1 // Do not edit. Bootstrap copy of /usr/local/google/buildbot/src/android/build-tools/out/obj/go/src/cmd/asm/internal/arch/ppc64.go 2 3 //line /usr/local/google/buildbot/src/android/build-tools/out/obj/go/src/cmd/asm/internal/arch/ppc64.go:1 4 // Copyright 2015 The Go Authors. All rights reserved. 5 // Use of this source code is governed by a BSD-style 6 // license that can be found in the LICENSE file. 7 8 // This file encapsulates some of the odd characteristics of the 9 // 64-bit PowerPC (PPC64) instruction set, to minimize its interaction 10 // with the core of the assembler. 11 12 package arch 13 14 import "bootstrap/internal/obj/ppc64" 15 16 func jumpPPC64(word string) bool { 17 switch word { 18 case "BC", "BCL", "BEQ", "BGE", "BGT", "BL", "BLE", "BLT", "BNE", "BR", "BVC", "BVS", "CALL", "JMP": 19 return true 20 } 21 return false 22 } 23 24 // IsPPC64RLD reports whether the op (as defined by an ppc64.A* constant) is 25 // one of the RLD-like instructions that require special handling. 26 // The FMADD-like instructions behave similarly. 27 func IsPPC64RLD(op int) bool { 28 switch op { 29 case ppc64.ARLDC, ppc64.ARLDCCC, ppc64.ARLDCL, ppc64.ARLDCLCC, 30 ppc64.ARLDCR, ppc64.ARLDCRCC, ppc64.ARLDMI, ppc64.ARLDMICC, 31 ppc64.ARLWMI, ppc64.ARLWMICC, ppc64.ARLWNM, ppc64.ARLWNMCC: 32 return true 33 case ppc64.AFMADD, ppc64.AFMADDCC, ppc64.AFMADDS, ppc64.AFMADDSCC, 34 ppc64.AFMSUB, ppc64.AFMSUBCC, ppc64.AFMSUBS, ppc64.AFMSUBSCC, 35 ppc64.AFNMADD, ppc64.AFNMADDCC, ppc64.AFNMADDS, ppc64.AFNMADDSCC, 36 ppc64.AFNMSUB, ppc64.AFNMSUBCC, ppc64.AFNMSUBS, ppc64.AFNMSUBSCC: 37 return true 38 } 39 return false 40 } 41 42 // IsPPC64CMP reports whether the op (as defined by an ppc64.A* constant) is 43 // one of the CMP instructions that require special handling. 44 func IsPPC64CMP(op int) bool { 45 switch op { 46 case ppc64.ACMP, ppc64.ACMPU, ppc64.ACMPW, ppc64.ACMPWU: 47 return true 48 } 49 return false 50 } 51 52 // IsPPC64NEG reports whether the op (as defined by an ppc64.A* constant) is 53 // one of the NEG-like instructions that require special handling. 54 func IsPPC64NEG(op int) bool { 55 switch op { 56 case ppc64.AADDMECC, ppc64.AADDMEVCC, ppc64.AADDMEV, ppc64.AADDME, 57 ppc64.AADDZECC, ppc64.AADDZEVCC, ppc64.AADDZEV, ppc64.AADDZE, 58 ppc64.ACNTLZDCC, ppc64.ACNTLZD, ppc64.ACNTLZWCC, ppc64.ACNTLZW, 59 ppc64.AEXTSBCC, ppc64.AEXTSB, ppc64.AEXTSHCC, ppc64.AEXTSH, 60 ppc64.AEXTSWCC, ppc64.AEXTSW, ppc64.ANEGCC, ppc64.ANEGVCC, 61 ppc64.ANEGV, ppc64.ANEG, ppc64.ASLBMFEE, ppc64.ASLBMFEV, 62 ppc64.ASLBMTE, ppc64.ASUBMECC, ppc64.ASUBMEVCC, ppc64.ASUBMEV, 63 ppc64.ASUBME, ppc64.ASUBZECC, ppc64.ASUBZEVCC, ppc64.ASUBZEV, 64 ppc64.ASUBZE: 65 return true 66 } 67 return false 68 } 69 70 func ppc64RegisterNumber(name string, n int16) (int16, bool) { 71 switch name { 72 case "CR": 73 if 0 <= n && n <= 7 { 74 return ppc64.REG_CR0 + n, true 75 } 76 case "F": 77 if 0 <= n && n <= 31 { 78 return ppc64.REG_F0 + n, true 79 } 80 case "R": 81 if 0 <= n && n <= 31 { 82 return ppc64.REG_R0 + n, true 83 } 84 case "SPR": 85 if 0 <= n && n <= 1024 { 86 return ppc64.REG_SPR0 + n, true 87 } 88 } 89 return 0, false 90 } 91
