movbeq - Code Search

test/codegen/memcombine.go

	// ppc64le:`MOVWBR`
	// ppc64:`MOVW\s`
	b[1], b[2], b[3], b[4] = byte(val>>24), byte(val>>16), byte(val>>8), byte(val)
}

func store_be_byte_8(b []byte, val uint64) {
	_ = b[8]
	// arm64:`REV`,`MOVD\sR[0-9]+,\s1\(R[0-9]+\)`,-`MOVB`,-`MOVH`,-`MOVW`,-`REV16W`,-`REVW`
	// amd64/v1,amd64/v2:`MOVQ\s[A-Z]+,\s1\([A-Z]+\)`,-`MOVB`,-`MOVW`,-`MOVL`
	// amd64/v3:`MOVBEQ\s[A-Z]+,\s1\([A-Z]+\)`, -`MOVBEL`

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github.com/golang/go

src/cmd/compile/internal/amd64/versions_test.go

		"pmovzxbw", "pmovzxbd", "pmovzxbq", "pmovzxwd", "pmovzxwq", "pmovzxdq",
		"pmovsxbw", "pmovsxbd", "pmovsxbq", "pmovsxwd", "pmovsxwq", "pmovsxdq",
		"pblendvb",
	},
	"fma":   {"vfmadd231sd"},
	"movbe": {"movbeqq", "movbeq", "movbell", "movbel", "movbe"},
	"lzcnt": {"lzcntq", "lzcntl", "lzcnt"},
}

// Test to use POPCNT instruction, if available
func TestPopCnt(t *testing.T) {
	for _, tt := range []struct {
		x    uint64

Registered: Wed Jun 12 16:32:35 UTC 2024

- Last Modified: Tue Nov 15 20:19:15 UTC 2022

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github.com/golang/go

src/cmd/internal/obj/x86/anames.go

	"MASKMOVOU",
	"MASKMOVQ",
	"MAXPD",
	"MAXPS",
	"MAXSD",
	"MAXSS",
	"MFENCE",
	"MINPD",
	"MINPS",
	"MINSD",
	"MINSS",
	"MONITOR",
	"MOVAPD",
	"MOVAPS",
	"MOVB",
	"MOVBEL",
	"MOVBEQ",
	"MOVBEW",
	"MOVBLSX",
	"MOVBLZX",
	"MOVBQSX",
	"MOVBQZX",
	"MOVBWSX",
	"MOVBWZX",
	"MOVDDUP",
	"MOVHLPS",
	"MOVHPD",
	"MOVHPS",
	"MOVL",
	"MOVLHPS",
	"MOVLPD",

Registered: Wed Jun 12 16:32:35 UTC 2024

- Last Modified: Tue Apr 11 18:32:50 UTC 2023

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github.com/golang/go

src/cmd/compile/internal/ssa/_gen/AMD64Ops.go

		{name: "MOVBEQloadidx8", argLength: 3, reg: gploadidx, asm: "MOVBEQ", scale: 8, aux: "SymOff", typ: "UInt64", symEffect: "Read"},                    // load and swap 8 bytes from arg0+8*arg1+auxint+aux. arg2=mem
		// indexed MOVBE stores

Registered: Wed Jun 12 16:32:35 UTC 2024

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github.com/golang/go

test/codegen/mathbits.go

}

func LeadingZeros32(n uint32) int {
	// amd64/v1,amd64/v2:"BSRQ","LEAQ",-"CMOVQEQ"
	// amd64/v3: "LZCNTL",- "BSRL"
	// s390x:"FLOGR"
	// arm:"CLZ" arm64:"CLZW"
	// mips:"CLZ"
	// wasm:"I64Clz"
	// ppc64x:"CNTLZW"
	return bits.LeadingZeros32(n)
}

func LeadingZeros16(n uint16) int {
	// amd64/v1,amd64/v2:"BSRL","LEAL",-"CMOVQEQ"
	// amd64/v3: "LZCNTL",- "BSRL"
	// s390x:"FLOGR"
	// arm:"CLZ" arm64:"CLZ"

Registered: Wed Jun 12 16:32:35 UTC 2024

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github.com/golang/go

src/cmd/vendor/golang.org/x/arch/ppc64/ppc64asm/plan9.go

	ADDI:      "ADD",
	MULLI:     "MULLD",
	SRADI:     "SRAD",
	STBCXCC:   "STBCCC",
	STWCXCC:   "STWCCC",
	STDCXCC:   "STDCCC",
	LI:        "MOVD",
	LBZ:       "MOVBZ", STB: "MOVB",
	LBZU: "MOVBZU", STBU: "MOVBU",
	LHZ: "MOVHZ", LHA: "MOVH", STH: "MOVH",
	LHZU: "MOVHZU", STHU: "MOVHU",
	LWZ: "MOVWZ", LWA: "MOVW", STW: "MOVW",
	LWZU: "MOVWZU", STWU: "MOVWU",
	LD: "MOVD", STD: "MOVD",

Registered: Wed Jun 12 16:32:35 UTC 2024

- Last Modified: Tue Nov 22 17:16:14 UTC 2022

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github.com/golang/go

src/cmd/internal/obj/x86/aenum.go

	ALZCNTW
	AMASKMOVOU
	AMASKMOVQ
	AMAXPD
	AMAXPS
	AMAXSD
	AMAXSS
	AMFENCE
	AMINPD
	AMINPS
	AMINSD
	AMINSS
	AMONITOR
	AMOVAPD
	AMOVAPS
	AMOVB
	AMOVBEL
	AMOVBEQ
	AMOVBEW
	AMOVBLSX
	AMOVBLZX
	AMOVBQSX
	AMOVBQZX
	AMOVBWSX
	AMOVBWZX
	AMOVDDUP
	AMOVHLPS
	AMOVHPD
	AMOVHPS
	AMOVL
	AMOVLHPS
	AMOVLPD
	AMOVLPS
	AMOVLQSX

Registered: Wed Jun 12 16:32:35 UTC 2024

- Last Modified: Tue Apr 11 18:32:50 UTC 2023

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github.com/golang/go

src/cmd/asm/internal/arch/arch.go

	instructions["PSLLDQ"] = x86.APSLLO
	instructions["PSRLDQ"] = x86.APSRLO
	instructions["PADDD"] = x86.APADDL
	// Spellings originally used in CL 97235.
	instructions["MOVBELL"] = x86.AMOVBEL
	instructions["MOVBEQQ"] = x86.AMOVBEQ
	instructions["MOVBEWW"] = x86.AMOVBEW

	return &Arch{
		LinkArch:       linkArch,
		Instructions:   instructions,
		Register:       register,
		RegisterPrefix: nil,

Registered: Wed Jun 12 16:32:35 UTC 2024

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github.com/golang/go

src/cmd/asm/internal/asm/testdata/arm.s

	MOVBS	0x00ffffff(R2), R1   // MOVBS 16777215(R2), R1
	MOVBS.P	0x00ffffff(R2), R1   // MOVBS.P 16777215(R2), R1
	MOVBS.W	0x00ffffff(R2), R1   // MOVBS.W 16777215(R2), R1
	MOVBS	-0x00ffffff(R2), R1  // MOVBS -16777215(R2), R1
	MOVBS.P	-0x00ffffff(R2), R1  // MOVBS.P -16777215(R2), R1
	MOVBS.W	-0x00ffffff(R2), R1  // MOVBS.W -16777215(R2), R1
	MOVBU	R1, 0x00ffffff(R2)   // MOVBU R1, 16777215(R2)

Registered: Wed Jun 12 16:32:35 UTC 2024

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github.com/golang/go

test/codegen/bmi.go

	if isPowerOfTwo64(x) {
		r = a
	} else {
		r = b
	}
	// amd64/v3:"CMOVQEQ",-"TESTQ",-"CALL"
	return r * 2 // force return blocks joining
}

func isPowerOfTwoSelect32(x, a, b int32) int32 {
	var r int32
	// amd64/v3:"BLSRL",-"TESTL",-"CALL"
	if isPowerOfTwo32(x) {
		r = a
	} else {
		r = b
	}
	// amd64/v3:"CMOVLEQ",-"TESTL",-"CALL"
	return r * 2 // force return blocks joining
}

Registered: Wed Jun 12 16:32:35 UTC 2024

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