Adding upstream version 1.18.10.upstream/1.18.10upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 20 insertions, 0 deletions

diff --git a/src/cmd/compile/internal/riscv64/gsubr.go b/src/cmd/compile/internal/riscv64/gsubr.go
new file mode 100644
index 0000000..74bccf8
--- /dev/null
+++ b/src/cmd/compile/internal/riscv64/gsubr.go
@@ -0,0 +1,20 @@
+// Copyright 2016 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.
+
+package riscv64
+
+import (
+	"cmd/compile/internal/objw"
+	"cmd/internal/obj"
+	"cmd/internal/obj/riscv"
+)
+
+func ginsnop(pp *objw.Progs) *obj.Prog {
+	// Hardware nop is ADD $0, ZERO
+	p := pp.Prog(riscv.AADD)
+	p.From.Type = obj.TYPE_CONST
+	p.Reg = riscv.REG_ZERO
+	p.To = obj.Addr{Type: obj.TYPE_REG, Reg: riscv.REG_ZERO}
+	return p
+}