Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/vect/vect-over-widen-4-big-array.c @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
parents | |
children | 84e7813d76e9 |
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/* { dg-require-effective-target vect_int } */ /* { dg-require-effective-target vect_shift } */ #include <stdarg.h> #include "tree-vect.h" #define N 512 /* Modified rgb to rgb conversion from FFmpeg. */ __attribute__ ((noinline)) int foo (unsigned char *src, unsigned char *dst) { unsigned char *s = src; unsigned short *d = (unsigned short *)dst, res; int i, result = 0; for (i = 0; i < N/4; i++) { const int b = *s++; const int g = *s++; const int r = *s++; const int a = *s++; res = ((b>>3) | ((g&0xFC)<<3) | ((r&0xF8)<<8) | (a>>5)); *d = res; result += res; d++; } s = src; d = (unsigned short *)dst; for (i = 0; i < N/4; i++) { const int b = *s++; const int g = *s++; const int r = *s++; const int a = *s++; if (*d != ((b>>3) | ((g&0xFC)<<3) | ((r&0xF8)<<8) | (a>>5))) abort (); d++; } return result; } int main (void) { int i; unsigned char in[N], out[N]; check_vect (); for (i = 0; i < N; i++) { in[i] = i; out[i] = 255; __asm__ volatile (""); } foo (in, out); return 0; } /* { dg-final { scan-tree-dump-times "vect_recog_widen_shift_pattern: detected" 2 "vect" { target vect_widen_shift } } } */ /* { dg-final { scan-tree-dump-times "vect_recog_over_widening_pattern: detected" 2 "vect" { target vect_widen_shift } } } */ /* { dg-final { scan-tree-dump-times "vect_recog_over_widening_pattern: detected" 4 "vect" { target { ! vect_widen_shift } } } } */ /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */