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llvm/lib/Target/Alpha
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Wesley Peck bf17cfa3f9 Renaming ISD::BIT_CONVERT to ISD::BITCAST to better reflect the LLVM IR concept. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119990 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23 03:31:01 +00:00
..
TargetInfo make -fno-rtti the default unless a directory builds with REQUIRES_RTTI. 2010-01-24 20:43:08 +00:00
Alpha.h First step of huge frame-related refactoring: move emit{Prologue,Epilogue} out of TargetRegisterInfo to TargetFrameInfo, which is definitely much better suitable place 2010-11-15 00:06:54 +00:00
Alpha.td Replace TSFlagsFields and TSFlagsShifts with a simpler TSFlags field. 2010-04-05 03:10:20 +00:00
AlphaAsmPrinter.cpp move all the target's asmprinters into the main target. The piece 2010-11-14 18:43:56 +00:00
AlphaBranchSelector.cpp Reapply r110396, with fixes to appease the Linux buildbot gods. 2010-08-06 18:33:48 +00:00
AlphaCallingConv.td Fix PR6444, note still doesn't compile libgcc2 all the way, but fixes that error. May not fix it in an ABI complient way. It wasn't clear what gcc does 2010-03-03 20:15:31 +00:00
AlphaFrameInfo.cpp Move hasFP() and few related hooks to TargetFrameInfo. 2010-11-18 21:19:35 +00:00
AlphaFrameInfo.h Move hasFP() and few related hooks to TargetFrameInfo. 2010-11-18 21:19:35 +00:00
AlphaInstrFormats.td Remove isTwoAddress from Alpha. 2010-06-21 18:48:55 +00:00
AlphaInstrInfo.cpp Remove the isMoveInstr() hook. 2010-07-16 22:35:46 +00:00
AlphaInstrInfo.h Remove the isMoveInstr() hook. 2010-07-16 22:35:46 +00:00
AlphaInstrInfo.td Remove isTwoAddress from Alpha. 2010-06-21 18:48:55 +00:00
AlphaISelDAGToDAG.cpp zap dead code. 2010-09-04 18:12:00 +00:00
AlphaISelLowering.cpp Renaming ISD::BIT_CONVERT to ISD::BITCAST to better reflect the LLVM IR concept. 2010-11-23 03:31:01 +00:00
AlphaISelLowering.h Inline asm multiple alternative constraints development phase 2 - improved basic logic, added initial platform support. 2010-10-29 17:29:13 +00:00
AlphaLLRP.cpp Reapply r110396, with fixes to appease the Linux buildbot gods. 2010-08-06 18:33:48 +00:00
AlphaMachineFunctionInfo.h Move per-function state out of TargetLowering subclasses and into 2010-04-17 14:41:14 +00:00
AlphaMCAsmInfo.cpp Don't pass StringRef by reference. 2010-07-14 22:38:02 +00:00
AlphaMCAsmInfo.h Don't pass StringRef by reference. 2010-07-14 22:38:02 +00:00
AlphaRegisterInfo.cpp Move hasFP() and few related hooks to TargetFrameInfo. 2010-11-18 21:19:35 +00:00
AlphaRegisterInfo.h Move hasFP() and few related hooks to TargetFrameInfo. 2010-11-18 21:19:35 +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 Add support to model pipeline bypass / forwarding. 2010-09-28 23:50:49 +00:00
AlphaSelectionDAGInfo.cpp Implement a bunch more TargetSelectionDAGInfo infrastructure. 2010-05-11 17:31:57 +00:00
AlphaSelectionDAGInfo.h Implement a bunch more TargetSelectionDAGInfo infrastructure. 2010-05-11 17:31:57 +00:00
AlphaSubtarget.cpp Normalize Subtarget constructors to take a target triple string instead of 2009-08-02 22:11:08 +00:00
AlphaSubtarget.h Normalize Subtarget constructors to take a target triple string instead of 2009-08-02 22:11:08 +00:00
AlphaTargetMachine.cpp First step of huge frame-related refactoring: move emit{Prologue,Epilogue} out of TargetRegisterInfo to TargetFrameInfo, which is definitely much better suitable place 2010-11-15 00:06:54 +00:00
AlphaTargetMachine.h First step of huge frame-related refactoring: move emit{Prologue,Epilogue} out of TargetRegisterInfo to TargetFrameInfo, which is definitely much better suitable place 2010-11-15 00:06:54 +00:00
CMakeLists.txt Attempt to unbreak cmake-based builds 2010-11-15 00:48:12 +00:00
Makefile move all the target's asmprinters into the main target. The piece 2010-11-14 18:43:56 +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