cmd/6l: accept NOP of $x+10(SP) and of X0

Needed to link code compiled with 6c -N.

R=ken2
CC=golang-dev
https://golang.org/cl/10043044

diff --git a/src/cmd/6l/optab.c b/src/cmd/6l/optab.c
index 34c8a0c129a33285f8e17dfdda080767805ab650..356910734a100ddfba22fdd789013d0768e30458 100644 (file)
--- a/src/cmd/6l/optab.c
+++ b/src/cmd/6l/optab.c
@@ -42,11 +42,15 @@ uchar       ytext[] =
 };
 uchar  ynop[] =
 {
-       Ynone,  Ynone,  Zpseudo,1,
-       Ynone,  Yml,    Zpseudo,1,
-       Ynone,  Yrf,    Zpseudo,1,
-       Yml,    Ynone,  Zpseudo,1,
-       Yrf,    Ynone,  Zpseudo,1,
+       Ynone,  Ynone,  Zpseudo,0,
+       Ynone,  Yiauto, Zpseudo,0,
+       Ynone,  Yml,    Zpseudo,0,
+       Ynone,  Yrf,    Zpseudo,0,
+       Ynone,  Yxr,    Zpseudo,0,
+       Yiauto, Ynone,  Zpseudo,0,
+       Yml,    Ynone,  Zpseudo,0,
+       Yrf,    Ynone,  Zpseudo,0,
+       Yxr,    Ynone,  Zpseudo,1,
        0
 };
 uchar  yxorb[] =