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* config/bfin-parse.y (asm_1): Check value range for 16 bit immediate

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in load immediate intruction.
This commit is contained in:
Jie Zhang 2006-01-20 17:22:50 +00:00
parent 39cd1c7675
commit b14273fe33
2 changed files with 20 additions and 14 deletions
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5
gas/ChangeLog
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@ -1,3 +1,8 @@
2006-01-21 Jie Zhang <jie.zhang@analog.com>
* config/bfin-parse.y (asm_1): Check value range for 16 bit immediate
in load immediate intruction.
2006-01-21 Jie Zhang <jie.zhang@analog.com>
* config/bfin-parse.y (value_match): Use correct conversion

29
gas/config/bfin-parse.y
View File

@ -1221,24 +1221,21 @@ asm_1:
/* 7 bit immediate value if possible.
We will check for that constant value for efficiency
If it goes to reloc, it will be 16 bit. */
if (IS_CONST ($3) && IS_IMM ($3, 7) && (IS_DREG ($1) || IS_PREG ($1)))
if (IS_CONST ($3) && IS_IMM ($3, 7) && IS_DREG ($1))
{
/* if the expr is a relocation, generate it. */
if (IS_DREG ($1) && IS_IMM ($3, 7))
{
notethat ("COMPI2opD: dregs = imm7 (x) \n");
$$ = COMPI2OPD (&$1, imm7 ($3), 0);
}
else if (IS_PREG ($1) && IS_IMM ($3, 7))
{
notethat ("COMPI2opP: pregs = imm7 (x)\n");
$$ = COMPI2OPP (&$1, imm7 ($3), 0);
}
else
return yyerror ("Bad register or value for assigment");
notethat ("COMPI2opD: dregs = imm7 (x) \n");
$$ = COMPI2OPD (&$1, imm7 ($3), 0);
}
else if (IS_CONST ($3) && IS_IMM ($3, 7) && IS_PREG ($1))
{
notethat ("COMPI2opP: pregs = imm7 (x)\n");
$$ = COMPI2OPP (&$1, imm7 ($3), 0);
}
else
{
if (IS_CONST ($3) && !IS_IMM ($3, 16))
return yyerror ("Immediate value out of range");
notethat ("LDIMMhalf: regs = luimm16 (x)\n");
/* reg, H, S, Z. */
$$ = LDIMMHALF_R5 (&$1, 0, 1, 0, $3);
@ -1248,6 +1245,10 @@ asm_1:
{
/* (z) There is no 7 bit zero extended instruction.
If the expr is a relocation, generate it. */
if (IS_CONST ($3) && !IS_UIMM ($3, 16))
return yyerror ("Immediate value out of range");
notethat ("LDIMMhalf: regs = luimm16 (x)\n");
/* reg, H, S, Z. */
$$ = LDIMMHALF_R5 (&$1, 0, 0, 1, $3);