diff options
Diffstat (limited to 'amd64/emit.c')
| -rw-r--r-- | amd64/emit.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/amd64/emit.c b/amd64/emit.c index 8f36188..a8cd0de 100644 --- a/amd64/emit.c +++ b/amd64/emit.c @@ -612,6 +612,7 @@ amd64_emitfn(Fn *fn, FILE *f) Blk *b, *s; Ins *i, itmp; int *r, c, o, n, lbl; + uint p; E *e; e = &(E){.f = f, .fn = fn}; @@ -640,8 +641,14 @@ amd64_emitfn(Fn *fn, FILE *f) } for (lbl=0, b=fn->start; b; b=b->link) { - if (lbl || b->npred > 1) + if (lbl || b->npred > 1) { + for (p=0; p<b->npred; p++) + if (b->pred[p]->id >= b->id) + break; + if (p != b->npred) + fprintf(f, ".p2align 4\n"); fprintf(f, "%sbb%d:\n", T.asloc, id0+b->id); + } for (i=b->ins; i!=&b->ins[b->nins]; i++) emitins(*i, e); lbl = 1; |