Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/vect/vect-reduc-pattern-1b-big-array.c @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 1830386684a0 |
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/* Disabling epilogues until we find a better way to deal with scans. */ /* { dg-additional-options "--param vect-epilogues-nomask=0" } */ /* { dg-require-effective-target vect_int } */ #include <stdarg.h> #include "tree-vect.h" #define N 128 unsigned char udata_ch[N]; #define SUM N*(N-1) __attribute__ ((noinline)) int foo () { int i; unsigned int intsum = 0; for (i = 0; i < N; i++) { udata_ch[i] = i*2; asm volatile ("" ::: "memory"); } /* widenning sum: sum chars into int. */ for (i = 0; i < N; i++) { intsum += udata_ch[i]; } /* check results: */ if (intsum != SUM) abort (); return 0; } int main (void) { check_vect (); return foo (); } /* { dg-final { scan-tree-dump-times "vect_recog_widen_sum_pattern: detected" 1 "vect" } } */ /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target { vect_widen_sum_qi_to_si || vect_unpack } } } } */ /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 0 "vect" { target { { ! vect_widen_sum_qi_to_si } && { ! vect_unpack } } } } } */