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-rw-r--r--test/64bit.go728
1 files changed, 728 insertions, 0 deletions
diff --git a/test/64bit.go b/test/64bit.go
new file mode 100644
index 0000000..d99d8e8
--- /dev/null
+++ b/test/64bit.go
@@ -0,0 +1,728 @@
+// runoutput
+
+// Copyright 2009 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.
+
+// Generate test of 64-bit arithmetic.
+// Most synthesized routines have different cases for
+// constants vs variables and even the generated code has
+// different cases for large and small constants,
+// so try a good range of inputs.
+
+package main
+
+import (
+ "bufio"
+ "fmt"
+ "os"
+)
+
+var bout *bufio.Writer
+
+// 64-bit math without using 64-bit numbers,
+// so that we can generate the test program even
+// if the compiler has buggy or missing 64-bit support.
+
+type Uint64 struct {
+ hi uint32
+ lo uint32
+}
+
+type Int64 struct {
+ hi int32
+ lo uint32
+}
+
+func (a Uint64) Int64() (c Int64) {
+ c.hi = int32(a.hi)
+ c.lo = a.lo
+ return
+}
+
+func (a Uint64) Cmp(b Uint64) int {
+ switch {
+ case a.hi < b.hi:
+ return -1
+ case a.hi > b.hi:
+ return 1
+ case a.lo < b.lo:
+ return -1
+ case a.lo > b.lo:
+ return 1
+ }
+ return 0
+}
+
+func (a Uint64) LeftShift(b uint) (c Uint64) {
+ switch {
+ case b >= 64:
+ c.hi = 0
+ c.lo = 0
+ case b >= 32:
+ c.hi = a.lo << (b - 32)
+ c.lo = 0
+ default:
+ c.hi = a.hi<<b | a.lo>>(32-b)
+ c.lo = a.lo << b
+ }
+ return
+}
+
+func (a Uint64) RightShift(b uint) (c Uint64) {
+ switch {
+ case b >= 64:
+ c.hi = 0
+ c.lo = a.hi
+ case b >= 32:
+ c.hi = 0
+ c.lo = a.hi >> (b - 32)
+ default:
+ c.hi = a.hi >> b
+ c.lo = a.hi<<(32-b) | a.lo>>b
+ }
+ return
+}
+
+func (a Uint64) LeftShift64(b Uint64) (c Uint64) {
+ if b.hi != 0 || b.lo >= 64 {
+ return
+ }
+ return a.LeftShift(uint(b.lo))
+}
+
+func (a Uint64) RightShift64(b Uint64) (c Uint64) {
+ if b.hi != 0 || b.lo >= 64 {
+ return
+ }
+ return a.RightShift(uint(b.lo))
+}
+
+func (a Uint64) Plus(b Uint64) (c Uint64) {
+ var carry uint32
+ if c.lo = a.lo + b.lo; c.lo < a.lo {
+ carry = 1
+ }
+ c.hi = a.hi + b.hi + carry
+ return
+}
+
+func (a Uint64) Minus(b Uint64) (c Uint64) {
+ var borrow uint32
+ if c.lo = a.lo - b.lo; c.lo > a.lo {
+ borrow = 1
+ }
+ c.hi = a.hi - b.hi - borrow
+ return
+}
+
+func (a Uint64) Neg() (c Uint64) {
+ var zero Uint64
+ return zero.Minus(a)
+}
+
+func (a Uint64) Com() (c Uint64) {
+ c.hi = ^a.hi
+ c.lo = ^a.lo
+ return
+}
+
+func (a Uint64) Len() int {
+ switch {
+ case a.hi != 0:
+ for i := 31; i >= 0; i-- {
+ if a.hi&(1<<uint(i)) != 0 {
+ return i + 1 + 32
+ }
+ }
+ case a.lo != 0:
+ for i := 31; i >= 0; i-- {
+ if a.lo&(1<<uint(i)) != 0 {
+ return i + 1
+ }
+ }
+ }
+ return 0
+}
+
+func (a Uint64) HasBit(b uint) bool {
+ switch {
+ case b >= 64:
+ return false
+ case b >= 32:
+ return a.hi&(1<<(b-32)) != 0
+ }
+ return a.lo&(1<<b) != 0
+}
+
+func (a Uint64) Times(b Uint64) (c Uint64) {
+ for i := uint(0); i < 64; i++ {
+ if b.HasBit(i) {
+ c = c.Plus(a.LeftShift(i))
+ }
+ }
+ return
+}
+
+func (a Uint64) DivMod(b Uint64) (quo, rem Uint64) {
+ n := a.Len() - b.Len()
+ if n >= 0 {
+ b = b.LeftShift(uint(n))
+ for i := 0; i <= n; i++ {
+ quo = quo.LeftShift(1)
+ if b.Cmp(a) <= 0 { // b <= a
+ quo.lo |= 1
+ a = a.Minus(b)
+ }
+ b = b.RightShift(1)
+ }
+ }
+ rem = a
+ return
+}
+
+func (a Uint64) And(b Uint64) (c Uint64) {
+ c.hi = a.hi & b.hi
+ c.lo = a.lo & b.lo
+ return
+}
+
+func (a Uint64) AndNot(b Uint64) (c Uint64) {
+ c.hi = a.hi &^ b.hi
+ c.lo = a.lo &^ b.lo
+ return
+}
+
+func (a Uint64) Or(b Uint64) (c Uint64) {
+ c.hi = a.hi | b.hi
+ c.lo = a.lo | b.lo
+ return
+}
+
+func (a Uint64) Xor(b Uint64) (c Uint64) {
+ c.hi = a.hi ^ b.hi
+ c.lo = a.lo ^ b.lo
+ return
+}
+
+func (a Uint64) String() string { return fmt.Sprintf("%#x%08x", a.hi, a.lo) }
+
+func (a Int64) Uint64() (c Uint64) {
+ c.hi = uint32(a.hi)
+ c.lo = a.lo
+ return
+}
+
+func (a Int64) Cmp(b Int64) int {
+ // Same body as Uint64.Cmp,
+ // but behaves differently
+ // because hi is uint32 not int32.
+ switch {
+ case a.hi < b.hi:
+ return -1
+ case a.hi > b.hi:
+ return 1
+ case a.lo < b.lo:
+ return -1
+ case a.lo > b.lo:
+ return 1
+ }
+ return 0
+}
+
+func (a Int64) LeftShift(b uint) (c Int64) { return a.Uint64().LeftShift(b).Int64() }
+
+func (a Int64) RightShift(b uint) (c Int64) {
+ switch {
+ case b >= 64:
+ c.hi = a.hi >> 31 // sign extend
+ c.lo = uint32(c.hi)
+ case b >= 32:
+ c.hi = a.hi >> 31 // sign extend
+ c.lo = uint32(a.hi >> (b - 32))
+ default:
+ c.hi = a.hi >> b
+ c.lo = uint32(a.hi<<(32-b)) | a.lo>>b
+ }
+ return
+}
+
+func (a Int64) LeftShift64(b Uint64) (c Int64) {
+ if b.hi != 0 || b.lo >= 64 {
+ return
+ }
+ return a.LeftShift(uint(b.lo))
+}
+
+func (a Int64) RightShift64(b Uint64) (c Int64) {
+ if b.hi != 0 || b.lo >= 64 {
+ return a.RightShift(64)
+ }
+ return a.RightShift(uint(b.lo))
+}
+
+func (a Int64) Plus(b Int64) (c Int64) { return a.Uint64().Plus(b.Uint64()).Int64() }
+
+func (a Int64) Minus(b Int64) (c Int64) { return a.Uint64().Minus(b.Uint64()).Int64() }
+
+func (a Int64) Neg() (c Int64) { return a.Uint64().Neg().Int64() }
+
+func (a Int64) Com() (c Int64) { return a.Uint64().Com().Int64() }
+
+func (a Int64) Times(b Int64) (c Int64) { return a.Uint64().Times(b.Uint64()).Int64() }
+
+func (a Int64) DivMod(b Int64) (quo Int64, rem Int64) {
+ var zero Int64
+
+ quoSign := +1
+ remSign := +1
+ if a.Cmp(zero) < 0 {
+ quoSign = -1
+ remSign = -1
+ a = a.Neg()
+ }
+ if b.Cmp(zero) < 0 {
+ quoSign = -quoSign
+ b = b.Neg()
+ }
+
+ q, r := a.Uint64().DivMod(b.Uint64())
+ quo = q.Int64()
+ rem = r.Int64()
+
+ if quoSign < 0 {
+ quo = quo.Neg()
+ }
+ if remSign < 0 {
+ rem = rem.Neg()
+ }
+ return
+}
+
+func (a Int64) And(b Int64) (c Int64) { return a.Uint64().And(b.Uint64()).Int64() }
+
+func (a Int64) AndNot(b Int64) (c Int64) { return a.Uint64().AndNot(b.Uint64()).Int64() }
+
+func (a Int64) Or(b Int64) (c Int64) { return a.Uint64().Or(b.Uint64()).Int64() }
+
+func (a Int64) Xor(b Int64) (c Int64) { return a.Uint64().Xor(b.Uint64()).Int64() }
+
+func (a Int64) String() string {
+ if a.hi < 0 {
+ return fmt.Sprintf("-%s", a.Neg().Uint64())
+ }
+ return a.Uint64().String()
+}
+
+var int64Values = []Int64{
+ Int64{0, 0},
+ Int64{0, 1},
+ Int64{0, 2},
+ Int64{0, 3},
+ Int64{0, 100},
+ Int64{0, 10001},
+ Int64{0, 1<<31 - 1},
+ Int64{0, 1 << 31},
+ Int64{0, 1<<31 + 1},
+ Int64{0, 1<<32 - 1<<30},
+ Int64{0, 1<<32 - 1},
+ Int64{1, 0},
+ Int64{1, 1},
+ Int64{2, 0},
+ Int64{1<<31 - 1, 1<<32 - 10000},
+ Int64{1<<31 - 1, 1<<32 - 1},
+ Int64{0x789abcde, 0xf0123456},
+
+ Int64{-1, 1<<32 - 1},
+ Int64{-1, 1<<32 - 2},
+ Int64{-1, 1<<32 - 3},
+ Int64{-1, 1<<32 - 100},
+ Int64{-1, 1<<32 - 10001},
+ Int64{-1, 1<<32 - (1<<31 - 1)},
+ Int64{-1, 1<<32 - 1<<31},
+ Int64{-1, 1<<32 - (1<<31 + 1)},
+ Int64{-1, 1<<32 - (1<<32 - 1<<30)},
+ Int64{-1, 0},
+ Int64{-1, 1},
+ Int64{-2, 0},
+ Int64{-(1 << 31), 10000},
+ Int64{-(1 << 31), 1},
+ Int64{-(1 << 31), 0},
+ Int64{-0x789abcde, 0xf0123456},
+}
+
+var uint64Values = []Uint64{
+ Uint64{0, 0},
+ Uint64{0, 1},
+ Uint64{0, 2},
+ Uint64{0, 3},
+ Uint64{0, 100},
+ Uint64{0, 10001},
+ Uint64{0, 1<<31 - 1},
+ Uint64{0, 1 << 31},
+ Uint64{0, 1<<31 + 1},
+ Uint64{0, 1<<32 - 1<<30},
+ Uint64{0, 1<<32 - 1},
+ Uint64{1, 0},
+ Uint64{1, 1},
+ Uint64{2, 0},
+ Uint64{1<<31 - 1, 1<<32 - 10000},
+ Uint64{1<<31 - 1, 1<<32 - 1},
+ Uint64{1<<32 - 1<<30, 0},
+ Uint64{1<<32 - 1, 0},
+ Uint64{1<<32 - 1, 1<<32 - 100},
+ Uint64{1<<32 - 1, 1<<32 - 1},
+ Uint64{0x789abcde, 0xf0123456},
+ Uint64{0xfedcba98, 0x76543210},
+}
+
+var shiftValues = []Uint64{
+ Uint64{0, 0},
+ Uint64{0, 1},
+ Uint64{0, 2},
+ Uint64{0, 3},
+ Uint64{0, 15},
+ Uint64{0, 16},
+ Uint64{0, 17},
+ Uint64{0, 31},
+ Uint64{0, 32},
+ Uint64{0, 33},
+ Uint64{0, 61},
+ Uint64{0, 62},
+ Uint64{0, 63},
+ Uint64{0, 64},
+ Uint64{0, 65},
+ Uint64{0, 1<<32 - 1},
+ Uint64{1, 0},
+ Uint64{1, 1},
+ Uint64{1 << 28, 0},
+ Uint64{1 << 31, 0},
+ Uint64{1<<32 - 1, 0},
+ Uint64{1<<32 - 1, 1<<32 - 1},
+}
+
+var ntest = 0
+
+// Part 1 is tests of variable operations; generic functions
+// called by repetitive code. Could make a table but not worth it.
+
+const prolog = "\n" +
+ "package main\n" +
+ "\n" +
+ "import \"os\"\n" +
+ "\n" +
+ "var ok = true\n" +
+ "\n" +
+ "func testInt64Unary(a, plus, xor, minus int64) {\n" +
+ " if n, op, want := +a, `+`, plus; n != want { ok=false; println(`int64`, op, a, `=`, n, `should be`, want); }\n" +
+ " if n, op, want := ^a, `^`, xor; n != want { ok=false; println(`int64`, op, a, `=`, n, `should be`, want); }\n" +
+ " if n, op, want := -a, `-`, minus; n != want { ok=false; println(`int64`, op, a, `=`, n, `should be`, want); }\n" +
+ "}\n" +
+ "\n" +
+ "func testInt64Binary(a, b, add, sub, mul, div, mod, and, or, xor, andnot int64, dodiv bool) {\n" +
+ " if n, op, want := a + b, `+`, add; n != want { ok=false; println(`int64`, a, op, b, `=`, n, `should be`, want); }\n" +
+ " if n, op, want := a - b, `-`, sub; n != want { ok=false; println(`int64`, a, op, b, `=`, n, `should be`, want); }\n" +
+ " if n, op, want := a * b, `*`, mul; n != want { ok=false; println(`int64`, a, op, b, `=`, n, `should be`, want); }\n" +
+ " if dodiv {\n" +
+ " if n, op, want := a / b, `/`, div; n != want { ok=false; println(`int64`, a, op, b, `=`, n, `should be`, want); }\n" +
+ " if n, op, want := a % b, `%`, mod; n != want { ok=false; println(`int64`, a, op, b, `=`, n, `should be`, want); }\n" +
+ " }\n" +
+ " if n, op, want := a & b, `&`, and; n != want { ok=false; println(`int64`, a, op, b, `=`, n, `should be`, want); }\n" +
+ " if n, op, want := a | b, `|`, or; n != want { ok=false; println(`int64`, a, op, b, `=`, n, `should be`, want); }\n" +
+ " if n, op, want := a ^ b, `^`, xor; n != want { ok=false; println(`int64`, a, op, b, `=`, n, `should be`, want); }\n" +
+ " if n, op, want := a &^ b, `&^`, andnot; n != want { ok=false; println(`int64`, a, op, b, `=`, n, `should be`, want); }\n" +
+ "}\n" +
+ "\n" +
+ "func testInt64Shift(a int64, b uint64, left, right int64) {\n" +
+ " if n, op, s, want := a << b, `<<`, b, left; n != want { ok=false; println(`int64`, a, op, `uint64`, s, `=`, n, `should be`, want); }\n" +
+ " if n, op, s, want := a >> b, `>>`, b, right; n != want { ok=false; println(`int64`, a, op, `uint64`, s, `=`, n, `should be`, want); }\n" +
+ " if uint64(uint(b)) == b {\n" +
+ " b := uint(b);\n" +
+ " if n, op, s, want := a << b, `<<`, b, left; n != want { ok=false; println(`int64`, a, op, `uint`, s, `=`, n, `should be`, want); }\n" +
+ " if n, op, s, want := a >> b, `>>`, b, right; n != want { ok=false; println(`int64`, a, op, `uint`, s, `=`, n, `should be`, want); }\n" +
+ " }\n" +
+ " if uint64(uint32(b)) == b {\n" +
+ " b := uint32(b);\n" +
+ " if n, op, s, want := a << b, `<<`, b, left; n != want { ok=false; println(`int64`, a, op, `uint32`, s, `=`, n, `should be`, want); }\n" +
+ " if n, op, s, want := a >> b, `>>`, b, right; n != want { ok=false; println(`int64`, a, op, `uint32`, s, `=`, n, `should be`, want); }\n" +
+ " }\n" +
+ " if uint64(uint16(b)) == b {\n" +
+ " b := uint16(b);\n" +
+ " if n, op, s, want := a << b, `<<`, b, left; n != want { ok=false; println(`int64`, a, op, `uint16`, s, `=`, n, `should be`, want); }\n" +
+ " if n, op, s, want := a >> b, `>>`, b, right; n != want { ok=false; println(`int64`, a, op, `uint16`, s, `=`, n, `should be`, want); }\n" +
+ " }\n" +
+ " if uint64(uint8(b)) == b {\n" +
+ " b := uint8(b);\n" +
+ " if n, op, s, want := a << b, `<<`, b, left; n != want { ok=false; println(`int64`, a, op, `uint8`, s, `=`, n, `should be`, want); }\n" +
+ " if n, op, s, want := a >> b, `>>`, b, right; n != want { ok=false; println(`int64`, a, op, `uint8`, s, `=`, n, `should be`, want); }\n" +
+ " }\n" +
+ "}\n" +
+ "\n" +
+ "func testUint64Unary(a, plus, xor, minus uint64) {\n" +
+ " if n, op, want := +a, `+`, plus; n != want { ok=false; println(`uint64`, op, a, `=`, n, `should be`, want); }\n" +
+ " if n, op, want := ^a, `^`, xor; n != want { ok=false; println(`uint64`, op, a, `=`, n, `should be`, want); }\n" +
+ " if n, op, want := -a, `-`, minus; n != want { ok=false; println(`uint64`, op, a, `=`, n, `should be`, want); }\n" +
+ "}\n" +
+ "\n" +
+ "func testUint64Binary(a, b, add, sub, mul, div, mod, and, or, xor, andnot uint64, dodiv bool) {\n" +
+ " if n, op, want := a + b, `+`, add; n != want { ok=false; println(`uint64`, a, op, b, `=`, n, `should be`, want); }\n" +
+ " if n, op, want := a - b, `-`, sub; n != want { ok=false; println(`uint64`, a, op, b, `=`, n, `should be`, want); }\n" +
+ " if n, op, want := a * b, `*`, mul; n != want { ok=false; println(`uint64`, a, op, b, `=`, n, `should be`, want); }\n" +
+ " if dodiv {\n" +
+ " if n, op, want := a / b, `/`, div; n != want { ok=false; println(`uint64`, a, op, b, `=`, n, `should be`, want); }\n" +
+ " if n, op, want := a % b, `%`, mod; n != want { ok=false; println(`uint64`, a, op, b, `=`, n, `should be`, want); }\n" +
+ " }\n" +
+ " if n, op, want := a & b, `&`, and; n != want { ok=false; println(`uint64`, a, op, b, `=`, n, `should be`, want); }\n" +
+ " if n, op, want := a | b, `|`, or; n != want { ok=false; println(`uint64`, a, op, b, `=`, n, `should be`, want); }\n" +
+ " if n, op, want := a ^ b, `^`, xor; n != want { ok=false; println(`uint64`, a, op, b, `=`, n, `should be`, want); }\n" +
+ " if n, op, want := a &^ b, `&^`, andnot; n != want { ok=false; println(`uint64`, a, op, b, `=`, n, `should be`, want); }\n" +
+ "}\n" +
+ "\n" +
+ "func testUint64Shift(a, b, left, right uint64) {\n" +
+ " if n, op, s, want := a << b, `<<`, b, left; n != want { ok=false; println(`uint64`, a, op, `uint64`, s, `=`, n, `should be`, want); }\n" +
+ " if n, op, s, want := a >> b, `>>`, b, right; n != want { ok=false; println(`uint64`, a, op, `uint64`, s, `=`, n, `should be`, want); }\n" +
+ " if uint64(uint(b)) == b {\n" +
+ " b := uint(b);\n" +
+ " if n, op, s, want := a << b, `<<`, b, left; n != want { ok=false; println(`uint64`, a, op, `uint`, s, `=`, n, `should be`, want); }\n" +
+ " if n, op, s, want := a >> b, `>>`, b, right; n != want { ok=false; println(`uint64`, a, op, `uint`, s, `=`, n, `should be`, want); }\n" +
+ " }\n" +
+ " if uint64(uint32(b)) == b {\n" +
+ " b := uint32(b);\n" +
+ " if n, op, s, want := a << b, `<<`, b, left; n != want { ok=false; println(`uint64`, a, op, `uint32`, s, `=`, n, `should be`, want); }\n" +
+ " if n, op, s, want := a >> b, `>>`, b, right; n != want { ok=false; println(`uint64`, a, op, `uint32`, s, `=`, n, `should be`, want); }\n" +
+ " }\n" +
+ " if uint64(uint16(b)) == b {\n" +
+ " b := uint16(b);\n" +
+ " if n, op, s, want := a << b, `<<`, b, left; n != want { ok=false; println(`uint64`, a, op, `uint16`, s, `=`, n, `should be`, want); }\n" +
+ " if n, op, s, want := a >> b, `>>`, b, right; n != want { ok=false; println(`uint64`, a, op, `uint16`, s, `=`, n, `should be`, want); }\n" +
+ " }\n" +
+ " if uint64(uint8(b)) == b {\n" +
+ " b := uint8(b);\n" +
+ " if n, op, s, want := a << b, `<<`, b, left; n != want { ok=false; println(`uint64`, a, op, `uint8`, s, `=`, n, `should be`, want); }\n" +
+ " if n, op, s, want := a >> b, `>>`, b, right; n != want { ok=false; println(`uint64`, a, op, `uint8`, s, `=`, n, `should be`, want); }\n" +
+ " }\n" +
+ "}\n" +
+ "\n"
+
+func varTests() {
+ fmt.Fprint(bout, prolog)
+ for _, a := range int64Values {
+ fmt.Fprintf(bout, "func test%v() {\n", ntest)
+ ntest++
+ fmt.Fprintf(bout, "\ttestInt64Unary(%v, %v, %v, %v);\n", a, a, a.Com(), a.Neg())
+ for _, b := range int64Values {
+ var div, mod Int64
+ dodiv := false
+ var zero Int64
+ if b.Cmp(zero) != 0 { // b != 0
+ // Can't divide by zero but also can't divide -0x8000...000 by -1.
+ var bigneg = Int64{-0x80000000, 0}
+ var minus1 = Int64{-1, ^uint32(0)}
+ if a.Cmp(bigneg) != 0 || b.Cmp(minus1) != 0 { // a != -1<<63 || b != -1
+ div, mod = a.DivMod(b)
+ dodiv = true
+ }
+ }
+ fmt.Fprintf(bout, "\ttestInt64Binary(%v, %v, %v, %v, %v, %v, %v, %v, %v, %v, %v, %v);\n",
+ a, b, a.Plus(b), a.Minus(b), a.Times(b), div, mod,
+ a.And(b), a.Or(b), a.Xor(b), a.AndNot(b), dodiv)
+ }
+ for _, b := range shiftValues {
+ fmt.Fprintf(bout, "\ttestInt64Shift(%v, %v, %v, %v);\n",
+ a, b, a.LeftShift64(b), a.RightShift64(b))
+ }
+ fmt.Fprintf(bout, "}\n")
+ }
+
+ for _, a := range uint64Values {
+ fmt.Fprintf(bout, "func test%v() {\n", ntest)
+ ntest++
+ fmt.Fprintf(bout, "\ttestUint64Unary(%v, %v, %v, %v);\n", a, a, a.Com(), a.Neg())
+ for _, b := range uint64Values {
+ var div, mod Uint64
+ dodiv := false
+ var zero Uint64
+ if b.Cmp(zero) != 0 { // b != 0
+ div, mod = a.DivMod(b)
+ dodiv = true
+ }
+ fmt.Fprintf(bout, "\ttestUint64Binary(%v, %v, %v, %v, %v, %v, %v, %v, %v, %v, %v, %v);\n",
+ a, b, a.Plus(b), a.Minus(b), a.Times(b), div, mod,
+ a.And(b), a.Or(b), a.Xor(b), a.AndNot(b), dodiv)
+ }
+ for _, b := range shiftValues {
+ fmt.Fprintf(bout, "\ttestUint64Shift(%v, %v, %v, %v);\n",
+ a, b, a.LeftShift64(b), a.RightShift64(b))
+ }
+ fmt.Fprintf(bout, "}\n")
+ }
+}
+
+// Part 2 is tests of operations involving one variable and one constant.
+
+const binaryConstL = "func test%vBinaryL%v(b, add, sub, mul, div, mod, and, or, xor, andnot %v, dodiv bool) {\n" +
+ " const a %v = %v;\n" +
+ " const typ = `%s`;\n" +
+ " if n, op, want := a + b, `+`, add; n != want { ok=false; println(typ, `const`, a, op, `var`, b, `=`, n, `should be`, want); }\n" +
+ " if n, op, want := a - b, `-`, sub; n != want { ok=false; println(typ, `const`, a, op, `var`, b, `=`, n, `should be`, want); }\n" +
+ " if n, op, want := a * b, `*`, mul; n != want { ok=false; println(typ, `const`, a, op, `var`, b, `=`, n, `should be`, want); }\n" +
+ " if dodiv {\n" +
+ " if n, op, want := a / b, `/`, div; n != want { ok=false; println(typ, `const`, a, op, `var`, b, `=`, n, `should be`, want); }\n" +
+ " if n, op, want := a %% b, `%%`, mod; n != want { ok=false; println(typ, `const`, a, op, `var`, b, `=`, n, `should be`, want); }\n" +
+ " }\n" +
+ " if n, op, want := a & b, `&`, and; n != want { ok=false; println(typ, `const`, a, op, `var`, b, `=`, n, `should be`, want); }\n" +
+ " if n, op, want := a | b, `|`, or; n != want { ok=false; println(typ, `const`, a, op, `var`, b, `=`, n, `should be`, want); }\n" +
+ " if n, op, want := a ^ b, `^`, xor; n != want { ok=false; println(typ, `const`, a, op, `var`, b, `=`, n, `should be`, want); }\n" +
+ " if n, op, want := a &^ b, `&^`, andnot; n != want { ok=false; println(typ, `const`, a, op, `var`, b, `=`, n, `should be`, want); }\n" +
+ "}\n" +
+ "\n"
+
+const binaryConstR = "func test%vBinaryR%v(a, add, sub, mul, div, mod, and, or, xor, andnot %v, dodiv bool) {\n" +
+ " const b %v = %v;\n" +
+ " const typ = `%s`;\n" +
+ " if n, op, want := a + b, `+`, add; n != want { ok=false; println(typ, `var`, a, op, `const`, b, `=`, n, `should be`, want); }\n" +
+ " if n, op, want := a - b, `-`, sub; n != want { ok=false; println(typ, `var`, a, op, `const`, b, `=`, n, `should be`, want); }\n" +
+ " if n, op, want := a * b, `*`, mul; n != want { ok=false; println(typ, `var`, a, op, `const`, b, `=`, n, `should be`, want); }\n" +
+ " if dodiv {\n" +
+ " if n, op, want := a / b, `/`, div; n != want { ok=false; println(typ, `var`, a, op, `const`, b, `=`, n, `should be`, want); }\n" +
+ " if n, op, want := a %% b, `%%`, mod; n != want { ok=false; println(typ, `var`, a, op, `const`, b, `=`, n, `should be`, want); }\n" +
+ " }\n" +
+ " if n, op, want := a & b, `&`, and; n != want { ok=false; println(typ, `var`, a, op, `const`, b, `=`, n, `should be`, want); }\n" +
+ " if n, op, want := a | b, `|`, or; n != want { ok=false; println(typ, `var`, a, op, `const`, b, `=`, n, `should be`, want); }\n" +
+ " if n, op, want := a ^ b, `^`, xor; n != want { ok=false; println(typ, `var`, a, op, `const`, b, `=`, n, `should be`, want); }\n" +
+ " if n, op, want := a &^ b, `&^`, andnot; n != want { ok=false; println(typ, `var`, a, op, `const`, b, `=`, n, `should be`, want); }\n" +
+ "}\n" +
+ "\n"
+
+const binaryConstR0 = "func test%vBinaryR%v(a, add, sub, mul, div, mod, and, or, xor, andnot %v, dodiv bool) {\n" +
+ " const b %v = %v;\n" +
+ " const typ = `%s`;\n" +
+ " if n, op, want := a + b, `+`, add; n != want { ok=false; println(typ, `var`, a, op, `const`, b, `=`, n, `should be`, want); }\n" +
+ " if n, op, want := a - b, `-`, sub; n != want { ok=false; println(typ, `var`, a, op, `const`, b, `=`, n, `should be`, want); }\n" +
+ " if n, op, want := a * b, `*`, mul; n != want { ok=false; println(typ, `var`, a, op, `const`, b, `=`, n, `should be`, want); }\n" +
+ " if n, op, want := a & b, `&`, and; n != want { ok=false; println(typ, `var`, a, op, `const`, b, `=`, n, `should be`, want); }\n" +
+ " if n, op, want := a | b, `|`, or; n != want { ok=false; println(typ, `var`, a, op, `const`, b, `=`, n, `should be`, want); }\n" +
+ " if n, op, want := a ^ b, `^`, xor; n != want { ok=false; println(typ, `var`, a, op, `const`, b, `=`, n, `should be`, want); }\n" +
+ " if n, op, want := a &^ b, `&^`, andnot; n != want { ok=false; println(typ, `var`, a, op, `const`, b, `=`, n, `should be`, want); }\n" +
+ "}\n" +
+ "\n"
+
+const shiftConstL = "func test%vShiftL%v(b uint64, left, right %v) {\n" +
+ " const a %v = %v;\n" +
+ " const typ = `%s`;\n" +
+ " if n, op, s, want := a << b, `<<`, b, left; n != want { ok=false; println(typ, `const`, a, op, `var`, s, `=`, n, `should be`, want); }\n" +
+ " if n, op, s, want := a >> b, `>>`, b, right; n != want { ok=false; println(typ, `const`, a, op, `var`, s, `=`, n, `should be`, want); }\n" +
+ " if uint64(uint32(b)) == b {\n" +
+ " b := uint32(b);\n" +
+ " if n, op, s, want := a << b, `<<`, b, left; n != want { ok=false; println(typ, `const`, a, op, `var`, s, `=`, n, `should be`, want); }\n" +
+ " if n, op, s, want := a >> b, `>>`, b, right; n != want { ok=false; println(typ, `const`, a, op, `var`, s, `=`, n, `should be`, want); }\n" +
+ " }\n" +
+ "}\n"
+
+const shiftConstR = "func test%vShiftR%v(a, left, right %v) {\n" +
+ " const b uint64 = %v;\n" +
+ " const typ = `%s`;\n" +
+ " if n, op, s, want := a << b, `<<`, b, left; n != want { ok=false; println(typ, `var`, a, op, `const`, s, `=`, n, `should be`, want); }\n" +
+ " if n, op, s, want := a >> b, `>>`, b, right; n != want { ok=false; println(typ, `var`, a, op, `const`, s, `=`, n, `should be`, want); }\n" +
+ " if b & 0xffffffff == b {\n" +
+ " const b = uint32(b & 0xffffffff);\n" +
+ " if n, op, s, want := a << b, `<<`, b, left; n != want { ok=false; println(typ, `var`, a, op, `const`, s, `=`, n, `should be`, want); }\n" +
+ " if n, op, s, want := a >> b, `>>`, b, right; n != want { ok=false; println(typ, `var`, a, op, `const`, s, `=`, n, `should be`, want); }\n" +
+ " }\n" +
+ "}\n"
+
+func constTests() {
+ for i, a := range int64Values {
+ fmt.Fprintf(bout, binaryConstL, "Int64", i, "int64", "int64", a, "int64")
+ if a.hi == 0 && a.lo == 0 {
+ fmt.Fprintf(bout, binaryConstR0, "Int64", i, "int64", "int64", a, "int64")
+ } else {
+ fmt.Fprintf(bout, binaryConstR, "Int64", i, "int64", "int64", a, "int64")
+ }
+ fmt.Fprintf(bout, shiftConstL, "Int64", i, "int64", "int64", a, "int64")
+ }
+ for i, a := range uint64Values {
+ fmt.Fprintf(bout, binaryConstL, "Uint64", i, "uint64", "uint64", a, "uint64")
+ if a.hi == 0 && a.lo == 0 {
+ fmt.Fprintf(bout, binaryConstR0, "Uint64", i, "uint64", "uint64", a, "uint64")
+ } else {
+ fmt.Fprintf(bout, binaryConstR, "Uint64", i, "uint64", "uint64", a, "uint64")
+ }
+ fmt.Fprintf(bout, shiftConstL, "Uint64", i, "uint64", "uint64", a, "uint64")
+ }
+ for i, a := range shiftValues {
+ fmt.Fprintf(bout, shiftConstR, "Int64", i, "int64", a, "int64")
+ fmt.Fprintf(bout, shiftConstR, "Uint64", i, "uint64", a, "uint64")
+ }
+ for i, a := range int64Values {
+ fmt.Fprintf(bout, "func test%v() {\n", ntest)
+ ntest++
+ for j, b := range int64Values {
+ var div, mod Int64
+ dodiv := false
+ var zero Int64
+ if b.Cmp(zero) != 0 { // b != 0
+ // Can't divide by zero but also can't divide -0x8000...000 by -1.
+ var bigneg = Int64{-0x80000000, 0}
+ var minus1 = Int64{-1, ^uint32(0)}
+ if a.Cmp(bigneg) != 0 || b.Cmp(minus1) != 0 { // a != -1<<63 || b != -1
+ div, mod = a.DivMod(b)
+ dodiv = true
+ }
+ }
+ fmt.Fprintf(bout, "\ttestInt64BinaryL%v(%v, %v, %v, %v, %v, %v, %v, %v, %v, %v, %v);\n",
+ i, b, a.Plus(b), a.Minus(b), a.Times(b), div, mod,
+ a.And(b), a.Or(b), a.Xor(b), a.AndNot(b), dodiv)
+ fmt.Fprintf(bout, "\ttestInt64BinaryR%v(%v, %v, %v, %v, %v, %v, %v, %v, %v, %v, %v);\n",
+ j, a, a.Plus(b), a.Minus(b), a.Times(b), div, mod,
+ a.And(b), a.Or(b), a.Xor(b), a.AndNot(b), dodiv)
+ }
+ for j, b := range shiftValues {
+ fmt.Fprintf(bout, "\ttestInt64ShiftL%v(%v, %v, %v);\n",
+ i, b, a.LeftShift64(b), a.RightShift64(b))
+ fmt.Fprintf(bout, "\ttestInt64ShiftR%v(%v, %v, %v);\n",
+ j, a, a.LeftShift64(b), a.RightShift64(b))
+ }
+ fmt.Fprintf(bout, "}\n")
+ }
+ for i, a := range uint64Values {
+ fmt.Fprintf(bout, "func test%v() {\n", ntest)
+ ntest++
+ for j, b := range uint64Values {
+ var div, mod Uint64
+ dodiv := false
+ var zero Uint64
+ if b.Cmp(zero) != 0 { // b != 0
+ div, mod = a.DivMod(b)
+ dodiv = true
+ }
+ fmt.Fprintf(bout, "\ttestUint64BinaryL%v(%v, %v, %v, %v, %v, %v, %v, %v, %v, %v, %v);\n",
+ i, b, a.Plus(b), a.Minus(b), a.Times(b), div, mod,
+ a.And(b), a.Or(b), a.Xor(b), a.AndNot(b), dodiv)
+ fmt.Fprintf(bout, "\ttestUint64BinaryR%v(%v, %v, %v, %v, %v, %v, %v, %v, %v, %v, %v);\n",
+ j, a, a.Plus(b), a.Minus(b), a.Times(b), div, mod,
+ a.And(b), a.Or(b), a.Xor(b), a.AndNot(b), dodiv)
+ }
+ for j, b := range shiftValues {
+ fmt.Fprintf(bout, "\ttestUint64ShiftL%v(%v, %v, %v);\n",
+ i, b, a.LeftShift64(b), a.RightShift64(b))
+ fmt.Fprintf(bout, "\ttestUint64ShiftR%v(%v, %v, %v);\n",
+ j, a, a.LeftShift64(b), a.RightShift64(b))
+ }
+ fmt.Fprintf(bout, "}\n")
+ }
+}
+
+func main() {
+ bout = bufio.NewWriter(os.Stdout)
+ varTests()
+ constTests()
+
+ fmt.Fprintf(bout, "func main() {\n")
+ for i := 0; i < ntest; i++ {
+ fmt.Fprintf(bout, "\ttest%v();\n", i)
+ }
+ fmt.Fprintf(bout, "\tif !ok { os.Exit(1) }\n")
+ fmt.Fprintf(bout, "}\n")
+ bout.Flush()
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-06 06:47:22 +0000