diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/pr51492.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/pr51492.c b/gcc/testsuite/gcc.target/i386/pr51492.c new file mode 100644 index 0000000..0892e0c --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr51492.c @@ -0,0 +1,19 @@ +/* PR target/51492 */ +/* { dg-do compile } */ +/* { dg-options "-O2 -ftree-vectorize -msse2" } */ + +#define SIZE 65536 +#define WSIZE 64 +unsigned short head[SIZE] __attribute__((aligned(64))); + +void +f(void) +{ + for (unsigned n = 0; n < SIZE; ++n) { + unsigned short m = head[n]; + head[n] = (unsigned short)(m >= WSIZE ? m-WSIZE : 0); + } +} + +/* { dg-final { scan-assembler "psubusw" } } */ +/* { dg-final { scan-assembler-not "paddw" } } */ |