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authorIan Lance Taylor <ian@gcc.gnu.org>2013-02-20 19:45:10 +0000
committerIan Lance Taylor <ian@gcc.gnu.org>2013-02-20 19:45:10 +0000
commitaa777e7a23c38690a205ece9ebee9d2d4ad23097 (patch)
treed2cb694dccc6fef5094447628318832c5ff9dc7c /libgo
parenta0a7b6118a93846178c9dc4799e83b8e973d2392 (diff)
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re PR go/56320 (Several libgo tests FAIL on 64-bit Solaris/x86)
PR go/56320 runtime: Support Solaris AMD64 in lfstack. The address space layout is similar on SPARC64 and AMD64 when running Solaris. From-SVN: r196179
Diffstat (limited to 'libgo')
-rw-r--r--libgo/runtime/lfstack.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/libgo/runtime/lfstack.c b/libgo/runtime/lfstack.c
index 00b6008..230ed87 100644
--- a/libgo/runtime/lfstack.c
+++ b/libgo/runtime/lfstack.c
@@ -17,9 +17,10 @@
#define PTR_MASK ((1ull<<PTR_BITS)-1)
#define CNT_MASK (0ull-1)
-#if __SIZEOF_POINTER__ == 8 && defined(__sparc__)
-// SPARC64 uses all 64 bits of virtual addresses. Use low-order three
-// bits as ABA counter.
+#if __SIZEOF_POINTER__ == 8 && (defined(__sparc__) || (defined(__sun__) && defined(__amd64__)))
+// SPARC64 and Solaris on AMD64 uses all 64 bits of virtual addresses.
+// Use low-order three bits as ABA counter.
+// http://docs.oracle.com/cd/E19120-01/open.solaris/816-5138/6mba6ua5p/index.html
#undef PTR_BITS
#undef CNT_MASK
#undef PTR_MASK