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| author | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-08-25 17:49:26 +0000 |
|---|---|---|
| committer | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-08-25 17:49:26 +0000 |
| commit | 4ec7d822a5fe04c7adcd56d58482c78239bb793f (patch) | |
| tree | 8a8acf4b9ce8ddbeb52fe565d42d09aae104ca03 /gcc/combine.c | |
| parent | 3f1e069fff517476f6150b172544a965e3d20dc6 (diff) | |
| download | gcc-4ec7d822a5fe04c7adcd56d58482c78239bb793f.tar.gz | |
PR rtl-optimization/45400
* combine.c (simplify_shift_const_1) <case SUBREG>: Only use
SUBREG_REG if both modes are of MODE_INT class.
* g++.dg/other/i386-8.C: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@163551 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/combine.c')
| -rw-r--r-- | gcc/combine.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/combine.c b/gcc/combine.c index 94e68392d98..acff54198e5 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -9858,7 +9858,9 @@ simplify_shift_const_1 (enum rtx_code code, enum machine_mode result_mode, > GET_MODE_SIZE (GET_MODE (varop))) && (unsigned int) ((GET_MODE_SIZE (GET_MODE (SUBREG_REG (varop))) + (UNITS_PER_WORD - 1)) / UNITS_PER_WORD) - == mode_words) + == mode_words + && GET_MODE_CLASS (GET_MODE (varop)) == MODE_INT + && GET_MODE_CLASS (GET_MODE (SUBREG_REG (varop))) == MODE_INT) { varop = SUBREG_REG (varop); if (GET_MODE_SIZE (GET_MODE (varop)) > GET_MODE_SIZE (mode)) |