Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/loop-unswitch-3.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
line wrap: on
line source
/* { dg-do compile } */ /* { dg-options "-O2 -funswitch-loops -fdump-tree-unswitch-details" } */ #include <stdlib.h> #define N 32 float *foo(int ustride, int size, float *src) { float *buffer, *p; int i, k; if (!src) return NULL; buffer = (float *) malloc(N * size * sizeof(float)); if(buffer) for(i=0, p=buffer; i<N; i++, src+=ustride) for(k=0; k<size; k++) *p++ = src[k]; return buffer; } /* { dg-final { scan-tree-dump-times "guard hoisted" 1 "unswitch" } } */ /* { dg-final { scan-tree-dump-not "Invalid sum" "unswitch" } } */