From: Austin Clements <austin@google.com>
Date: Fri, 21 Nov 2014 20:58:01 +0000 (-0500)
Subject: [dev.cc] 9g: correct bad proginfo for ADUFFZERO and ADUFFCOPY
X-Git-Tag: go1.5beta1~2688^2~14
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=ee853dacf5143ac4cb3550ee35016e3889081d80;p=gostls13.git

[dev.cc] 9g: correct bad proginfo for ADUFFZERO and ADUFFCOPY

LGTM=rsc
R=rsc, dave
CC=golang-codereviews
https://golang.org/cl/176130044
---

diff --git a/src/cmd/9g/prog.c b/src/cmd/9g/prog.c
index e3e50f28a9..51c132d183 100644
--- a/src/cmd/9g/prog.c
+++ b/src/cmd/9g/prog.c
@@ -134,11 +134,12 @@ proginfo(ProgInfo *info, Prog *p)
 	}
 
 	if(p->as == ADUFFZERO) {
-		info->reguse |= RtoB(0) | RtoB(2);
-		info->regset |= RtoB(2);
+		info->reguse |= (1<<D_R0) | RtoB(3);
+		info->regset |= RtoB(3);
 	}
 	if(p->as == ADUFFCOPY) {
-		info->reguse |= RtoB(0) | RtoB(2) | RtoB(3);
-		info->regset |= RtoB(2) | RtoB(3);
+		// TODO(austin) Revisit when duffcopy is implemented
+		info->reguse |= RtoB(3) | RtoB(4) | RtoB(5);
+		info->regset |= RtoB(3) | RtoB(4);
 	}
 }