truffle: src/cpu/ppc/vm/vm_version

annotate src/cpu/ppc/vm/vm_version_ppc.cpp @ 20710:c5e86c5cd22e

8066964: ppc64: argument and return type profiling, fix problem with popframe Reviewed-by: roland, kvn

author	goetz
date	Fri, 12 Dec 2014 08:48:56 +0100
parents	327e7269f90d
children

rev	line source
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	1 /*
17937 78bbf4d43a14 8037816: Fix for 8036122 breaks build with Xcode5/clang drchase parents: 17807 diff changeset	2 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
17807 71a71b0bc844 8037915: PPC64/AIX: Several smaller fixes goetz parents: 17803 diff changeset	3 * Copyright 2012, 2014 SAP AG. All rights reserved.
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	5 *
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	6 * This code is free software; you can redistribute it and/or modify it
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	7 * under the terms of the GNU General Public License version 2 only, as
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	8 * published by the Free Software Foundation.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	9 *
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	10 * This code is distributed in the hope that it will be useful, but WITHOUT
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	13 * version 2 for more details (a copy is included in the LICENSE file that
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	14 * accompanied this code).
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	15 *
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	16 * You should have received a copy of the GNU General Public License version
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	17 * 2 along with this work; if not, write to the Free Software Foundation,
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	19 *
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	21 * or visit www.oracle.com if you need additional information or have any
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	22 * questions.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	23 *
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	24 */
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	25
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	26 #include "precompiled.hpp"
17803 31e80afe3fed 8035647: PPC64: Support for elf v2 abi. goetz parents: 14445 diff changeset	27 #include "asm/assembler.inline.hpp"
31e80afe3fed 8035647: PPC64: Support for elf v2 abi. goetz parents: 14445 diff changeset	28 #include "asm/macroAssembler.inline.hpp"
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	29 #include "compiler/disassembler.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	30 #include "memory/resourceArea.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	31 #include "runtime/java.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	32 #include "runtime/stubCodeGenerator.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	33 #include "utilities/defaultStream.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	34 #include "vm_version_ppc.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	35 #ifdef TARGET_OS_FAMILY_aix
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	36 # include "os_aix.inline.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	37 #endif
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	38 #ifdef TARGET_OS_FAMILY_linux
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	39 # include "os_linux.inline.hpp"
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	40 #endif
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	41
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	42 # include <sys/sysinfo.h>
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	43
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	44 int VM_Version::_features = VM_Version::unknown_m;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	45 int VM_Version::_measured_cache_line_size = 128; // default value
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	46 const char* VM_Version::_features_str = "";
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	47 bool VM_Version::_is_determine_features_test_running = false;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	48
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	49
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	50 #define MSG(flag) \
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	51 if (flag && !FLAG_IS_DEFAULT(flag)) \
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	52 jio_fprintf(defaultStream::error_stream(), \
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	53 "warning: -XX:+" #flag " requires -XX:+UseSIGTRAP\n" \
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	54 " -XX:+" #flag " will be disabled!\n");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	55
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	56 void VM_Version::initialize() {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	57
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	58 // Test which instructions are supported and measure cache line size.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	59 determine_features();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	60
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	61 // If PowerArchitecturePPC64 hasn't been specified explicitly determine from features.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	62 if (FLAG_IS_DEFAULT(PowerArchitecturePPC64)) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	63 if (VM_Version::has_popcntw()) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	64 FLAG_SET_ERGO(uintx, PowerArchitecturePPC64, 7);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	65 } else if (VM_Version::has_cmpb()) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	66 FLAG_SET_ERGO(uintx, PowerArchitecturePPC64, 6);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	67 } else if (VM_Version::has_popcntb()) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	68 FLAG_SET_ERGO(uintx, PowerArchitecturePPC64, 5);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	69 } else {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	70 FLAG_SET_ERGO(uintx, PowerArchitecturePPC64, 0);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	71 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	72 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	73 guarantee(PowerArchitecturePPC64 == 0 \|\| PowerArchitecturePPC64 == 5 \|\|
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	74 PowerArchitecturePPC64 == 6 \|\| PowerArchitecturePPC64 == 7,
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	75 "PowerArchitecturePPC64 should be 0, 5, 6 or 7");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	76
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	77 if (!UseSIGTRAP) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	78 MSG(TrapBasedICMissChecks);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	79 MSG(TrapBasedNotEntrantChecks);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	80 MSG(TrapBasedNullChecks);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	81 FLAG_SET_ERGO(bool, TrapBasedNotEntrantChecks, false);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	82 FLAG_SET_ERGO(bool, TrapBasedNullChecks, false);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	83 FLAG_SET_ERGO(bool, TrapBasedICMissChecks, false);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	84 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	85
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	86 #ifdef COMPILER2
14440 41b780b43b74 8029015: PPC64 (part 216): opto: trap based null and range checks goetz parents: 14408 diff changeset	87 if (!UseSIGTRAP) {
41b780b43b74 8029015: PPC64 (part 216): opto: trap based null and range checks goetz parents: 14408 diff changeset	88 MSG(TrapBasedRangeChecks);
41b780b43b74 8029015: PPC64 (part 216): opto: trap based null and range checks goetz parents: 14408 diff changeset	89 FLAG_SET_ERGO(bool, TrapBasedRangeChecks, false);
41b780b43b74 8029015: PPC64 (part 216): opto: trap based null and range checks goetz parents: 14408 diff changeset	90 }
41b780b43b74 8029015: PPC64 (part 216): opto: trap based null and range checks goetz parents: 14408 diff changeset	91
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	92 // On Power6 test for section size.
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	93 if (PowerArchitecturePPC64 == 6) {
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	94 determine_section_size();
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	95 // TODO: PPC port } else {
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	96 // TODO: PPC port PdScheduling::power6SectorSize = 0x20;
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	97 }
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	98
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	99 MaxVectorSize = 8;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	100 #endif
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	101
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	102 // Create and print feature-string.
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	103 char buf[(num_features+1) * 16]; // Max 16 chars per feature.
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	104 jio_snprintf(buf, sizeof(buf),
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	105 "ppc64%s%s%s%s%s%s%s%s",
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	106 (has_fsqrt() ? " fsqrt" : ""),
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	107 (has_isel() ? " isel" : ""),
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	108 (has_lxarxeh() ? " lxarxeh" : ""),
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	109 (has_cmpb() ? " cmpb" : ""),
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	110 //(has_mftgpr()? " mftgpr" : ""),
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	111 (has_popcntb() ? " popcntb" : ""),
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	112 (has_popcntw() ? " popcntw" : ""),
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	113 (has_fcfids() ? " fcfids" : ""),
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	114 (has_vand() ? " vand" : "")
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	115 // Make sure number of %s matches num_features!
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	116 );
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	117 _features_str = strdup(buf);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	118 NOT_PRODUCT(if (Verbose) print_features(););
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	119
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	120 // PPC64 supports 8-byte compare-exchange operations (see
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	121 // Atomic::cmpxchg and StubGenerator::generate_atomic_cmpxchg_ptr)
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	122 // and 'atomic long memory ops' (see Unsafe_GetLongVolatile).
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	123 _supports_cx8 = true;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	124
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	125 UseSSE = 0; // Only on x86 and x64
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	126
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	127 intx cache_line_size = _measured_cache_line_size;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	128
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	129 if (FLAG_IS_DEFAULT(AllocatePrefetchStyle)) AllocatePrefetchStyle = 1;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	130
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	131 if (AllocatePrefetchStyle == 4) {
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	132 AllocatePrefetchStepSize = cache_line_size; // Need exact value.
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	133 if (FLAG_IS_DEFAULT(AllocatePrefetchLines)) AllocatePrefetchLines = 12; // Use larger blocks by default.
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	134 if (AllocatePrefetchDistance < 0) AllocatePrefetchDistance = 2*cache_line_size; // Default is not defined?
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	135 } else {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	136 if (cache_line_size > AllocatePrefetchStepSize) AllocatePrefetchStepSize = cache_line_size;
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	137 if (FLAG_IS_DEFAULT(AllocatePrefetchLines)) AllocatePrefetchLines = 3; // Optimistic value.
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	138 if (AllocatePrefetchDistance < 0) AllocatePrefetchDistance = 3*cache_line_size; // Default is not defined?
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	139 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	140
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	141 assert(AllocatePrefetchLines > 0, "invalid value");
20710 c5e86c5cd22e 8066964: ppc64: argument and return type profiling, fix problem with popframe goetz parents: 20644 diff changeset	142 if (AllocatePrefetchLines < 1) { // Set valid value in product VM.
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	143 AllocatePrefetchLines = 1; // Conservative value.
20710 c5e86c5cd22e 8066964: ppc64: argument and return type profiling, fix problem with popframe goetz parents: 20644 diff changeset	144 }
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	145
20710 c5e86c5cd22e 8066964: ppc64: argument and return type profiling, fix problem with popframe goetz parents: 20644 diff changeset	146 if (AllocatePrefetchStyle == 3 && AllocatePrefetchDistance < cache_line_size) {
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	147 AllocatePrefetchStyle = 1; // Fall back if inappropriate.
20710 c5e86c5cd22e 8066964: ppc64: argument and return type profiling, fix problem with popframe goetz parents: 20644 diff changeset	148 }
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	149
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	150 assert(AllocatePrefetchStyle >= 0, "AllocatePrefetchStyle should be positive");
20710 c5e86c5cd22e 8066964: ppc64: argument and return type profiling, fix problem with popframe goetz parents: 20644 diff changeset	151
c5e86c5cd22e 8066964: ppc64: argument and return type profiling, fix problem with popframe goetz parents: 20644 diff changeset	152 if (UseCRC32Intrinsics) {
c5e86c5cd22e 8066964: ppc64: argument and return type profiling, fix problem with popframe goetz parents: 20644 diff changeset	153 if (!FLAG_IS_DEFAULT(UseCRC32Intrinsics))
c5e86c5cd22e 8066964: ppc64: argument and return type profiling, fix problem with popframe goetz parents: 20644 diff changeset	154 warning("CRC32 intrinsics are not available on this CPU");
c5e86c5cd22e 8066964: ppc64: argument and return type profiling, fix problem with popframe goetz parents: 20644 diff changeset	155 FLAG_SET_DEFAULT(UseCRC32Intrinsics, false);
c5e86c5cd22e 8066964: ppc64: argument and return type profiling, fix problem with popframe goetz parents: 20644 diff changeset	156 }
c5e86c5cd22e 8066964: ppc64: argument and return type profiling, fix problem with popframe goetz parents: 20644 diff changeset	157
c5e86c5cd22e 8066964: ppc64: argument and return type profiling, fix problem with popframe goetz parents: 20644 diff changeset	158 // The AES intrinsic stubs require AES instruction support.
c5e86c5cd22e 8066964: ppc64: argument and return type profiling, fix problem with popframe goetz parents: 20644 diff changeset	159 if (UseAES) {
c5e86c5cd22e 8066964: ppc64: argument and return type profiling, fix problem with popframe goetz parents: 20644 diff changeset	160 warning("AES instructions are not available on this CPU");
c5e86c5cd22e 8066964: ppc64: argument and return type profiling, fix problem with popframe goetz parents: 20644 diff changeset	161 FLAG_SET_DEFAULT(UseAES, false);
c5e86c5cd22e 8066964: ppc64: argument and return type profiling, fix problem with popframe goetz parents: 20644 diff changeset	162 }
c5e86c5cd22e 8066964: ppc64: argument and return type profiling, fix problem with popframe goetz parents: 20644 diff changeset	163 if (UseAESIntrinsics) {
c5e86c5cd22e 8066964: ppc64: argument and return type profiling, fix problem with popframe goetz parents: 20644 diff changeset	164 if (!FLAG_IS_DEFAULT(UseAESIntrinsics))
c5e86c5cd22e 8066964: ppc64: argument and return type profiling, fix problem with popframe goetz parents: 20644 diff changeset	165 warning("AES intrinsics are not available on this CPU");
c5e86c5cd22e 8066964: ppc64: argument and return type profiling, fix problem with popframe goetz parents: 20644 diff changeset	166 FLAG_SET_DEFAULT(UseAESIntrinsics, false);
c5e86c5cd22e 8066964: ppc64: argument and return type profiling, fix problem with popframe goetz parents: 20644 diff changeset	167 }
c5e86c5cd22e 8066964: ppc64: argument and return type profiling, fix problem with popframe goetz parents: 20644 diff changeset	168
c5e86c5cd22e 8066964: ppc64: argument and return type profiling, fix problem with popframe goetz parents: 20644 diff changeset	169 if (UseSHA) {
c5e86c5cd22e 8066964: ppc64: argument and return type profiling, fix problem with popframe goetz parents: 20644 diff changeset	170 warning("SHA instructions are not available on this CPU");
c5e86c5cd22e 8066964: ppc64: argument and return type profiling, fix problem with popframe goetz parents: 20644 diff changeset	171 FLAG_SET_DEFAULT(UseSHA, false);
c5e86c5cd22e 8066964: ppc64: argument and return type profiling, fix problem with popframe goetz parents: 20644 diff changeset	172 }
c5e86c5cd22e 8066964: ppc64: argument and return type profiling, fix problem with popframe goetz parents: 20644 diff changeset	173 if (UseSHA1Intrinsics \|\| UseSHA256Intrinsics \|\| UseSHA512Intrinsics) {
c5e86c5cd22e 8066964: ppc64: argument and return type profiling, fix problem with popframe goetz parents: 20644 diff changeset	174 warning("SHA intrinsics are not available on this CPU");
c5e86c5cd22e 8066964: ppc64: argument and return type profiling, fix problem with popframe goetz parents: 20644 diff changeset	175 FLAG_SET_DEFAULT(UseSHA1Intrinsics, false);
c5e86c5cd22e 8066964: ppc64: argument and return type profiling, fix problem with popframe goetz parents: 20644 diff changeset	176 FLAG_SET_DEFAULT(UseSHA256Intrinsics, false);
c5e86c5cd22e 8066964: ppc64: argument and return type profiling, fix problem with popframe goetz parents: 20644 diff changeset	177 FLAG_SET_DEFAULT(UseSHA512Intrinsics, false);
c5e86c5cd22e 8066964: ppc64: argument and return type profiling, fix problem with popframe goetz parents: 20644 diff changeset	178 }
c5e86c5cd22e 8066964: ppc64: argument and return type profiling, fix problem with popframe goetz parents: 20644 diff changeset	179
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	180 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	181
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	182 void VM_Version::print_features() {
17937 78bbf4d43a14 8037816: Fix for 8036122 breaks build with Xcode5/clang drchase parents: 17807 diff changeset	183 tty->print_cr("Version: %s cache_line_size = %d", cpu_features(), (int) get_cache_line_size());
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	184 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	185
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	186 #ifdef COMPILER2
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	187 // Determine section size on power6: If section size is 8 instructions,
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	188 // there should be a difference between the two testloops of ~15 %. If
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	189 // no difference is detected the section is assumed to be 32 instructions.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	190 void VM_Version::determine_section_size() {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	191
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	192 int unroll = 80;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	193
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	194 const int code_size = (2* unroll * 32 + 100)*BytesPerInstWord;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	195
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	196 // Allocate space for the code.
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	197 ResourceMark rm;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	198 CodeBuffer cb("detect_section_size", code_size, 0);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	199 MacroAssembler* a = new MacroAssembler(&cb);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	200
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	201 uint32_t code = (uint32_t )a->pc();
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	202 // Emit code.
17803 31e80afe3fed 8035647: PPC64: Support for elf v2 abi. goetz parents: 14445 diff changeset	203 void (test1)() = (void()())(void *)a->function_entry();
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	204
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	205 Label l1;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	206
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	207 a->li(R4, 1);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	208 a->sldi(R4, R4, 28);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	209 a->b(l1);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	210 a->align(CodeEntryAlignment);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	211
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	212 a->bind(l1);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	213
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	214 for (int i = 0; i < unroll; i++) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	215 // Schleife 1
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	216 // ------- sector 0 ------------
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	217 // ;; 0
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	218 a->nop(); // 1
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	219 a->fpnop0(); // 2
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	220 a->fpnop1(); // 3
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	221 a->addi(R4,R4, -1); // 4
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	222
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	223 // ;; 1
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	224 a->nop(); // 5
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	225 a->fmr(F6, F6); // 6
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	226 a->fmr(F7, F7); // 7
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	227 a->endgroup(); // 8
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	228 // ------- sector 8 ------------
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	229
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	230 // ;; 2
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	231 a->nop(); // 9
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	232 a->nop(); // 10
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	233 a->fmr(F8, F8); // 11
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	234 a->fmr(F9, F9); // 12
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	235
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	236 // ;; 3
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	237 a->nop(); // 13
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	238 a->fmr(F10, F10); // 14
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	239 a->fmr(F11, F11); // 15
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	240 a->endgroup(); // 16
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	241 // -------- sector 16 -------------
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	242
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	243 // ;; 4
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	244 a->nop(); // 17
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	245 a->nop(); // 18
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	246 a->fmr(F15, F15); // 19
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	247 a->fmr(F16, F16); // 20
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	248
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	249 // ;; 5
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	250 a->nop(); // 21
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	251 a->fmr(F17, F17); // 22
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	252 a->fmr(F18, F18); // 23
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	253 a->endgroup(); // 24
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	254 // ------- sector 24 ------------
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	255
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	256 // ;; 6
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	257 a->nop(); // 25
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	258 a->nop(); // 26
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	259 a->fmr(F19, F19); // 27
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	260 a->fmr(F20, F20); // 28
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	261
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	262 // ;; 7
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	263 a->nop(); // 29
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	264 a->fmr(F21, F21); // 30
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	265 a->fmr(F22, F22); // 31
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	266 a->brnop0(); // 32
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	267
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	268 // ------- sector 32 ------------
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	269 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	270
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	271 // ;; 8
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	272 a->cmpdi(CCR0, R4, unroll); // 33
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	273 a->bge(CCR0, l1); // 34
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	274 a->blr();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	275
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	276 // Emit code.
17803 31e80afe3fed 8035647: PPC64: Support for elf v2 abi. goetz parents: 14445 diff changeset	277 void (test2)() = (void()())(void *)a->function_entry();
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	278 // uint32_t code = (uint32_t )a->pc();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	279
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	280 Label l2;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	281
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	282 a->li(R4, 1);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	283 a->sldi(R4, R4, 28);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	284 a->b(l2);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	285 a->align(CodeEntryAlignment);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	286
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	287 a->bind(l2);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	288
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	289 for (int i = 0; i < unroll; i++) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	290 // Schleife 2
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	291 // ------- sector 0 ------------
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	292 // ;; 0
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	293 a->brnop0(); // 1
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	294 a->nop(); // 2
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	295 //a->cmpdi(CCR0, R4, unroll);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	296 a->fpnop0(); // 3
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	297 a->fpnop1(); // 4
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	298 a->addi(R4,R4, -1); // 5
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	299
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	300 // ;; 1
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	301
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	302 a->nop(); // 6
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	303 a->fmr(F6, F6); // 7
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	304 a->fmr(F7, F7); // 8
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	305 // ------- sector 8 ---------------
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	306
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	307 // ;; 2
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	308 a->endgroup(); // 9
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	309
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	310 // ;; 3
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	311 a->nop(); // 10
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	312 a->nop(); // 11
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	313 a->fmr(F8, F8); // 12
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	314
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	315 // ;; 4
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	316 a->fmr(F9, F9); // 13
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	317 a->nop(); // 14
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	318 a->fmr(F10, F10); // 15
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	319
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	320 // ;; 5
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	321 a->fmr(F11, F11); // 16
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	322 // -------- sector 16 -------------
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	323
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	324 // ;; 6
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	325 a->endgroup(); // 17
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	326
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	327 // ;; 7
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	328 a->nop(); // 18
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	329 a->nop(); // 19
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	330 a->fmr(F15, F15); // 20
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	331
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	332 // ;; 8
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	333 a->fmr(F16, F16); // 21
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	334 a->nop(); // 22
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	335 a->fmr(F17, F17); // 23
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	336
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	337 // ;; 9
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	338 a->fmr(F18, F18); // 24
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	339 // -------- sector 24 -------------
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	340
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	341 // ;; 10
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	342 a->endgroup(); // 25
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	343
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	344 // ;; 11
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	345 a->nop(); // 26
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	346 a->nop(); // 27
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	347 a->fmr(F19, F19); // 28
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	348
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	349 // ;; 12
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	350 a->fmr(F20, F20); // 29
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	351 a->nop(); // 30
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	352 a->fmr(F21, F21); // 31
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	353
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	354 // ;; 13
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	355 a->fmr(F22, F22); // 32
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	356 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	357
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	358 // -------- sector 32 -------------
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	359 // ;; 14
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	360 a->cmpdi(CCR0, R4, unroll); // 33
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	361 a->bge(CCR0, l2); // 34
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	362
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	363 a->blr();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	364 uint32_t code_end = (uint32_t )a->pc();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	365 a->flush();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	366
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	367 double loop1_seconds,loop2_seconds, rel_diff;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	368 uint64_t start1, stop1;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	369
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	370 start1 = os::current_thread_cpu_time(false);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	371 (*test1)();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	372 stop1 = os::current_thread_cpu_time(false);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	373 loop1_seconds = (stop1- start1) / (1000 1000 1000.0);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	374
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	375
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	376 start1 = os::current_thread_cpu_time(false);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	377 (*test2)();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	378 stop1 = os::current_thread_cpu_time(false);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	379
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	380 loop2_seconds = (stop1 - start1) / (1000 1000 1000.0);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	381
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	382 rel_diff = (loop2_seconds - loop1_seconds) / loop1_seconds *100;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	383
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	384 if (PrintAssembly) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	385 ttyLocker ttyl;
20644 327e7269f90d 8048169: Change 8037816 breaks HS build on PPC64 and CPP-Interpreter platforms coleenp parents: 17937 diff changeset	386 tty->print_cr("Decoding section size detection stub at " INTPTR_FORMAT " before execution:", p2i(code));
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	387 Disassembler::decode((u_char)code, (u_char)code_end, tty);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	388 tty->print_cr("Time loop1 :%f", loop1_seconds);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	389 tty->print_cr("Time loop2 :%f", loop2_seconds);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	390 tty->print_cr("(time2 - time1) / time1 = %f %%", rel_diff);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	391
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	392 if (rel_diff > 12.0) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	393 tty->print_cr("Section Size 8 Instructions");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	394 } else{
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	395 tty->print_cr("Section Size 32 Instructions or Power5");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	396 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	397 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	398
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	399 #if 0 // TODO: PPC port
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	400 // Set sector size (if not set explicitly).
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	401 if (FLAG_IS_DEFAULT(Power6SectorSize128PPC64)) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	402 if (rel_diff > 12.0) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	403 PdScheduling::power6SectorSize = 0x20;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	404 } else {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	405 PdScheduling::power6SectorSize = 0x80;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	406 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	407 } else if (Power6SectorSize128PPC64) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	408 PdScheduling::power6SectorSize = 0x80;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	409 } else {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	410 PdScheduling::power6SectorSize = 0x20;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	411 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	412 #endif
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	413 if (UsePower6SchedulerPPC64) Unimplemented();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	414 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	415 #endif // COMPILER2
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	416
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	417 void VM_Version::determine_features() {
17803 31e80afe3fed 8035647: PPC64: Support for elf v2 abi. goetz parents: 14445 diff changeset	418 #if defined(ABI_ELFv2)
31e80afe3fed 8035647: PPC64: Support for elf v2 abi. goetz parents: 14445 diff changeset	419 const int code_size = (num_features+1+27)BytesPerInstWord; // TODO(asmundak): calculation is incorrect.
31e80afe3fed 8035647: PPC64: Support for elf v2 abi. goetz parents: 14445 diff changeset	420 #else
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	421 // 7 InstWords for each call (function descriptor + blr instruction).
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	422 const int code_size = (num_features+1+27)BytesPerInstWord;
17803 31e80afe3fed 8035647: PPC64: Support for elf v2 abi. goetz parents: 14445 diff changeset	423 #endif
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	424 int features = 0;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	425
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	426 // create test area
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	427 enum { BUFFER_SIZE = 24K }; // Needs to be >=2* max cache line size (cache line size can't exceed min page size).
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	428 char test_area[BUFFER_SIZE];
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	429 char *mid_of_test_area = &test_area[BUFFER_SIZE>>1];
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	430
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	431 // Allocate space for the code.
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	432 ResourceMark rm;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	433 CodeBuffer cb("detect_cpu_features", code_size, 0);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	434 MacroAssembler* a = new MacroAssembler(&cb);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	435
17807 71a71b0bc844 8037915: PPC64/AIX: Several smaller fixes goetz parents: 17803 diff changeset	436 // Must be set to true so we can generate the test code.
71a71b0bc844 8037915: PPC64/AIX: Several smaller fixes goetz parents: 17803 diff changeset	437 _features = VM_Version::all_features_m;
71a71b0bc844 8037915: PPC64/AIX: Several smaller fixes goetz parents: 17803 diff changeset	438
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	439 // Emit code.
17803 31e80afe3fed 8035647: PPC64: Support for elf v2 abi. goetz parents: 14445 diff changeset	440 void (test)(address addr, uint64_t offset)=(void()(address addr, uint64_t offset))(void *)a->function_entry();
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	441 uint32_t code = (uint32_t )a->pc();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	442 // Don't use R0 in ldarx.
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	443 // Keep R3_ARG1 unmodified, it contains &field (see below).
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	444 // Keep R4_ARG2 unmodified, it contains offset = 0 (see below).
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	445 a->fsqrt(F3, F4); // code[0] -> fsqrt_m
17807 71a71b0bc844 8037915: PPC64/AIX: Several smaller fixes goetz parents: 17803 diff changeset	446 a->fsqrts(F3, F4); // code[1] -> fsqrts_m
71a71b0bc844 8037915: PPC64/AIX: Several smaller fixes goetz parents: 17803 diff changeset	447 a->isel(R7, R5, R6, 0); // code[2] -> isel_m
71a71b0bc844 8037915: PPC64/AIX: Several smaller fixes goetz parents: 17803 diff changeset	448 a->ldarx_unchecked(R7, R3_ARG1, R4_ARG2, 1); // code[3] -> lxarx_m
71a71b0bc844 8037915: PPC64/AIX: Several smaller fixes goetz parents: 17803 diff changeset	449 a->cmpb(R7, R5, R6); // code[4] -> bcmp
71a71b0bc844 8037915: PPC64/AIX: Several smaller fixes goetz parents: 17803 diff changeset	450 //a->mftgpr(R7, F3); // code[5] -> mftgpr
71a71b0bc844 8037915: PPC64/AIX: Several smaller fixes goetz parents: 17803 diff changeset	451 a->popcntb(R7, R5); // code[6] -> popcntb
71a71b0bc844 8037915: PPC64/AIX: Several smaller fixes goetz parents: 17803 diff changeset	452 a->popcntw(R7, R5); // code[7] -> popcntw
71a71b0bc844 8037915: PPC64/AIX: Several smaller fixes goetz parents: 17803 diff changeset	453 a->fcfids(F3, F4); // code[8] -> fcfids
71a71b0bc844 8037915: PPC64/AIX: Several smaller fixes goetz parents: 17803 diff changeset	454 a->vand(VR0, VR0, VR0); // code[9] -> vand
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	455 a->blr();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	456
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	457 // Emit function to set one cache line to zero. Emit function descriptor and get pointer to it.
17803 31e80afe3fed 8035647: PPC64: Support for elf v2 abi. goetz parents: 14445 diff changeset	458 void (zero_cacheline_func_ptr)(char) = (void()(char))(void *)a->function_entry();
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	459 a->dcbz(R3_ARG1); // R3_ARG1 = addr
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	460 a->blr();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	461
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	462 uint32_t code_end = (uint32_t )a->pc();
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	463 a->flush();
17807 71a71b0bc844 8037915: PPC64/AIX: Several smaller fixes goetz parents: 17803 diff changeset	464 _features = VM_Version::unknown_m;
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	465
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	466 // Print the detection code.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	467 if (PrintAssembly) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	468 ttyLocker ttyl;
20644 327e7269f90d 8048169: Change 8037816 breaks HS build on PPC64 and CPP-Interpreter platforms coleenp parents: 17937 diff changeset	469 tty->print_cr("Decoding cpu-feature detection stub at " INTPTR_FORMAT " before execution:", p2i(code));
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	470 Disassembler::decode((u_char)code, (u_char)code_end, tty);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	471 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	472
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	473 // Measure cache line size.
14445 67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	474 memset(test_area, 0xFF, BUFFER_SIZE); // Fill test area with 0xFF.
67fa91961822 8029940: PPC64 (part 122): C2 compiler port goetz parents: 14440 diff changeset	475 (*zero_cacheline_func_ptr)(mid_of_test_area); // Call function which executes dcbz to the middle.
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	476 int count = 0; // count zeroed bytes
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	477 for (int i = 0; i < BUFFER_SIZE; i++) if (test_area[i] == 0) count++;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	478 guarantee(is_power_of_2(count), "cache line size needs to be a power of 2");
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	479 _measured_cache_line_size = count;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	480
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	481 // Execute code. Illegal instructions will be replaced by 0 in the signal handler.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	482 VM_Version::_is_determine_features_test_running = true;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	483 (*test)((address)mid_of_test_area, (uint64_t)0);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	484 VM_Version::_is_determine_features_test_running = false;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	485
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	486 // determine which instructions are legal.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	487 int feature_cntr = 0;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	488 if (code[feature_cntr++]) features \|= fsqrt_m;
17807 71a71b0bc844 8037915: PPC64/AIX: Several smaller fixes goetz parents: 17803 diff changeset	489 if (code[feature_cntr++]) features \|= fsqrts_m;
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	490 if (code[feature_cntr++]) features \|= isel_m;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	491 if (code[feature_cntr++]) features \|= lxarxeh_m;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	492 if (code[feature_cntr++]) features \|= cmpb_m;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	493 //if(code[feature_cntr++])features \|= mftgpr_m;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	494 if (code[feature_cntr++]) features \|= popcntb_m;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	495 if (code[feature_cntr++]) features \|= popcntw_m;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	496 if (code[feature_cntr++]) features \|= fcfids_m;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	497 if (code[feature_cntr++]) features \|= vand_m;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	498
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	499 // Print the detection code.
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	500 if (PrintAssembly) {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	501 ttyLocker ttyl;
20644 327e7269f90d 8048169: Change 8037816 breaks HS build on PPC64 and CPP-Interpreter platforms coleenp parents: 17937 diff changeset	502 tty->print_cr("Decoding cpu-feature detection stub at " INTPTR_FORMAT " after execution:", p2i(code));
14408 ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	503 Disassembler::decode((u_char)code, (u_char)code_end, tty);
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	504 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	505
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	506 _features = features;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	507 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	508
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	509
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	510 static int saved_features = 0;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	511
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	512 void VM_Version::allow_all() {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	513 saved_features = _features;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	514 _features = all_features_m;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	515 }
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	516
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	517 void VM_Version::revert() {
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	518 _features = saved_features;
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM. goetz parents: diff changeset	519 }

Mercurial > hg > truffle

annotate src/cpu/ppc/vm/vm_version_ppc.cpp @ 20710:c5e86c5cd22e