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922d314e8f
llvm-6502/lib
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Andrew Trick 922d314e8f Instruction scheduling itinerary for Intel Atom. 
Adds an instruction itinerary to all x86 instructions, giving each a default latency of 1, using the InstrItinClass IIC_DEFAULT.

Sets specific latencies for Atom for the instructions in files X86InstrCMovSetCC.td, X86InstrArithmetic.td, X86InstrControl.td, and X86InstrShiftRotate.td. The Atom latencies for the remainder of the x86 instructions will be set in subsequent patches.

Adds a test to verify that the scheduler is working.

Also changes the scheduling preference to "Hybrid" for i386 Atom, while leaving x86_64 as ILP.

Patch by Preston Gurd!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149558 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-01 23:20:51 +00:00
..
Analysis SwitchInst refactoring. 2012-02-01 07:49:51 +00:00
Archive Avoid using an invalidated iterator. 2012-01-23 05:07:16 +00:00
AsmParser Revert Chris' commits up to r149348 that started causing VMCoreTests unit test to fail. 2012-02-01 04:51:17 +00:00
Bitcode SwitchInst refactoring. 2012-02-01 07:49:51 +00:00
CodeGen fix cmake 2012-02-01 22:28:29 +00:00
DebugInfo More dead code removal (using -Wunreachable-code) 2012-01-20 21:51:11 +00:00
ExecutionEngine SwitchInst refactoring. 2012-02-01 07:49:51 +00:00
Linker use Constant::getAggregateElement to simplify a bunch of code. 2012-01-25 06:48:06 +00:00
MC Fixed a crash in llvm-mc for Mach-O when a symbol difference expression uses a 2012-01-31 23:02:57 +00:00
Object Sink assert-only variables into the asserts 2012-01-24 19:43:30 +00:00
Support Add Triple::getMacOSXVersion to replace crufty code in the clang driver. 2012-01-31 22:32:29 +00:00
TableGen Implement String Cast from Integer 2012-01-30 20:47:04 +00:00
Target Instruction scheduling itinerary for Intel Atom. 2012-02-01 23:20:51 +00:00
Transforms SwitchInst refactoring. 2012-02-01 07:49:51 +00:00
VMCore SwitchInst refactoring. 2012-02-01 07:49:51 +00:00
CMakeLists.txt
LLVMBuild.txt LLVMBuild: Introduce a common section which currently has a list of the 2011-12-12 22:45:54 +00:00
Makefile