| //===- subzero/src/IceInstARM32.def - X-Macros for ARM32 insts --*- C++ -*-===// |
| // |
| // The Subzero Code Generator |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file defines properties of ARM32 instructions in the form of x-macros. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef SUBZERO_SRC_ICEINSTARM32_DEF |
| #define SUBZERO_SRC_ICEINSTARM32_DEF |
| |
| // NOTE: PC and SP are not considered isInt, to avoid register allocating. |
| // |
| // For the NaCl sandbox we also need to r9 for TLS, so just reserve always. |
| // TODO(jvoung): Allow r9 to be isInt when sandboxing is turned off |
| // (native mode). |
| // |
| // IP is not considered isInt to reserve it as a scratch register. A scratch |
| // register is useful for expanding instructions post-register allocation. |
| // |
| // LR is not considered isInt to avoid being allocated as a register. |
| // It is technically preserved, but save/restore is handled separately, |
| // based on whether or not the function MaybeLeafFunc. |
| #define REGARM32_GPR_TABLE \ |
| /* val, encode, name, scratch, preserved, stackptr, frameptr, \ |
| isInt, isFP32, isFP64, isVec128 */ \ |
| X(Reg_r0, 0, "r0", 1, 0, 0, 0, 1, 0, 0, 0) \ |
| X(Reg_r1, 1, "r1", 1, 0, 0, 0, 1, 0, 0, 0) \ |
| X(Reg_r2, 2, "r2", 1, 0, 0, 0, 1, 0, 0, 0) \ |
| X(Reg_r3, 3, "r3", 1, 0, 0, 0, 1, 0, 0, 0) \ |
| X(Reg_r4, 4, "r4", 0, 1, 0, 0, 1, 0, 0, 0) \ |
| X(Reg_r5, 5, "r5", 0, 1, 0, 0, 1, 0, 0, 0) \ |
| X(Reg_r6, 6, "r6", 0, 1, 0, 0, 1, 0, 0, 0) \ |
| X(Reg_r7, 7, "r7", 0, 1, 0, 0, 1, 0, 0, 0) \ |
| X(Reg_r8, 8, "r8", 0, 1, 0, 0, 1, 0, 0, 0) \ |
| X(Reg_r9, 9, "r9", 0, 1, 0, 0, 0, 0, 0, 0) \ |
| X(Reg_r10, 10, "r10", 0, 1, 0, 0, 1, 0, 0, 0) \ |
| X(Reg_fp, 11, "fp", 0, 1, 0, 1, 1, 0, 0, 0) \ |
| X(Reg_ip, 12, "ip", 1, 0, 0, 0, 0, 0, 0, 0) \ |
| X(Reg_sp, 13, "sp", 0, 0, 1, 0, 0, 0, 0, 0) \ |
| X(Reg_lr, 14, "lr", 0, 0, 0, 0, 0, 0, 0, 0) \ |
| X(Reg_pc, 15, "pc", 0, 0, 0, 0, 0, 0, 0, 0) |
| //#define X(val, encode, name, scratch, preserved, stackptr, frameptr, |
| // isInt, isFP32, isFP64, isVec128) |
| |
| // TODO(jvoung): Be able to grab even registers, and the corresponding odd |
| // register for each even register. Want "register units" to encapsulate |
| // the aliasing/overlap. |
| // |
| // S registers 0-15 are scratch, but 16-31 are preserved. |
| // Regenerate this with the following python script: |
| // |
| // def print_sregs(): |
| // for i in xrange(0, 32): |
| // is_scratch = 1 if i < 16 else 0 |
| // is_preserved = 1 if i >= 16 else 0 |
| // print ('X(Reg_s{regnum:<2}, {regnum:<2}, "s{regnum}", ' + |
| // '{scratch}, {preserved}, 0, 0, 0, 1, 0, 0) \\').format( |
| // regnum=i, scratch=is_scratch, preserved=is_preserved) |
| // |
| // print_sregs() |
| // |
| #define REGARM32_FP32_TABLE \ |
| /* val, encode, name, scratch, preserved, stackptr, frameptr, \ |
| isInt, isFP32, isFP64, isVec128 */ \ |
| X(Reg_s0, 0, "s0", 1, 0, 0, 0, 0, 1, 0, 0) \ |
| X(Reg_s1, 1, "s1", 1, 0, 0, 0, 0, 1, 0, 0) \ |
| X(Reg_s2, 2, "s2", 1, 0, 0, 0, 0, 1, 0, 0) \ |
| X(Reg_s3, 3, "s3", 1, 0, 0, 0, 0, 1, 0, 0) \ |
| X(Reg_s4, 4, "s4", 1, 0, 0, 0, 0, 1, 0, 0) \ |
| X(Reg_s5, 5, "s5", 1, 0, 0, 0, 0, 1, 0, 0) \ |
| X(Reg_s6, 6, "s6", 1, 0, 0, 0, 0, 1, 0, 0) \ |
| X(Reg_s7, 7, "s7", 1, 0, 0, 0, 0, 1, 0, 0) \ |
| X(Reg_s8, 8, "s8", 1, 0, 0, 0, 0, 1, 0, 0) \ |
| X(Reg_s9, 9, "s9", 1, 0, 0, 0, 0, 1, 0, 0) \ |
| X(Reg_s10, 10, "s10", 1, 0, 0, 0, 0, 1, 0, 0) \ |
| X(Reg_s11, 11, "s11", 1, 0, 0, 0, 0, 1, 0, 0) \ |
| X(Reg_s12, 12, "s12", 1, 0, 0, 0, 0, 1, 0, 0) \ |
| X(Reg_s13, 13, "s13", 1, 0, 0, 0, 0, 1, 0, 0) \ |
| X(Reg_s14, 14, "s14", 1, 0, 0, 0, 0, 1, 0, 0) \ |
| X(Reg_s15, 15, "s15", 1, 0, 0, 0, 0, 1, 0, 0) \ |
| X(Reg_s16, 16, "s16", 0, 1, 0, 0, 0, 1, 0, 0) \ |
| X(Reg_s17, 17, "s17", 0, 1, 0, 0, 0, 1, 0, 0) \ |
| X(Reg_s18, 18, "s18", 0, 1, 0, 0, 0, 1, 0, 0) \ |
| X(Reg_s19, 19, "s19", 0, 1, 0, 0, 0, 1, 0, 0) \ |
| X(Reg_s20, 20, "s20", 0, 1, 0, 0, 0, 1, 0, 0) \ |
| X(Reg_s21, 21, "s21", 0, 1, 0, 0, 0, 1, 0, 0) \ |
| X(Reg_s22, 22, "s22", 0, 1, 0, 0, 0, 1, 0, 0) \ |
| X(Reg_s23, 23, "s23", 0, 1, 0, 0, 0, 1, 0, 0) \ |
| X(Reg_s24, 24, "s24", 0, 1, 0, 0, 0, 1, 0, 0) \ |
| X(Reg_s25, 25, "s25", 0, 1, 0, 0, 0, 1, 0, 0) \ |
| X(Reg_s26, 26, "s26", 0, 1, 0, 0, 0, 1, 0, 0) \ |
| X(Reg_s27, 27, "s27", 0, 1, 0, 0, 0, 1, 0, 0) \ |
| X(Reg_s28, 28, "s28", 0, 1, 0, 0, 0, 1, 0, 0) \ |
| X(Reg_s29, 29, "s29", 0, 1, 0, 0, 0, 1, 0, 0) \ |
| X(Reg_s30, 30, "s30", 0, 1, 0, 0, 0, 1, 0, 0) \ |
| X(Reg_s31, 31, "s31", 0, 1, 0, 0, 0, 1, 0, 0) |
| //#define X(val, encode, name, scratch, preserved, stackptr, frameptr, |
| // isInt, isFP32, isFP64, isVec128) |
| |
| // D registers 0-7 are scratch, 8-15 are preserved, and 16-31 |
| // are also scratch (if supported by the D32 feature vs D16). |
| // |
| // Regenerate this with the following python script: |
| // def print_dregs(): |
| // for i in xrange(0, 32): |
| // is_scratch = 1 if (i < 8 or i >= 16) else 0 |
| // is_preserved = 1 if (8 <= i and i < 16) else 0 |
| // print ('X(Reg_d{regnum:<2}, {regnum:<2}, "d{regnum}", ' + |
| // '{scratch}, {preserved}, 0, 0, 0, 0, 1, 0) \\').format( |
| // regnum=i, scratch=is_scratch, preserved=is_preserved) |
| // |
| // print_dregs() |
| // |
| #define REGARM32_FP64_TABLE \ |
| /* val, encode, name, scratch, preserved, stackptr, frameptr, \ |
| isInt, isFP32, isFP64, isVec128 */ \ |
| X(Reg_d0, 0, "d0", 1, 0, 0, 0, 0, 0, 1, 0) \ |
| X(Reg_d1, 1, "d1", 1, 0, 0, 0, 0, 0, 1, 0) \ |
| X(Reg_d2, 2, "d2", 1, 0, 0, 0, 0, 0, 1, 0) \ |
| X(Reg_d3, 3, "d3", 1, 0, 0, 0, 0, 0, 1, 0) \ |
| X(Reg_d4, 4, "d4", 1, 0, 0, 0, 0, 0, 1, 0) \ |
| X(Reg_d5, 5, "d5", 1, 0, 0, 0, 0, 0, 1, 0) \ |
| X(Reg_d6, 6, "d6", 1, 0, 0, 0, 0, 0, 1, 0) \ |
| X(Reg_d7, 7, "d7", 1, 0, 0, 0, 0, 0, 1, 0) \ |
| X(Reg_d8, 8, "d8", 0, 1, 0, 0, 0, 0, 1, 0) \ |
| X(Reg_d9, 9, "d9", 0, 1, 0, 0, 0, 0, 1, 0) \ |
| X(Reg_d10, 10, "d10", 0, 1, 0, 0, 0, 0, 1, 0) \ |
| X(Reg_d11, 11, "d11", 0, 1, 0, 0, 0, 0, 1, 0) \ |
| X(Reg_d12, 12, "d12", 0, 1, 0, 0, 0, 0, 1, 0) \ |
| X(Reg_d13, 13, "d13", 0, 1, 0, 0, 0, 0, 1, 0) \ |
| X(Reg_d14, 14, "d14", 0, 1, 0, 0, 0, 0, 1, 0) \ |
| X(Reg_d15, 15, "d15", 0, 1, 0, 0, 0, 0, 1, 0) \ |
| X(Reg_d16, 16, "d16", 1, 0, 0, 0, 0, 0, 1, 0) \ |
| X(Reg_d17, 17, "d17", 1, 0, 0, 0, 0, 0, 1, 0) \ |
| X(Reg_d18, 18, "d18", 1, 0, 0, 0, 0, 0, 1, 0) \ |
| X(Reg_d19, 19, "d19", 1, 0, 0, 0, 0, 0, 1, 0) \ |
| X(Reg_d20, 20, "d20", 1, 0, 0, 0, 0, 0, 1, 0) \ |
| X(Reg_d21, 21, "d21", 1, 0, 0, 0, 0, 0, 1, 0) \ |
| X(Reg_d22, 22, "d22", 1, 0, 0, 0, 0, 0, 1, 0) \ |
| X(Reg_d23, 23, "d23", 1, 0, 0, 0, 0, 0, 1, 0) \ |
| X(Reg_d24, 24, "d24", 1, 0, 0, 0, 0, 0, 1, 0) \ |
| X(Reg_d25, 25, "d25", 1, 0, 0, 0, 0, 0, 1, 0) \ |
| X(Reg_d26, 26, "d26", 1, 0, 0, 0, 0, 0, 1, 0) \ |
| X(Reg_d27, 27, "d27", 1, 0, 0, 0, 0, 0, 1, 0) \ |
| X(Reg_d28, 28, "d28", 1, 0, 0, 0, 0, 0, 1, 0) \ |
| X(Reg_d29, 29, "d29", 1, 0, 0, 0, 0, 0, 1, 0) \ |
| X(Reg_d30, 30, "d30", 1, 0, 0, 0, 0, 0, 1, 0) \ |
| X(Reg_d31, 31, "d31", 1, 0, 0, 0, 0, 0, 1, 0) |
| //#define X(val, encode, name, scratch, preserved, stackptr, frameptr, |
| // isInt, isFP32, isFP64, isVec128) |
| |
| // Q registers 0-3 are scratch, 4-7 are preserved, and 8-15 |
| // are also scratch (if supported by the D32 feature). |
| // |
| // Regenerate this with the following python script: |
| // def print_qregs(): |
| // for i in xrange(0, 16): |
| // is_scratch = 1 if (i < 4 or i >= 8) else 0 |
| // is_preserved = 1 if (4 <= i and i < 8) else 0 |
| // print ('X(Reg_q{regnum:<2}, {regnum:<2}, "q{regnum}", ' + |
| // '{scratch}, {preserved}, 0, 0, 0, 0, 0, 1) \\').format( |
| // regnum=i, scratch=is_scratch, preserved=is_preserved) |
| // |
| // print_qregs() |
| // |
| #define REGARM32_VEC128_TABLE \ |
| /* val, encode, name, scratch, preserved, stackptr, frameptr, \ |
| isInt, isFP32, isFP64, isVec128 */ \ |
| X(Reg_q0, 0, "q0", 1, 0, 0, 0, 0, 0, 0, 1) \ |
| X(Reg_q1, 1, "q1", 1, 0, 0, 0, 0, 0, 0, 1) \ |
| X(Reg_q2, 2, "q2", 1, 0, 0, 0, 0, 0, 0, 1) \ |
| X(Reg_q3, 3, "q3", 1, 0, 0, 0, 0, 0, 0, 1) \ |
| X(Reg_q4, 4, "q4", 0, 1, 0, 0, 0, 0, 0, 1) \ |
| X(Reg_q5, 5, "q5", 0, 1, 0, 0, 0, 0, 0, 1) \ |
| X(Reg_q6, 6, "q6", 0, 1, 0, 0, 0, 0, 0, 1) \ |
| X(Reg_q7, 7, "q7", 0, 1, 0, 0, 0, 0, 0, 1) \ |
| X(Reg_q8, 8, "q8", 1, 0, 0, 0, 0, 0, 0, 1) \ |
| X(Reg_q9, 9, "q9", 1, 0, 0, 0, 0, 0, 0, 1) \ |
| X(Reg_q10, 10, "q10", 1, 0, 0, 0, 0, 0, 0, 1) \ |
| X(Reg_q11, 11, "q11", 1, 0, 0, 0, 0, 0, 0, 1) \ |
| X(Reg_q12, 12, "q12", 1, 0, 0, 0, 0, 0, 0, 1) \ |
| X(Reg_q13, 13, "q13", 1, 0, 0, 0, 0, 0, 0, 1) \ |
| X(Reg_q14, 14, "q14", 1, 0, 0, 0, 0, 0, 0, 1) \ |
| X(Reg_q15, 15, "q15", 1, 0, 0, 0, 0, 0, 0, 1) |
| //#define X(val, encode, name, scratch, preserved, stackptr, frameptr, |
| // isInt, isFP32, isFP64, isVec128) |
| |
| // We also provide a combined table, so that there is a namespace where |
| // all of the registers are considered and have distinct numberings. |
| // This is in contrast to the above, where the "encode" is based on how |
| // the register numbers will be encoded in binaries and values can overlap. |
| #define REGARM32_TABLE \ |
| /* val, encode, name, scratch, preserved, stackptr, frameptr, isInt, \ |
| isFP32, isFP64, isVec128 */ \ |
| REGARM32_GPR_TABLE \ |
| REGARM32_FP32_TABLE \ |
| REGARM32_FP64_TABLE \ |
| REGARM32_VEC128_TABLE |
| //#define X(val, encode, name, scratch, preserved, stackptr, frameptr, |
| // isInt, isFP32, isFP64, isVec128) |
| |
| #define REGARM32_TABLE_BOUNDS \ |
| /* val, init */ \ |
| X(Reg_GPR_First, = Reg_r0) \ |
| X(Reg_GPR_Last, = Reg_pc) \ |
| X(Reg_SREG_First, = Reg_s0) \ |
| X(Reg_SREG_Last, = Reg_s31) \ |
| X(Reg_DREG_First, = Reg_d0) \ |
| X(Reg_DREG_Last, = Reg_d31) \ |
| X(Reg_QREG_First, = Reg_q0) \ |
| X(Reg_QREG_Last, = Reg_q15) |
| // define X(val, init) |
| |
| // Load/Store instruction width suffixes and FP/Vector element size suffixes |
| // the # of offset bits allowed as part of an addressing mode (for sign or |
| // zero extending load/stores). |
| #define ICETYPEARM32_TABLE \ |
| /* tag, element type, int_width, vec_width, addr bits sext, zext */ \ |
| X(IceType_void, IceType_void, "", "", 0, 0) \ |
| X(IceType_i1, IceType_void, "b", "", 8, 12) \ |
| X(IceType_i8, IceType_void, "b", "", 8, 12) \ |
| X(IceType_i16, IceType_void, "h", "", 8, 8) \ |
| X(IceType_i32, IceType_void, "", "", 12, 12) \ |
| X(IceType_i64, IceType_void, "d", "", 8, 8) \ |
| X(IceType_f32, IceType_void, "", ".f32", 10, 10) \ |
| X(IceType_f64, IceType_void, "", ".f64", 10, 10) \ |
| X(IceType_v4i1, IceType_i32, "", ".i32", 0, 0) \ |
| X(IceType_v8i1, IceType_i16, "", ".i16", 0, 0) \ |
| X(IceType_v16i1, IceType_i8, "", ".i8", 0, 0) \ |
| X(IceType_v16i8, IceType_i8, "", ".i8", 0, 0) \ |
| X(IceType_v8i16, IceType_i16, "", ".i16", 0, 0) \ |
| X(IceType_v4i32, IceType_i32, "", ".i32", 0, 0) \ |
| X(IceType_v4f32, IceType_f32, "", ".f32", 0, 0) |
| //#define X(tag, elementty, int_width, vec_width, sbits, ubits) |
| |
| // Shifter types for Data-processing operands as defined in section A5.1.2. |
| #define ICEINSTARM32SHIFT_TABLE \ |
| /* enum value, emit */ \ |
| X(LSL, "lsl") \ |
| X(LSR, "lsr") \ |
| X(ASR, "asr") \ |
| X(ROR, "ror") \ |
| X(RRX, "rrx") |
| //#define X(tag, emit) |
| |
| // Attributes for the condition code 4-bit encoding (that is independent |
| // of the APSR's NZCV fields). For example, EQ is 0, but corresponds to |
| // Z = 1, and NE is 1, but corresponds to Z = 0. |
| #define ICEINSTARM32COND_TABLE \ |
| /* enum value, encoding, opposite, emit */ \ |
| X(EQ, 0, NE, "eq") /* equal */ \ |
| X(NE, 1, EQ, "ne") /* not equal */ \ |
| X(CS, 2, CC, "cs") /* carry set/unsigned (AKA hs: higher or same) */ \ |
| X(CC, 3, CS, "cc") /* carry clear/unsigned (AKA lo: lower) */ \ |
| X(MI, 4, PL, "mi") /* minus/negative */ \ |
| X(PL, 5, MI, "pl") /* plus/positive or zero */ \ |
| X(VS, 6, VC, "vs") /* overflow (float unordered) */ \ |
| X(VC, 7, VS, "vc") /* no overflow (float not unordered) */ \ |
| X(HI, 8, LS, "hi") /* unsigned higher */ \ |
| X(LS, 9, HI, "ls") /* unsigned lower or same */ \ |
| X(GE, 10, LT, "ge") /* signed greater than or equal */ \ |
| X(LT, 11, GE, "lt") /* signed less than */ \ |
| X(GT, 12, LE, "gt") /* signed greater than */ \ |
| X(LE, 13, GT, "le") /* signed less than or equal */ \ |
| X(AL, 14, kNone, "") /* always (unconditional) */ \ |
| X(kNone, 15, kNone, "??") /* special condition / none */ |
| //#define(tag, encode, opp, emit) |
| |
| #endif // SUBZERO_SRC_ICEINSTARM32_DEF |