325 lines
11 KiB
C
325 lines
11 KiB
C
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/* libs/pixelflinger/codeflinger/ARMAssemblerInterface.h
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**
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** Copyright 2006, The Android Open Source Project
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**
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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**
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** http://www.apache.org/licenses/LICENSE-2.0
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**
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*/
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#ifndef ANDROID_ARMASSEMBLER_INTERFACE_H
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#define ANDROID_ARMASSEMBLER_INTERFACE_H
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#include <stdint.h>
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#include <sys/types.h>
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namespace android {
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// ----------------------------------------------------------------------------
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class ARMAssemblerInterface
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{
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public:
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virtual ~ARMAssemblerInterface();
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enum {
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EQ, NE, CS, CC, MI, PL, VS, VC, HI, LS, GE, LT, GT, LE, AL, NV,
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HS = CS,
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LO = CC
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};
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enum {
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S = 1
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};
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enum {
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LSL, LSR, ASR, ROR
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};
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enum {
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ED, FD, EA, FA,
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IB, IA, DB, DA
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};
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enum {
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R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15,
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SP = R13,
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LR = R14,
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PC = R15
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};
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enum {
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#define LIST(rr) L##rr=1<<rr
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LIST(R0), LIST(R1), LIST(R2), LIST(R3), LIST(R4), LIST(R5), LIST(R6),
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LIST(R7), LIST(R8), LIST(R9), LIST(R10), LIST(R11), LIST(R12),
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LIST(R13), LIST(R14), LIST(R15),
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LIST(SP), LIST(LR), LIST(PC),
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#undef LIST
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LSAVED = LR4|LR5|LR6|LR7|LR8|LR9|LR10|LR11 | LLR
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};
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// -----------------------------------------------------------------------
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// shifters and addressing modes
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// -----------------------------------------------------------------------
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// shifters...
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static bool isValidImmediate(uint32_t immed);
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static int buildImmediate(uint32_t i, uint32_t& rot, uint32_t& imm);
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static uint32_t imm(uint32_t immediate);
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static uint32_t reg_imm(int Rm, int type, uint32_t shift);
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static uint32_t reg_rrx(int Rm);
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static uint32_t reg_reg(int Rm, int type, int Rs);
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// addressing modes...
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// LDR(B)/STR(B)/PLD
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// (immediate and Rm can be negative, which indicates U=0)
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static uint32_t immed12_pre(int32_t immed12, int W=0);
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static uint32_t immed12_post(int32_t immed12);
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static uint32_t reg_scale_pre(int Rm, int type=0, uint32_t shift=0, int W=0);
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static uint32_t reg_scale_post(int Rm, int type=0, uint32_t shift=0);
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// LDRH/LDRSB/LDRSH/STRH
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// (immediate and Rm can be negative, which indicates U=0)
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static uint32_t immed8_pre(int32_t immed8, int W=0);
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static uint32_t immed8_post(int32_t immed8);
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static uint32_t reg_pre(int Rm, int W=0);
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static uint32_t reg_post(int Rm);
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// -----------------------------------------------------------------------
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// basic instructions & code generation
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// -----------------------------------------------------------------------
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// generate the code
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virtual void reset() = 0;
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virtual int generate(const char* name) = 0;
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virtual void disassemble(const char* name) = 0;
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// construct prolog and epilog
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virtual void prolog() = 0;
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virtual void epilog(uint32_t touched) = 0;
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virtual void comment(const char* string) = 0;
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// data processing...
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enum {
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opAND, opEOR, opSUB, opRSB, opADD, opADC, opSBC, opRSC,
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opTST, opTEQ, opCMP, opCMN, opORR, opMOV, opBIC, opMVN
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};
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virtual void
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dataProcessing( int opcode, int cc, int s,
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int Rd, int Rn,
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uint32_t Op2) = 0;
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// multiply...
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virtual void MLA(int cc, int s,
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int Rd, int Rm, int Rs, int Rn) = 0;
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virtual void MUL(int cc, int s,
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int Rd, int Rm, int Rs) = 0;
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virtual void UMULL(int cc, int s,
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int RdLo, int RdHi, int Rm, int Rs) = 0;
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virtual void UMUAL(int cc, int s,
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int RdLo, int RdHi, int Rm, int Rs) = 0;
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virtual void SMULL(int cc, int s,
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int RdLo, int RdHi, int Rm, int Rs) = 0;
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virtual void SMUAL(int cc, int s,
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int RdLo, int RdHi, int Rm, int Rs) = 0;
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// branches...
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virtual void B(int cc, uint32_t* pc) = 0;
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virtual void BL(int cc, uint32_t* pc) = 0;
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virtual void BX(int cc, int Rn) = 0;
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virtual void label(const char* theLabel) = 0;
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virtual void B(int cc, const char* label) = 0;
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virtual void BL(int cc, const char* label) = 0;
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// valid only after generate() has been called
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virtual uint32_t* pcForLabel(const char* label) = 0;
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// data transfer...
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virtual void LDR (int cc, int Rd,
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int Rn, uint32_t offset = immed12_pre(0)) = 0;
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virtual void LDRB(int cc, int Rd,
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int Rn, uint32_t offset = immed12_pre(0)) = 0;
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virtual void STR (int cc, int Rd,
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int Rn, uint32_t offset = immed12_pre(0)) = 0;
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virtual void STRB(int cc, int Rd,
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int Rn, uint32_t offset = immed12_pre(0)) = 0;
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virtual void LDRH (int cc, int Rd,
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int Rn, uint32_t offset = immed8_pre(0)) = 0;
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virtual void LDRSB(int cc, int Rd,
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int Rn, uint32_t offset = immed8_pre(0)) = 0;
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virtual void LDRSH(int cc, int Rd,
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int Rn, uint32_t offset = immed8_pre(0)) = 0;
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virtual void STRH (int cc, int Rd,
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int Rn, uint32_t offset = immed8_pre(0)) = 0;
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// block data transfer...
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virtual void LDM(int cc, int dir,
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int Rn, int W, uint32_t reg_list) = 0;
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virtual void STM(int cc, int dir,
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int Rn, int W, uint32_t reg_list) = 0;
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// special...
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virtual void SWP(int cc, int Rn, int Rd, int Rm) = 0;
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virtual void SWPB(int cc, int Rn, int Rd, int Rm) = 0;
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virtual void SWI(int cc, uint32_t comment) = 0;
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// DSP instructions...
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enum {
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// B=0, T=1
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// yx
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xyBB = 0, // 0000,
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xyTB = 2, // 0010,
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xyBT = 4, // 0100,
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xyTT = 6, // 0110,
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yB = 0, // 0000,
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yT = 4, // 0100
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};
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virtual void PLD(int Rn, uint32_t offset) = 0;
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virtual void CLZ(int cc, int Rd, int Rm) = 0;
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virtual void QADD(int cc, int Rd, int Rm, int Rn) = 0;
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virtual void QDADD(int cc, int Rd, int Rm, int Rn) = 0;
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virtual void QSUB(int cc, int Rd, int Rm, int Rn) = 0;
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virtual void QDSUB(int cc, int Rd, int Rm, int Rn) = 0;
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virtual void SMUL(int cc, int xy,
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int Rd, int Rm, int Rs) = 0;
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virtual void SMULW(int cc, int y,
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int Rd, int Rm, int Rs) = 0;
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virtual void SMLA(int cc, int xy,
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int Rd, int Rm, int Rs, int Rn) = 0;
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virtual void SMLAL(int cc, int xy,
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int RdHi, int RdLo, int Rs, int Rm) = 0;
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virtual void SMLAW(int cc, int y,
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int Rd, int Rm, int Rs, int Rn) = 0;
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// -----------------------------------------------------------------------
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// convenience...
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// -----------------------------------------------------------------------
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inline void
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ADC(int cc, int s, int Rd, int Rn, uint32_t Op2) {
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dataProcessing(opADC, cc, s, Rd, Rn, Op2);
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}
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inline void
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ADD(int cc, int s, int Rd, int Rn, uint32_t Op2) {
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dataProcessing(opADD, cc, s, Rd, Rn, Op2);
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}
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inline void
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AND(int cc, int s, int Rd, int Rn, uint32_t Op2) {
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dataProcessing(opAND, cc, s, Rd, Rn, Op2);
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}
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inline void
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BIC(int cc, int s, int Rd, int Rn, uint32_t Op2) {
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dataProcessing(opBIC, cc, s, Rd, Rn, Op2);
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}
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inline void
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EOR(int cc, int s, int Rd, int Rn, uint32_t Op2) {
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dataProcessing(opEOR, cc, s, Rd, Rn, Op2);
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}
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inline void
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MOV(int cc, int s, int Rd, uint32_t Op2) {
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dataProcessing(opMOV, cc, s, Rd, 0, Op2);
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}
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inline void
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MVN(int cc, int s, int Rd, uint32_t Op2) {
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dataProcessing(opMVN, cc, s, Rd, 0, Op2);
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}
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inline void
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ORR(int cc, int s, int Rd, int Rn, uint32_t Op2) {
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dataProcessing(opORR, cc, s, Rd, Rn, Op2);
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}
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inline void
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RSB(int cc, int s, int Rd, int Rn, uint32_t Op2) {
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dataProcessing(opRSB, cc, s, Rd, Rn, Op2);
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}
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inline void
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RSC(int cc, int s, int Rd, int Rn, uint32_t Op2) {
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dataProcessing(opRSC, cc, s, Rd, Rn, Op2);
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}
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inline void
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SBC(int cc, int s, int Rd, int Rn, uint32_t Op2) {
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dataProcessing(opSBC, cc, s, Rd, Rn, Op2);
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}
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inline void
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SUB(int cc, int s, int Rd, int Rn, uint32_t Op2) {
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dataProcessing(opSUB, cc, s, Rd, Rn, Op2);
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}
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inline void
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TEQ(int cc, int Rn, uint32_t Op2) {
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dataProcessing(opTEQ, cc, 1, 0, Rn, Op2);
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}
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inline void
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TST(int cc, int Rn, uint32_t Op2) {
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dataProcessing(opTST, cc, 1, 0, Rn, Op2);
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}
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inline void
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CMP(int cc, int Rn, uint32_t Op2) {
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dataProcessing(opCMP, cc, 1, 0, Rn, Op2);
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}
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inline void
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CMN(int cc, int Rn, uint32_t Op2) {
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dataProcessing(opCMN, cc, 1, 0, Rn, Op2);
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}
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inline void SMULBB(int cc, int Rd, int Rm, int Rs) {
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SMUL(cc, xyBB, Rd, Rm, Rs); }
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inline void SMULTB(int cc, int Rd, int Rm, int Rs) {
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SMUL(cc, xyTB, Rd, Rm, Rs); }
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inline void SMULBT(int cc, int Rd, int Rm, int Rs) {
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SMUL(cc, xyBT, Rd, Rm, Rs); }
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inline void SMULTT(int cc, int Rd, int Rm, int Rs) {
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SMUL(cc, xyTT, Rd, Rm, Rs); }
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inline void SMULWB(int cc, int Rd, int Rm, int Rs) {
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SMULW(cc, yB, Rd, Rm, Rs); }
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inline void SMULWT(int cc, int Rd, int Rm, int Rs) {
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SMULW(cc, yT, Rd, Rm, Rs); }
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inline void
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SMLABB(int cc, int Rd, int Rm, int Rs, int Rn) {
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SMLA(cc, xyBB, Rd, Rm, Rs, Rn); }
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inline void
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SMLATB(int cc, int Rd, int Rm, int Rs, int Rn) {
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SMLA(cc, xyTB, Rd, Rm, Rs, Rn); }
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inline void
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SMLABT(int cc, int Rd, int Rm, int Rs, int Rn) {
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SMLA(cc, xyBT, Rd, Rm, Rs, Rn); }
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inline void
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SMLATT(int cc, int Rd, int Rm, int Rs, int Rn) {
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SMLA(cc, xyTT, Rd, Rm, Rs, Rn); }
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inline void
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SMLALBB(int cc, int RdHi, int RdLo, int Rs, int Rm) {
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SMLAL(cc, xyBB, RdHi, RdLo, Rs, Rm); }
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inline void
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SMLALTB(int cc, int RdHi, int RdLo, int Rs, int Rm) {
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SMLAL(cc, xyTB, RdHi, RdLo, Rs, Rm); }
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inline void
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SMLALBT(int cc, int RdHi, int RdLo, int Rs, int Rm) {
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SMLAL(cc, xyBT, RdHi, RdLo, Rs, Rm); }
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inline void
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SMLALTT(int cc, int RdHi, int RdLo, int Rs, int Rm) {
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SMLAL(cc, xyTT, RdHi, RdLo, Rs, Rm); }
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inline void
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SMLAWB(int cc, int Rd, int Rm, int Rs, int Rn) {
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SMLAW(cc, yB, Rd, Rm, Rs, Rn); }
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inline void
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SMLAWT(int cc, int Rd, int Rm, int Rs, int Rn) {
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SMLAW(cc, yT, Rd, Rm, Rs, Rn); }
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};
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}; // namespace android
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#endif //ANDROID_ARMASSEMBLER_INTERFACE_H
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