Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/vect/no-scevccp-vect-iv-3.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children | 1830386684a0 |
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/* { dg-do compile } */ /* { dg-require-effective-target vect_int } */ #include <stdarg.h> #include "tree-vect.h" #if VECTOR_BITS > 256 #define N (VECTOR_BITS / 16 + 10) #else #define N 26 #endif __attribute__ ((noinline)) unsigned int main1 () { unsigned short i; unsigned int intsum = 0; /* vectorization of reduction with induction, and widenning sum: sum shorts into int. Need -fno-tree-scev-cprop or else the loop is eliminated. */ for (i = 0; i < N; i++) { intsum += i; } return intsum; } /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_widen_sum_hi_to_si } } } */ /* { dg-final { scan-tree-dump-times "vect_recog_widen_sum_pattern: detected" 1 "vect" { target vect_widen_sum_hi_to_si } } } */