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authorReed Kotler <rkotler@mips.com>2013-06-09 23:23:46 +0000
committerReed Kotler <rkotler@mips.com>2013-06-09 23:23:46 +0000
commitb0ee97a366a07c05b2c8ab314e29f5e72a9b7bfb (patch)
tree2e6f5a6bb3442a71876b894e732d888f7208379b /lib/Target/Mips
parent068ecc15c08ce4692df51f2de2cf73e48e396c97 (diff)
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Fix a regression I introduced when I expanded the complex pseudos in
the Mips16 port. A few of the psuedos could either take signed or unsigned arguments and I did not distinguish the case and improperly rejected some valid cases that the assembler had previously accepted when they were pure pseudos that expanded as assembly instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183633 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/Mips')
-rw-r--r--lib/Target/Mips/Mips16ISelLowering.cpp17
-rw-r--r--lib/Target/Mips/Mips16ISelLowering.h2
2 files changed, 10 insertions, 9 deletions
diff --git a/lib/Target/Mips/Mips16ISelLowering.cpp b/lib/Target/Mips/Mips16ISelLowering.cpp
index b272e30563..d8dd88c99a 100644
--- a/lib/Target/Mips/Mips16ISelLowering.cpp
+++ b/lib/Target/Mips/Mips16ISelLowering.cpp
@@ -131,17 +131,17 @@ Mips16TargetLowering::EmitInstrWithCustomInserter(MachineInstr *MI,
// altogether.
return emitFEXT_T8I816_ins(Mips::BtnezX16, Mips::SltuRxRy16, MI, BB);
case Mips::BteqzT8CmpiX16: return emitFEXT_T8I8I16_ins(
- Mips::BteqzX16, Mips::CmpiRxImm16, Mips::CmpiRxImmX16, MI, BB);
+ Mips::BteqzX16, Mips::CmpiRxImm16, Mips::CmpiRxImmX16, false, MI, BB);
case Mips::BteqzT8SltiX16: return emitFEXT_T8I8I16_ins(
- Mips::BteqzX16, Mips::SltiRxImm16, Mips::SltiRxImmX16, MI, BB);
+ Mips::BteqzX16, Mips::SltiRxImm16, Mips::SltiRxImmX16, true, MI, BB);
case Mips::BteqzT8SltiuX16: return emitFEXT_T8I8I16_ins(
- Mips::BteqzX16, Mips::SltiuRxImm16, Mips::SltiuRxImmX16, MI, BB);
+ Mips::BteqzX16, Mips::SltiuRxImm16, Mips::SltiuRxImmX16, false, MI, BB);
case Mips::BtnezT8CmpiX16: return emitFEXT_T8I8I16_ins(
- Mips::BtnezX16, Mips::CmpiRxImm16, Mips::CmpiRxImmX16, MI, BB);
+ Mips::BtnezX16, Mips::CmpiRxImm16, Mips::CmpiRxImmX16, false, MI, BB);
case Mips::BtnezT8SltiX16: return emitFEXT_T8I8I16_ins(
- Mips::BtnezX16, Mips::SltiRxImm16, Mips::SltiRxImmX16, MI, BB);
+ Mips::BtnezX16, Mips::SltiRxImm16, Mips::SltiRxImmX16, true, MI, BB);
case Mips::BtnezT8SltiuX16: return emitFEXT_T8I8I16_ins(
- Mips::BtnezX16, Mips::SltiuRxImm16, Mips::SltiuRxImmX16, MI, BB);
+ Mips::BtnezX16, Mips::SltiuRxImm16, Mips::SltiuRxImmX16, false, MI, BB);
break;
case Mips::SltCCRxRy16:
return emitFEXT_CCRX16_ins(Mips::SltRxRy16, MI, BB);
@@ -629,7 +629,7 @@ MachineBasicBlock
}
MachineBasicBlock *Mips16TargetLowering::emitFEXT_T8I8I16_ins(
- unsigned BtOpc, unsigned CmpiOpc, unsigned CmpiXOpc,
+ unsigned BtOpc, unsigned CmpiOpc, unsigned CmpiXOpc, bool ImmSigned,
MachineInstr *MI, MachineBasicBlock *BB) const {
if (DontExpandCondPseudos16)
return BB;
@@ -640,7 +640,8 @@ MachineBasicBlock *Mips16TargetLowering::emitFEXT_T8I8I16_ins(
unsigned CmpOpc;
if (isUInt<8>(imm))
CmpOpc = CmpiOpc;
- else if (isUInt<16>(imm))
+ else if ((!ImmSigned && isUInt<16>(imm)) ||
+ (ImmSigned && isInt<16>(imm)))
CmpOpc = CmpiXOpc;
else
llvm_unreachable("immediate field not usable");
diff --git a/lib/Target/Mips/Mips16ISelLowering.h b/lib/Target/Mips/Mips16ISelLowering.h
index b23e2a1f37..d3c7028858 100644
--- a/lib/Target/Mips/Mips16ISelLowering.h
+++ b/lib/Target/Mips/Mips16ISelLowering.h
@@ -64,7 +64,7 @@ namespace llvm {
MachineBasicBlock *BB) const;
MachineBasicBlock *emitFEXT_T8I8I16_ins(
- unsigned BtOpc, unsigned CmpiOpc, unsigned CmpiXOpc,
+ unsigned BtOpc, unsigned CmpiOpc, unsigned CmpiXOpc, bool ImmSigned,
MachineInstr *MI, MachineBasicBlock *BB) const;
MachineBasicBlock *emitFEXT_CCRX16_ins(