#define BEQLR     BC 12, CR0EQ, (LR)

// memequal(a, b unsafe.Pointer, size uintptr) bool
TEXT runtime·memequal<ABIInternal>(SB),NOSPLIT|NOFRAME,$0-25
	// R3 = a
	// R4 = b
	// R5 = size
	BR	memeqbody<>(SB)

// memequal_varlen(a, b unsafe.Pointer) bool
TEXT runtime·memequal_varlen<ABIInternal>(SB),NOSPLIT|NOFRAME,$0-17
	// R3 = a
	// R4 = b
	CMP	R3, R4
	BEQ	eq
	MOVD	8(R11), R5    // compiler stores size at offset 8 in the closure

// Copyright 2022 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

#include "textflag.h"

TEXT ·publicationBarrier(SB),NOSPLIT|NOFRAME,$0-0
	DBAR

TEXT ·addMulVVW1536(SB), $0-16
	MOVL	$48, BX
	JMP		addMulVVWx(SB)

// func addMulVVW2048(z, x *uint, y uint) (c uint)
TEXT ·addMulVVW2048(SB), $0-16
	MOVL	$64, BX
	JMP		addMulVVWx(SB)

TEXT addMulVVWx(SB), NOFRAME|NOSPLIT, $0
	MOVL z+0(FP), DI
	MOVL x+4(FP), SI
	MOVL y+8(FP), BP
	LEAL (DI)(BX*4), DI
	LEAL (SI)(BX*4), SI
	NEGL BX			// i = -n
	MOVL $0, CX		// c = 0
	JMP E6

L6:	MOVL (SI)(BX*4), AX
	MULL BP

// license that can be found in the LICENSE file.

//go:build !purego

#include "textflag.h"

// func kdsa(fc uint64, params *[4096]byte) (errn uint64)
TEXT ·kdsa(SB), NOSPLIT|NOFRAME, $0-24
	MOVD fc+0(FP), R0     // function code
	MOVD params+8(FP), R1 // address parameter block

loop:
	KDSA R0, R4      // compute digital signature authentication
	BVS  loop        // branch back if interrupted

// license that can be found in the LICENSE file.

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

#define	REGCTXT	R29

// memequal(a, b unsafe.Pointer, size uintptr) bool
TEXT runtime·memequal<ABIInternal>(SB),NOSPLIT|NOFRAME,$0-25
	BEQ	R4, R5, eq
	ADDV	R4, R6, R7
	PCALIGN	$16
loop:
	BNE	R4, R7, test
	MOVV	$1, R4
	RET
test:
	MOVBU	(R4), R9
	ADDV	$1, R4
	MOVBU	(R5), R10
	ADDV	$1, R5
	BEQ	R9, R10, loop

	RET

TEXT runtime·abort(SB),NOSPLIT|NOFRAME,$0-0
	UNDEF

// AES hashing not implemented for wasm
TEXT runtime·memhash(SB),NOSPLIT|NOFRAME,$0-32
	JMP	runtime·memhashFallback(SB)
TEXT runtime·strhash(SB),NOSPLIT|NOFRAME,$0-24
	JMP	runtime·strhashFallback(SB)
TEXT runtime·memhash32(SB),NOSPLIT|NOFRAME,$0-24
	JMP	runtime·memhash32Fallback(SB)
TEXT runtime·memhash64(SB),NOSPLIT|NOFRAME,$0-24
	JMP	runtime·memhash64Fallback(SB)

	MOVV	R2, (R2)
	JMP	0(PC)

TEXT runtime·open(SB),NOSPLIT|NOFRAME,$0
	MOVV	name+0(FP), R4		// arg 1 - path
	MOVW	mode+8(FP), R5		// arg 2 - mode
	MOVW	perm+12(FP), R6		// arg 3 - perm
	MOVV	$5, R2			// sys_open
	SYSCALL
	BEQ	R7, 2(PC)
	MOVW	$-1, R2
	MOVW	R2, ret+16(FP)
	RET

TEXT runtime·closefd(SB),NOSPLIT|NOFRAME,$0
	MOVW	fd+0(FP), R4		// arg 1 - fd
	MOVV	$6, R2			// sys_close
	SYSCALL

ok:
	MOVW	R0, ret+8(FP)
	RET

TEXT runtime·read(SB),NOSPLIT|NOFRAME,$0
	MOVW	fd+0(FP), R0		// arg 1 - fd
	MOVD	p+8(FP), R1		// arg 2 - buf
	MOVW	n+16(FP), R2		// arg 3 - count
	SVC	$SYS_read
	BCC	ok
	NEG	R0, R0
ok:
	MOVW	R0, ret+24(FP)
	RET

// func pipe2(flags int32) (r, w int32, errno int32)
TEXT runtime·pipe2(SB),NOSPLIT|NOFRAME,$0-20
	ADD	$16, RSP, R0
	MOVW	flags+0(FP), R1
	SVC	$SYS_pipe2

	UNDEF

// AES hashing not implemented for mips
TEXT runtime·memhash(SB),NOSPLIT|NOFRAME,$0-16
	JMP	runtime·memhashFallback(SB)
TEXT runtime·strhash(SB),NOSPLIT|NOFRAME,$0-12
	JMP	runtime·strhashFallback(SB)
TEXT runtime·memhash32(SB),NOSPLIT|NOFRAME,$0-12
	JMP	runtime·memhash32Fallback(SB)
TEXT runtime·memhash64(SB),NOSPLIT|NOFRAME,$0-12
	JMP	runtime·memhash64Fallback(SB)

TEXT runtime·return0(SB),NOSPLIT,$0

//go:build linux && (ppc64 || ppc64le)

#include "textflag.h"

//
// System calls for ppc64, Linux
//

// func rawVforkSyscall(trap, a1, a2, a3 uintptr) (r1, err uintptr)
TEXT ·rawVforkSyscall(SB),NOSPLIT|NOFRAME,$0-48
	MOVD	a1+8(FP), R3
	MOVD	a2+16(FP), R4
	MOVD	a3+24(FP), R5
	MOVD	R0, R6
	MOVD	R0, R7
	MOVD	R0, R8
	MOVD	trap+0(FP), R9	// syscall entry
	SYSCALL R9
	BVC	ok
	MOVD	$-1, R4
	MOVD	R4, r1+32(FP)	// r1