diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/i386/xop-imul64-vector.c')
-rw-r--r-- | gcc/testsuite/gcc.target/i386/xop-imul64-vector.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/xop-imul64-vector.c b/gcc/testsuite/gcc.target/i386/xop-imul64-vector.c new file mode 100644 index 000000000..382677e60 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/xop-imul64-vector.c @@ -0,0 +1,36 @@ +/* Test that the compiler properly optimizes floating point multiply and add + instructions vector into pmacsdd/etc. on XOP systems. */ + +/* { dg-do compile } */ +/* { dg-require-effective-target lp64 } */ +/* { dg-options "-O2 -mxop -ftree-vectorize" } */ + +extern void exit (int); + +typedef long __m128i __attribute__ ((__vector_size__ (16), __may_alias__)); + +#define SIZE 10240 + +union { + __m128i i_align; + long i64[SIZE]; +} a, b, c, d; + +void +imul64 (void) +{ + int i; + + for (i = 0; i < SIZE; i++) + a.i64[i] = b.i64[i] * c.i64[i]; +} + +int main () +{ + imul64 (); + exit (0); +} + +/* { dg-final { scan-assembler "vpmulld" } } */ +/* { dg-final { scan-assembler "vphadddq" } } */ +/* { dg-final { scan-assembler "vpmacsdql" } } */ |