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| author | ian <ian@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-02-20 19:45:10 +0000 |
|---|---|---|
| committer | ian <ian@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-02-20 19:45:10 +0000 |
| commit | 27db653a7db25de172a76d7ef858f8f8a7fa273a (patch) | |
| tree | d2cb694dccc6fef5094447628318832c5ff9dc7c /libgo | |
| parent | 16473e06609d33f201709a174a66355b81859f60 (diff) | |
| download | gcc-27db653a7db25de172a76d7ef858f8f8a7fa273a.tar.gz | |
PR go/56320
runtime: Support Solaris AMD64 in lfstack.
The address space layout is similar on SPARC64 and AMD64 when
running Solaris.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@196179 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libgo')
| -rw-r--r-- | libgo/runtime/lfstack.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/libgo/runtime/lfstack.c b/libgo/runtime/lfstack.c index 00b60081e88..230ed87c43f 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 |