1// 2// Copyright (c) 2008, 2013, Oracle and/or its affiliates. All rights reserved. 3// DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4// 5// This code is free software; you can redistribute it and/or modify it 6// under the terms of the GNU General Public License version 2 only, as 7// published by the Free Software Foundation. 8// 9// This code is distributed in the hope that it will be useful, but WITHOUT 10// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12// version 2 for more details (a copy is included in the LICENSE file that 13// accompanied this code). 14// 15// You should have received a copy of the GNU General Public License version 16// 2 along with this work; if not, write to the Free Software Foundation, 17// Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18// 19// Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20// or visit www.oracle.com if you need additional information or have any 21// questions. 22// 23 24// ARM Architecture Description File 25 26//----------REGISTER DEFINITION BLOCK------------------------------------------ 27// This information is used by the matcher and the register allocator to 28// describe individual registers and classes of registers within the target 29// archtecture. 30register %{ 31//----------Architecture Description Register Definitions---------------------- 32// General Registers 33// "reg_def" name ( register save type, C convention save type, 34// ideal register type, encoding, vm name ); 35// Register Save Types: 36// 37// NS = No-Save: The register allocator assumes that these registers 38// can be used without saving upon entry to the method, & 39// that they do not need to be saved at call sites. 40// 41// SOC = Save-On-Call: The register allocator assumes that these registers 42// can be used without saving upon entry to the method, 43// but that they must be saved at call sites. 44// 45// SOE = Save-On-Entry: The register allocator assumes that these registers 46// must be saved before using them upon entry to the 47// method, but they do not need to be saved at call 48// sites. 49// 50// AS = Always-Save: The register allocator assumes that these registers 51// must be saved before using them upon entry to the 52// method, & that they must be saved at call sites. 53// 54// Ideal Register Type is used to determine how to save & restore a 55// register. Op_RegI will get spilled with LoadI/StoreI, Op_RegP will get 56// spilled with LoadP/StoreP. If the register supports both, use Op_RegI. 57// 58// The encoding number is the actual bit-pattern placed into the opcodes. 59 60 61// ---------------------------- 62// Integer/Long Registers 63// ---------------------------- 64 65reg_def R_R0 (SOC, SOC, Op_RegI, 0, R(0)->as_VMReg()); 66reg_def R_R1 (SOC, SOC, Op_RegI, 1, R(1)->as_VMReg()); 67reg_def R_R2 (SOC, SOC, Op_RegI, 2, R(2)->as_VMReg()); 68reg_def R_R3 (SOC, SOC, Op_RegI, 3, R(3)->as_VMReg()); 69reg_def R_R4 (SOC, SOE, Op_RegI, 4, R(4)->as_VMReg()); 70reg_def R_R5 (SOC, SOE, Op_RegI, 5, R(5)->as_VMReg()); 71reg_def R_R6 (SOC, SOE, Op_RegI, 6, R(6)->as_VMReg()); 72reg_def R_R7 (SOC, SOE, Op_RegI, 7, R(7)->as_VMReg()); 73reg_def R_R8 (SOC, SOE, Op_RegI, 8, R(8)->as_VMReg()); 74reg_def R_R9 (SOC, SOE, Op_RegI, 9, R(9)->as_VMReg()); 75reg_def R_R10(NS, SOE, Op_RegI, 10, R(10)->as_VMReg()); 76reg_def R_R11(NS, SOE, Op_RegI, 11, R(11)->as_VMReg()); 77reg_def R_R12(SOC, SOC, Op_RegI, 12, R(12)->as_VMReg()); 78reg_def R_R13(NS, NS, Op_RegI, 13, R(13)->as_VMReg()); 79reg_def R_R14(SOC, SOC, Op_RegI, 14, R(14)->as_VMReg()); 80reg_def R_R15(NS, NS, Op_RegI, 15, R(15)->as_VMReg()); 81 82// ---------------------------- 83// Float/Double Registers 84// ---------------------------- 85 86// Float Registers 87 88reg_def R_S0 ( SOC, SOC, Op_RegF, 0, S0->as_VMReg()); 89reg_def R_S1 ( SOC, SOC, Op_RegF, 1, S1_reg->as_VMReg()); 90reg_def R_S2 ( SOC, SOC, Op_RegF, 2, S2_reg->as_VMReg()); 91reg_def R_S3 ( SOC, SOC, Op_RegF, 3, S3_reg->as_VMReg()); 92reg_def R_S4 ( SOC, SOC, Op_RegF, 4, S4_reg->as_VMReg()); 93reg_def R_S5 ( SOC, SOC, Op_RegF, 5, S5_reg->as_VMReg()); 94reg_def R_S6 ( SOC, SOC, Op_RegF, 6, S6_reg->as_VMReg()); 95reg_def R_S7 ( SOC, SOC, Op_RegF, 7, S7->as_VMReg()); 96reg_def R_S8 ( SOC, SOC, Op_RegF, 8, S8->as_VMReg()); 97reg_def R_S9 ( SOC, SOC, Op_RegF, 9, S9->as_VMReg()); 98reg_def R_S10( SOC, SOC, Op_RegF, 10,S10->as_VMReg()); 99reg_def R_S11( SOC, SOC, Op_RegF, 11,S11->as_VMReg()); 100reg_def R_S12( SOC, SOC, Op_RegF, 12,S12->as_VMReg()); 101reg_def R_S13( SOC, SOC, Op_RegF, 13,S13->as_VMReg()); 102reg_def R_S14( SOC, SOC, Op_RegF, 14,S14->as_VMReg()); 103reg_def R_S15( SOC, SOC, Op_RegF, 15,S15->as_VMReg()); 104reg_def R_S16( SOC, SOE, Op_RegF, 16,S16->as_VMReg()); 105reg_def R_S17( SOC, SOE, Op_RegF, 17,S17->as_VMReg()); 106reg_def R_S18( SOC, SOE, Op_RegF, 18,S18->as_VMReg()); 107reg_def R_S19( SOC, SOE, Op_RegF, 19,S19->as_VMReg()); 108reg_def R_S20( SOC, SOE, Op_RegF, 20,S20->as_VMReg()); 109reg_def R_S21( SOC, SOE, Op_RegF, 21,S21->as_VMReg()); 110reg_def R_S22( SOC, SOE, Op_RegF, 22,S22->as_VMReg()); 111reg_def R_S23( SOC, SOE, Op_RegF, 23,S23->as_VMReg()); 112reg_def R_S24( SOC, SOE, Op_RegF, 24,S24->as_VMReg()); 113reg_def R_S25( SOC, SOE, Op_RegF, 25,S25->as_VMReg()); 114reg_def R_S26( SOC, SOE, Op_RegF, 26,S26->as_VMReg()); 115reg_def R_S27( SOC, SOE, Op_RegF, 27,S27->as_VMReg()); 116reg_def R_S28( SOC, SOE, Op_RegF, 28,S28->as_VMReg()); 117reg_def R_S29( SOC, SOE, Op_RegF, 29,S29->as_VMReg()); 118reg_def R_S30( SOC, SOE, Op_RegF, 30,S30->as_VMReg()); 119reg_def R_S31( SOC, SOE, Op_RegF, 31,S31->as_VMReg()); 120 121// Double Registers 122// The rules of ADL require that double registers be defined in pairs. 123// Each pair must be two 32-bit values, but not necessarily a pair of 124// single float registers. In each pair, ADLC-assigned register numbers 125// must be adjacent, with the lower number even. Finally, when the 126// CPU stores such a register pair to memory, the word associated with 127// the lower ADLC-assigned number must be stored to the lower address. 128 129reg_def R_D16 (SOC, SOC, Op_RegD, 32, D16->as_VMReg()); 130reg_def R_D16x(SOC, SOC, Op_RegD,255, D16->as_VMReg()->next()); 131reg_def R_D17 (SOC, SOC, Op_RegD, 34, D17->as_VMReg()); 132reg_def R_D17x(SOC, SOC, Op_RegD,255, D17->as_VMReg()->next()); 133reg_def R_D18 (SOC, SOC, Op_RegD, 36, D18->as_VMReg()); 134reg_def R_D18x(SOC, SOC, Op_RegD,255, D18->as_VMReg()->next()); 135reg_def R_D19 (SOC, SOC, Op_RegD, 38, D19->as_VMReg()); 136reg_def R_D19x(SOC, SOC, Op_RegD,255, D19->as_VMReg()->next()); 137reg_def R_D20 (SOC, SOC, Op_RegD, 40, D20->as_VMReg()); 138reg_def R_D20x(SOC, SOC, Op_RegD,255, D20->as_VMReg()->next()); 139reg_def R_D21 (SOC, SOC, Op_RegD, 42, D21->as_VMReg()); 140reg_def R_D21x(SOC, SOC, Op_RegD,255, D21->as_VMReg()->next()); 141reg_def R_D22 (SOC, SOC, Op_RegD, 44, D22->as_VMReg()); 142reg_def R_D22x(SOC, SOC, Op_RegD,255, D22->as_VMReg()->next()); 143reg_def R_D23 (SOC, SOC, Op_RegD, 46, D23->as_VMReg()); 144reg_def R_D23x(SOC, SOC, Op_RegD,255, D23->as_VMReg()->next()); 145reg_def R_D24 (SOC, SOC, Op_RegD, 48, D24->as_VMReg()); 146reg_def R_D24x(SOC, SOC, Op_RegD,255, D24->as_VMReg()->next()); 147reg_def R_D25 (SOC, SOC, Op_RegD, 50, D25->as_VMReg()); 148reg_def R_D25x(SOC, SOC, Op_RegD,255, D25->as_VMReg()->next()); 149reg_def R_D26 (SOC, SOC, Op_RegD, 52, D26->as_VMReg()); 150reg_def R_D26x(SOC, SOC, Op_RegD,255, D26->as_VMReg()->next()); 151reg_def R_D27 (SOC, SOC, Op_RegD, 54, D27->as_VMReg()); 152reg_def R_D27x(SOC, SOC, Op_RegD,255, D27->as_VMReg()->next()); 153reg_def R_D28 (SOC, SOC, Op_RegD, 56, D28->as_VMReg()); 154reg_def R_D28x(SOC, SOC, Op_RegD,255, D28->as_VMReg()->next()); 155reg_def R_D29 (SOC, SOC, Op_RegD, 58, D29->as_VMReg()); 156reg_def R_D29x(SOC, SOC, Op_RegD,255, D29->as_VMReg()->next()); 157reg_def R_D30 (SOC, SOC, Op_RegD, 60, D30->as_VMReg()); 158reg_def R_D30x(SOC, SOC, Op_RegD,255, D30->as_VMReg()->next()); 159reg_def R_D31 (SOC, SOC, Op_RegD, 62, D31->as_VMReg()); 160reg_def R_D31x(SOC, SOC, Op_RegD,255, D31->as_VMReg()->next()); 161 162// ---------------------------- 163// Special Registers 164// Condition Codes Flag Registers 165reg_def APSR (SOC, SOC, Op_RegFlags, 0, VMRegImpl::Bad()); 166reg_def FPSCR(SOC, SOC, Op_RegFlags, 0, VMRegImpl::Bad()); 167 168// ---------------------------- 169// Specify the enum values for the registers. These enums are only used by the 170// OptoReg "class". We can convert these enum values at will to VMReg when needed 171// for visibility to the rest of the vm. The order of this enum influences the 172// register allocator so having the freedom to set this order and not be stuck 173// with the order that is natural for the rest of the vm is worth it. 174 175// registers in that order so that R11/R12 is an aligned pair that can be used for longs 176alloc_class chunk0( 177 R_R4, R_R5, R_R6, R_R7, R_R8, R_R9, R_R11, R_R12, R_R10, R_R13, R_R14, R_R15, R_R0, R_R1, R_R2, R_R3); 178 179// Note that a register is not allocatable unless it is also mentioned 180// in a widely-used reg_class below. 181 182alloc_class chunk1( 183 R_S16, R_S17, R_S18, R_S19, R_S20, R_S21, R_S22, R_S23, 184 R_S24, R_S25, R_S26, R_S27, R_S28, R_S29, R_S30, R_S31, 185 R_S0, R_S1, R_S2, R_S3, R_S4, R_S5, R_S6, R_S7, 186 R_S8, R_S9, R_S10, R_S11, R_S12, R_S13, R_S14, R_S15, 187 R_D16, R_D16x,R_D17, R_D17x,R_D18, R_D18x,R_D19, R_D19x, 188 R_D20, R_D20x,R_D21, R_D21x,R_D22, R_D22x,R_D23, R_D23x, 189 R_D24, R_D24x,R_D25, R_D25x,R_D26, R_D26x,R_D27, R_D27x, 190 R_D28, R_D28x,R_D29, R_D29x,R_D30, R_D30x,R_D31, R_D31x 191); 192 193alloc_class chunk2(APSR, FPSCR); 194 195//----------Architecture Description Register Classes-------------------------- 196// Several register classes are automatically defined based upon information in 197// this architecture description. 198// 1) reg_class inline_cache_reg ( as defined in frame section ) 199// 2) reg_class interpreter_method_oop_reg ( as defined in frame section ) 200// 3) reg_class stack_slots( /* one chunk of stack-based "registers" */ ) 201// 202 203// ---------------------------- 204// Integer Register Classes 205// ---------------------------- 206// Exclusions from i_reg: 207// SP (R13), PC (R15) 208// R10: reserved by HotSpot to the TLS register (invariant within Java) 209reg_class int_reg(R_R0, R_R1, R_R2, R_R3, R_R4, R_R5, R_R6, R_R7, R_R8, R_R9, R_R11, R_R12, R_R14); 210 211reg_class R0_regI(R_R0); 212reg_class R1_regI(R_R1); 213reg_class R2_regI(R_R2); 214reg_class R3_regI(R_R3); 215reg_class R12_regI(R_R12); 216 217// ---------------------------- 218// Pointer Register Classes 219// ---------------------------- 220reg_class ptr_reg(R_R0, R_R1, R_R2, R_R3, R_R4, R_R5, R_R6, R_R7, R_R8, R_R9, R_R11, R_R12, R_R14); 221// Special class for storeP instructions, which can store SP or RPC to TLS. 222// It is also used for memory addressing, allowing direct TLS addressing. 223reg_class sp_ptr_reg(R_R0, R_R1, R_R2, R_R3, R_R4, R_R5, R_R6, R_R7, R_R8, R_R9, R_R11, R_R12, R_R14, R_R10 /* TLS*/, R_R13 /* SP*/); 224 225#define R_Ricklass R_R8 226#define R_Rmethod R_R9 227#define R_Rthread R_R10 228#define R_Rexception_obj R_R4 229 230// Other special pointer regs 231reg_class R0_regP(R_R0); 232reg_class R1_regP(R_R1); 233reg_class R2_regP(R_R2); 234reg_class R4_regP(R_R4); 235reg_class Rexception_regP(R_Rexception_obj); 236reg_class Ricklass_regP(R_Ricklass); 237reg_class Rmethod_regP(R_Rmethod); 238reg_class Rthread_regP(R_Rthread); 239reg_class IP_regP(R_R12); 240reg_class LR_regP(R_R14); 241 242reg_class FP_regP(R_R11); 243 244// ---------------------------- 245// Long Register Classes 246// ---------------------------- 247reg_class long_reg ( R_R0,R_R1, R_R2,R_R3, R_R4,R_R5, R_R6,R_R7, R_R8,R_R9, R_R11,R_R12); 248// for ldrexd, strexd: first reg of pair must be even 249reg_class long_reg_align ( R_R0,R_R1, R_R2,R_R3, R_R4,R_R5, R_R6,R_R7, R_R8,R_R9); 250 251reg_class R0R1_regL(R_R0,R_R1); 252reg_class R2R3_regL(R_R2,R_R3); 253 254// ---------------------------- 255// Special Class for Condition Code Flags Register 256reg_class int_flags(APSR); 257reg_class float_flags(FPSCR); 258 259 260// ---------------------------- 261// Float Point Register Classes 262// ---------------------------- 263// Skip S14/S15, they are reserved for mem-mem copies 264reg_class sflt_reg(R_S0, R_S1, R_S2, R_S3, R_S4, R_S5, R_S6, R_S7, R_S8, R_S9, R_S10, R_S11, R_S12, R_S13, 265 R_S16, R_S17, R_S18, R_S19, R_S20, R_S21, R_S22, R_S23, R_S24, R_S25, R_S26, R_S27, R_S28, R_S29, R_S30, R_S31); 266 267// Paired floating point registers--they show up in the same order as the floats, 268// but they are used with the "Op_RegD" type, and always occur in even/odd pairs. 269reg_class dflt_reg(R_S0,R_S1, R_S2,R_S3, R_S4,R_S5, R_S6,R_S7, R_S8,R_S9, R_S10,R_S11, R_S12,R_S13, 270 R_S16,R_S17, R_S18,R_S19, R_S20,R_S21, R_S22,R_S23, R_S24,R_S25, R_S26,R_S27, R_S28,R_S29, R_S30,R_S31, 271 R_D16,R_D16x, R_D17,R_D17x, R_D18,R_D18x, R_D19,R_D19x, R_D20,R_D20x, R_D21,R_D21x, R_D22,R_D22x, 272 R_D23,R_D23x, R_D24,R_D24x, R_D25,R_D25x, R_D26,R_D26x, R_D27,R_D27x, R_D28,R_D28x, R_D29,R_D29x, 273 R_D30,R_D30x, R_D31,R_D31x); 274 275reg_class dflt_low_reg(R_S0,R_S1, R_S2,R_S3, R_S4,R_S5, R_S6,R_S7, R_S8,R_S9, R_S10,R_S11, R_S12,R_S13, 276 R_S16,R_S17, R_S18,R_S19, R_S20,R_S21, R_S22,R_S23, R_S24,R_S25, R_S26,R_S27, R_S28,R_S29, R_S30,R_S31); 277 278 279reg_class actual_dflt_reg %{ 280 if (VM_Version::has_vfp3_32()) { 281 return DFLT_REG_mask(); 282 } else { 283 return DFLT_LOW_REG_mask(); 284 } 285%} 286 287reg_class S0_regF(R_S0); 288reg_class D0_regD(R_S0,R_S1); 289reg_class D1_regD(R_S2,R_S3); 290reg_class D2_regD(R_S4,R_S5); 291reg_class D3_regD(R_S6,R_S7); 292reg_class D4_regD(R_S8,R_S9); 293reg_class D5_regD(R_S10,R_S11); 294reg_class D6_regD(R_S12,R_S13); 295reg_class D7_regD(R_S14,R_S15); 296 297reg_class D16_regD(R_D16,R_D16x); 298reg_class D17_regD(R_D17,R_D17x); 299reg_class D18_regD(R_D18,R_D18x); 300reg_class D19_regD(R_D19,R_D19x); 301reg_class D20_regD(R_D20,R_D20x); 302reg_class D21_regD(R_D21,R_D21x); 303reg_class D22_regD(R_D22,R_D22x); 304reg_class D23_regD(R_D23,R_D23x); 305reg_class D24_regD(R_D24,R_D24x); 306reg_class D25_regD(R_D25,R_D25x); 307reg_class D26_regD(R_D26,R_D26x); 308reg_class D27_regD(R_D27,R_D27x); 309reg_class D28_regD(R_D28,R_D28x); 310reg_class D29_regD(R_D29,R_D29x); 311reg_class D30_regD(R_D30,R_D30x); 312reg_class D31_regD(R_D31,R_D31x); 313 314reg_class vectorx_reg(R_S0,R_S1,R_S2,R_S3, R_S4,R_S5,R_S6,R_S7, 315 R_S8,R_S9,R_S10,R_S11, /* skip S14/S15 */ 316 R_S16,R_S17,R_S18,R_S19, R_S20,R_S21,R_S22,R_S23, 317 R_S24,R_S25,R_S26,R_S27, R_S28,R_S29,R_S30,R_S31, 318 R_D16,R_D16x,R_D17,R_D17x, R_D18,R_D18x,R_D19,R_D19x, 319 R_D20,R_D20x,R_D21,R_D21x, R_D22,R_D22x,R_D23,R_D23x, 320 R_D24,R_D24x,R_D25,R_D25x, R_D26,R_D26x,R_D27,R_D27x, 321 R_D28,R_D28x,R_D29,R_D29x, R_D30,R_D30x,R_D31,R_D31x); 322 323%} 324 325source_hpp %{ 326// FIXME 327const MachRegisterNumbers R_mem_copy_lo_num = R_S14_num; 328const MachRegisterNumbers R_mem_copy_hi_num = R_S15_num; 329const FloatRegister Rmemcopy = S14; 330const MachRegisterNumbers R_hf_ret_lo_num = R_S0_num; 331const MachRegisterNumbers R_hf_ret_hi_num = R_S1_num; 332 333const MachRegisterNumbers R_Ricklass_num = R_R8_num; 334const MachRegisterNumbers R_Rmethod_num = R_R9_num; 335 336#define LDR_DOUBLE "FLDD" 337#define LDR_FLOAT "FLDS" 338#define STR_DOUBLE "FSTD" 339#define STR_FLOAT "FSTS" 340#define LDR_64 "LDRD" 341#define STR_64 "STRD" 342#define LDR_32 "LDR" 343#define STR_32 "STR" 344#define MOV_DOUBLE "FCPYD" 345#define MOV_FLOAT "FCPYS" 346#define FMSR "FMSR" 347#define FMRS "FMRS" 348#define LDREX "ldrex " 349#define STREX "strex " 350 351#define str_64 strd 352#define ldr_64 ldrd 353#define ldr_32 ldr 354#define ldrex ldrex 355#define strex strex 356 357static inline bool is_memoryD(int offset) { 358 return offset < 1024 && offset > -1024; 359} 360 361static inline bool is_memoryfp(int offset) { 362 return offset < 1024 && offset > -1024; 363} 364 365static inline bool is_memoryI(int offset) { 366 return offset < 4096 && offset > -4096; 367} 368 369static inline bool is_memoryP(int offset) { 370 return offset < 4096 && offset > -4096; 371} 372 373static inline bool is_memoryHD(int offset) { 374 return offset < 256 && offset > -256; 375} 376 377static inline bool is_aimm(int imm) { 378 return AsmOperand::is_rotated_imm(imm); 379} 380 381static inline bool is_limmI(jint imm) { 382 return AsmOperand::is_rotated_imm(imm); 383} 384 385static inline bool is_limmI_low(jint imm, int n) { 386 int imml = imm & right_n_bits(n); 387 return is_limmI(imml) || is_limmI(imm); 388} 389 390static inline int limmI_low(jint imm, int n) { 391 int imml = imm & right_n_bits(n); 392 return is_limmI(imml) ? imml : imm; 393} 394 395%} 396 397source %{ 398 399// Given a register encoding, produce a Integer Register object 400static Register reg_to_register_object(int register_encoding) { 401 assert(R0->encoding() == R_R0_enc && R15->encoding() == R_R15_enc, "right coding"); 402 return as_Register(register_encoding); 403} 404 405// Given a register encoding, produce a single-precision Float Register object 406static FloatRegister reg_to_FloatRegister_object(int register_encoding) { 407 assert(S0->encoding() == R_S0_enc && S31->encoding() == R_S31_enc, "right coding"); 408 return as_FloatRegister(register_encoding); 409} 410 411void Compile::pd_compiler2_init() { 412 // Umimplemented 413} 414 415// Location of compiled Java return values. Same as C 416OptoRegPair c2::return_value(int ideal_reg) { 417 assert( ideal_reg >= Op_RegI && ideal_reg <= Op_RegL, "only return normal values" ); 418#ifndef __ABI_HARD__ 419 static int lo[Op_RegL+1] = { 0, 0, OptoReg::Bad, R_R0_num, R_R0_num, R_R0_num, R_R0_num, R_R0_num }; 420 static int hi[Op_RegL+1] = { 0, 0, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, R_R1_num, R_R1_num }; 421#else 422 static int lo[Op_RegL+1] = { 0, 0, OptoReg::Bad, R_R0_num, R_R0_num, R_hf_ret_lo_num, R_hf_ret_lo_num, R_R0_num }; 423 static int hi[Op_RegL+1] = { 0, 0, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, R_hf_ret_hi_num, R_R1_num }; 424#endif 425 return OptoRegPair( hi[ideal_reg], lo[ideal_reg]); 426} 427 428// !!!!! Special hack to get all type of calls to specify the byte offset 429// from the start of the call to the point where the return address 430// will point. 431 432int MachCallStaticJavaNode::ret_addr_offset() { 433 bool far = (_method == NULL) ? maybe_far_call(this) : !cache_reachable(); 434 return ((far ? 3 : 1) + (_method_handle_invoke ? 1 : 0)) * 435 NativeInstruction::instruction_size; 436} 437 438int MachCallDynamicJavaNode::ret_addr_offset() { 439 bool far = !cache_reachable(); 440 // mov_oop is always 2 words 441 return (2 + (far ? 3 : 1)) * NativeInstruction::instruction_size; 442} 443 444int MachCallRuntimeNode::ret_addr_offset() { 445 // bl or movw; movt; blx 446 bool far = maybe_far_call(this); 447 return (far ? 3 : 1) * NativeInstruction::instruction_size; 448} 449%} 450 451// The intptr_t operand types, defined by textual substitution. 452// (Cf. opto/type.hpp. This lets us avoid many, many other ifdefs.) 453#define immX immI 454#define immXRot immIRot 455#define iRegX iRegI 456#define aimmX aimmI 457#define limmX limmI 458#define immX10x2 immI10x2 459#define LShiftX LShiftI 460#define shimmX immU5 461 462// Compatibility interface 463#define aimmP immPRot 464#define immIMov immIRot 465 466#define store_RegL iRegL 467#define store_RegLd iRegLd 468#define store_RegI iRegI 469#define store_ptr_RegP iRegP 470 471//----------ATTRIBUTES--------------------------------------------------------- 472//----------Operand Attributes------------------------------------------------- 473op_attrib op_cost(1); // Required cost attribute 474 475//----------OPERANDS----------------------------------------------------------- 476// Operand definitions must precede instruction definitions for correct parsing 477// in the ADLC because operands constitute user defined types which are used in 478// instruction definitions. 479 480//----------Simple Operands---------------------------------------------------- 481// Immediate Operands 482 483operand immIRot() %{ 484 predicate(AsmOperand::is_rotated_imm(n->get_int())); 485 match(ConI); 486 487 op_cost(0); 488 // formats are generated automatically for constants and base registers 489 format %{ %} 490 interface(CONST_INTER); 491%} 492 493operand immIRotn() %{ 494 predicate(n->get_int() != 0 && AsmOperand::is_rotated_imm(~n->get_int())); 495 match(ConI); 496 497 op_cost(0); 498 // formats are generated automatically for constants and base registers 499 format %{ %} 500 interface(CONST_INTER); 501%} 502 503operand immIRotneg() %{ 504 // if AsmOperand::is_rotated_imm() is true for this constant, it is 505 // a immIRot and an optimal instruction combination exists to handle the 506 // constant as an immIRot 507 predicate(!AsmOperand::is_rotated_imm(n->get_int()) && AsmOperand::is_rotated_imm(-n->get_int())); 508 match(ConI); 509 510 op_cost(0); 511 // formats are generated automatically for constants and base registers 512 format %{ %} 513 interface(CONST_INTER); 514%} 515 516// Non-negative integer immediate that is encodable using the rotation scheme, 517// and that when expanded fits in 31 bits. 518operand immU31Rot() %{ 519 predicate((0 <= n->get_int()) && AsmOperand::is_rotated_imm(n->get_int())); 520 match(ConI); 521 522 op_cost(0); 523 // formats are generated automatically for constants and base registers 524 format %{ %} 525 interface(CONST_INTER); 526%} 527 528operand immPRot() %{ 529 predicate(n->get_ptr() == 0 || (AsmOperand::is_rotated_imm(n->get_ptr()) && ((ConPNode*)n)->type()->reloc() == relocInfo::none)); 530 531 match(ConP); 532 533 op_cost(0); 534 // formats are generated automatically for constants and base registers 535 format %{ %} 536 interface(CONST_INTER); 537%} 538 539operand immLlowRot() %{ 540 predicate(n->get_long() >> 32 == 0 && AsmOperand::is_rotated_imm((int)n->get_long())); 541 match(ConL); 542 op_cost(0); 543 544 format %{ %} 545 interface(CONST_INTER); 546%} 547 548operand immLRot2() %{ 549 predicate(AsmOperand::is_rotated_imm((int)(n->get_long() >> 32)) && 550 AsmOperand::is_rotated_imm((int)(n->get_long()))); 551 match(ConL); 552 op_cost(0); 553 554 format %{ %} 555 interface(CONST_INTER); 556%} 557 558// Integer Immediate: 12-bit - for addressing mode 559operand immI12() %{ 560 predicate((-4096 < n->get_int()) && (n->get_int() < 4096)); 561 match(ConI); 562 op_cost(0); 563 564 format %{ %} 565 interface(CONST_INTER); 566%} 567 568// Integer Immediate: 10-bit disp and disp+4 - for addressing float pair 569operand immI10x2() %{ 570 predicate((-1024 < n->get_int()) && (n->get_int() < 1024 - 4)); 571 match(ConI); 572 op_cost(0); 573 574 format %{ %} 575 interface(CONST_INTER); 576%} 577 578// Integer Immediate: 12-bit disp and disp+4 - for addressing word pair 579operand immI12x2() %{ 580 predicate((-4096 < n->get_int()) && (n->get_int() < 4096 - 4)); 581 match(ConI); 582 op_cost(0); 583 584 format %{ %} 585 interface(CONST_INTER); 586%} 587