diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.target/powerpc/swaps-p8-14.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.target/powerpc/swaps-p8-14.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/powerpc/swaps-p8-14.c b/gcc-4.9/gcc/testsuite/gcc.target/powerpc/swaps-p8-14.c new file mode 100644 index 000000000..7ca6ad5cc --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.target/powerpc/swaps-p8-14.c @@ -0,0 +1,43 @@ +/* { dg-do compile { target { powerpc64le-*-* } } } */ +/* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power8" } } */ +/* { dg-options "-mcpu=power8 -O3" } */ +/* { dg-final { scan-assembler "lxvd2x" } } */ +/* { dg-final { scan-assembler "stxvd2x" } } */ +/* { dg-final { scan-assembler "stxsdx" } } */ +/* { dg-final { scan-assembler-times "xxpermdi" 1 } } */ + +/* The only xxpermdi expected is for the vec_splats. */ + +#include <altivec.h> +void abort (); + +#define N 4096 +long long ca[N] __attribute__((aligned(16))); +long long cb[N] __attribute__((aligned(16))); +long long cc[N] __attribute__((aligned(16))); +long long cd[N] __attribute__((aligned(16))); +long long x; + +__attribute__((noinline)) void foo () +{ + int i; + vector long long va, vb, vc, vd, tmp; + volatile unsigned long long three = 3; + vector unsigned long long threes = vec_splats (three); + for (i = 0; i < N; i+=2) { + vb = vec_vsx_ld (0, (vector long long *)&cb[i]); + vc = vec_vsx_ld (0, (vector long long *)&cc[i]); + vd = vec_vsx_ld (0, (vector long long *)&cd[i]); + tmp = vec_add (vb, vc); + tmp = vec_sub (tmp, vd); + tmp = vec_sra (tmp, threes); + x = vec_extract (tmp, 0); + vec_vsx_st (tmp, 0, (vector long long *)&ca[i]); + } +} + +int main () +{ + foo (); + return 0; +} |