From: Rémy Oudompheng <oudomphe@phare.normalesup.org>
Date: Wed, 14 Aug 2013 19:24:48 +0000 (+0200)
Subject: cmd/5g, cmd/6g, cmd/8g: restore occurrences of R replaced by nil in comments.
X-Git-Tag: go1.2rc2~574
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=0d9db86f74aa58efed564963d64684252a7e94ea;p=gostls13.git

cmd/5g, cmd/6g, cmd/8g: restore occurrences of R replaced by nil in comments.

R=golang-dev, bradfitz, rsc
CC=golang-dev
https://golang.org/cl/12842043
---

diff --git a/src/cmd/5g/peep.c b/src/cmd/5g/peep.c
index a6c9a6ada9..fc6899d9ed 100644
--- a/src/cmd/5g/peep.c
+++ b/src/cmd/5g/peep.c
@@ -493,15 +493,15 @@ constprop(Adr *c1, Adr *v1, Flow *r)
 /*
  * shortprop eliminates redundant zero/sign extensions.
  *
- *   MOVBS x, nil
- *   <no use nil>
- *   MOVBS nil, nil'
+ *   MOVBS x, R
+ *   <no use R>
+ *   MOVBS R, R'
  *
  * changed to
  *
- *   MOVBS x, nil
+ *   MOVBS x, R
  *   ...
- *   MOVB  nil, nil' (compiled to mov)
+ *   MOVB  R, R' (compiled to mov)
  *
  * MOVBS above can be a MOVBS, MOVBU, MOVHS or MOVHU.
  */
diff --git a/src/cmd/6g/peep.c b/src/cmd/6g/peep.c
index d1041d58e5..c0fe97ece1 100644
--- a/src/cmd/6g/peep.c
+++ b/src/cmd/6g/peep.c
@@ -98,9 +98,9 @@ peep(Prog *firstp)
 	elimshortmov(g);
 
 	// constant propagation
-	// find MOV $con,nil followed by
-	// another MOV $con,nil without
-	// setting nil in the interim
+	// find MOV $con,R followed by
+	// another MOV $con,R without
+	// setting R in the interim
 	for(r=g->start; r!=nil; r=r->link) {
 		p = r->prog;
 		switch(p->as) {
diff --git a/src/cmd/8g/peep.c b/src/cmd/8g/peep.c
index 5a0b1d3ab1..358b0977ae 100644
--- a/src/cmd/8g/peep.c
+++ b/src/cmd/8g/peep.c
@@ -97,9 +97,9 @@ peep(Prog *firstp)
 	elimshortmov(g);
 
 	// constant propagation
-	// find MOV $con,nil followed by
-	// another MOV $con,nil without
-	// setting nil in the interim
+	// find MOV $con,R followed by
+	// another MOV $con,R without
+	// setting R in the interim
 	for(r=g->start; r!=nil; r=r->link) {
 		p = r->prog;
 		switch(p->as) {