TEXT ·Or32(SB), NOSPLIT, $0-20
	MOVV	ptr+0(FP), R4
	MOVW	val+8(FP), R5
	DBAR
	LL	(R4), R6
	OR	R5, R6, R7
	SC	R7, (R4)
	BEQ	R7, -4(PC)
	DBAR
	MOVW R6, ret+16(FP)
	RET

// func And32(addr *uint32, v uint32) old uint32
TEXT ·And32(SB), NOSPLIT, $0-20
	MOVV	ptr+0(FP), R4
	MOVW	val+8(FP), R5
	DBAR
	LL	(R4), R6
	AND	R5, R6, R7
	SC	R7, (R4)
	BEQ	R7, -4(PC)

TEXT runtime·save_g(SB),NOSPLIT|NOFRAME,$0-0
	MOVB	runtime·iscgo(SB), R23
	BEQ	R23, nocgo

	MOVW	R3, R23
	MOVW	g, runtime·tls_g(SB) // TLS relocation clobbers R3
	MOVW	R23, R3

nocgo:
	RET

TEXT runtime·load_g(SB),NOSPLIT|NOFRAME,$0-0
	MOVW	runtime·tls_g(SB), g // TLS relocation clobbers R3
	RET

TEXT ·Or32(SB), NOSPLIT, $0-20
	MOVD	ptr+0(FP), R4
	MOVW	val+8(FP), R5
	MOVW	(R4), R3
repeat:
	OR	R5, R3, R6
	CS	R3, R6, (R4) // if R3==(R4) then (R4)=R6 else R3=(R4)
	BNE	repeat
	MOVW	R3, ret+16(FP)
	RET

// func And32(addr *uint32, v uint32) old uint32
TEXT ·And32(SB), NOSPLIT, $0-20
	MOVD	ptr+0(FP), R4
	MOVW	val+8(FP), R5
	MOVW	(R4), R3
repeat:
	AND	R5, R3, R6

TEXT ·Or32(SB), NOSPLIT, $0-20
	MOVV	ptr+0(FP), R1
	MOVW	val+8(FP), R2

	SYNC
	LL	(R1), R3
	OR	R2, R3, R4
	SC	R4, (R1)
	BEQ	R4, -3(PC)
	SYNC
	MOVW	R3, ret+16(FP)
	RET

// func And32(addr *uint32, v uint32) old uint32
TEXT ·And32(SB), NOSPLIT, $0-20
	MOVV	ptr+0(FP), R1
	MOVW	val+8(FP), R2

	SYNC
	LL	(R1), R3
	AND	R2, R3, R4
	SC	R4, (R1)

// Use a local trampoline, to avoid taking the address of a dynamically exported
// function.
TEXT ·set_crosscall2(SB),NOSPLIT,$0-0
	MOVW	_crosscall2_ptr(SB), R1
	MOVW	$crosscall2_trampoline<>(SB), R2
	MOVW	R2, (R1)
	RET

TEXT crosscall2_trampoline<>(SB),NOSPLIT,$0-0
	JMP	crosscall2(SB)

// Called by C code generated by cmd/cgo.

	MOVD	$·erfrodataL13<>+0(SB), R5
	LGDR	F0, R1
	FMOVD	F0, F6
	SRAD	$48, R1
	MOVH	$16383, R3
	RISBGZ	$49, $63, $0, R1, R2
	MOVW	R2, R6
	MOVW	R3, R7
	CMPBGT	R6, R7, L2
	MOVH	$12287, R1
	MOVW	R1, R7
	CMPBLE	R6, R7 ,L12
	MOVH	$16367, R1
	MOVW	R1, R7
	CMPBGT	R6, R7, L5
	FMOVD	448(R5), F4
	FMADD	F0, F0, F4
	FMOVD	440(R5), F3
	WFMDB	V4, V4, V2
	FMOVD	432(R5), F0
	FMOVD	424(R5), F1

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

#include "textflag.h"

TEXT _rt0_arm_linux(SB),NOSPLIT|NOFRAME,$0
	MOVW	(R13), R0	// argc
	MOVW	$4(R13), R1		// argv
	MOVW	$_rt0_arm_linux1(SB), R4
	B		(R4)

// When building with -buildmode=c-shared, this symbol is called when the shared
// library is loaded.
TEXT _rt0_arm_linux_lib(SB),NOSPLIT,$0

	BGT	usego
	MOVH	$0x3FFF, R3
	MOVW	R1, R6
	MOVW	R3, R7
	CMPBGT	R6, R7, L2
	MOVH	$0x3FEF, R3
	MOVW	R3, R7
	CMPBGT	R6, R7, L3
	MOVH	$0x2FFF, R2
	MOVW	R2, R7
	CMPBGT	R6, R7, L4
	FMOVD	792(R9), F0
	WFSDB	V2, V0, V2
	FMOVD	F2, ret+8(FP)
	RET

L2:
	LTDBR	F0, F0
	MOVH	$0x0, R4
	BLTU	L3
	FMOVD	F0, F1
L9:
	MOVH	$0x400F, R3
	MOVW	R1, R6
	MOVW	R3, R7
	CMPBGT	R6, R7, L10

	// will clobber the test pattern created by the caller
	ADD	$(1024*8), X2

	// Ask signaller to setgid
	MOV	$1, X5
	FENCE
	MOVW	X5, ·Baton(SB)
	FENCE

	// Wait for setgid completion
loop:
	FENCE
	MOVW	·Baton(SB), X5
	OR	X6, X6, X6	// hint that we're in a spin loop
	BNE	ZERO, X5, loop
	FENCE

	// Restore stack
	ADD	$(-1024*8), X2

TEXT ·useVFPv3(SB),NOSPLIT,$0
	WORD $0xeeb70b00	// vmov.f64 d0, #112
	RET

// try to run ARMv6K (or above) "ldrexd" instruction
TEXT ·useARMv6K(SB),NOSPLIT,$32
	MOVW R13, R2
	BIC  $15, R13
	WORD $0xe1bd0f9f	// ldrexd r0, r1, [sp]
	WORD $0xf57ff01f	// clrex
	MOVW R2, R13