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[mips] Add names and tests for the hardware registers

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Reviewers: dsanders

Reviewed By: dsanders

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D5763

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221299 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Vasileios Kalintiris
2014-11-04 21:30:44 +00:00
parent c270e8abbe
commit a7a01d3c98
10 changed files with 266 additions and 8 deletions
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31
lib/Target/Mips/AsmParser/MipsAsmParser.cpp
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@@ -222,6 +222,8 @@ class MipsAsmParser : public MCTargetAsmParser {
int matchCPURegisterName(StringRef Symbol);
int matchHWRegsRegisterName(StringRef Symbol);
int matchRegisterByNumber(unsigned RegNum, unsigned RegClass);
int matchFPURegisterName(StringRef Name);
@@ -859,6 +861,14 @@ public:
return CreateReg(Index, RegKind_FGR, RegInfo, S, E, Parser);
}
/// Create a register that is definitely a HWReg.
/// This is typically only used for named registers such as $hwr_cpunum.
static std::unique_ptr<MipsOperand>
createHWRegsReg(unsigned Index, const MCRegisterInfo *RegInfo,
SMLoc S, SMLoc E, MipsAsmParser &Parser) {
return CreateReg(Index, RegKind_HWRegs, RegInfo, S, E, Parser);
}
/// Create a register that is definitely an FCC.
/// This is typically only used for named registers such as $fcc0.
static std::unique_ptr<MipsOperand>
@@ -1795,6 +1805,20 @@ int MipsAsmParser::matchCPURegisterName(StringRef Name) {
return CC;
}
int MipsAsmParser::matchHWRegsRegisterName(StringRef Name) {
int CC;
CC = StringSwitch<unsigned>(Name)
.Case("hwr_cpunum", 0)
.Case("hwr_synci_step", 1)
.Case("hwr_cc", 2)
.Case("hwr_ccres", 3)
.Case("hwr_ulr", 29)
.Default(-1);
return CC;
}
int MipsAsmParser::matchFPURegisterName(StringRef Name) {
if (Name[0] == 'f') {
@@ -2278,6 +2302,13 @@ MipsAsmParser::matchAnyRegisterNameWithoutDollar(OperandVector &Operands,
return MatchOperand_Success;
}
Index = matchHWRegsRegisterName(Identifier);
if (Index != -1) {
Operands.push_back(MipsOperand::createHWRegsReg(
Index, getContext().getRegisterInfo(), S, getLexer().getLoc(), *this));
return MatchOperand_Success;
}
Index = matchFPURegisterName(Identifier);
if (Index != -1) {
Operands.push_back(MipsOperand::createFGRReg(