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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.dg/] [vect/] [vect-over-widen-2.c] - Rev 689
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/* { dg-require-effective-target vect_int } */ /* { dg-require-effective-target vect_shift } */ #include <stdlib.h> #include <stdarg.h> #include "tree-vect.h" #define N 64 /* Modified rgb to rgb conversion from FFmpeg. */ __attribute__ ((noinline)) void foo (unsigned char *src, unsigned char *dst) { unsigned char *s = src; int *d = (int *)dst; int i; for (i = 0; i < N/4; i++) { const int b = *s++; const int g = *s++; const int r = *s++; const int a = *s++; *d = ((b>>3) | ((g&0xFC)<<3) | ((r&0xF8)<<8) | (a>>5)); d++; } s = src; d = (int *)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++; } } 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; } /* Final value stays in int, so no over-widening is detected at the moment. */ /* { dg-final { scan-tree-dump-times "vect_recog_over_widening_pattern: detected" 0 "vect" } } */ /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */ /* { dg-final { cleanup-tree-dump "vect" } } */