Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/vect/pr65951.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" #define N 512 /* These multiplications should be vectorizable with additions when no vector shift is available. */ __attribute__ ((noinline)) void foo (int *arr) { for (int i = 0; i < N; i++) arr[i] *= 2; } __attribute__ ((noinline)) void foo2 (int *arr) { for (int i = 0; i < N; i++) arr[i] *= 4; } int main (void) { check_vect (); int data[N]; int i; for (i = 0; i < N; i++) { data[i] = i; __asm__ volatile (""); } foo (data); for (i = 0; i < N; i++) { if (data[i] / 2 != i) __builtin_abort (); __asm__ volatile (""); } for (i = 0; i < N; i++) { data[i] = i; __asm__ volatile (""); } foo2 (data); for (i = 0; i < N; i++) { if (data[i] / 4 != i) __builtin_abort (); __asm__ volatile (""); } return 0; } /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 2 "vect" } } */