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dc8976dd0b
... if the architecture can't do unaligned loads. We already handle this in a few places, but this particular place was added in CL 399542 and missed this additional restriction. Fixes #67212 (Reroll of CL 583417) Change-Id: I8ee74909341e0af0d51d3761e17ff92e744ecd38 Reviewed-on: https://go-review.googlesource.com/c/go/+/583798 Reviewed-by: Keith Randall <khr@google.com> Reviewed-by: Keith Randall <khr@golang.org> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
33 lines
767 B
Go
33 lines
767 B
Go
// run
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// Copyright 2024 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 to make sure that we don't try using larger loads for
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// generated equality functions on architectures that can't do
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// unaligned loads.
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package main
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// T has a big field that wants to be compared with larger loads/stores.
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// T is "special" because of the unnamed field, so it needs a generated equality function.
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// T is an odd number of bytes in size and has alignment 1.
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type T struct {
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src [8]byte
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_ byte
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}
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// U contains 8 copies of T, each at a different %8 alignment.
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type U [8]T
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//go:noinline
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func f(x, y *U) bool {
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return *x == *y
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}
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func main() {
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var a U
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_ = f(&a, &a)
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}
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