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llvm-6502/lib/Target/X86
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Chris Lattner 667ea024b5 Codegen sub C, X a little bit better for register pressure. Instead of 
mov REG, C
sub REG, X

generate:

neg X
add X, C

which uses one less reg


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14213 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-18 00:50:37 +00:00
..
.cvsignore Tell CVS to ignore all .inc files 2003-08-03 15:50:17 +00:00
FloatingPoint.cpp Fix bug in previous checkin 2004-06-11 05:22:44 +00:00
InstSelectPattern.cpp Clean up a lot of the code I added yesterday by exposing the IntrinsicLowering 2003-12-28 21:23:38 +00:00
InstSelectSimple.cpp Codegen sub C, X a little bit better for register pressure. Instead of 2004-06-18 00:50:37 +00:00
Makefile Tablgen files for really simple instruction selector 2004-04-06 19:34:00 +00:00
PeepholeOptimizer.cpp Convert to the new TargetMachine interface. 2004-06-02 05:55:25 +00:00
Printer.cpp Rename Type::PrimitiveID to TypeId and ::getPrimitiveID() to ::getTypeID() 2004-06-17 18:19:28 +00:00
X86.h Tablgen files for really simple instruction selector 2004-04-06 19:34:00 +00:00
X86.td Add support for the printImplicitDefsBefore flag 2004-04-13 17:18:39 +00:00
X86AsmPrinter.cpp Rename Type::PrimitiveID to TypeId and ::getPrimitiveID() to ::getTypeID() 2004-06-17 18:19:28 +00:00
X86CodeEmitter.cpp Convert to the new TargetMachine interface. 2004-06-02 05:55:25 +00:00
X86FloatingPoint.cpp Fix bug in previous checkin 2004-06-11 05:22:44 +00:00
X86InstrBuilder.h Add assertion for scale verification. 2004-03-04 18:05:02 +00:00
X86InstrInfo.cpp A big X86 instruction rename. The instructions are renamed to make 2004-02-29 08:50:03 +00:00
X86InstrInfo.h Introduce a new FP instruction type to separate the compare cases from the 2004-06-11 04:41:24 +00:00
X86InstrInfo.td No really, these are dead now 2004-06-11 04:50:14 +00:00
X86InstrSel.td Tablgen files for really simple instruction selector 2004-04-06 19:34:00 +00:00
X86InstrSelInfo.td Tablgen files for really simple instruction selector 2004-04-06 19:34:00 +00:00
X86ISelPattern.cpp Clean up a lot of the code I added yesterday by exposing the IntrinsicLowering 2003-12-28 21:23:38 +00:00
X86ISelSimple.cpp Codegen sub C, X a little bit better for register pressure. Instead of 2004-06-18 00:50:37 +00:00
X86JITInfo.h Clean up a lot of the code I added yesterday by exposing the IntrinsicLowering 2003-12-28 21:23:38 +00:00
X86PeepholeOpt.cpp Convert to the new TargetMachine interface. 2004-06-02 05:55:25 +00:00
X86RegisterInfo.cpp Rename Type::PrimitiveID to TypeId and ::getPrimitiveID() to ::getTypeID() 2004-06-17 18:19:28 +00:00
X86RegisterInfo.h Another API change to MRegisterInfo::foldMemoryOperand. Instead of a 2004-03-14 20:14:27 +00:00
X86RegisterInfo.td Improve allocation order: 2004-02-29 09:17:01 +00:00
X86SimpInstrSelector.cpp Rename Type::PrimitiveID to TypeId and ::getPrimitiveID() to ::getTypeID() 2004-06-17 18:19:28 +00:00
X86TargetMachine.cpp Fix the fixed stack offset, patch contributed by Vladimir Prus 2004-06-10 06:19:25 +00:00
X86TargetMachine.h Convert to the new TargetMachine interface. 2004-06-02 05:55:25 +00:00