Mercurial > hg > truffle
annotate src/os_cpu/solaris_sparc/vm/assembler_solaris_sparc.cpp @ 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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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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6941466: Oracle rebranding changes for Hotspot repositories
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 #include "incls/_precompiled.incl" | |
26 #include "incls/_assembler_solaris_sparc.cpp.incl" | |
27 | |
28 #include <sys/trap.h> // For trap numbers | |
29 #include <v9/sys/psr_compat.h> // For V8 compatibility | |
30 | |
31 void MacroAssembler::read_ccr_trap(Register ccr_save) { | |
32 // Execute a trap to get the PSR, mask and shift | |
33 // to get the condition codes. | |
34 get_psr_trap(); | |
35 nop(); | |
36 set(PSR_ICC, ccr_save); | |
37 and3(O0, ccr_save, ccr_save); | |
38 srl(ccr_save, PSR_ICC_SHIFT, ccr_save); | |
39 } | |
40 | |
41 void MacroAssembler::write_ccr_trap(Register ccr_save, Register scratch1, Register scratch2) { | |
42 // Execute a trap to get the PSR, shift back | |
43 // the condition codes, mask the condition codes | |
44 // back into and PSR and trap to write back the | |
45 // PSR. | |
46 sll(ccr_save, PSR_ICC_SHIFT, scratch2); | |
47 get_psr_trap(); | |
48 nop(); | |
49 set(~PSR_ICC, scratch1); | |
50 and3(O0, scratch1, O0); | |
51 or3(O0, scratch2, O0); | |
52 set_psr_trap(); | |
53 nop(); | |
54 } | |
55 | |
56 void MacroAssembler::flush_windows_trap() { trap(ST_FLUSH_WINDOWS); } | |
57 void MacroAssembler::clean_windows_trap() { trap(ST_CLEAN_WINDOWS); } | |
58 void MacroAssembler::get_psr_trap() { trap(ST_GETPSR); } | |
59 void MacroAssembler::set_psr_trap() { trap(ST_SETPSR); } |