diff options
| 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/bmi2-shrx32-1.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/bmi2-shrx32-1.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.target/i386/bmi2-shrx32-1.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/bmi2-shrx32-1.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/bmi2-shrx32-1.c new file mode 100644 index 000000000..2d2ec155e --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/bmi2-shrx32-1.c @@ -0,0 +1,34 @@ +/* { dg-do run { target { bmi2 } } } */ +/* { dg-options "-mbmi2 -O2 -dp" } */ + +#include "bmi2-check.h" + +__attribute__((noinline)) +unsigned +calc_shrx_u32 (unsigned a, int l) +{ + unsigned volatile res = a; + int i; + for (i = 0; i < l; ++i) + res >>= 1; + + return res; +} + +static void +bmi2_test () +{ + unsigned i; + unsigned src = 0xce7ace0; + unsigned res, res_ref; + + for (i = 0; i < 5; ++i) { + src = src * (i + 1); + + res_ref = calc_shrx_u32 (src, i + 1); + res = src >> (i + 1); + + if (res != res_ref) + abort(); + } +} |