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runtime: SPARCv9 fixes for lfstack. 

From Rainer Orth.

From-SVN: r195534
This commit is contained in:
Ian Lance Taylor 2013-01-29 13:58:18 +00:00
parent 83ba4d6f2b
commit 656e11a924
1 changed files with 4 additions and 1 deletions
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5
libgo/runtime/lfstack.c
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@ -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)