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| author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
|---|---|---|
| committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
| commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
| tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.target/i386/pr42589.c | |
| parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
| download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip | |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.target/i386/pr42589.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.target/i386/pr42589.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/pr42589.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/pr42589.c new file mode 100644 index 000000000..863372b56 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/pr42589.c @@ -0,0 +1,18 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target ia32 } */ +/* { dg-skip-if "" { i?86-*-* x86_64-*-* } { "-march=*" } { "-march=i486" } } */ +/* { dg-options "-O2 -march=i486" } */ + +void +foo (unsigned long long *p) +{ + unsigned long long tmp; + tmp = *p; + tmp = (tmp >> 32) | (tmp << 32); + tmp = (((tmp & 0xff00ff00ff00ff00ULL) >> 8) + | ((tmp & 71777214294589695ULL) << 8)); + *p = (((tmp & 0xffff0000ffff0000ULL) >> 16) + | ((tmp & 281470681808895ULL) << 16)); +} + +/* { dg-final { scan-assembler-times "bswap" 2 } } */ |