github.com/riscv/riscv-go@v0.0.0-20200123204226-124ebd6fcc8e/src/cmd/compile/internal/s390x/prog.go (about) 1 // Copyright 2016 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 package s390x 6 7 import ( 8 "cmd/compile/internal/gc" 9 "cmd/internal/obj" 10 "cmd/internal/obj/s390x" 11 ) 12 13 // This table gives the basic information about instruction 14 // generated by the compiler and processed in the optimizer. 15 // See opt.h for bit definitions. 16 // 17 // Instructions not generated need not be listed. 18 // As an exception to that rule, we typically write down all the 19 // size variants of an operation even if we just use a subset. 20 var progtable = [s390x.ALAST & obj.AMask]gc.ProgInfo{ 21 obj.ATYPE & obj.AMask: {Flags: gc.Pseudo | gc.Skip}, 22 obj.ATEXT & obj.AMask: {Flags: gc.Pseudo}, 23 obj.AFUNCDATA & obj.AMask: {Flags: gc.Pseudo}, 24 obj.APCDATA & obj.AMask: {Flags: gc.Pseudo}, 25 obj.AUNDEF & obj.AMask: {Flags: gc.Break}, 26 obj.AUSEFIELD & obj.AMask: {Flags: gc.OK}, 27 obj.AVARDEF & obj.AMask: {Flags: gc.Pseudo | gc.RightWrite}, 28 obj.AVARKILL & obj.AMask: {Flags: gc.Pseudo | gc.RightWrite}, 29 obj.AVARLIVE & obj.AMask: {Flags: gc.Pseudo | gc.LeftRead}, 30 31 // NOP is an internal no-op that also stands 32 // for USED and SET annotations. 33 obj.ANOP & obj.AMask: {Flags: gc.LeftRead | gc.RightWrite}, 34 35 // Integer 36 s390x.AADD & obj.AMask: {Flags: gc.SizeQ | gc.LeftRead | gc.RegRead | gc.RightWrite}, 37 s390x.ASUB & obj.AMask: {Flags: gc.SizeQ | gc.LeftRead | gc.RegRead | gc.RightWrite}, 38 s390x.ASUBE & obj.AMask: {Flags: gc.SizeQ | gc.LeftRead | gc.RegRead | gc.RightWrite}, 39 s390x.AADDW & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.RegRead | gc.RightWrite}, 40 s390x.ASUBW & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.RegRead | gc.RightWrite}, 41 s390x.ANEG & obj.AMask: {Flags: gc.SizeQ | gc.LeftRead | gc.RegRead | gc.RightWrite}, 42 s390x.ANEGW & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.RegRead | gc.RightWrite}, 43 s390x.AAND & obj.AMask: {Flags: gc.SizeQ | gc.LeftRead | gc.RegRead | gc.RightWrite}, 44 s390x.AANDW & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.RegRead | gc.RightWrite}, 45 s390x.AOR & obj.AMask: {Flags: gc.SizeQ | gc.LeftRead | gc.RegRead | gc.RightWrite}, 46 s390x.AORW & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.RegRead | gc.RightWrite}, 47 s390x.AXOR & obj.AMask: {Flags: gc.SizeQ | gc.LeftRead | gc.RegRead | gc.RightWrite}, 48 s390x.AXORW & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.RegRead | gc.RightWrite}, 49 s390x.AMULLD & obj.AMask: {Flags: gc.SizeQ | gc.LeftRead | gc.RegRead | gc.RightWrite}, 50 s390x.AMULLW & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.RegRead | gc.RightWrite}, 51 s390x.AMULHD & obj.AMask: {Flags: gc.SizeQ | gc.LeftRead | gc.RegRead | gc.RightWrite}, 52 s390x.AMULHDU & obj.AMask: {Flags: gc.SizeQ | gc.LeftRead | gc.RegRead | gc.RightWrite}, 53 s390x.ADIVD & obj.AMask: {Flags: gc.SizeQ | gc.LeftRead | gc.RegRead | gc.RightWrite}, 54 s390x.ADIVDU & obj.AMask: {Flags: gc.SizeQ | gc.LeftRead | gc.RegRead | gc.RightWrite}, 55 s390x.ADIVW & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.RegRead | gc.RightWrite}, 56 s390x.ADIVWU & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.RegRead | gc.RightWrite}, 57 s390x.ASLD & obj.AMask: {Flags: gc.SizeQ | gc.LeftRead | gc.RegRead | gc.RightWrite}, 58 s390x.ASLW & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.RegRead | gc.RightWrite}, 59 s390x.ASRD & obj.AMask: {Flags: gc.SizeQ | gc.LeftRead | gc.RegRead | gc.RightWrite}, 60 s390x.ASRW & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.RegRead | gc.RightWrite}, 61 s390x.ASRAD & obj.AMask: {Flags: gc.SizeQ | gc.LeftRead | gc.RegRead | gc.RightWrite}, 62 s390x.ASRAW & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.RegRead | gc.RightWrite}, 63 s390x.ARLL & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.RegRead | gc.RightWrite}, 64 s390x.ARLLG & obj.AMask: {Flags: gc.SizeQ | gc.LeftRead | gc.RegRead | gc.RightWrite}, 65 s390x.ACMP & obj.AMask: {Flags: gc.SizeQ | gc.LeftRead | gc.RightRead}, 66 s390x.ACMPU & obj.AMask: {Flags: gc.SizeQ | gc.LeftRead | gc.RightRead}, 67 s390x.ACMPW & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.RightRead}, 68 s390x.ACMPWU & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.RightRead}, 69 s390x.AMODD & obj.AMask: {Flags: gc.SizeQ | gc.LeftRead | gc.RegRead | gc.RightWrite}, 70 s390x.AMODDU & obj.AMask: {Flags: gc.SizeQ | gc.LeftRead | gc.RegRead | gc.RightWrite}, 71 s390x.AMODW & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.RegRead | gc.RightWrite}, 72 s390x.AMODWU & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.RegRead | gc.RightWrite}, 73 s390x.AFLOGR & obj.AMask: {Flags: gc.SizeQ | gc.LeftRead | gc.RightWrite}, 74 75 // Floating point. 76 s390x.AFADD & obj.AMask: {Flags: gc.SizeD | gc.LeftRead | gc.RegRead | gc.RightWrite}, 77 s390x.AFADDS & obj.AMask: {Flags: gc.SizeF | gc.LeftRead | gc.RegRead | gc.RightWrite}, 78 s390x.AFSUB & obj.AMask: {Flags: gc.SizeD | gc.LeftRead | gc.RegRead | gc.RightWrite}, 79 s390x.AFSUBS & obj.AMask: {Flags: gc.SizeF | gc.LeftRead | gc.RegRead | gc.RightWrite}, 80 s390x.AFMUL & obj.AMask: {Flags: gc.SizeD | gc.LeftRead | gc.RegRead | gc.RightWrite}, 81 s390x.AFMULS & obj.AMask: {Flags: gc.SizeF | gc.LeftRead | gc.RegRead | gc.RightWrite}, 82 s390x.AFDIV & obj.AMask: {Flags: gc.SizeD | gc.LeftRead | gc.RegRead | gc.RightWrite}, 83 s390x.AFDIVS & obj.AMask: {Flags: gc.SizeF | gc.LeftRead | gc.RegRead | gc.RightWrite}, 84 s390x.AFCMPU & obj.AMask: {Flags: gc.SizeD | gc.LeftRead | gc.RightRead}, 85 s390x.ACEBR & obj.AMask: {Flags: gc.SizeF | gc.LeftRead | gc.RightRead}, 86 s390x.ALEDBR & obj.AMask: {Flags: gc.SizeD | gc.LeftRead | gc.RightWrite | gc.Conv}, 87 s390x.ALDEBR & obj.AMask: {Flags: gc.SizeD | gc.LeftRead | gc.RightWrite | gc.Conv}, 88 s390x.AFSQRT & obj.AMask: {Flags: gc.SizeD | gc.LeftRead | gc.RightWrite}, 89 s390x.AFNEG & obj.AMask: {Flags: gc.SizeD | gc.LeftRead | gc.RightWrite}, 90 s390x.AFNEGS & obj.AMask: {Flags: gc.SizeF | gc.LeftRead | gc.RightWrite}, 91 92 // Conversions 93 s390x.ACEFBRA & obj.AMask: {Flags: gc.SizeF | gc.LeftRead | gc.RightWrite | gc.Conv}, 94 s390x.ACDFBRA & obj.AMask: {Flags: gc.SizeD | gc.LeftRead | gc.RightWrite | gc.Conv}, 95 s390x.ACEGBRA & obj.AMask: {Flags: gc.SizeF | gc.LeftRead | gc.RightWrite | gc.Conv}, 96 s390x.ACDGBRA & obj.AMask: {Flags: gc.SizeD | gc.LeftRead | gc.RightWrite | gc.Conv}, 97 s390x.ACFEBRA & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.RightWrite | gc.Conv}, 98 s390x.ACFDBRA & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.RightWrite | gc.Conv}, 99 s390x.ACGEBRA & obj.AMask: {Flags: gc.SizeQ | gc.LeftRead | gc.RightWrite | gc.Conv}, 100 s390x.ACGDBRA & obj.AMask: {Flags: gc.SizeQ | gc.LeftRead | gc.RightWrite | gc.Conv}, 101 s390x.ACELFBR & obj.AMask: {Flags: gc.SizeF | gc.LeftRead | gc.RightWrite | gc.Conv}, 102 s390x.ACDLFBR & obj.AMask: {Flags: gc.SizeD | gc.LeftRead | gc.RightWrite | gc.Conv}, 103 s390x.ACELGBR & obj.AMask: {Flags: gc.SizeF | gc.LeftRead | gc.RightWrite | gc.Conv}, 104 s390x.ACDLGBR & obj.AMask: {Flags: gc.SizeD | gc.LeftRead | gc.RightWrite | gc.Conv}, 105 s390x.ACLFEBR & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.RightWrite | gc.Conv}, 106 s390x.ACLFDBR & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.RightWrite | gc.Conv}, 107 s390x.ACLGEBR & obj.AMask: {Flags: gc.SizeQ | gc.LeftRead | gc.RightWrite | gc.Conv}, 108 s390x.ACLGDBR & obj.AMask: {Flags: gc.SizeQ | gc.LeftRead | gc.RightWrite | gc.Conv}, 109 110 // Moves 111 s390x.AMOVB & obj.AMask: {Flags: gc.SizeB | gc.LeftRead | gc.RightWrite | gc.Move | gc.Conv}, 112 s390x.AMOVBZ & obj.AMask: {Flags: gc.SizeB | gc.LeftRead | gc.RightWrite | gc.Move | gc.Conv}, 113 s390x.AMOVH & obj.AMask: {Flags: gc.SizeW | gc.LeftRead | gc.RightWrite | gc.Move | gc.Conv}, 114 s390x.AMOVHZ & obj.AMask: {Flags: gc.SizeW | gc.LeftRead | gc.RightWrite | gc.Move | gc.Conv}, 115 s390x.AMOVW & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.RightWrite | gc.Move | gc.Conv}, 116 s390x.AMOVWZ & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.RightWrite | gc.Move | gc.Conv}, 117 s390x.AMOVD & obj.AMask: {Flags: gc.SizeQ | gc.LeftRead | gc.RightWrite | gc.Move}, 118 s390x.AMOVHBR & obj.AMask: {Flags: gc.SizeW | gc.LeftRead | gc.RightWrite | gc.Move | gc.Conv}, 119 s390x.AMOVWBR & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.RightWrite | gc.Move | gc.Conv}, 120 s390x.AMOVDBR & obj.AMask: {Flags: gc.SizeQ | gc.LeftRead | gc.RightWrite | gc.Move}, 121 s390x.AFMOVS & obj.AMask: {Flags: gc.SizeF | gc.LeftRead | gc.RightWrite | gc.Move | gc.Conv}, 122 s390x.AFMOVD & obj.AMask: {Flags: gc.SizeD | gc.LeftRead | gc.RightWrite | gc.Move}, 123 s390x.AMOVDEQ & obj.AMask: {Flags: gc.SizeQ | gc.LeftRead | gc.RightWrite | gc.Move}, 124 s390x.AMOVDGE & obj.AMask: {Flags: gc.SizeQ | gc.LeftRead | gc.RightWrite | gc.Move}, 125 s390x.AMOVDGT & obj.AMask: {Flags: gc.SizeQ | gc.LeftRead | gc.RightWrite | gc.Move}, 126 s390x.AMOVDLE & obj.AMask: {Flags: gc.SizeQ | gc.LeftRead | gc.RightWrite | gc.Move}, 127 s390x.AMOVDLT & obj.AMask: {Flags: gc.SizeQ | gc.LeftRead | gc.RightWrite | gc.Move}, 128 s390x.AMOVDNE & obj.AMask: {Flags: gc.SizeQ | gc.LeftRead | gc.RightWrite | gc.Move}, 129 130 // Storage operations 131 s390x.AMVC & obj.AMask: {Flags: gc.LeftRead | gc.LeftAddr | gc.RightWrite | gc.RightAddr}, 132 s390x.ACLC & obj.AMask: {Flags: gc.LeftRead | gc.LeftAddr | gc.RightRead | gc.RightAddr}, 133 s390x.AXC & obj.AMask: {Flags: gc.LeftRead | gc.LeftAddr | gc.RightWrite | gc.RightAddr}, 134 s390x.AOC & obj.AMask: {Flags: gc.LeftRead | gc.LeftAddr | gc.RightWrite | gc.RightAddr}, 135 s390x.ANC & obj.AMask: {Flags: gc.LeftRead | gc.LeftAddr | gc.RightWrite | gc.RightAddr}, 136 137 // Jumps 138 s390x.ABR & obj.AMask: {Flags: gc.Jump | gc.Break}, 139 s390x.ABL & obj.AMask: {Flags: gc.Call}, 140 s390x.ABEQ & obj.AMask: {Flags: gc.Cjmp}, 141 s390x.ABNE & obj.AMask: {Flags: gc.Cjmp}, 142 s390x.ABGE & obj.AMask: {Flags: gc.Cjmp}, 143 s390x.ABLT & obj.AMask: {Flags: gc.Cjmp}, 144 s390x.ABGT & obj.AMask: {Flags: gc.Cjmp}, 145 s390x.ABLE & obj.AMask: {Flags: gc.Cjmp}, 146 s390x.ABLEU & obj.AMask: {Flags: gc.Cjmp}, 147 s390x.ABLTU & obj.AMask: {Flags: gc.Cjmp}, 148 s390x.ACMPBEQ & obj.AMask: {Flags: gc.Cjmp}, 149 s390x.ACMPBNE & obj.AMask: {Flags: gc.Cjmp}, 150 s390x.ACMPBGE & obj.AMask: {Flags: gc.Cjmp}, 151 s390x.ACMPBLT & obj.AMask: {Flags: gc.Cjmp}, 152 s390x.ACMPBGT & obj.AMask: {Flags: gc.Cjmp}, 153 s390x.ACMPBLE & obj.AMask: {Flags: gc.Cjmp}, 154 s390x.ACMPUBEQ & obj.AMask: {Flags: gc.Cjmp}, 155 s390x.ACMPUBNE & obj.AMask: {Flags: gc.Cjmp}, 156 s390x.ACMPUBGE & obj.AMask: {Flags: gc.Cjmp}, 157 s390x.ACMPUBLT & obj.AMask: {Flags: gc.Cjmp}, 158 s390x.ACMPUBGT & obj.AMask: {Flags: gc.Cjmp}, 159 s390x.ACMPUBLE & obj.AMask: {Flags: gc.Cjmp}, 160 161 // Atomic 162 s390x.ACS & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.LeftWrite | gc.RegRead | gc.RightRead | gc.RightWrite}, 163 s390x.ACSG & obj.AMask: {Flags: gc.SizeQ | gc.LeftRead | gc.LeftWrite | gc.RegRead | gc.RightRead | gc.RightWrite}, 164 s390x.ALAA & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.RightRead | gc.RightWrite}, 165 s390x.ALAAG & obj.AMask: {Flags: gc.SizeQ | gc.LeftRead | gc.RightRead | gc.RightWrite}, 166 167 // Macros 168 s390x.ACLEAR & obj.AMask: {Flags: gc.SizeQ | gc.LeftRead | gc.RightAddr | gc.RightWrite}, 169 170 // Load/store multiple 171 s390x.ASTMG & obj.AMask: {Flags: gc.SizeQ | gc.LeftRead | gc.RightAddr | gc.RightWrite}, 172 s390x.ASTMY & obj.AMask: {Flags: gc.SizeL | gc.LeftRead | gc.RightAddr | gc.RightWrite}, 173 s390x.ALMG & obj.AMask: {Flags: gc.SizeQ | gc.LeftAddr | gc.LeftRead | gc.RightWrite}, 174 s390x.ALMY & obj.AMask: {Flags: gc.SizeL | gc.LeftAddr | gc.LeftRead | gc.RightWrite}, 175 176 obj.ARET & obj.AMask: {Flags: gc.Break}, 177 } 178 179 func proginfo(p *obj.Prog) gc.ProgInfo { 180 info := progtable[p.As&obj.AMask] 181 if info.Flags == 0 { 182 gc.Fatalf("proginfo: unknown instruction %v", p) 183 } 184 185 if (info.Flags&gc.RegRead != 0) && p.Reg == 0 { 186 info.Flags &^= gc.RegRead 187 info.Flags |= gc.RightRead /*CanRegRead |*/ 188 } 189 190 if p.From.Type == obj.TYPE_ADDR && p.From.Sym != nil && (info.Flags&gc.LeftRead != 0) { 191 info.Flags &^= gc.LeftRead 192 info.Flags |= gc.LeftAddr 193 } 194 195 return info 196 }