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ArmEmitter: make it more readable
This commit is contained in:
Tillmann Karras
parent
46e7c0657f
commit
7a66a3ded1
@ -335,7 +335,7 @@ void ARMXEmitter::NOP(int count)
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void ARMXEmitter::SETEND(bool BE)
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{
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//SETEND is non-conditional
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Write32( 0xF1010000 | (BE << 9));
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Write32(0xF1010000 | (BE << 9));
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}
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void ARMXEmitter::BKPT(u16 arg)
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{
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@ -380,9 +380,8 @@ FixupBranch ARMXEmitter::B_CC(CCFlags Cond)
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void ARMXEmitter::B_CC(CCFlags Cond, const void *fnptr)
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{
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s32 distance = (s32)fnptr - (s32(code) + 8);
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_dbg_assert_msg_(DYNA_REC, distance > -33554432
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&& distance <= 33554432,
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"B_CC out of range (%p calls %p)", code, fnptr);
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_dbg_assert_msg_(DYNA_REC, distance > -0x2000000 && distance <= 0x2000000,
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"B_CC out of range (%p calls %p)", code, fnptr);
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Write32((Cond << 28) | 0x0A000000 | ((distance >> 2) & 0x00FFFFFF));
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}
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@ -399,23 +398,17 @@ FixupBranch ARMXEmitter::BL_CC(CCFlags Cond)
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void ARMXEmitter::SetJumpTarget(FixupBranch const &branch)
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{
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s32 distance = (s32(code) - 8) - (s32)branch.ptr;
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_dbg_assert_msg_(DYNA_REC, distance > -33554432
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&& distance <= 33554432,
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"SetJumpTarget out of range (%p calls %p)", code,
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branch.ptr);
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if(branch.type == 0) // B
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*(u32*)branch.ptr = (u32)(branch.condition | (10 << 24) | ((distance >> 2) &
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0x00FFFFFF));
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else // BL
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*(u32*)branch.ptr = (u32)(branch.condition | 0x0B000000 | ((distance >> 2)
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& 0x00FFFFFF));
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_dbg_assert_msg_(DYNA_REC, distance > -0x2000000 && distance <= 0x2000000,
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"SetJumpTarget out of range (%p calls %p)", code, branch.ptr);
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u32 instr = (u32)(branch.condition | ((distance >> 2) & 0x00FFFFFF));
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instr |= branch.type ? /* B */ 0x0A000000 : /* BL */ 0x0B000000;
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*(u32*)branch.ptr = instr;
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}
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void ARMXEmitter::B (const void *fnptr)
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void ARMXEmitter::B(const void *fnptr)
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{
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s32 distance = (s32)fnptr - (s32(code) + 8);
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_dbg_assert_msg_(DYNA_REC, distance > -33554432
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&& distance <= 33554432,
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"B out of range (%p calls %p)", code, fnptr);
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_dbg_assert_msg_(DYNA_REC, distance > -0x2000000 && distance <= 0x2000000,
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"B out of range (%p calls %p)", code, fnptr);
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Write32(condition | 0x0A000000 | ((distance >> 2) & 0x00FFFFFF));
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}
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@ -427,7 +420,7 @@ void ARMXEmitter::B(ARMReg src)
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bool ARMXEmitter::BLInRange(const void *fnptr) {
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s32 distance = (s32)fnptr - (s32(code) + 8);
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if (distance <= -33554432 || distance > 33554432)
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if (distance <= -0x2000000 || distance > 0x2000000)
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return false;
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else
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return true;
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@ -436,9 +429,8 @@ bool ARMXEmitter::BLInRange(const void *fnptr) {
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void ARMXEmitter::BL(const void *fnptr)
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{
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s32 distance = (s32)fnptr - (s32(code) + 8);
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_dbg_assert_msg_(DYNA_REC, distance > -33554432
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&& distance <= 33554432,
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"BL out of range (%p calls %p)", code, fnptr);
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_dbg_assert_msg_(DYNA_REC, distance > -0x2000000 && distance <= 0x2000000,
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"BL out of range (%p calls %p)", code, fnptr);
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Write32(condition | 0x0B000000 | ((distance >> 2) & 0x00FFFFFF));
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}
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void ARMXEmitter::BL(ARMReg src)
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@ -487,42 +479,42 @@ void ARMXEmitter::WriteShiftedDataOp(u32 op, bool SetFlags, ARMReg dest, ARMReg
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// IMM, REG, IMMSREG, RSR
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// -1 for invalid if the instruction doesn't support that
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const s32 InstOps[][4] = {{16, 0, 0, 0}, // AND(s)
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{17, 1, 1, 1}, // EOR(s)
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{18, 2, 2, 2}, // SUB(s)
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{19, 3, 3, 3}, // RSB(s)
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{20, 4, 4, 4}, // ADD(s)
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{21, 5, 5, 5}, // ADC(s)
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{22, 6, 6, 6}, // SBC(s)
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{23, 7, 7, 7}, // RSC(s)
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{24, 8, 8, 8}, // TST
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{25, 9, 9, 9}, // TEQ
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{26, 10, 10, 10}, // CMP
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{27, 11, 11, 11}, // CMN
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{28, 12, 12, 12}, // ORR(s)
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{29, 13, 13, 13}, // MOV(s)
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{30, 14, 14, 14}, // BIC(s)
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{31, 15, 15, 15}, // MVN(s)
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{24, -1, -1, -1}, // MOVW
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{26, -1, -1, -1}, // MOVT
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};
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{17, 1, 1, 1}, // EOR(s)
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{18, 2, 2, 2}, // SUB(s)
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{19, 3, 3, 3}, // RSB(s)
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{20, 4, 4, 4}, // ADD(s)
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{21, 5, 5, 5}, // ADC(s)
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{22, 6, 6, 6}, // SBC(s)
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{23, 7, 7, 7}, // RSC(s)
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{24, 8, 8, 8}, // TST
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{25, 9, 9, 9}, // TEQ
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{26, 10, 10, 10}, // CMP
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{27, 11, 11, 11}, // CMN
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{28, 12, 12, 12}, // ORR(s)
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{29, 13, 13, 13}, // MOV(s)
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{30, 14, 14, 14}, // BIC(s)
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{31, 15, 15, 15}, // MVN(s)
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{24, -1, -1, -1}, // MOVW
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{26, -1, -1, -1}, // MOVT
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};
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const char *InstNames[] = { "AND",
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"EOR",
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"SUB",
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"RSB",
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"ADD",
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"ADC",
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"SBC",
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"RSC",
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"TST",
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"TEQ",
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"CMP",
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"CMN",
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"ORR",
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"MOV",
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"BIC",
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"MVN"
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};
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const char *InstNames[] = {"AND",
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"EOR",
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"SUB",
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"RSB",
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"ADD",
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"ADC",
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"SBC",
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"RSC",
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"TST",
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"TEQ",
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"CMP",
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"CMN",
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"ORR",
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"MOV",
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"BIC",
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"MVN"
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};
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void ARMXEmitter::AND (ARMReg Rd, ARMReg Rn, Operand2 Rm) { WriteInstruction(0, Rd, Rn, Rm); }
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void ARMXEmitter::ANDS(ARMReg Rd, ARMReg Rn, Operand2 Rm) { WriteInstruction(0, Rd, Rn, Rm, true); }
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@ -54,9 +54,9 @@ double GetCurrentBitmapLogicalScale()
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{
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#ifdef __APPLE__
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// wx doesn't expose this itself, unfortunately.
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if ([[NSScreen mainScreen] respondsToSelector:@selector(backingScaleFactor)])
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if ([[NSScreen mainScreen] respondsToSelector:@selector(backingScaleFactor)])
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{
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return [[NSScreen mainScreen] backingScaleFactor];
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return [[NSScreen mainScreen] backingScaleFactor];
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}
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#endif
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return 1.0;
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