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History

Dan Gohman 74529a2226 Split foldMemoryOperand into public non-virtual and protected virtual parts, and add target-independent code to add/preserve MachineMemOperands. llvm-svn: 60488		2008-12-03 18:43:12 +00:00
..
AsmPrinter	Separate alpha asmprinter. This should unbreak native build.	2008-11-11 16:42:17 +00:00
Alpha.h	Use raw_ostream throughout the AsmPrinter.	2008-08-21 00:14:44 +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	Switch the MachineOperand accessors back to the short names like	2008-10-03 15:45:36 +00:00
AlphaInstrFormats.td	Rename isSimpleLoad to canFoldAsLoad, to better reflect its meaning.	2008-12-03 18:15:48 +00:00
AlphaInstrInfo.cpp	Split foldMemoryOperand into public non-virtual and protected virtual	2008-12-03 18:43:12 +00:00
AlphaInstrInfo.h	Split foldMemoryOperand into public non-virtual and protected virtual	2008-12-03 18:43:12 +00:00
AlphaInstrInfo.td	Add a sanity-check to tablegen to catch the case where isSimpleLoad	2008-12-03 02:30:17 +00:00
AlphaISelDAGToDAG.cpp	Eliminate the ISel priority queue, which used the topological order for a	2008-11-05 04:14:16 +00:00
AlphaISelLowering.cpp	There are no longer any places that require a	2008-12-01 11:41:29 +00:00
AlphaISelLowering.h	Change the interface to the type legalization method	2008-12-01 11:39:25 +00:00
AlphaJITInfo.cpp	Rename startFunctionStub to startGVStub since it's also used for GV non-lazy ptr.	2008-11-08 08:02:53 +00:00
AlphaJITInfo.h	Trim #includes.	2008-08-05 15:32:23 +00:00
AlphaLLRP.cpp	Tidy up several unbeseeming casts from pointer to intptr_t.	2008-09-04 17:05:41 +00:00
AlphaRegisterInfo.cpp	Switch the MachineOperand accessors back to the short names like	2008-10-03 15:45:36 +00:00
AlphaRegisterInfo.h	Move reMaterialize() from TargetRegisterInfo to TargetInstrInfo.	2008-03-31 20:40:39 +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	Remove attribution from file headers, per discussion on llvmdev.	2007-12-29 20:36:04 +00:00
AlphaTargetAsmInfo.cpp	Refactor various TargetAsmInfo subclasses' TargetMachine members away	2008-11-03 18:22:42 +00:00
AlphaTargetAsmInfo.h	Remove attribution from file headers, per discussion on llvmdev.	2007-12-29 20:36:04 +00:00
AlphaTargetMachine.cpp	Adds extern "C" ints to the .cpp files that use RegisterTarget, as	2008-11-15 21:36:30 +00:00
AlphaTargetMachine.h	Use raw_ostream throughout the AsmPrinter.	2008-08-21 00:14:44 +00:00
CMakeLists.txt	CMake: corrected split of Alpha and Sparc AsmPrinters.	2008-11-11 17:10:13 +00:00
Makefile	Separate alpha asmprinter. This should unbreak native build.	2008-11-11 16:42:17 +00:00
README.txt

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