qbe

commit 834b5cb08bbf0f4fbc1992a72327dfc2c0a31796
parent 316b57e37eb10cc127526886f58f6cad24916bf1
Author: Quentin Carbonneaux <quentin@c9x.me>
Date:   Tue,  5 Feb 2019 14:53:58 +0100

fix a bad bug in regalloc boilerplate

That was silly...  I believe qbe still
managed to work because bitsets are only
used inside a basic block where rcopy()
is not used.

Diffstat:
M
rega.c
 | 
5
++++-

1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/rega.c b/rega.c
@@ -50,8 +50,11 @@ sethint(int t, int r)
 static void
 rcopy(RMap *ma, RMap *mb)
 {
-	memcpy(ma, mb, sizeof *ma);
+	memcpy(ma->t, mb->t, sizeof ma->t);
+	memcpy(ma->r, mb->r, sizeof ma->r);
+	memcpy(ma->w, mb->w, sizeof ma->w);
 	bscopy(ma->b, mb->b);
+	ma->n = mb->n;
 }
 
 static int