shlVU - Code Search

src/math/big/arith_decl.go

//go:noescape
func subVW(z, x []Word, y Word) (c Word)

// shlVU should be an internal detail,
// but widely used packages access it using linkname.
// Notable members of the hall of shame include:
//   - github.com/remyoudompheng/bigfft
//
// Do not remove or change the type signature.
// See go.dev/issue/67401.
//
//go:linkname shlVU
//go:noescape
func shlVU(z, x []Word, s uint) (c Word)

//go:noescape

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

- Last Modified: Thu May 23 01:15:13 UTC 2024

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github.com/golang/go

src/math/big/arith_test.go

	{argshlVUIn, 7, 0, 1, 0, argshlVUr0, 0, "partial overlap by 6 Words of shlVU and shift of 0"},
	{argshlVUIn, 7, 0, 1, 1, argshlVUr1, 0, "partial overlap by 6 Words of shlVU and shift of 1"},
	{argshlVUIn, 7, 0, 1, _W - 1, argshlVUrWm1, 32, "partial overlap by 6 Words of shlVU and shift of _W - 1"},
	{argshlVUIn, 7, 0, 2, 0, argshlVUr0, 0, "partial overlap by 5 Words of shlVU and shift of 0"},

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

- Last Modified: Wed Nov 02 14:43:52 UTC 2022

- 19.9K bytes

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github.com/golang/go

src/math/big/arith_wasm.s

TEXT ·addVV(SB),NOSPLIT,$0
	JMP ·addVV_g(SB)

TEXT ·subVV(SB),NOSPLIT,$0
	JMP ·subVV_g(SB)

TEXT ·addVW(SB),NOSPLIT,$0
	JMP ·addVW_g(SB)

TEXT ·subVW(SB),NOSPLIT,$0
	JMP ·subVW_g(SB)

TEXT ·shlVU(SB),NOSPLIT,$0
	JMP ·shlVU_g(SB)

TEXT ·shrVU(SB),NOSPLIT,$0
	JMP ·shrVU_g(SB)

TEXT ·mulAddVWW(SB),NOSPLIT,$0
	JMP ·mulAddVWW_g(SB)

TEXT ·addMulVVW(SB),NOSPLIT,$0

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

- Last Modified: Thu Oct 19 23:33:27 UTC 2023

- 613 bytes

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github.com/golang/go

src/math/big/arith_mipsx.s

TEXT ·addVV(SB),NOSPLIT,$0
	JMP	·addVV_g(SB)

TEXT ·subVV(SB),NOSPLIT,$0
	JMP	·subVV_g(SB)

TEXT ·addVW(SB),NOSPLIT,$0
	JMP	·addVW_g(SB)

TEXT ·subVW(SB),NOSPLIT,$0
	JMP	·subVW_g(SB)

TEXT ·shlVU(SB),NOSPLIT,$0
	JMP	·shlVU_g(SB)

TEXT ·shrVU(SB),NOSPLIT,$0
	JMP	·shrVU_g(SB)

TEXT ·mulAddVWW(SB),NOSPLIT,$0
	JMP	·mulAddVWW_g(SB)

TEXT ·addMulVVW(SB),NOSPLIT,$0

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

- Last Modified: Thu Oct 19 23:33:27 UTC 2023

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github.com/golang/go

src/math/big/arith_loong64.s

TEXT ·addVV(SB),NOSPLIT,$0
	JMP ·addVV_g(SB)

TEXT ·subVV(SB),NOSPLIT,$0
	JMP ·subVV_g(SB)

TEXT ·addVW(SB),NOSPLIT,$0
	JMP ·addVW_g(SB)

TEXT ·subVW(SB),NOSPLIT,$0
	JMP ·subVW_g(SB)

TEXT ·shlVU(SB),NOSPLIT,$0
	JMP ·shlVU_g(SB)

TEXT ·shrVU(SB),NOSPLIT,$0
	JMP ·shrVU_g(SB)

TEXT ·mulAddVWW(SB),NOSPLIT,$0
	JMP ·mulAddVWW_g(SB)

TEXT ·addMulVVW(SB),NOSPLIT,$0

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

- Last Modified: Thu Oct 19 23:33:27 UTC 2023

- 749 bytes

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github.com/golang/go

src/math/big/arith_mips64x.s

TEXT ·addVV(SB),NOSPLIT,$0
	JMP ·addVV_g(SB)

TEXT ·subVV(SB),NOSPLIT,$0
	JMP ·subVV_g(SB)

TEXT ·addVW(SB),NOSPLIT,$0
	JMP ·addVW_g(SB)

TEXT ·subVW(SB),NOSPLIT,$0
	JMP ·subVW_g(SB)

TEXT ·shlVU(SB),NOSPLIT,$0
	JMP ·shlVU_g(SB)

TEXT ·shrVU(SB),NOSPLIT,$0
	JMP ·shrVU_g(SB)

TEXT ·mulAddVWW(SB),NOSPLIT,$0
	JMP ·mulAddVWW_g(SB)

TEXT ·addMulVVW(SB),NOSPLIT,$0

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

- Last Modified: Thu Oct 19 23:33:27 UTC 2023

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github.com/golang/go

src/math/big/arith_riscv64.s

TEXT ·addVV(SB),NOSPLIT,$0
	JMP ·addVV_g(SB)

TEXT ·subVV(SB),NOSPLIT,$0
	JMP ·subVV_g(SB)

TEXT ·addVW(SB),NOSPLIT,$0
	JMP ·addVW_g(SB)

TEXT ·subVW(SB),NOSPLIT,$0
	JMP ·subVW_g(SB)

TEXT ·shlVU(SB),NOSPLIT,$0
	JMP ·shlVU_g(SB)

TEXT ·shrVU(SB),NOSPLIT,$0
	JMP ·shrVU_g(SB)

TEXT ·mulAddVWW(SB),NOSPLIT,$0
	JMP ·mulAddVWW_g(SB)

TEXT ·addMulVVW(SB),NOSPLIT,$0

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

- Last Modified: Thu Oct 19 23:33:27 UTC 2023

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github.com/golang/go

src/math/big/arith_decl_pure.go

func subVW(z, x []Word, y Word) (c Word) {
	// TODO: remove indirect function call when golang.org/issue/30548 is fixed
	fn := subVW_g
	if len(z) > 32 {
		fn = subVWlarge
	}
	return fn(z, x, y)
}

func shlVU(z, x []Word, s uint) (c Word) {
	return shlVU_g(z, x, s)
}

func shrVU(z, x []Word, s uint) (c Word) {
	return shrVU_g(z, x, s)
}

func mulAddVWW(z, x []Word, y, r Word) (c Word) {

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

- Last Modified: Thu Oct 19 23:33:27 UTC 2023

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github.com/golang/go

src/math/big/arith_386.s

	SUBL AX, DX
	MOVL DX, (DI)(BX*4)
	SBBL AX, AX		// save CF
	NEGL AX
	ADDL $1, BX		// i++

E4:	CMPL BX, BP		// i < n
	JL L4

	MOVL AX, c+28(FP)
	RET


// func shlVU(z, x []Word, s uint) (c Word)
TEXT ·shlVU(SB),NOSPLIT,$0
	MOVL z_len+4(FP), BX	// i = z
	SUBL $1, BX		// i--
	JL X8b			// i < 0	(n <= 0)

	// n > 0
	MOVL z+0(FP), DI
	MOVL x+12(FP), SI
	MOVL s+24(FP), CX

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

- Last Modified: Thu Oct 19 23:33:27 UTC 2023

- 4K bytes

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github.com/golang/go

src/math/big/arith_arm.s

	B	E4
L4:
	MOVW.P	4(R2), R5
	SBC.S	$0, R5
	MOVW.P	R5, 4(R1)
E4:
	TEQ	R1, R4
	BNE	L4

	MOVW	$0, R0
	MOVW.CC	$1, R0
	MOVW	R0, c+28(FP)
	RET


// func shlVU(z, x []Word, s uint) (c Word)
TEXT ·shlVU(SB),NOSPLIT,$0
	MOVW	z_len+4(FP), R5
	TEQ	$0, R5
	BEQ	X7

	MOVW	z+0(FP), R1
	MOVW	x+12(FP), R2
	ADD	R5<<2, R2, R2
	ADD	R5<<2, R1, R5
	MOVW	s+24(FP), R3

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

- Last Modified: Thu Oct 19 23:33:27 UTC 2023

- 4K bytes

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