Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/vect/slp-9.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-require-effective-target vect_int } */ /* { dg-additional-options "-fno-early-inlining" } */ #include <stdarg.h> #include "tree-vect.h" #define N 64 short X[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))); short Y[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))); int result[N]; /* short->int widening-mult */ int foo1(int len) { int i; for (i=0; i<len/2; i++) { result[2*i] = X[2*i] * Y[2*i]; result[2*i+1] = X[2*i+1] * Y[2*i+1]; } } int main (void) { int i; check_vect (); for (i=0; i<N; i++) { X[i] = i; Y[i] = 64-i; __asm__ volatile (""); } foo1 (N); for (i=0; i<N; i++) { if (result[i] != X[i] * Y[i]) abort (); } return 0; } /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_widen_mult_hi_to_si } } }*/ /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect" { target vect_widen_mult_hi_to_si } } } */