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test/fixedbugs/issue67160.go
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khr@golang.org
cmd/compile: don't combine loads in generated equality functions
06 май 2024, 18:34
06 май 2024, 18:34
3c72dd5
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// run // Copyright 2024 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // Test to make sure that we don't try using larger loads for // generated equality functions on architectures that can't do // unaligned loads. package main // T has a big field that wants to be compared with larger loads/stores. // T is "special" because of the unnamed field, so it needs a generated equality function. // T is an odd number of bytes in size and has alignment 1. type T struct { src [8]byte _ byte } // U contains 8 copies of T, each at a different %8 alignment. type U [8]T //go:noinline func f(x, y *U) bool { return *x == *y } func main() { var a U _ = f(&a, &a) }