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annotate make/aix/makefiles/ppc64.make @ 18079:605df8463453 jdk8u25-b06

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author asaha
date Wed, 02 Jul 2014 15:42:28 -0700
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b83f7d608548 8023034: PPC64 (part 14): Implement AIX/PPC64 support in HotSpot makefiles
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1 #
b83f7d608548 8023034: PPC64 (part 14): Implement AIX/PPC64 support in HotSpot makefiles
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2 # Copyright (c) 2004, 2013, Oracle and/or its affiliates. All rights reserved.
b83f7d608548 8023034: PPC64 (part 14): Implement AIX/PPC64 support in HotSpot makefiles
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3 # Copyright 2012, 2013 SAP AG. All rights reserved.
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4 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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5 #
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6 # This code is free software; you can redistribute it and/or modify it
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7 # under the terms of the GNU General Public License version 2 only, as
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8 # published by the Free Software Foundation.
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9 #
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10 # This code is distributed in the hope that it will be useful, but WITHOUT
b83f7d608548 8023034: PPC64 (part 14): Implement AIX/PPC64 support in HotSpot makefiles
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11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
b83f7d608548 8023034: PPC64 (part 14): Implement AIX/PPC64 support in HotSpot makefiles
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12 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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13 # version 2 for more details (a copy is included in the LICENSE file that
b83f7d608548 8023034: PPC64 (part 14): Implement AIX/PPC64 support in HotSpot makefiles
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14 # accompanied this code).
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15 #
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16 # You should have received a copy of the GNU General Public License version
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17 # 2 along with this work; if not, write to the Free Software Foundation,
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18 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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19 #
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20 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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21 # or visit www.oracle.com if you need additional information or have any
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22 # questions.
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23 #
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24 #
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25
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26 # Produce 64 bits object files.
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27 CFLAGS += -q64
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28
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29 # Balanced tuning for recent versions of the POWER architecture (if supported by xlc).
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30 QTUNE=$(if $(CXX_SUPPORTS_BALANCED_TUNING),balanced,pwr5)
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31
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32 # Try to speed up the interpreter: use ppc64 instructions and inline
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33 # glue code for external functions.
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34 OPT_CFLAGS += -qarch=ppc64 -qtune=$(QTUNE) -qinlglue
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35
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36 # We need variable length arrays
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37 CFLAGS += -qlanglvl=c99vla
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38 # Just to check for unwanted macro redefinitions
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39 CFLAGS += -qlanglvl=noredefmac
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40
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41 # Suppress those "implicit private" warnings xlc gives.
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42 # - The omitted keyword "private" is assumed for base class "...".
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43 CFLAGS += -qsuppress=1540-0198
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44
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45 # Suppress the following numerous warning:
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46 # - 1540-1090 (I) The destructor of "..." might not be called.
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47 # - 1500-010: (W) WARNING in ...: Infinite loop. Program may not stop.
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48 # There are several infinite loops in the vm, suppress.
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49 CFLAGS += -qsuppress=1540-1090 -qsuppress=1500-010
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50
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51 # Suppress
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52 # - 540-1088 (W) The exception specification is being ignored.
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53 # caused by throw() in declaration of new() in nmethod.hpp.
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54 CFLAGS += -qsuppress=1540-1088
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55
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56 # Turn off floating-point optimizations that may alter program semantics
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57 OPT_CFLAGS += -qstrict
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58
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59 # Disable aggressive optimizations for functions in sharedRuntimeTrig.cpp
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60 # and sharedRuntimeTrans.cpp on ppc64.
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61 # -qstrict turns off the following optimizations:
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62 # * Performing code motion and scheduling on computations such as loads
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63 # and floating-point computations that may trigger an exception.
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64 # * Relaxing conformance to IEEE rules.
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65 # * Reassociating floating-point expressions.
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66 # When using '-qstrict' there still remains one problem
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67 # in javasoft.sqe.tests.api.java.lang.Math.sin5Tests when run in compile-all
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68 # mode, so don't optimize sharedRuntimeTrig.cpp at all.
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69 OPT_CFLAGS/sharedRuntimeTrig.o = $(OPT_CFLAGS/NOOPT)
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70 OPT_CFLAGS/sharedRuntimeTrans.o = $(OPT_CFLAGS/NOOPT)
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71
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72 # xlc 10.01 parameters for ipa compile.
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73 QIPA_COMPILE=$(if $(CXX_IS_V10),-qipa)
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74
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75 # Xlc 10.1 parameters for aggressive optimization:
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76 # - qhot=level=1: Most aggressive loop optimizations.
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77 # - qignerrno: Assume errno is not modified by system calls.
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78 # - qinline: Inline method calls. No suboptions for c++ compiles.
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79 # - qxflag=ASMMIDCOALFIX: Activate fix for -O3 problem in interpreter loop.
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80 # - qxflag=asmfastsync: Activate fix for performance problem with inline assembler with memory clobber.
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81 QV10_OPT=$(if $(CXX_IS_V10),-qxflag=ASMMIDCOALFIX -qxflag=asmfastsync)
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82 QV10_OPT_AGGRESSIVE=$(if $(CXX_IS_V10),-qhot=level=1 -qignerrno -qinline)
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83 QV10_OPT_CONSERVATIVE=$(if $(CXX_IS_V10),-qhot=level=1 -qignerrno -qinline)
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84
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85 # Disallow inlining for synchronizer.cpp, but perform O3 optimizations.
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86 OPT_CFLAGS/synchronizer.o = $(OPT_CFLAGS) -qnoinline
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87
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88 # Set all the xlC V10.1 options here.
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89 OPT_CFLAGS += $(QIPA_COMPILE) $(QV10_OPT) $(QV10_OPT_AGGRESSIVE)
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90
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91 export OBJECT_MODE=64
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92
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93 # Also build launcher as 64 bit executable.
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94 LAUNCHERFLAGS += -q64