Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/vect/vect-reduc-or_2.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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/* Write a reduction loop to be reduced using vector shifts and folded. */ #include "tree-vect.h" #if VECTOR_BITS > 128 #define N (VECTOR_BITS / 8) #else #define N 16 #endif extern void abort(void); int main (unsigned char argc, char **argv) { unsigned char in[N] __attribute__((aligned(16))); unsigned char i = 0; unsigned char sum = 1; unsigned char expected = 1; check_vect (); for (i = 0; i < N; i++) { in[i] = (i + i + 1) & 0xfd; asm volatile ("" ::: "memory"); } for (i = 0; i < N; i++) { expected |= in[i]; asm volatile ("" ::: "memory"); } for (i = 0; i < N; i++) sum |= in[i]; if (sum != expected) { __builtin_printf("Failed %d\n", sum); abort(); } return 0; } /* { dg-final { scan-tree-dump "Reduce using vector shifts" "vect" { target { whole_vector_shift && { ! vect_logical_reduc } } } } } */ /* { dg-final { scan-tree-dump "Reduce using direct vector reduction" "vect" { target vect_logical_reduc } } } */