d43efabdbe
Adds support for a `CancellingInputs` instruction flag, to indicate cases like `XORQ R10, R10` where the instruction actually does not depend on the value of `R10` at all. Closes #89
23 lines
340 B
Go
23 lines
340 B
Go
// +build ignore
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package main
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import (
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. "github.com/mmcloughlin/avo/build"
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. "github.com/mmcloughlin/avo/operand"
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)
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func main() {
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TEXT("Issue89", NOSPLIT, "func() uint64")
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x := GP64()
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MOVQ(U32(42), x)
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for i := 0; i < 100; i++ {
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zero := GP64()
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XORQ(zero, zero)
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ADDQ(zero, x)
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}
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Store(x, ReturnIndex(0))
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RET()
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Generate()
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}
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