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| author | Cherry Mui <cherryyz@google.com> | 2021-06-03 12:23:14 -0400 |
|---|---|---|
| committer | Cherry Mui <cherryyz@google.com> | 2021-06-03 20:00:30 +0000 |
| commit | 6b1e4430bb79674ff523240608f106a1aeb7302e (patch) | |
| tree | a1881fb804c989a11ecf92d3168d9d8e6111f746 /test/codegen | |
| parent | 1c947e4f31331ffbc0397a7781c443903f1da473 (diff) | |
| download | go-6b1e4430bb79674ff523240608f106a1aeb7302e.tar.xz | |
[dev.typeparams] cmd/compile: implement clobberdead mode on ARM64
For debugging.
Change-Id: I5875ccd2413b8ffd2ec97a0ace66b5cae7893b24
Reviewed-on: https://go-review.googlesource.com/c/go/+/324765
Trust: Cherry Mui <cherryyz@google.com>
Run-TryBot: Cherry Mui <cherryyz@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Diffstat (limited to 'test/codegen')
| -rw-r--r-- | test/codegen/clobberdead.go | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/test/codegen/clobberdead.go b/test/codegen/clobberdead.go index f8d964cba6..c490790bb6 100644 --- a/test/codegen/clobberdead.go +++ b/test/codegen/clobberdead.go @@ -1,6 +1,6 @@ // asmcheck -gcflags=-clobberdead -// +build amd64 +// +build amd64 arm64 // Copyright 2021 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style @@ -13,15 +13,18 @@ type T [2]*int // contain pointer, not SSA-able (so locals are not registerized) var p1, p2, p3 T func F() { - // 3735936685 is 0xdeaddead + // 3735936685 is 0xdeaddead. On ARM64 R27 is REGTMP. // clobber x, y at entry. not clobber z (stack object). // amd64:`MOVL\t\$3735936685, ""\.x`, `MOVL\t\$3735936685, ""\.y`, -`MOVL\t\$3735936685, ""\.z` + // arm64:`MOVW\tR27, ""\.x`, `MOVW\tR27, ""\.y`, -`MOVW\tR27, ""\.z` x, y, z := p1, p2, p3 addrTaken(&z) // x is dead at the call (the value of x is loaded before the CALL), y is not // amd64:`MOVL\t\$3735936685, ""\.x`, -`MOVL\t\$3735936685, ""\.y` + // arm64:`MOVW\tR27, ""\.x`, -`MOVW\tR27, ""\.y` use(x) // amd64:`MOVL\t\$3735936685, ""\.x`, `MOVL\t\$3735936685, ""\.y` + // arm64:`MOVW\tR27, ""\.x`, `MOVW\tR27, ""\.y` use(y) } |