MAP(C9, 38) \
MAP(E8, 39) \
MAP(F0, 40) \
- MAP(F8, 41)
+ MAP(F8, 41) \
+ MAP(F9, 42) \
+ MAP(D0, 45) \
+ MAP(D1, 46)
// A clone of X86 since we can't depend on something that is generated.
namespace X86Local {
MRM0m = 24, MRM1m = 25, MRM2m = 26, MRM3m = 27,
MRM4m = 28, MRM5m = 29, MRM6m = 30, MRM7m = 31,
MRMInitReg = 32,
-
#define MAP(from, to) MRM_##from = to,
MRM_MAPPING
#undef MAP
+ RawFrmImm8 = 43,
+ RawFrmImm16 = 44,
lastMRM
};
EXTENSION_TABLE(72) \
EXTENSION_TABLE(73) \
EXTENSION_TABLE(ae) \
- EXTENSION_TABLE(b9) \
EXTENSION_TABLE(ba) \
EXTENSION_TABLE(c7)
HasOpSizePrefix = Rec->getValueAsBit("hasOpSizePrefix");
HasREX_WPrefix = Rec->getValueAsBit("hasREX_WPrefix");
+ HasVEXPrefix = Rec->getValueAsBit("hasVEXPrefix");
+ HasVEX_4VPrefix = Rec->getValueAsBit("hasVEX_4VPrefix");
+ HasVEX_WPrefix = Rec->getValueAsBit("hasVEX_WPrefix");
HasLockPrefix = Rec->getValueAsBit("hasLockPrefix");
IsCodeGenOnly = Rec->getValueAsBit("isCodeGenOnly");
Name = Rec->getName();
AsmString = Rec->getValueAsString("AsmString");
- Operands = &insn.OperandList;
+ Operands = &insn.Operands.OperandList;
IsSSE = HasOpSizePrefix && (Name.find("16") == Name.npos);
- HasFROperands = false;
+ HasFROperands = hasFROperands();
+ HasVEX_LPrefix = has256BitOperands() || Rec->getValueAsBit("hasVEX_L");
ShouldBeEmitted = true;
}
const CodeGenInstruction &insn,
InstrUID uid)
{
+ // Ignore "asm parser only" instructions.
+ if (insn.TheDef->getValueAsBit("isAsmParserOnly"))
+ return;
+
RecognizableInstr recogInstr(tables, insn, uid);
recogInstr.emitInstructionSpecifier(tables);
InstructionContext RecognizableInstr::insnContext() const {
InstructionContext insnContext;
- if (Name.find("64") != Name.npos || HasREX_WPrefix) {
+ if (HasVEX_4VPrefix || HasVEXPrefix) {
+ if (HasOpSizePrefix && HasVEX_LPrefix)
+ insnContext = IC_VEX_L_OPSIZE;
+ else if (HasOpSizePrefix && HasVEX_WPrefix)
+ insnContext = IC_VEX_W_OPSIZE;
+ else if (HasOpSizePrefix)
+ insnContext = IC_VEX_OPSIZE;
+ else if (HasVEX_LPrefix && Prefix == X86Local::XS)
+ insnContext = IC_VEX_L_XS;
+ else if (HasVEX_LPrefix && Prefix == X86Local::XD)
+ insnContext = IC_VEX_L_XD;
+ else if (HasVEX_WPrefix && Prefix == X86Local::XS)
+ insnContext = IC_VEX_W_XS;
+ else if (HasVEX_WPrefix && Prefix == X86Local::XD)
+ insnContext = IC_VEX_W_XD;
+ else if (HasVEX_WPrefix)
+ insnContext = IC_VEX_W;
+ else if (HasVEX_LPrefix)
+ insnContext = IC_VEX_L;
+ else if (Prefix == X86Local::XD)
+ insnContext = IC_VEX_XD;
+ else if (Prefix == X86Local::XS)
+ insnContext = IC_VEX_XS;
+ else
+ insnContext = IC_VEX;
+ } else if (Name.find("64") != Name.npos || HasREX_WPrefix) {
if (HasREX_WPrefix && HasOpSizePrefix)
insnContext = IC_64BIT_REXW_OPSIZE;
else if (HasOpSizePrefix)
}
RecognizableInstr::filter_ret RecognizableInstr::filter() const {
+ ///////////////////
+ // FILTER_STRONG
+ //
+
// Filter out intrinsics
if (!Rec->isSubClassOf("X86Inst"))
IsCodeGenOnly)
return FILTER_STRONG;
+ if (Form == X86Local::MRMInitReg)
+ return FILTER_STRONG;
+
+
+ // TEMPORARY pending bug fixes
+
+ if (Name.find("VMOVDQU") != Name.npos ||
+ Name.find("VMOVDQA") != Name.npos ||
+ Name.find("VROUND") != Name.npos)
+ return FILTER_STRONG;
+
+ // Filter out artificial instructions
+
+ if (Name.find("TAILJMP") != Name.npos ||
+ Name.find("_Int") != Name.npos ||
+ Name.find("_int") != Name.npos ||
+ Name.find("Int_") != Name.npos ||
+ Name.find("_NOREX") != Name.npos ||
+ Name.find("_TC") != Name.npos ||
+ Name.find("EH_RETURN") != Name.npos ||
+ Name.find("V_SET") != Name.npos ||
+ Name.find("LOCK_") != Name.npos ||
+ Name.find("WIN") != Name.npos ||
+ Name.find("_AVX") != Name.npos ||
+ Name.find("2SDL") != Name.npos)
+ return FILTER_STRONG;
+
+ // Filter out instructions with segment override prefixes.
+ // They're too messy to handle now and we'll special case them if needed.
+
+ if (SegOvr)
+ return FILTER_STRONG;
+
+ // Filter out instructions that can't be printed.
+
+ if (AsmString.size() == 0)
+ return FILTER_STRONG;
+
+ // Filter out instructions with subreg operands.
+
+ if (AsmString.find("subreg") != AsmString.npos)
+ return FILTER_STRONG;
+
+ /////////////////
+ // FILTER_WEAK
+ //
+
+
// Filter out instructions with a LOCK prefix;
// prefer forms that do not have the prefix
if (HasLockPrefix)
return FILTER_WEAK;
-
- // Filter out artificial instructions
- if (Name.find("TAILJMP") != Name.npos ||
- Name.find("_Int") != Name.npos ||
- Name.find("_int") != Name.npos ||
- Name.find("Int_") != Name.npos ||
- Name.find("_NOREX") != Name.npos ||
- Name.find("EH_RETURN") != Name.npos ||
- Name.find("V_SET") != Name.npos ||
- Name.find("LOCK_") != Name.npos ||
- Name.find("WIN") != Name.npos)
- return FILTER_STRONG;
+ // Filter out alternate forms of AVX instructions
+ if (Name.find("_alt") != Name.npos ||
+ Name.find("XrYr") != Name.npos ||
+ Name.find("r64r") != Name.npos ||
+ Name.find("_64mr") != Name.npos ||
+ Name.find("Xrr") != Name.npos ||
+ Name.find("rr64") != Name.npos)
+ return FILTER_WEAK;
+
+ if (Name == "VMASKMOVDQU64" ||
+ Name == "VEXTRACTPSrr64" ||
+ Name == "VMOVQd64rr" ||
+ Name == "VMOVQs64rr")
+ return FILTER_WEAK;
// Special cases.
-
+
if (Name.find("PCMPISTRI") != Name.npos && Name != "PCMPISTRI")
return FILTER_WEAK;
if (Name.find("PCMPESTRI") != Name.npos && Name != "PCMPESTRI")
Name == "PUSH32i16" ||
Name == "PUSH64i16" ||
Name == "MOVPQI2QImr" ||
+ Name == "VMOVPQI2QImr" ||
Name == "MOVSDmr" ||
Name == "MOVSDrm" ||
Name == "MOVSSmr" ||
Name == "CRC32r16")
return FILTER_WEAK;
- // Filter out instructions with segment override prefixes.
- // They're too messy to handle now and we'll special case them if needed.
-
- if (SegOvr)
- return FILTER_STRONG;
-
- // Filter out instructions that can't be printed.
-
- if (AsmString.size() == 0)
- return FILTER_STRONG;
-
- // Filter out instructions with subreg operands.
-
- if (AsmString.find("subreg") != AsmString.npos)
- return FILTER_STRONG;
-
- assert(Form != X86Local::MRMInitReg &&
- "FORMAT_MRMINITREG instruction not skipped");
-
if (HasFROperands && Name.find("MOV") != Name.npos &&
((Name.find("2") != Name.npos && Name.find("32") == Name.npos) ||
(Name.find("to") != Name.npos)))
return FILTER_NORMAL;
}
+
+bool RecognizableInstr::hasFROperands() const {
+ const std::vector<CGIOperandList::OperandInfo> &OperandList = *Operands;
+ unsigned numOperands = OperandList.size();
+
+ for (unsigned operandIndex = 0; operandIndex < numOperands; ++operandIndex) {
+ const std::string &recName = OperandList[operandIndex].Rec->getName();
+
+ if (recName.find("FR") != recName.npos)
+ return true;
+ }
+ return false;
+}
+
+bool RecognizableInstr::has256BitOperands() const {
+ const std::vector<CGIOperandList::OperandInfo> &OperandList = *Operands;
+ unsigned numOperands = OperandList.size();
+
+ for (unsigned operandIndex = 0; operandIndex < numOperands; ++operandIndex) {
+ const std::string &recName = OperandList[operandIndex].Rec->getName();
+
+ if (!recName.compare("VR256") || !recName.compare("f256mem")) {
+ return true;
+ }
+ }
+ return false;
+}
void RecognizableInstr::handleOperand(
bool optional,
}
const std::string &typeName = (*Operands)[operandIndex].Rec->getName();
-
+
Spec->operands[operandIndex].encoding = encodingFromString(typeName,
HasOpSizePrefix);
Spec->operands[operandIndex].type = typeFromString(typeName,
- IsSSE,
- HasREX_WPrefix,
- HasOpSizePrefix);
+ IsSSE,
+ HasREX_WPrefix,
+ HasOpSizePrefix);
++operandIndex;
++physicalOperandIndex;
Spec->insnContext = insnContext();
- const std::vector<CodeGenInstruction::OperandInfo> &OperandList = *Operands;
+ const std::vector<CGIOperandList::OperandInfo> &OperandList = *Operands;
unsigned operandIndex;
unsigned numOperands = OperandList.size();
for (operandIndex = 0; operandIndex < numOperands; ++operandIndex) {
if (OperandList[operandIndex].Constraints.size()) {
- const CodeGenInstruction::ConstraintInfo &Constraint =
+ const CGIOperandList::ConstraintInfo &Constraint =
OperandList[operandIndex].Constraints[0];
if (Constraint.isTied()) {
operandMapping[operandIndex] = Constraint.getTiedOperand();
case X86Local::MRMSrcReg:
// Operand 1 is a register operand in the Reg/Opcode field.
// Operand 2 is a register operand in the R/M field.
+ // - In AVX, there is a register operand in the VEX.vvvv field here -
// Operand 3 (optional) is an immediate.
- assert(numPhysicalOperands >= 2 && numPhysicalOperands <= 3 &&
- "Unexpected number of operands for MRMSrcRegFrm");
+
+ if (HasVEX_4VPrefix)
+ assert(numPhysicalOperands >= 3 && numPhysicalOperands <= 4 &&
+ "Unexpected number of operands for MRMSrcRegFrm with VEX_4V");
+ else
+ assert(numPhysicalOperands >= 2 && numPhysicalOperands <= 3 &&
+ "Unexpected number of operands for MRMSrcRegFrm");
+
HANDLE_OPERAND(roRegister)
+
+ if (HasVEX_4VPrefix)
+ // FIXME: In AVX, the register below becomes the one encoded
+ // in ModRMVEX and the one above the one in the VEX.VVVV field
+ HANDLE_OPERAND(vvvvRegister)
+
HANDLE_OPERAND(rmRegister)
HANDLE_OPTIONAL(immediate)
break;
case X86Local::MRMSrcMem:
// Operand 1 is a register operand in the Reg/Opcode field.
// Operand 2 is a memory operand (possibly SIB-extended)
+ // - In AVX, there is a register operand in the VEX.vvvv field here -
// Operand 3 (optional) is an immediate.
- assert(numPhysicalOperands >= 2 && numPhysicalOperands <= 3 &&
- "Unexpected number of operands for MRMSrcMemFrm");
+
+ if (HasVEX_4VPrefix)
+ assert(numPhysicalOperands >= 3 && numPhysicalOperands <= 4 &&
+ "Unexpected number of operands for MRMSrcMemFrm with VEX_4V");
+ else
+ assert(numPhysicalOperands >= 2 && numPhysicalOperands <= 3 &&
+ "Unexpected number of operands for MRMSrcMemFrm");
+
HANDLE_OPERAND(roRegister)
+
+ if (HasVEX_4VPrefix)
+ // FIXME: In AVX, the register below becomes the one encoded
+ // in ModRMVEX and the one above the one in the VEX.VVVV field
+ HANDLE_OPERAND(vvvvRegister)
+
HANDLE_OPERAND(memory)
HANDLE_OPTIONAL(immediate)
break;
case X86Local::MRM7r:
// Operand 1 is a register operand in the R/M field.
// Operand 2 (optional) is an immediate or relocation.
- assert(numPhysicalOperands <= 2 &&
- "Unexpected number of operands for MRMnRFrm");
+ if (HasVEX_4VPrefix)
+ assert(numPhysicalOperands <= 3 &&
+ "Unexpected number of operands for MRMSrcMemFrm with VEX_4V");
+ else
+ assert(numPhysicalOperands <= 2 &&
+ "Unexpected number of operands for MRMnRFrm");
+ if (HasVEX_4VPrefix)
+ HANDLE_OPERAND(vvvvRegister);
HANDLE_OPTIONAL(rmRegister)
HANDLE_OPTIONAL(relocation)
break;
HANDLE_OPERAND(memory)
HANDLE_OPTIONAL(relocation)
break;
+ case X86Local::RawFrmImm8:
+ // operand 1 is a 16-bit immediate
+ // operand 2 is an 8-bit immediate
+ assert(numPhysicalOperands == 2 &&
+ "Unexpected number of operands for X86Local::RawFrmImm8");
+ HANDLE_OPERAND(immediate)
+ HANDLE_OPERAND(immediate)
+ break;
+ case X86Local::RawFrmImm16:
+ // operand 1 is a 16-bit immediate
+ // operand 2 is a 16-bit immediate
+ HANDLE_OPERAND(immediate)
+ HANDLE_OPERAND(immediate)
+ break;
case X86Local::MRMInitReg:
// Ignored.
break;
TYPE("GR8", TYPE_R8)
TYPE("VR128", TYPE_XMM128)
TYPE("f128mem", TYPE_M128)
+ TYPE("f256mem", TYPE_M256)
TYPE("FR64", TYPE_XMM64)
TYPE("f64mem", TYPE_M64FP)
+ TYPE("sdmem", TYPE_M64FP)
TYPE("FR32", TYPE_XMM32)
TYPE("f32mem", TYPE_M32FP)
+ TYPE("ssmem", TYPE_M32FP)
TYPE("RST", TYPE_ST)
TYPE("i128mem", TYPE_M128)
+ TYPE("i256mem", TYPE_M256)
TYPE("i64i32imm_pcrel", TYPE_REL64)
+ TYPE("i16imm_pcrel", TYPE_REL16)
TYPE("i32imm_pcrel", TYPE_REL32)
- TYPE("SSECC", TYPE_IMM8)
+ TYPE("SSECC", TYPE_IMM3)
TYPE("brtarget", TYPE_RELv)
+ TYPE("uncondbrtarget", TYPE_RELv)
TYPE("brtarget8", TYPE_REL8)
TYPE("f80mem", TYPE_M80FP)
TYPE("lea32mem", TYPE_LEA)
TYPE("opaque512mem", TYPE_M512)
TYPE("SEGMENT_REG", TYPE_SEGMENTREG)
TYPE("DEBUG_REG", TYPE_DEBUGREG)
- TYPE("CONTROL_REG_32", TYPE_CR32)
- TYPE("CONTROL_REG_64", TYPE_CR64)
+ TYPE("CONTROL_REG", TYPE_CONTROLREG)
TYPE("offset8", TYPE_MOFFS8)
TYPE("offset16", TYPE_MOFFS16)
TYPE("offset32", TYPE_MOFFS32)
TYPE("offset64", TYPE_MOFFS64)
+ TYPE("VR256", TYPE_XMM256)
errs() << "Unhandled type string " << s << "\n";
llvm_unreachable("Unhandled type string");
}
ENCODING("i64i32imm", ENCODING_ID)
ENCODING("i64i8imm", ENCODING_IB)
ENCODING("i8imm", ENCODING_IB)
+ // This is not a typo. Instructions like BLENDVPD put
+ // register IDs in 8-bit immediates nowadays.
+ ENCODING("VR256", ENCODING_IB)
+ ENCODING("VR128", ENCODING_IB)
errs() << "Unhandled immediate encoding " << s << "\n";
llvm_unreachable("Unhandled immediate encoding");
}
ENCODING("FR64", ENCODING_RM)
ENCODING("FR32", ENCODING_RM)
ENCODING("VR64", ENCODING_RM)
+ ENCODING("VR256", ENCODING_RM)
errs() << "Unhandled R/M register encoding " << s << "\n";
llvm_unreachable("Unhandled R/M register encoding");
}
ENCODING("VR64", ENCODING_REG)
ENCODING("SEGMENT_REG", ENCODING_REG)
ENCODING("DEBUG_REG", ENCODING_REG)
- ENCODING("CONTROL_REG_32", ENCODING_REG)
- ENCODING("CONTROL_REG_64", ENCODING_REG)
+ ENCODING("CONTROL_REG", ENCODING_REG)
+ ENCODING("VR256", ENCODING_REG)
errs() << "Unhandled reg/opcode register encoding " << s << "\n";
llvm_unreachable("Unhandled reg/opcode register encoding");
}
+OperandEncoding RecognizableInstr::vvvvRegisterEncodingFromString
+ (const std::string &s,
+ bool hasOpSizePrefix) {
+ ENCODING("FR32", ENCODING_VVVV)
+ ENCODING("FR64", ENCODING_VVVV)
+ ENCODING("VR128", ENCODING_VVVV)
+ ENCODING("VR256", ENCODING_VVVV)
+ errs() << "Unhandled VEX.vvvv register encoding " << s << "\n";
+ llvm_unreachable("Unhandled VEX.vvvv register encoding");
+}
+
OperandEncoding RecognizableInstr::memoryEncodingFromString
(const std::string &s,
bool hasOpSizePrefix) {
ENCODING("i32mem", ENCODING_RM)
ENCODING("i64mem", ENCODING_RM)
ENCODING("i8mem", ENCODING_RM)
+ ENCODING("ssmem", ENCODING_RM)
+ ENCODING("sdmem", ENCODING_RM)
ENCODING("f128mem", ENCODING_RM)
+ ENCODING("f256mem", ENCODING_RM)
ENCODING("f64mem", ENCODING_RM)
ENCODING("f32mem", ENCODING_RM)
ENCODING("i128mem", ENCODING_RM)
+ ENCODING("i256mem", ENCODING_RM)
ENCODING("f80mem", ENCODING_RM)
ENCODING("lea32mem", ENCODING_RM)
ENCODING("lea64_32mem", ENCODING_RM)
ENCODING("i64i8imm", ENCODING_IB)
ENCODING("i8imm", ENCODING_IB)
ENCODING("i64i32imm_pcrel", ENCODING_ID)
+ ENCODING("i16imm_pcrel", ENCODING_IW)
ENCODING("i32imm_pcrel", ENCODING_ID)
ENCODING("brtarget", ENCODING_Iv)
ENCODING("brtarget8", ENCODING_IB)