llvm-6502/lib/Target/Alpha
Chris Lattner 6d9f86b773 remove a bunch of dead named arguments in input patterns,
though some look dubious afaict, these are all ok.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96899 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-23 06:54:29 +00:00
..
AsmPrinter print all the newlines at the end of instructions with 2010-02-10 00:36:00 +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 eliminate all the dead addSimpleCodeEmitter implementations. 2010-02-02 21:31:47 +00:00
Alpha.td
AlphaBranchSelector.cpp
AlphaCallingConv.td
AlphaCodeEmitter.cpp move target-independent opcodes out of TargetInstrInfo 2010-02-09 19:54:29 +00:00
AlphaInstrFormats.td
AlphaInstrInfo.cpp Remove the target hook TargetInstrInfo::BlockHasNoFallThrough in favor of 2009-12-05 00:44:40 +00:00
AlphaInstrInfo.h Remove the target hook TargetInstrInfo::BlockHasNoFallThrough in favor of 2009-12-05 00:44:40 +00:00
AlphaInstrInfo.td remove a bunch of dead named arguments in input patterns, 2010-02-23 06:54:29 +00:00
AlphaISelDAGToDAG.cpp mark all the generated node predicates 'const'. 2010-02-16 07:26:36 +00:00
AlphaISelLowering.cpp Move TLOF implementations to libCodegen to resolve layering violation. 2010-02-15 22:37:53 +00:00
AlphaISelLowering.h Revert 95130. 2010-02-02 23:55:14 +00:00
AlphaJITInfo.cpp Change indirect-globals to use a dedicated allocIndirectGV. This lets us 2009-12-15 22:42:46 +00:00
AlphaJITInfo.h
AlphaLLRP.cpp
AlphaMachineFunctionInfo.h
AlphaMCAsmInfo.cpp Eliminate SetDirective, and replace it with HasSetDirective. 2010-01-26 20:40:54 +00:00
AlphaMCAsmInfo.h
AlphaRegisterInfo.cpp Fix changes from r75027 2010-02-15 15:00:44 +00:00
AlphaRegisterInfo.h
AlphaRegisterInfo.td
AlphaRelocations.h
AlphaSchedule.td
AlphaSubtarget.cpp
AlphaSubtarget.h
AlphaTargetMachine.cpp eliminate all the dead addSimpleCodeEmitter implementations. 2010-02-02 21:31:47 +00:00
AlphaTargetMachine.h eliminate all the dead addSimpleCodeEmitter implementations. 2010-02-02 21:31:47 +00:00
CMakeLists.txt
Makefile make -fno-rtti the default unless a directory builds with REQUIRES_RTTI. 2010-01-24 20:43:08 +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