MOVW - Code Search

src/runtime/memclr_s390x.s

	MOVH	$0, 0(R4)
	RET
clear3:
	MOVH	$0, 0(R4)
	MOVB	$0, 2(R4)
	RET

clear4to7:
	CMPBNE	R5, $4, clear5
	MOVW	$0, 0(R4)
	RET
clear5:
	CMPBNE	R5, $5, clear6
	MOVW	$0, 0(R4)
	MOVB	$0, 4(R4)
	RET
clear6:
	CMPBNE	R5, $6, clear7
	MOVW	$0, 0(R4)
	MOVH	$0, 4(R4)
	RET
clear7:
	MOVW	$0, 0(R4)
	MOVH	$0, 4(R4)
	MOVB	$0, 6(R4)
	RET

clear8to11:
	CMPBNE	R5, $8, clear9
	MOVD	$0, 0(R4)
	RET

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

- Last Modified: Fri Jan 29 19:11:07 UTC 2021

- 2K bytes

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github.com/golang/go

src/internal/bytealg/count_arm.s

#include "go_asm.h"
#include "textflag.h"

TEXT ·Count(SB),NOSPLIT,$0-20
	MOVW	b_base+0(FP), R0
	MOVW	b_len+4(FP), R1
	MOVBU	c+12(FP), R2
	MOVW	$ret+16(FP), R7
	B	countbytebody<>(SB)

TEXT ·CountString(SB),NOSPLIT,$0-16
	MOVW	s_base+0(FP), R0
	MOVW	s_len+4(FP), R1
	MOVBU	c+8(FP), R2
	MOVW	$ret+12(FP), R7
	B	countbytebody<>(SB)

// Input:
// R0: data
// R1: data length

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

- Last Modified: Tue Mar 19 16:33:10 UTC 2019

- 917 bytes

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github.com/golang/go

src/syscall/asm_plan9_arm.s

	MOVW	$a1+4(FP), R0	// move syscall args
	MOVW	$sysargs-144(SP), R1
	MOVM.IA	(R0), [R2-R6]
	MOVM.IA	[R2-R6], (R1)
	MOVW	trap+0(FP), R0	// syscall num
	SWI		$0
	MOVW	$0, R2
	MOVW	$r1+28(FP), R3
	MOVM.IA.W	[R0,R2], (R3)
	CMP		$-1, R0
	B.EQ	syscall6err
	BL		runtime·exitsyscall(SB)
	MOVW	$·emptystring+0(SB), R2
	B		syscall6ok
syscall6err:
	MOVW	$errbuf-128(SP), R2
	MOVW	$128, R3

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

- Last Modified: Tue May 08 14:57:01 UTC 2018

- 3.2K bytes

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github.com/golang/go

src/syscall/asm_linux_arm.s

TEXT ·seek(SB),NOSPLIT,$0-28
	BL	runtime·entersyscall(SB)
	MOVW	$SYS__LLSEEK, R7	// syscall entry
	MOVW	fd+0(FP), R0
	MOVW	offset_hi+8(FP), R1
	MOVW	offset_lo+4(FP), R2
	MOVW	$newoffset_lo+16(FP), R3
	MOVW	whence+12(FP), R4
	SWI	$0
	MOVW	$0xfffff001, R6
	CMP	R6, R0
	BLS	okseek
	MOVW	$0, R1
	MOVW	R1, newoffset_lo+16(FP)
	MOVW	R1, newoffset_hi+20(FP)
	RSB	$0, R0, R0
	MOVW	R0, err+24(FP)
	BL	runtime·exitsyscall(SB)
	RET

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

- Last Modified: Thu Sep 07 19:11:15 UTC 2023

- 1.8K bytes

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github.com/golang/go

test/codegen/memops_bigoffset.go

func storeLargeOffset(sw *big1, sd *big2) {
	// ppc64x:`MOVW\s+R[0-9]+,\s[0-9]+\(R[0-9]+\)`,-`ADD`
	sw.w[1<<10] = uint32(10)
	// ppc64le/power10:`MOVW\s+R[0-9]+,\s[0-9]+\(R[0-9]+\)`,-`ADD`
	// ppc64x/power9:`MOVW\s+R[0-9]+\,\s\(R[0-9]+\)`,`ADD`
	// ppc64x/power8:`MOVW\s+R[0-9]+\,\s\(R[0-9]+\)`,`ADD`
	sw.w[1<<16] = uint32(20)
	// ppc64le/power10:`MOVW\s+R[0-9]+,\s[0-9]+\(R[0-9]+\)`,-`ADD`
	// ppc64x/power9:`MOVW\s+R[0-9]+,\s\(R[0-9]+\)`,`ADD`

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

- Last Modified: Mon May 15 18:20:54 UTC 2023

- 2.5K bytes

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github.com/golang/go

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

	MOVW.P	0x20(R2), R1         // MOVW.P 32(R2), R1         // 201092e4
	MOVW.W	0x20(R2), R1         // MOVW.W 32(R2), R1         // 2010b2e5
	MOVW	-0x20(R2), R1        // MOVW -32(R2), R1          // 201012e5
	MOVW.P	-0x20(R2), R1        // MOVW.P -32(R2), R1        // 201012e4
	MOVW.W	-0x20(R2), R1        // MOVW.W -32(R2), R1        // 201032e5
	MOVW	R1, 0x00ffffff(R2)   // MOVW R1, 16777215(R2)
	MOVW	0x00ffffff(R2), R1   // MOVW 16777215(R2), R1

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

- Last Modified: Fri Dec 15 20:51:01 UTC 2023

- 69K bytes

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github.com/golang/go

test/codegen/memcombine.go

	// amd64:"MOVQ",-"MOVL",-"SHRQ"
	// arm64:"MOVD",-"MOVW",-"LSR"
	// ppc64le:"MOVD",-"MOVW",-"SRD"
	p.a = uint32(x)
	// amd64:-"MOVL",-"SHRQ"
	// arm64:-"MOVW",-"LSR"
	// ppc64le:-"MOVW",-"SRD"
	p.b = uint32(x >> 32)
}
func store32be(p *struct{ a, b uint32 }, x uint64) {
	// ppc64:"MOVD",-"MOVW",-"SRD"
	// s390x:"MOVD",-"MOVW",-"SRD"
	p.a = uint32(x >> 32)
	// ppc64:-"MOVW",-"SRD"
	// s390x:-"MOVW",-"SRD"

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

- Last Modified: Thu Mar 21 19:45:41 UTC 2024

- 29.7K bytes

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github.com/golang/go

src/runtime/vlop_arm.s

	MOVW	Rq, 4(R13)
	MOVW	Rr, 8(R13)
	MOVW	Rs, 12(R13)
	MOVW	RM, 16(R13)

	MOVW	Rn, Rr			/* numerator */
	MOVW	g_m(g), Rq
	MOVW	m_divmod(Rq), Rq	/* denominator */
	BL  	runtime·udiv(SB)
	MOVW	Rr, RTMP
	MOVW	4(R13), Rq
	MOVW	8(R13), Rr
	MOVW	12(R13), Rs
	MOVW	16(R13), RM
	RET

TEXT runtime·_div(SB),NOSPLIT,$16-0
	NO_LOCAL_POINTERS
	MOVW	Rq, 4(R13)
	MOVW	Rr, 8(R13)
	MOVW	Rs, 12(R13)

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

- Last Modified: Thu Jun 04 07:25:06 UTC 2020

- 7.1K bytes

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github.com/golang/go

src/runtime/memclr_arm.s

	CMP	TMP, TO
	BHS	_4tail

	MOVW	R0, R1			/* replicate */
	MOVW	R0, R2
	MOVW	R0, R3
	MOVW	R0, R4
	MOVW	R0, R5
	MOVW	R0, R6
	MOVW	R0, R7

_f32loop:
	CMP	TMP, TO
	BHS	_4tail

	MOVM.IA.W [R0-R7], (TO)
	B	_f32loop

_4tail:
	SUB	$3, TOE, TMP	/* do remaining words if possible */
_4loop:
	CMP	TMP, TO
	BHS	_1tail

	MOVW.P	R0, 4(TO)		/* implicit write back */
	B	_4loop

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

- Last Modified: Fri Feb 19 00:41:03 UTC 2021

- 2.6K bytes

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github.com/golang/go

src/math/floor_386.s

#include "textflag.h"

// func archCeil(x float64) float64
TEXT ·archCeil(SB),NOSPLIT,$0
	FMOVD   x+0(FP), F0  // F0=x
	FSTCW   -2(SP)       // save old Control Word
	MOVW    -2(SP), AX
	ANDW    $0xf3ff, AX
	ORW     $0x0800, AX  // Rounding Control set to +Inf
	MOVW    AX, -4(SP)   // store new Control Word
	FLDCW   -4(SP)       // load new Control Word
	FRNDINT              // F0=Ceil(x)
	FLDCW   -2(SP)       // load old Control Word

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

- Last Modified: Thu Apr 15 15:48:19 UTC 2021

- 1.5K bytes

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