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6812587: Use auxv to determine SPARC hardware features on Solaris

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A similar function to getisax(2) should be used to determine all possible instruction set extensions.

Reviewed-by: never, kvn
This commit is contained in:
Christian Thalinger 2009-03-11 14:16:13 -07:00
parent 7a871160ec
commit 66cecec230
6 changed files with 163 additions and 82 deletions
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8
hotspot/src/cpu/sparc/vm/vm_version_sparc.cpp
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@ -1,5 +1,5 @@
/*
* Copyright 1997-2008 Sun Microsystems, Inc. All Rights Reserved.
* Copyright 1997-2009 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -90,7 +90,7 @@ void VM_Version::initialize() {
}
char buf[512];
jio_snprintf(buf, sizeof(buf), "%s%s%s%s%s%s%s%s%s",
jio_snprintf(buf, sizeof(buf), "%s%s%s%s%s%s%s%s%s%s%s",
(has_v8() ? ", has_v8" : ""),
(has_v9() ? ", has_v9" : ""),
(has_vis1() ? ", has_vis1" : ""),
@ -98,7 +98,9 @@ void VM_Version::initialize() {
(is_ultra3() ? ", is_ultra3" : ""),
(is_sun4v() ? ", is_sun4v" : ""),
(is_niagara1() ? ", is_niagara1" : ""),
(!has_hardware_int_muldiv() ? ", no-muldiv" : ""),
(is_niagara1_plus() ? ", is_niagara1_plus" : ""),
(!has_hardware_mul32() ? ", no-mul32" : ""),
(!has_hardware_div32() ? ", no-div32" : ""),
(!has_hardware_fsmuld() ? ", no-fsmuld" : ""));
// buf is started with ", " or is empty