qbe

commit a670758b8735e3e857e013e05da23bf005f3bade
parent 0aa9e83211e8568bc7d6e996da93184e9aff025d
Author: Quentin Carbonneaux <quentin.carbonneaux@yale.edu>
Date:   Fri, 13 Nov 2015 15:28:40 -0500

this is a buggy shortcut!

Diffstat:
M
lisc/spill.c
 | 
4
+++-

1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/lisc/spill.c b/lisc/spill.c
@@ -386,9 +386,10 @@ spill(Fn *fn)
 			j = opdesc[i->op].nmem;
 			j -= rtype(i->arg[0]) == RAMem;
 			j -= rtype(i->arg[1]) == RAMem;
-			for (m=0; t=i->arg[m].val, m<2; m++)
+			for (m=0; m<2; m++)
 				switch (rtype(i->arg[m])) {
 				case RAMem:
+					t = i->arg[m].val;
 					ma = &fn->mem[t & AMask];
 					if (rtype(ma->base) == RTmp) {
 						BSET(v, ma->base.val);
@@ -400,6 +401,7 @@ spill(Fn *fn)
 					}
 					break;
 				case RTmp:
+					t = i->arg[m].val;
 					lvarg[m] = BGET(v, t);
 					BSET(v, t);
 					if (j-- <= 0)