// Copyright 2019 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 gc && !purego

#include "textflag.h"

// This was ported from the amd64 implementation.

#define POLY1305_ADD(msg, h0, h1, h2, t0, t1, t2) \
	MOVD (msg), t0;  \
	MOVD 8(msg), t1; \
	MOVD $1, t2;     \
	ADDC t0, h0, h0; \
	ADDE t1, h1, h1; \
	ADDE t2, h2;     \

	{"go1.19rc1", "go1.19.0", -1},
	{"go1.19alpha3", "go1.19beta2", -1},
	{"go1.19beta2", "go1.19rc1", -1},
	{"go1.1", "go1.99999999999999998", -1},
	{"go1.99999999999999998", "go1.99999999999999999", -1},
}

func TestLang(t *testing.T) { test1(t, langTests, "Lang", Lang) }

var langTests = []testCase1[string, string]{
	{"bad", ""},
	{"go1.2rc3", "go1.2"},
	{"go1.2.3", "go1.2"},
	{"go1.2", "go1.2"},
	{"go1", "go1"},

	})
}

var (
	nonGoBinaries      = sets.New("ztunnel", "envoy")
	nonVersionBinaries = sets.New("client", "server")
)

// Test that flags do not get polluted with unexpected flags
func TestFlags(t *testing.T) {
	runBinariesTest(t, func(t *testing.T, name string) {
		if nonGoBinaries.Contains(name) {
			return
		}
		cmd := path.Join(*releasedir, name)
		out, err := exec.Command(cmd, "--help").Output()

func main() {
	w := new(bytes.Buffer)

	// Standard: https://go.dev/s/generatedcode
	fmt.Fprintln(w, `// Code generated by "go run gen_const_ppc64le.go"; DO NOT EDIT.`)
	fmt.Fprintln(w)
	fmt.Fprintln(w, `#include "textflag.h"`)

	// These are the polynomials supported in vector now.
	// If adding others, include the polynomial and a name
	// to identify it.

	genCrc32ConstTable(w, 0xedb88320, "IEEE")

// Copyright 2017 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"

#define HASHUPDATECHOOSE \
	SHA1C	V16.S4, V1, V2 \
	SHA1H	V3, V1 \
	VMOV	V2.B16, V3.B16

#define HASHUPDATEPARITY \
	SHA1P	V16.S4, V1, V2 \
	SHA1H	V3, V1 \
	VMOV	V2.B16, V3.B16

#define HASHUPDATEMAJ \
	SHA1M	V16.S4, V1, V2 \

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//
// ARM64 version of md5block.go
// derived from crypto/md5/md5block_amd64.s

//go:build !purego

#include "textflag.h"

TEXT	·block(SB),NOSPLIT,$0-32
	MOVD	dig+0(FP), R0
	MOVD	p+8(FP), R1
	MOVD	p_len+16(FP), R2
	AND	$~63, R2
	CBZ	R2, zero

	ADD	R1, R2, R21
	LDPW	(0*8)(R0), (R4, R5)
	LDPW	(1*8)(R0), (R6, R7)

// Copyright 2017 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"

#define HASHUPDATE \
	SHA256H	V9.S4, V3, V2 \
	SHA256H2	V9.S4, V8, V3 \
	VMOV	V2.B16, V8.B16

// func sha256block(h []uint32, p []byte, k []uint32)
TEXT ·sha256block(SB),NOSPLIT,$0

//	http://www.zorinaq.com/papers/md5-amd64.tar.bz2
//
// Translated from Perl generating GNU assembly into
// #defines generating 8a assembly, and adjusted for 386,
// by the Go Authors.

//go:build !purego

#include "textflag.h"

// MD5 optimized for AMD64.
//
// Author: Marc Bevand <bevand_m (at) epita.fr>
// Licence: I hereby disclaim the copyright on this code and place it
// in the public domain.

// Copyright 2016 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 mips || mipsle

#include "textflag.h"

// bool Cas(int32 *val, int32 old, int32 new)
// Atomically:
//	if(*val == old){
//		*val = new;
//		return 1;
//	} else
//		return 0;
TEXT ·Cas(SB),NOSPLIT,$0-13
	MOVW	ptr+0(FP), R1
	MOVW	old+4(FP), R2
	MOVW	new+8(FP), R5

-- d/d.go --
package d

const FortyTwo = 42

func DFunc() int {
  return FortyTwo
}

-- e/e_test.go --
package e

import (
	"M/a"
	"M/b"
	"testing"
)

func TestBlah(t *testing.T) {
	if b.BFunc() == 1010101 {
		t.Fatalf("bad")
	}
	a.AFunc()
}
-- f/f.go --
package f

var F int

func Id() int {
	F += 9
	F *= 2
	return 42
}