Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/vect/vect-widen-mult-1.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
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/* { dg-require-effective-target vect_int } */ #include "tree-vect.h" #define N 50 #ifndef SIGNEDNESS_1 #define SIGNEDNESS_1 unsigned #define SIGNEDNESS_2 signed #endif void __attribute__ ((noipa)) f (SIGNEDNESS_1 short *restrict a, SIGNEDNESS_2 char *restrict b, SIGNEDNESS_2 char *restrict c) { for (__INTPTR_TYPE__ i = 0; i < N; ++i) { int bv = (SIGNEDNESS_2 char) b[i]; int cv = (SIGNEDNESS_2 char) c[i]; a[i] = bv * cv; } } #define BASE ((SIGNEDNESS_2 int) -1 < 0 ? -126 : 4) #define OFFSET 20 int main (void) { check_vect (); SIGNEDNESS_1 short a[N]; SIGNEDNESS_2 char b[N], c[N]; for (int i = 0; i < N; ++i) { b[i] = BASE + i * 5; c[i] = BASE + OFFSET + i * 4; asm volatile ("" ::: "memory"); } f (a, b, c); for (int i = 0; i < N; ++i) if (a[i] != (SIGNEDNESS_1 short) ((BASE + i * 5) * (BASE + OFFSET + i * 4))) __builtin_abort (); } /* { dg-final { scan-tree-dump "vect_recog_widen_mult_pattern: detected" "vect" } } */ /* { dg-final { scan-tree-dump-times "vectorized 1 loop" 1 "vect" { target vect_widen_mult_qi_to_hi } } } */