| /* { dg-do compile } */ |
| /* { dg-require-effective-target vect_int } */ |
| /* { dg-require-effective-target powerpc_altivec_ok { target { powerpc*-*-* } } } */ |
| /* { dg-require-effective-target sse2 { target { i?86-*-* x86_64-*-* } } } */ |
| /* { dg-options "-O2 -ffast-math -fdump-tree-reassoc1" } */ |
| /* { dg-additional-options "-maltivec" { target { powerpc*-*-* } } } */ |
| /* { dg-additional-options "-msse2" { target { i?86-*-* x86_64-*-* } } } */ |
| |
| /* To test reassoc can undistribute vector bit_field_ref on bitwise XOR. |
| |
| v1, v2, v3, v4 of type vector int. |
| |
| reassoc transforms |
| |
| accumulator ^= v1[0] ^ v1[1] ^ v1[2] ^ v1[3] ^ |
| v2[0] ^ v2[1] ^ v2[2] ^ v2[3] ^ |
| v3[0] ^ v3[1] ^ v3[2] ^ v3[3] ^ |
| v4[0] ^ v4[1] ^ v4[2] ^ v4[3] ; |
| |
| into: |
| |
| T = v1 ^ v2 ^ v3 ^ v4; |
| accumulator ^= T[0] ^ T[1] ^ T[2] ^ T[3]; |
| |
| Fewer bit_field_refs, only four for 128 or more bits vector. */ |
| |
| typedef int v4si __attribute__ ((vector_size (16))); |
| int |
| test (int accumulator, v4si v1, v4si v2, v4si v3, v4si v4) |
| { |
| accumulator ^= v1[0] ^ v1[1] ^ v1[2] ^ v1[3]; |
| accumulator ^= v2[0] ^ v2[1] ^ v2[2] ^ v2[3]; |
| accumulator ^= v3[0] ^ v3[1] ^ v3[2] ^ v3[3]; |
| accumulator ^= v4[0] ^ v4[1] ^ v4[2] ^ v4[3]; |
| return accumulator; |
| } |
| /* { dg-final { scan-tree-dump-times "BIT_FIELD_REF" 4 "reassoc1" { target { powerpc*-*-* i?86-*-* x86_64-*-* } } } } */ |
