| /* Check that eliminable compare-instructions are eliminated. */ | |
| /* { dg-do compile } */ | |
| /* { dg-options "-O2" } */ | |
| /* { dg-final { scan-assembler-not "\tcmp|\ttest" } } */ | |
| /* { dg-final { scan-assembler "\tlsr|\tsmi" } } */ | |
| /* Regarding the "lsr", see pr93372-2.c; we get a shift for the | |
| sign-bit. For "<", that's equally optimal to smi; we just want this | |
| test to be different with the "<" instead of ">=". */ | |
| int f(int a, int b, int *d) | |
| { | |
| int c = a + b; | |
| *d = (c == 0); | |
| return c < 0; | |
| } |