| /* { dg-do compile } */ |
| /* { dg-additional-options "-fdump-tree-slp-details" } */ |
| |
| #define N 4 |
| |
| int s1[N], s2[N], s3[N]; |
| void escape(int, int, int, int); |
| |
| void |
| foo () |
| { |
| int t1, t2, t3, t4; |
| |
| t1 = s1[0] + s2[0] + s3[0]; |
| t2 = s1[1] + s2[1] + s3[1]; |
| t3 = s1[2] + s2[2] + s3[2]; |
| t4 = s1[3] + s2[3] + s3[3]; |
| |
| s3[0] = t1 - s1[0] * s2[0]; |
| s3[1] = t2 - s1[1] * s2[1]; |
| s3[2] = t3 - s1[2] * s2[2]; |
| s3[3] = t4 - s1[3] * s2[3]; |
| |
| escape (t1, t2, t3, t4); |
| } |
| |
| /* { dg-final { scan-tree-dump-not "vectorization is not profitable" "slp2" } } */ |
| /* { dg-final { scan-tree-dump "optimized: basic block" "slp2" } } */ |
