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arch.go
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arch.go
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//
// Copyright 2024 CloudWeGo Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
package x86_64
import (
`fmt`
)
// ISA represents an extension to x86-64 instruction set.
type ISA uint64
const (
ISA_CPUID ISA = 1 << iota
ISA_RDTSC
ISA_RDTSCP
ISA_CMOV
ISA_MOVBE
ISA_POPCNT
ISA_LZCNT
ISA_TBM
ISA_BMI
ISA_BMI2
ISA_ADX
ISA_MMX
ISA_MMX_PLUS
ISA_FEMMS
ISA_3DNOW
ISA_3DNOW_PLUS
ISA_SSE
ISA_SSE2
ISA_SSE3
ISA_SSSE3
ISA_SSE4A
ISA_SSE4_1
ISA_SSE4_2
ISA_FMA3
ISA_FMA4
ISA_XOP
ISA_F16C
ISA_AVX
ISA_AVX2
ISA_AVX512F
ISA_AVX512BW
ISA_AVX512DQ
ISA_AVX512VL
ISA_AVX512PF
ISA_AVX512ER
ISA_AVX512CD
ISA_AVX512VBMI
ISA_AVX512IFMA
ISA_AVX512VPOPCNTDQ
ISA_AVX512_4VNNIW
ISA_AVX512_4FMAPS
ISA_PREFETCH
ISA_PREFETCHW
ISA_PREFETCHWT1
ISA_CLFLUSH
ISA_CLFLUSHOPT
ISA_CLWB
ISA_CLZERO
ISA_RDRAND
ISA_RDSEED
ISA_PCLMULQDQ
ISA_AES
ISA_SHA
ISA_MONITOR
ISA_MONITORX
ISA_ALL = ^ISA(0)
)
var _ISA_NAMES = map[ISA]string {
ISA_CPUID : "CPUID",
ISA_RDTSC : "RDTSC",
ISA_RDTSCP : "RDTSCP",
ISA_CMOV : "CMOV",
ISA_MOVBE : "MOVBE",
ISA_POPCNT : "POPCNT",
ISA_LZCNT : "LZCNT",
ISA_TBM : "TBM",
ISA_BMI : "BMI",
ISA_BMI2 : "BMI2",
ISA_ADX : "ADX",
ISA_MMX : "MMX",
ISA_MMX_PLUS : "MMX+",
ISA_FEMMS : "FEMMS",
ISA_3DNOW : "3dnow!",
ISA_3DNOW_PLUS : "3dnow!+",
ISA_SSE : "SSE",
ISA_SSE2 : "SSE2",
ISA_SSE3 : "SSE3",
ISA_SSSE3 : "SSSE3",
ISA_SSE4A : "SSE4A",
ISA_SSE4_1 : "SSE4.1",
ISA_SSE4_2 : "SSE4.2",
ISA_FMA3 : "FMA3",
ISA_FMA4 : "FMA4",
ISA_XOP : "XOP",
ISA_F16C : "F16C",
ISA_AVX : "AVX",
ISA_AVX2 : "AVX2",
ISA_AVX512F : "AVX512F",
ISA_AVX512BW : "AVX512BW",
ISA_AVX512DQ : "AVX512DQ",
ISA_AVX512VL : "AVX512VL",
ISA_AVX512PF : "AVX512PF",
ISA_AVX512ER : "AVX512ER",
ISA_AVX512CD : "AVX512CD",
ISA_AVX512VBMI : "AVX512VBMI",
ISA_AVX512IFMA : "AVX512IFMA",
ISA_AVX512VPOPCNTDQ : "AVX512VPOPCNTDQ",
ISA_AVX512_4VNNIW : "AVX512_4VNNIW",
ISA_AVX512_4FMAPS : "AVX512_4FMAPS",
ISA_PREFETCH : "PREFETCH",
ISA_PREFETCHW : "PREFETCHW",
ISA_PREFETCHWT1 : "PREFETCHWT1",
ISA_CLFLUSH : "CLFLUSH",
ISA_CLFLUSHOPT : "CLFLUSHOPT",
ISA_CLWB : "CLWB",
ISA_CLZERO : "CLZERO",
ISA_RDRAND : "RDRAND",
ISA_RDSEED : "RDSEED",
ISA_PCLMULQDQ : "PCLMULQDQ",
ISA_AES : "AES",
ISA_SHA : "SHA",
ISA_MONITOR : "MONITOR",
ISA_MONITORX : "MONITORX",
}
var _ISA_MAPPING = map[string]ISA {
"CPUID" : ISA_CPUID,
"RDTSC" : ISA_RDTSC,
"RDTSCP" : ISA_RDTSCP,
"CMOV" : ISA_CMOV,
"MOVBE" : ISA_MOVBE,
"POPCNT" : ISA_POPCNT,
"LZCNT" : ISA_LZCNT,
"TBM" : ISA_TBM,
"BMI" : ISA_BMI,
"BMI2" : ISA_BMI2,
"ADX" : ISA_ADX,
"MMX" : ISA_MMX,
"MMX+" : ISA_MMX_PLUS,
"FEMMS" : ISA_FEMMS,
"3dnow!" : ISA_3DNOW,
"3dnow!+" : ISA_3DNOW_PLUS,
"SSE" : ISA_SSE,
"SSE2" : ISA_SSE2,
"SSE3" : ISA_SSE3,
"SSSE3" : ISA_SSSE3,
"SSE4A" : ISA_SSE4A,
"SSE4.1" : ISA_SSE4_1,
"SSE4.2" : ISA_SSE4_2,
"FMA3" : ISA_FMA3,
"FMA4" : ISA_FMA4,
"XOP" : ISA_XOP,
"F16C" : ISA_F16C,
"AVX" : ISA_AVX,
"AVX2" : ISA_AVX2,
"AVX512F" : ISA_AVX512F,
"AVX512BW" : ISA_AVX512BW,
"AVX512DQ" : ISA_AVX512DQ,
"AVX512VL" : ISA_AVX512VL,
"AVX512PF" : ISA_AVX512PF,
"AVX512ER" : ISA_AVX512ER,
"AVX512CD" : ISA_AVX512CD,
"AVX512VBMI" : ISA_AVX512VBMI,
"AVX512IFMA" : ISA_AVX512IFMA,
"AVX512VPOPCNTDQ" : ISA_AVX512VPOPCNTDQ,
"AVX512_4VNNIW" : ISA_AVX512_4VNNIW,
"AVX512_4FMAPS" : ISA_AVX512_4FMAPS,
"PREFETCH" : ISA_PREFETCH,
"PREFETCHW" : ISA_PREFETCHW,
"PREFETCHWT1" : ISA_PREFETCHWT1,
"CLFLUSH" : ISA_CLFLUSH,
"CLFLUSHOPT" : ISA_CLFLUSHOPT,
"CLWB" : ISA_CLWB,
"CLZERO" : ISA_CLZERO,
"RDRAND" : ISA_RDRAND,
"RDSEED" : ISA_RDSEED,
"PCLMULQDQ" : ISA_PCLMULQDQ,
"AES" : ISA_AES,
"SHA" : ISA_SHA,
"MONITOR" : ISA_MONITOR,
"MONITORX" : ISA_MONITORX,
}
func (self ISA) String() string {
if v, ok := _ISA_NAMES[self]; ok {
return v
} else {
return fmt.Sprintf("(invalid: %#x)", uint64(self))
}
}
// ParseISA parses name into ISA, it will panic if the name is invalid.
func ParseISA(name string) ISA {
if v, ok := _ISA_MAPPING[name]; ok {
return v
} else {
panic("invalid ISA name: " + name)
}
}
// Arch represents the x86_64 architecture.
type Arch struct {
isa ISA
}
// DefaultArch is the default architecture with all ISA enabled.
var DefaultArch = CreateArch()
// CreateArch creates a new Arch with all ISA enabled.
func CreateArch() *Arch {
return new(Arch).EnableISA(ISA_ALL)
}
// HasISA checks if a particular ISA was enabled.
func (self *Arch) HasISA(isa ISA) bool {
return (self.isa & isa) != 0
}
// EnableISA enables a particular ISA.
func (self *Arch) EnableISA(isa ISA) *Arch {
self.isa |= isa
return self
}
// DisableISA disables a particular ISA.
func (self *Arch) DisableISA(isa ISA) *Arch {
self.isa &^= isa
return self
}
// CreateProgram creates a new empty program.
func (self *Arch) CreateProgram() *Program {
return newProgram(self)
}