| /* { dg-do compile } */ |
| /* { dg-require-effective-target vect_float } */ |
| /* { 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 multiplication. |
| |
| v1, v2, v3, v4 of type vector float. |
| |
| 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 float v4sf __attribute__ ((vector_size (16))); |
| float |
| test (float accumulator, v4sf v1, v4sf v2, v4sf v3, v4sf 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-*-* } } } } */ |