Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/vect/slp-perm-8.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-require-effective-target vect_int } */ #include <stdarg.h> #include "tree-vect.h" #if VECTOR_BITS > 512 #define N (VECTOR_BITS * 6 / 16) #else #define N 200 #endif void __attribute__((noinline)) foo (unsigned char *__restrict__ pInput, unsigned char *__restrict__ pOutput) { unsigned char a, b, c; unsigned int i; for (i = 0; i < N / 3; i++) { a = *pInput++; b = *pInput++; c = *pInput++; *pOutput++ = a + b + c + 3; *pOutput++ = a + b + c + 12; *pOutput++ = a + b + c + 1; } } int main (int argc, const char* argv[]) { unsigned char input[N], output[N]; unsigned char check_results[N]; unsigned int i; check_vect (); for (i = 0; i < N; i++) { input[i] = i; output[i] = 0; __asm__ volatile (""); } for (i = 0; i < N / 3; i++) { check_results[3*i] = 9 * i + 6; check_results[3*i+1] = 9 * i + 15; check_results[3*i+2] = 9 * i + 4; __asm__ volatile ("" : : : "memory"); } foo (input, output); for (i = 0; i < N - (N % 3); i++) if (output[i] != check_results[i]) abort (); return 0; } /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target { vect_perm_byte } } } } */ /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect" { target { vect_perm3_byte && { ! vect_load_lanes } } } } } */ /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 0 "vect" { target vect_load_lanes } } } */ /* { dg-final { scan-tree-dump "Built SLP cancelled: can use load/store-lanes" "vect" { target { vect_perm3_byte && vect_load_lanes } } } } */ /* { dg-final { scan-tree-dump "LOAD_LANES" "vect" { target vect_load_lanes } } } */ /* { dg-final { scan-tree-dump "STORE_LANES" "vect" { target vect_load_lanes } } } */