/* bfin-parse.y ADI Blackfin parser
- Copyright 2005, 2006, 2007
+ Copyright 2005, 2006, 2007, 2008, 2009
Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
#include "as.h"
#include <obstack.h>
-#include "bfin-aux.h" // opcode generating auxiliaries
+#include "bfin-aux.h" /* Opcode generating auxiliaries. */
#include "libbfd.h"
#include "elf/common.h"
#include "elf/bfin.h"
void error (char *format, ...)
{
va_list ap;
- char buffer[2000];
+ static char buffer[2000];
va_start (ap, format);
vsprintf (buffer, format, ap);
va_end (ap);
- as_bad (buffer);
+ as_bad ("%s", buffer);
}
int
/* Auxiliary functions. */
-static void
-neg_value (Expr_Node *expr)
-{
- expr->value.i_value = -expr->value.i_value;
-}
-
static int
valid_dreg_pair (Register *reg1, Expr_Node *reg2)
{
}
+/* Check mac option. */
+
+static int
+check_macfunc_option (Macfunc *a, Opt_mode *opt)
+{
+ /* Default option is always valid. */
+ if (opt->mod == 0)
+ return 0;
+
+ if ((a->w == 1 && a->P == 1
+ && opt->mod != M_FU && opt->mod != M_IS && opt->mod != M_IU
+ && opt->mod != M_S2RND && opt->mod != M_ISS2)
+ || (a->w == 1 && a->P == 0
+ && opt->mod != M_FU && opt->mod != M_IS && opt->mod != M_IU
+ && opt->mod != M_T && opt->mod != M_TFU && opt->mod != M_S2RND
+ && opt->mod != M_ISS2 && opt->mod != M_IH)
+ || (a->w == 0 && a->P == 0
+ && opt->mod != M_FU && opt->mod != M_IS && opt->mod != M_W32))
+ return -1;
+
+ return 0;
+}
+
/* Check (vector) mac funcs and ops. */
static int
Macfunc mtmp;
Opt_mode otmp;
+ /* The option mode should be put at the end of the second instruction
+ of the vector except M, which should follow MAC1 instruction. */
+ if (opa->mod != 0)
+ return yyerror ("Bad opt mode");
+
/* If a0macfunc comes before a1macfunc, swap them. */
if (aa->n == 0)
{
if (opb->MM != 0)
return yyerror ("(M) not allowed with A0MAC");
- if (opa->mod != 0)
- return yyerror ("Bad opt mode");
if (ab->n != 0)
return yyerror ("Vector AxMACs can't be same");
}
/* If both ops are one of 0, 1, or 2, we have multiply_halfregs in both
assignment_or_macfuncs. */
- if (aa->op < 3 && aa->op >=0
- && ab->op < 3 && ab->op >= 0)
+ if ((aa->op == 0 || aa->op == 1 || aa->op == 2)
+ && (ab->op == 0 || ab->op == 1 || ab->op == 2))
{
if (check_multiply_halfregs (aa, ab) < 0)
return -1;
if (aa->w && (aa->dst.regno - ab->dst.regno != 1))
return yyerror ("Destination Dregs must differ by one");
}
- /* We assign to full regs, thus obey even/odd rules. */
- else if ((aa->w && aa->P && IS_EVEN (aa->dst))
- || (ab->w && ab->P && !IS_EVEN (ab->dst)))
- return yyerror ("Even/Odd register assignment mismatch");
- /* We assign to half regs, thus obey hi/low rules. */
- else if ( (aa->w && !aa->P && !IS_H (aa->dst))
- || (ab->w && !aa->P && IS_H (ab->dst)))
- return yyerror ("High/Low register assignment mismatch");
+
+ /* Make sure mod flags get ORed, too. */
+ opb->mod |= opa->mod;
+
+ /* Check option. */
+ if (check_macfunc_option (aa, opb) < 0
+ && check_macfunc_option (ab, opb) < 0)
+ return yyerror ("bad option");
/* Make sure first macfunc has got both P flags ORed. */
aa->P |= ab->P;
- /* Make sure mod flags get ORed, too. */
- opb->mod |= opa->mod;
return 0;
}
return 0;
}
+static INSTR_T
+gen_multi_instr_1 (INSTR_T dsp32, INSTR_T dsp16_grp1, INSTR_T dsp16_grp2)
+{
+ int mask1 = dsp32 ? insn_regmask (dsp32->value, dsp32->next->value) : 0;
+ int mask2 = dsp16_grp1 ? insn_regmask (dsp16_grp1->value, 0) : 0;
+ int mask3 = dsp16_grp2 ? insn_regmask (dsp16_grp2->value, 0) : 0;
+
+ if ((mask1 & mask2) || (mask1 & mask3) || (mask2 & mask3))
+ yyerror ("resource conflict in multi-issue instruction");
+
+ /* Anomaly 05000074 */
+ if (ENABLE_AC_05000074
+ && dsp32 != NULL && dsp16_grp1 != NULL
+ && (dsp32->value & 0xf780) == 0xc680
+ && ((dsp16_grp1->value & 0xfe40) == 0x9240
+ || (dsp16_grp1->value & 0xfe08) == 0xba08
+ || (dsp16_grp1->value & 0xfc00) == 0xbc00))
+ yyerror ("anomaly 05000074 - Multi-Issue Instruction with \
+dsp32shiftimm in slot1 and P-reg Store in slot2 Not Supported");
+
+ return bfin_gen_multi_instr (dsp32, dsp16_grp1, dsp16_grp2);
+}
+
%}
%union {
%type <reg> a_minusassign
%type <macfunc> multiply_halfregs
%type <macfunc> assign_macfunc
-%type <macfunc> a_macfunc
+%type <macfunc> a_macfunc
%type <expr> expr_1
%type <instr> asm_1
%type <r0> vmod
if (($1->value & 0xf800) == 0xc000)
{
if (is_group1 ($3) && is_group2 ($5))
- $$ = bfin_gen_multi_instr ($1, $3, $5);
+ $$ = gen_multi_instr_1 ($1, $3, $5);
else if (is_group2 ($3) && is_group1 ($5))
- $$ = bfin_gen_multi_instr ($1, $5, $3);
+ $$ = gen_multi_instr_1 ($1, $5, $3);
else
return yyerror ("Wrong 16 bit instructions groups, slot 2 and slot 3 must be 16-bit instrution group");
}
else if (($3->value & 0xf800) == 0xc000)
{
if (is_group1 ($1) && is_group2 ($5))
- $$ = bfin_gen_multi_instr ($3, $1, $5);
+ $$ = gen_multi_instr_1 ($3, $1, $5);
else if (is_group2 ($1) && is_group1 ($5))
- $$ = bfin_gen_multi_instr ($3, $5, $1);
+ $$ = gen_multi_instr_1 ($3, $5, $1);
else
return yyerror ("Wrong 16 bit instructions groups, slot 1 and slot 3 must be 16-bit instrution group");
}
else if (($5->value & 0xf800) == 0xc000)
{
if (is_group1 ($1) && is_group2 ($3))
- $$ = bfin_gen_multi_instr ($5, $1, $3);
+ $$ = gen_multi_instr_1 ($5, $1, $3);
else if (is_group2 ($1) && is_group1 ($3))
- $$ = bfin_gen_multi_instr ($5, $3, $1);
+ $$ = gen_multi_instr_1 ($5, $3, $1);
else
return yyerror ("Wrong 16 bit instructions groups, slot 1 and slot 2 must be 16-bit instrution group");
}
if (($1->value & 0xf800) == 0xc000)
{
if (is_group1 ($3))
- $$ = bfin_gen_multi_instr ($1, $3, 0);
+ $$ = gen_multi_instr_1 ($1, $3, 0);
else if (is_group2 ($3))
- $$ = bfin_gen_multi_instr ($1, 0, $3);
+ $$ = gen_multi_instr_1 ($1, 0, $3);
else
return yyerror ("Wrong 16 bit instructions groups, slot 2 must be the 16-bit instruction group");
}
else if (($3->value & 0xf800) == 0xc000)
{
if (is_group1 ($1))
- $$ = bfin_gen_multi_instr ($3, $1, 0);
+ $$ = gen_multi_instr_1 ($3, $1, 0);
else if (is_group2 ($1))
- $$ = bfin_gen_multi_instr ($3, 0, $1);
+ $$ = gen_multi_instr_1 ($3, 0, $1);
else
return yyerror ("Wrong 16 bit instructions groups, slot 1 must be the 16-bit instruction group");
}
else if (is_group1 ($1) && is_group2 ($3))
- $$ = bfin_gen_multi_instr (0, $1, $3);
+ $$ = gen_multi_instr_1 (0, $1, $3);
else if (is_group2 ($1) && is_group1 ($3))
- $$ = bfin_gen_multi_instr (0, $3, $1);
+ $$ = gen_multi_instr_1 (0, $3, $1);
else
return yyerror ("Wrong 16 bit instructions groups, slot 1 and slot 2 must be the 16-bit instruction group");
}
int w0 = 0, w1 = 0;
int h00, h10, h01, h11;
+ if (check_macfunc_option (&$1, &$2) < 0)
+ return yyerror ("bad option");
+
if ($1.n == 0)
{
if ($2.MM)
| LPAREN REG COMMA REG RPAREN ASSIGN BYTEOP16M LPAREN REG COLON expr COMMA
REG COLON expr RPAREN aligndir
{
- if (!IS_DREG ($2) || !IS_DREG($4))
+ if (!IS_DREG ($2) || !IS_DREG ($4))
return yyerror ("Dregs expected");
else if (!valid_dreg_pair (&$9, $11))
return yyerror ("Bad dreg pair");
notethat ("COMPI2opD: dregs += imm7\n");
$$ = COMPI2OPD (&$1, imm7 ($3), 1);
}
+ else if ((IS_DREG ($1) || IS_PREG ($1)) && IS_CONST ($3))
+ return yyerror ("Immediate value out of range");
else
return yyerror ("Register mismatch");
}
}
| CCREG ASSIGN REG_A _ASSIGN_ASSIGN REG_A
{
- if (!REG_SAME ($3, $5))
+ if ($3.regno == REG_A0 && $5.regno == REG_A1)
{
notethat ("CCflag: CC = A0 == A1\n");
$$ = CCFLAG (0, 0, 5, 0, 0);
}
else
- return yyerror ("CC register expected");
+ return yyerror ("AREGs are in bad order or same");
}
| CCREG ASSIGN REG_A LESS_THAN REG_A
{
- if (!REG_SAME ($3, $5))
+ if ($3.regno == REG_A0 && $5.regno == REG_A1)
{
notethat ("CCflag: CC = A0 < A1\n");
$$ = CCFLAG (0, 0, 6, 0, 0);
}
else
- return yyerror ("Register mismatch");
+ return yyerror ("AREGs are in bad order or same");
}
| CCREG ASSIGN REG LESS_THAN REG iu_or_nothing
{
- if (REG_CLASS($3) == REG_CLASS($5))
+ if ((IS_DREG ($3) && IS_DREG ($5))
+ || (IS_PREG ($3) && IS_PREG ($5)))
{
notethat ("CCflag: CC = dpregs < dpregs\n");
$$ = CCFLAG (&$3, $5.regno & CODE_MASK, $6.r0, 0, IS_PREG ($3) ? 1 : 0);
}
else
- return yyerror ("Compare only of same register class");
+ return yyerror ("Bad register in comparison");
}
| CCREG ASSIGN REG LESS_THAN expr iu_or_nothing
{
+ if (!IS_DREG ($3) && !IS_PREG ($3))
+ return yyerror ("Bad register in comparison");
+
if (($6.r0 == 1 && IS_IMM ($5, 3))
|| ($6.r0 == 3 && IS_UIMM ($5, 3)))
{
}
| CCREG ASSIGN REG _ASSIGN_ASSIGN REG
{
- if (REG_CLASS($3) == REG_CLASS($5))
+ if ((IS_DREG ($3) && IS_DREG ($5))
+ || (IS_PREG ($3) && IS_PREG ($5)))
{
notethat ("CCflag: CC = dpregs == dpregs\n");
$$ = CCFLAG (&$3, $5.regno & CODE_MASK, 0, 0, IS_PREG ($3) ? 1 : 0);
- }
+ }
+ else
+ return yyerror ("Bad register in comparison");
}
| CCREG ASSIGN REG _ASSIGN_ASSIGN expr
{
+ if (!IS_DREG ($3) && !IS_PREG ($3))
+ return yyerror ("Bad register in comparison");
+
if (IS_IMM ($5, 3))
{
notethat ("CCflag: CC = dpregs == imm3\n");
}
| CCREG ASSIGN REG_A _LESS_THAN_ASSIGN REG_A
{
- if (!REG_SAME ($3, $5))
+ if ($3.regno == REG_A0 && $5.regno == REG_A1)
{
notethat ("CCflag: CC = A0 <= A1\n");
$$ = CCFLAG (0, 0, 7, 0, 0);
}
else
- return yyerror ("CC register expected");
+ return yyerror ("AREGs are in bad order or same");
}
| CCREG ASSIGN REG _LESS_THAN_ASSIGN REG iu_or_nothing
{
- if (REG_CLASS($3) == REG_CLASS($5))
+ if ((IS_DREG ($3) && IS_DREG ($5))
+ || (IS_PREG ($3) && IS_PREG ($5)))
{
- notethat ("CCflag: CC = pregs <= pregs (..)\n");
+ notethat ("CCflag: CC = dpregs <= dpregs (..)\n");
$$ = CCFLAG (&$3, $5.regno & CODE_MASK,
1 + $6.r0, 0, IS_PREG ($3) ? 1 : 0);
}
else
- return yyerror ("Compare only of same register class");
+ return yyerror ("Bad register in comparison");
}
| CCREG ASSIGN REG _LESS_THAN_ASSIGN expr iu_or_nothing
{
+ if (!IS_DREG ($3) && !IS_PREG ($3))
+ return yyerror ("Bad register in comparison");
+
if (($6.r0 == 1 && IS_IMM ($5, 3))
|| ($6.r0 == 3 && IS_UIMM ($5, 3)))
{
- if (IS_DREG ($3))
- {
- notethat ("CCflag: CC = dregs <= (u)imm3\n");
- /* x y opc I G */
- $$ = CCFLAG (&$3, imm3 ($5), 1 + $6.r0, 1, 0);
- }
- else if (IS_PREG ($3))
- {
- notethat ("CCflag: CC = pregs <= (u)imm3\n");
- /* x y opc I G */
- $$ = CCFLAG (&$3, imm3 ($5), 1 + $6.r0, 1, 1);
- }
- else
- return yyerror ("Dreg or Preg expected");
+ notethat ("CCflag: CC = dpregs <= (u)imm3\n");
+ $$ = CCFLAG (&$3, imm3 ($5), 1 + $6.r0, 1, IS_PREG ($3) ? 1 : 0);
}
else
return yyerror ("Bad constant value");
| REG ASSIGN REG
{
- if (IS_ALLREG ($1) && IS_ALLREG ($3))
+ if ((IS_GENREG ($1) && IS_GENREG ($3))
+ || (IS_GENREG ($1) && IS_DAGREG ($3))
+ || (IS_DAGREG ($1) && IS_GENREG ($3))
+ || (IS_DAGREG ($1) && IS_DAGREG ($3))
+ || (IS_GENREG ($1) && $3.regno == REG_USP)
+ || ($1.regno == REG_USP && IS_GENREG ($3))
+ || (IS_DREG ($1) && IS_SYSREG ($3))
+ || (IS_PREG ($1) && IS_SYSREG ($3))
+ || (IS_SYSREG ($1) && IS_DREG ($3))
+ || (IS_SYSREG ($1) && IS_PREG ($3))
+ || (IS_SYSREG ($1) && $3.regno == REG_USP))
{
- notethat ("REGMV: allregs = allregs\n");
$$ = bfin_gen_regmv (&$3, &$1);
}
else
if (!IS_H ($1) && $4.MM)
return yyerror ("(M) not allowed with MAC0");
+ if ($4.mod != 0 && $4.mod != M_FU && $4.mod != M_IS
+ && $4.mod != M_IU && $4.mod != M_T && $4.mod != M_TFU
+ && $4.mod != M_S2RND && $4.mod != M_ISS2 && $4.mod != M_IH)
+ return yyerror ("bad option.");
+
if (IS_H ($1))
{
$$ = DSP32MULT (0, $4.MM, $4.mod, 1, 0,
if (IS_EVEN ($1) && $4.MM)
return yyerror ("(M) not allowed with MAC0");
+ if ($4.mod != 0 && $4.mod != M_FU && $4.mod != M_IS
+ && $4.mod != M_S2RND && $4.mod != M_ISS2)
+ return yyerror ("bad option");
+
if (!IS_EVEN ($1))
{
notethat ("dsp32mult: dregs = multiply_halfregs (opt_mode)\n");
else
return yyerror ("Bad shift value or register");
}
- | HALF_REG ASSIGN HALF_REG LESS_LESS expr
- {
- if (IS_UIMM ($5, 4))
- {
- notethat ("dsp32shiftimm: dregs_half = dregs_half << uimm4\n");
- $$ = DSP32SHIFTIMM (0x0, &$1, imm5 ($5), &$3, 2, HL2 ($1, $3));
- }
- else
- return yyerror ("Bad shift value");
- }
| HALF_REG ASSIGN HALF_REG LESS_LESS expr smod
{
if (IS_UIMM ($5, 4))
{
- notethat ("dsp32shiftimm: dregs_half = dregs_half << uimm4\n");
- $$ = DSP32SHIFTIMM (0x0, &$1, imm5 ($5), &$3, $6.s0, HL2 ($1, $3));
+ if ($6.s0)
+ {
+ notethat ("dsp32shiftimm: dregs_half = dregs_half << uimm4 (S)\n");
+ $$ = DSP32SHIFTIMM (0x0, &$1, imm5 ($5), &$3, $6.s0, HL2 ($1, $3));
+ }
+ else
+ {
+ notethat ("dsp32shiftimm: dregs_half = dregs_half << uimm4\n");
+ $$ = DSP32SHIFTIMM (0x0, &$1, imm5 ($5), &$3, 2, HL2 ($1, $3));
+ }
}
else
return yyerror ("Bad shift value");
| B LBRACK REG post_op RBRACK ASSIGN REG
{
- if (IS_PREG ($3) && IS_DREG ($7))
- {
- notethat ("LDST: B [ pregs <post_op> ] = dregs\n");
- $$ = LDST (&$3, &$7, $4.x0, 2, 0, 1);
- }
- else
- return yyerror ("Register mismatch");
+ if (!IS_DREG ($7))
+ return yyerror ("Dreg expected for source operand");
+ if (!IS_PREG ($3))
+ return yyerror ("Preg expected in address");
+
+ notethat ("LDST: B [ pregs <post_op> ] = dregs\n");
+ $$ = LDST (&$3, &$7, $4.x0, 2, 0, 1);
}
/* LDSTidxI: B [ pregs + imm16 ] = dregs. */
| B LBRACK REG plus_minus expr RBRACK ASSIGN REG
{
- if (IS_PREG ($3) && IS_RANGE(16, $5, $4.r0, 1) && IS_DREG ($8))
+ Expr_Node *tmp = $5;
+
+ if (!IS_DREG ($8))
+ return yyerror ("Dreg expected for source operand");
+ if (!IS_PREG ($3))
+ return yyerror ("Preg expected in address");
+
+ if (IS_RELOC ($5))
+ return yyerror ("Plain symbol used as offset");
+
+ if ($4.r0)
+ tmp = unary (Expr_Op_Type_NEG, tmp);
+
+ if (in_range_p (tmp, -32768, 32767, 0))
{
notethat ("LDST: B [ pregs + imm16 ] = dregs\n");
- if ($4.r0)
- neg_value ($5);
$$ = LDSTIDXI (&$3, &$8, 1, 2, 0, $5);
}
else
- return yyerror ("Register mismatch or const size wrong");
+ return yyerror ("Displacement out of range");
}
/* LDSTii: W [ pregs + uimm4s2 ] = dregs. */
| W LBRACK REG plus_minus expr RBRACK ASSIGN REG
{
- if (IS_PREG ($3) && IS_URANGE (4, $5, $4.r0, 2) && IS_DREG ($8))
+ Expr_Node *tmp = $5;
+
+ if (!IS_DREG ($8))
+ return yyerror ("Dreg expected for source operand");
+ if (!IS_PREG ($3))
+ return yyerror ("Preg expected in address");
+
+ if ($4.r0)
+ tmp = unary (Expr_Op_Type_NEG, tmp);
+
+ if (IS_RELOC ($5))
+ return yyerror ("Plain symbol used as offset");
+
+ if (in_range_p (tmp, 0, 30, 1))
{
notethat ("LDSTii: W [ pregs +- uimm5m2 ] = dregs\n");
- $$ = LDSTII (&$3, &$8, $5, 1, 1);
+ $$ = LDSTII (&$3, &$8, tmp, 1, 1);
}
- else if (IS_PREG ($3) && IS_RANGE(16, $5, $4.r0, 2) && IS_DREG ($8))
+ else if (in_range_p (tmp, -65536, 65535, 1))
{
notethat ("LDSTidxI: W [ pregs + imm17m2 ] = dregs\n");
- if ($4.r0)
- neg_value ($5);
- $$ = LDSTIDXI (&$3, &$8, 1, 1, 0, $5);
+ $$ = LDSTIDXI (&$3, &$8, 1, 1, 0, tmp);
}
else
- return yyerror ("Bad register(s) or wrong constant size");
+ return yyerror ("Displacement out of range");
}
/* LDST: W [ pregs <post_op> ] = dregs. */
| W LBRACK REG post_op RBRACK ASSIGN REG
{
- if (IS_PREG ($3) && IS_DREG ($7))
- {
- notethat ("LDST: W [ pregs <post_op> ] = dregs\n");
- $$ = LDST (&$3, &$7, $4.x0, 1, 0, 1);
- }
- else
- return yyerror ("Bad register(s) for STORE");
+ if (!IS_DREG ($7))
+ return yyerror ("Dreg expected for source operand");
+ if (!IS_PREG ($3))
+ return yyerror ("Preg expected in address");
+
+ notethat ("LDST: W [ pregs <post_op> ] = dregs\n");
+ $$ = LDST (&$3, &$7, $4.x0, 1, 0, 1);
}
| W LBRACK REG post_op RBRACK ASSIGN HALF_REG
{
+ if (!IS_DREG ($7))
+ return yyerror ("Dreg expected for source operand");
+ if ($4.x0 == 2)
+ {
+ if (!IS_IREG ($3) && !IS_PREG ($3))
+ return yyerror ("Ireg or Preg expected in address");
+ }
+ else if (!IS_IREG ($3))
+ return yyerror ("Ireg expected in address");
+
if (IS_IREG ($3))
{
notethat ("dspLDST: W [ iregs <post_op> ] = dregs_half\n");
$$ = DSPLDST (&$3, 1 + IS_H ($7), &$7, $4.x0, 1);
}
- else if ($4.x0 == 2 && IS_PREG ($3) && IS_DREG ($7))
+ else
{
- notethat ("LDSTpmod: W [ pregs <post_op>] = dregs_half\n");
+ notethat ("LDSTpmod: W [ pregs ] = dregs_half\n");
$$ = LDSTPMOD (&$3, &$7, &$3, 1 + IS_H ($7), 1);
-
}
- else
- return yyerror ("Bad register(s) for STORE");
}
/* LDSTiiFP: [ FP - const ] = dpregs. */
int ispreg = IS_PREG ($7);
if (!IS_PREG ($2))
- return yyerror ("Preg expected for indirect");
+ return yyerror ("Preg expected in address");
if (!IS_DREG ($7) && !ispreg)
- return yyerror ("Bad source register for STORE");
+ return yyerror ("Preg expected for source operand");
if ($3.r0)
tmp = unary (Expr_Op_Type_NEG, tmp);
+ if (IS_RELOC ($4))
+ return yyerror ("Plain symbol used as offset");
+
if (in_range_p (tmp, 0, 63, 3))
{
notethat ("LDSTii: dpregs = [ pregs + uimm6m4 ]\n");
else if (in_range_p (tmp, -131072, 131071, 3))
{
notethat ("LDSTidxI: [ pregs + imm18m4 ] = dpregs\n");
- $$ = LDSTIDXI (&$2, &$7, 1, 0, ispreg ? 1: 0, tmp);
+ $$ = LDSTIDXI (&$2, &$7, 1, 0, ispreg ? 1 : 0, tmp);
}
else
- return yyerror ("Displacement out of range for store");
+ return yyerror ("Displacement out of range");
}
| REG ASSIGN W LBRACK REG plus_minus expr RBRACK xpmod
{
- if (IS_DREG ($1) && IS_PREG ($5) && IS_URANGE (4, $7, $6.r0, 2))
+ Expr_Node *tmp = $7;
+ if (!IS_DREG ($1))
+ return yyerror ("Dreg expected for destination operand");
+ if (!IS_PREG ($5))
+ return yyerror ("Preg expected in address");
+
+ if ($6.r0)
+ tmp = unary (Expr_Op_Type_NEG, tmp);
+
+ if (IS_RELOC ($7))
+ return yyerror ("Plain symbol used as offset");
+
+ if (in_range_p (tmp, 0, 30, 1))
{
- notethat ("LDSTii: dregs = W [ pregs + uimm4s2 ] (.)\n");
- $$ = LDSTII (&$5, &$1, $7, 0, 1 << $9.r0);
+ notethat ("LDSTii: dregs = W [ pregs + uimm5m2 ] (.)\n");
+ $$ = LDSTII (&$5, &$1, tmp, 0, 1 << $9.r0);
}
- else if (IS_DREG ($1) && IS_PREG ($5) && IS_RANGE(16, $7, $6.r0, 2))
+ else if (in_range_p (tmp, -65536, 65535, 1))
{
notethat ("LDSTidxI: dregs = W [ pregs + imm17m2 ] (.)\n");
- if ($6.r0)
- neg_value ($7);
- $$ = LDSTIDXI (&$5, &$1, 0, 1, $9.r0, $7);
+ $$ = LDSTIDXI (&$5, &$1, 0, 1, $9.r0, tmp);
}
else
- return yyerror ("Bad register or constant for LOAD");
+ return yyerror ("Displacement out of range");
}
| HALF_REG ASSIGN W LBRACK REG post_op RBRACK
{
+ if (!IS_DREG ($1))
+ return yyerror ("Dreg expected for source operand");
+ if ($6.x0 == 2)
+ {
+ if (!IS_IREG ($5) && !IS_PREG ($5))
+ return yyerror ("Ireg or Preg expected in address");
+ }
+ else if (!IS_IREG ($5))
+ return yyerror ("Ireg expected in address");
+
if (IS_IREG ($5))
{
- notethat ("dspLDST: dregs_half = W [ iregs ]\n");
+ notethat ("dspLDST: dregs_half = W [ iregs <post_op> ]\n");
$$ = DSPLDST(&$5, 1 + IS_H ($1), &$1, $6.x0, 0);
}
- else if ($6.x0 == 2 && IS_DREG ($1) && IS_PREG ($5))
+ else
{
- notethat ("LDSTpmod: dregs_half = W [ pregs ]\n");
+ notethat ("LDSTpmod: dregs_half = W [ pregs <post_op> ]\n");
$$ = LDSTPMOD (&$5, &$1, &$5, 1 + IS_H ($1), 0);
}
- else
- return yyerror ("Bad register or post_op for LOAD");
}
| REG ASSIGN W LBRACK REG post_op RBRACK xpmod
{
- if (IS_DREG ($1) && IS_PREG ($5))
- {
- notethat ("LDST: dregs = W [ pregs <post_op> ] (.)\n");
- $$ = LDST (&$5, &$1, $6.x0, 1, $8.r0, 0);
- }
- else
- return yyerror ("Bad register for LOAD");
+ if (!IS_DREG ($1))
+ return yyerror ("Dreg expected for destination operand");
+ if (!IS_PREG ($5))
+ return yyerror ("Preg expected in address");
+
+ notethat ("LDST: dregs = W [ pregs <post_op> ] (.)\n");
+ $$ = LDST (&$5, &$1, $6.x0, 1, $8.r0, 0);
}
| REG ASSIGN W LBRACK REG _PLUS_PLUS REG RBRACK xpmod
{
- if (IS_DREG ($1) && IS_PREG ($5) && IS_PREG ($7))
- {
- notethat ("LDSTpmod: dregs = W [ pregs ++ pregs ] (.)\n");
- $$ = LDSTPMOD (&$5, &$1, &$7, 3, $9.r0);
- }
- else
- return yyerror ("Bad register for LOAD");
+ if (!IS_DREG ($1))
+ return yyerror ("Dreg expected for destination operand");
+ if (!IS_PREG ($5) || !IS_PREG ($7))
+ return yyerror ("Preg expected in address");
+
+ notethat ("LDSTpmod: dregs = W [ pregs ++ pregs ] (.)\n");
+ $$ = LDSTPMOD (&$5, &$1, &$7, 3, $9.r0);
}
| HALF_REG ASSIGN W LBRACK REG _PLUS_PLUS REG RBRACK
{
- if (IS_DREG ($1) && IS_PREG ($5) && IS_PREG ($7))
- {
- notethat ("LDSTpmod: dregs_half = W [ pregs ++ pregs ]\n");
- $$ = LDSTPMOD (&$5, &$1, &$7, 1 + IS_H ($1), 0);
- }
- else
- return yyerror ("Bad register for LOAD");
+ if (!IS_DREG ($1))
+ return yyerror ("Dreg expected for destination operand");
+ if (!IS_PREG ($5) || !IS_PREG ($7))
+ return yyerror ("Preg expected in address");
+
+ notethat ("LDSTpmod: dregs_half = W [ pregs ++ pregs ]\n");
+ $$ = LDSTPMOD (&$5, &$1, &$7, 1 + IS_H ($1), 0);
}
| LBRACK REG post_op RBRACK ASSIGN REG
{
- if (IS_IREG ($2) && IS_DREG ($6))
+ if (!IS_IREG ($2) && !IS_PREG ($2))
+ return yyerror ("Ireg or Preg expected in address");
+ else if (IS_IREG ($2) && !IS_DREG ($6))
+ return yyerror ("Dreg expected for source operand");
+ else if (IS_PREG ($2) && !IS_DREG ($6) && !IS_PREG ($6))
+ return yyerror ("Dreg or Preg expected for source operand");
+
+ if (IS_IREG ($2))
{
notethat ("dspLDST: [ iregs <post_op> ] = dregs\n");
$$ = DSPLDST(&$2, 0, &$6, $3.x0, 1);
}
- else if (IS_PREG ($2) && IS_DREG ($6))
+ else if (IS_DREG ($6))
{
notethat ("LDST: [ pregs <post_op> ] = dregs\n");
$$ = LDST (&$2, &$6, $3.x0, 0, 0, 1);
}
- else if (IS_PREG ($2) && IS_PREG ($6))
+ else
{
notethat ("LDST: [ pregs <post_op> ] = pregs\n");
$$ = LDST (&$2, &$6, $3.x0, 0, 1, 1);
}
- else
- return yyerror ("Bad register for STORE");
}
| LBRACK REG _PLUS_PLUS REG RBRACK ASSIGN REG
{
- if (! IS_DREG ($7))
- return yyerror ("Expected Dreg for last argument");
+ if (!IS_DREG ($7))
+ return yyerror ("Dreg expected for source operand");
if (IS_IREG ($2) && IS_MREG ($4))
{
$$ = LDSTPMOD (&$2, &$7, &$4, 0, 1);
}
else
- return yyerror ("Bad register for STORE");
+ return yyerror ("Preg ++ Preg or Ireg ++ Mreg expected in address");
}
| W LBRACK REG _PLUS_PLUS REG RBRACK ASSIGN HALF_REG
{
if (!IS_DREG ($8))
- return yyerror ("Expect Dreg as last argument");
+ return yyerror ("Dreg expected for source operand");
+
if (IS_PREG ($3) && IS_PREG ($5))
{
notethat ("LDSTpmod: W [ pregs ++ pregs ] = dregs_half\n");
$$ = LDSTPMOD (&$3, &$8, &$5, 1 + IS_H ($8), 1);
}
else
- return yyerror ("Bad register for STORE");
+ return yyerror ("Preg ++ Preg expected in address");
}
| REG ASSIGN B LBRACK REG plus_minus expr RBRACK xpmod
{
- if (IS_DREG ($1) && IS_PREG ($5) && IS_RANGE(16, $7, $6.r0, 1))
+ Expr_Node *tmp = $7;
+ if (!IS_DREG ($1))
+ return yyerror ("Dreg expected for destination operand");
+ if (!IS_PREG ($5))
+ return yyerror ("Preg expected in address");
+
+ if ($6.r0)
+ tmp = unary (Expr_Op_Type_NEG, tmp);
+
+ if (IS_RELOC ($7))
+ return yyerror ("Plain symbol used as offset");
+
+ if (in_range_p (tmp, -32768, 32767, 0))
{
notethat ("LDSTidxI: dregs = B [ pregs + imm16 ] (%c)\n",
$9.r0 ? 'X' : 'Z');
- if ($6.r0)
- neg_value ($7);
- $$ = LDSTIDXI (&$5, &$1, 0, 2, $9.r0, $7);
+ $$ = LDSTIDXI (&$5, &$1, 0, 2, $9.r0, tmp);
}
else
- return yyerror ("Bad register or value for LOAD");
+ return yyerror ("Displacement out of range");
}
| REG ASSIGN B LBRACK REG post_op RBRACK xpmod
{
- if (IS_DREG ($1) && IS_PREG ($5))
- {
- notethat ("LDST: dregs = B [ pregs <post_op> ] (%c)\n",
- $8.r0 ? 'X' : 'Z');
- $$ = LDST (&$5, &$1, $6.x0, 2, $8.r0, 0);
- }
- else
- return yyerror ("Bad register for LOAD");
+ if (!IS_DREG ($1))
+ return yyerror ("Dreg expected for destination operand");
+ if (!IS_PREG ($5))
+ return yyerror ("Preg expected in address");
+
+ notethat ("LDST: dregs = B [ pregs <post_op> ] (%c)\n",
+ $8.r0 ? 'X' : 'Z');
+ $$ = LDST (&$5, &$1, $6.x0, 2, $8.r0, 0);
}
| REG ASSIGN LBRACK REG _PLUS_PLUS REG RBRACK
{
- if (IS_DREG ($1) && IS_IREG ($4) && IS_MREG ($6))
+ if (!IS_DREG ($1))
+ return yyerror ("Dreg expected for destination operand");
+
+ if (IS_IREG ($4) && IS_MREG ($6))
{
notethat ("dspLDST: dregs = [ iregs ++ mregs ]\n");
$$ = DSPLDST(&$4, $6.regno & CODE_MASK, &$1, 3, 0);
}
- else if (IS_DREG ($1) && IS_PREG ($4) && IS_PREG ($6))
+ else if (IS_PREG ($4) && IS_PREG ($6))
{
notethat ("LDSTpmod: dregs = [ pregs ++ pregs ]\n");
$$ = LDSTPMOD (&$4, &$1, &$6, 0, 0);
}
else
- return yyerror ("Bad register for LOAD");
+ return yyerror ("Preg ++ Preg or Ireg ++ Mreg expected in address");
}
| REG ASSIGN LBRACK REG plus_minus got_or_expr RBRACK
int isgot = IS_RELOC($6);
if (!IS_PREG ($4))
- return yyerror ("Preg expected for indirect");
+ return yyerror ("Preg expected in address");
if (!IS_DREG ($1) && !ispreg)
- return yyerror ("Bad destination register for LOAD");
+ return yyerror ("Dreg or Preg expected for destination operand");
+
+ if (tmp->type == Expr_Node_Reloc
+ && strcmp (tmp->value.s_value,
+ "_current_shared_library_p5_offset_") != 0)
+ return yyerror ("Plain symbol used as offset");
if ($5.r0)
tmp = unary (Expr_Op_Type_NEG, tmp);
- if(isgot){
+ if (isgot)
+ {
notethat ("LDSTidxI: dpregs = [ pregs + sym@got ]\n");
- $$ = LDSTIDXI (&$4, &$1, 0, 0, ispreg ? 1: 0, tmp);
- }
+ $$ = LDSTIDXI (&$4, &$1, 0, 0, ispreg ? 1 : 0, tmp);
+ }
else if (in_range_p (tmp, 0, 63, 3))
{
notethat ("LDSTii: dpregs = [ pregs + uimm7m4 ]\n");
else if (in_range_p (tmp, -131072, 131071, 3))
{
notethat ("LDSTidxI: dpregs = [ pregs + imm18m4 ]\n");
- $$ = LDSTIDXI (&$4, &$1, 0, 0, ispreg ? 1: 0, tmp);
+ $$ = LDSTIDXI (&$4, &$1, 0, 0, ispreg ? 1 : 0, tmp);
}
else
- return yyerror ("Displacement out of range for load");
+ return yyerror ("Displacement out of range");
}
| REG ASSIGN LBRACK REG post_op RBRACK
{
- if (IS_DREG ($1) && IS_IREG ($4))
+ if (!IS_IREG ($4) && !IS_PREG ($4))
+ return yyerror ("Ireg or Preg expected in address");
+ else if (IS_IREG ($4) && !IS_DREG ($1))
+ return yyerror ("Dreg expected in destination operand");
+ else if (IS_PREG ($4) && !IS_DREG ($1) && !IS_PREG ($1)
+ && ($4.regno != REG_SP || !IS_ALLREG ($1) || $5.x0 != 0))
+ return yyerror ("Dreg or Preg expected in destination operand");
+
+ if (IS_IREG ($4))
{
notethat ("dspLDST: dregs = [ iregs <post_op> ]\n");
$$ = DSPLDST (&$4, 0, &$1, $5.x0, 0);
}
- else if (IS_DREG ($1) && IS_PREG ($4))
+ else if (IS_DREG ($1))
{
notethat ("LDST: dregs = [ pregs <post_op> ]\n");
$$ = LDST (&$4, &$1, $5.x0, 0, 0, 0);
}
- else if (IS_PREG ($1) && IS_PREG ($4))
+ else if (IS_PREG ($1))
{
if (REG_SAME ($1, $4) && $5.x0 != 2)
return yyerror ("Pregs can't be same");
notethat ("LDST: pregs = [ pregs <post_op> ]\n");
$$ = LDST (&$4, &$1, $5.x0, 0, 1, 0);
}
- else if ($4.regno == REG_SP && IS_ALLREG ($1) && $5.x0 == 0)
+ else
{
notethat ("PushPopReg: allregs = [ SP ++ ]\n");
$$ = PUSHPOPREG (&$1, 0);
}
- else
- return yyerror ("Bad register or value");
}
else
return yyerror ("Bad register or values for LOOP");
}
+
+/* LOOP_BEGIN. */
+ | LOOP_BEGIN expr
+ {
+ if (!IS_RELOC ($2))
+ return yyerror ("Invalid expression in LOOP_BEGIN statement");
+
+ bfin_loop_beginend ($2, 1);
+ $$ = 0;
+ }
+
+/* LOOP_END. */
+ | LOOP_END expr
+ {
+ if (!IS_RELOC ($2))
+ return yyerror ("Invalid expression in LOOP_END statement");
+
+ bfin_loop_beginend ($2, 0);
+ $$ = 0;
+ }
+
/* pseudoDEBUG. */
| DBG
$$ = bfin_gen_pseudodbg (3, 5, 0);
}
+ | HLT
+ {
+ notethat ("psedoDEBUG: HLT\n");
+ $$ = bfin_gen_pseudodbg (3, 4, 0);
+ }
+
| DBGA LPAREN HALF_REG COMMA expr RPAREN
{
- notethat ("pseudodbg_assert: DBGA (dregs_lo , uimm16 )\n");
+ notethat ("pseudodbg_assert: DBGA (regs_lo/hi , uimm16 )\n");
$$ = bfin_gen_pseudodbg_assert (IS_H ($3), &$3, uimm16 ($5));
}
-
+
| DBGAH LPAREN REG COMMA expr RPAREN
{
- notethat ("pseudodbg_assert: DBGAH (dregs , uimm16 )\n");
+ notethat ("pseudodbg_assert: DBGAH (regs , uimm16 )\n");
$$ = bfin_gen_pseudodbg_assert (3, &$3, uimm16 ($5));
}
| DBGAL LPAREN REG COMMA expr RPAREN
{
- notethat ("psedodbg_assert: DBGAL (dregs , uimm16 )\n");
+ notethat ("psedodbg_assert: DBGAL (regs , uimm16 )\n");
$$ = bfin_gen_pseudodbg_assert (2, &$3, uimm16 ($5));
}
assign_macfunc:
REG ASSIGN REG_A
{
+ if (IS_A1 ($3) && IS_EVEN ($1))
+ return yyerror ("Cannot move A1 to even register");
+ else if (!IS_A1 ($3) && !IS_EVEN ($1))
+ return yyerror ("Cannot move A0 to odd register");
+
$$.w = 1;
$$.P = 1;
$$.n = IS_A1 ($3);
$$.dst = $1;
$$.s0.regno = 0;
$$.s1.regno = 0;
-
- if (IS_A1 ($3) && IS_EVEN ($1))
- return yyerror ("Cannot move A1 to even register");
- else if (!IS_A1 ($3) && !IS_EVEN ($1))
- return yyerror ("Cannot move A0 to odd register");
}
| a_macfunc
{
}
| REG ASSIGN LPAREN a_macfunc RPAREN
{
+ if ($4.n && IS_EVEN ($1))
+ return yyerror ("Cannot move A1 to even register");
+ else if (!$4.n && !IS_EVEN ($1))
+ return yyerror ("Cannot move A0 to odd register");
+
$$ = $4;
$$.w = 1;
$$.P = 1;
| HALF_REG ASSIGN LPAREN a_macfunc RPAREN
{
+ if ($4.n && !IS_H ($1))
+ return yyerror ("Cannot move A1 to low half of register");
+ else if (!$4.n && IS_H ($1))
+ return yyerror ("Cannot move A0 to high half of register");
+
$$ = $4;
$$.w = 1;
$$.P = 0;
| HALF_REG ASSIGN REG_A
{
+ if (IS_A1 ($3) && !IS_H ($1))
+ return yyerror ("Cannot move A1 to low half of register");
+ else if (!IS_A1 ($3) && IS_H ($1))
+ return yyerror ("Cannot move A0 to high half of register");
+
$$.w = 1;
$$.P = 0;
$$.n = IS_A1 ($3);
$$.dst = $1;
$$.s0.regno = 0;
$$.s1.regno = 0;
-
- if (IS_A1 ($3) && !IS_H ($1))
- return yyerror ("Cannot move A1 to low half of register");
- else if (!IS_A1 ($3) && IS_H ($1))
- return yyerror ("Cannot move A0 to high half of register");
}
;
ccstat:
CCREG cc_op STATUS_REG
{
- $$.r0 = $3.regno;
- $$.x0 = $2.r0;
- $$.s0 = 0;
+ $$.r0 = $3.regno;
+ $$.x0 = $2.r0;
+ $$.s0 = 0;
}
| CCREG cc_op V
{
- $$.r0 = 0x18;
- $$.x0 = $2.r0;
- $$.s0 = 0;
+ $$.r0 = 0x18;
+ $$.x0 = $2.r0;
+ $$.s0 = 0;
}
| STATUS_REG cc_op CCREG
{
- $$.r0 = $1.regno;
- $$.x0 = $2.r0;
- $$.s0 = 1;
+ $$.r0 = $1.regno;
+ $$.x0 = $2.r0;
+ $$.s0 = 1;
}
| V cc_op CCREG
{
- $$.r0 = 0x18;
- $$.x0 = $2.r0;
- $$.s0 = 1;
+ $$.r0 = 0x18;
+ $$.x0 = $2.r0;
+ $$.s0 = 1;
}
;
static int
value_match (Expr_Node *expr, int sz, int sign, int mul, int issigned)
{
- long umax = (1L << sz) - 1;
- long min = -1L << (sz - 1);
- long max = (1L << (sz - 1)) - 1;
+ int umax = (1 << sz) - 1;
+ int min = -1 << (sz - 1);
+ int max = (1 << (sz - 1)) - 1;
- long v = EXPR_VALUE (expr);
+ int v = (EXPR_VALUE (expr)) & 0xffffffff;
if ((v % mul) != 0)
{
break;
default:
- error ("%s:%d: Internal compiler error\n", __FILE__, __LINE__);
+ error ("%s:%d: Internal assembler error\n", __FILE__, __LINE__);
}
return x;
}
x->value.i_value = ~x->value.i_value;
break;
default:
- error ("%s:%d: Internal compiler error\n", __FILE__, __LINE__);
+ error ("%s:%d: Internal assembler error\n", __FILE__, __LINE__);
}
return x;
}
projects / msp430-binutils.git / blobdiff