go source for verification 2026-05-22

test/codegen/constants.go

@@ -0,0 +1,35 @@
+// asmcheck
+
+// Copyright 2023 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 codegen
+
+// A uint16 or sint16 constant shifted left.
+func shifted16BitConstants() (out [64]uint64) {
+	// ppc64x: "MOVD [$]8193,", "SLD [$]27,"
+	out[0] = 0x0000010008000000
+	// ppc64x: "MOVD [$]-32767", "SLD [$]26,"
+	out[1] = 0xFFFFFE0004000000
+	// ppc64x: "MOVD [$]-1", "SLD [$]48,"
+	out[2] = 0xFFFF000000000000
+	// ppc64x: "MOVD [$]65535", "SLD [$]44,"
+	out[3] = 0x0FFFF00000000000
+	return
+}
+
+// A contiguous set of 1 bits, potentially wrapping.
+func contiguousMaskConstants() (out [64]uint64) {
+	// ppc64x: "MOVD [$]-1", "RLDC R[0-9]+, [$]44, [$]63,"
+	out[0] = 0xFFFFF00000000001
+	// ppc64x: "MOVD [$]-1", "RLDC R[0-9]+, [$]43, [$]63,"
+	out[1] = 0xFFFFF80000000001
+	// ppc64x: "MOVD [$]-1", "RLDC R[0-9]+, [$]43, [$]4,"
+	out[2] = 0x0FFFF80000000000
+	// ppc64x/power8: "MOVD [$]-1", "RLDC R[0-9]+, [$]33, [$]63,"
+	// ppc64x/power9: "MOVD [$]-1", "RLDC R[0-9]+, [$]33, [$]63,"
+	// ppc64x/power10: "MOVD [$]-8589934591,"
+	out[3] = 0xFFFFFFFE00000001
+	return
+}