From: Ken Thompson <ken@golang.org>
Date: Fri, 6 Jun 2008 20:54:59 +0000 (-0700)
Subject: code gen bug in ++ and --
X-Git-Tag: weekly.2009-11-06~3753
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=e372be9e76effbce5cce01850433d524fd0921fd;p=gostls13.git

code gen bug in ++ and --

SVN=121476
---

diff --git a/src/cmd/6g/gen.c b/src/cmd/6g/gen.c
index 700057405d..09b90ac3a3 100644
--- a/src/cmd/6g/gen.c
+++ b/src/cmd/6g/gen.c
@@ -694,16 +694,14 @@ cgen_asop(Node *nl, Node *nr, int op)
 	regalloc(&n1, nl->type, N);
 	if(nl->addable) {
 		cgen(nr, &n1);
-		gins(a, nl, &n1);
-		gmove(&n1, nl);
+		gins(a, &n1, nl);
 		regfree(&n1);
 		return;
 	}
 
 	igen(nl, &n2, N);
 	cgen(nr, &n1);
-	gins(a, &n2, &n1);
-	gmove(&n1, &n2);
+	gins(a, &n1, &n2);
 	regfree(&n1);
 	regfree(&n2);
 }
diff --git a/src/cmd/gc/go.h b/src/cmd/gc/go.h
index 4cd88d94db..199497abf0 100644
--- a/src/cmd/gc/go.h
+++ b/src/cmd/gc/go.h
@@ -208,7 +208,6 @@ enum
 	OEQ, ONE, OLT, OLE, OGE, OGT,
 	OADD, OSUB, OOR, OXOR,
 	OMUL, ODIV, OMOD, OLSH, ORSH, OAND,
-	ODEC, OINC,
 	OLEN,
 	OFUNC,
 	OLABEL,
diff --git a/src/cmd/gc/subr.c b/src/cmd/gc/subr.c
index 6f1ad12ab2..efbef36c43 100644
--- a/src/cmd/gc/subr.c
+++ b/src/cmd/gc/subr.c
@@ -606,8 +606,6 @@ opnames[] =
 	[OOROR]		= "OROR",
 	[OOR]		= "OR",
 	[OPLUS]		= "PLUS",
-	[ODEC]		= "DEC",
-	[OINC]		= "INC",
 	[OREGISTER]	= "REGISTER",
 	[OINDREG]	= "INDREG",
 	[OSEND]		= "SEND",