| /* |
| * Copyright (C) 2011 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef ART_SRC_COMPILER_CODEGEN_ARM_ARMLIR_H_ |
| #define ART_SRC_COMPILER_CODEGEN_ARM_ARMLIR_H_ |
| |
| #include "compiler/compiler_internals.h" |
| |
| namespace art { |
| |
| /* |
| * Runtime register usage conventions. |
| * |
| * r0-r3: Argument registers in both Dalvik and C/C++ conventions. |
| * However, for Dalvik->Dalvik calls we'll pass the target's Method* |
| * pointer in r0 as a hidden arg0. Otherwise used as codegen scratch |
| * registers. |
| * r0-r1: As in C/C++ r0 is 32-bit return register and r0/r1 is 64-bit |
| * r4 : (rARM_SUSPEND) is reserved (suspend check/debugger assist) |
| * r5 : Callee save (promotion target) |
| * r6 : Callee save (promotion target) |
| * r7 : Callee save (promotion target) |
| * r8 : Callee save (promotion target) |
| * r9 : (rARM_SELF) is reserved (pointer to thread-local storage) |
| * r10 : Callee save (promotion target) |
| * r11 : Callee save (promotion target) |
| * r12 : Scratch, may be trashed by linkage stubs |
| * r13 : (sp) is reserved |
| * r14 : (lr) is reserved |
| * r15 : (pc) is reserved |
| * |
| * 5 core temps that codegen can use (r0, r1, r2, r3, r12) |
| * 7 core registers that can be used for promotion |
| * |
| * Floating pointer registers |
| * s0-s31 |
| * d0-d15, where d0={s0,s1}, d1={s2,s3}, ... , d15={s30,s31} |
| * |
| * s16-s31 (d8-d15) preserved across C calls |
| * s0-s15 (d0-d7) trashed across C calls |
| * |
| * s0-s15/d0-d7 used as codegen temp/scratch |
| * s16-s31/d8-d31 can be used for promotion. |
| * |
| * Calling convention |
| * o On a call to a Dalvik method, pass target's Method* in r0 |
| * o r1-r3 will be used for up to the first 3 words of arguments |
| * o Arguments past the first 3 words will be placed in appropriate |
| * out slots by the caller. |
| * o If a 64-bit argument would span the register/memory argument |
| * boundary, it will instead be fully passed in the frame. |
| * o Maintain a 16-byte stack alignment |
| * |
| * Stack frame diagram (stack grows down, higher addresses at top): |
| * |
| * +------------------------+ |
| * | IN[ins-1] | {Note: resides in caller's frame} |
| * | . | |
| * | IN[0] | |
| * | caller's Method* | |
| * +========================+ {Note: start of callee's frame} |
| * | spill region | {variable sized - will include lr if non-leaf.} |
| * +------------------------+ |
| * | ...filler word... | {Note: used as 2nd word of V[locals-1] if long] |
| * +------------------------+ |
| * | V[locals-1] | |
| * | V[locals-2] | |
| * | . | |
| * | . | |
| * | V[1] | |
| * | V[0] | |
| * +------------------------+ |
| * | 0 to 3 words padding | |
| * +------------------------+ |
| * | OUT[outs-1] | |
| * | OUT[outs-2] | |
| * | . | |
| * | OUT[0] | |
| * | cur_method* | <<== sp w/ 16-byte alignment |
| * +========================+ |
| */ |
| |
| // Offset to distingish FP regs. |
| #define ARM_FP_REG_OFFSET 32 |
| // Offset to distinguish DP FP regs. |
| #define ARM_FP_DOUBLE 64 |
| // First FP callee save. |
| #define ARM_FP_CALLEE_SAVE_BASE 16 |
| // Reg types. |
| #define ARM_REGTYPE(x) (x & (ARM_FP_REG_OFFSET | ARM_FP_DOUBLE)) |
| #define ARM_FPREG(x) ((x & ARM_FP_REG_OFFSET) == ARM_FP_REG_OFFSET) |
| #define ARM_LOWREG(x) ((x & 0x7) == x) |
| #define ARM_DOUBLEREG(x) ((x & ARM_FP_DOUBLE) == ARM_FP_DOUBLE) |
| #define ARM_SINGLEREG(x) (ARM_FPREG(x) && !ARM_DOUBLEREG(x)) |
| |
| /* |
| * Note: the low register of a floating point pair is sufficient to |
| * create the name of a double, but require both names to be passed to |
| * allow for asserts to verify that the pair is consecutive if significant |
| * rework is done in this area. Also, it is a good reminder in the calling |
| * code that reg locations always describe doubles as a pair of singles. |
| */ |
| #define ARM_S2D(x,y) ((x) | ARM_FP_DOUBLE) |
| // Mask to strip off fp flags. |
| #define ARM_FP_REG_MASK (ARM_FP_REG_OFFSET-1) |
| |
| // RegisterLocation templates return values (r0, or r0/r1). |
| #define ARM_LOC_C_RETURN {kLocPhysReg, 0, 0, 0, 0, 0, 0, 0, 1, r0, INVALID_REG,\ |
| INVALID_SREG, INVALID_SREG} |
| #define ARM_LOC_C_RETURN_WIDE {kLocPhysReg, 1, 0, 0, 0, 0, 0, 0, 1, r0, r1, \ |
| INVALID_SREG, INVALID_SREG} |
| #define ARM_LOC_C_RETURN_FLOAT ARM_LOC_C_RETURN |
| #define ARM_LOC_C_RETURN_DOUBLE ARM_LOC_C_RETURN_WIDE |
| |
| enum ArmResourceEncodingPos { |
| kArmGPReg0 = 0, |
| kArmRegSP = 13, |
| kArmRegLR = 14, |
| kArmRegPC = 15, |
| kArmFPReg0 = 16, |
| kArmFPReg16 = 32, |
| kArmRegEnd = 48, |
| }; |
| |
| #define ENCODE_ARM_REG_LIST(N) (static_cast<uint64_t>(N)) |
| #define ENCODE_ARM_REG_SP (1ULL << kArmRegSP) |
| #define ENCODE_ARM_REG_LR (1ULL << kArmRegLR) |
| #define ENCODE_ARM_REG_PC (1ULL << kArmRegPC) |
| #define ENCODE_ARM_REG_FPCS_LIST(N) (static_cast<uint64_t>(N) << kArmFPReg16) |
| |
| enum ArmNativeRegisterPool { |
| r0 = 0, |
| r1 = 1, |
| r2 = 2, |
| r3 = 3, |
| rARM_SUSPEND = 4, |
| r5 = 5, |
| r6 = 6, |
| r7 = 7, |
| r8 = 8, |
| rARM_SELF = 9, |
| r10 = 10, |
| r11 = 11, |
| r12 = 12, |
| r13sp = 13, |
| rARM_SP = 13, |
| r14lr = 14, |
| rARM_LR = 14, |
| r15pc = 15, |
| rARM_PC = 15, |
| fr0 = 0 + ARM_FP_REG_OFFSET, |
| fr1 = 1 + ARM_FP_REG_OFFSET, |
| fr2 = 2 + ARM_FP_REG_OFFSET, |
| fr3 = 3 + ARM_FP_REG_OFFSET, |
| fr4 = 4 + ARM_FP_REG_OFFSET, |
| fr5 = 5 + ARM_FP_REG_OFFSET, |
| fr6 = 6 + ARM_FP_REG_OFFSET, |
| fr7 = 7 + ARM_FP_REG_OFFSET, |
| fr8 = 8 + ARM_FP_REG_OFFSET, |
| fr9 = 9 + ARM_FP_REG_OFFSET, |
| fr10 = 10 + ARM_FP_REG_OFFSET, |
| fr11 = 11 + ARM_FP_REG_OFFSET, |
| fr12 = 12 + ARM_FP_REG_OFFSET, |
| fr13 = 13 + ARM_FP_REG_OFFSET, |
| fr14 = 14 + ARM_FP_REG_OFFSET, |
| fr15 = 15 + ARM_FP_REG_OFFSET, |
| fr16 = 16 + ARM_FP_REG_OFFSET, |
| fr17 = 17 + ARM_FP_REG_OFFSET, |
| fr18 = 18 + ARM_FP_REG_OFFSET, |
| fr19 = 19 + ARM_FP_REG_OFFSET, |
| fr20 = 20 + ARM_FP_REG_OFFSET, |
| fr21 = 21 + ARM_FP_REG_OFFSET, |
| fr22 = 22 + ARM_FP_REG_OFFSET, |
| fr23 = 23 + ARM_FP_REG_OFFSET, |
| fr24 = 24 + ARM_FP_REG_OFFSET, |
| fr25 = 25 + ARM_FP_REG_OFFSET, |
| fr26 = 26 + ARM_FP_REG_OFFSET, |
| fr27 = 27 + ARM_FP_REG_OFFSET, |
| fr28 = 28 + ARM_FP_REG_OFFSET, |
| fr29 = 29 + ARM_FP_REG_OFFSET, |
| fr30 = 30 + ARM_FP_REG_OFFSET, |
| fr31 = 31 + ARM_FP_REG_OFFSET, |
| dr0 = fr0 + ARM_FP_DOUBLE, |
| dr1 = fr2 + ARM_FP_DOUBLE, |
| dr2 = fr4 + ARM_FP_DOUBLE, |
| dr3 = fr6 + ARM_FP_DOUBLE, |
| dr4 = fr8 + ARM_FP_DOUBLE, |
| dr5 = fr10 + ARM_FP_DOUBLE, |
| dr6 = fr12 + ARM_FP_DOUBLE, |
| dr7 = fr14 + ARM_FP_DOUBLE, |
| dr8 = fr16 + ARM_FP_DOUBLE, |
| dr9 = fr18 + ARM_FP_DOUBLE, |
| dr10 = fr20 + ARM_FP_DOUBLE, |
| dr11 = fr22 + ARM_FP_DOUBLE, |
| dr12 = fr24 + ARM_FP_DOUBLE, |
| dr13 = fr26 + ARM_FP_DOUBLE, |
| dr14 = fr28 + ARM_FP_DOUBLE, |
| dr15 = fr30 + ARM_FP_DOUBLE, |
| }; |
| |
| // Target-independent aliases. |
| #define rARM_ARG0 r0 |
| #define rARM_ARG1 r1 |
| #define rARM_ARG2 r2 |
| #define rARM_ARG3 r3 |
| #define rARM_FARG0 r0 |
| #define rARM_FARG1 r1 |
| #define rARM_FARG2 r2 |
| #define rARM_FARG3 r3 |
| #define rARM_RET0 r0 |
| #define rARM_RET1 r1 |
| #define rARM_INVOKE_TGT rARM_LR |
| #define rARM_COUNT INVALID_REG |
| |
| enum ArmShiftEncodings { |
| kArmLsl = 0x0, |
| kArmLsr = 0x1, |
| kArmAsr = 0x2, |
| kArmRor = 0x3 |
| }; |
| |
| /* |
| * The following enum defines the list of supported Thumb instructions by the |
| * assembler. Their corresponding EncodingMap positions will be defined in |
| * Assemble.cc. |
| */ |
| enum ArmOpcode { |
| kArmFirst = 0, |
| kArm16BitData = kArmFirst, // DATA [0] rd[15..0]. |
| kThumbAdcRR, // adc [0100000101] rm[5..3] rd[2..0]. |
| kThumbAddRRI3, // add(1) [0001110] imm_3[8..6] rn[5..3] rd[2..0]*/ |
| kThumbAddRI8, // add(2) [00110] rd[10..8] imm_8[7..0]. |
| kThumbAddRRR, // add(3) [0001100] rm[8..6] rn[5..3] rd[2..0]. |
| kThumbAddRRLH, // add(4) [01000100] H12[01] rm[5..3] rd[2..0]. |
| kThumbAddRRHL, // add(4) [01001000] H12[10] rm[5..3] rd[2..0]. |
| kThumbAddRRHH, // add(4) [01001100] H12[11] rm[5..3] rd[2..0]. |
| kThumbAddPcRel, // add(5) [10100] rd[10..8] imm_8[7..0]. |
| kThumbAddSpRel, // add(6) [10101] rd[10..8] imm_8[7..0]. |
| kThumbAddSpI7, // add(7) [101100000] imm_7[6..0]. |
| kThumbAndRR, // and [0100000000] rm[5..3] rd[2..0]. |
| kThumbAsrRRI5, // asr(1) [00010] imm_5[10..6] rm[5..3] rd[2..0]. |
| kThumbAsrRR, // asr(2) [0100000100] rs[5..3] rd[2..0]. |
| kThumbBCond, // b(1) [1101] cond[11..8] offset_8[7..0]. |
| kThumbBUncond, // b(2) [11100] offset_11[10..0]. |
| kThumbBicRR, // bic [0100001110] rm[5..3] rd[2..0]. |
| kThumbBkpt, // bkpt [10111110] imm_8[7..0]. |
| kThumbBlx1, // blx(1) [111] H[10] offset_11[10..0]. |
| kThumbBlx2, // blx(1) [111] H[01] offset_11[10..0]. |
| kThumbBl1, // blx(1) [111] H[10] offset_11[10..0]. |
| kThumbBl2, // blx(1) [111] H[11] offset_11[10..0]. |
| kThumbBlxR, // blx(2) [010001111] rm[6..3] [000]. |
| kThumbBx, // bx [010001110] H2[6..6] rm[5..3] SBZ[000]. |
| kThumbCmnRR, // cmn [0100001011] rm[5..3] rd[2..0]. |
| kThumbCmpRI8, // cmp(1) [00101] rn[10..8] imm_8[7..0]. |
| kThumbCmpRR, // cmp(2) [0100001010] rm[5..3] rd[2..0]. |
| kThumbCmpLH, // cmp(3) [01000101] H12[01] rm[5..3] rd[2..0]. |
| kThumbCmpHL, // cmp(3) [01000110] H12[10] rm[5..3] rd[2..0]. |
| kThumbCmpHH, // cmp(3) [01000111] H12[11] rm[5..3] rd[2..0]. |
| kThumbEorRR, // eor [0100000001] rm[5..3] rd[2..0]. |
| kThumbLdmia, // ldmia [11001] rn[10..8] reglist [7..0]. |
| kThumbLdrRRI5, // ldr(1) [01101] imm_5[10..6] rn[5..3] rd[2..0]. |
| kThumbLdrRRR, // ldr(2) [0101100] rm[8..6] rn[5..3] rd[2..0]. |
| kThumbLdrPcRel, // ldr(3) [01001] rd[10..8] imm_8[7..0]. |
| kThumbLdrSpRel, // ldr(4) [10011] rd[10..8] imm_8[7..0]. |
| kThumbLdrbRRI5, // ldrb(1) [01111] imm_5[10..6] rn[5..3] rd[2..0]. |
| kThumbLdrbRRR, // ldrb(2) [0101110] rm[8..6] rn[5..3] rd[2..0]. |
| kThumbLdrhRRI5, // ldrh(1) [10001] imm_5[10..6] rn[5..3] rd[2..0]. |
| kThumbLdrhRRR, // ldrh(2) [0101101] rm[8..6] rn[5..3] rd[2..0]. |
| kThumbLdrsbRRR, // ldrsb [0101011] rm[8..6] rn[5..3] rd[2..0]. |
| kThumbLdrshRRR, // ldrsh [0101111] rm[8..6] rn[5..3] rd[2..0]. |
| kThumbLslRRI5, // lsl(1) [00000] imm_5[10..6] rm[5..3] rd[2..0]. |
| kThumbLslRR, // lsl(2) [0100000010] rs[5..3] rd[2..0]. |
| kThumbLsrRRI5, // lsr(1) [00001] imm_5[10..6] rm[5..3] rd[2..0]. |
| kThumbLsrRR, // lsr(2) [0100000011] rs[5..3] rd[2..0]. |
| kThumbMovImm, // mov(1) [00100] rd[10..8] imm_8[7..0]. |
| kThumbMovRR, // mov(2) [0001110000] rn[5..3] rd[2..0]. |
| kThumbMovRR_H2H, // mov(3) [01000111] H12[11] rm[5..3] rd[2..0]. |
| kThumbMovRR_H2L, // mov(3) [01000110] H12[01] rm[5..3] rd[2..0]. |
| kThumbMovRR_L2H, // mov(3) [01000101] H12[10] rm[5..3] rd[2..0]. |
| kThumbMul, // mul [0100001101] rm[5..3] rd[2..0]. |
| kThumbMvn, // mvn [0100001111] rm[5..3] rd[2..0]. |
| kThumbNeg, // neg [0100001001] rm[5..3] rd[2..0]. |
| kThumbOrr, // orr [0100001100] rm[5..3] rd[2..0]. |
| kThumbPop, // pop [1011110] r[8..8] rl[7..0]. |
| kThumbPush, // push [1011010] r[8..8] rl[7..0]. |
| kThumbRorRR, // ror [0100000111] rs[5..3] rd[2..0]. |
| kThumbSbc, // sbc [0100000110] rm[5..3] rd[2..0]. |
| kThumbStmia, // stmia [11000] rn[10..8] reglist [7.. 0]. |
| kThumbStrRRI5, // str(1) [01100] imm_5[10..6] rn[5..3] rd[2..0]. |
| kThumbStrRRR, // str(2) [0101000] rm[8..6] rn[5..3] rd[2..0]. |
| kThumbStrSpRel, // str(3) [10010] rd[10..8] imm_8[7..0]. |
| kThumbStrbRRI5, // strb(1) [01110] imm_5[10..6] rn[5..3] rd[2..0]. |
| kThumbStrbRRR, // strb(2) [0101010] rm[8..6] rn[5..3] rd[2..0]. |
| kThumbStrhRRI5, // strh(1) [10000] imm_5[10..6] rn[5..3] rd[2..0]. |
| kThumbStrhRRR, // strh(2) [0101001] rm[8..6] rn[5..3] rd[2..0]. |
| kThumbSubRRI3, // sub(1) [0001111] imm_3[8..6] rn[5..3] rd[2..0]*/ |
| kThumbSubRI8, // sub(2) [00111] rd[10..8] imm_8[7..0]. |
| kThumbSubRRR, // sub(3) [0001101] rm[8..6] rn[5..3] rd[2..0]. |
| kThumbSubSpI7, // sub(4) [101100001] imm_7[6..0]. |
| kThumbSwi, // swi [11011111] imm_8[7..0]. |
| kThumbTst, // tst [0100001000] rm[5..3] rn[2..0]. |
| kThumb2Vldrs, // vldr low sx [111011011001] rn[19..16] rd[15-12] [1010] imm_8[7..0]. |
| kThumb2Vldrd, // vldr low dx [111011011001] rn[19..16] rd[15-12] [1011] imm_8[7..0]. |
| kThumb2Vmuls, // vmul vd, vn, vm [111011100010] rn[19..16] rd[15-12] [10100000] rm[3..0]. |
| kThumb2Vmuld, // vmul vd, vn, vm [111011100010] rn[19..16] rd[15-12] [10110000] rm[3..0]. |
| kThumb2Vstrs, // vstr low sx [111011011000] rn[19..16] rd[15-12] [1010] imm_8[7..0]. |
| kThumb2Vstrd, // vstr low dx [111011011000] rn[19..16] rd[15-12] [1011] imm_8[7..0]. |
| kThumb2Vsubs, // vsub vd, vn, vm [111011100011] rn[19..16] rd[15-12] [10100040] rm[3..0]. |
| kThumb2Vsubd, // vsub vd, vn, vm [111011100011] rn[19..16] rd[15-12] [10110040] rm[3..0]. |
| kThumb2Vadds, // vadd vd, vn, vm [111011100011] rn[19..16] rd[15-12] [10100000] rm[3..0]. |
| kThumb2Vaddd, // vadd vd, vn, vm [111011100011] rn[19..16] rd[15-12] [10110000] rm[3..0]. |
| kThumb2Vdivs, // vdiv vd, vn, vm [111011101000] rn[19..16] rd[15-12] [10100000] rm[3..0]. |
| kThumb2Vdivd, // vdiv vd, vn, vm [111011101000] rn[19..16] rd[15-12] [10110000] rm[3..0]. |
| kThumb2VcvtIF, // vcvt.F32 vd, vm [1110111010111000] vd[15..12] [10101100] vm[3..0]. |
| kThumb2VcvtID, // vcvt.F64 vd, vm [1110111010111000] vd[15..12] [10111100] vm[3..0]. |
| kThumb2VcvtFI, // vcvt.S32.F32 vd, vm [1110111010111101] vd[15..12] [10101100] vm[3..0]. |
| kThumb2VcvtDI, // vcvt.S32.F32 vd, vm [1110111010111101] vd[15..12] [10111100] vm[3..0]. |
| kThumb2VcvtFd, // vcvt.F64.F32 vd, vm [1110111010110111] vd[15..12] [10101100] vm[3..0]. |
| kThumb2VcvtDF, // vcvt.F32.F64 vd, vm [1110111010110111] vd[15..12] [10111100] vm[3..0]. |
| kThumb2Vsqrts, // vsqrt.f32 vd, vm [1110111010110001] vd[15..12] [10101100] vm[3..0]. |
| kThumb2Vsqrtd, // vsqrt.f64 vd, vm [1110111010110001] vd[15..12] [10111100] vm[3..0]. |
| kThumb2MovImmShift,// mov(T2) rd, #<const> [11110] i [00001001111] imm3 rd[11..8] imm8. |
| kThumb2MovImm16, // mov(T3) rd, #<const> [11110] i [0010100] imm4 [0] imm3 rd[11..8] imm8. |
| kThumb2StrRRI12, // str(Imm,T3) rd,[rn,#imm12] [111110001100] rn[19..16] rt[15..12] imm12[11..0]. |
| kThumb2LdrRRI12, // str(Imm,T3) rd,[rn,#imm12] [111110001100] rn[19..16] rt[15..12] imm12[11..0]. |
| kThumb2StrRRI8Predec, // str(Imm,T4) rd,[rn,#-imm8] [111110000100] rn[19..16] rt[15..12] [1100] imm[7..0]*/ |
| kThumb2LdrRRI8Predec, // ldr(Imm,T4) rd,[rn,#-imm8] [111110000101] rn[19..16] rt[15..12] [1100] imm[7..0]*/ |
| kThumb2Cbnz, // cbnz rd,<label> [101110] i [1] imm5[7..3] rn[2..0]. |
| kThumb2Cbz, // cbn rd,<label> [101100] i [1] imm5[7..3] rn[2..0]. |
| kThumb2AddRRI12, // add rd, rn, #imm12 [11110] i [100000] rn[19..16] [0] imm3[14..12] rd[11..8] imm8[7..0]. |
| kThumb2MovRR, // mov rd, rm [11101010010011110000] rd[11..8] [0000] rm[3..0]. |
| kThumb2Vmovs, // vmov.f32 vd, vm [111011101] D [110000] vd[15..12] 101001] M [0] vm[3..0]. |
| kThumb2Vmovd, // vmov.f64 vd, vm [111011101] D [110000] vd[15..12] 101101] M [0] vm[3..0]. |
| kThumb2Ldmia, // ldmia [111010001001[ rn[19..16] mask[15..0]. |
| kThumb2Stmia, // stmia [111010001000[ rn[19..16] mask[15..0]. |
| kThumb2AddRRR, // add [111010110000] rn[19..16] [0000] rd[11..8] [0000] rm[3..0]. |
| kThumb2SubRRR, // sub [111010111010] rn[19..16] [0000] rd[11..8] [0000] rm[3..0]. |
| kThumb2SbcRRR, // sbc [111010110110] rn[19..16] [0000] rd[11..8] [0000] rm[3..0]. |
| kThumb2CmpRR, // cmp [111010111011] rn[19..16] [0000] [1111] [0000] rm[3..0]. |
| kThumb2SubRRI12, // sub rd, rn, #imm12 [11110] i [01010] rn[19..16] [0] imm3[14..12] rd[11..8] imm8[7..0]. |
| kThumb2MvnImm12, // mov(T2) rd, #<const> [11110] i [00011011110] imm3 rd[11..8] imm8. |
| kThumb2Sel, // sel rd, rn, rm [111110101010] rn[19-16] rd[11-8] rm[3-0]. |
| kThumb2Ubfx, // ubfx rd,rn,#lsb,#width [111100111100] rn[19..16] [0] imm3[14-12] rd[11-8] w[4-0]. |
| kThumb2Sbfx, // ubfx rd,rn,#lsb,#width [111100110100] rn[19..16] [0] imm3[14-12] rd[11-8] w[4-0]. |
| kThumb2LdrRRR, // ldr rt,[rn,rm,LSL #imm] [111110000101] rn[19-16] rt[15-12] [000000] imm[5-4] rm[3-0]. |
| kThumb2LdrhRRR, // ldrh rt,[rn,rm,LSL #imm] [111110000101] rn[19-16] rt[15-12] [000000] imm[5-4] rm[3-0]. |
| kThumb2LdrshRRR, // ldrsh rt,[rn,rm,LSL #imm] [111110000101] rn[19-16] rt[15-12] [000000] imm[5-4] rm[3-0]. |
| kThumb2LdrbRRR, // ldrb rt,[rn,rm,LSL #imm] [111110000101] rn[19-16] rt[15-12] [000000] imm[5-4] rm[3-0]. |
| kThumb2LdrsbRRR, // ldrsb rt,[rn,rm,LSL #imm] [111110000101] rn[19-16] rt[15-12] [000000] imm[5-4] rm[3-0]. |
| kThumb2StrRRR, // str rt,[rn,rm,LSL #imm] [111110000100] rn[19-16] rt[15-12] [000000] imm[5-4] rm[3-0]. |
| kThumb2StrhRRR, // str rt,[rn,rm,LSL #imm] [111110000010] rn[19-16] rt[15-12] [000000] imm[5-4] rm[3-0]. |
| kThumb2StrbRRR, // str rt,[rn,rm,LSL #imm] [111110000000] rn[19-16] rt[15-12] [000000] imm[5-4] rm[3-0]. |
| kThumb2LdrhRRI12, // ldrh rt,[rn,#imm12] [111110001011] rt[15..12] rn[19..16] imm12[11..0]. |
| kThumb2LdrshRRI12, // ldrsh rt,[rn,#imm12] [111110011011] rt[15..12] rn[19..16] imm12[11..0]. |
| kThumb2LdrbRRI12, // ldrb rt,[rn,#imm12] [111110001001] rt[15..12] rn[19..16] imm12[11..0]. |
| kThumb2LdrsbRRI12, // ldrsb rt,[rn,#imm12] [111110011001] rt[15..12] rn[19..16] imm12[11..0]. |
| kThumb2StrhRRI12, // strh rt,[rn,#imm12] [111110001010] rt[15..12] rn[19..16] imm12[11..0]. |
| kThumb2StrbRRI12, // strb rt,[rn,#imm12] [111110001000] rt[15..12] rn[19..16] imm12[11..0]. |
| kThumb2Pop, // pop [1110100010111101] list[15-0]*/ |
| kThumb2Push, // push [1110100100101101] list[15-0]*/ |
| kThumb2CmpRI8, // cmp rn, #<const> [11110] i [011011] rn[19-16] [0] imm3 [1111] imm8[7..0]. |
| kThumb2AdcRRR, // adc [111010110101] rn[19..16] [0000] rd[11..8] [0000] rm[3..0]. |
| kThumb2AndRRR, // and [111010100000] rn[19..16] [0000] rd[11..8] [0000] rm[3..0]. |
| kThumb2BicRRR, // bic [111010100010] rn[19..16] [0000] rd[11..8] [0000] rm[3..0]. |
| kThumb2CmnRR, // cmn [111010110001] rn[19..16] [0000] [1111] [0000] rm[3..0]. |
| kThumb2EorRRR, // eor [111010101000] rn[19..16] [0000] rd[11..8] [0000] rm[3..0]. |
| kThumb2MulRRR, // mul [111110110000] rn[19..16] [1111] rd[11..8] [0000] rm[3..0]. |
| kThumb2MnvRR, // mvn [11101010011011110] rd[11-8] [0000] rm[3..0]. |
| kThumb2RsubRRI8, // rsub [111100011100] rn[19..16] [0000] rd[11..8] imm8[7..0]. |
| kThumb2NegRR, // actually rsub rd, rn, #0. |
| kThumb2OrrRRR, // orr [111010100100] rn[19..16] [0000] rd[11..8] [0000] rm[3..0]. |
| kThumb2TstRR, // tst [111010100001] rn[19..16] [0000] [1111] [0000] rm[3..0]. |
| kThumb2LslRRR, // lsl [111110100000] rn[19..16] [1111] rd[11..8] [0000] rm[3..0]. |
| kThumb2LsrRRR, // lsr [111110100010] rn[19..16] [1111] rd[11..8] [0000] rm[3..0]. |
| kThumb2AsrRRR, // asr [111110100100] rn[19..16] [1111] rd[11..8] [0000] rm[3..0]. |
| kThumb2RorRRR, // ror [111110100110] rn[19..16] [1111] rd[11..8] [0000] rm[3..0]. |
| kThumb2LslRRI5, // lsl [11101010010011110] imm[14.12] rd[11..8] [00] rm[3..0]. |
| kThumb2LsrRRI5, // lsr [11101010010011110] imm[14.12] rd[11..8] [01] rm[3..0]. |
| kThumb2AsrRRI5, // asr [11101010010011110] imm[14.12] rd[11..8] [10] rm[3..0]. |
| kThumb2RorRRI5, // ror [11101010010011110] imm[14.12] rd[11..8] [11] rm[3..0]. |
| kThumb2BicRRI8, // bic [111100000010] rn[19..16] [0] imm3 rd[11..8] imm8. |
| kThumb2AndRRI8, // bic [111100000000] rn[19..16] [0] imm3 rd[11..8] imm8. |
| kThumb2OrrRRI8, // orr [111100000100] rn[19..16] [0] imm3 rd[11..8] imm8. |
| kThumb2EorRRI8, // eor [111100001000] rn[19..16] [0] imm3 rd[11..8] imm8. |
| kThumb2AddRRI8, // add [111100001000] rn[19..16] [0] imm3 rd[11..8] imm8. |
| kThumb2AdcRRI8, // adc [111100010101] rn[19..16] [0] imm3 rd[11..8] imm8. |
| kThumb2SubRRI8, // sub [111100011011] rn[19..16] [0] imm3 rd[11..8] imm8. |
| kThumb2SbcRRI8, // sbc [111100010111] rn[19..16] [0] imm3 rd[11..8] imm8. |
| kThumb2It, // it [10111111] firstcond[7-4] mask[3-0]. |
| kThumb2Fmstat, // fmstat [11101110111100011111101000010000]. |
| kThumb2Vcmpd, // vcmp [111011101] D [11011] rd[15-12] [1011] E [1] M [0] rm[3-0]. |
| kThumb2Vcmps, // vcmp [111011101] D [11010] rd[15-12] [1011] E [1] M [0] rm[3-0]. |
| kThumb2LdrPcRel12, // ldr rd,[pc,#imm12] [1111100011011111] rt[15-12] imm12[11-0]. |
| kThumb2BCond, // b<c> [1110] S cond[25-22] imm6[21-16] [10] J1 [0] J2 imm11[10..0]. |
| kThumb2Vmovd_RR, // vmov [111011101] D [110000] vd[15-12 [101101] M [0] vm[3-0]. |
| kThumb2Vmovs_RR, // vmov [111011101] D [110000] vd[15-12 [101001] M [0] vm[3-0]. |
| kThumb2Fmrs, // vmov [111011100000] vn[19-16] rt[15-12] [1010] N [0010000]. |
| kThumb2Fmsr, // vmov [111011100001] vn[19-16] rt[15-12] [1010] N [0010000]. |
| kThumb2Fmrrd, // vmov [111011000100] rt2[19-16] rt[15-12] [101100] M [1] vm[3-0]. |
| kThumb2Fmdrr, // vmov [111011000101] rt2[19-16] rt[15-12] [101100] M [1] vm[3-0]. |
| kThumb2Vabsd, // vabs.f64 [111011101] D [110000] rd[15-12] [1011110] M [0] vm[3-0]. |
| kThumb2Vabss, // vabs.f32 [111011101] D [110000] rd[15-12] [1010110] M [0] vm[3-0]. |
| kThumb2Vnegd, // vneg.f64 [111011101] D [110000] rd[15-12] [1011110] M [0] vm[3-0]. |
| kThumb2Vnegs, // vneg.f32 [111011101] D [110000] rd[15-12] [1010110] M [0] vm[3-0]. |
| kThumb2Vmovs_IMM8, // vmov.f32 [111011101] D [11] imm4h[19-16] vd[15-12] [10100000] imm4l[3-0]. |
| kThumb2Vmovd_IMM8, // vmov.f64 [111011101] D [11] imm4h[19-16] vd[15-12] [10110000] imm4l[3-0]. |
| kThumb2Mla, // mla [111110110000] rn[19-16] ra[15-12] rd[7-4] [0000] rm[3-0]. |
| kThumb2Umull, // umull [111110111010] rn[19-16], rdlo[15-12] rdhi[11-8] [0000] rm[3-0]. |
| kThumb2Ldrex, // ldrex [111010000101] rn[19-16] rt[11-8] [1111] imm8[7-0]. |
| kThumb2Strex, // strex [111010000100] rn[19-16] rt[11-8] rd[11-8] imm8[7-0]. |
| kThumb2Clrex, // clrex [111100111011111110000111100101111]. |
| kThumb2Bfi, // bfi [111100110110] rn[19-16] [0] imm3[14-12] rd[11-8] imm2[7-6] [0] msb[4-0]. |
| kThumb2Bfc, // bfc [11110011011011110] [0] imm3[14-12] rd[11-8] imm2[7-6] [0] msb[4-0]. |
| kThumb2Dmb, // dmb [1111001110111111100011110101] option[3-0]. |
| kThumb2LdrPcReln12,// ldr rd,[pc,-#imm12] [1111100011011111] rt[15-12] imm12[11-0]. |
| kThumb2Stm, // stm <list> [111010010000] rn[19-16] 000 rl[12-0]. |
| kThumbUndefined, // undefined [11011110xxxxxxxx]. |
| kThumb2VPopCS, // vpop <list of callee save fp singles (s16+). |
| kThumb2VPushCS, // vpush <list callee save fp singles (s16+). |
| kThumb2Vldms, // vldms rd, <list>. |
| kThumb2Vstms, // vstms rd, <list>. |
| kThumb2BUncond, // b <label>. |
| kThumb2MovImm16H, // similar to kThumb2MovImm16, but target high hw. |
| kThumb2AddPCR, // Thumb2 2-operand add with hard-coded PC target. |
| kThumb2Adr, // Special purpose encoding of ADR for switch tables. |
| kThumb2MovImm16LST,// Special purpose version for switch table use. |
| kThumb2MovImm16HST,// Special purpose version for switch table use. |
| kThumb2LdmiaWB, // ldmia [111010011001[ rn[19..16] mask[15..0]. |
| kThumb2SubsRRI12, // setflags encoding. |
| kThumb2OrrRRRs, // orrx [111010100101] rn[19..16] [0000] rd[11..8] [0000] rm[3..0]. |
| kThumb2Push1, // t3 encoding of push. |
| kThumb2Pop1, // t3 encoding of pop. |
| kThumb2RsubRRR, // rsb [111010111101] rn[19..16] [0000] rd[11..8] [0000] rm[3..0]. |
| kThumb2Smull, // smull [111110111000] rn[19-16], rdlo[15-12] rdhi[11-8] [0000] rm[3-0]. |
| kArmLast, |
| }; |
| |
| enum ArmOpDmbOptions { |
| kSY = 0xf, |
| kST = 0xe, |
| kISH = 0xb, |
| kISHST = 0xa, |
| kNSH = 0x7, |
| kNSHST = 0x6 |
| }; |
| |
| // Instruction assembly field_loc kind. |
| enum ArmEncodingKind { |
| kFmtUnused, |
| kFmtBitBlt, // Bit string using end/start. |
| kFmtDfp, // Double FP reg. |
| kFmtSfp, // Single FP reg. |
| kFmtModImm, // Shifted 8-bit immed using [26,14..12,7..0]. |
| kFmtImm16, // Zero-extended immed using [26,19..16,14..12,7..0]. |
| kFmtImm6, // Encoded branch target using [9,7..3]0. |
| kFmtImm12, // Zero-extended immediate using [26,14..12,7..0]. |
| kFmtShift, // Shift descriptor, [14..12,7..4]. |
| kFmtLsb, // least significant bit using [14..12][7..6]. |
| kFmtBWidth, // bit-field width, encoded as width-1. |
| kFmtShift5, // Shift count, [14..12,7..6]. |
| kFmtBrOffset, // Signed extended [26,11,13,21-16,10-0]:0. |
| kFmtFPImm, // Encoded floating point immediate. |
| kFmtOff24, // 24-bit Thumb2 unconditional branch encoding. |
| }; |
| |
| // Struct used to define the snippet positions for each Thumb opcode. |
| struct ArmEncodingMap { |
| uint32_t skeleton; |
| struct { |
| ArmEncodingKind kind; |
| int end; // end for kFmtBitBlt, 1-bit slice end for FP regs. |
| int start; // start for kFmtBitBlt, 4-bit slice end for FP regs. |
| } field_loc[4]; |
| ArmOpcode opcode; |
| uint64_t flags; |
| const char* name; |
| const char* fmt; |
| int size; // Note: size is in bytes. |
| }; |
| |
| } // namespace art |
| |
| #endif // ART_SRC_COMPILER_CODEGEN_ARM_ARMLIR_H_ |