MAP(E8, 39) \
MAP(F0, 40) \
MAP(F8, 41) \
- MAP(F9, 42)
+ 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 {
DC = 7, DD = 8, DE = 9, DF = 10,
XD = 11, XS = 12,
T8 = 13, P_TA = 14,
- P_0F_AE = 16, P_0F_01 = 17
+ A6 = 15, A7 = 16
};
}
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");
Operands = &insn.Operands.OperandList;
IsSSE = HasOpSizePrefix && (Name.find("16") == Name.npos);
- HasFROperands = false;
+ HasFROperands = hasFROperands();
+ HasVEX_LPrefix = has256BitOperands() || Rec->getValueAsBit("hasVEX_L");
+ // Check for 64-bit inst which does not require REX
+ Is64Bit = false;
+ // FIXME: Is there some better way to check for In64BitMode?
+ std::vector<Record*> Predicates = Rec->getValueAsListOfDefs("Predicates");
+ for (unsigned i = 0, e = Predicates.size(); i != e; ++i) {
+ if (Predicates[i]->getName().find("64Bit") != Name.npos) {
+ Is64Bit = true;
+ break;
+ }
+ }
+ // FIXME: These instructions aren't marked as 64-bit in any way
+ Is64Bit |= Rec->getName() == "JMP64pcrel32" ||
+ Rec->getName() == "MASKMOVDQU64" ||
+ Rec->getName() == "POPFS64" ||
+ Rec->getName() == "POPGS64" ||
+ Rec->getName() == "PUSHFS64" ||
+ Rec->getName() == "PUSHGS64" ||
+ Rec->getName() == "REX64_PREFIX" ||
+ Rec->getName().find("VMREAD64") != Name.npos ||
+ Rec->getName().find("VMWRITE64") != Name.npos ||
+ Rec->getName().find("MOV64") != Name.npos ||
+ Rec->getName().find("PUSH64") != Name.npos ||
+ Rec->getName().find("POP64") != Name.npos;
+
ShouldBeEmitted = true;
}
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 (Is64Bit || 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"))
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("_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)
- 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.
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;
-
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;
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");
- HANDLE_OPERAND(roRegister)
- HANDLE_OPERAND(rmRegister)
+ 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_OPTIONAL(rmRegister)
- else
- HANDLE_OPTIONAL(immediate)
+ 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_OPTIONAL(rmRegister)
+ HANDLE_OPERAND(vvvvRegister)
HANDLE_OPERAND(memory)
HANDLE_OPTIONAL(immediate)
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;
filter = new DumbFilter();
opcodeToSet = Opcode;
break;
+ case X86Local::A6:
+ opcodeType = THREEBYTE_A6;
+ if (needsModRMForDecode(Form))
+ filter = new ModFilter(isRegFormat(Form));
+ else
+ filter = new DumbFilter();
+ opcodeToSet = Opcode;
+ break;
+ case X86Local::A7:
+ opcodeType = THREEBYTE_A7;
+ if (needsModRMForDecode(Form))
+ filter = new ModFilter(isRegFormat(Form));
+ else
+ filter = new DumbFilter();
+ opcodeToSet = Opcode;
+ break;
case X86Local::D8:
case X86Local::D9:
case X86Local::DA:
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_IMM3)
TYPE("brtarget", TYPE_RELv)
+ TYPE("uncondbrtarget", TYPE_RELv)
TYPE("brtarget8", TYPE_REL8)
TYPE("f80mem", TYPE_M80FP)
TYPE("lea32mem", TYPE_LEA)
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("SEGMENT_REG", ENCODING_REG)
ENCODING("DEBUG_REG", 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("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)
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