Mercurial > hg > CbC > CbC_gcc
diff gcc/testsuite/gcc.dg/vect/vect-over-widen-4-big-array.c @ 111:04ced10e8804
gcc 7
author | kono |
---|---|
date | Fri, 27 Oct 2017 22:46:09 +0900 |
parents | |
children | 84e7813d76e9 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/testsuite/gcc.dg/vect/vect-over-widen-4-big-array.c Fri Oct 27 22:46:09 2017 +0900 @@ -0,0 +1,68 @@ +/* { 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" } } */ +