| /* { 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 IOR. |
| |
| 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-*-* } } } } */ |
