++ ]\n");
2958 $$ = CACTRL (&$2, 1, 3);
2961 return yyerror ("Bad register(s) for FLUSH");
2964 | PREFETCH LBRACK REG RBRACK
2968 notethat ("CaCTRL: PREFETCH [ pregs ]\n");
2969 $$ = CACTRL (&$3, 0, 0);
2972 return yyerror ("Bad register(s) for PREFETCH");
2975 | PREFETCH reg_with_postinc
2979 notethat ("CaCTRL: PREFETCH [ pregs ++ ]\n");
2980 $$ = CACTRL (&$2, 1, 0);
2983 return yyerror ("Bad register(s) for PREFETCH");
2987 /* LDST: B [ pregs <post_op> ] = dregs. */
2989 | B LBRACK REG post_op RBRACK ASSIGN REG
2992 return yyerror ("Dreg expected for source operand");
2994 return yyerror ("Preg expected in address");
2996 notethat ("LDST: B [ pregs <post_op> ] = dregs\n");
2997 $$ = LDST (&$3, &$7, $4.x0, 2, 0, 1);
3000 /* LDSTidxI: B [ pregs + imm16 ] = dregs. */
3001 | B LBRACK REG plus_minus expr RBRACK ASSIGN REG
3003 Expr_Node *tmp = $5;
3006 return yyerror ("Dreg expected for source operand");
3008 return yyerror ("Preg expected in address");
3011 return yyerror ("Plain symbol used as offset");
3014 tmp = unary (Expr_Op_Type_NEG, tmp);
3016 if (in_range_p (tmp, -32768, 32767, 0))
3018 notethat ("LDST: B [ pregs + imm16 ] = dregs\n");
3019 $$ = LDSTIDXI (&$3, &$8, 1, 2, 0, $5);
3022 return yyerror ("Displacement out of range");
3026 /* LDSTii: W [ pregs + uimm4s2 ] = dregs. */
3027 | W LBRACK REG plus_minus expr RBRACK ASSIGN REG
3029 Expr_Node *tmp = $5;
3032 return yyerror ("Dreg expected for source operand");
3034 return yyerror ("Preg expected in address");
3037 tmp = unary (Expr_Op_Type_NEG, tmp);
3040 return yyerror ("Plain symbol used as offset");
3042 if (in_range_p (tmp, 0, 30, 1))
3044 notethat ("LDSTii: W [ pregs +- uimm5m2 ] = dregs\n");
3045 $$ = LDSTII (&$3, &$8, tmp, 1, 1);
3047 else if (in_range_p (tmp, -65536, 65535, 1))
3049 notethat ("LDSTidxI: W [ pregs + imm17m2 ] = dregs\n");
3050 $$ = LDSTIDXI (&$3, &$8, 1, 1, 0, tmp);
3053 return yyerror ("Displacement out of range");
3056 /* LDST: W [ pregs <post_op> ] = dregs. */
3057 | W LBRACK REG post_op RBRACK ASSIGN REG
3060 return yyerror ("Dreg expected for source operand");
3062 return yyerror ("Preg expected in address");
3064 notethat ("LDST: W [ pregs <post_op> ] = dregs\n");
3065 $$ = LDST (&$3, &$7, $4.x0, 1, 0, 1);
3068 | W LBRACK REG post_op RBRACK ASSIGN HALF_REG
3071 return yyerror ("Dreg expected for source operand");
3074 if (!IS_IREG ($3) && !IS_PREG ($3))
3075 return yyerror ("Ireg or Preg expected in address");
3077 else if (!IS_IREG ($3))
3078 return yyerror ("Ireg expected in address");
3082 notethat ("dspLDST: W [ iregs <post_op> ] = dregs_half\n");
3083 $$ = DSPLDST (&$3, 1 + IS_H ($7), &$7, $4.x0, 1);
3087 notethat ("LDSTpmod: W [ pregs ] = dregs_half\n");
3088 $$ = LDSTPMOD (&$3, &$7, &$3, 1 + IS_H ($7), 1);
3092 /* LDSTiiFP: [ FP - const ] = dpregs. */
3093 | LBRACK REG plus_minus expr RBRACK ASSIGN REG
3095 Expr_Node *tmp = $4;
3096 int ispreg = IS_PREG ($7);
3099 return yyerror ("Preg expected in address");
3101 if (!IS_DREG ($7) && !ispreg)
3102 return yyerror ("Preg expected for source operand");
3105 tmp = unary (Expr_Op_Type_NEG, tmp);
3108 return yyerror ("Plain symbol used as offset");
3110 if (in_range_p (tmp, 0, 63, 3))
3112 notethat ("LDSTii: dpregs = [ pregs + uimm6m4 ]\n");
3113 $$ = LDSTII (&$2, &$7, tmp, 1, ispreg ? 3 : 0);
3115 else if ($2.regno == REG_FP && in_range_p (tmp, -128, 0, 3))
3117 notethat ("LDSTiiFP: dpregs = [ FP - uimm7m4 ]\n");
3118 tmp = unary (Expr_Op_Type_NEG, tmp);
3119 $$ = LDSTIIFP (tmp, &$7, 1);
3121 else if (in_range_p (tmp, -131072, 131071, 3))
3123 notethat ("LDSTidxI: [ pregs + imm18m4 ] = dpregs\n");
3124 $$ = LDSTIDXI (&$2, &$7, 1, 0, ispreg ? 1 : 0, tmp);
3127 return yyerror ("Displacement out of range");
3130 | REG ASSIGN W LBRACK REG plus_minus expr RBRACK xpmod
3132 Expr_Node *tmp = $7;
3134 return yyerror ("Dreg expected for destination operand");
3136 return yyerror ("Preg expected in address");
3139 tmp = unary (Expr_Op_Type_NEG, tmp);
3142 return yyerror ("Plain symbol used as offset");
3144 if (in_range_p (tmp, 0, 30, 1))
3146 notethat ("LDSTii: dregs = W [ pregs + uimm5m2 ] (.)\n");
3147 $$ = LDSTII (&$5, &$1, tmp, 0, 1 << $9.r0);
3149 else if (in_range_p (tmp, -65536, 65535, 1))
3151 notethat ("LDSTidxI: dregs = W [ pregs + imm17m2 ] (.)\n");
3152 $$ = LDSTIDXI (&$5, &$1, 0, 1, $9.r0, tmp);
3155 return yyerror ("Displacement out of range");
3158 | HALF_REG ASSIGN W LBRACK REG post_op RBRACK
3161 return yyerror ("Dreg expected for source operand");
3164 if (!IS_IREG ($5) && !IS_PREG ($5))
3165 return yyerror ("Ireg or Preg expected in address");
3167 else if (!IS_IREG ($5))
3168 return yyerror ("Ireg expected in address");
3172 notethat ("dspLDST: dregs_half = W [ iregs <post_op> ]\n");
3173 $$ = DSPLDST(&$5, 1 + IS_H ($1), &$1, $6.x0, 0);
3177 notethat ("LDSTpmod: dregs_half = W [ pregs <post_op> ]\n");
3178 $$ = LDSTPMOD (&$5, &$1, &$5, 1 + IS_H ($1), 0);
3183 | REG ASSIGN W LBRACK REG post_op RBRACK xpmod
3186 return yyerror ("Dreg expected for destination operand");
3188 return yyerror ("Preg expected in address");
3190 notethat ("LDST: dregs = W [ pregs <post_op> ] (.)\n");
3191 $$ = LDST (&$5, &$1, $6.x0, 1, $8.r0, 0);
3194 | REG ASSIGN W LBRACK REG _PLUS_PLUS REG RBRACK xpmod
3197 return yyerror ("Dreg expected for destination operand");
3198 if (!IS_PREG ($5) || !IS_PREG ($7))
3199 return yyerror ("Preg expected in address");
3201 notethat ("LDSTpmod: dregs = W [ pregs ++ pregs ] (.)\n");
3202 $$ = LDSTPMOD (&$5, &$1, &$7, 3, $9.r0);
3205 | HALF_REG ASSIGN W LBRACK REG _PLUS_PLUS REG RBRACK
3208 return yyerror ("Dreg expected for destination operand");
3209 if (!IS_PREG ($5) || !IS_PREG ($7))
3210 return yyerror ("Preg expected in address");
3212 notethat ("LDSTpmod: dregs_half = W [ pregs ++ pregs ]\n");
3213 $$ = LDSTPMOD (&$5, &$1, &$7, 1 + IS_H ($1), 0);
3216 | LBRACK REG post_op RBRACK ASSIGN REG
3218 if (!IS_IREG ($2) && !IS_PREG ($2))
3219 return yyerror ("Ireg or Preg expected in address");
3220 else if (IS_IREG ($2) && !IS_DREG ($6))
3221 return yyerror ("Dreg expected for source operand");
3222 else if (IS_PREG ($2) && !IS_DREG ($6) && !IS_PREG ($6))
3223 return yyerror ("Dreg or Preg expected for source operand");
3227 notethat ("dspLDST: [ iregs <post_op> ] = dregs\n");
3228 $$ = DSPLDST(&$2, 0, &$6, $3.x0, 1);
3230 else if (IS_DREG ($6))
3232 notethat ("LDST: [ pregs <post_op> ] = dregs\n");
3233 $$ = LDST (&$2, &$6, $3.x0, 0, 0, 1);
3237 notethat ("LDST: [ pregs <post_op> ] = pregs\n");
3238 $$ = LDST (&$2, &$6, $3.x0, 0, 1, 1);
3242 | LBRACK REG _PLUS_PLUS REG RBRACK ASSIGN REG
3245 return yyerror ("Dreg expected for source operand");
3247 if (IS_IREG ($2) && IS_MREG ($4))
3249 notethat ("dspLDST: [ iregs ++ mregs ] = dregs\n");
3250 $$ = DSPLDST(&$2, $4.regno & CODE_MASK, &$7, 3, 1);
3252 else if (IS_PREG ($2) && IS_PREG ($4))
3254 notethat ("LDSTpmod: [ pregs ++ pregs ] = dregs\n");
3255 $$ = LDSTPMOD (&$2, &$7, &$4, 0, 1);
3258 return yyerror ("Preg ++ Preg or Ireg ++ Mreg expected in address");
3261 | W LBRACK REG _PLUS_PLUS REG RBRACK ASSIGN HALF_REG
3264 return yyerror ("Dreg expected for source operand");
3266 if (IS_PREG ($3) && IS_PREG ($5))
3268 notethat ("LDSTpmod: W [ pregs ++ pregs ] = dregs_half\n");
3269 $$ = LDSTPMOD (&$3, &$8, &$5, 1 + IS_H ($8), 1);
3272 return yyerror ("Preg ++ Preg expected in address");
3275 | REG ASSIGN B LBRACK REG plus_minus expr RBRACK xpmod
3277 Expr_Node *tmp = $7;
3279 return yyerror ("Dreg expected for destination operand");
3281 return yyerror ("Preg expected in address");
3284 tmp = unary (Expr_Op_Type_NEG, tmp);
3287 return yyerror ("Plain symbol used as offset");
3289 if (in_range_p (tmp, -32768, 32767, 0))
3291 notethat ("LDSTidxI: dregs = B [ pregs + imm16 ] (%c)\n",
3293 $$ = LDSTIDXI (&$5, &$1, 0, 2, $9.r0, tmp);
3296 return yyerror ("Displacement out of range");
3299 | REG ASSIGN B LBRACK REG post_op RBRACK xpmod
3302 return yyerror ("Dreg expected for destination operand");
3304 return yyerror ("Preg expected in address");
3306 notethat ("LDST: dregs = B [ pregs <post_op> ] (%c)\n",
3308 $$ = LDST (&$5, &$1, $6.x0, 2, $8.r0, 0);
3311 | REG ASSIGN LBRACK REG _PLUS_PLUS REG RBRACK
3314 return yyerror ("Dreg expected for destination operand");
3316 if (IS_IREG ($4) && IS_MREG ($6))
3318 notethat ("dspLDST: dregs = [ iregs ++ mregs ]\n");
3319 $$ = DSPLDST(&$4, $6.regno & CODE_MASK, &$1, 3, 0);
3321 else if (IS_PREG ($4) && IS_PREG ($6))
3323 notethat ("LDSTpmod: dregs = [ pregs ++ pregs ]\n");
3324 $$ = LDSTPMOD (&$4, &$1, &$6, 0, 0);
3327 return yyerror ("Preg ++ Preg or Ireg ++ Mreg expected in address");
3330 | REG ASSIGN LBRACK REG plus_minus got_or_expr RBRACK
3332 Expr_Node *tmp = $6;
3333 int ispreg = IS_PREG ($1);
3334 int isgot = IS_RELOC($6);
3337 return yyerror ("Preg expected in address");
3339 if (!IS_DREG ($1) && !ispreg)
3340 return yyerror ("Dreg or Preg expected for destination operand");
3342 if (tmp->type == Expr_Node_Reloc
3343 && strcmp (tmp->value.s_value,
3344 "_current_shared_library_p5_offset_") != 0)
3345 return yyerror ("Plain symbol used as offset");
3348 tmp = unary (Expr_Op_Type_NEG, tmp);
3352 notethat ("LDSTidxI: dpregs = [ pregs + sym@got ]\n");
3353 $$ = LDSTIDXI (&$4, &$1, 0, 0, ispreg ? 1 : 0, tmp);
3355 else if (in_range_p (tmp, 0, 63, 3))
3357 notethat ("LDSTii: dpregs = [ pregs + uimm7m4 ]\n");
3358 $$ = LDSTII (&$4, &$1, tmp, 0, ispreg ? 3 : 0);
3360 else if ($4.regno == REG_FP && in_range_p (tmp, -128, 0, 3))
3362 notethat ("LDSTiiFP: dpregs = [ FP - uimm7m4 ]\n");
3363 tmp = unary (Expr_Op_Type_NEG, tmp);
3364 $$ = LDSTIIFP (tmp, &$1, 0);
3366 else if (in_range_p (tmp, -131072, 131071, 3))
3368 notethat ("LDSTidxI: dpregs = [ pregs + imm18m4 ]\n");
3369 $$ = LDSTIDXI (&$4, &$1, 0, 0, ispreg ? 1 : 0, tmp);
3373 return yyerror ("Displacement out of range");
3376 | REG ASSIGN LBRACK REG post_op RBRACK
3378 if (!IS_IREG ($4) && !IS_PREG ($4))
3379 return yyerror ("Ireg or Preg expected in address");
3380 else if (IS_IREG ($4) && !IS_DREG ($1))
3381 return yyerror ("Dreg expected in destination operand");
3382 else if (IS_PREG ($4) && !IS_DREG ($1) && !IS_PREG ($1)
3383 && ($4.regno != REG_SP || !IS_ALLREG ($1) || $5.x0 != 0))
3384 return yyerror ("Dreg or Preg expected in destination operand");
3388 notethat ("dspLDST: dregs = [ iregs <post_op> ]\n");
3389 $$ = DSPLDST (&$4, 0, &$1, $5.x0, 0);
3391 else if (IS_DREG ($1))
3393 notethat ("LDST: dregs = [ pregs <post_op> ]\n");
3394 $$ = LDST (&$4, &$1, $5.x0, 0, 0, 0);
3396 else if (IS_PREG ($1))
3398 if (REG_SAME ($1, $4) && $5.x0 != 2)
3399 return yyerror ("Pregs can't be same");
3401 notethat ("LDST: pregs = [ pregs <post_op> ]\n");
3402 $$ = LDST (&$4, &$1, $5.x0, 0, 1, 0);
3406 notethat ("PushPopReg: allregs = [ SP ++ ]\n");
3407 $$ = PUSHPOPREG (&$1, 0);
3412 /* PushPopMultiple. */
3413 | reg_with_predec ASSIGN LPAREN REG COLON expr COMMA REG COLON expr RPAREN
3415 if ($1.regno != REG_SP)
3416 yyerror ("Stack Pointer expected");
3417 if ($4.regno == REG_R7
3418 && IN_RANGE ($6, 0, 7)
3419 && $8.regno == REG_P5
3420 && IN_RANGE ($10, 0, 5))
3422 notethat ("PushPopMultiple: [ -- SP ] = (R7 : reglim , P5 : reglim )\n");
3423 $$ = PUSHPOPMULTIPLE (imm5 ($6), imm5 ($10), 1, 1, 1);
3426 return yyerror ("Bad register for PushPopMultiple");
3429 | reg_with_predec ASSIGN LPAREN REG COLON expr RPAREN
3431 if ($1.regno != REG_SP)
3432 yyerror ("Stack Pointer expected");
3434 if ($4.regno == REG_R7 && IN_RANGE ($6, 0, 7))
3436 notethat ("PushPopMultiple: [ -- SP ] = (R7 : reglim )\n");
3437 $$ = PUSHPOPMULTIPLE (imm5 ($6), 0, 1, 0, 1);
3439 else if ($4.regno == REG_P5 && IN_RANGE ($6, 0, 6))
3441 notethat ("PushPopMultiple: [ -- SP ] = (P5 : reglim )\n");
3442 $$ = PUSHPOPMULTIPLE (0, imm5 ($6), 0, 1, 1);
3445 return yyerror ("Bad register for PushPopMultiple");
3448 | LPAREN REG COLON expr COMMA REG COLON expr RPAREN ASSIGN reg_with_postinc
3450 if ($11.regno != REG_SP)
3451 yyerror ("Stack Pointer expected");
3452 if ($2.regno == REG_R7 && (IN_RANGE ($4, 0, 7))
3453 && $6.regno == REG_P5 && (IN_RANGE ($8, 0, 6)))
3455 notethat ("PushPopMultiple: (R7 : reglim , P5 : reglim ) = [ SP ++ ]\n");
3456 $$ = PUSHPOPMULTIPLE (imm5 ($4), imm5 ($8), 1, 1, 0);
3459 return yyerror ("Bad register range for PushPopMultiple");
3462 | LPAREN REG COLON expr RPAREN ASSIGN reg_with_postinc
3464 if ($7.regno != REG_SP)
3465 yyerror ("Stack Pointer expected");
3467 if ($2.regno == REG_R7 && IN_RANGE ($4, 0, 7))
3469 notethat ("PushPopMultiple: (R7 : reglim ) = [ SP ++ ]\n");
3470 $$ = PUSHPOPMULTIPLE (imm5 ($4), 0, 1, 0, 0);
3472 else if ($2.regno == REG_P5 && IN_RANGE ($4, 0, 6))
3474 notethat ("PushPopMultiple: (P5 : reglim ) = [ SP ++ ]\n");
3475 $$ = PUSHPOPMULTIPLE (0, imm5 ($4), 0, 1, 0);
3478 return yyerror ("Bad register range for PushPopMultiple");
3481 | reg_with_predec ASSIGN REG
3483 if ($1.regno != REG_SP)
3484 yyerror ("Stack Pointer expected");
3488 notethat ("PushPopReg: [ -- SP ] = allregs\n");
3489 $$ = PUSHPOPREG (&$3, 1);
3492 return yyerror ("Bad register for PushPopReg");
3499 if (IS_URANGE (16, $2, 0, 4))
3500 $$ = LINKAGE (0, uimm16s4 ($2));
3502 return yyerror ("Bad constant for LINK");
3507 notethat ("linkage: UNLINK\n");
3508 $$ = LINKAGE (1, 0);
3514 | LSETUP LPAREN expr COMMA expr RPAREN REG
3516 if (IS_PCREL4 ($3) && IS_LPPCREL10 ($5) && IS_CREG ($7))
3518 notethat ("LoopSetup: LSETUP (pcrel4 , lppcrel10 ) counters\n");
3519 $$ = LOOPSETUP ($3, &$7, 0, $5, 0);
3522 return yyerror ("Bad register or values for LSETUP");
3525 | LSETUP LPAREN expr COMMA expr RPAREN REG ASSIGN REG
3527 if (IS_PCREL4 ($3) && IS_LPPCREL10 ($5)
3528 && IS_PREG ($9) && IS_CREG ($7))
3530 notethat ("LoopSetup: LSETUP (pcrel4 , lppcrel10 ) counters = pregs\n");
3531 $$ = LOOPSETUP ($3, &$7, 1, $5, &$9);
3534 return yyerror ("Bad register or values for LSETUP");
3537 | LSETUP LPAREN expr COMMA expr RPAREN REG ASSIGN REG GREATER_GREATER expr
3539 if (IS_PCREL4 ($3) && IS_LPPCREL10 ($5)
3540 && IS_PREG ($9) && IS_CREG ($7)
3541 && EXPR_VALUE ($11) == 1)
3543 notethat ("LoopSetup: LSETUP (pcrel4 , lppcrel10 ) counters = pregs >> 1\n");
3544 $$ = LOOPSETUP ($3, &$7, 3, $5, &$9);
3547 return yyerror ("Bad register or values for LSETUP");
3554 return yyerror ("Invalid expression in loop statement");
3556 return yyerror ("Invalid loop counter register");
3557 $$ = bfin_gen_loop ($2, &$3, 0, 0);
3559 | LOOP expr REG ASSIGN REG
3561 if (IS_RELOC ($2) && IS_PREG ($5) && IS_CREG ($3))
3563 notethat ("Loop: LOOP expr counters = pregs\n");
3564 $$ = bfin_gen_loop ($2, &$3, 1, &$5);
3567 return yyerror ("Bad register or values for LOOP");
3569 | LOOP expr REG ASSIGN REG GREATER_GREATER expr
3571 if (IS_RELOC ($2) && IS_PREG ($5) && IS_CREG ($3) && EXPR_VALUE ($7) == 1)
3573 notethat ("Loop: LOOP expr counters = pregs >> 1\n");
3574 $$ = bfin_gen_loop ($2, &$3, 3, &$5);
3577 return yyerror ("Bad register or values for LOOP");
3583 Expr_Node_Value val;
3585 Expr_Node *tmp = Expr_Node_Create (Expr_Node_Constant, val, NULL, NULL);
3586 bfin_loop_attempt_create_label (tmp, 1);
3587 if (!IS_RELOC (tmp))
3588 return yyerror ("Invalid expression in LOOP_BEGIN statement");
3589 bfin_loop_beginend (tmp, 1);
3595 return yyerror ("Invalid expression in LOOP_BEGIN statement");
3597 bfin_loop_beginend ($2, 1);
3604 Expr_Node_Value val;
3606 Expr_Node *tmp = Expr_Node_Create (Expr_Node_Constant, val, NULL, NULL);
3607 bfin_loop_attempt_create_label (tmp, 1);
3608 if (!IS_RELOC (tmp))
3609 return yyerror ("Invalid expression in LOOP_END statement");
3610 bfin_loop_beginend (tmp, 0);
3616 return yyerror ("Invalid expression in LOOP_END statement");
3618 bfin_loop_beginend ($2, 0);
3626 notethat ("psedoDEBUG: ABORT\n");
3627 $$ = bfin_gen_pseudodbg (3, 3, 0);
3632 notethat ("pseudoDEBUG: DBG\n");
3633 $$ = bfin_gen_pseudodbg (3, 7, 0);
3637 notethat ("pseudoDEBUG: DBG REG_A\n");
3638 $$ = bfin_gen_pseudodbg (3, IS_A1 ($2), 0);
3642 notethat ("pseudoDEBUG: DBG allregs\n");
3643 $$ = bfin_gen_pseudodbg (0, $2.regno & CODE_MASK, ($2.regno & CLASS_MASK) >> 4);
3646 | DBGCMPLX LPAREN REG RPAREN
3649 return yyerror ("Dregs expected");
3650 notethat ("pseudoDEBUG: DBGCMPLX (dregs )\n");
3651 $$ = bfin_gen_pseudodbg (3, 6, ($3.regno & CODE_MASK) >> 4);
3656 notethat ("psedoDEBUG: DBGHALT\n");
3657 $$ = bfin_gen_pseudodbg (3, 5, 0);
3662 notethat ("psedoDEBUG: HLT\n");
3663 $$ = bfin_gen_pseudodbg (3, 4, 0);
3666 | DBGA LPAREN HALF_REG COMMA expr RPAREN
3668 notethat ("pseudodbg_assert: DBGA (regs_lo/hi , uimm16 )\n");
3669 $$ = bfin_gen_pseudodbg_assert (IS_H ($3), &$3, uimm16 ($5));
3672 | DBGAH LPAREN REG COMMA expr RPAREN
3674 notethat ("pseudodbg_assert: DBGAH (regs , uimm16 )\n");
3675 $$ = bfin_gen_pseudodbg_assert (3, &$3, uimm16 ($5));
3678 | DBGAL LPAREN REG COMMA expr RPAREN
3680 notethat ("psedodbg_assert: DBGAL (regs , uimm16 )\n");
3681 $$ = bfin_gen_pseudodbg_assert (2, &$3, uimm16 ($5));
3686 if (!IS_UIMM ($2, 8))
3687 return yyerror ("Constant out of range");
3688 notethat ("psedodbg_assert: OUTC uimm8\n");
3689 $$ = bfin_gen_pseudochr (uimm8 ($2));
3695 return yyerror ("Dregs expected");
3696 notethat ("psedodbg_assert: OUTC dreg\n");
3697 $$ = bfin_gen_pseudodbg (2, $2.regno & CODE_MASK, 0);
3704 /* Register rules. */
3706 REG_A: REG_A_DOUBLE_ZERO
3724 | LPAREN M COMMA MMOD RPAREN
3729 | LPAREN MMOD COMMA M RPAREN
3734 | LPAREN MMOD RPAREN
3746 asr_asl: LPAREN ASL RPAREN
3827 | LPAREN asr_asl_0 RPAREN
3839 | LPAREN asr_asl_0 COMMA sco RPAREN
3845 | LPAREN sco COMMA asr_asl_0 RPAREN
3905 | LPAREN V COMMA S RPAREN
3910 | LPAREN S COMMA V RPAREN
3972 | LPAREN MMOD RPAREN
3975 return yyerror ("Bad modifier");
3979 | LPAREN MMOD COMMA R RPAREN
3982 return yyerror ("Bad modifier");
3986 | LPAREN R COMMA MMOD RPAREN
3989 return yyerror ("Bad modifier");
4016 | LPAREN MMOD RPAREN
4021 return yyerror ("Only (W32) allowed");
4029 | LPAREN MMOD RPAREN
4034 return yyerror ("(IU) expected");
4038 reg_with_predec: LBRACK _MINUS_MINUS REG RBRACK
4044 reg_with_postinc: LBRACK REG _PLUS_PLUS RBRACK
4096 $$.r0 = 1; /* HL. */
4099 $$.aop = 0; /* aop. */
4104 $$.r0 = 1; /* HL. */
4107 $$.aop = 1; /* aop. */
4110 | LPAREN RNDL RPAREN
4112 $$.r0 = 0; /* HL. */
4115 $$.aop = 0; /* aop. */
4120 $$.r0 = 0; /* HL. */
4126 | LPAREN RNDH COMMA R RPAREN
4128 $$.r0 = 1; /* HL. */
4131 $$.aop = 0; /* aop. */
4133 | LPAREN TH COMMA R RPAREN
4135 $$.r0 = 1; /* HL. */
4138 $$.aop = 1; /* aop. */
4140 | LPAREN RNDL COMMA R RPAREN
4142 $$.r0 = 0; /* HL. */
4145 $$.aop = 0; /* aop. */
4148 | LPAREN TL COMMA R RPAREN
4150 $$.r0 = 0; /* HL. */
4153 $$.aop = 1; /* aop. */
4161 $$.x0 = 0; /* HL. */
4166 $$.x0 = 1; /* HL. */
4168 | LPAREN LO COMMA R RPAREN
4171 $$.x0 = 0; /* HL. */
4173 | LPAREN HI COMMA R RPAREN
4176 $$.x0 = 1; /* HL. */
4194 /* Assignments, Macfuncs. */
4220 if (IS_A1 ($3) && IS_EVEN ($1))
4221 return yyerror ("Cannot move A1 to even register");
4222 else if (!IS_A1 ($3) && !IS_EVEN ($1))
4223 return yyerror ("Cannot move A0 to odd register");
4239 | REG ASSIGN LPAREN a_macfunc RPAREN
4241 if ($4.n && IS_EVEN ($1))
4242 return yyerror ("Cannot move A1 to even register");
4243 else if (!$4.n && !IS_EVEN ($1))
4244 return yyerror ("Cannot move A0 to odd register");
4252 | HALF_REG ASSIGN LPAREN a_macfunc RPAREN
4254 if ($4.n && !IS_H ($1))
4255 return yyerror ("Cannot move A1 to low half of register");
4256 else if (!$4.n && IS_H ($1))
4257 return yyerror ("Cannot move A0 to high half of register");
4265 | HALF_REG ASSIGN REG_A
4267 if (IS_A1 ($3) && !IS_H ($1))
4268 return yyerror ("Cannot move A1 to low half of register");
4269 else if (!IS_A1 ($3) && IS_H ($1))
4270 return yyerror ("Cannot move A0 to high half of register");
4283 a_assign multiply_halfregs
4290 | a_plusassign multiply_halfregs
4297 | a_minusassign multiply_halfregs
4307 HALF_REG STAR HALF_REG
4309 if (IS_DREG ($1) && IS_DREG ($3))
4315 return yyerror ("Dregs expected");
4339 CCREG cc_op STATUS_REG
4351 | STATUS_REG cc_op CCREG
4365 /* Expressions and Symbols. */
4369 Expr_Node_Value val;
4370 val.s_value = S_GET_NAME($1);
4371 $$ = Expr_Node_Create (Expr_Node_Reloc, val, NULL, NULL);
4377 { $$ = BFD_RELOC_BFIN_GOT; }
4379 { $$ = BFD_RELOC_BFIN_GOT17M4; }
4381 { $$ = BFD_RELOC_BFIN_FUNCDESC_GOT17M4; }
4384 got: symbol AT any_gotrel
4386 Expr_Node_Value val;
4388 $$ = Expr_Node_Create (Expr_Node_GOT_Reloc, val, $1, NULL);
4411 Expr_Node_Value val;
4413 $$ = Expr_Node_Create (Expr_Node_Constant, val, NULL, NULL);
4419 | LPAREN expr_1 RPAREN
4425 $$ = unary (Expr_Op_Type_COMP, $2);
4427 | MINUS expr_1 %prec TILDA
4429 $$ = unary (Expr_Op_Type_NEG, $2);
4439 expr_1: expr_1 STAR expr_1
4441 $$ = binary (Expr_Op_Type_Mult, $1, $3);
4443 | expr_1 SLASH expr_1
4445 $$ = binary (Expr_Op_Type_Div, $1, $3);
4447 | expr_1 PERCENT expr_1
4449 $$ = binary (Expr_Op_Type_Mod, $1, $3);
4451 | expr_1 PLUS expr_1
4453 $$ = binary (Expr_Op_Type_Add, $1, $3);
4455 | expr_1 MINUS expr_1
4457 $$ = binary (Expr_Op_Type_Sub, $1, $3);
4459 | expr_1 LESS_LESS expr_1
4461 $$ = binary (Expr_Op_Type_Lshift, $1, $3);
4463 | expr_1 GREATER_GREATER expr_1
4465 $$ = binary (Expr_Op_Type_Rshift, $1, $3);
4467 | expr_1 AMPERSAND expr_1
4469 $$ = binary (Expr_Op_Type_BAND, $1, $3);
4471 | expr_1 CARET expr_1
4473 $$ = binary (Expr_Op_Type_LOR, $1, $3);
4477 $$ = binary (Expr_Op_Type_BOR, $1, $3);
4489 mkexpr (int x, SYMBOL_T s)
4491 EXPR_T e = (EXPR_T) ALLOCATE (sizeof (struct expression_cell));
4498 value_match (Expr_Node *exp, int sz, int sign, int mul, int issigned)
4500 int umax = (1 << sz) - 1;
4501 int min = -1 << (sz - 1);
4502 int max = (1 << (sz - 1)) - 1;
4504 int v = (EXPR_VALUE (exp)) & 0xffffffff;
4508 error ("%s:%d: Value Error -- Must align to %d\n", __FILE__, __LINE__, mul);
4519 if (v >= min && v <= max) return 1;
4522 fprintf(stderr, "signed value %lx out of range\n", v * mul);
4526 if (v <= umax && v >= 0)
4529 fprintf(stderr, "unsigned value %lx out of range\n", v * mul);
4534 /* Return the expression structure that allows symbol operations.
4535 If the left and right children are constants, do the operation. */
4537 binary (Expr_Op_Type op, Expr_Node *x, Expr_Node *y)
4539 Expr_Node_Value val;
4541 if (x->type == Expr_Node_Constant && y->type == Expr_Node_Constant)
4545 case Expr_Op_Type_Add:
4546 x->value.i_value += y->value.i_value;
4548 case Expr_Op_Type_Sub:
4549 x->value.i_value -= y->value.i_value;
4551 case Expr_Op_Type_Mult:
4552 x->value.i_value *= y->value.i_value;
4554 case Expr_Op_Type_Div:
4555 if (y->value.i_value == 0)
4556 error ("Illegal Expression: Division by zero.");
4558 x->value.i_value /= y->value.i_value;
4560 case Expr_Op_Type_Mod:
4561 x->value.i_value %= y->value.i_value;
4563 case Expr_Op_Type_Lshift:
4564 x->value.i_value <<= y->value.i_value;
4566 case Expr_Op_Type_Rshift:
4567 x->value.i_value >>= y->value.i_value;
4569 case Expr_Op_Type_BAND:
4570 x->value.i_value &= y->value.i_value;
4572 case Expr_Op_Type_BOR:
4573 x->value.i_value |= y->value.i_value;
4575 case Expr_Op_Type_BXOR:
4576 x->value.i_value ^= y->value.i_value;
4578 case Expr_Op_Type_LAND:
4579 x->value.i_value = x->value.i_value && y->value.i_value;
4581 case Expr_Op_Type_LOR:
4582 x->value.i_value = x->value.i_value || y->value.i_value;
4586 error ("%s:%d: Internal assembler error\n", __FILE__, __LINE__);
4590 /* Canonicalize order to EXPR OP CONSTANT. */
4591 if (x->type == Expr_Node_Constant)
4597 /* Canonicalize subtraction of const to addition of negated const. */
4598 if (op == Expr_Op_Type_Sub && y->type == Expr_Node_Constant)
4600 op = Expr_Op_Type_Add;
4601 y->value.i_value = -y->value.i_value;
4603 if (y->type == Expr_Node_Constant && x->type == Expr_Node_Binop
4604 && x->Right_Child->type == Expr_Node_Constant)
4606 if (op == x->value.op_value && x->value.op_value == Expr_Op_Type_Add)
4608 x->Right_Child->value.i_value += y->value.i_value;
4613 /* Create a new expression structure. */
4615 return Expr_Node_Create (Expr_Node_Binop, val, x, y);
4619 unary (Expr_Op_Type op, Expr_Node *x)
4621 if (x->type == Expr_Node_Constant)
4625 case Expr_Op_Type_NEG:
4626 x->value.i_value = -x->value.i_value;
4628 case Expr_Op_Type_COMP:
4629 x->value.i_value = ~x->value.i_value;
4632 error ("%s:%d: Internal assembler error\n", __FILE__, __LINE__);
4638 /* Create a new expression structure. */
4639 Expr_Node_Value val;
4641 return Expr_Node_Create (Expr_Node_Unop, val, x, NULL);
4645 int debug_codeselection = 0;
4647 notethat (char *format, ...)
4650 va_start (ap, format);
4651 if (debug_codeselection)
4653 vfprintf (errorf, format, ap);
4659 main (int argc, char **argv)