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| author | Doug Evans <dje@gnu.org> | 1997-02-07 18:56:07 +0000 |
|---|---|---|
| committer | Doug Evans <dje@gnu.org> | 1997-02-07 18:56:07 +0000 |
| commit | 899bf2bfa597e9905a9f545e916ecfce3e11a73d (patch) | |
| tree | 053d4bc78876b2935ecc9f5bbf22c6d6017d5ee5 /gcc | |
| parent | 580ceef20e65cfc1303282e0d7d4377cb3f8f4d9 (diff) | |
| download | gcc-899bf2bfa597e9905a9f545e916ecfce3e11a73d.zip gcc-899bf2bfa597e9905a9f545e916ecfce3e11a73d.tar.gz gcc-899bf2bfa597e9905a9f545e916ecfce3e11a73d.tar.bz2 | |
cse.c (invalidate_from_clobbers): Delete unnecessary test for (clobber nil).
* cse.c (invalidate_from_clobbers): Delete unnecessary test for
(clobber nil).
From-SVN: r13618
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/cse.c | 16 |
1 files changed, 7 insertions, 9 deletions
@@ -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) { |