| /* { dg-do compile } */ |
| /* Disable for vectorization using partial vectors since it would have only |
| one iteration left, consequently BB vectorization won't happen. */ |
| /* { dg-additional-options "-O3 --param=vect-partial-vector-usage=0" } */ |
| /* { dg-require-effective-target vect_unpack } */ |
| |
| #include "tree-vect.h" |
| |
| #if VECTOR_BITS > 512 |
| #define N (VECTOR_BITS * 10 / 16) |
| #else |
| #define N 320 |
| #endif |
| |
| void foo(unsigned *p1, unsigned short *p2) |
| { |
| int n; |
| for (n = 0; n < N; n++) |
| p1[n] = p2[n * 2]; |
| } |
| |
| /* Disable for SVE because for long or variable-length vectors we don't |
| get an unrolled epilogue loop. Also disable for AArch64 Advanced SIMD, |
| because there we can vectorize the epilogue using mixed vector sizes. |
| Likewise for AMD GCN. */ |
| /* { dg-final { scan-tree-dump "BB vectorization with gaps at the end of a load is not supported" "slp1" { target { { ! aarch64*-*-* } && { ! amdgcn*-*-* } } } } } */ |
