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History

Daniel Dunbar 51b81c9930 Provide TargetMachine implementations with reference to Target they were created from. - This commit is almost entirely propogating the reference through the TargetMachine subclasses' constructor calls. llvm-svn: 75778		2009-07-15 12:11:05 +00:00
..
AsmPrinter	Register Target's TargetMachine and AsmPrinter in the new registry.	2009-07-15 09:22:31 +00:00
TargetInfo	Add TargetInfo libraries for all targets.	2009-07-15 06:35:19 +00:00
Alpha.h	Have asm printers use formatted_raw_ostream directly to avoid a	2009-07-14 20:18:05 +00:00
Alpha.td	Move target independent td files from lib/Target/ to include/llvm/Target so they can be distributed along with the header files.	2008-11-24 07:34:46 +00:00
AlphaBranchSelector.cpp	Tidy up several unbeseeming casts from pointer to intptr_t.	2008-09-04 17:05:41 +00:00
AlphaCodeEmitter.cpp	llvm_unreachable->llvm_unreachable(0), LLVM_UNREACHABLE->llvm_unreachable.	2009-07-14 16:55:14 +00:00
AlphaInstrFormats.td	Rename isSimpleLoad to canFoldAsLoad, to better reflect its meaning.	2008-12-03 18:15:48 +00:00
AlphaInstrInfo.cpp	llvm_unreachable->llvm_unreachable(0), LLVM_UNREACHABLE->llvm_unreachable.	2009-07-14 16:55:14 +00:00
AlphaInstrInfo.h	Convert Alpha and Mips to use a MachineFunctionInfo subclass to	2009-06-03 20:30:14 +00:00
AlphaInstrInfo.td	Add an int64_t variant of abs, for host environments	2009-05-13 00:24:22 +00:00
AlphaISelDAGToDAG.cpp	Move EVER MORE stuff over to LLVMContext.	2009-07-14 23:09:55 +00:00
AlphaISelLowering.cpp	llvm_unreachable->llvm_unreachable(0), LLVM_UNREACHABLE->llvm_unreachable.	2009-07-14 16:55:14 +00:00
AlphaISelLowering.h	Add NumFixedArgs attribute to CallSDNode which indicates the number of fixed arguments in a vararg call.	2009-07-03 06:44:53 +00:00
AlphaJITInfo.cpp	llvm_unreachable->llvm_unreachable(0), LLVM_UNREACHABLE->llvm_unreachable.	2009-07-14 16:55:14 +00:00
AlphaJITInfo.h	Privatize this map.	2009-06-25 18:13:04 +00:00
AlphaLLRP.cpp	Remove non-DebugLoc versions of BuildMI from Alpha and Cell.	2009-02-13 02:30:42 +00:00
AlphaMachineFunctionInfo.h	Add explicit keywords.	2009-06-05 23:05:51 +00:00
AlphaRegisterInfo.cpp	llvm_unreachable->llvm_unreachable(0), LLVM_UNREACHABLE->llvm_unreachable.	2009-07-14 16:55:14 +00:00
AlphaRegisterInfo.h	Committed the wrong version in my last commit.	2009-06-26 00:17:05 +00:00
AlphaRegisterInfo.td	Remove attribution from file headers, per discussion on llvmdev.	2007-12-29 20:36:04 +00:00
AlphaRelocations.h	Remove attribution from file headers, per discussion on llvmdev.	2007-12-29 20:36:04 +00:00
AlphaSchedule.td	Remove attribution from file headers, per discussion on llvmdev.	2007-12-29 20:36:04 +00:00
AlphaSubtarget.cpp	Remove attribution from file headers, per discussion on llvmdev.	2007-12-29 20:36:04 +00:00
AlphaSubtarget.h	Propagate CPU string out of SubtargetFeatures	2009-05-23 19:50:50 +00:00
AlphaTargetAsmInfo.cpp	Alpha always requires global relocations to be r/w regardless of PIC.	2009-03-29 17:14:14 +00:00
AlphaTargetAsmInfo.h	Alpha always requires global relocations to be r/w regardless of PIC.	2009-03-29 17:14:14 +00:00
AlphaTargetMachine.cpp	Provide TargetMachine implementations with reference to Target they were created	2009-07-15 12:11:05 +00:00
AlphaTargetMachine.h	Provide TargetMachine implementations with reference to Target they were created	2009-07-15 12:11:05 +00:00
CMakeLists.txt	CMake build fixes, from Xerxes Ranby	2009-07-02 18:53:52 +00:00
Makefile	Add TargetInfo libraries for all targets.	2009-07-15 06:35:19 +00:00
README.txt	Readme	2007-03-31 15:05:44 +00:00

README.txt

***

add gcc builtins for alpha instructions


***

custom expand byteswap into nifty 
extract/insert/mask byte/word/longword/quadword low/high
sequences

***

see if any of the extract/insert/mask operations can be added

***

match more interesting things for cmovlbc cmovlbs (move if low bit clear/set)

***

lower srem and urem

remq(i,j):  i - (j * divq(i,j)) if j != 0
remqu(i,j): i - (j * divqu(i,j)) if j != 0
reml(i,j):  i - (j * divl(i,j)) if j != 0
remlu(i,j): i - (j * divlu(i,j)) if j != 0

***

add crazy vector instructions (MVI):

(MIN|MAX)(U|S)(B8|W4) min and max, signed and unsigned, byte and word
PKWB, UNPKBW pack/unpack word to byte
PKLB UNPKBL pack/unpack long to byte
PERR pixel error (sum accross bytes of bytewise abs(i8v8 a - i8v8 b))

cmpbytes bytewise cmpeq of i8v8 a and i8v8 b (not part of MVI extentions)

this has some good examples for other operations that can be synthesised well 
from these rather meager vector ops (such as saturating add).
http://www.alphalinux.org/docs/MVI-full.html