Evan Cheng 376642ed62 Some enhancements for memcpy / memset inline expansion. ... 1. Teach it to use overlapping unaligned load / store to copy / set the trailing bytes. e.g. On 86, use two pairs of movups / movaps for 17 - 31 byte copies. 2. Use f64 for memcpy / memset on targets where i64 is not legal but f64 is. e.g. x86 and ARM. 3. When memcpy from a constant string, do *not* replace the load with a constant if it's not possible to materialize an integer immediate with a single instruction (required a new target hook: TLI.isIntImmLegal()). 4. Use unaligned load / stores more aggressively if target hooks indicates they are "fast". 5. Update ARM target hooks to use unaligned load / stores. e.g. vld1.8 / vst1.8. Also increase the threshold to something reasonable (8 for memset, 4 pairs for memcpy). This significantly improves Dhrystone, up to 50% on ARM iOS devices. rdar://12760078 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169791 91177308-0d34-0410-b5e6-96231b3b80d8		2012-12-10 23:21:26 +00:00
..
AsmParser
Disassembler
InstPrinter	[CMake] Update dependencies to intrinsics_gen corresponding to r169711.	2012-12-10 05:27:15 +00:00
MCTargetDesc	[mips] Set HWEncoding field of registers. Use delete function	2012-12-10 20:04:40 +00:00
TargetInfo
CMakeLists.txt
LLVMBuild.txt
Makefile
Mips16FrameLowering.cpp
Mips16FrameLowering.h
Mips16InstrFormats.td
Mips16InstrInfo.cpp
Mips16InstrInfo.h
Mips16InstrInfo.td
Mips16RegisterInfo.cpp
Mips16RegisterInfo.h
Mips64InstrInfo.td	[mips] Delete nodes and instructions for dynamic alloca that are no longer in	2012-12-07 03:10:18 +00:00
Mips.h
Mips.td	[mips] Delete unused sub-target features.	2012-12-07 03:04:05 +00:00
MipsAnalyzeImmediate.cpp
MipsAnalyzeImmediate.h
MipsAsmPrinter.cpp	[mips] Set HWEncoding field of registers. Use delete function	2012-12-10 20:04:40 +00:00
MipsAsmPrinter.h
MipsCallingConv.td
MipsCodeEmitter.cpp	[mips] Set HWEncoding field of registers. Use delete function	2012-12-10 20:04:40 +00:00
MipsCondMov.td	[mips] Shorten predicate name.	2012-12-07 03:06:09 +00:00
MipsDelaySlotFiller.cpp	Use the new MIBundleBuilder class in the Mips target.	2012-12-07 04:23:40 +00:00
MipsDSPInstrFormats.td
MipsDSPInstrInfo.td
MipsFrameLowering.cpp
MipsFrameLowering.h
MipsInstrFormats.td	[mips] Shorten predicate name.	2012-12-07 03:06:09 +00:00
MipsInstrFPU.td	[mips] Shorten predicate name.	2012-12-07 03:06:09 +00:00
MipsInstrInfo.cpp
MipsInstrInfo.h
MipsInstrInfo.td	[mips] Delete nodes and instructions for dynamic alloca that are no longer in	2012-12-07 03:10:18 +00:00
MipsISelDAGToDAG.cpp
MipsISelLowering.cpp	Some enhancements for memcpy / memset inline expansion.	2012-12-10 23:21:26 +00:00
MipsISelLowering.h	Some enhancements for memcpy / memset inline expansion.	2012-12-10 23:21:26 +00:00
MipsJITInfo.cpp
MipsJITInfo.h
MipsLongBranch.cpp	Use the new MIBundleBuilder class in the Mips target.	2012-12-07 04:23:40 +00:00
MipsMachineFunction.cpp
MipsMachineFunction.h
MipsMCInstLower.cpp
MipsMCInstLower.h
MipsRegisterInfo.cpp
MipsRegisterInfo.h
MipsRegisterInfo.td	[mips] Set HWEncoding field of registers. Use delete function	2012-12-10 20:04:40 +00:00
MipsRelocations.h
MipsSchedule.td
MipsSEFrameLowering.cpp
MipsSEFrameLowering.h
MipsSEInstrInfo.cpp
MipsSEInstrInfo.h
MipsSelectionDAGInfo.cpp
MipsSelectionDAGInfo.h
MipsSERegisterInfo.cpp
MipsSERegisterInfo.h
MipsSubtarget.cpp	[mips] Delete unused sub-target features.	2012-12-07 03:04:05 +00:00
MipsSubtarget.h	[mips] Delete unused sub-target features.	2012-12-07 03:04:05 +00:00
MipsTargetMachine.cpp
MipsTargetMachine.h
MipsTargetObjectFile.cpp
MipsTargetObjectFile.h