| /* { dg-require-effective-target vect_int } */ |
| /* { dg-require-effective-target vect_shift } */ |
| |
| #include <stdarg.h> |
| #include "tree-vect.h" |
| |
| #define N VECTOR_BITS |
| |
| /* Modified rgb to rgb conversion from FFmpeg. */ |
| __attribute__ ((noinline)) void |
| foo (unsigned char *src, unsigned char *dst) |
| { |
| unsigned char *s = src; |
| unsigned short *d = (unsigned short *)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&0xFFC)<<3) | ((r+0xF8)>>8) | (a<<9)); |
| 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++; |
| unsigned short expected |
| = ((b>>3) | ((g&0xFFC)<<3) | ((r+0xF8)>>8) | (a<<9)); |
| if (*d != expected) |
| 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; |
| } |
| |
| /* { dg-final { scan-tree-dump {vect_recog_over_widening_pattern: detected:[^\n]* << 3} "vect" } } */ |
| /* { dg-final { scan-tree-dump {vect_recog_over_widening_pattern: detected:[^\n]* >> 3} "vect" } } */ |
| /* { dg-final { scan-tree-dump {vect_recog_over_widening_pattern: detected:[^\n]* >> 8} "vect" } } */ |
| /* { dg-final { scan-tree-dump {vect_recog_over_widening_pattern: detected:[^\n]* << 9} "vect" } } */ |
| /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */ |
| |