Mercurial > hg > truffle
annotate src/os_cpu/solaris_sparc/vm/prefetch_solaris_sparc.inline.hpp @ 1620:d678e3277048
6964479: widen normalization of small int and long values should be symmetric
Summary: normalize widen value in xmeet() and xdual() methods for types Int and Long so the type meet will be symmetric.
Reviewed-by: jrose
author | kvn |
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date | Mon, 28 Jun 2010 10:52:50 -0700 |
parents | c18cbe5936b8 |
children | f95d63e2154a |
rev | line source |
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0 | 1 /* |
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6941466: Oracle rebranding changes for Hotspot repositories
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
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c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 #if defined(COMPILER2) || defined(_LP64) | |
26 | |
27 // For Sun Studio inplementation is in solaris_sparc.il | |
28 // For gcc inplementation is just below | |
29 extern "C" void _Prefetch_read (void *loc, intx interval); | |
30 extern "C" void _Prefetch_write(void *loc, intx interval); | |
31 | |
32 inline void Prefetch::read(void *loc, intx interval) { | |
33 _Prefetch_read(loc, interval); | |
34 } | |
35 | |
36 inline void Prefetch::write(void *loc, intx interval) { | |
37 _Prefetch_write(loc, interval); | |
38 } | |
39 | |
40 #ifdef _GNU_SOURCE | |
41 extern "C" { | |
42 inline void _Prefetch_read (void *loc, intx interval) { | |
43 __asm__ volatile | |
44 ("prefetch [%0+%1], 0" : : "r" (loc), "r" (interval) : "memory" ); | |
45 } | |
46 inline void _Prefetch_write(void *loc, intx interval) { | |
47 __asm__ volatile | |
48 ("prefetch [%0+%1], 2" : : "r" (loc), "r" (interval) : "memory" ); | |
49 } | |
50 } | |
51 #endif // _GNU_SOURCE | |
52 | |
53 #else // defined(COMPILER2) || defined(_LP64) | |
54 | |
55 inline void Prefetch::read (void *loc, intx interval) {} | |
56 inline void Prefetch::write(void *loc, intx interval) {} | |
57 | |
58 #endif // defined(COMPILER2) || defined(_LP64) |