// 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 }