diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.target/powerpc/swaps-p8-3.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.target/powerpc/swaps-p8-3.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/powerpc/swaps-p8-3.c b/gcc-4.9/gcc/testsuite/gcc.target/powerpc/swaps-p8-3.c new file mode 100644 index 000000000..35dacd4b5 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.target/powerpc/swaps-p8-3.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-not "xxpermdi" } } */ + +void abort (); + +#define N 4096 +signed char ca[N] __attribute__((aligned(16))); +signed char cb[N] __attribute__((aligned(16))); +signed char cc[N] __attribute__((aligned(16))); + +__attribute__((noinline)) void foo () +{ + int i; + for (i = 0; i < N; i++) { + ca[i] = cb[i] - cc[i]; + } +} + +__attribute__((noinline)) void init () +{ + int i, ii; + for (i = 0, ii = 0; i < N; ++i, ii = (ii + 1) % 128) { + cb[i] = ii - 128; + cc[i] = ii/2 - 64; + } +} + +int main () +{ + int i, ii; + init (); + foo (); + for (i = 0; i < N; ++i) { + ii = i % 128; + if (ca[i] != ii - ii/2 - 64) + abort (); + } + return 0; +} |