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107 lines
4.2 KiB
Go
107 lines
4.2 KiB
Go
// The following directive is necessary to make the package coherent:
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// +build ignore
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// This program generates contributors.go. It can be invoked by running
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// go generate
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package main
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import (
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"fmt"
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"os"
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"strings"
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"text/template"
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)
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var p34 = map[string]struct {
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pow_strategy string
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mul_strategy string
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mul_initial int
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}{
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"P434": {
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pow_strategy: "[]uint8{3, 10, 7, 5, 6, 5, 3, 8, 4, 7, 5, 6, 4, 5, 9, 6, 3, 11, 5, 5, 2, 8, 4, 7, 7, 8, 5, 6, 4, 8, 5, 2, 10, 6, 5, 4, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1}",
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mul_strategy: "[]uint8{2, 15, 9, 8, 14, 12, 2, 8, 5, 15, 8, 15, 6, 6, 3, 2, 0, 10, 9, 13, 1, 12, 3, 7, 1, 10, 8, 11, 2, 15, 14, 1, 11, 12, 14, 3, 11, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 0}",
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mul_initial: 8,
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},
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"P503": {
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pow_strategy: "[]uint8{12, 5, 5, 2, 7, 11, 3, 8, 4, 11, 4, 7, 5, 6, 3, 7, 5, 7, 2, 12, 5, 6, 4, 6, 8, 6, 4, 7, 5, 5, 8, 5, 8, 5, 5, 8, 9, 3, 6, 2, 10, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3}",
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mul_strategy: "[]uint8{12, 11, 10, 0, 1, 8, 3, 7, 1, 8, 3, 6, 7, 14, 2, 14, 14, 9, 0, 13, 9, 15, 5, 12, 7, 13, 7, 15, 6, 7, 9, 0, 5, 7, 6, 8, 8, 3, 7, 0, 10, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 3}",
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mul_initial: 0,
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},
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"P751": {
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pow_strategy: "[]uint8{5, 7, 6, 2, 10, 4, 6, 9, 8, 5, 9, 4, 7, 5, 5, 4, 8, 3, 9, 5, 5, 4, 10, 4, 6, 6, 6, 5, 8, 9, 3, 4, 9, 4, 5, 6, 6, 2, 9, 4, 5, 5, 5, 7, 7, 9, 4, 6, 4, 8, 5, 8, 6, 6, 2, 9, 7, 4, 8, 8, 8, 4, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2}",
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mul_strategy: "[]uint8{15, 11, 10, 0, 15, 3, 3, 3, 4, 4, 9, 7, 11, 11, 5, 3, 12, 2, 10, 8, 5, 2, 8, 3, 5, 4, 11, 4, 0, 9, 2, 1, 12, 7, 5, 14, 15, 0, 14, 5, 6, 4, 5, 13, 6, 9, 7, 15, 1, 14, 11, 15, 12, 5, 0, 10, 9, 7, 7, 10, 14, 6, 11, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1}",
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mul_initial: 13,
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},
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}
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// P434 optimized implementation for
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// ARM64 is not ported yet
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var opt_arm = map[string]bool{
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"P434": false,
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"P503": true,
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"P751": true,
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}
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// Generates an 'fileNameBase.go' from 'fileNameBase.gotemp' file
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// for a given finite 'field'. Maps placeholders to 'values'.
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func gen(field, fileNameBase string, values interface{}) {
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// name of the output .go file
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outFileName := fileNameBase + ".go"
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out, err := os.Create(outFileName)
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if err != nil {
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panic("Cannot open file")
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}
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// Template files are located in ../templates and have
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// extension .gotemp
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templateFile := "../templates/" + fileNameBase + ".gotemp"
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t, err := template.ParseFiles(templateFile)
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if err != nil {
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panic(fmt.Sprintf("Cannot open template file %s", templateFile))
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}
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t.Execute(out, values)
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err = out.Close()
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if err != nil {
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panic("Cant close generated file")
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}
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}
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func main() {
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field := os.Args[1]
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s := struct {
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FIELD string
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PACKAGE string
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P34_POW_STRATEGY string
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P34_MUL_STRATEGY string
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P34_INITIAL_MUL int
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OPT_ARM bool
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}{
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FIELD: field,
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PACKAGE: strings.ToLower(field),
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P34_POW_STRATEGY: p34[field].pow_strategy,
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P34_MUL_STRATEGY: p34[field].mul_strategy,
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P34_INITIAL_MUL: p34[field].mul_initial,
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OPT_ARM: opt_arm[field],
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}
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targets := map[string]interface{}{
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"arith_decl": s,
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"arith_generic": s,
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"curve": s,
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"fp2": s,
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"core": s,
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// tests
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"arith_test": s,
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"fp2_test": s,
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"curve_test": s,
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}
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for v, s := range targets {
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gen(field, v, s)
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}
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}
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