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27 lines
504 B
Go
27 lines
504 B
Go
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// compile
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//go:build amd64 && goexperiment.simd
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// Copyright 2025 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Test case for rematerialization ignoring the register constraint
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// during regalloc's shuffle phase.
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package p
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import (
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"simd"
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)
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func PackComplex(b bool) {
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for {
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if b {
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var indices [4]uint32
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simd.Uint32x4{}.ShiftAllRight(20).Store(&indices)
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_ = indices[indices[0]]
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}
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}
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}
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