diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/Mips/MipsDSPInstrInfo.td | 8 | ||||
| -rw-r--r-- | lib/Target/Mips/MipsInstrInfo.td | 11 | ||||
| -rw-r--r-- | lib/Target/Mips/MipsSEISelDAGToDAG.cpp | 2 |
3 files changed, 15 insertions, 6 deletions
diff --git a/lib/Target/Mips/MipsDSPInstrInfo.td b/lib/Target/Mips/MipsDSPInstrInfo.td index 2f8bd5dfa1..df8ba9db9d 100644 --- a/lib/Target/Mips/MipsDSPInstrInfo.td +++ b/lib/Target/Mips/MipsDSPInstrInfo.td @@ -548,10 +548,10 @@ class ADDQ_S_W_DESC : ADDU_QB_DESC_BASE<"addq_s.w", int_mips_addq_s_w, class SUBQ_S_W_DESC : ADDU_QB_DESC_BASE<"subq_s.w", int_mips_subq_s_w, NoItinerary, CPURegs, CPURegs>; -class ADDSC_DESC : ADDU_QB_DESC_BASE<"addsc", int_mips_addsc, NoItinerary, +class ADDSC_DESC : ADDU_QB_DESC_BASE<"addsc", null_frag, NoItinerary, CPURegs, CPURegs>, IsCommutable; -class ADDWC_DESC : ADDU_QB_DESC_BASE<"addwc", int_mips_addwc, NoItinerary, +class ADDWC_DESC : ADDU_QB_DESC_BASE<"addwc", null_frag, NoItinerary, CPURegs, CPURegs>, IsCommutable, UseDSPCtrl; @@ -1247,6 +1247,10 @@ def : DSPBinPat<ADDU_QB, v4i8, int_mips_addu_qb>; def : DSPBinPat<ADDU_QB, v4i8, add>; def : DSPBinPat<SUBU_QB, v4i8, int_mips_subu_qb>; def : DSPBinPat<SUBU_QB, v4i8, sub>; +def : DSPBinPat<ADDSC, i32, int_mips_addsc>; +def : DSPBinPat<ADDSC, i32, addc>; +def : DSPBinPat<ADDWC, i32, int_mips_addwc>; +def : DSPBinPat<ADDWC, i32, adde>; // Extr patterns. class EXTR_W_TY1_R2_Pat<SDPatternOperator OpNode, Instruction Instr> : diff --git a/lib/Target/Mips/MipsInstrInfo.td b/lib/Target/Mips/MipsInstrInfo.td index 3a82e81713..44e9fb8dcb 100644 --- a/lib/Target/Mips/MipsInstrInfo.td +++ b/lib/Target/Mips/MipsInstrInfo.td @@ -179,6 +179,7 @@ def NoNaNsFPMath : Predicate<"TM.Options.NoNaNsFPMath">, AssemblerPredicate<"FeatureMips32">; def HasStdEnc : Predicate<"Subtarget.hasStandardEncoding()">, AssemblerPredicate<"!FeatureMips16">; +def NotDSP : Predicate<"!Subtarget.hasDSP()">; class MipsPat<dag pattern, dag result> : Pat<pattern, result> { let Predicates = [HasStdEnc]; @@ -1128,10 +1129,12 @@ def : MipsPat<(i32 imm:$imm), // Carry MipsPatterns def : MipsPat<(subc CPURegs:$lhs, CPURegs:$rhs), (SUBu CPURegs:$lhs, CPURegs:$rhs)>; -def : MipsPat<(addc CPURegs:$lhs, CPURegs:$rhs), - (ADDu CPURegs:$lhs, CPURegs:$rhs)>; -def : MipsPat<(addc CPURegs:$src, immSExt16:$imm), - (ADDiu CPURegs:$src, imm:$imm)>; +let Predicates = [HasStdEnc, NotDSP] in { + def : MipsPat<(addc CPURegs:$lhs, CPURegs:$rhs), + (ADDu CPURegs:$lhs, CPURegs:$rhs)>; + def : MipsPat<(addc CPURegs:$src, immSExt16:$imm), + (ADDiu CPURegs:$src, imm:$imm)>; +} // Call def : MipsPat<(MipsJmpLink (i32 tglobaladdr:$dst)), diff --git a/lib/Target/Mips/MipsSEISelDAGToDAG.cpp b/lib/Target/Mips/MipsSEISelDAGToDAG.cpp index e0f5832d9e..0114687add 100644 --- a/lib/Target/Mips/MipsSEISelDAGToDAG.cpp +++ b/lib/Target/Mips/MipsSEISelDAGToDAG.cpp @@ -303,6 +303,8 @@ std::pair<bool, SDNode*> MipsSEDAGToDAGISel::selectNode(SDNode *Node) { } case ISD::ADDE: { + if (Subtarget.hasDSP()) // Select DSP instructions, ADDSC and ADDWC. + break; SDValue InFlag = Node->getOperand(2); Result = selectAddESubE(Mips::ADDu, InFlag, InFlag.getValue(0), DL, Node); return std::make_pair(true, Result); |