diff options
Diffstat (limited to 'amd64/emit.c')
| -rw-r--r-- | amd64/emit.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/amd64/emit.c b/amd64/emit.c index 6cf37ec..7290a80 100644 --- a/amd64/emit.c +++ b/amd64/emit.c @@ -576,6 +576,43 @@ emitins(Ins i, E *e) case Odbgloc: emitdbgloc(i.arg[0].val, i.arg[1].val, e->f); break; + case Oxselieq: + case Oxseline: + case Oxselisge: + case Oxselisgt: + case Oxselisle: + case Oxselislt: + case Oxseliuge: + case Oxseliugt: + case Oxseliule: + case Oxseliult: + case Oxselfeq: + case Oxselfge: + case Oxselfgt: + case Oxselfle: + case Oxselflt: + case Oxselfne: + case Oxselfo: + case Oxselfuo: + { + // TODO - how to do this "properly"? + static char *F0[] = { + "z", "nz", "ge", "g", "le", "l", "ae", "a", "be", "b", + "nz", "ae", "a", "be", "b", "nz", "p", "np" + }; + static char *F1[] = { + "nz", "z", "l", "le", "g", "ge", "b", "be", "a", "ae", + "z", "b", "be", "a", "ae", "z", "p", "np" + }; + char ins[16]; + sprintf(ins, "cmov%s %%1, %%=", F1[i.op-Oxselieq]); + if (req(i.to, i.arg[1])) + sprintf(ins, "cmov%s %%0, %%=", F0[i.op-Oxselieq]); + else if (!req(i.to, i.arg[0])) + emitf("mov %0, %=", &i, e); + emitf(ins, &i, e); + break; + } } } |