| /* PR rtl-optimization/46212 */ |
| /* { dg-do compile } */ |
| /* { dg-options "-O3 -funroll-loops" } */ |
| /* { dg-options "-O3 -funroll-loops -march=i386" { target { { i?86-*-* x86_64-*-* } && ia32 } } } */ |
| /* { dg-require-effective-target int32plus } */ |
| |
| static inline unsigned |
| foo (void *x) |
| { |
| unsigned y = *(volatile unsigned *) (x); |
| return (y >> 24) | ((y >> 8) & 0xff00) | ((y & 0xff00) << 8) | (y << 24); |
| } |
| |
| void |
| bar (void *x, void *y, int z) |
| { |
| unsigned c; |
| while (z--) |
| { |
| c = foo (y); |
| *(unsigned *) x = (c & 0xf80000) >> 9 | (c & 0xf800) >> 6 |
| | (c & 0xf8) >> 3 | (c & 0x80000000) >> 16; |
| } |
| } |
