// // Copyright (c) 2008, 2013, Oracle and/or its affiliates. All rights reserved. // DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. // // This code is free software; you can redistribute it and/or modify it // under the terms of the GNU General Public License version 2 only, as // published by the Free Software Foundation. // // This code is distributed in the hope that it will be useful, but WITHOUT // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License // version 2 for more details (a copy is included in the LICENSE file that // accompanied this code). // // You should have received a copy of the GNU General Public License version // 2 along with this work; if not, write to the Free Software Foundation, // Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. // // Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA // or visit www.oracle.com if you need additional information or have any // questions. // // ARM Architecture Description File //----------REGISTER DEFINITION BLOCK------------------------------------------ // This information is used by the matcher and the register allocator to // describe individual registers and classes of registers within the target // archtecture. register %{ //----------Architecture Description Register Definitions---------------------- // General Registers // "reg_def" name ( register save type, C convention save type, // ideal register type, encoding, vm name ); // Register Save Types: // // NS = No-Save: The register allocator assumes that these registers // can be used without saving upon entry to the method, & // that they do not need to be saved at call sites. // // SOC = Save-On-Call: The register allocator assumes that these registers // can be used without saving upon entry to the method, // but that they must be saved at call sites. // // SOE = Save-On-Entry: The register allocator assumes that these registers // must be saved before using them upon entry to the // method, but they do not need to be saved at call // sites. // // AS = Always-Save: The register allocator assumes that these registers // must be saved before using them upon entry to the // method, & that they must be saved at call sites. // // Ideal Register Type is used to determine how to save & restore a // register. Op_RegI will get spilled with LoadI/StoreI, Op_RegP will get // spilled with LoadP/StoreP. If the register supports both, use Op_RegI. // // The encoding number is the actual bit-pattern placed into the opcodes. // ---------------------------- // Integer/Long Registers // ---------------------------- reg_def R_R0 (SOC, SOC, Op_RegI, 0, R(0)->as_VMReg()); reg_def R_R1 (SOC, SOC, Op_RegI, 1, R(1)->as_VMReg()); reg_def R_R2 (SOC, SOC, Op_RegI, 2, R(2)->as_VMReg()); reg_def R_R3 (SOC, SOC, Op_RegI, 3, R(3)->as_VMReg()); reg_def R_R4 (SOC, SOE, Op_RegI, 4, R(4)->as_VMReg()); reg_def R_R5 (SOC, SOE, Op_RegI, 5, R(5)->as_VMReg()); reg_def R_R6 (SOC, SOE, Op_RegI, 6, R(6)->as_VMReg()); reg_def R_R7 (SOC, SOE, Op_RegI, 7, R(7)->as_VMReg()); reg_def R_R8 (SOC, SOE, Op_RegI, 8, R(8)->as_VMReg()); reg_def R_R9 (SOC, SOE, Op_RegI, 9, R(9)->as_VMReg()); reg_def R_R10(NS, SOE, Op_RegI, 10, R(10)->as_VMReg()); reg_def R_R11(NS, SOE, Op_RegI, 11, R(11)->as_VMReg()); reg_def R_R12(SOC, SOC, Op_RegI, 12, R(12)->as_VMReg()); reg_def R_R13(NS, NS, Op_RegI, 13, R(13)->as_VMReg()); reg_def R_R14(SOC, SOC, Op_RegI, 14, R(14)->as_VMReg()); reg_def R_R15(NS, NS, Op_RegI, 15, R(15)->as_VMReg()); // ---------------------------- // Float/Double Registers // ---------------------------- // Float Registers reg_def R_S0 ( SOC, SOC, Op_RegF, 0, S0->as_VMReg()); reg_def R_S1 ( SOC, SOC, Op_RegF, 1, S1_reg->as_VMReg()); reg_def R_S2 ( SOC, SOC, Op_RegF, 2, S2_reg->as_VMReg()); reg_def R_S3 ( SOC, SOC, Op_RegF, 3, S3_reg->as_VMReg()); reg_def R_S4 ( SOC, SOC, Op_RegF, 4, S4_reg->as_VMReg()); reg_def R_S5 ( SOC, SOC, Op_RegF, 5, S5_reg->as_VMReg()); reg_def R_S6 ( SOC, SOC, Op_RegF, 6, S6_reg->as_VMReg()); reg_def R_S7 ( SOC, SOC, Op_RegF, 7, S7->as_VMReg()); reg_def R_S8 ( SOC, SOC, Op_RegF, 8, S8->as_VMReg()); reg_def R_S9 ( SOC, SOC, Op_RegF, 9, S9->as_VMReg()); reg_def R_S10( SOC, SOC, Op_RegF, 10,S10->as_VMReg()); reg_def R_S11( SOC, SOC, Op_RegF, 11,S11->as_VMReg()); reg_def R_S12( SOC, SOC, Op_RegF, 12,S12->as_VMReg()); reg_def R_S13( SOC, SOC, Op_RegF, 13,S13->as_VMReg()); reg_def R_S14( SOC, SOC, Op_RegF, 14,S14->as_VMReg()); reg_def R_S15( SOC, SOC, Op_RegF, 15,S15->as_VMReg()); reg_def R_S16( SOC, SOE, Op_RegF, 16,S16->as_VMReg()); reg_def R_S17( SOC, SOE, Op_RegF, 17,S17->as_VMReg()); reg_def R_S18( SOC, SOE, Op_RegF, 18,S18->as_VMReg()); reg_def R_S19( SOC, SOE, Op_RegF, 19,S19->as_VMReg()); reg_def R_S20( SOC, SOE, Op_RegF, 20,S20->as_VMReg()); reg_def R_S21( SOC, SOE, Op_RegF, 21,S21->as_VMReg()); reg_def R_S22( SOC, SOE, Op_RegF, 22,S22->as_VMReg()); reg_def R_S23( SOC, SOE, Op_RegF, 23,S23->as_VMReg()); reg_def R_S24( SOC, SOE, Op_RegF, 24,S24->as_VMReg()); reg_def R_S25( SOC, SOE, Op_RegF, 25,S25->as_VMReg()); reg_def R_S26( SOC, SOE, Op_RegF, 26,S26->as_VMReg()); reg_def R_S27( SOC, SOE, Op_RegF, 27,S27->as_VMReg()); reg_def R_S28( SOC, SOE, Op_RegF, 28,S28->as_VMReg()); reg_def R_S29( SOC, SOE, Op_RegF, 29,S29->as_VMReg()); reg_def R_S30( SOC, SOE, Op_RegF, 30,S30->as_VMReg()); reg_def R_S31( SOC, SOE, Op_RegF, 31,S31->as_VMReg()); // Double Registers // The rules of ADL require that double registers be defined in pairs. // Each pair must be two 32-bit values, but not necessarily a pair of // single float registers. In each pair, ADLC-assigned register numbers // must be adjacent, with the lower number even. Finally, when the // CPU stores such a register pair to memory, the word associated with // the lower ADLC-assigned number must be stored to the lower address. reg_def R_D16 (SOC, SOC, Op_RegD, 32, D16->as_VMReg()); reg_def R_D16x(SOC, SOC, Op_RegD,255, D16->as_VMReg()->next()); reg_def R_D17 (SOC, SOC, Op_RegD, 34, D17->as_VMReg()); reg_def R_D17x(SOC, SOC, Op_RegD,255, D17->as_VMReg()->next()); reg_def R_D18 (SOC, SOC, Op_RegD, 36, D18->as_VMReg()); reg_def R_D18x(SOC, SOC, Op_RegD,255, D18->as_VMReg()->next()); reg_def R_D19 (SOC, SOC, Op_RegD, 38, D19->as_VMReg()); reg_def R_D19x(SOC, SOC, Op_RegD,255, D19->as_VMReg()->next()); reg_def R_D20 (SOC, SOC, Op_RegD, 40, D20->as_VMReg()); reg_def R_D20x(SOC, SOC, Op_RegD,255, D20->as_VMReg()->next()); reg_def R_D21 (SOC, SOC, Op_RegD, 42, D21->as_VMReg()); reg_def R_D21x(SOC, SOC, Op_RegD,255, D21->as_VMReg()->next()); reg_def R_D22 (SOC, SOC, Op_RegD, 44, D22->as_VMReg()); reg_def R_D22x(SOC, SOC, Op_RegD,255, D22->as_VMReg()->next()); reg_def R_D23 (SOC, SOC, Op_RegD, 46, D23->as_VMReg()); reg_def R_D23x(SOC, SOC, Op_RegD,255, D23->as_VMReg()->next()); reg_def R_D24 (SOC, SOC, Op_RegD, 48, D24->as_VMReg()); reg_def R_D24x(SOC, SOC, Op_RegD,255, D24->as_VMReg()->next()); reg_def R_D25 (SOC, SOC, Op_RegD, 50, D25->as_VMReg()); reg_def R_D25x(SOC, SOC, Op_RegD,255, D25->as_VMReg()->next()); reg_def R_D26 (SOC, SOC, Op_RegD, 52, D26->as_VMReg()); reg_def R_D26x(SOC, SOC, Op_RegD,255, D26->as_VMReg()->next()); reg_def R_D27 (SOC, SOC, Op_RegD, 54, D27->as_VMReg()); reg_def R_D27x(SOC, SOC, Op_RegD,255, D27->as_VMReg()->next()); reg_def R_D28 (SOC, SOC, Op_RegD, 56, D28->as_VMReg()); reg_def R_D28x(SOC, SOC, Op_RegD,255, D28->as_VMReg()->next()); reg_def R_D29 (SOC, SOC, Op_RegD, 58, D29->as_VMReg()); reg_def R_D29x(SOC, SOC, Op_RegD,255, D29->as_VMReg()->next()); reg_def R_D30 (SOC, SOC, Op_RegD, 60, D30->as_VMReg()); reg_def R_D30x(SOC, SOC, Op_RegD,255, D30->as_VMReg()->next()); reg_def R_D31 (SOC, SOC, Op_RegD, 62, D31->as_VMReg()); reg_def R_D31x(SOC, SOC, Op_RegD,255, D31->as_VMReg()->next()); // ---------------------------- // Special Registers // Condition Codes Flag Registers reg_def APSR (SOC, SOC, Op_RegFlags, 0, VMRegImpl::Bad()); reg_def FPSCR(SOC, SOC, Op_RegFlags, 0, VMRegImpl::Bad()); // ---------------------------- // Specify the enum values for the registers. These enums are only used by the // OptoReg "class". We can convert these enum values at will to VMReg when needed // for visibility to the rest of the vm. The order of this enum influences the // register allocator so having the freedom to set this order and not be stuck // with the order that is natural for the rest of the vm is worth it. // registers in that order so that R11/R12 is an aligned pair that can be used for longs alloc_class chunk0( 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); // Note that a register is not allocatable unless it is also mentioned // in a widely-used reg_class below. alloc_class chunk1( 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, 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, R_S14, R_S15, 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,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,R_D30, R_D30x,R_D31, R_D31x ); alloc_class chunk2(APSR, FPSCR); //----------Architecture Description Register Classes-------------------------- // Several register classes are automatically defined based upon information in // this architecture description. // 1) reg_class inline_cache_reg ( as defined in frame section ) // 2) reg_class interpreter_method_oop_reg ( as defined in frame section ) // 3) reg_class stack_slots( /* one chunk of stack-based "registers" */ ) // // ---------------------------- // Integer Register Classes // ---------------------------- // Exclusions from i_reg: // SP (R13), PC (R15) // R10: reserved by HotSpot to the TLS register (invariant within Java) reg_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); reg_class R0_regI(R_R0); reg_class R1_regI(R_R1); reg_class R2_regI(R_R2); reg_class R3_regI(R_R3); reg_class R12_regI(R_R12); // ---------------------------- // Pointer Register Classes // ---------------------------- reg_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); // Special class for storeP instructions, which can store SP or RPC to TLS. // It is also used for memory addressing, allowing direct TLS addressing. reg_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*/); #define R_Ricklass R_R8 #define R_Rmethod R_R9 #define R_Rthread R_R10 #define R_Rexception_obj R_R4 // Other special pointer regs reg_class R0_regP(R_R0); reg_class R1_regP(R_R1); reg_class R2_regP(R_R2); reg_class R4_regP(R_R4); reg_class Rexception_regP(R_Rexception_obj); reg_class Ricklass_regP(R_Ricklass); reg_class Rmethod_regP(R_Rmethod); reg_class Rthread_regP(R_Rthread); reg_class IP_regP(R_R12); reg_class LR_regP(R_R14); reg_class FP_regP(R_R11); // ---------------------------- // Long Register Classes // ---------------------------- reg_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); // for ldrexd, strexd: first reg of pair must be even reg_class long_reg_align ( R_R0,R_R1, R_R2,R_R3, R_R4,R_R5, R_R6,R_R7, R_R8,R_R9); reg_class R0R1_regL(R_R0,R_R1); reg_class R2R3_regL(R_R2,R_R3); // ---------------------------- // Special Class for Condition Code Flags Register reg_class int_flags(APSR); reg_class float_flags(FPSCR); // ---------------------------- // Float Point Register Classes // ---------------------------- // Skip S14/S15, they are reserved for mem-mem copies reg_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, 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); // Paired floating point registers--they show up in the same order as the floats, // but they are used with the "Op_RegD" type, and always occur in even/odd pairs. reg_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, 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, 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, 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, R_D30,R_D30x, R_D31,R_D31x); reg_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, 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); reg_class actual_dflt_reg %{ if (VM_Version::has_vfp3_32()) { return DFLT_REG_mask(); } else { return DFLT_LOW_REG_mask(); } %} reg_class S0_regF(R_S0); reg_class D0_regD(R_S0,R_S1); reg_class D1_regD(R_S2,R_S3); reg_class D2_regD(R_S4,R_S5); reg_class D3_regD(R_S6,R_S7); reg_class D4_regD(R_S8,R_S9); reg_class D5_regD(R_S10,R_S11); reg_class D6_regD(R_S12,R_S13); reg_class D7_regD(R_S14,R_S15); reg_class D16_regD(R_D16,R_D16x); reg_class D17_regD(R_D17,R_D17x); reg_class D18_regD(R_D18,R_D18x); reg_class D19_regD(R_D19,R_D19x); reg_class D20_regD(R_D20,R_D20x); reg_class D21_regD(R_D21,R_D21x); reg_class D22_regD(R_D22,R_D22x); reg_class D23_regD(R_D23,R_D23x); reg_class D24_regD(R_D24,R_D24x); reg_class D25_regD(R_D25,R_D25x); reg_class D26_regD(R_D26,R_D26x); reg_class D27_regD(R_D27,R_D27x); reg_class D28_regD(R_D28,R_D28x); reg_class D29_regD(R_D29,R_D29x); reg_class D30_regD(R_D30,R_D30x); reg_class D31_regD(R_D31,R_D31x); reg_class vectorx_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, /* skip S14/S15 */ 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, 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,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, R_D30,R_D30x,R_D31,R_D31x); %} source_hpp %{ // FIXME const MachRegisterNumbers R_mem_copy_lo_num = R_S14_num; const MachRegisterNumbers R_mem_copy_hi_num = R_S15_num; const FloatRegister Rmemcopy = S14; const MachRegisterNumbers R_hf_ret_lo_num = R_S0_num; const MachRegisterNumbers R_hf_ret_hi_num = R_S1_num; const MachRegisterNumbers R_Ricklass_num = R_R8_num; const MachRegisterNumbers R_Rmethod_num = R_R9_num; #define LDR_DOUBLE "FLDD" #define LDR_FLOAT "FLDS" #define STR_DOUBLE "FSTD" #define STR_FLOAT "FSTS" #define LDR_64 "LDRD" #define STR_64 "STRD" #define LDR_32 "LDR" #define STR_32 "STR" #define MOV_DOUBLE "FCPYD" #define MOV_FLOAT "FCPYS" #define FMSR "FMSR" #define FMRS "FMRS" #define LDREX "ldrex " #define STREX "strex " #define str_64 strd #define ldr_64 ldrd #define ldr_32 ldr #define ldrex ldrex #define strex strex static inline bool is_memoryD(int offset) { return offset < 1024 && offset > -1024; } static inline bool is_memoryfp(int offset) { return offset < 1024 && offset > -1024; } static inline bool is_memoryI(int offset) { return offset < 4096 && offset > -4096; } static inline bool is_memoryP(int offset) { return offset < 4096 && offset > -4096; } static inline bool is_memoryHD(int offset) { return offset < 256 && offset > -256; } static inline bool is_aimm(int imm) { return AsmOperand::is_rotated_imm(imm); } static inline bool is_limmI(jint imm) { return AsmOperand::is_rotated_imm(imm); } static inline bool is_limmI_low(jint imm, int n) { int imml = imm & right_n_bits(n); return is_limmI(imml) || is_limmI(imm); } static inline int limmI_low(jint imm, int n) { int imml = imm & right_n_bits(n); return is_limmI(imml) ? imml : imm; } %} source %{ // Given a register encoding, produce a Integer Register object static Register reg_to_register_object(int register_encoding) { assert(R0->encoding() == R_R0_enc && R15->encoding() == R_R15_enc, "right coding"); return as_Register(register_encoding); } // Given a register encoding, produce a single-precision Float Register object static FloatRegister reg_to_FloatRegister_object(int register_encoding) { assert(S0->encoding() == R_S0_enc && S31->encoding() == R_S31_enc, "right coding"); return as_FloatRegister(register_encoding); } void Compile::pd_compiler2_init() { // Umimplemented } // Location of compiled Java return values. Same as C OptoRegPair c2::return_value(int ideal_reg) { assert( ideal_reg >= Op_RegI && ideal_reg <= Op_RegL, "only return normal values" ); #ifndef __ABI_HARD__ 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 }; static int hi[Op_RegL+1] = { 0, 0, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, R_R1_num, R_R1_num }; #else 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 }; static int hi[Op_RegL+1] = { 0, 0, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, R_hf_ret_hi_num, R_R1_num }; #endif return OptoRegPair( hi[ideal_reg], lo[ideal_reg]); } // !!!!! Special hack to get all type of calls to specify the byte offset // from the start of the call to the point where the return address // will point. int MachCallStaticJavaNode::ret_addr_offset() { bool far = (_method == NULL) ? maybe_far_call(this) : !cache_reachable(); return ((far ? 3 : 1) + (_method_handle_invoke ? 1 : 0)) * NativeInstruction::instruction_size; } int MachCallDynamicJavaNode::ret_addr_offset() { bool far = !cache_reachable(); // mov_oop is always 2 words return (2 + (far ? 3 : 1)) * NativeInstruction::instruction_size; } int MachCallRuntimeNode::ret_addr_offset() { // bl or movw; movt; blx bool far = maybe_far_call(this); return (far ? 3 : 1) * NativeInstruction::instruction_size; } %} // The intptr_t operand types, defined by textual substitution. // (Cf. opto/type.hpp. This lets us avoid many, many other ifdefs.) #define immX immI #define immXRot immIRot #define iRegX iRegI #define aimmX aimmI #define limmX limmI #define immX10x2 immI10x2 #define LShiftX LShiftI #define shimmX immU5 // Compatibility interface #define aimmP immPRot #define immIMov immIRot #define store_RegL iRegL #define store_RegLd iRegLd #define store_RegI iRegI #define store_ptr_RegP iRegP //----------ATTRIBUTES--------------------------------------------------------- //----------Operand Attributes------------------------------------------------- op_attrib op_cost(1); // Required cost attribute //----------OPERANDS----------------------------------------------------------- // Operand definitions must precede instruction definitions for correct parsing // in the ADLC because operands constitute user defined types which are used in // instruction definitions. //----------Simple Operands---------------------------------------------------- // Immediate Operands operand immIRot() %{ predicate(AsmOperand::is_rotated_imm(n->get_int())); match(ConI); op_cost(0); // formats are generated automatically for constants and base registers format %{ %} interface(CONST_INTER); %} operand immIRotn() %{ predicate(n->get_int() != 0 && AsmOperand::is_rotated_imm(~n->get_int())); match(ConI); op_cost(0); // formats are generated automatically for constants and base registers format %{ %} interface(CONST_INTER); %} operand immIRotneg() %{ // if AsmOperand::is_rotated_imm() is true for this constant, it is // a immIRot and an optimal instruction combination exists to handle the // constant as an immIRot predicate(!AsmOperand::is_rotated_imm(n->get_int()) && AsmOperand::is_rotated_imm(-n->get_int())); match(ConI); op_cost(0); // formats are generated automatically for constants and base registers format %{ %} interface(CONST_INTER); %} // Non-negative integer immediate that is encodable using the rotation scheme, // and that when expanded fits in 31 bits. operand immU31Rot() %{ predicate((0 <= n->get_int()) && AsmOperand::is_rotated_imm(n->get_int())); match(ConI); op_cost(0); // formats are generated automatically for constants and base registers format %{ %} interface(CONST_INTER); %} operand immPRot() %{ predicate(n->get_ptr() == 0 || (AsmOperand::is_rotated_imm(n->get_ptr()) && ((ConPNode*)n)->type()->reloc() == relocInfo::none)); match(ConP); op_cost(0); // formats are generated automatically for constants and base registers format %{ %} interface(CONST_INTER); %} operand immLlowRot() %{ predicate(n->get_long() >> 32 == 0 && AsmOperand::is_rotated_imm((int)n->get_long())); match(ConL); op_cost(0); format %{ %} interface(CONST_INTER); %} operand immLRot2() %{ predicate(AsmOperand::is_rotated_imm((int)(n->get_long() >> 32)) && AsmOperand::is_rotated_imm((int)(n->get_long()))); match(ConL); op_cost(0); format %{ %} interface(CONST_INTER); %} // Integer Immediate: 12-bit - for addressing mode operand immI12() %{ predicate((-4096 < n->get_int()) && (n->get_int() < 4096)); match(ConI); op_cost(0); format %{ %} interface(CONST_INTER); %} // Integer Immediate: 10-bit disp and disp+4 - for addressing float pair operand immI10x2() %{ predicate((-1024 < n->get_int()) && (n->get_int() < 1024 - 4)); match(ConI); op_cost(0); format %{ %} interface(CONST_INTER); %} // Integer Immediate: 12-bit disp and disp+4 - for addressing word pair operand immI12x2() %{ predicate((-4096 < n->get_int()) && (n->get_int() < 4096 - 4)); match(ConI); op_cost(0); format %{ %} interface(CONST_INTER); %}