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3d4ab7a231
llvm-mirror/lib/Target/Alpha
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Chris Lattner 3d4ab7a231 make AsmPrinter::doFinalization iterate over the global variables 
and call PrintGlobalVariable, allowing elimination and simplification
of various targets.

llvm-svn: 76604
2009-07-21 18:38:57 +00:00
..
AsmPrinter make AsmPrinter::doFinalization iterate over the global variables 2009-07-21 18:38:57 +00:00
TargetInfo Add dependencies from TargetInfo onto .td generation. 2009-07-19 00:21:12 +00:00
Alpha.h Put Target definitions inside Target specific header, and llvm namespace. 2009-07-18 23:03:22 +00:00
Alpha.td Switch Alpha over to the new call lowering style. New code mostly 2009-07-19 01:11:32 +00:00
AlphaBranchSelector.cpp Tidy up several unbeseeming casts from pointer to intptr_t. 2008-09-04 17:05:41 +00:00
AlphaCallingConv.td Switch Alpha over to the new call lowering style. New code mostly 2009-07-19 01:11:32 +00:00
AlphaCodeEmitter.cpp r76102 added the MachineCodeEmitter::processDebugLoc call and called it from 2009-07-17 18:49:39 +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 Switch Alpha over to the new call lowering style. New code mostly 2009-07-19 01:11:32 +00:00
AlphaISelLowering.cpp Switch Alpha over to the new call lowering style. New code mostly 2009-07-19 01:11:32 +00:00
AlphaISelLowering.h Switch Alpha over to the new call lowering style. New code mostly 2009-07-19 01:11:32 +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 Put Target definitions inside Target specific header, and llvm namespace. 2009-07-18 23:03:22 +00:00
AlphaTargetMachine.h Lift addAssemblyEmitter into LLVMTargetMachine. 2009-07-15 23:34:19 +00:00
CMakeLists.txt Unbreak build 2009-07-19 01:33:04 +00:00
Makefile Unbreak build 2009-07-19 01:33:04 +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