From: Ian Lance Taylor <ian@gcc.gnu.org>
Date: Tue, 29 Jan 2013 13:58:18 +0000 (+0000)
Subject: runtime: SPARCv9 fixes for lfstack.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=656e11a924eb4555d6c5650d6fa8d5ae2049cc44;p=gcc.git

runtime: SPARCv9 fixes for lfstack.

From Rainer Orth.

From-SVN: r195534
---

diff --git a/libgo/runtime/lfstack.c b/libgo/runtime/lfstack.c
index 783595abe7a..00b60081e88 100644
--- a/libgo/runtime/lfstack.c
+++ b/libgo/runtime/lfstack.c
@@ -19,7 +19,10 @@
 
 #if __SIZEOF_POINTER__ == 8 && defined(__sparc__)
 // SPARC64 uses all 64 bits of virtual addresses.  Use low-order three
-bits as ABA counter.
+// bits as ABA counter.
+#undef PTR_BITS
+#undef CNT_MASK
+#undef PTR_MASK
 #define PTR_BITS 0
 #define CNT_MASK 7
 #define PTR_MASK ((0ull-1)<<3)