codekingpro/portable-devtools

1// asmcheck2 3// Copyright 2025 The Go Authors. All rights reserved.4// Use of this source code is governed by a BSD-style5// license that can be found in the LICENSE file.6 7package codegen8 9import "cmp"10 11func isNaN[T cmp.Ordered](x T) bool {12	return x != x13}14 15func compare[T cmp.Ordered](x, y T) int {16	// amd64:-"TESTB"17	// arm64:-"MOVB"18	xNaN := isNaN(x)19	yNaN := isNaN(y)20	if xNaN {21		if yNaN {22			return 023		}24		return -125	}26	if yNaN {27		return +128	}29	if x < y {30		return -131	}32	if x > y {33		return +134	}35	return 036}37 38func usesCompare(a, b int) int {39	return compare(a, b)40}41