diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/powerpc/p9-lxvx-stxvx-1.c')
-rw-r--r-- | gcc/testsuite/gcc.target/powerpc/p9-lxvx-stxvx-1.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/powerpc/p9-lxvx-stxvx-1.c b/gcc/testsuite/gcc.target/powerpc/p9-lxvx-stxvx-1.c new file mode 100644 index 0000000..df25d55 --- /dev/null +++ b/gcc/testsuite/gcc.target/powerpc/p9-lxvx-stxvx-1.c @@ -0,0 +1,26 @@ +/* { dg-do compile { target { powerpc64le-*-* } } } */ +/* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power9" } } */ +/* { dg-options "-mcpu=power9 -O3" } */ +/* { dg-final { scan-assembler "lxvx" } } */ +/* { dg-final { scan-assembler "stxvx" } } */ +/* { dg-final { scan-assembler-not "lxvd2x" } } */ +/* { dg-final { scan-assembler-not "stxvd2x" } } */ +/* { dg-final { scan-assembler-not "xxpermdi" } } */ + +/* Verify P9 vector loads and stores are used rather than the + load-swap/swap-store workarounds for P8. */ +#define N 16 + +signed char ca[N] __attribute__((aligned(16))); +signed char cb[] __attribute__((aligned(16))) + = {8, 7, 6, 5, 4, 3, 2, 1, 0, -1, -2, -3, -4, -5, -6, -7}; +signed char cc[] __attribute__((aligned(16))) + = {1, 1, 2, 2, 3, 3, 2, 2, 1, 1, 0, 0, -1, -1, -2, -2}; + +__attribute__((noinline)) void foo () +{ + int i; + for (i = 0; i < N; i++) { + ca[i] = cb[i] - cc[i]; + } +} |