shithub: mc

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ref: 3942d40cb5532fe51ac97e5a15610d20a0691fa3
parent: faebdc376eb7d03cff18cc20d997d328f5fdd9b7
author: Ori Bernstein <ori@eigenstate.org>
date: Wed Jul 15 20:48:29 EDT 2015 

Remove janky return register crud for stack types.

    We don't return in a register. Why are we trying to
    pick one?


--- a/6/isel.c
+++ b/6/isel.c
@@ -478,15 +478,14 @@
     Loc *stkbump;        /* calculated stack offset */
     int argsz, argoff;
     size_t i, a;
+    Type *t;
 
     rsp = locphysreg(Rrsp);
-    if (tybase(exprtype(n))->type == Tyvoid) {
+    t = exprtype(n);
+    if (tybase(t)->type == Tyvoid || stacktype(t)) {
         retloc = NULL;
         ret = NULL;
-    } else if (stacktype(exprtype(n))) {
-        retloc = locphysreg(Rrax);
-        ret = locreg(ModeQ);
-    } else if (floattype(exprtype(n))) {
+    } else if (floattype(t)) {
         retloc = coreg(Rxmm0d, mode(n));
         ret = locreg(mode(n));
     } else {