// Copyright 2010 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"

// 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

// Copyright 2013 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.

//go:build !purego && (ppc64 || ppc64le)

#include "textflag.h"

// func addMulVVW1024(z, x *uint, y uint) (c uint)
TEXT ·addMulVVW1024(SB), $0-32
	MOVD	$4, R6 // R6 = z_len/4
	JMP		addMulVVWx<>(SB)

// func addMulVVW1536(z, x *uint, y uint) (c uint)
TEXT ·addMulVVW1536(SB), $0-32

// Copyright 2011 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.

//go:build !race

#include "textflag.h"

TEXT ·SwapInt32(SB),NOSPLIT,$0
	JMP	internal∕runtime∕atomic·Xchg(SB)

TEXT ·SwapUint32(SB),NOSPLIT,$0
	JMP	internal∕runtime∕atomic·Xchg(SB)

TEXT ·SwapInt64(SB),NOSPLIT,$0
	JMP	internal∕runtime∕atomic·Xchg64(SB)

// Copyright 2012 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.

//go:build ppc64 || ppc64le

#include "textflag.h"
#include "funcdata.h"
#include "asm_ppc64x.h"

// The frames of each of the two functions below contain two locals, at offsets
// that are known to the runtime.
//

// Copyright 2010 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 "go_asm.h"
#include "go_tls.h"
#include "textflag.h"

TEXT runtime·open(SB),NOSPLIT,$0
	MOVQ	$14, BP
	SYSCALL
	MOVL	AX, ret+16(FP)
	RET

TEXT runtime·pread(SB),NOSPLIT,$0
	MOVQ	$50, BP
	SYSCALL
	MOVL	AX, ret+32(FP)
	RET

TEXT runtime·pwrite(SB),NOSPLIT,$0

// Copyright 2012 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.

//go:build !purego

#include "textflag.h"

// func encryptBlockAsm(nr int, xk *uint32, dst, src *byte)
TEXT ·encryptBlockAsm(SB),NOSPLIT,$0
	MOVQ nr+0(FP), CX
	MOVQ xk+8(FP), AX
	MOVQ dst+16(FP), DX
	MOVQ src+24(FP), BX
	MOVUPS 0(AX), X1
	MOVUPS 0(BX), X0
	ADDQ $16, AX

#define ZER   V26
#define SEL1  V27
#define CAR1  V28
#define CAR2  V29
/*
 * http://www.hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-3.html#doubling-dbl-2004-hmv
 * Cost: 4M + 4S + 1*half + 5add + 2*2 + 1*3.
 * Source: 2004 Hankerson–Menezes–Vanstone, page 91.
 * 	A  = 3(X₁-Z₁²)×(X₁+Z₁²)
 * 	B  = 2Y₁
 * 	Z₃ = B×Z₁
 * 	C  = B²
 * 	D  = C×X₁
 * 	X₃ = A²-2D
 * 	Y₃ = (D-X₃)×A-C²/2
 *

// Copyright 2011 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 "go_asm.h"
#include "go_tls.h"
#include "textflag.h"
#include "time_windows.h"
#include "cgo/abi_amd64.h"

// Offsets into Thread Environment Block (pointer in GS)
#define TEB_TlsSlots 0x1480
#define TEB_ArbitraryPtr 0x28

// Copyright 2013 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.

//go:build !purego

#include "textflag.h"

// SHA256 block routine. See sha256block.go for Go equivalent.
//
// The algorithm is detailed in FIPS 180-4:
//
//  https://csrc.nist.gov/publications/fips/fips180-4/fips-180-4.pdf

// Wt = Mt; for 0 <= t <= 15

// Copyright 2013 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.

//go:build !math_big_pure_go

#include "textflag.h"

// This file provides fast assembly versions for the elementary
// arithmetic operations on vectors implemented in arith.go.

// TODO: Consider re-implementing using Advanced SIMD
// once the assembler supports those instructions.