Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/vect/vect-widen-mult-u16.c @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | 04ced10e8804 |
children |
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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 64 unsigned short X[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))); unsigned short Y[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))); unsigned int result[N]; /* unsigned short->unsigned int widening-mult. */ __attribute__ ((noinline)) int foo1(int len) { int i; for (i=0; i<len; i++) { result[i] = (unsigned int)(X[i] * Y[i]); } } 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 || vect_unpack } } } } */ /* { dg-final { scan-tree-dump-times "vect_recog_widen_mult_pattern: detected" 1 "vect" { target vect_widen_mult_hi_to_si_pattern } } } */ /* { dg-final { scan-tree-dump-times "pattern recognized" 1 "vect" { target vect_widen_mult_hi_to_si_pattern } } } */