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comparison src/cpu/sparc/vm/vm_version_sparc.cpp @ 643:c771b7f43bbf

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6378821: bitCount() should use POPC on SPARC processors and AMD+10h Summary: bitCount() should use POPC on SPARC processors where POPC is implemented directly in hardware. Reviewed-by: kvn, never
author twisti
date Fri, 13 Mar 2009 11:35:17 -0700
parents 660978a2a31a
children f6da6f0174ac
comparison
equal deleted inserted replaced
642:660978a2a31a 643:c771b7f43bbf
90 OptoLoopAlignment = 4; 90 OptoLoopAlignment = 4;
91 } 91 }
92 #endif 92 #endif
93 } 93 }
94 94
95 // Use hardware population count instruction if available.
96 if (has_hardware_popc()) {
97 if (FLAG_IS_DEFAULT(UsePopCountInstruction)) {
98 UsePopCountInstruction = true;
99 }
100 }
101
95 char buf[512]; 102 char buf[512];
96 jio_snprintf(buf, sizeof(buf), "%s%s%s%s%s%s%s%s%s%s%s", 103 jio_snprintf(buf, sizeof(buf), "%s%s%s%s%s%s%s%s%s%s%s%s",
97 (has_v8() ? ", has_v8" : ""), 104 (has_v8() ? ", has_v8" : ""),
98 (has_v9() ? ", has_v9" : ""), 105 (has_v9() ? ", has_v9" : ""),
106 (has_hardware_popc() ? ", popc" : ""),
99 (has_vis1() ? ", has_vis1" : ""), 107 (has_vis1() ? ", has_vis1" : ""),
100 (has_vis2() ? ", has_vis2" : ""), 108 (has_vis2() ? ", has_vis2" : ""),
101 (is_ultra3() ? ", is_ultra3" : ""), 109 (is_ultra3() ? ", is_ultra3" : ""),
102 (is_sun4v() ? ", is_sun4v" : ""), 110 (is_sun4v() ? ", is_sun4v" : ""),
103 (is_niagara1() ? ", is_niagara1" : ""), 111 (is_niagara1() ? ", is_niagara1" : ""),