diff options
Diffstat (limited to 'amd64')
| -rw-r--r-- | amd64/isel.c | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/amd64/isel.c b/amd64/isel.c index 214dbec..3d5d5a9 100644 --- a/amd64/isel.c +++ b/amd64/isel.c @@ -58,6 +58,21 @@ rslot(Ref r, Fn *fn) return fn->tmp[r.val].slot; } +static int +hascon(Ref r, Con **pc, Fn *fn) +{ + switch (rtype(r)) { + case RCon: + *pc = &fn->con[r.val]; + return 1; + case RMem: + *pc = &fn->mem[r.val].offset; + return 1; + default: + return 0; + } +} + static void fixarg(Ref *r, int k, Ins *i, Fn *fn) { @@ -100,9 +115,8 @@ fixarg(Ref *r, int k, Ins *i, Fn *fn) r1 = newtmp("isel", Kl, fn); emit(Oaddr, Kl, r1, SLOT(s), R); } - else if (T.apple && rtype(r0) == RCon - && (c = &fn->con[r0.val])->type == CAddr - && c->sym.type == SThr) { + else if (T.apple && hascon(r0, &c, fn) + && c->type == CAddr && c->sym.type == SThr) { r1 = newtmp("isel", Kl, fn); if (c->bits.i) { r2 = newtmp("isel", Kl, fn); @@ -122,6 +136,12 @@ fixarg(Ref *r, int k, Ins *i, Fn *fn) cc.bits.i = 0; r3 = newcon(&cc, fn); emit(Oload, Kl, r2, r3, R); + if (rtype(r0) == RMem) { + m = &fn->mem[r0.val]; + m->offset.type = CUndef; + m->base = r1; + r1 = r0; + } } else if (!(isstore(op) && r == &i->arg[1]) && !isload(op) && op != Ocall && rtype(r0) == RCon |