-//===- X86.td - Target definition file for the Intel X86 ---*- tablegen -*-===//
+//===-- X86.td - Target definition file for the Intel X86 --*- tablegen -*-===//
//
// The LLVM Compiler Infrastructure
//
include "llvm/Target/Target.td"
//===----------------------------------------------------------------------===//
-// X86 Subtarget state.
+// X86 Subtarget state
//
def Mode64Bit : SubtargetFeature<"64bit-mode", "In64BitMode", "true",
"64-bit mode (x86_64)">;
//===----------------------------------------------------------------------===//
-// X86 Subtarget features.
+// X86 Subtarget features
//===----------------------------------------------------------------------===//
def FeatureCMOV : SubtargetFeature<"cmov","HasCMov", "true",
"IsUAMemFast", "true",
"Fast unaligned memory access">;
def FeatureSSE4A : SubtargetFeature<"sse4a", "HasSSE4A", "true",
- "Support SSE 4a instructions">;
+ "Support SSE 4a instructions",
+ [FeatureSSE3]>;
-def FeatureAVX : SubtargetFeature<"avx", "HasAVX", "true",
- "Enable AVX instructions">;
-def FeatureAVX2 : SubtargetFeature<"avx2", "HasAVX2", "true",
+def FeatureAVX : SubtargetFeature<"avx", "X86SSELevel", "AVX",
+ "Enable AVX instructions",
+ [FeatureSSE42]>;
+def FeatureAVX2 : SubtargetFeature<"avx2", "X86SSELevel", "AVX2",
"Enable AVX2 instructions",
[FeatureAVX]>;
-def FeatureCLMUL : SubtargetFeature<"clmul", "HasCLMUL", "true",
- "Enable carry-less multiplication instructions">;
-def FeatureFMA3 : SubtargetFeature<"fma3", "HasFMA3", "true",
- "Enable three-operand fused multiple-add">;
+def FeaturePCLMUL : SubtargetFeature<"pclmul", "HasPCLMUL", "true",
+ "Enable packed carry-less multiplication instructions",
+ [FeatureSSE2]>;
+def FeatureFMA : SubtargetFeature<"fma", "HasFMA", "true",
+ "Enable three-operand fused multiple-add",
+ [FeatureAVX]>;
def FeatureFMA4 : SubtargetFeature<"fma4", "HasFMA4", "true",
- "Enable four-operand fused multiple-add">;
-def FeatureXOP : SubtargetFeature<"xop", "HasXOP", "true",
- "Enable XOP instructions">;
+ "Enable four-operand fused multiple-add",
+ [FeatureAVX, FeatureSSE4A]>;
+def FeatureXOP : SubtargetFeature<"xop", "HasXOP", "true",
+ "Enable XOP instructions",
+ [FeatureFMA4]>;
def FeatureVectorUAMem : SubtargetFeature<"vector-unaligned-mem",
"HasVectorUAMem", "true",
"Allow unaligned memory operands on vector/SIMD instructions">;
def FeatureAES : SubtargetFeature<"aes", "HasAES", "true",
- "Enable AES instructions">;
+ "Enable AES instructions",
+ [FeatureSSE2]>;
def FeatureMOVBE : SubtargetFeature<"movbe", "HasMOVBE", "true",
"Support MOVBE instruction">;
def FeatureRDRAND : SubtargetFeature<"rdrand", "HasRDRAND", "true",
"Support BMI instructions">;
def FeatureBMI2 : SubtargetFeature<"bmi2", "HasBMI2", "true",
"Support BMI2 instructions">;
+def FeatureRTM : SubtargetFeature<"rtm", "HasRTM", "true",
+ "Support RTM instructions">;
+def FeatureLeaForSP : SubtargetFeature<"lea-sp", "UseLeaForSP", "true",
+ "Use LEA for adjusting the stack pointer">;
+def FeatureSlowDivide : SubtargetFeature<"idiv-to-divb",
+ "HasSlowDivide", "true",
+ "Use small divide for positive values less than 256">;
+def FeaturePadShortFunctions : SubtargetFeature<"pad-short-functions",
+ "PadShortFunctions", "true",
+ "Pad short functions">;
//===----------------------------------------------------------------------===//
// X86 processors supported.
//===----------------------------------------------------------------------===//
+include "X86Schedule.td"
+
+def ProcIntelAtom : SubtargetFeature<"atom", "X86ProcFamily", "IntelAtom",
+ "Intel Atom processors">;
+
class Proc<string Name, list<SubtargetFeature> Features>
- : Processor<Name, NoItineraries, Features>;
+ : ProcessorModel<Name, GenericModel, Features>;
+
+class AtomProc<string Name, list<SubtargetFeature> Features>
+ : ProcessorModel<Name, AtomModel, Features>;
def : Proc<"generic", []>;
def : Proc<"i386", []>;
def : Proc<"pentium-m", [FeatureSSE2, FeatureSlowBTMem]>;
def : Proc<"pentium4", [FeatureSSE2]>;
def : Proc<"pentium4m", [FeatureSSE2, FeatureSlowBTMem]>;
-def : Proc<"x86-64", [FeatureSSE2, Feature64Bit, FeatureSlowBTMem]>;
+def : Proc<"x86-64", [FeatureSSE2, Feature64Bit, FeatureSlowBTMem,
+ FeatureFastUAMem]>;
def : Proc<"yonah", [FeatureSSE3, FeatureSlowBTMem]>;
def : Proc<"prescott", [FeatureSSE3, FeatureSlowBTMem]>;
def : Proc<"nocona", [FeatureSSE3, FeatureCMPXCHG16B,
FeatureSlowBTMem]>;
def : Proc<"penryn", [FeatureSSE41, FeatureCMPXCHG16B,
FeatureSlowBTMem]>;
-def : Proc<"atom", [FeatureSSE3, FeatureCMPXCHG16B, FeatureMOVBE,
- FeatureSlowBTMem]>;
+def : AtomProc<"atom", [ProcIntelAtom, FeatureSSSE3, FeatureCMPXCHG16B,
+ FeatureMOVBE, FeatureSlowBTMem, FeatureLeaForSP,
+ FeatureSlowDivide, FeaturePadShortFunctions]>;
// "Arrandale" along with corei3 and corei5
def : Proc<"corei7", [FeatureSSE42, FeatureCMPXCHG16B,
- FeatureSlowBTMem, FeatureFastUAMem, FeatureAES]>;
+ FeatureSlowBTMem, FeatureFastUAMem,
+ FeaturePOPCNT, FeatureAES]>;
def : Proc<"nehalem", [FeatureSSE42, FeatureCMPXCHG16B,
- FeatureSlowBTMem, FeatureFastUAMem]>;
+ FeatureSlowBTMem, FeatureFastUAMem,
+ FeaturePOPCNT]>;
// Westmere is a similar machine to nehalem with some additional features.
// Westmere is the corei3/i5/i7 path from nehalem to sandybridge
def : Proc<"westmere", [FeatureSSE42, FeatureCMPXCHG16B,
- FeatureSlowBTMem, FeatureFastUAMem, FeatureAES,
- FeatureCLMUL]>;
+ FeatureSlowBTMem, FeatureFastUAMem,
+ FeaturePOPCNT, FeatureAES, FeaturePCLMUL]>;
// Sandy Bridge
// SSE is not listed here since llvm treats AVX as a reimplementation of SSE,
// rather than a superset.
-// FIXME: Disabling AVX for now since it's not ready.
-def : Proc<"corei7-avx", [FeatureSSE42, FeatureCMPXCHG16B,
- FeatureAES, FeatureCLMUL]>;
+def : Proc<"corei7-avx", [FeatureAVX, FeatureCMPXCHG16B, FeatureFastUAMem,
+ FeaturePOPCNT, FeatureAES, FeaturePCLMUL]>;
// Ivy Bridge
-def : Proc<"core-avx-i", [FeatureSSE42, FeatureCMPXCHG16B,
- FeatureAES, FeatureCLMUL,
+def : Proc<"core-avx-i", [FeatureAVX, FeatureCMPXCHG16B, FeatureFastUAMem,
+ FeaturePOPCNT, FeatureAES, FeaturePCLMUL,
FeatureRDRAND, FeatureF16C, FeatureFSGSBase]>;
// Haswell
-// FIXME: Disabling AVX/AVX2 for now since it's not ready.
-def : Proc<"core-avx2", [FeatureSSE42, FeatureCMPXCHG16B, FeatureAES,
- FeatureCLMUL, FeatureRDRAND, FeatureF16C,
- FeatureFSGSBase, FeatureFMA3, FeatureMOVBE,
- FeatureLZCNT, FeatureBMI, FeatureBMI2]>;
+def : Proc<"core-avx2", [FeatureAVX2, FeatureCMPXCHG16B, FeatureFastUAMem,
+ FeaturePOPCNT, FeatureAES, FeaturePCLMUL,
+ FeatureRDRAND, FeatureF16C, FeatureFSGSBase,
+ FeatureMOVBE, FeatureLZCNT, FeatureBMI,
+ FeatureBMI2, FeatureFMA,
+ FeatureRTM]>;
def : Proc<"k6", [FeatureMMX]>;
def : Proc<"k6-2", [Feature3DNow]>;
FeatureSlowBTMem]>;
def : Proc<"athlon64-sse3", [FeatureSSE3, Feature3DNowA, FeatureCMPXCHG16B,
FeatureSlowBTMem]>;
-def : Proc<"amdfam10", [FeatureSSE3, FeatureSSE4A,
+def : Proc<"amdfam10", [FeatureSSE4A,
Feature3DNowA, FeatureCMPXCHG16B, FeatureLZCNT,
- FeatureSlowBTMem]>;
-// FIXME: Disabling AVX for now since it's not ready.
-def : Proc<"bdver1", [FeatureSSE42, FeatureSSE4A, FeatureCMPXCHG16B,
- FeatureAES, FeatureCLMUL, FeatureFMA4,
- FeatureXOP, FeatureLZCNT]>;
-def : Proc<"bdver2", [FeatureSSE42, FeatureSSE4A, FeatureCMPXCHG16B,
- FeatureAES, FeatureCLMUL, FeatureFMA4,
- FeatureXOP, FeatureF16C, FeatureLZCNT,
- FeatureBMI]>;
+ FeaturePOPCNT, FeatureSlowBTMem]>;
+// Bobcat
+def : Proc<"btver1", [FeatureSSSE3, FeatureSSE4A, FeatureCMPXCHG16B,
+ FeatureLZCNT, FeaturePOPCNT]>;
+// Bulldozer
+def : Proc<"bdver1", [FeatureXOP, FeatureFMA4, FeatureCMPXCHG16B,
+ FeatureAES, FeaturePCLMUL,
+ FeatureLZCNT, FeaturePOPCNT]>;
+// Enhanced Bulldozer
+def : Proc<"bdver2", [FeatureXOP, FeatureFMA4, FeatureCMPXCHG16B,
+ FeatureAES, FeaturePCLMUL,
+ FeatureF16C, FeatureLZCNT,
+ FeaturePOPCNT, FeatureBMI, FeatureFMA]>;
+def : Proc<"geode", [Feature3DNowA]>;
def : Proc<"winchip-c6", [FeatureMMX]>;
def : Proc<"winchip2", [Feature3DNow]>;
// Assembly Parser
//===----------------------------------------------------------------------===//
-// Currently the X86 assembly parser only supports ATT syntax.
def ATTAsmParser : AsmParser {
- string AsmParserClassName = "ATTAsmParser";
+ string AsmParserClassName = "AsmParser";
+}
+
+def ATTAsmParserVariant : AsmParserVariant {
int Variant = 0;
// Discard comments in assembly strings.
string RegisterPrefix = "%";
}
+def IntelAsmParserVariant : AsmParserVariant {
+ int Variant = 1;
+
+ // Discard comments in assembly strings.
+ string CommentDelimiter = ";";
+
+ // Recognize hard coded registers.
+ string RegisterPrefix = "";
+}
+
//===----------------------------------------------------------------------===//
// Assembly Printers
//===----------------------------------------------------------------------===//
def X86 : Target {
// Information about the instructions...
let InstructionSet = X86InstrInfo;
-
let AssemblyParsers = [ATTAsmParser];
-
+ let AssemblyParserVariants = [ATTAsmParserVariant, IntelAsmParserVariant];
let AssemblyWriters = [ATTAsmWriter, IntelAsmWriter];
}