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examples: add most docstrings

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This commit is contained in:
Michael McLoughlin
2018-12-27 23:09:44 -08:00
parent 9f5277bf8e
commit 2ffc7d7fd5
18 changed files with 43 additions and 23 deletions
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1
examples/add/asm.go
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@@ -8,6 +8,7 @@ import (
func main() {
TEXT("Add", "func(x, y uint64) uint64")
Doc("Add adds x and y.")
x := Load(Param("x"), GP64v())
y := Load(Param("y"), GP64v())
ADDQ(x, y)

1
examples/add/stub.go
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@@ -2,4 +2,5 @@
package add
// Add adds x and y.
func Add(x uint64, y uint64) uint64

17
examples/complex/asm.go
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@@ -7,19 +7,22 @@ import (
)
func main() {
TEXT("Real", "func(x complex128) float64")
r := Load(Param("x").Real(), Xv())
TEXT("Real", "func(z complex128) float64")
Doc("Real returns the real part of z.")
r := Load(Param("z").Real(), Xv())
Store(r, ReturnIndex(0))
RET()
TEXT("Imag", "func(x complex128) float64")
i := Load(Param("x").Imag(), Xv())
TEXT("Imag", "func(z complex128) float64")
Doc("Imag returns the imaginary part of z.")
i := Load(Param("z").Imag(), Xv())
Store(i, ReturnIndex(0))
RET()
TEXT("Norm", "func(x complex128) float64")
r = Load(Param("x").Real(), Xv())
i = Load(Param("x").Imag(), Xv())
TEXT("Norm", "func(z complex128) float64")
Doc("Norm returns the complex norm of z.")
r = Load(Param("z").Real(), Xv())
i = Load(Param("z").Imag(), Xv())
MULSD(r, r)
MULSD(i, i)
ADDSD(i, r)

14
examples/complex/complex.s
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@@ -2,22 +2,22 @@
#include "textflag.h"
// func Real(x complex128) float64
// func Real(z complex128) float64
TEXT ·Real(SB), 0, $0-24
MOVSD x_real(FP), X0
MOVSD z_real(FP), X0
MOVSD X0, ret+16(FP)
RET
// func Imag(x complex128) float64
// func Imag(z complex128) float64
TEXT ·Imag(SB), 0, $0-24
MOVSD x_imag+8(FP), X0
MOVSD z_imag+8(FP), X0
MOVSD X0, ret+16(FP)
RET
// func Norm(x complex128) float64
// func Norm(z complex128) float64
TEXT ·Norm(SB), 0, $0-24
MOVSD x_real(FP), X0
MOVSD x_imag+8(FP), X1
MOVSD z_real(FP), X0
MOVSD z_imag+8(FP), X1
MULSD X0, X0
MULSD X1, X1
ADDSD X1, X0

12
examples/complex/complex_test.go
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@@ -9,8 +9,8 @@ import (
//go:generate go run asm.go -out complex.s -stubs stub.go
func TestReal(t *testing.T) {
expect := func(x complex128) float64 {
return real(x)
expect := func(z complex128) float64 {
return real(z)
}
if err := quick.CheckEqual(Real, expect, nil); err != nil {
t.Fatal(err)
@@ -18,8 +18,8 @@ func TestReal(t *testing.T) {
}
func TestImag(t *testing.T) {
expect := func(x complex128) float64 {
return imag(x)
expect := func(z complex128) float64 {
return imag(z)
}
if err := quick.CheckEqual(Imag, expect, nil); err != nil {
t.Fatal(err)
@@ -27,8 +27,8 @@ func TestImag(t *testing.T) {
}
func TestNorm(t *testing.T) {
expect := func(x complex128) float64 {
return math.Sqrt(real(x)*real(x) + imag(x)*imag(x))
expect := func(z complex128) float64 {
return math.Sqrt(real(z)*real(z) + imag(z)*imag(z))
}
if err := quick.CheckEqual(Norm, expect, nil); err != nil {
t.Fatal(err)

9
examples/complex/stub.go
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@@ -2,8 +2,11 @@
package complex
func Real(x complex128) float64
// Real returns the real part of z.
func Real(z complex128) float64
func Imag(x complex128) float64
// Imag returns the imaginary part of z.
func Imag(z complex128) float64
func Norm(x complex128) float64
// Norm returns the complex norm of z.
func Norm(z complex128) float64

1
examples/data/asm.go
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@@ -21,6 +21,7 @@ func main() {
DATA(39, U8(0x77))
TEXT("DataAt", "func(i int) byte")
Doc("DataAt returns byte i in the 'bytes' global data section.")
i := Load(Param("i"), GP64v())
ptr := Mem{Base: GP64v()}
LEAQ(bytes, ptr.Base)

1
examples/data/stub.go
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@@ -2,4 +2,5 @@
package data
// DataAt returns byte i in the 'bytes' global data section.
func DataAt(i int) byte

1
examples/fnv1a/asm.go
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@@ -15,6 +15,7 @@ const (
func main() {
TEXT("Hash64", "func(data []byte) uint64")
Doc("Hash64 computes the FNV-1a hash of data.")
ptr := Load(Param("data").Base(), GP64v())
n := Load(Param("data").Len(), GP64v())

1
examples/fnv1a/stub.go
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@@ -2,4 +2,5 @@
package fnv1a
// Hash64 computes the FNV-1a hash of data.
func Hash64(data []byte) uint64

1
examples/geohash/asm.go
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@@ -9,6 +9,7 @@ import (
func main() {
TEXT("EncodeInt", "func(lat, lng float64) uint64")
Doc("EncodeInt computes the 64-bit integer geohash of (lat, lng).")
lat := Load(Param("lat"), Xv())
lng := Load(Param("lng"), Xv())

1
examples/geohash/stub.go
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@@ -2,4 +2,5 @@
package geohash
// EncodeInt computes the 64-bit integer geohash of (lat, lng).
func EncodeInt(lat float64, lng float64) uint64

1
examples/sha1/asm.go
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@@ -10,6 +10,7 @@ import (
func main() {
TEXT("block", "func(h *[5]uint32, m []byte)")
Doc("block SHA-1 hashes the 64-byte message m into the running state h.")
h := Mem{Base: Load(Param("h"), GP64v())}
m := Mem{Base: Load(Param("m").Base(), GP64v())}

1
examples/sha1/stub.go
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@@ -2,4 +2,5 @@
package sha1
// block SHA-1 hashes the 64-byte message m into the running state h.
func block(h *[5]uint32, m []byte)

1
examples/stadtx/asm.go
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@@ -39,6 +39,7 @@ func makelabels(name string, n int) []string {
func main() {
Package("github.com/mmcloughlin/avo/examples/stadtx")
TEXT("Hash", "func(state *State, key []byte) uint64")
Doc("Hash computes the Stadtx hash.")
statePtr := Load(Param("state"), GP64v())
ptr := Load(Param("key").Base(), GP64v())

1
examples/stadtx/stub.go
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@@ -2,4 +2,5 @@
package stadtx
// Hash computes the Stadtx hash.
func Hash(state *State, key []byte) uint64

1
examples/sum/asm.go
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@@ -9,6 +9,7 @@ import (
func main() {
TEXT("Sum", "func(xs []uint64) uint64")
Doc("Sum returns the sum of the elements in xs.")
ptr := Load(Param("xs").Base(), GP64v())
n := Load(Param("xs").Len(), GP64v())
s := GP64v()

1
examples/sum/stub.go
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@@ -2,4 +2,5 @@
package sum
// Sum returns the sum of the elements in xs.
func Sum(xs []uint64) uint64