Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/vect/slp-34-big-array.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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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 64 unsigned short in[N*8]; unsigned short in2[N*8]; int main1 () { int i; unsigned short out[N*8]; unsigned short out2[N*8]; for (i = 0; i < N*8; i++) { in[i] = in2[i] = i; asm volatile ("" ::: "memory"); } /* SLP with unrolling by 8. */ for (i = 0; i < N; i++) { out[i*3] = in[i*3] + 5; out[i*3 + 1] = in[i*3 + 1] + 6; out[i*3 + 2] = in[i*3 + 2] + 16; out2[i*5] = in2[i*5] + 2; out2[i*5 + 1] = in2[i*5 + 1] + 2; out2[i*5 + 2] = in2[i*5 + 2] + 1; out2[i*5 + 3] = in2[i*5 + 3] + 3; out2[i*5 + 4] = in2[i*5 + 4] + 13; } /* check results: */ for (i = 0; i < N; i++) { if (out[i*3] != in[i*3] + 5 || out[i*3 + 1] != in[i*3 + 1] + 6 || out[i*3 + 2] != in[i*3 + 2] + 16 || out2[i*5] != in2[i*5] + 2 || out2[i*5 + 1] != in2[i*5 + 1] + 2 || out2[i*5 + 2] != in2[i*5 + 2] + 1 || out2[i*5 + 3] != in2[i*5 + 3] + 3 || out2[i*5 + 4] != in2[i*5 + 4] + 13) abort (); } return 0; } int main (void) { check_vect (); main1 (); return 0; } /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */ /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 2 "vect" } } */