commit 4decb2697c3e367d9599b0ee8a11db8148bb7147
author sewardj <sewardj@a5019735-40e9-0310-863c-91ae7b9d1cf9> Mon Feb 10 12:26:12 2014 +0000
committer sewardj <sewardj@a5019735-40e9-0310-863c-91ae7b9d1cf9> Mon Feb 10 12:26:12 2014 +0000
tree 931fc958ed22f258aca9ed99db0d88dbf5a10e37
parent aa229f38de7988e65efc4fda0c8008e15200a3a0

Fix the ppc32 special-instruction magic sequence so it really does
preserve the value of r0, as claimed.  Fixes #278808 (Valgrind side).



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13797 a5019735-40e9-0310-863c-91ae7b9d1cf9

include/valgrind.h

diff --git a/include/valgrind.h b/include/valgrind.h
index 9c86548..365c6b9 100644
--- a/include/valgrind.h
+++ b/include/valgrind.h
@@ -450,8 +450,8 @@
    OrigFn;
 
 #define __SPECIAL_INSTRUCTION_PREAMBLE                            \
-                     "rlwinm 0,0,3,0,0  ; rlwinm 0,0,13,0,0\n\t"  \
-                     "rlwinm 0,0,29,0,0 ; rlwinm 0,0,19,0,0\n\t"
+                    "rlwinm 0,0,3,0,31  ; rlwinm 0,0,13,0,31\n\t" \
+                    "rlwinm 0,0,29,0,31 ; rlwinm 0,0,19,0,31\n\t"
 
 #define VALGRIND_DO_CLIENT_REQUEST_EXPR(                          \
         _zzq_default, _zzq_request,                               \