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| author | Uros Bizjak <ubizjak@gmail.com> | 2012-06-18 20:41:25 +0200 |
|---|---|---|
| committer | Uros Bizjak <uros@gcc.gnu.org> | 2012-06-18 20:41:25 +0200 |
| commit | b86da593bb01a9054602e8cb3560a47ca6adaccd (patch) | |
| tree | 3cb76a2296d20f62043b8ec120af1a01859f9630 /gcc/testsuite | |
| parent | 1a73c9e40658ef4a66940297ae0be7a66956389e (diff) | |
| download | gcc-b86da593bb01a9054602e8cb3560a47ca6adaccd.zip gcc-b86da593bb01a9054602e8cb3560a47ca6adaccd.tar.gz gcc-b86da593bb01a9054602e8cb3560a47ca6adaccd.tar.bz2 | |
re PR target/53712 (Does not combine unaligned load with _mm_cmpistri, redundant instruction at -O0)
PR target/53712
* config/i386/sse.md (*sse4_2_pcmpestr_unaligned): New.
(*sse4_2_pcmpistr_unaligned): New.
testsuite/ChangeLog:
PR target/53712
* gcc.target/i386/pr53712.c: New test.
From-SVN: r188753
Diffstat (limited to 'gcc/testsuite')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/pr53712.c | 13 |
2 files changed, 18 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 6dc143e..1deb816 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2012-06-18 Uros Bizjak <ubizjak@gmail.com> + + PR target/53712 + * gcc.target/i386/pr53712.c: New test. + 2012-06-18 Tobias Burnus <burnus@net-b.de> PR fortran/53692 diff --git a/gcc/testsuite/gcc.target/i386/pr53712.c b/gcc/testsuite/gcc.target/i386/pr53712.c new file mode 100644 index 0000000..5c47e20 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr53712.c @@ -0,0 +1,13 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -msse4.2" } */ + +typedef char v16qi __attribute__ ((__vector_size__ (16))); + +int test (const char *s1, const char *s2) +{ + v16qi s1chars = __builtin_ia32_loaddqu ((const char *) s2); + v16qi s2chars = __builtin_ia32_loaddqu ((const char *) s1); + return __builtin_ia32_pcmpistri128 (s1chars, s2chars, 0); +} + +/* { dg-final { scan-assembler-times "movdqu" 1 } } */ |