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| author | uros <uros@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-11-10 09:08:15 +0000 |
|---|---|---|
| committer | uros <uros@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-11-10 09:08:15 +0000 |
| commit | 6d5136ab93e49e71d0d62cdfddd297e46dd20c19 (patch) | |
| tree | f53c161297245fe4c06c693cc1f4ccf690cedb88 /gcc/combine.c | |
| parent | d5c72b1fbd239900acb88e205c798eea582ab6e6 (diff) | |
| download | gcc-6d5136ab93e49e71d0d62cdfddd297e46dd20c19.tar.gz | |
PR middle-end/37807
PR middle-end/37809
* combine.c (force_to_mode): Do not process vector types.
* rtlanal.c (nonzero_bits1): Do not process vector types.
(num_sign_bit_copies1): Likewise.
testsuite/ChangeLog
PR middle-end/37807
PR middle-end/37809
* gcc/testsuite/gcc.target/i386/mmx-8.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@141732 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/combine.c')
| -rw-r--r-- | gcc/combine.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/combine.c b/gcc/combine.c index e76049a49ef..b8a43356b46 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -7323,6 +7323,10 @@ force_to_mode (rtx x, enum machine_mode mode, unsigned HOST_WIDE_INT mask, && (GET_MODE_MASK (GET_MODE (x)) & ~mask) == 0) return gen_lowpart (mode, x); + /* The arithmetic simplifications here do the wrong thing on vector modes. */ + if (VECTOR_MODE_P (mode) || VECTOR_MODE_P (GET_MODE (x))) + return gen_lowpart (mode, x); + switch (code) { case CLOBBER: |