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| author | Maxim Kuvyrkov <maxim@codesourcery.com> | 2011-04-25 12:06:27 +0000 |
|---|---|---|
| committer | Maxim Kuvyrkov <mkuvyrkov@gcc.gnu.org> | 2011-04-25 12:06:27 +0000 |
| commit | 5157a881bba46a6cf7682eda323a00450b1f825f (patch) | |
| tree | 24ca0b2aaf649a8d86792f2412ab8e4266786b23 /gcc/combine.c | |
| parent | 0c289711f3e87d0024f8dfe63afad89a658b8b83 (diff) | |
| download | gcc-5157a881bba46a6cf7682eda323a00450b1f825f.zip gcc-5157a881bba46a6cf7682eda323a00450b1f825f.tar.gz gcc-5157a881bba46a6cf7682eda323a00450b1f825f.tar.bz2 | |
combine.c (combine_simplify_rtx): Avoid mis-simplifying conditionals for STORE_FLAG_VALUE==-1 case.
* combine.c (combine_simplify_rtx): Avoid mis-simplifying conditionals
for STORE_FLAG_VALUE==-1 case.
Co-Authored-By: Eric Botcazou <ebotcazou@adacore.com>
From-SVN: r172930
Diffstat (limited to 'gcc/combine.c')
| -rw-r--r-- | gcc/combine.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/combine.c b/gcc/combine.c index 240cd91..7bdbed4 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -5787,7 +5787,10 @@ combine_simplify_rtx (rtx x, enum machine_mode op0_mode, int in_dest, /* If STORE_FLAG_VALUE is -1, we have cases similar to those above. */ - if (STORE_FLAG_VALUE == -1 + if (in_cond) + ; + + else if (STORE_FLAG_VALUE == -1 && new_code == NE && GET_MODE_CLASS (mode) == MODE_INT && op1 == const0_rtx && (num_sign_bit_copies (op0, mode) |