llvm-project/llvm/lib/Target/Sparc
Venkatraman Govindaraju 2bab98bbae [Sparc] Explicitly cast -1 to unsigned to fix buildbot errors.
llvm-svn: 198592
2014-01-06 08:24:44 +00:00
..
AsmParser [Sparc] Add the initial implementation of an asm parser for sparc/sparcv9. 2014-01-04 11:30:13 +00:00
Disassembler [Sparc] Explicitly cast -1 to unsigned to fix buildbot errors. 2014-01-06 08:24:44 +00:00
InstPrinter [Sparc] Lower and MachineInstr to MC and print assembly using MCInstPrinter. 2013-12-26 01:49:59 +00:00
MCTargetDesc [Sparc] Add ELF Object Writer for Sparc. 2014-01-06 01:22:54 +00:00
TargetInfo Prune redundant dependencies in LLVMBuild.txt. 2013-12-11 00:30:57 +00:00
CMakeLists.txt [Sparc] Add initial implementation of disassembler for sparc 2014-01-06 08:08:58 +00:00
DelaySlotFiller.cpp [Sparc] Do not hardcode nop in the delay slot of TLS_CALL. Use DelaySlotFiller to fill the delay slot instead. 2013-10-08 02:50:29 +00:00
LLVMBuild.txt [Sparc] Add initial implementation of disassembler for sparc 2014-01-06 08:08:58 +00:00
Makefile [Sparc] Add initial implementation of disassembler for sparc 2014-01-06 08:08:58 +00:00
README.txt Sparc: No functionality change. Cleanup whitespaces, comment formatting etc., 2013-06-04 18:33:25 +00:00
Sparc.h [Sparc] Lower and MachineInstr to MC and print assembly using MCInstPrinter. 2013-12-26 01:49:59 +00:00
Sparc.td [Sparc] Add the initial implementation of an asm parser for sparc/sparcv9. 2014-01-04 11:30:13 +00:00
SparcAsmPrinter.cpp SPARC: Make helper function static. 2014-01-05 20:26:05 +00:00
SparcCallingConv.td [Sparc] Correctly handle call to functions with ReturnsTwice attribute. 2013-09-05 05:32:16 +00:00
SparcCodeEmitter.cpp [Sparc] Add initial implementation of MC Code emitter for sparc. 2014-01-05 02:13:48 +00:00
SparcFrameLowering.cpp SparcFrameLowering.cpp: Prune 'DL' [-Wunused-variable] 2013-11-25 00:52:46 +00:00
SparcFrameLowering.h [Sparc] Emit large negative adjustments to SP/FP with sethi+xor instead of sethi+or. This generates correct code for both sparc32 and sparc64. 2013-11-24 20:23:25 +00:00
SparcISelDAGToDAG.cpp ISelDAG: spot chain cycles involving MachineNodes 2013-09-22 08:21:56 +00:00
SparcISelLowering.cpp Remove unnecessary #includes. 2014-01-06 06:00:00 +00:00
SparcISelLowering.h [Sparc]: Implement getSetCCResultType() in SparcTargetLowering so that umulo/smulo can be lowered on sparcv9 without an assertion error. 2013-12-09 04:02:15 +00:00
SparcInstr64Bit.td [Sparc] Add initial implementation of disassembler for sparc 2014-01-06 08:08:58 +00:00
SparcInstrFormats.td [Sparc] Add initial implementation of disassembler for sparc 2014-01-06 08:08:58 +00:00
SparcInstrInfo.cpp [weak vtables] Remove a bunch of weak vtables 2013-11-19 00:57:56 +00:00
SparcInstrInfo.h [weak vtables] Remove a bunch of weak vtables 2013-11-19 00:57:56 +00:00
SparcInstrInfo.td [Sparc] Add initial implementation of disassembler for sparc 2014-01-06 08:08:58 +00:00
SparcJITInfo.cpp SparcJITInfo.cpp: Prune "default:" label to fix a warning. [-Wcovered-switch-default] 2013-10-08 10:29:09 +00:00
SparcJITInfo.h [Sparc] Implement JIT for SPARC. 2013-10-08 07:15:22 +00:00
SparcMCInstLower.cpp [Sparc] Lower and MachineInstr to MC and print assembly using MCInstPrinter. 2013-12-26 01:49:59 +00:00
SparcMachineFunctionInfo.cpp Emacs-tag and some comment fix for all ARM, CellSPU, Hexagon, MBlaze, MSP430, PPC, PTX, Sparc, X86, XCore. 2012-02-18 12:03:15 +00:00
SparcMachineFunctionInfo.h [Sparc] Add support for leaf functions in sparc backend. 2013-05-29 04:46:31 +00:00
SparcRegisterInfo.cpp [Sparc] Emit large negative adjustments to SP/FP with sethi+xor instead of sethi+or. This generates correct code for both sparc32 and sparc64. 2013-11-24 20:23:25 +00:00
SparcRegisterInfo.h Remove getEHExceptionRegister and getEHHandlerRegister. 2013-10-07 13:39:22 +00:00
SparcRegisterInfo.td [Sparc] Added V9's extra floating point registers and their aliases. 2013-08-25 17:03:02 +00:00
SparcRelocations.h [Sparc] Implement JIT for SPARC. 2013-10-08 07:15:22 +00:00
SparcSelectionDAGInfo.cpp
SparcSelectionDAGInfo.h
SparcSubtarget.cpp [Sparc] Add long double (f128) instructions to sparc backend. 2013-08-25 18:30:06 +00:00
SparcSubtarget.h Move Sparc's getDataLayout out of line and add comments. 2013-12-11 01:07:43 +00:00
SparcTargetMachine.cpp Make the llvm mangler depend only on DataLayout. 2014-01-03 19:21:54 +00:00
SparcTargetMachine.h [Sparc] Implement JIT for SPARC. 2013-10-08 07:15:22 +00:00
SparcTargetStreamer.h [Sparc] Lower and MachineInstr to MC and print assembly using MCInstPrinter. 2013-12-26 01:49:59 +00:00

README.txt

To-do
-----

* Keep the address of the constant pool in a register instead of forming its
  address all of the time.
* We can fold small constant offsets into the %hi/%lo references to constant
  pool addresses as well.
* When in V9 mode, register allocate %icc[0-3].
* Add support for isel'ing UMUL_LOHI instead of marking it as Expand.
* Emit the 'Branch on Integer Register with Prediction' instructions.  It's
  not clear how to write a pattern for this though:

float %t1(int %a, int* %p) {
        %C = seteq int %a, 0
        br bool %C, label %T, label %F
T:
        store int 123, int* %p
        br label %F
F:
        ret float undef
}

codegens to this:

t1:
        save -96, %o6, %o6
1)      subcc %i0, 0, %l0
1)      bne .LBBt1_2    ! F
        nop
.LBBt1_1:       ! T
        or %g0, 123, %l0
        st %l0, [%i1]
.LBBt1_2:       ! F
        restore %g0, %g0, %g0
        retl
        nop

1) should be replaced with a brz in V9 mode.

* Same as above, but emit conditional move on register zero (p192) in V9
  mode.  Testcase:

int %t1(int %a, int %b) {
        %C = seteq int %a, 0
        %D = select bool %C, int %a, int %b
        ret int %D
}

* Emit MULX/[SU]DIVX instructions in V9 mode instead of fiddling
  with the Y register, if they are faster.

* Codegen bswap(load)/store(bswap) -> load/store ASI

* Implement frame pointer elimination, e.g. eliminate save/restore for
  leaf fns.
* Fill delay slots

* Implement JIT support

* Use %g0 directly to materialize 0. No instruction is required.