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(reg_or_0_operand): Use fp_zero_operand.

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(fp_zero_operand): New function.

From-SVN: r5113
This commit is contained in:
Jim Wilson 1993-08-08 15:10:02 -07:00
parent 96f69de58d
commit 302484ff4a
1 changed files with 16 additions and 1 deletions
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17
gcc/config/sparc/sparc.c
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@ -96,13 +96,28 @@ reg_or_0_operand (op, mode)
{
if (op == const0_rtx || register_operand (op, mode))
return 1;
if (GET_CODE (op) == CONST_DOUBLE
if (GET_MODE (op) == DImode && GET_CODE (op) == CONST_DOUBLE
&& CONST_DOUBLE_HIGH (op) == 0
&& CONST_DOUBLE_LOW (op) == 0)
return 1;
if (GET_MODE_CLASS (GET_MODE (op)) == MODE_FLOAT
&& GET_CODE (op) == CONST_DOUBLE
&& fp_zero_operand (op))
return 1;
return 0;
}
/* Nonzero if OP is a floating point value with value 0.0. */
int
fp_zero_operand (op)
rtx op;
{
REAL_VALUE_TYPE r;
REAL_VALUE_FROM_CONST_DOUBLE (r, op);
return REAL_VALUES_EQUAL (r, dconst0);
}
/* Nonzero if OP can appear as the dest of a RESTORE insn. */
int
restore_operand (op, mode)