diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.target/i386/bmi2-shlx32-1.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.target/i386/bmi2-shlx32-1.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/bmi2-shlx32-1.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/bmi2-shlx32-1.c new file mode 100644 index 000000000..0bf970282 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/bmi2-shlx32-1.c @@ -0,0 +1,34 @@ +/* { dg-do run { target { bmi2 } } } */ +/* { dg-options "-mbmi2 -O2 -dp" } */ + +#include "bmi2-check.h" + +__attribute__((noinline)) +int +calc_shlx_u32 (int a, int l) +{ + int volatile res = a; + int i; + for (i = 0; i < l; ++i) + res <<= 1; + + return res; +} + +static void +bmi2_test () +{ + unsigned i; + int src = 0xfce7ace0; + int res, res_ref; + + for (i = 0; i < 5; ++i) { + src = src * (i + 1); + + res_ref = calc_shlx_u32 (src, i + 1); + res = src << (i + 1); + + if (res != res_ref) + abort(); + } +} |