| /* Test that the compiler properly optimizes vector 32-bit integer point |
| multiply and add instructions vector into pmacsdd on SSE5 systems. */ |
| |
| /* { dg-do compile } */ |
| /* { dg-require-effective-target lp64 } */ |
| /* { dg-options "-O2 -msse5 -ftree-vectorize" } */ |
| |
| extern void exit (int); |
| |
| typedef long long __m128i __attribute__ ((__vector_size__ (16), __may_alias__)); |
| |
| #define SIZE 10240 |
| |
| union { |
| __m128i align; |
| int i[SIZE]; |
| } a, b, c, d; |
| |
| void |
| int_mul_add (void) |
| { |
| int i; |
| |
| for (i = 0; i < SIZE; i++) |
| a.i[i] = (b.i[i] * c.i[i]) + d.i[i]; |
| } |
| |
| int main () |
| { |
| int_mul_add (); |
| exit (0); |
| } |
| |
| /* { dg-final { scan-assembler "pmacsdd" } } */ |
