diff options
Diffstat (limited to 'amd64/isel.c')
| -rw-r--r-- | amd64/isel.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/amd64/isel.c b/amd64/isel.c index a562441..8c89378 100644 --- a/amd64/isel.c +++ b/amd64/isel.c @@ -63,7 +63,8 @@ fixarg(Ref *r, int k, Ins *i, Fn *fn) { char buf[32]; Addr a, *m; - Ref r0, r1; + Con cc, *c; + Ref r0, r1, r2, r3; int s, n, op; r1 = r0 = *r; @@ -121,6 +122,28 @@ fixarg(Ref *r, int k, Ins *i, Fn *fn) m->offset.type = CUndef; m->base = r0; } + } else if (T.apple && rtype(r0) == RCon + && (c = &fn->con[r0.val])->type == CAddr + && c->reloc == RelThr) { + r1 = newtmp("isel", Kl, fn); + if (c->bits.i) { + r2 = newtmp("isel", Kl, fn); + cc = (Con){.type = CBits}; + cc.bits.i = c->bits.i; + r3 = newcon(&cc, fn); + emit(Oadd, Kl, r1, r2, r3); + } else + r2 = r1; + emit(Ocopy, Kl, r2, TMP(RAX), R); + r2 = newtmp("isel", Kl, fn); + r3 = newtmp("isel", Kl, fn); + emit(Ocall, 0, R, r3, CALL(17)); + emit(Ocopy, Kl, TMP(RDI), r2, R); + emit(Oload, Kl, r3, r2, R); + cc = *c; + cc.bits.i = 0; + r3 = newcon(&cc, fn); + emit(Oload, Kl, r2, r3, R); } *r = r1; } |