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llvm-project/llvm/lib/Target/Mips
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Simon Dardis b432a3ed7e [mips] Tighten FastISel restrictions 
LLVM PR/29052 highlighted that FastISel for MIPS attempted to lower
arguments assuming that it was using the paired 32bit registers to
perform operations for f64. This mode of operation is not supported
for MIPSR6.

This patch resolves the reported issue by adding additional checks
for unsupported floating point unit configuration.

Thanks to mike.k for reporting this issue!

Reviewers: seanbruno, vkalintiris

Differential Review: https://reviews.llvm.org/D23795

llvm-svn: 280706
 		2016-09-06 12:36:24 +00:00
..
AsmParser [mips][ias] Support .dtprel[d]word and .tprel[d]word directives 2016-08-22 16:18:42 +00:00
Disassembler [mips][microMIPS] Implement BLTZC, BLEZC, BGEZC and BGTZC instructions, fix disassembly and add operand checking to existing B<cond>C implementations 2016-08-22 12:17:59 +00:00
InstPrinter [mips][microMIPS] Implement SLT, SLTI, SLTIU, SLTU microMIPS32r6 instructions 2016-07-22 07:18:33 +00:00
MCTargetDesc [mips][ias] Support .dtprel[d]word and .tprel[d]word directives 2016-08-22 16:18:42 +00:00
TargetInfo Remove autoconf support 2016-01-26 21:29:08 +00:00
CMakeLists.txt [mips] MIPS32R6 compact branch support 2016-03-14 16:24:05 +00:00
LLVMBuild.txt
…
MSA.txt
…
MicroMips32r6InstrFormats.td [mips][microMIPS] Implement LDC1, SDC1, LDC2, SDC2, LWC1, SWC1, LWC2 and SWC2 instructions and add CodeGen support 2016-07-11 07:41:56 +00:00
MicroMips32r6InstrInfo.td [mips] interAptiv based generic schedule model 2016-09-01 14:53:53 +00:00
MicroMips64r6InstrFormats.td [mips][micromips] Implement LD, LLD, LWU, SD, DSRL, DSRL32 and DSRLV instructions 2016-06-27 08:23:28 +00:00
MicroMips64r6InstrInfo.td [mips] Preparatory work for a generic scheduler 2016-08-24 13:00:47 +00:00
MicroMipsDSPInstrFormats.td [mips][microMIPS][DSP] Implement BALIGN, BITREV, BPOSGE32, CMP*, CMPGDU*, CMPGU* and CMPU* instructions 2016-05-17 09:32:58 +00:00
MicroMipsDSPInstrInfo.td [mips][microMIPS][DSP] Implement BALIGN, BITREV, BPOSGE32, CMP*, CMPGDU*, CMPGU* and CMPU* instructions 2016-05-17 09:32:58 +00:00
MicroMipsInstrFPU.td [mips][microMIPS] Implement CFC1, CFC2, CTC1 and CTC2 instructions 2016-08-04 11:22:52 +00:00
MicroMipsInstrFormats.td [mips][microMIPS] Implement CFC1, CFC2, CTC1 and CTC2 instructions 2016-08-04 11:22:52 +00:00
MicroMipsInstrInfo.td [mips] Preparatory work for a generic scheduler 2016-08-24 13:00:47 +00:00
Mips.h Delete dead code. NFC. 2016-06-28 14:26:39 +00:00
Mips.td [mips] interAptiv based generic schedule model 2016-09-01 14:53:53 +00:00
Mips16FrameLowering.cpp MachineFunction: Return reference for getFrameInfo(); NFC 2016-07-28 18:40:00 +00:00
Mips16FrameLowering.h
…
Mips16HardFloat.cpp Convert more cases to isPositionIndependent(). NFC. 2016-06-28 14:33:28 +00:00
Mips16HardFloatInfo.cpp
…
Mips16HardFloatInfo.h
…
Mips16ISelDAGToDAG.cpp [mips] Preparatory work for a generic scheduler 2016-08-24 13:00:47 +00:00
Mips16ISelDAGToDAG.h [mips] SelectionDAGISel subclasses now follow the optimization level. 2016-07-14 13:25:22 +00:00
Mips16ISelLowering.cpp CodeGen: Use MachineInstr& in TargetLowering, NFC 2016-06-30 22:52:52 +00:00
Mips16ISelLowering.h CodeGen: Use MachineInstr& in TargetLowering, NFC 2016-06-30 22:52:52 +00:00
Mips16InstrFormats.td
…
Mips16InstrInfo.cpp MachineFunction: Return reference for getFrameInfo(); NFC 2016-07-28 18:40:00 +00:00
Mips16InstrInfo.h CodeGen: Use MachineInstr& in TargetInstrInfo, NFC 2016-06-30 00:01:54 +00:00
Mips16InstrInfo.td [mips][mips16] Fix machine verifier errors about incorrect register classes on load/stores. 2016-06-16 10:20:59 +00:00
Mips16RegisterInfo.cpp MachineFunction: Return reference for getFrameInfo(); NFC 2016-07-28 18:40:00 +00:00
Mips16RegisterInfo.h
…
Mips32r6InstrFormats.td [PATCH] [mips] Restrict the creation of compact branches 2016-05-18 10:38:01 +00:00
Mips32r6InstrInfo.td [mips] Preparatory work for a generic scheduler 2016-08-24 13:00:47 +00:00
Mips64InstrInfo.td [mips] Preparatory work for a generic scheduler 2016-08-24 13:00:47 +00:00
Mips64r6InstrInfo.td [mips] Preparatory work for a generic scheduler 2016-08-24 13:00:47 +00:00
MipsAnalyzeImmediate.cpp
…
MipsAnalyzeImmediate.h
…
MipsAsmPrinter.cpp [mips] Correct tail call encoding for MIPSR6 2016-08-18 13:22:43 +00:00
MipsAsmPrinter.h [mips] Range check uimm20 and fixed a bug this revealed. 2016-02-29 16:06:38 +00:00
MipsCCState.cpp [mips] Fix an issue with long double when function roundl is defined 2016-03-14 12:50:23 +00:00
MipsCCState.h
…
MipsCallingConv.td [mips] EABI CodeGen is completely untested and seems to have bitrotted. Remove it. 2016-06-03 10:38:09 +00:00
MipsCondMov.td [mips] Replace AdditionalRequires<[IsGP64bit]> with GPR_64. NFC. 2016-06-15 10:36:16 +00:00
MipsConstantIslandPass.cpp MachineFunctionProperties/MIRParser: Rename AllVRegsAllocated->NoVRegs, compute it 2016-08-25 01:27:13 +00:00
MipsDSPInstrFormats.td [mips][microMIPS] Implement APPEND, BPOSGE32C, MODSUB, MULSA.W.PH and MULSAQ_S.W.PH instructions 2016-05-13 11:32:53 +00:00
MipsDSPInstrInfo.td [mips] MIPS32/64 itineraries 2016-06-14 09:35:29 +00:00
MipsDelaySlotFiller.cpp MachineFunctionProperties/MIRParser: Rename AllVRegsAllocated->NoVRegs, compute it 2016-08-25 01:27:13 +00:00
MipsEVAInstrFormats.td
…
MipsEVAInstrInfo.td [mips] MIPS32/64 itineraries 2016-06-14 09:35:29 +00:00
MipsFastISel.cpp [mips] Tighten FastISel restrictions 2016-09-06 12:36:24 +00:00
MipsFrameLowering.cpp MachineFunction: Return reference for getFrameInfo(); NFC 2016-07-28 18:40:00 +00:00
MipsFrameLowering.h Change eliminateCallFramePseudoInstr() to return an iterator 2016-03-31 18:33:38 +00:00
MipsHazardSchedule.cpp MachineFunctionProperties/MIRParser: Rename AllVRegsAllocated->NoVRegs, compute it 2016-08-25 01:27:13 +00:00
MipsISelDAGToDAG.cpp [mips] Clang generates unaligned offset for MSA instruction st.d 2016-08-01 06:46:20 +00:00
MipsISelDAGToDAG.h [mips] Clang generates unaligned offset for MSA instruction st.d 2016-08-01 06:46:20 +00:00
MipsISelLowering.cpp Add ISD::EH_DWARF_CFA, simplify @llvm.eh.dwarf.cfa on Mips, fix on PowerPC 2016-09-01 10:28:47 +00:00
MipsISelLowering.h Add ISD::EH_DWARF_CFA, simplify @llvm.eh.dwarf.cfa on Mips, fix on PowerPC 2016-09-01 10:28:47 +00:00
MipsInstrFPU.td [SelectionDAG] Rename fextend -> fpextend, fround -> fpround, frnd -> fround 2016-08-18 20:08:15 +00:00
MipsInstrFormats.td [mips] MIPS32R6 compact branch support 2016-03-14 16:24:05 +00:00
MipsInstrInfo.cpp [mips] Correct tail call encoding for MIPSR6 2016-08-18 13:22:43 +00:00
MipsInstrInfo.h TargetInstrInfo: add virtual function getInstSizeInBytes 2016-07-29 08:16:16 +00:00
MipsInstrInfo.td [mips] Correct tail call encoding for MIPSR6 2016-08-18 13:22:43 +00:00
MipsLongBranch.cpp MachineFunctionProperties/MIRParser: Rename AllVRegsAllocated->NoVRegs, compute it 2016-08-25 01:27:13 +00:00
MipsMCInstLower.cpp [mips] Use MipsMCExpr instead of MCSymbolRefExpr for all relocations. 2016-05-03 13:35:44 +00:00
MipsMCInstLower.h [mips] Use MipsMCExpr instead of MCSymbolRefExpr for all relocations. 2016-05-03 13:35:44 +00:00
MipsMSAInstrFormats.td
…
MipsMSAInstrInfo.td [mips] Clang generates unaligned offset for MSA instruction st.d 2016-08-01 06:46:20 +00:00
MipsMachineFunction.cpp MachineFunction: Return reference for getFrameInfo(); NFC 2016-07-28 18:40:00 +00:00
MipsMachineFunction.h [mips][mips16] Fix machine verifier errors about incorrect register classes on load/stores. 2016-06-16 10:20:59 +00:00
MipsModuleISelDAGToDAG.cpp
…
MipsOptimizePICCall.cpp
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MipsOptionRecord.h
…
MipsOs16.cpp [mips] Use range-based for loops. NFC. 2016-04-08 10:33:00 +00:00
MipsRegisterInfo.cpp MachineFunction: Return reference for getFrameInfo(); NFC 2016-07-28 18:40:00 +00:00
MipsRegisterInfo.h [mips][micromips] Make getPointerRegClass() result depend on the instruction. 2016-05-09 13:38:25 +00:00
MipsRegisterInfo.td [mips][micromips] Make getPointerRegClass() result depend on the instruction. 2016-05-09 13:38:25 +00:00
MipsSEFrameLowering.cpp MachineFunction: Return reference for getFrameInfo(); NFC 2016-07-28 18:40:00 +00:00
MipsSEFrameLowering.h Re-apply "[mips] Use correct frame register for DWARF info when dynamically realigning the stack."" 2015-11-12 14:11:43 +00:00
MipsSEISelDAGToDAG.cpp Fixed MSVC out of range shift warning 2016-08-01 09:40:38 +00:00
MipsSEISelDAGToDAG.h [mips] Clang generates unaligned offset for MSA instruction st.d 2016-08-01 06:46:20 +00:00
MipsSEISelLowering.cpp [mips] Enable tail calls by default 2016-08-04 09:17:07 +00:00
MipsSEISelLowering.h CodeGen: Use MachineInstr& in TargetLowering, NFC 2016-06-30 22:52:52 +00:00
MipsSEInstrInfo.cpp [mips] MIPS64R6 compact branch support 2016-07-26 10:25:07 +00:00
MipsSEInstrInfo.h CodeGen: Use MachineInstr& in TargetInstrInfo, NFC 2016-06-30 00:01:54 +00:00
MipsSERegisterInfo.cpp MachineFunction: Return reference for getFrameInfo(); NFC 2016-07-28 18:40:00 +00:00
MipsSERegisterInfo.h
…
MipsSchedule.td [mips] interAptiv based generic schedule model 2016-09-01 14:53:53 +00:00
MipsScheduleGeneric.td [mips] Include missed file from previous commit 2016-09-01 15:03:13 +00:00
MipsScheduleP5600.td [mips] Update the P5600 scheduler for isComplete = 1 2016-08-02 10:32:00 +00:00
MipsSubtarget.cpp Convert more cases to isPositionIndependent(). NFC. 2016-06-28 14:33:28 +00:00
MipsSubtarget.h Convert more cases to isPositionIndependent(). NFC. 2016-06-28 14:33:28 +00:00
MipsTargetMachine.cpp [mips] Correct label prefixes for N32 and N64. 2016-07-19 10:49:03 +00:00
MipsTargetMachine.h Delete Reloc::Default. 2016-05-18 22:04:49 +00:00
MipsTargetObjectFile.cpp Unbreak non-X86 targets from fallout caused by r261462 2016-02-21 01:40:04 +00:00
MipsTargetObjectFile.h Unbreak non-X86 targets from fallout caused by r261462 2016-02-21 01:40:04 +00:00
MipsTargetStreamer.h Move instances of std::function. 2016-06-12 16:13:55 +00:00