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internal/ops: optimize Decode

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Using clean struct creation creates a lot of temporary variables in
assembly. Inline the assignments, which generates less code.

Signed-off-by: Egon Elbre <egonelbre@gmail.com>
This commit is contained in:
Egon Elbre
2022-07-02 16:39:16 +03:00
committed by Elias Naur
parent 17f604fb50
commit f8f68a4e9f
2 changed files with 14 additions and 34 deletions
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internal/ops/ops.go
+6 -15
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@@ -168,21 +168,12 @@ func (op *ClipOp) Decode(data []byte) {
}
data = data[:TypeClipLen]
bo := binary.LittleEndian
r := image.Rectangle{
Min: image.Point{
X: int(int32(bo.Uint32(data[1:]))),
Y: int(int32(bo.Uint32(data[5:]))),
},
Max: image.Point{
X: int(int32(bo.Uint32(data[9:]))),
Y: int(int32(bo.Uint32(data[13:]))),
},
}
*op = ClipOp{
Bounds: r,
Outline: data[17] == 1,
Shape: Shape(data[18]),
}
op.Bounds.Min.X = int(int32(bo.Uint32(data[1:])))
op.Bounds.Min.Y = int(int32(bo.Uint32(data[5:])))
op.Bounds.Max.X = int(int32(bo.Uint32(data[9:])))
op.Bounds.Max.Y = int(int32(bo.Uint32(data[13:])))
op.Outline = data[17] == 1
op.Shape = Shape(data[18])
}
func Reset(o *Ops) {