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935b1f8fce
llvm-6502/lib/Target/ARM
History
Rafael Espindola 935b1f8fce add optional input flag to FMRRD 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30774 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-06 20:33:26 +00:00
..
.cvsignore Ignore generated files 2006-05-27 01:23:30 +00:00
ARM.h Implement a MachineFunctionPass to fix the mul instruction 2006-09-19 15:49:25 +00:00
ARM.td getCalleeSaveRegs and getCalleeSaveRegClasses are no long TableGen'd. 2006-05-18 00:12:58 +00:00
ARMAsmPrinter.cpp Pass the MachineFunction into EmitJumpTableInfo. 2006-10-05 03:01:21 +00:00
ARMFrameInfo.h use @ for comments 2006-08-25 17:55:16 +00:00
ARMInstrInfo.cpp add shifts to addressing mode 1 2006-09-13 12:09:43 +00:00
ARMInstrInfo.h change the addressing mode of the str instruction to reg+imm 2006-08-08 20:35:03 +00:00
ARMInstrInfo.td add optional input flag to FMRRD 2006-10-06 20:33:26 +00:00
ARMISelDAGToDAG.cpp add optional input flag to FMRRD 2006-10-06 20:33:26 +00:00
ARMMul.cpp fix header 2006-09-19 16:41:40 +00:00
ARMRegisterInfo.cpp fix the stack alignment 2006-10-06 14:29:47 +00:00
ARMRegisterInfo.h getCalleeSaveRegs and getCalleeSaveRegClasses are no long TableGen'd. 2006-05-18 00:12:58 +00:00
ARMRegisterInfo.td fix the names of the 64bit fp register 2006-10-02 19:30:56 +00:00
ARMTargetAsmInfo.cpp Break out target asm info into separate files. 2006-09-07 22:05:02 +00:00
ARMTargetAsmInfo.h Break out target asm info into separate files. 2006-09-07 22:05:02 +00:00
ARMTargetMachine.cpp Implement a MachineFunctionPass to fix the mul instruction 2006-09-19 15:49:25 +00:00
ARMTargetMachine.h Implement a MachineFunctionPass to fix the mul instruction 2006-09-19 15:49:25 +00:00
Makefile
README.txt Implement floating point constants 2006-10-03 17:27:58 +00:00

README.txt 

//===---------------------------------------------------------------------===//
// Random ideas for the ARM backend.
//===---------------------------------------------------------------------===//

Consider implementing a select with two conditional moves:

cmp x, y
moveq dst, a
movne dst, b

----------------------------------------------------------


%tmp1 = shl int %b, ubyte %c
%tmp4 = add int %a, %tmp1

compiles to

add r0, r0, r1, lsl r2

but

%tmp1 = shl int %b, ubyte %c
%tmp4 = add int %tmp1, %a

compiles to
mov r1, r1, lsl r2
add r0, r1, r0

----------------------------------------------------------

add an offset to FLDS addressing mode

----------------------------------------------------------