#include "textflag.h"

// See memclrNoHeapPointers Go doc for important implementation constraints.

// func memclrNoHeapPointers(ptr unsafe.Pointer, n uintptr)
// Also called from assembly in sys_windows_arm64.s without g (but using Go stack convention).
TEXT runtime·memclrNoHeapPointers<ABIInternal>(SB),NOSPLIT,$0-16
	CMP	$16, R1
	// If n is equal to 16 bytes, use zero_exact_16 to zero
	BEQ	zero_exact_16

L3:
L1:
	FMOVD   F0, ret+8(FP)
	RET

L2:
	LTDBR	F0, F0
	BLEU    L13
	WORD    $0xED009080     //mdb %f0,.L20-.L19(%r9)
	BYTE    $0x00
	BYTE    $0x1C
	FMOVD   F0, x-8(SP)
	WORD    $0x5B20F008     //s %r2, 8(%r15)
	RISBGZ	$57, $60, $51, R2, R3
	ANDW    $0xFFFF0000, R2
	RISBGN	$0, $31, $32, R2, R1
	ADDW    $0x4000000, R2
	BLEU    L17
L8:
	SRW     $8, R2, R2
	ORW     $0x45000000, R2
L4:

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

.file "gcc_386.S"

/*
 * Windows still insists on underscore prefixes for C function names.
 */
#if defined(_WIN32)
#define EXT(s) _##s
#else
#define EXT(s) s
#endif

/*
 * void crosscall1(void (*fn)(void), void (*setg_gcc)(void*), void *g)
 *

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

.file "gcc_arm64.S"

/*
 * Apple still insists on underscore prefixes for C function names.
 */
#if defined(__APPLE__)
#define EXT(s) _##s
#else
#define EXT(s) s
#endif

// Apple's ld64 wants 4-byte alignment for ARM code sections.
// .align in both Apple as and GNU as treat n as aligning to 2**n bytes.

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

.file "gcc_amd64.S"

/*
 * Apple still insists on underscore prefixes for C function names.
 */
#if defined(__APPLE__)
#define EXT(s) _##s
#else
#define EXT(s) s
#endif

/*
 * void crosscall1(void (*fn)(void), void (*setg_gcc)(void*), void *g)
 *

	MOVV	R25, R3

	MOVW	$CLOCK_REALTIME, R4
	MOVV	$0(R3), R5

	MOVV	runtime·vdsoClockgettimeSym(SB), R20
	BEQ	R20, fallback

	// Store g on gsignal's stack, see sys_linux_arm64.s for detail
	MOVBU	runtime·iscgo(SB), R25
	BNE	R25, nosaveg

	MOVV	m_gsignal(R24), R25	// g.m.gsignal
	BEQ	R25, nosaveg
	BEQ	g, R25, nosaveg

	MOVV	(g_stack+stack_lo)(R25), R25	// g.m.gsignal.stack.lo

// Inferno's libkern/memset-arm.s
// https://bitbucket.org/inferno-os/inferno-os/src/master/libkern/memset-arm.s
//
//         Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved.
//         Revisions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com).  All rights reserved.
//         Portions Copyright 2009 The Go Authors. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy

// s: string we are searching
// sep: string to search for
// R1=&s[0], R2=len(s)
// R3=&sep[0], R4=len(sep)
// R5=&ret (int)
// Caller must confirm availability of vx facility before calling.
TEXT indexbody<>(SB),NOSPLIT|NOFRAME,$0
	CMPBGT	R4, R2, notfound
	ADD	R1, R2
	SUB	R4, R2 // R2=&s[len(s)-len(sep)] (last valid index)
	CMPBEQ	R4, $0, notfound
	SUB	$1, R4 // R4=len(sep)-1 for use as VLL index

// Code generated by command: go run fe_amd64_asm.go -out ../fe_amd64.s -stubs ../fe_amd64.go -pkg field. DO NOT EDIT.

//go:build !purego

#include "textflag.h"

// func feMul(out *Element, a *Element, b *Element)
TEXT ·feMul(SB), NOSPLIT, $0-24
	MOVQ a+8(FP), CX
	MOVQ b+16(FP), BX

	// r0 = a0×b0
	MOVQ (CX), AX
	MULQ (BX)
	MOVQ AX, DI
	MOVQ DX, SI

	// r0 += 19×a1×b4
	MOVQ   8(CX), AX
	IMUL3Q $0x13, AX, AX

DATA    ·crcclecons+80(SB)/8, $0x0000000000000000
DATA    ·crcclecons+88(SB)/8, $0x0000000105ec76f0      // P'(x) << 1

GLOBL   ·crcclecons(SB),RODATA, $144

// The CRC-32 function(s) use these calling conventions:
//
// Parameters:
//
//      R2:    Initial CRC value, typically ~0; and final CRC (return) value.
//      R3:    Input buffer pointer, performance might be improved if the