| /* Check that compare-branch is inverted properly. | |
| Example: | |
| mov #1,r0 -> tst r8,r8 | |
| neg r8,r1 bt .L47 | |
| shad r1,r0 | |
| tst #1,r0 | |
| bf .L47 | |
| */ | |
| /* { dg-do compile } */ | |
| /* { dg-options "-O2" } */ | |
| /* { dg-final { scan-assembler-not "shad|neg" } } */ | |
| int test_01_00 (int*, void*); | |
| int | |
| test_01 (int* m, void* v) | |
| { | |
| unsigned long n = (unsigned long)v - 1; | |
| if (!n) | |
| return 50; | |
| if (1 & (1 << n)) /* if n == 0: 1 & (1 << 0) -> true */ | |
| return 60; | |
| else /* if n != 0: 1 & (1 << n) -> false */ | |
| return -8; | |
| } |