Jakob Stoklund Olesen | c1d1a48 | 2013-04-02 04:09:12 +0000 | [diff] [blame] | 1 | //===-- SparcInstr64Bit.td - 64-bit instructions for Sparc Target ---------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // This file contains instruction definitions and patterns needed for 64-bit |
| 11 | // code generation on SPARC v9. |
| 12 | // |
| 13 | // Some SPARC v9 instructions are defined in SparcInstrInfo.td because they can |
| 14 | // also be used in 32-bit code running on a SPARC v9 CPU. |
| 15 | // |
| 16 | //===----------------------------------------------------------------------===// |
| 17 | |
| 18 | let Predicates = [Is64Bit] in { |
| 19 | // The same integer registers are used for i32 and i64 values. |
| 20 | // When registers hold i32 values, the high bits are don't care. |
| 21 | // This give us free trunc and anyext. |
Jakob Stoklund Olesen | 8cfaffa | 2013-04-04 03:08:00 +0000 | [diff] [blame] | 22 | def : Pat<(i64 (anyext i32:$val)), (COPY_TO_REGCLASS $val, I64Regs)>; |
| 23 | def : Pat<(i32 (trunc i64:$val)), (COPY_TO_REGCLASS $val, IntRegs)>; |
Jakob Stoklund Olesen | c1d1a48 | 2013-04-02 04:09:12 +0000 | [diff] [blame] | 24 | |
| 25 | } // Predicates = [Is64Bit] |
| 26 | |
| 27 | |
| 28 | //===----------------------------------------------------------------------===// |
| 29 | // 64-bit Shift Instructions. |
| 30 | //===----------------------------------------------------------------------===// |
| 31 | // |
| 32 | // The 32-bit shift instructions are still available. The left shift srl |
| 33 | // instructions shift all 64 bits, but it only accepts a 5-bit shift amount. |
| 34 | // |
| 35 | // The srl instructions only shift the low 32 bits and clear the high 32 bits. |
| 36 | // Finally, sra shifts the low 32 bits and sign-extends to 64 bits. |
| 37 | |
| 38 | let Predicates = [Is64Bit] in { |
| 39 | |
| 40 | def : Pat<(i64 (zext i32:$val)), (SRLri $val, 0)>; |
| 41 | def : Pat<(i64 (sext i32:$val)), (SRAri $val, 0)>; |
| 42 | |
Jakob Stoklund Olesen | edaf66b | 2013-04-06 23:57:33 +0000 | [diff] [blame] | 43 | def : Pat<(i64 (and i64:$val, 0xffffffff)), (SRLri $val, 0)>; |
| 44 | def : Pat<(i64 (sext_inreg i64:$val, i32)), (SRAri $val, 0)>; |
| 45 | |
Jakob Stoklund Olesen | c1d1a48 | 2013-04-02 04:09:12 +0000 | [diff] [blame] | 46 | defm SLLX : F3_S<"sllx", 0b100101, 1, shl, i64, I64Regs>; |
| 47 | defm SRLX : F3_S<"srlx", 0b100110, 1, srl, i64, I64Regs>; |
| 48 | defm SRAX : F3_S<"srax", 0b100111, 1, sra, i64, I64Regs>; |
| 49 | |
| 50 | } // Predicates = [Is64Bit] |
Jakob Stoklund Olesen | bddb20e | 2013-04-02 04:09:17 +0000 | [diff] [blame] | 51 | |
| 52 | |
| 53 | //===----------------------------------------------------------------------===// |
| 54 | // 64-bit Immediates. |
| 55 | //===----------------------------------------------------------------------===// |
| 56 | // |
| 57 | // All 32-bit immediates can be materialized with sethi+or, but 64-bit |
| 58 | // immediates may require more code. There may be a point where it is |
| 59 | // preferable to use a constant pool load instead, depending on the |
| 60 | // microarchitecture. |
| 61 | |
Jakob Stoklund Olesen | bddb20e | 2013-04-02 04:09:17 +0000 | [diff] [blame] | 62 | // Single-instruction patterns. |
| 63 | |
| 64 | // The ALU instructions want their simm13 operands as i32 immediates. |
| 65 | def as_i32imm : SDNodeXForm<imm, [{ |
| 66 | return CurDAG->getTargetConstant(N->getSExtValue(), MVT::i32); |
| 67 | }]>; |
| 68 | def : Pat<(i64 simm13:$val), (ORri (i64 G0), (as_i32imm $val))>; |
| 69 | def : Pat<(i64 SETHIimm:$val), (SETHIi (HI22 $val))>; |
| 70 | |
| 71 | // Double-instruction patterns. |
| 72 | |
| 73 | // All unsigned i32 immediates can be handled by sethi+or. |
| 74 | def uimm32 : PatLeaf<(imm), [{ return isUInt<32>(N->getZExtValue()); }]>; |
| 75 | def : Pat<(i64 uimm32:$val), (ORri (SETHIi (HI22 $val)), (LO10 $val))>, |
| 76 | Requires<[Is64Bit]>; |
| 77 | |
| 78 | // All negative i33 immediates can be handled by sethi+xor. |
| 79 | def nimm33 : PatLeaf<(imm), [{ |
| 80 | int64_t Imm = N->getSExtValue(); |
| 81 | return Imm < 0 && isInt<33>(Imm); |
| 82 | }]>; |
| 83 | // Bits 10-31 inverted. Same as assembler's %hix. |
| 84 | def HIX22 : SDNodeXForm<imm, [{ |
| 85 | uint64_t Val = (~N->getZExtValue() >> 10) & ((1u << 22) - 1); |
| 86 | return CurDAG->getTargetConstant(Val, MVT::i32); |
| 87 | }]>; |
| 88 | // Bits 0-9 with ones in bits 10-31. Same as assembler's %lox. |
| 89 | def LOX10 : SDNodeXForm<imm, [{ |
| 90 | return CurDAG->getTargetConstant(~(~N->getZExtValue() & 0x3ff), MVT::i32); |
| 91 | }]>; |
| 92 | def : Pat<(i64 nimm33:$val), (XORri (SETHIi (HIX22 $val)), (LOX10 $val))>, |
| 93 | Requires<[Is64Bit]>; |
| 94 | |
| 95 | // More possible patterns: |
| 96 | // |
| 97 | // (sllx sethi, n) |
| 98 | // (sllx simm13, n) |
| 99 | // |
| 100 | // 3 instrs: |
| 101 | // |
| 102 | // (xor (sllx sethi), simm13) |
| 103 | // (sllx (xor sethi, simm13)) |
| 104 | // |
| 105 | // 4 instrs: |
| 106 | // |
| 107 | // (or sethi, (sllx sethi)) |
| 108 | // (xnor sethi, (sllx sethi)) |
| 109 | // |
| 110 | // 5 instrs: |
| 111 | // |
| 112 | // (or (sllx sethi), (or sethi, simm13)) |
| 113 | // (xnor (sllx sethi), (or sethi, simm13)) |
| 114 | // (or (sllx sethi), (sllx sethi)) |
| 115 | // (xnor (sllx sethi), (sllx sethi)) |
| 116 | // |
| 117 | // Worst case is 6 instrs: |
| 118 | // |
| 119 | // (or (sllx (or sethi, simmm13)), (or sethi, simm13)) |
| 120 | |
| 121 | // Bits 42-63, same as assembler's %hh. |
| 122 | def HH22 : SDNodeXForm<imm, [{ |
| 123 | uint64_t Val = (N->getZExtValue() >> 42) & ((1u << 22) - 1); |
| 124 | return CurDAG->getTargetConstant(Val, MVT::i32); |
| 125 | }]>; |
| 126 | // Bits 32-41, same as assembler's %hm. |
| 127 | def HM10 : SDNodeXForm<imm, [{ |
| 128 | uint64_t Val = (N->getZExtValue() >> 32) & ((1u << 10) - 1); |
| 129 | return CurDAG->getTargetConstant(Val, MVT::i32); |
| 130 | }]>; |
| 131 | def : Pat<(i64 imm:$val), |
Jakob Stoklund Olesen | eed1072 | 2013-04-14 05:48:50 +0000 | [diff] [blame] | 132 | (ORrr (SLLXri (ORri (SETHIi (HH22 $val)), (HM10 $val)), (i32 32)), |
Jakob Stoklund Olesen | bddb20e | 2013-04-02 04:09:17 +0000 | [diff] [blame] | 133 | (ORri (SETHIi (HI22 $val)), (LO10 $val)))>, |
| 134 | Requires<[Is64Bit]>; |
Jakob Stoklund Olesen | 917e07f | 2013-04-02 04:09:23 +0000 | [diff] [blame] | 135 | |
| 136 | |
| 137 | //===----------------------------------------------------------------------===// |
| 138 | // 64-bit Integer Arithmetic and Logic. |
| 139 | //===----------------------------------------------------------------------===// |
| 140 | |
| 141 | let Predicates = [Is64Bit] in { |
| 142 | |
| 143 | // Register-register instructions. |
Venkatraman Govindaraju | dfcccc7 | 2014-01-06 08:08:58 +0000 | [diff] [blame] | 144 | let isCodeGenOnly = 1 in { |
Venkatraman Govindaraju | 3e3a29a | 2013-12-29 07:15:09 +0000 | [diff] [blame] | 145 | defm ANDX : F3_12<"and", 0b000001, and, I64Regs, i64, i64imm>; |
| 146 | defm ORX : F3_12<"or", 0b000010, or, I64Regs, i64, i64imm>; |
| 147 | defm XORX : F3_12<"xor", 0b000011, xor, I64Regs, i64, i64imm>; |
Jakob Stoklund Olesen | 917e07f | 2013-04-02 04:09:23 +0000 | [diff] [blame] | 148 | |
Venkatraman Govindaraju | 3e3a29a | 2013-12-29 07:15:09 +0000 | [diff] [blame] | 149 | def ANDXNrr : F3_1<2, 0b000101, |
| 150 | (outs I64Regs:$dst), (ins I64Regs:$b, I64Regs:$c), |
| 151 | "andn $b, $c, $dst", |
| 152 | [(set i64:$dst, (and i64:$b, (not i64:$c)))]>; |
| 153 | def ORXNrr : F3_1<2, 0b000110, |
| 154 | (outs I64Regs:$dst), (ins I64Regs:$b, I64Regs:$c), |
| 155 | "orn $b, $c, $dst", |
| 156 | [(set i64:$dst, (or i64:$b, (not i64:$c)))]>; |
| 157 | def XNORXrr : F3_1<2, 0b000111, |
| 158 | (outs I64Regs:$dst), (ins I64Regs:$b, I64Regs:$c), |
| 159 | "xnor $b, $c, $dst", |
| 160 | [(set i64:$dst, (not (xor i64:$b, i64:$c)))]>; |
Jakob Stoklund Olesen | 917e07f | 2013-04-02 04:09:23 +0000 | [diff] [blame] | 161 | |
Venkatraman Govindaraju | 3e3a29a | 2013-12-29 07:15:09 +0000 | [diff] [blame] | 162 | defm ADDX : F3_12<"add", 0b000000, add, I64Regs, i64, i64imm>; |
| 163 | defm SUBX : F3_12<"sub", 0b000100, sub, I64Regs, i64, i64imm>; |
Jakob Stoklund Olesen | 917e07f | 2013-04-02 04:09:23 +0000 | [diff] [blame] | 164 | |
Venkatraman Govindaraju | 3e3a29a | 2013-12-29 07:15:09 +0000 | [diff] [blame] | 165 | def TLS_ADDXrr : F3_1<2, 0b000000, (outs I64Regs:$rd), |
| 166 | (ins I64Regs:$rs1, I64Regs:$rs2, TLSSym:$sym), |
| 167 | "add $rs1, $rs2, $rd, $sym", |
| 168 | [(set i64:$rd, |
| 169 | (tlsadd i64:$rs1, i64:$rs2, tglobaltlsaddr:$sym))]>; |
Venkatraman Govindaraju | cb1dca6 | 2013-09-22 06:48:52 +0000 | [diff] [blame] | 170 | |
Venkatraman Govindaraju | 9c33850 | 2013-11-24 20:07:35 +0000 | [diff] [blame] | 171 | // "LEA" form of add |
| 172 | def LEAX_ADDri : F3_2<2, 0b000000, |
| 173 | (outs I64Regs:$dst), (ins MEMri:$addr), |
| 174 | "add ${addr:arith}, $dst", |
| 175 | [(set iPTR:$dst, ADDRri:$addr)]>; |
Venkatraman Govindaraju | dfcccc7 | 2014-01-06 08:08:58 +0000 | [diff] [blame] | 176 | } |
| 177 | |
| 178 | def : Pat<(SPcmpicc i64:$a, i64:$b), (CMPrr $a, $b)>; |
| 179 | def : Pat<(SPcmpicc i64:$a, (i64 simm13:$b)), (CMPri $a, (as_i32imm $b))>; |
| 180 | def : Pat<(ctpop i64:$src), (POPCrr $src)>; |
| 181 | |
Jakob Stoklund Olesen | 917e07f | 2013-04-02 04:09:23 +0000 | [diff] [blame] | 182 | } // Predicates = [Is64Bit] |
Jakob Stoklund Olesen | 8eabc3f | 2013-04-02 04:09:28 +0000 | [diff] [blame] | 183 | |
| 184 | |
| 185 | //===----------------------------------------------------------------------===// |
Jakob Stoklund Olesen | 73d1739 | 2013-04-16 02:57:02 +0000 | [diff] [blame] | 186 | // 64-bit Integer Multiply and Divide. |
| 187 | //===----------------------------------------------------------------------===// |
| 188 | |
| 189 | let Predicates = [Is64Bit] in { |
| 190 | |
| 191 | def MULXrr : F3_1<2, 0b001001, |
| 192 | (outs I64Regs:$rd), (ins I64Regs:$rs1, I64Regs:$rs2), |
| 193 | "mulx $rs1, $rs2, $rd", |
| 194 | [(set i64:$rd, (mul i64:$rs1, i64:$rs2))]>; |
| 195 | def MULXri : F3_2<2, 0b001001, |
Venkatraman Govindaraju | b7c6965 | 2014-01-08 07:47:57 +0000 | [diff] [blame] | 196 | (outs IntRegs:$rd), (ins IntRegs:$rs1, i64imm:$simm13), |
| 197 | "mulx $rs1, $simm13, $rd", |
| 198 | [(set i64:$rd, (mul i64:$rs1, (i64 simm13:$simm13)))]>; |
Jakob Stoklund Olesen | 73d1739 | 2013-04-16 02:57:02 +0000 | [diff] [blame] | 199 | |
| 200 | // Division can trap. |
| 201 | let hasSideEffects = 1 in { |
| 202 | def SDIVXrr : F3_1<2, 0b101101, |
| 203 | (outs I64Regs:$rd), (ins I64Regs:$rs1, I64Regs:$rs2), |
| 204 | "sdivx $rs1, $rs2, $rd", |
| 205 | [(set i64:$rd, (sdiv i64:$rs1, i64:$rs2))]>; |
| 206 | def SDIVXri : F3_2<2, 0b101101, |
Venkatraman Govindaraju | b7c6965 | 2014-01-08 07:47:57 +0000 | [diff] [blame] | 207 | (outs IntRegs:$rd), (ins IntRegs:$rs1, i64imm:$simm13), |
| 208 | "sdivx $rs1, $simm13, $rd", |
| 209 | [(set i64:$rd, (sdiv i64:$rs1, (i64 simm13:$simm13)))]>; |
Jakob Stoklund Olesen | 73d1739 | 2013-04-16 02:57:02 +0000 | [diff] [blame] | 210 | |
| 211 | def UDIVXrr : F3_1<2, 0b001101, |
| 212 | (outs I64Regs:$rd), (ins I64Regs:$rs1, I64Regs:$rs2), |
| 213 | "udivx $rs1, $rs2, $rd", |
| 214 | [(set i64:$rd, (udiv i64:$rs1, i64:$rs2))]>; |
| 215 | def UDIVXri : F3_2<2, 0b001101, |
Venkatraman Govindaraju | b7c6965 | 2014-01-08 07:47:57 +0000 | [diff] [blame] | 216 | (outs IntRegs:$rd), (ins IntRegs:$rs1, i64imm:$simm13), |
| 217 | "udivx $rs1, $simm13, $rd", |
| 218 | [(set i64:$rd, (udiv i64:$rs1, (i64 simm13:$simm13)))]>; |
Jakob Stoklund Olesen | 73d1739 | 2013-04-16 02:57:02 +0000 | [diff] [blame] | 219 | } // hasSideEffects = 1 |
| 220 | |
| 221 | } // Predicates = [Is64Bit] |
| 222 | |
| 223 | |
| 224 | //===----------------------------------------------------------------------===// |
Jakob Stoklund Olesen | 8eabc3f | 2013-04-02 04:09:28 +0000 | [diff] [blame] | 225 | // 64-bit Loads and Stores. |
| 226 | //===----------------------------------------------------------------------===// |
| 227 | // |
| 228 | // All the 32-bit loads and stores are available. The extending loads are sign |
| 229 | // or zero-extending to 64 bits. The LDrr and LDri instructions load 32 bits |
| 230 | // zero-extended to i64. Their mnemonic is lduw in SPARC v9 (Load Unsigned |
| 231 | // Word). |
| 232 | // |
| 233 | // SPARC v9 adds 64-bit loads as well as a sign-extending ldsw i32 loads. |
| 234 | |
| 235 | let Predicates = [Is64Bit] in { |
| 236 | |
| 237 | // 64-bit loads. |
Venkatraman Govindaraju | 6ff62cc | 2014-01-09 21:49:18 +0000 | [diff] [blame] | 238 | defm LDX : Load<"ldx", 0b001011, load, I64Regs, i64>; |
| 239 | |
Venkatraman Govindaraju | dfcccc7 | 2014-01-06 08:08:58 +0000 | [diff] [blame] | 240 | let mayLoad = 1, isCodeGenOnly = 1, isAsmParserOnly = 1 in |
Venkatraman Govindaraju | cb1dca6 | 2013-09-22 06:48:52 +0000 | [diff] [blame] | 241 | def TLS_LDXrr : F3_1<3, 0b001011, |
| 242 | (outs IntRegs:$dst), (ins MEMrr:$addr, TLSSym:$sym), |
| 243 | "ldx [$addr], $dst, $sym", |
| 244 | [(set i64:$dst, |
| 245 | (tlsld ADDRrr:$addr, tglobaltlsaddr:$sym))]>; |
Jakob Stoklund Olesen | 8eabc3f | 2013-04-02 04:09:28 +0000 | [diff] [blame] | 246 | |
| 247 | // Extending loads to i64. |
Jakob Stoklund Olesen | 9f812b9 | 2013-06-07 22:55:05 +0000 | [diff] [blame] | 248 | def : Pat<(i64 (zextloadi1 ADDRrr:$addr)), (LDUBrr ADDRrr:$addr)>; |
| 249 | def : Pat<(i64 (zextloadi1 ADDRri:$addr)), (LDUBri ADDRri:$addr)>; |
Jakob Stoklund Olesen | fdc9d0a | 2013-06-07 22:59:29 +0000 | [diff] [blame] | 250 | def : Pat<(i64 (extloadi1 ADDRrr:$addr)), (LDUBrr ADDRrr:$addr)>; |
| 251 | def : Pat<(i64 (extloadi1 ADDRri:$addr)), (LDUBri ADDRri:$addr)>; |
Jakob Stoklund Olesen | 9f812b9 | 2013-06-07 22:55:05 +0000 | [diff] [blame] | 252 | |
Jakob Stoklund Olesen | 8eabc3f | 2013-04-02 04:09:28 +0000 | [diff] [blame] | 253 | def : Pat<(i64 (zextloadi8 ADDRrr:$addr)), (LDUBrr ADDRrr:$addr)>; |
| 254 | def : Pat<(i64 (zextloadi8 ADDRri:$addr)), (LDUBri ADDRri:$addr)>; |
Jakob Stoklund Olesen | edaf66b | 2013-04-06 23:57:33 +0000 | [diff] [blame] | 255 | def : Pat<(i64 (extloadi8 ADDRrr:$addr)), (LDUBrr ADDRrr:$addr)>; |
| 256 | def : Pat<(i64 (extloadi8 ADDRri:$addr)), (LDUBri ADDRri:$addr)>; |
Jakob Stoklund Olesen | 8eabc3f | 2013-04-02 04:09:28 +0000 | [diff] [blame] | 257 | def : Pat<(i64 (sextloadi8 ADDRrr:$addr)), (LDSBrr ADDRrr:$addr)>; |
| 258 | def : Pat<(i64 (sextloadi8 ADDRri:$addr)), (LDSBri ADDRri:$addr)>; |
| 259 | |
| 260 | def : Pat<(i64 (zextloadi16 ADDRrr:$addr)), (LDUHrr ADDRrr:$addr)>; |
| 261 | def : Pat<(i64 (zextloadi16 ADDRri:$addr)), (LDUHri ADDRri:$addr)>; |
Jakob Stoklund Olesen | edaf66b | 2013-04-06 23:57:33 +0000 | [diff] [blame] | 262 | def : Pat<(i64 (extloadi16 ADDRrr:$addr)), (LDUHrr ADDRrr:$addr)>; |
| 263 | def : Pat<(i64 (extloadi16 ADDRri:$addr)), (LDUHri ADDRri:$addr)>; |
Jakob Stoklund Olesen | 8eabc3f | 2013-04-02 04:09:28 +0000 | [diff] [blame] | 264 | def : Pat<(i64 (sextloadi16 ADDRrr:$addr)), (LDSHrr ADDRrr:$addr)>; |
| 265 | def : Pat<(i64 (sextloadi16 ADDRri:$addr)), (LDSHri ADDRri:$addr)>; |
| 266 | |
| 267 | def : Pat<(i64 (zextloadi32 ADDRrr:$addr)), (LDrr ADDRrr:$addr)>; |
| 268 | def : Pat<(i64 (zextloadi32 ADDRri:$addr)), (LDri ADDRri:$addr)>; |
Jakob Stoklund Olesen | edaf66b | 2013-04-06 23:57:33 +0000 | [diff] [blame] | 269 | def : Pat<(i64 (extloadi32 ADDRrr:$addr)), (LDrr ADDRrr:$addr)>; |
| 270 | def : Pat<(i64 (extloadi32 ADDRri:$addr)), (LDri ADDRri:$addr)>; |
Jakob Stoklund Olesen | 8eabc3f | 2013-04-02 04:09:28 +0000 | [diff] [blame] | 271 | |
| 272 | // Sign-extending load of i32 into i64 is a new SPARC v9 instruction. |
Venkatraman Govindaraju | 6ff62cc | 2014-01-09 21:49:18 +0000 | [diff] [blame] | 273 | defm LDSW : Load<"ldsw", 0b001000, sextloadi32, I64Regs, i64>; |
Jakob Stoklund Olesen | 8eabc3f | 2013-04-02 04:09:28 +0000 | [diff] [blame] | 274 | |
| 275 | // 64-bit stores. |
Venkatraman Govindaraju | 6ff62cc | 2014-01-09 21:49:18 +0000 | [diff] [blame] | 276 | defm STX : Store<"stx", 0b001110, store, I64Regs, i64>; |
Jakob Stoklund Olesen | 8eabc3f | 2013-04-02 04:09:28 +0000 | [diff] [blame] | 277 | |
| 278 | // Truncating stores from i64 are identical to the i32 stores. |
| 279 | def : Pat<(truncstorei8 i64:$src, ADDRrr:$addr), (STBrr ADDRrr:$addr, $src)>; |
| 280 | def : Pat<(truncstorei8 i64:$src, ADDRri:$addr), (STBri ADDRri:$addr, $src)>; |
| 281 | def : Pat<(truncstorei16 i64:$src, ADDRrr:$addr), (STHrr ADDRrr:$addr, $src)>; |
| 282 | def : Pat<(truncstorei16 i64:$src, ADDRri:$addr), (STHri ADDRri:$addr, $src)>; |
| 283 | def : Pat<(truncstorei32 i64:$src, ADDRrr:$addr), (STrr ADDRrr:$addr, $src)>; |
| 284 | def : Pat<(truncstorei32 i64:$src, ADDRri:$addr), (STri ADDRri:$addr, $src)>; |
| 285 | |
Venkatraman Govindaraju | 774fe2e2 | 2013-06-03 00:21:54 +0000 | [diff] [blame] | 286 | // store 0, addr -> store %g0, addr |
| 287 | def : Pat<(store (i64 0), ADDRrr:$dst), (STXrr ADDRrr:$dst, (i64 G0))>; |
| 288 | def : Pat<(store (i64 0), ADDRri:$dst), (STXri ADDRri:$dst, (i64 G0))>; |
| 289 | |
Jakob Stoklund Olesen | 8eabc3f | 2013-04-02 04:09:28 +0000 | [diff] [blame] | 290 | } // Predicates = [Is64Bit] |
Jakob Stoklund Olesen | d9bbdfd | 2013-04-03 04:41:44 +0000 | [diff] [blame] | 291 | |
| 292 | |
| 293 | //===----------------------------------------------------------------------===// |
| 294 | // 64-bit Conditionals. |
| 295 | //===----------------------------------------------------------------------===// |
Venkatraman Govindaraju | dfcccc7 | 2014-01-06 08:08:58 +0000 | [diff] [blame] | 296 | |
| 297 | // Conditional branch class on %xcc: |
| 298 | class XBranchSP<dag ins, string asmstr, list<dag> pattern> |
| 299 | : F2_3<0b001, 0b10, (outs), ins, asmstr, pattern> { |
| 300 | let isBranch = 1; |
| 301 | let isTerminator = 1; |
| 302 | let hasDelaySlot = 1; |
| 303 | } |
| 304 | |
Jakob Stoklund Olesen | d9bbdfd | 2013-04-03 04:41:44 +0000 | [diff] [blame] | 305 | // |
| 306 | // Flag-setting instructions like subcc and addcc set both icc and xcc flags. |
| 307 | // The icc flags correspond to the 32-bit result, and the xcc are for the |
| 308 | // full 64-bit result. |
| 309 | // |
| 310 | // We reuse CMPICC SDNodes for compares, but use new BRXCC branch nodes for |
| 311 | // 64-bit compares. See LowerBR_CC. |
| 312 | |
Jakob Stoklund Olesen | 8cfaffa | 2013-04-04 03:08:00 +0000 | [diff] [blame] | 313 | let Predicates = [Is64Bit] in { |
| 314 | |
Jakob Stoklund Olesen | d9bbdfd | 2013-04-03 04:41:44 +0000 | [diff] [blame] | 315 | let Uses = [ICC] in |
Venkatraman Govindaraju | b3b7c38 | 2014-01-08 06:14:52 +0000 | [diff] [blame] | 316 | def BPXCC : XBranchSP<(ins brtarget:$imm19, CCOp:$cond), |
| 317 | "b$cond %xcc, $imm19", |
| 318 | [(SPbrxcc bb:$imm19, imm:$cond)]>; |
Jakob Stoklund Olesen | 8cfaffa | 2013-04-04 03:08:00 +0000 | [diff] [blame] | 319 | |
| 320 | // Conditional moves on %xcc. |
| 321 | let Uses = [ICC], Constraints = "$f = $rd" in { |
Venkatraman Govindaraju | b3b7c38 | 2014-01-08 06:14:52 +0000 | [diff] [blame] | 322 | let cc = 0b110 in { |
| 323 | def MOVXCCrr : F4_1<0b101100, (outs IntRegs:$rd), |
Jakob Stoklund Olesen | 8cfaffa | 2013-04-04 03:08:00 +0000 | [diff] [blame] | 324 | (ins IntRegs:$rs2, IntRegs:$f, CCOp:$cond), |
| 325 | "mov$cond %xcc, $rs2, $rd", |
| 326 | [(set i32:$rd, |
| 327 | (SPselectxcc i32:$rs2, i32:$f, imm:$cond))]>; |
Venkatraman Govindaraju | b3b7c38 | 2014-01-08 06:14:52 +0000 | [diff] [blame] | 328 | def MOVXCCri : F4_2<0b101100, (outs IntRegs:$rd), |
| 329 | (ins i32imm:$simm11, IntRegs:$f, CCOp:$cond), |
| 330 | "mov$cond %xcc, $simm11, $rd", |
Jakob Stoklund Olesen | 8cfaffa | 2013-04-04 03:08:00 +0000 | [diff] [blame] | 331 | [(set i32:$rd, |
Venkatraman Govindaraju | b3b7c38 | 2014-01-08 06:14:52 +0000 | [diff] [blame] | 332 | (SPselectxcc simm11:$simm11, i32:$f, imm:$cond))]>; |
| 333 | } // cc |
| 334 | |
| 335 | let opf_cc = 0b110 in { |
| 336 | def FMOVS_XCC : F4_3<0b110101, 0b000001, (outs FPRegs:$rd), |
Jakob Stoklund Olesen | 7ca944b | 2013-05-19 20:33:11 +0000 | [diff] [blame] | 337 | (ins FPRegs:$rs2, FPRegs:$f, CCOp:$cond), |
| 338 | "fmovs$cond %xcc, $rs2, $rd", |
| 339 | [(set f32:$rd, |
| 340 | (SPselectxcc f32:$rs2, f32:$f, imm:$cond))]>; |
Venkatraman Govindaraju | b3b7c38 | 2014-01-08 06:14:52 +0000 | [diff] [blame] | 341 | def FMOVD_XCC : F4_3<0b110101, 0b000010, (outs DFPRegs:$rd), |
Jakob Stoklund Olesen | 7ca944b | 2013-05-19 20:33:11 +0000 | [diff] [blame] | 342 | (ins DFPRegs:$rs2, DFPRegs:$f, CCOp:$cond), |
| 343 | "fmovd$cond %xcc, $rs2, $rd", |
| 344 | [(set f64:$rd, |
| 345 | (SPselectxcc f64:$rs2, f64:$f, imm:$cond))]>; |
Venkatraman Govindaraju | b3b7c38 | 2014-01-08 06:14:52 +0000 | [diff] [blame] | 346 | def FMOVQ_XCC : F4_3<0b110101, 0b000011, (outs QFPRegs:$rd), |
| 347 | (ins QFPRegs:$rs2, QFPRegs:$f, CCOp:$cond), |
| 348 | "fmovq$cond %xcc, $rs2, $rd", |
| 349 | [(set f128:$rd, |
| 350 | (SPselectxcc f128:$rs2, f128:$f, imm:$cond))]>; |
| 351 | } // opf_cc |
Jakob Stoklund Olesen | 8cfaffa | 2013-04-04 03:08:00 +0000 | [diff] [blame] | 352 | } // Uses, Constraints |
| 353 | |
Venkatraman Govindaraju | 5ae77f7 | 2013-11-03 12:28:40 +0000 | [diff] [blame] | 354 | //===----------------------------------------------------------------------===// |
| 355 | // 64-bit Floating Point Conversions. |
| 356 | //===----------------------------------------------------------------------===// |
| 357 | |
| 358 | let Predicates = [Is64Bit] in { |
| 359 | |
| 360 | def FXTOS : F3_3u<2, 0b110100, 0b010000100, |
Venkatraman Govindaraju | cd4d9ac | 2014-01-12 04:48:54 +0000 | [diff] [blame] | 361 | (outs FPRegs:$rd), (ins DFPRegs:$rs2), |
| 362 | "fxtos $rs2, $rd", |
| 363 | [(set FPRegs:$rd, (SPxtof DFPRegs:$rs2))]>; |
Venkatraman Govindaraju | 5ae77f7 | 2013-11-03 12:28:40 +0000 | [diff] [blame] | 364 | def FXTOD : F3_3u<2, 0b110100, 0b010001000, |
Venkatraman Govindaraju | cd4d9ac | 2014-01-12 04:48:54 +0000 | [diff] [blame] | 365 | (outs DFPRegs:$rd), (ins DFPRegs:$rs2), |
| 366 | "fxtod $rs2, $rd", |
| 367 | [(set DFPRegs:$rd, (SPxtof DFPRegs:$rs2))]>; |
Venkatraman Govindaraju | 5ae77f7 | 2013-11-03 12:28:40 +0000 | [diff] [blame] | 368 | def FXTOQ : F3_3u<2, 0b110100, 0b010001100, |
Venkatraman Govindaraju | cd4d9ac | 2014-01-12 04:48:54 +0000 | [diff] [blame] | 369 | (outs QFPRegs:$rd), (ins DFPRegs:$rs2), |
| 370 | "fxtoq $rs2, $rd", |
| 371 | [(set QFPRegs:$rd, (SPxtof DFPRegs:$rs2))]>, |
Venkatraman Govindaraju | 5ae77f7 | 2013-11-03 12:28:40 +0000 | [diff] [blame] | 372 | Requires<[HasHardQuad]>; |
| 373 | |
| 374 | def FSTOX : F3_3u<2, 0b110100, 0b010000001, |
Venkatraman Govindaraju | cd4d9ac | 2014-01-12 04:48:54 +0000 | [diff] [blame] | 375 | (outs DFPRegs:$rd), (ins FPRegs:$rs2), |
| 376 | "fstox $rs2, $rd", |
| 377 | [(set DFPRegs:$rd, (SPftox FPRegs:$rs2))]>; |
Venkatraman Govindaraju | 5ae77f7 | 2013-11-03 12:28:40 +0000 | [diff] [blame] | 378 | def FDTOX : F3_3u<2, 0b110100, 0b010000010, |
Venkatraman Govindaraju | cd4d9ac | 2014-01-12 04:48:54 +0000 | [diff] [blame] | 379 | (outs DFPRegs:$rd), (ins DFPRegs:$rs2), |
| 380 | "fdtox $rs2, $rd", |
| 381 | [(set DFPRegs:$rd, (SPftox DFPRegs:$rs2))]>; |
Venkatraman Govindaraju | 5ae77f7 | 2013-11-03 12:28:40 +0000 | [diff] [blame] | 382 | def FQTOX : F3_3u<2, 0b110100, 0b010000011, |
Venkatraman Govindaraju | cd4d9ac | 2014-01-12 04:48:54 +0000 | [diff] [blame] | 383 | (outs DFPRegs:$rd), (ins QFPRegs:$rs2), |
| 384 | "fqtox $rs2, $rd", |
| 385 | [(set DFPRegs:$rd, (SPftox QFPRegs:$rs2))]>, |
Venkatraman Govindaraju | 5ae77f7 | 2013-11-03 12:28:40 +0000 | [diff] [blame] | 386 | Requires<[HasHardQuad]>; |
| 387 | |
| 388 | } // Predicates = [Is64Bit] |
| 389 | |
Jakob Stoklund Olesen | 8cfaffa | 2013-04-04 03:08:00 +0000 | [diff] [blame] | 390 | def : Pat<(SPselectxcc i64:$t, i64:$f, imm:$cond), |
| 391 | (MOVXCCrr $t, $f, imm:$cond)>; |
| 392 | def : Pat<(SPselectxcc (i64 simm11:$t), i64:$f, imm:$cond), |
| 393 | (MOVXCCri (as_i32imm $t), $f, imm:$cond)>; |
| 394 | |
Jakob Stoklund Olesen | 92ebf11 | 2013-05-19 20:38:21 +0000 | [diff] [blame] | 395 | def : Pat<(SPselecticc i64:$t, i64:$f, imm:$cond), |
| 396 | (MOVICCrr $t, $f, imm:$cond)>; |
| 397 | def : Pat<(SPselecticc (i64 simm11:$t), i64:$f, imm:$cond), |
| 398 | (MOVICCri (as_i32imm $t), $f, imm:$cond)>; |
| 399 | |
Jakob Stoklund Olesen | 4a78c86 | 2013-05-19 20:20:54 +0000 | [diff] [blame] | 400 | def : Pat<(SPselectfcc i64:$t, i64:$f, imm:$cond), |
| 401 | (MOVFCCrr $t, $f, imm:$cond)>; |
| 402 | def : Pat<(SPselectfcc (i64 simm11:$t), i64:$f, imm:$cond), |
| 403 | (MOVFCCri (as_i32imm $t), $f, imm:$cond)>; |
| 404 | |
Jakob Stoklund Olesen | 8cfaffa | 2013-04-04 03:08:00 +0000 | [diff] [blame] | 405 | } // Predicates = [Is64Bit] |
Venkatraman Govindaraju | 3e3a29a | 2013-12-29 07:15:09 +0000 | [diff] [blame] | 406 | |
| 407 | |
| 408 | // 64 bit SETHI |
Venkatraman Govindaraju | dfcccc7 | 2014-01-06 08:08:58 +0000 | [diff] [blame] | 409 | let Predicates = [Is64Bit], isCodeGenOnly = 1 in { |
Venkatraman Govindaraju | 3e3a29a | 2013-12-29 07:15:09 +0000 | [diff] [blame] | 410 | def SETHIXi : F2_1<0b100, |
| 411 | (outs IntRegs:$rd), (ins i64imm:$imm22), |
| 412 | "sethi $imm22, $rd", |
| 413 | [(set i64:$rd, SETHIimm:$imm22)]>; |
| 414 | } |
Venkatraman Govindaraju | 9a3da52 | 2014-01-01 22:11:54 +0000 | [diff] [blame] | 415 | |
| 416 | // ATOMICS. |
| 417 | let Predicates = [Is64Bit], Constraints = "$swap = $rd" in { |
| 418 | def CASXrr: F3_1<3, 0b111110, |
| 419 | (outs I64Regs:$rd), (ins I64Regs:$rs1, I64Regs:$rs2, |
| 420 | I64Regs:$swap), |
| 421 | "casx [$rs1], $rs2, $rd", |
| 422 | [(set i64:$rd, |
| 423 | (atomic_cmp_swap i64:$rs1, i64:$rs2, i64:$swap))]>; |
| 424 | |
| 425 | } // Predicates = [Is64Bit], Constraints = ... |
| 426 | |
| 427 | let Predicates = [Is64Bit] in { |
| 428 | |
| 429 | def : Pat<(atomic_fence imm, imm), (MEMBARi 0xf)>; |
| 430 | |
| 431 | // atomic_load_64 addr -> load addr |
| 432 | def : Pat<(i64 (atomic_load ADDRrr:$src)), (LDXrr ADDRrr:$src)>; |
| 433 | def : Pat<(i64 (atomic_load ADDRri:$src)), (LDXri ADDRri:$src)>; |
| 434 | |
| 435 | // atomic_store_64 val, addr -> store val, addr |
| 436 | def : Pat<(atomic_store ADDRrr:$dst, i64:$val), (STXrr ADDRrr:$dst, $val)>; |
| 437 | def : Pat<(atomic_store ADDRri:$dst, i64:$val), (STXri ADDRri:$dst, $val)>; |
| 438 | |
| 439 | } // Predicates = [Is64Bit] |
| 440 | |
Jakob Stoklund Olesen | 05ae2d6 | 2014-01-24 06:23:31 +0000 | [diff] [blame^] | 441 | let usesCustomInserter = 1, hasCtrlDep = 1, mayLoad = 1, mayStore = 1, |
| 442 | Defs = [ICC] in |
| 443 | multiclass AtomicRMW<SDPatternOperator op32, SDPatternOperator op64> { |
| 444 | |
| 445 | def _32 : Pseudo<(outs IntRegs:$rd), |
| 446 | (ins ptr_rc:$addr, IntRegs:$rs2), "", |
| 447 | [(set i32:$rd, (op32 iPTR:$addr, i32:$rs2))]>; |
| 448 | |
| 449 | let Predicates = [Is64Bit] in |
| 450 | def _64 : Pseudo<(outs I64Regs:$rd), |
| 451 | (ins ptr_rc:$addr, I64Regs:$rs2), "", |
| 452 | [(set i64:$rd, (op64 iPTR:$addr, i64:$rs2))]>; |
| 453 | } |
| 454 | |
| 455 | defm ATOMIC_LOAD_ADD : AtomicRMW<atomic_load_add_32, atomic_load_add_64>; |
| 456 | defm ATOMIC_LOAD_SUB : AtomicRMW<atomic_load_sub_32, atomic_load_sub_64>; |
| 457 | defm ATOMIC_LOAD_AND : AtomicRMW<atomic_load_and_32, atomic_load_and_64>; |
| 458 | defm ATOMIC_LOAD_OR : AtomicRMW<atomic_load_or_32, atomic_load_or_64>; |
| 459 | defm ATOMIC_LOAD_XOR : AtomicRMW<atomic_load_xor_32, atomic_load_xor_64>; |
| 460 | defm ATOMIC_LOAD_NAND : AtomicRMW<atomic_load_nand_32, atomic_load_nand_64>; |
| 461 | defm ATOMIC_LOAD_MIN : AtomicRMW<atomic_load_min_32, atomic_load_min_64>; |
| 462 | defm ATOMIC_LOAD_MAX : AtomicRMW<atomic_load_max_32, atomic_load_max_64>; |
| 463 | defm ATOMIC_LOAD_UMIN : AtomicRMW<atomic_load_umin_32, atomic_load_umin_64>; |
| 464 | defm ATOMIC_LOAD_UMAX : AtomicRMW<atomic_load_umax_32, atomic_load_umax_64>; |
| 465 | |
Venkatraman Govindaraju | 3e3a29a | 2013-12-29 07:15:09 +0000 | [diff] [blame] | 466 | // Global addresses, constant pool entries |
| 467 | let Predicates = [Is64Bit] in { |
| 468 | |
| 469 | def : Pat<(SPhi tglobaladdr:$in), (SETHIi tglobaladdr:$in)>; |
| 470 | def : Pat<(SPlo tglobaladdr:$in), (ORXri (i64 G0), tglobaladdr:$in)>; |
| 471 | def : Pat<(SPhi tconstpool:$in), (SETHIi tconstpool:$in)>; |
| 472 | def : Pat<(SPlo tconstpool:$in), (ORXri (i64 G0), tconstpool:$in)>; |
| 473 | |
| 474 | // GlobalTLS addresses |
| 475 | def : Pat<(SPhi tglobaltlsaddr:$in), (SETHIi tglobaltlsaddr:$in)>; |
| 476 | def : Pat<(SPlo tglobaltlsaddr:$in), (ORXri (i64 G0), tglobaltlsaddr:$in)>; |
| 477 | def : Pat<(add (SPhi tglobaltlsaddr:$in1), (SPlo tglobaltlsaddr:$in2)), |
| 478 | (ADDXri (SETHIXi tglobaltlsaddr:$in1), (tglobaltlsaddr:$in2))>; |
| 479 | def : Pat<(xor (SPhi tglobaltlsaddr:$in1), (SPlo tglobaltlsaddr:$in2)), |
| 480 | (XORXri (SETHIXi tglobaltlsaddr:$in1), (tglobaltlsaddr:$in2))>; |
| 481 | |
| 482 | // Blockaddress |
| 483 | def : Pat<(SPhi tblockaddress:$in), (SETHIi tblockaddress:$in)>; |
| 484 | def : Pat<(SPlo tblockaddress:$in), (ORXri (i64 G0), tblockaddress:$in)>; |
| 485 | |
| 486 | // Add reg, lo. This is used when taking the addr of a global/constpool entry. |
| 487 | def : Pat<(add iPTR:$r, (SPlo tglobaladdr:$in)), (ADDXri $r, tglobaladdr:$in)>; |
| 488 | def : Pat<(add iPTR:$r, (SPlo tconstpool:$in)), (ADDXri $r, tconstpool:$in)>; |
| 489 | def : Pat<(add iPTR:$r, (SPlo tblockaddress:$in)), |
| 490 | (ADDXri $r, tblockaddress:$in)>; |
| 491 | } |