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Subject: [Boost-commit] svn:boost r84221 - trunk/tools/build/v2/tools
From: andrey.semashev_at_[hidden]
Date: 2013-05-10 08:24:36


Author: andysem
Date: 2013-05-10 08:24:34 EDT (Fri, 10 May 2013)
New Revision: 84221
URL: http://svn.boost.org/trac/boost/changeset/84221

Log:
By default, when 32 bit x86 build is requested, i686 instruction set is chosen now. i386 instruction set removed since de facto it is not supported by some core libraries (Boost.Atomic and Boost.SmartPtr) and major operating systems. The minimum 32 bit x86 instruction set is i486 now. Also added a few more instruction sets that appeared in recent CPUs.
Text files modified:
   trunk/tools/build/v2/tools/builtin.jam | 11 ++++++-----
   trunk/tools/build/v2/tools/builtin.py | 11 ++++++-----
   trunk/tools/build/v2/tools/gcc.jam | 35 ++++++++++++++++++++++++++++++++---
   trunk/tools/build/v2/tools/gcc.py | 35 +++++++++++++++++++++++++++++++++--
   trunk/tools/build/v2/tools/intel-darwin.jam | 13 ++++++++++---
   trunk/tools/build/v2/tools/msvc.jam | 11 ++++++-----
   trunk/tools/build/v2/tools/msvc.py | 10 +++++-----
   7 files changed, 98 insertions(+), 28 deletions(-)

Modified: trunk/tools/build/v2/tools/builtin.jam
==============================================================================
--- trunk/tools/build/v2/tools/builtin.jam (original)
+++ trunk/tools/build/v2/tools/builtin.jam 2013-05-10 08:24:34 EDT (Fri, 10 May 2013)
@@ -272,11 +272,12 @@
 # The specific instruction set in an architecture to compile.
 feature.feature instruction-set :
     # x86 and x86-64
- native i386 i486 i586 i686 pentium pentium-mmx pentiumpro pentium2 pentium3
- pentium3m pentium-m pentium4 pentium4m prescott nocona core2 conroe conroe-xe
- conroe-l allendale mermon mermon-xe kentsfield kentsfield-xe penryn wolfdale
- yorksfield nehalem k6 k6-2 k6-3 athlon athlon-tbird athlon-4 athlon-xp
- athlon-mp k8 opteron athlon64 athlon-fx winchip-c6 winchip2 c3 c3-2
+ native i486 i586 i686 pentium pentium-mmx pentiumpro pentium2 pentium3
+ pentium3m pentium-m pentium4 pentium4m prescott nocona core2 corei7 corei7-avx core-avx-i
+ conroe conroe-xe conroe-l allendale merom merom-xe kentsfield kentsfield-xe penryn wolfdale
+ yorksfield nehalem sandy-bridge ivy-bridge haswell k6 k6-2 k6-3 athlon athlon-tbird athlon-4 athlon-xp
+ athlon-mp k8 opteron athlon64 athlon-fx k8-sse3 opteron-sse3 athlon64-sse3 amdfam10 barcelona
+ bdver1 bdver2 bdver3 btver1 btver2 winchip-c6 winchip2 c3 c3-2 atom
 
     # ia64
     itanium itanium1 merced itanium2 mckinley

Modified: trunk/tools/build/v2/tools/builtin.py
==============================================================================
--- trunk/tools/build/v2/tools/builtin.py (original)
+++ trunk/tools/build/v2/tools/builtin.py 2013-05-10 08:24:34 EDT (Fri, 10 May 2013)
@@ -267,11 +267,12 @@
     # The specific instruction set in an architecture to compile.
     feature.feature('instruction-set', [
         # x86 and x86-64
- 'i386', 'i486', 'i586', 'i686', 'pentium', 'pentium-mmx', 'pentiumpro', 'pentium2', 'pentium3',
- 'pentium3m', 'pentium-m', 'pentium4', 'pentium4m', 'prescott', 'nocona', 'conroe', 'conroe-xe',
- 'conroe-l', 'allendale', 'mermon', 'mermon-xe', 'kentsfield', 'kentsfield-xe', 'penryn', 'wolfdale',
- 'yorksfield', 'nehalem', 'k6', 'k6-2', 'k6-3', 'athlon', 'athlon-tbird', 'athlon-4', 'athlon-xp',
- 'athlon-mp', 'k8', 'opteron', 'athlon64', 'athlon-fx', 'winchip-c6', 'winchip2', 'c3', 'c3-2',
+ 'native', 'i486', 'i586', 'i686', 'pentium', 'pentium-mmx', 'pentiumpro', 'pentium2', 'pentium3',
+ 'pentium3m', 'pentium-m', 'pentium4', 'pentium4m', 'prescott', 'nocona', 'core2', 'corei7', 'corei7-avx', 'core-avx-i',
+ 'conroe', 'conroe-xe', 'conroe-l', 'allendale', 'merom', 'merom-xe', 'kentsfield', 'kentsfield-xe', 'penryn', 'wolfdale',
+ 'yorksfield', 'nehalem', 'sandy-bridge', 'ivy-bridge', 'haswell', 'k6', 'k6-2', 'k6-3', 'athlon', 'athlon-tbird', 'athlon-4', 'athlon-xp',
+ 'athlon-mp', 'k8', 'opteron', 'athlon64', 'athlon-fx', 'k8-sse3', 'opteron-sse3', 'athlon64-sse3', 'amdfam10', 'barcelona',
+ 'bdver1', 'bdver2', 'bdver3', 'btver1', 'btver2', 'winchip-c6', 'winchip2', 'c3', 'c3-2', 'atom',
 
         # ia64
         'itanium', 'itanium1', 'merced', 'itanium2', 'mckinley',

Modified: trunk/tools/build/v2/tools/gcc.jam
==============================================================================
--- trunk/tools/build/v2/tools/gcc.jam (original)
+++ trunk/tools/build/v2/tools/gcc.jam 2013-05-10 08:24:34 EDT (Fri, 10 May 2013)
@@ -1066,10 +1066,9 @@
 #
 # x86 and compatible
 # The 'native' option appeared in gcc 4.2 so we cannot safely use it as default.
-# Use conservative i386 instead for 32-bit.
-toolset.flags gcc OPTIONS <architecture>x86/<address-model>32/<instruction-set> : -march=i386 ;
+# Use i686 instead for 32-bit.
+toolset.flags gcc OPTIONS <architecture>x86/<address-model>32/<instruction-set> : -march=i686 ;
 cpu-flags gcc OPTIONS : x86 : native : -march=native ;
-cpu-flags gcc OPTIONS : x86 : i386 : -march=i386 ;
 cpu-flags gcc OPTIONS : x86 : i486 : -march=i486 ;
 cpu-flags gcc OPTIONS : x86 : i586 : -march=i586 ;
 cpu-flags gcc OPTIONS : x86 : i686 : -march=i686 ;
@@ -1085,6 +1084,24 @@
 cpu-flags gcc OPTIONS : x86 : prescott : -march=prescott ;
 cpu-flags gcc OPTIONS : x86 : nocona : -march=nocona ;
 cpu-flags gcc OPTIONS : x86 : core2 : -march=core2 ;
+cpu-flags gcc OPTIONS : x86 : conroe : -march=core2 ;
+cpu-flags gcc OPTIONS : x86 : conroe-xe : -march=core2 ;
+cpu-flags gcc OPTIONS : x86 : conroe-l : -march=core2 ;
+cpu-flags gcc OPTIONS : x86 : allendale : -march=core2 ;
+cpu-flags gcc OPTIONS : x86 : wolfdale : -march=core2 -msse4.1 ;
+cpu-flags gcc OPTIONS : x86 : merom : -march=core2 ;
+cpu-flags gcc OPTIONS : x86 : merom-xe : -march=core2 ;
+cpu-flags gcc OPTIONS : x86 : kentsfield : -march=core2 ;
+cpu-flags gcc OPTIONS : x86 : kentsfield-xe : -march=core2 ;
+cpu-flags gcc OPTIONS : x86 : yorksfield : -march=core2 ;
+cpu-flags gcc OPTIONS : x86 : penryn : -march=core2 ;
+cpu-flags gcc OPTIONS : x86 : corei7 : -march=corei7 ;
+cpu-flags gcc OPTIONS : x86 : nehalem : -march=corei7 ;
+cpu-flags gcc OPTIONS : x86 : corei7-avx : -march=corei7-avx ;
+cpu-flags gcc OPTIONS : x86 : sandy-bridge : -march=corei7-avx ;
+cpu-flags gcc OPTIONS : x86 : core-avx-i : -march=core-avx-i ;
+cpu-flags gcc OPTIONS : x86 : ivy-bridge : -march=core-avx-i ;
+cpu-flags gcc OPTIONS : x86 : haswell : -march=core-avx-i -mavx2 -mfma -mbmi -mbmi2 -mlzcnt ;
 cpu-flags gcc OPTIONS : x86 : k6 : -march=k6 ;
 cpu-flags gcc OPTIONS : x86 : k6-2 : -march=k6-2 ;
 cpu-flags gcc OPTIONS : x86 : k6-3 : -march=k6-3 ;
@@ -1098,10 +1115,22 @@
 cpu-flags gcc OPTIONS : x86 : opteron : -march=opteron ;
 cpu-flags gcc OPTIONS : x86 : athlon64 : -march=athlon64 ;
 cpu-flags gcc OPTIONS : x86 : athlon-fx : -march=athlon-fx ;
+cpu-flags gcc OPTIONS : x86 : k8-sse3 : -march=k8-sse3 ;
+cpu-flags gcc OPTIONS : x86 : opteron-sse3 : -march=opteron-sse3 ;
+cpu-flags gcc OPTIONS : x86 : athlon64-sse3 : -march=athlon64-sse3 ;
+cpu-flags gcc OPTIONS : x86 : amdfam10 : -march=amdfam10 ;
+cpu-flags gcc OPTIONS : x86 : barcelona : -march=barcelona ;
+cpu-flags gcc OPTIONS : x86 : bdver1 : -march=bdver1 ;
+cpu-flags gcc OPTIONS : x86 : bdver2 : -march=bdver2 ;
+cpu-flags gcc OPTIONS : x86 : bdver3 : -march=bdver3 ;
+cpu-flags gcc OPTIONS : x86 : btver1 : -march=btver1 ;
+cpu-flags gcc OPTIONS : x86 : btver2 : -march=btver2 ;
 cpu-flags gcc OPTIONS : x86 : winchip-c6 : -march=winchip-c6 ;
 cpu-flags gcc OPTIONS : x86 : winchip2 : -march=winchip2 ;
 cpu-flags gcc OPTIONS : x86 : c3 : -march=c3 ;
 cpu-flags gcc OPTIONS : x86 : c3-2 : -march=c3-2 ;
+##
+cpu-flags gcc OPTIONS : x86 : atom : -march=atom ;
 # Sparc
 cpu-flags gcc OPTIONS : sparc : c3 : -mcpu=c3 : default ;
 cpu-flags gcc OPTIONS : sparc : v7 : -mcpu=v7 ;

Modified: trunk/tools/build/v2/tools/gcc.py
==============================================================================
--- trunk/tools/build/v2/tools/gcc.py (original)
+++ trunk/tools/build/v2/tools/gcc.py 2013-05-10 08:24:34 EDT (Fri, 10 May 2013)
@@ -711,10 +711,10 @@
 # x86 and compatible
 flags('gcc', 'OPTIONS', ['<architecture>x86/<address-model>32'], ['-m32'])
 flags('gcc', 'OPTIONS', ['<architecture>x86/<address-model>64'], ['-m64'])
-cpu_flags('gcc', 'OPTIONS', 'x86', 'i386', ['-march=i386'], default=True)
+cpu_flags('gcc', 'OPTIONS', 'x86', 'native', ['-march=native'])
 cpu_flags('gcc', 'OPTIONS', 'x86', 'i486', ['-march=i486'])
 cpu_flags('gcc', 'OPTIONS', 'x86', 'i586', ['-march=i586'])
-cpu_flags('gcc', 'OPTIONS', 'x86', 'i686', ['-march=i686'])
+cpu_flags('gcc', 'OPTIONS', 'x86', 'i686', ['-march=i686'], default=True)
 cpu_flags('gcc', 'OPTIONS', 'x86', 'pentium', ['-march=pentium'])
 cpu_flags('gcc', 'OPTIONS', 'x86', 'pentium-mmx', ['-march=pentium-mmx'])
 cpu_flags('gcc', 'OPTIONS', 'x86', 'pentiumpro', ['-march=pentiumpro'])
@@ -726,6 +726,25 @@
 cpu_flags('gcc', 'OPTIONS', 'x86', 'pentium4m', ['-march=pentium4m'])
 cpu_flags('gcc', 'OPTIONS', 'x86', 'prescott', ['-march=prescott'])
 cpu_flags('gcc', 'OPTIONS', 'x86', 'nocona', ['-march=nocona'])
+cpu_flags('gcc', 'OPTIONS', 'x86', 'core2', ['-march=core2'])
+cpu_flags('gcc', 'OPTIONS', 'x86', 'conroe', ['-march=core2'])
+cpu_flags('gcc', 'OPTIONS', 'x86', 'conroe-xe', ['-march=core2'])
+cpu_flags('gcc', 'OPTIONS', 'x86', 'conroe-l', ['-march=core2'])
+cpu_flags('gcc', 'OPTIONS', 'x86', 'allendale', ['-march=core2'])
+cpu_flags('gcc', 'OPTIONS', 'x86', 'wolfdale', ['-march=core2', '-msse4.1'])
+cpu_flags('gcc', 'OPTIONS', 'x86', 'merom', ['-march=core2'])
+cpu_flags('gcc', 'OPTIONS', 'x86', 'merom-xe', ['-march=core2'])
+cpu_flags('gcc', 'OPTIONS', 'x86', 'kentsfield', ['-march=core2'])
+cpu_flags('gcc', 'OPTIONS', 'x86', 'kentsfield-xe', ['-march=core2'])
+cpu_flags('gcc', 'OPTIONS', 'x86', 'yorksfield', ['-march=core2'])
+cpu_flags('gcc', 'OPTIONS', 'x86', 'penryn', ['-march=core2'])
+cpu_flags('gcc', 'OPTIONS', 'x86', 'corei7', ['-march=corei7'])
+cpu_flags('gcc', 'OPTIONS', 'x86', 'nehalem', ['-march=corei7'])
+cpu_flags('gcc', 'OPTIONS', 'x86', 'corei7-avx', ['-march=corei7-avx'])
+cpu_flags('gcc', 'OPTIONS', 'x86', 'sandy-bridge', ['-march=corei7-avx'])
+cpu_flags('gcc', 'OPTIONS', 'x86', 'core-avx-i', ['-march=core-avx-i'])
+cpu_flags('gcc', 'OPTIONS', 'x86', 'ivy-bridge', ['-march=core-avx-i'])
+cpu_flags('gcc', 'OPTIONS', 'x86', 'haswell', ['-march=core-avx-i', '-mavx2', '-mfma', '-mbmi', '-mbmi2', '-mlzcnt'])
 cpu_flags('gcc', 'OPTIONS', 'x86', 'k6', ['-march=k6'])
 cpu_flags('gcc', 'OPTIONS', 'x86', 'k6-2', ['-march=k6-2'])
 cpu_flags('gcc', 'OPTIONS', 'x86', 'k6-3', ['-march=k6-3'])
@@ -739,10 +758,22 @@
 cpu_flags('gcc', 'OPTIONS', 'x86', 'opteron', ['-march=opteron'])
 cpu_flags('gcc', 'OPTIONS', 'x86', 'athlon64', ['-march=athlon64'])
 cpu_flags('gcc', 'OPTIONS', 'x86', 'athlon-fx', ['-march=athlon-fx'])
+cpu_flags('gcc', 'OPTIONS', 'x86', 'k8-sse3', ['-march=k8-sse3'])
+cpu_flags('gcc', 'OPTIONS', 'x86', 'opteron-sse3', ['-march=opteron-sse3'])
+cpu_flags('gcc', 'OPTIONS', 'x86', 'athlon64-sse3', ['-march=athlon64-sse3'])
+cpu_flags('gcc', 'OPTIONS', 'x86', 'amdfam10', ['-march=amdfam10'])
+cpu_flags('gcc', 'OPTIONS', 'x86', 'barcelona', ['-march=barcelona'])
+cpu_flags('gcc', 'OPTIONS', 'x86', 'bdver1', ['-march=bdver1'])
+cpu_flags('gcc', 'OPTIONS', 'x86', 'bdver2', ['-march=bdver2'])
+cpu_flags('gcc', 'OPTIONS', 'x86', 'bdver3', ['-march=bdver3'])
+cpu_flags('gcc', 'OPTIONS', 'x86', 'btver1', ['-march=btver1'])
+cpu_flags('gcc', 'OPTIONS', 'x86', 'btver2', ['-march=btver2'])
 cpu_flags('gcc', 'OPTIONS', 'x86', 'winchip-c6', ['-march=winchip-c6'])
 cpu_flags('gcc', 'OPTIONS', 'x86', 'winchip2', ['-march=winchip2'])
 cpu_flags('gcc', 'OPTIONS', 'x86', 'c3', ['-march=c3'])
 cpu_flags('gcc', 'OPTIONS', 'x86', 'c3-2', ['-march=c3-2'])
+##
+cpu_flags('gcc', 'OPTIONS', 'x86', 'atom', ['-march=atom'])
 # Sparc
 flags('gcc', 'OPTIONS', ['<architecture>sparc/<address-model>32'], ['-m32'])
 flags('gcc', 'OPTIONS', ['<architecture>sparc/<address-model>64'], ['-m64'])

Modified: trunk/tools/build/v2/tools/intel-darwin.jam
==============================================================================
--- trunk/tools/build/v2/tools/intel-darwin.jam (original)
+++ trunk/tools/build/v2/tools/intel-darwin.jam 2013-05-10 08:24:34 EDT (Fri, 10 May 2013)
@@ -132,9 +132,16 @@
 flags intel-darwin.compile OPTIONS <optimization>space : -O1 ; # no specific space optimization flag in icc
 
 #
-cpu-type-em64t = prescott nocona ;
-flags intel-darwin.compile OPTIONS <instruction-set>$(cpu-type-em64t)/<address-model>32 : -m32 ; # -mcmodel=small ;
-flags intel-darwin.compile OPTIONS <instruction-set>$(cpu-type-em64t)/<address-model>64 : -m64 ; # -mcmodel=large ;
+.cpu-type-em64t = prescott nocona core2 corei7 corei7-avx core-avx-i
+ conroe conroe-xe conroe-l allendale merom
+ merom-xe kentsfield kentsfield-xe penryn wolfdale
+ yorksfield nehalem sandy-bridge ivy-bridge haswell ;
+.cpu-type-amd64 = k8 opteron athlon64 athlon-fx k8-sse3 opteron-sse3
+ athlon64-sse3 amdfam10 barcelona bdver1 bdver2 bdver3 btver1 btver2 ;
+.cpu-type-x86-64 = $(.cpu-type-em64t) $(.cpu-type-amd64) ;
+
+flags intel-darwin.compile OPTIONS <instruction-set>$(.cpu-type-x86-64)/<address-model>32 : -m32 ; # -mcmodel=small ;
+flags intel-darwin.compile OPTIONS <instruction-set>$(.cpu-type-x86-64)/<address-model>64 : -m64 ; # -mcmodel=large ;
 
 flags intel-darwin.compile.c OPTIONS <warnings>off : -w0 ;
 flags intel-darwin.compile.c OPTIONS <warnings>on : -w1 ;

Modified: trunk/tools/build/v2/tools/msvc.jam
==============================================================================
--- trunk/tools/build/v2/tools/msvc.jam (original)
+++ trunk/tools/build/v2/tools/msvc.jam 2013-05-10 08:24:34 EDT (Fri, 10 May 2013)
@@ -234,7 +234,6 @@
         toolset.flags $(toolset).compile CFLAGS $(conditions)/<optimization>space : /Os ;
 
         toolset.flags $(toolset).compile CFLAGS $(conditions)/$(.cpu-arch-i386)/<instruction-set> : /GB ;
- toolset.flags $(toolset).compile CFLAGS $(conditions)/$(.cpu-arch-i386)/<instruction-set>i386 : /G3 ;
         toolset.flags $(toolset).compile CFLAGS $(conditions)/$(.cpu-arch-i386)/<instruction-set>i486 : /G4 ;
         toolset.flags $(toolset).compile CFLAGS $(conditions)/$(.cpu-arch-i386)/<instruction-set>$(.cpu-type-g5) : /G5 ;
         toolset.flags $(toolset).compile CFLAGS $(conditions)/$(.cpu-arch-i386)/<instruction-set>$(.cpu-type-g6) : /G6 ;
@@ -1373,10 +1372,12 @@
 .cpu-type-g5 = i586 pentium pentium-mmx ;
 .cpu-type-g6 = i686 pentiumpro pentium2 pentium3 pentium3m pentium-m k6
                      k6-2 k6-3 winchip-c6 winchip2 c3 c3-2 ;
-.cpu-type-em64t = prescott nocona conroe conroe-xe conroe-l allendale mermon
- mermon-xe kentsfield kentsfield-xe penryn wolfdale
- yorksfield nehalem ;
-.cpu-type-amd64 = k8 opteron athlon64 athlon-fx ;
+.cpu-type-em64t = prescott nocona core2 corei7 corei7-avx core-avx-i
+ conroe conroe-xe conroe-l allendale merom
+ merom-xe kentsfield kentsfield-xe penryn wolfdale
+ yorksfield nehalem sandy-bridge ivy-bridge haswell ;
+.cpu-type-amd64 = k8 opteron athlon64 athlon-fx k8-sse3 opteron-sse3
+ athlon64-sse3 amdfam10 barcelona bdver1 bdver2 bdver3 btver1 btver2 ;
 .cpu-type-g7 = pentium4 pentium4m athlon athlon-tbird athlon-4 athlon-xp
                      athlon-mp $(.cpu-type-em64t) $(.cpu-type-amd64) ;
 .cpu-type-itanium = itanium itanium1 merced ;

Modified: trunk/tools/build/v2/tools/msvc.py
==============================================================================
--- trunk/tools/build/v2/tools/msvc.py (original)
+++ trunk/tools/build/v2/tools/msvc.py 2013-05-10 08:24:34 EDT (Fri, 10 May 2013)
@@ -176,7 +176,6 @@
 
         cpu_arch_i386_cond = extend_conditions(conditions, __cpu_arch_i386)
         toolset.flags('{}.compile'.format(toolset_arg), 'CFLAGS', extend_conditions(cpu_arch_i386_cond,['<instruction-set>']),['/GB'])
- toolset.flags('{}.compile'.format(toolset_arg), 'CFLAGS', extend_conditions(cpu_arch_i386_cond,['<instruction-set>i386']),['/G3'])
         toolset.flags('{}.compile'.format(toolset_arg), 'CFLAGS', extend_conditions(cpu_arch_i386_cond,['<instruction-set>i486']),['/G4'])
 
         toolset.flags('{}.compile'.format(toolset_arg), 'CFLAGS', extend_conditions(cpu_arch_i386_cond,['<instruction-set>' + t for t in __cpu_type_g5]), ['/G5'])
@@ -1145,10 +1144,11 @@
 __cpu_type_g5 = ['i586', 'pentium', 'pentium-mmx' ]
 __cpu_type_g6 = ['i686', 'pentiumpro', 'pentium2', 'pentium3', 'pentium3m', 'pentium-m', 'k6',
                       'k6-2', 'k6-3', 'winchip-c6', 'winchip2', 'c3', 'c3-2' ]
-__cpu_type_em64t = ['prescott', 'nocona', 'conroe', 'conroe-xe', 'conroe-l', 'allendale', 'mermon',
- 'mermon-xe', 'kentsfield', 'kentsfield-xe', 'penryn', 'wolfdale',
- 'yorksfield', 'nehalem' ]
-__cpu_type_amd64 = ['k8', 'opteron', 'athlon64', 'athlon-fx']
+__cpu_type_em64t = ['prescott', 'nocona', 'core2', 'corei7', 'corei7-avx', 'core-avx-i', 'conroe', 'conroe-xe', 'conroe-l', 'allendale', 'merom',
+ 'merom-xe', 'kentsfield', 'kentsfield-xe', 'penryn', 'wolfdale',
+ 'yorksfield', 'nehalem', 'sandy-bridge', 'ivy-bridge', 'haswell' ]
+__cpu_type_amd64 = ['k8', 'opteron', 'athlon64', 'athlon-fx', 'k8-sse3', 'opteron-sse3', 'athlon64-sse3', 'amdfam10', 'barcelona',
+ 'bdver1', 'bdver2', 'bdver3', 'btver1', 'btver2' ]
 __cpu_type_g7 = ['pentium4', 'pentium4m', 'athlon', 'athlon-tbird', 'athlon-4', 'athlon-xp'
                       'athlon-mp'] + __cpu_type_em64t + __cpu_type_amd64
 __cpu_type_itanium = ['itanium', 'itanium1', 'merced']


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