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e5ee1f2600
This CL also adds riscv64 checks Change-Id: I693e4e606f470615f6b49085592d6d5ca61473d3 Reviewed-on: https://go-review.googlesource.com/c/go/+/703716 Reviewed-by: Pengcheng Wang <wangpengcheng.pp@bytedance.com> Auto-Submit: Keith Randall <khr@google.com> Reviewed-by: Mark Freeman <markfreeman@google.com> Reviewed-by: Joel Sing <joel@sing.id.au> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Keith Randall <khr@google.com>
37 lines
1.4 KiB
Go
37 lines
1.4 KiB
Go
// asmcheck
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// Copyright 2018 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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// These tests check that allocating a 0-size object does not
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// introduce a call to runtime.newobject.
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package codegen
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func zeroAllocNew1() *struct{} {
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// 386:-`CALL\truntime\.newobject`, `LEAL\truntime.zerobase`
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// amd64:-`CALL\truntime\.newobject`, `LEAQ\truntime.zerobase`
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// arm:-`CALL\truntime\.newobject`, `MOVW\t[$]runtime.zerobase`
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// arm64:-`CALL\truntime\.newobject`, `MOVD\t[$]runtime.zerobase`
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// riscv64:-`CALL\truntime\.newobject`, `MOV\t[$]runtime.zerobase`
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return new(struct{})
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}
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func zeroAllocNew2() *[0]int {
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// 386:-`CALL\truntime\.newobject`, `LEAL\truntime.zerobase`
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// amd64:-`CALL\truntime\.newobject`, `LEAQ\truntime.zerobase`
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// arm:-`CALL\truntime\.newobject`, `MOVW\t[$]runtime.zerobase`
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// arm64:-`CALL\truntime\.newobject`, `MOVD\t[$]runtime.zerobase`
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// riscv64:-`CALL\truntime\.newobject`, `MOV\t[$]runtime.zerobase`
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return new([0]int)
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}
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func zeroAllocSliceLit() []int {
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// 386:-`CALL\truntime\.newobject`, `LEAL\truntime.zerobase`
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// amd64:-`CALL\truntime\.newobject`, `LEAQ\truntime.zerobase`
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// arm:-`CALL\truntime\.newobject`, `MOVW\t[$]runtime.zerobase`
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// arm64:-`CALL\truntime\.newobject`, `MOVD\t[$]runtime.zerobase`
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// riscv64:-`CALL\truntime\.newobject`, `MOV\t[$]runtime.zerobase`
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return []int{}
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}
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