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author | Ben Cheng <bccheng@google.com> | 2013-03-28 11:14:20 -0700 |
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committer | Ben Cheng <bccheng@google.com> | 2013-03-28 12:40:33 -0700 |
commit | af0c51ac87ab2a87caa03fa108f0d164987a2764 (patch) | |
tree | 4b8b470f7c5b69642fdab8d0aa1fbc148d02196b /gcc-4.8/gcc/testsuite/gcc.target/i386/bmi2-pdep64-1.c | |
parent | d87cae247d39ebf4f5a6bf25c932a14d2fdb9384 (diff) | |
download | toolchain_gcc-af0c51ac87ab2a87caa03fa108f0d164987a2764.tar.gz toolchain_gcc-af0c51ac87ab2a87caa03fa108f0d164987a2764.tar.bz2 toolchain_gcc-af0c51ac87ab2a87caa03fa108f0d164987a2764.zip |
[GCC 4.8] Initial check-in of GCC 4.8.0
Change-Id: I0719d8a6d0f69b367a6ab6f10eb75622dbf12771
Diffstat (limited to 'gcc-4.8/gcc/testsuite/gcc.target/i386/bmi2-pdep64-1.c')
-rw-r--r-- | gcc-4.8/gcc/testsuite/gcc.target/i386/bmi2-pdep64-1.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/gcc-4.8/gcc/testsuite/gcc.target/i386/bmi2-pdep64-1.c b/gcc-4.8/gcc/testsuite/gcc.target/i386/bmi2-pdep64-1.c new file mode 100644 index 000000000..f718b2f35 --- /dev/null +++ b/gcc-4.8/gcc/testsuite/gcc.target/i386/bmi2-pdep64-1.c @@ -0,0 +1,38 @@ +/* { dg-do run { target { bmi2 && { ! ia32 } } } } */ +/* { dg-options "-mbmi2 -O2" } */ + +#include <x86intrin.h> +#include "bmi2-check.h" + +__attribute__((noinline)) +unsigned long long +calc_pdep_u64 (unsigned long long a, unsigned long long mask) +{ + unsigned long long res = 0; + unsigned long long i, k = 0; + + for (i = 0; i < 64; ++i) + if (mask & (1LL << i)) { + res |= ((a & (1LL << k)) >> k) << i; + ++k; + } + return res; +} + +static void +bmi2_test () +{ + unsigned long long i; + unsigned long long src = 0xce7acce7acce7ac; + unsigned long long res, res_ref; + + for (i = 0; i < 5; ++i) { + src = src * (i + 1); + + res_ref = calc_pdep_u64 (src, ~(i * 3)); + res = _pdep_u64 (src, ~(i * 3)); + + if (res != res_ref) + abort(); + } +} |