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cse.c (invalidate_from_clobbers): Delete unnecessary test for (clobber nil).

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* cse.c (invalidate_from_clobbers): Delete unnecessary test for
	(clobber nil).

From-SVN: r13618
This commit is contained in:
Doug Evans 1997-02-07 18:56:07 +00:00
parent 580ceef20e
commit 899bf2bfa5
1 changed files with 7 additions and 9 deletions
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16
gcc/cse.c
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@ -7653,15 +7653,13 @@ invalidate_from_clobbers (w, x)
if (GET_CODE (x) == CLOBBER)
{
rtx ref = XEXP (x, 0);
if (ref)
{
if (GET_CODE (ref) == REG || GET_CODE (ref) == SUBREG
|| (GET_CODE (ref) == MEM && ! w->all))
invalidate (ref, VOIDmode);
else if (GET_CODE (ref) == STRICT_LOW_PART
|| GET_CODE (ref) == ZERO_EXTRACT)
invalidate (XEXP (ref, 0), GET_MODE (ref));
}
if (GET_CODE (ref) == REG || GET_CODE (ref) == SUBREG
|| (GET_CODE (ref) == MEM && ! w->all))
invalidate (ref, VOIDmode);
else if (GET_CODE (ref) == STRICT_LOW_PART
|| GET_CODE (ref) == ZERO_EXTRACT)
invalidate (XEXP (ref, 0), GET_MODE (ref));
}
else if (GET_CODE (x) == PARALLEL)
{