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go/test/retjmp.dir/a.s
Cherry Mui 67917c3d78 cmd/internal/obj: fix tail call in non-zero frame leaf function on MIPS and S390X
A "RET f(SB)" wasn't assembled correctly in a leaf function with
non-zero frame size. Follows CL 371034, for MIPS(32/64)(be/le)
and S390X. Other architectures seem to do it right. Add a test.

Change-Id: I41349a7ae9862b924f3a3de2bcb55b782061ce21
Reviewed-on: https://go-review.googlesource.com/c/go/+/371214
Trust: Cherry Mui <cherryyz@google.com>
Run-TryBot: Cherry Mui <cherryyz@google.com>
Reviewed-by: David Chase <drchase@google.com>
2021-12-13 22:42:08 +00:00

17 lines
385 B
ArmAsm

// Copyright 2018 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.
TEXT ·f(SB), 4, $8-0
CALL ·f1(SB)
RET ·f2(SB)
CALL ·unreachable(SB)
TEXT ·leaf(SB), 4, $0-0
RET ·f3(SB)
JMP ·unreachable(SB)
TEXT ·leaf2(SB), 4, $32-0 // nonzero frame size
RET ·f4(SB)
JMP ·unreachable(SB)