Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/vect/vect-avg-11.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 #define SIGNEDNESS unsigned #endif #ifndef BIAS #define BIAS 0 #endif void __attribute__ ((noipa)) f (SIGNEDNESS char *restrict a, SIGNEDNESS char *restrict b, SIGNEDNESS char *restrict c) { for (__INTPTR_TYPE__ i = 0; i < N; ++i) { int tmp = b[i]; tmp ^= 0x55; tmp += BIAS; tmp += c[i]; tmp >>= 1; tmp |= 0x40; a[i] = tmp; } } #define BASE1 ((SIGNEDNESS int) -1 < 0 ? -126 : 4) #define BASE2 ((SIGNEDNESS int) -1 < 0 ? -101 : 26) int main (void) { check_vect (); SIGNEDNESS char a[N], b[N], c[N]; for (int i = 0; i < N; ++i) { b[i] = BASE1 + i * 5; c[i] = BASE2 + i * 4; asm volatile ("" ::: "memory"); } f (a, b, c); for (int i = 0; i < N; ++i) if (a[i] != (((((BASE1 + i * 5) ^ 0x55) + (BASE2 + i * 4) + BIAS) >> 1) | 0x40)) __builtin_abort (); return 0; } /* { dg-final { scan-tree-dump "vect_recog_average_pattern: detected" "vect" } } */ /* { dg-final { scan-tree-dump {\.AVG_FLOOR} "vect" { target vect_avg_qi } } } */ /* { dg-final { scan-tree-dump-not {vector\([^\n]*short} "vect" { target vect_avg_qi } } } */ /* { dg-final { scan-tree-dump-times "vectorized 1 loop" 1 "vect" { target vect_avg_qi } } } */