| /* { dg-do compile } */ |
| /* { dg-require-effective-target avx512f } */ |
| /* { dg-options "-O2 -mavx512f -ffast-math -fdump-tree-reassoc1" } */ |
| |
| /* To test reassoc can undistribute vector bit_field_ref on multiple |
| vector machine modes. |
| |
| v1, v2 of type vector 4 x float |
| v3, v4 of type vector 8 x float |
| v5, v6 of type vector 16 x 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] + |
| v3[4] + v3[5] + v3[6] + v3[7] + |
| v4[0] + v4[1] + v4[2] + v4[3] + |
| v4[4] + v4[5] + v4[6] + v4[7] + |
| v5[0] + v5[1] + v5[2] + v5[3] + |
| v5[4] + v5[5] + v5[6] + v5[7] + |
| v5[8] + v5[9] + v5[10] + v5[11] + |
| v5[12] + v5[13] + v5[14] + v5[15] + |
| v6[0] + v6[1] + v6[2] + v6[3] + |
| v6[4] + v6[5] + v6[6] + v6[7] + |
| v6[8] + v6[9] + v6[10] + v6[11] + |
| v6[12] + v6[13] + v6[14] + v6[15] ; |
| |
| into: |
| |
| T12 = v1 + v2; |
| T34 = v3 + v4; |
| T56 = v5 + v6; |
| accumulator += T12[0] + T12[1] + T12[2] + T12[3] + |
| accumulator += T34[0] + T34[1] + T34[2] + T34[3] + |
| accumulator += T34[4] + T34[5] + T34[6] + T34[7] + |
| accumulator += T56[0] + T56[1] + T56[2] + T56[3] + |
| accumulator += T56[4] + T56[5] + T56[6] + T56[7] + |
| accumulator += T56[8] + T56[9] + T56[10] + T56[11] + |
| accumulator += T56[12] + T56[13] + T56[14] + T56[15] ; */ |
| |
| typedef float v4sf __attribute__((vector_size(16))); |
| typedef float v8sf __attribute__((vector_size(32))); |
| typedef float v16sf __attribute__((vector_size(64))); |
| |
| float |
| test (float accumulator, v4sf v1, v4sf v2, v8sf v3, v8sf v4, v16sf v5, v16sf v6) |
| { |
| 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 += v3[4] + v3[5] + v3[6] + v3[7]; |
| accumulator += v4[0] + v4[1] + v4[2] + v4[3]; |
| accumulator += v4[4] + v4[5] + v4[6] + v4[7]; |
| accumulator += v5[0] + v5[1] + v5[2] + v5[3]; |
| accumulator += v5[4] + v5[5] + v5[6] + v5[7]; |
| accumulator += v5[8] + v5[9] + v5[10] + v5[11]; |
| accumulator += v5[12] + v5[13] + v5[14] + v5[15]; |
| accumulator += v6[0] + v6[1] + v6[2] + v6[3]; |
| accumulator += v6[4] + v6[5] + v6[6] + v6[7]; |
| accumulator += v6[8] + v6[9] + v6[10] + v6[11]; |
| accumulator += v6[12] + v6[13] + v6[14] + v6[15]; |
| return accumulator; |
| } |
| /* { dg-final { scan-tree-dump-times "BIT_FIELD_REF" 28 "reassoc1" } } */ |
