qbe

commit dba612623fcd5c58569ef8ac32085e8aacaef435
parent d673d8fcd2fd479d8cf0a1f6df99686963be73fb
Author: Quentin Carbonneaux <quentin.carbonneaux@yale.edu>
Date:   Wed,  5 Aug 2015 16:08:23 -0400

fix limit bug in spill

I think this was not a big issue because the register
allocator does not consume a register when it encounters
obviously dead code.

Diffstat:
M
lisc/spill.c
 | 
2
+-

1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lisc/spill.c b/lisc/spill.c
@@ -357,7 +357,7 @@ spill(Fn *fn)
 				if (BGET(v, j))
 					BCLR(v, j);
 				else
-					v = limit(&v, NReg-1, &w);
+					v = limit(&v, nreg-1, &w);
 				s = tmp[j].spill;
 				break;
 			case RReg: