From: Cherry Mui <cherryyz@google.com>
Date: Thu, 27 May 2021 22:22:49 +0000 (-0400)
Subject: [dev.typeparams] internal/abi: define ARM64 register ABI constants
X-Git-Tag: go1.18beta1~1818^2^2~462
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=c3639918d1c319e34bbb67b506394e8ee4d2fc6c;p=gostls13.git

[dev.typeparams] internal/abi: define ARM64 register ABI constants

Change-Id: I9cdf0f2b6c1739f13a859a8e37351f8ecd77804a
Reviewed-on: https://go-review.googlesource.com/c/go/+/323932
Trust: Cherry Mui <cherryyz@google.com>
Run-TryBot: Cherry Mui <cherryyz@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
---

diff --git a/src/internal/abi/abi_arm64.go b/src/internal/abi/abi_arm64.go
new file mode 100644
index 0000000000..7544d7506e
--- /dev/null
+++ b/src/internal/abi/abi_arm64.go
@@ -0,0 +1,20 @@
+// Copyright 2021 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.
+
+//go:build goexperiment.regabireflect
+// +build goexperiment.regabireflect
+
+package abi
+
+const (
+	// See abi_generic.go.
+
+	// R0 - R15.
+	IntArgRegs = 16
+
+	// F0 - F15.
+	FloatArgRegs = 16
+
+	EffectiveFloatRegSize = 8
+)