| # sh testcase for neg $rm, $rn -*- Asm -*- | |
| # mach: all | |
| # as: -isa=shcompact | |
| # ld: -m shelf32 | |
| .include "compact/testutils.inc" | |
| .macro signbit sign | |
| shlr16 r1 | |
| shlr8 r1 | |
| shlr r1 | |
| shlr r1 | |
| shlr r1 | |
| shlr r1 | |
| shlr r1 | |
| shlr r1 | |
| shlr r1 | |
| assert r1, \sign | |
| .endm | |
| start | |
| .global neg | |
| neg: | |
| mov #0, r0 | |
| neg r0, r1 | |
| signbit #0 | |
| mov #42, r0 | |
| neg r0, r1 | |
| signbit #1 | |
| mov #0, r0 | |
| or #25, r0 | |
| neg r0, r1 | |
| signbit #1 | |
| # neg(0) is 0. | |
| mov #0, r0 | |
| neg r0, r1 | |
| signbit #0 | |
| # neg(neg(x)) = x. | |
| mov #42, r0 | |
| neg r0, r1 | |
| signbit #1 | |
| mov #42, r0 | |
| neg r0, r2 | |
| neg r2, r1 | |
| signbit #0 | |
| okay: | |
| pass | |
| wrong: | |
| fail |