Initial commit: Go 1.23 release state

test/codegen/bool.go

@@ -0,0 +1,276 @@
+// asmcheck
+
+// Copyright 2020 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.
+
+package codegen
+
+import (
+	"math/bits"
+)
+
+// This file contains codegen tests related to boolean simplifications/optimizations.
+
+func convertNeq0B(x uint8, c bool) bool {
+	// amd64:"ANDL\t[$]1",-"SETNE"
+	// ppc64x:"RLDICL",-"CMPW",-"ISEL"
+	b := x&1 != 0
+	return c && b
+}
+
+func convertNeq0W(x uint16, c bool) bool {
+	// amd64:"ANDL\t[$]1",-"SETNE"
+	// ppc64x:"RLDICL",-"CMPW",-"ISEL"
+	b := x&1 != 0
+	return c && b
+}
+
+func convertNeq0L(x uint32, c bool) bool {
+	// amd64:"ANDL\t[$]1",-"SETB"
+	// ppc64x:"RLDICL",-"CMPW",-"ISEL"
+	b := x&1 != 0
+	return c && b
+}
+
+func convertNeq0Q(x uint64, c bool) bool {
+	// amd64:"ANDL\t[$]1",-"SETB"
+	// ppc64x:"RLDICL",-"CMP",-"ISEL"
+	b := x&1 != 0
+	return c && b
+}
+
+func convertNeqBool32(x uint32) bool {
+	// ppc64x:"RLDICL",-"CMPW",-"ISEL"
+	return x&1 != 0
+}
+
+func convertEqBool32(x uint32) bool {
+	// ppc64x:"RLDICL",-"CMPW","XOR",-"ISEL"
+	return x&1 == 0
+}
+
+func convertNeqBool64(x uint64) bool {
+	// ppc64x:"RLDICL",-"CMP",-"ISEL"
+	return x&1 != 0
+}
+
+func convertEqBool64(x uint64) bool {
+	// ppc64x:"RLDICL","XOR",-"CMP",-"ISEL"
+	return x&1 == 0
+}
+
+func TestSetEq64(x uint64, y uint64) bool {
+	// ppc64x/power10:"SETBC\tCR0EQ",-"ISEL"
+	// ppc64x/power9:"CMP","ISEL",-"SETBC\tCR0EQ"
+	// ppc64x/power8:"CMP","ISEL",-"SETBC\tCR0EQ"
+	b := x == y
+	return b
+}
+func TestSetNeq64(x uint64, y uint64) bool {
+	// ppc64x/power10:"SETBCR\tCR0EQ",-"ISEL"
+	// ppc64x/power9:"CMP","ISEL",-"SETBCR\tCR0EQ"
+	// ppc64x/power8:"CMP","ISEL",-"SETBCR\tCR0EQ"
+	b := x != y
+	return b
+}
+func TestSetLt64(x uint64, y uint64) bool {
+	// ppc64x/power10:"SETBC\tCR0GT",-"ISEL"
+	// ppc64x/power9:"CMP","ISEL",-"SETBC\tCR0GT"
+	// ppc64x/power8:"CMP","ISEL",-"SETBC\tCR0GT"
+	b := x < y
+	return b
+}
+func TestSetLe64(x uint64, y uint64) bool {
+	// ppc64x/power10:"SETBCR\tCR0LT",-"ISEL"
+	// ppc64x/power9:"CMP","ISEL",-"SETBCR\tCR0LT"
+	// ppc64x/power8:"CMP","ISEL",-"SETBCR\tCR0LT"
+	b := x <= y
+	return b
+}
+func TestSetGt64(x uint64, y uint64) bool {
+	// ppc64x/power10:"SETBC\tCR0LT",-"ISEL"
+	// ppc64x/power9:"CMP","ISEL",-"SETBC\tCR0LT"
+	// ppc64x/power8:"CMP","ISEL",-"SETBC\tCR0LT"
+	b := x > y
+	return b
+}
+func TestSetGe64(x uint64, y uint64) bool {
+	// ppc64x/power10:"SETBCR\tCR0GT",-"ISEL"
+	// ppc64x/power9:"CMP","ISEL",-"SETBCR\tCR0GT"
+	// ppc64x/power8:"CMP","ISEL",-"SETBCR\tCR0GT"
+	b := x >= y
+	return b
+}
+func TestSetLtFp64(x float64, y float64) bool {
+	// ppc64x/power10:"SETBC\tCR0LT",-"ISEL"
+	// ppc64x/power9:"FCMP","ISEL",-"SETBC\tCR0LT"
+	// ppc64x/power8:"FCMP","ISEL",-"SETBC\tCR0LT"
+	b := x < y
+	return b
+}
+func TestSetLeFp64(x float64, y float64) bool {
+	// ppc64x/power10:"SETBC\tCR0LT","SETBC\tCR0EQ","OR",-"ISEL",-"ISEL"
+	// ppc64x/power9:"ISEL","ISEL",-"SETBC\tCR0LT",-"SETBC\tCR0EQ","OR"
+	// ppc64x/power8:"ISEL","ISEL",-"SETBC\tCR0LT",-"SETBC\tCR0EQ","OR"
+	b := x <= y
+	return b
+}
+func TestSetGtFp64(x float64, y float64) bool {
+	// ppc64x/power10:"SETBC\tCR0LT",-"ISEL"
+	// ppc64x/power9:"FCMP","ISEL",-"SETBC\tCR0LT"
+	// ppc64x/power8:"FCMP","ISEL",-"SETBC\tCR0LT"
+	b := x > y
+	return b
+}
+func TestSetGeFp64(x float64, y float64) bool {
+	// ppc64x/power10:"SETBC\tCR0LT","SETBC\tCR0EQ","OR",-"ISEL",-"ISEL"
+	// ppc64x/power9:"ISEL","ISEL",-"SETBC\tCR0LT",-"SETBC\tCR0EQ","OR"
+	// ppc64x/power8:"ISEL","ISEL",-"SETBC\tCR0LT",-"SETBC\tCR0EQ","OR"
+	b := x >= y
+	return b
+}
+func TestSetInvEq64(x uint64, y uint64) bool {
+	// ppc64x/power10:"SETBCR\tCR0EQ",-"ISEL"
+	// ppc64x/power9:"CMP","ISEL",-"SETBCR\tCR0EQ"
+	// ppc64x/power8:"CMP","ISEL",-"SETBCR\tCR0EQ"
+	b := !(x == y)
+	return b
+}
+func TestSetInvNeq64(x uint64, y uint64) bool {
+	// ppc64x/power10:"SETBC\tCR0EQ",-"ISEL"
+	// ppc64x/power9:"CMP","ISEL",-"SETBC\tCR0EQ"
+	// ppc64x/power8:"CMP","ISEL",-"SETBC\tCR0EQ"
+	b := !(x != y)
+	return b
+}
+func TestSetInvLt64(x uint64, y uint64) bool {
+	// ppc64x/power10:"SETBCR\tCR0GT",-"ISEL"
+	// ppc64x/power9:"CMP","ISEL",-"SETBCR\tCR0GT"
+	// ppc64x/power8:"CMP","ISEL",-"SETBCR\tCR0GT"
+	b := !(x < y)
+	return b
+}
+func TestSetInvLe64(x uint64, y uint64) bool {
+	// ppc64x/power10:"SETBC\tCR0LT",-"ISEL"
+	// ppc64x/power9:"CMP","ISEL",-"SETBC\tCR0LT"
+	// ppc64x/power8:"CMP","ISEL",-"SETBC\tCR0LT"
+	b := !(x <= y)
+	return b
+}
+func TestSetInvGt64(x uint64, y uint64) bool {
+	// ppc64x/power10:"SETBCR\tCR0LT",-"ISEL"
+	// ppc64x/power9:"CMP","ISEL",-"SETBCR\tCR0LT"
+	// ppc64x/power8:"CMP","ISEL",-"SETBCR\tCR0LT"
+	b := !(x > y)
+	return b
+}
+func TestSetInvGe64(x uint64, y uint64) bool {
+	// ppc64x/power10:"SETBC\tCR0GT",-"ISEL"
+	// ppc64x/power9:"CMP","ISEL",-"SETBC\tCR0GT"
+	// ppc64x/power8:"CMP","ISEL",-"SETBC\tCR0GT"
+	b := !(x >= y)
+	return b
+}
+
+func TestSetInvEqFp64(x float64, y float64) bool {
+	// ppc64x/power10:"SETBCR\tCR0EQ",-"ISEL"
+	// ppc64x/power9:"FCMP","ISEL",-"SETBCR\tCR0EQ"
+	// ppc64x/power8:"FCMP","ISEL",-"SETBCR\tCR0EQ"
+	b := !(x == y)
+	return b
+}
+func TestSetInvNeqFp64(x float64, y float64) bool {
+	// ppc64x/power10:"SETBC\tCR0EQ",-"ISEL"
+	// ppc64x/power9:"FCMP","ISEL",-"SETBC\tCR0EQ"
+	// ppc64x/power8:"FCMP","ISEL",-"SETBC\tCR0EQ"
+	b := !(x != y)
+	return b
+}
+func TestSetInvLtFp64(x float64, y float64) bool {
+	// ppc64x/power10:"SETBCR\tCR0LT",-"ISEL"
+	// ppc64x/power9:"FCMP","ISEL",-"SETBCR\tCR0LT"
+	// ppc64x/power8:"FCMP","ISEL",-"SETBCR\tCR0LT"
+	b := !(x < y)
+	return b
+}
+func TestSetInvLeFp64(x float64, y float64) bool {
+	// ppc64x/power10:"SETBC\tCR0LT",-"ISEL"
+	// ppc64x/power9:"FCMP","ISEL",-"SETBC\tCR0LT"
+	// ppc64x/power8:"FCMP","ISEL",-"SETBC\tCR0LT"
+	b := !(x <= y)
+	return b
+}
+func TestSetInvGtFp64(x float64, y float64) bool {
+	// ppc64x/power10:"SETBCR\tCR0LT",-"ISEL"
+	// ppc64x/power9:"FCMP","ISEL",-"SETBCR\tCR0LT"
+	// ppc64x/power8:"FCMP","ISEL",-"SETBCR\tCR0LT"
+	b := !(x > y)
+	return b
+}
+func TestSetInvGeFp64(x float64, y float64) bool {
+	// ppc64x/power10:"SETBC\tCR0LT",-"ISEL"
+	// ppc64x/power9:"FCMP","ISEL",-"SETBC\tCR0LT"
+	// ppc64x/power8:"FCMP","ISEL",-"SETBC\tCR0LT"
+	b := !(x >= y)
+	return b
+}
+func TestLogicalCompareZero(x *[64]uint64) {
+	// ppc64x:"ANDCC",^"AND"
+	b := x[0]&3
+	if b!=0 {
+		x[0] = b
+	}
+	// ppc64x:"ANDCC",^"AND"
+	b = x[1]&x[2]
+	if b!=0 {
+		x[1] = b
+	}
+	// ppc64x:"ANDNCC",^"ANDN"
+	b = x[1]&^x[2]
+	if b!=0 {
+		x[1] = b
+	}
+	// ppc64x:"ORCC",^"OR"
+	b = x[3]|x[4]
+	if b!=0 {
+		x[3] = b
+	}
+	// ppc64x:"SUBCC",^"SUB"
+	b = x[5]-x[6]
+	if b!=0 {
+		x[5] = b
+	}
+	// ppc64x:"NORCC",^"NOR"
+	b = ^(x[5]|x[6])
+	if b!=0 {
+		x[5] = b
+	}
+	// ppc64x:"XORCC",^"XOR"
+	b = x[7]^x[8]
+	if b!=0 {
+		x[7] = b
+	}
+	// ppc64x:"ADDCC",^"ADD"
+	b = x[9]+x[10]
+	if b!=0 {
+		x[9] = b
+	}
+	// ppc64x:"NEGCC",^"NEG"
+	b = -x[11]
+	if b!=0 {
+		x[11] = b
+	}
+	// ppc64x:"CNTLZDCC",^"CNTLZD"
+	b = uint64(bits.LeadingZeros64(x[12]))
+	if b!=0 {
+		x[12] = b
+	}
+
+	// ppc64x:"ADDCCC\t[$]4,"
+	c := int64(x[12]) + 4
+	if c <= 0 {
+		x[12] = uint64(c)
+	}
+
+}