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test/codegen/issue38554.go

15 строк355 B

Josh Bleecher Snyder

cmd/compile: optimize Move with all-zero ro sym src to Zero

25 апр 2020, 02:58

25 апр 2020, 02:584a7e363

// asmcheck

// Copyright 2020 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 that we are zeroing directly instead of
// copying a large zero value. Issue 38554.

package codegen

func retlarge() [256]byte {
	// amd64:-"DUFFCOPY"
	return [256]byte{}
}