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| author | Jakub Jelinek <jakub@redhat.com> | 2010-09-22 01:33:01 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2010-09-22 01:33:01 +0200 |
| commit | a82e045dea91ea5a78f65fcaf6422cf0ea034c26 (patch) | |
| tree | 457c240101a0da6f13c29e050b768f8e222d71c1 /gcc/simplify-rtx.c | |
| parent | 29a80ea6281e267cf93634a984b8a22b7559439a (diff) | |
| download | gcc-a82e045dea91ea5a78f65fcaf6422cf0ea034c26.zip gcc-a82e045dea91ea5a78f65fcaf6422cf0ea034c26.tar.gz gcc-a82e045dea91ea5a78f65fcaf6422cf0ea034c26.tar.bz2 | |
re PR rtl-optimization/45739 (static evaluation of SSE intrinsics (pxor))
PR rtl-optimization/45739
* simplify-rtx.c (simplify_binary_operation_1): Optimize even
vector mode | CONST0_RTX (mode) and ^ CONST0_RTX (mode).
* gcc.target/i386/pr45739.c: New test.
From-SVN: r164501
Diffstat (limited to 'gcc/simplify-rtx.c')
| -rw-r--r-- | gcc/simplify-rtx.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/gcc/simplify-rtx.c b/gcc/simplify-rtx.c index fb8ba39..122c45f 100644 --- a/gcc/simplify-rtx.c +++ b/gcc/simplify-rtx.c @@ -2260,7 +2260,7 @@ simplify_binary_operation_1 (enum rtx_code code, enum machine_mode mode, break; case IOR: - if (trueop1 == const0_rtx) + if (trueop1 == CONST0_RTX (mode)) return op0; if (CONST_INT_P (trueop1) && ((INTVAL (trueop1) & GET_MODE_MASK (mode)) @@ -2402,7 +2402,7 @@ simplify_binary_operation_1 (enum rtx_code code, enum machine_mode mode, break; case XOR: - if (trueop1 == const0_rtx) + if (trueop1 == CONST0_RTX (mode)) return op0; if (CONST_INT_P (trueop1) && ((INTVAL (trueop1) & GET_MODE_MASK (mode)) |