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A32/T32/A64: Implement Hint instructions (CSDB, SEV, SEVL, WFE, WFI, YIELD) (#3694)
* OpCodeTable: Implement Hint instructions (CSDB, SEV, SEVL, WFE, WFI, YIELD) * A64: Remove catch-all Hint instruction * T16: Handle unallocated hint instructions Some thumb tests execute these assuming that they're nops. * T32: Fill out other Hint instructions * A32: Fill out other hint instructions
This commit is contained in:
merry
GitHub
parent
c3c41fa4bb
commit
fbcf802fbc
4 changed files with 61 additions and 7 deletions
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@ -93,6 +93,7 @@ namespace ARMeilleure.Decoders
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SetA64("00011010110xxxxx010101xxxxxxxxxx", InstName.Crc32ch, InstEmit.Crc32ch, OpCodeAluBinary.Create);
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SetA64("00011010110xxxxx010110xxxxxxxxxx", InstName.Crc32cw, InstEmit.Crc32cw, OpCodeAluBinary.Create);
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SetA64("10011010110xxxxx010111xxxxxxxxxx", InstName.Crc32cx, InstEmit.Crc32cx, OpCodeAluBinary.Create);
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SetA64("11010101000000110010001010011111", InstName.Csdb, InstEmit.Csdb, OpCodeSystem.Create);
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SetA64("x0011010100xxxxxxxxx00xxxxxxxxxx", InstName.Csel, InstEmit.Csel, OpCodeCsel.Create);
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SetA64("x0011010100xxxxxxxxx01xxxxxxxxxx", InstName.Csinc, InstEmit.Csinc, OpCodeCsel.Create);
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SetA64("x1011010100xxxxxxxxx00xxxxxxxxxx", InstName.Csinv, InstEmit.Csinv, OpCodeCsel.Create);
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@ -107,7 +108,6 @@ namespace ARMeilleure.Decoders
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SetA64("11001010xx0xxxxxxxxxxxxxxxxxxxxx", InstName.Eor, InstEmit.Eor, OpCodeAluRs.Create);
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SetA64("00010011100xxxxx0xxxxxxxxxxxxxxx", InstName.Extr, InstEmit.Extr, OpCodeAluRs.Create);
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SetA64("10010011110xxxxxxxxxxxxxxxxxxxxx", InstName.Extr, InstEmit.Extr, OpCodeAluRs.Create);
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SetA64("11010101000000110010xxxxxxx11111", InstName.Hint, InstEmit.Hint, OpCodeSystem.Create);
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SetA64("11010101000000110011xxxx11011111", InstName.Isb, InstEmit.Isb, OpCodeSystem.Create);
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SetA64("xx001000110xxxxx1xxxxxxxxxxxxxxx", InstName.Ldar, InstEmit.Ldar, OpCodeMemEx.Create);
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SetA64("1x001000011xxxxx1xxxxxxxxxxxxxxx", InstName.Ldaxp, InstEmit.Ldaxp, OpCodeMemEx.Create);
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@ -159,6 +159,8 @@ namespace ARMeilleure.Decoders
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SetA64("00010011000xxxxx0xxxxxxxxxxxxxxx", InstName.Sbfm, InstEmit.Sbfm, OpCodeBfm.Create);
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SetA64("1001001101xxxxxxxxxxxxxxxxxxxxxx", InstName.Sbfm, InstEmit.Sbfm, OpCodeBfm.Create);
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SetA64("x0011010110xxxxx000011xxxxxxxxxx", InstName.Sdiv, InstEmit.Sdiv, OpCodeAluBinary.Create);
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SetA64("11010101000000110010000010011111", InstName.Sev, InstEmit.Nop, OpCodeSystem.Create);
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SetA64("11010101000000110010000010111111", InstName.Sevl, InstEmit.Nop, OpCodeSystem.Create);
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SetA64("10011011001xxxxx0xxxxxxxxxxxxxxx", InstName.Smaddl, InstEmit.Smaddl, OpCodeMul.Create);
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SetA64("10011011001xxxxx1xxxxxxxxxxxxxxx", InstName.Smsubl, InstEmit.Smsubl, OpCodeMul.Create);
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SetA64("10011011010xxxxx0xxxxxxxxxxxxxxx", InstName.Smulh, InstEmit.Smulh, OpCodeMul.Create);
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@ -191,6 +193,9 @@ namespace ARMeilleure.Decoders
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SetA64("10011011101xxxxx0xxxxxxxxxxxxxxx", InstName.Umaddl, InstEmit.Umaddl, OpCodeMul.Create);
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SetA64("10011011101xxxxx1xxxxxxxxxxxxxxx", InstName.Umsubl, InstEmit.Umsubl, OpCodeMul.Create);
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SetA64("10011011110xxxxx0xxxxxxxxxxxxxxx", InstName.Umulh, InstEmit.Umulh, OpCodeMul.Create);
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SetA64("11010101000000110010000001011111", InstName.Wfe, InstEmit.Nop, OpCodeSystem.Create);
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SetA64("11010101000000110010000001111111", InstName.Wfi, InstEmit.Nop, OpCodeSystem.Create);
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SetA64("11010101000000110010000000111111", InstName.Yield, InstEmit.Nop, OpCodeSystem.Create);
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// FP & SIMD
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SetA64("0101111011100000101110xxxxxxxxxx", InstName.Abs_S, InstEmit.Abs_S, OpCodeSimd.Create);
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@ -669,6 +674,17 @@ namespace ARMeilleure.Decoders
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SetA32("<<<<0010001xxxxxxxxxxxxxxxxxxxxx", InstName.Eor, InstEmit32.Eor, OpCode32AluImm.Create);
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SetA32("<<<<0000001xxxxxxxxxxxxxxxx0xxxx", InstName.Eor, InstEmit32.Eor, OpCode32AluRsImm.Create);
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SetA32("<<<<0000001xxxxxxxxxxxxx0xx1xxxx", InstName.Eor, InstEmit32.Eor, OpCode32AluRsReg.Create);
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SetA32("<<<<0011001000001111000000010000", InstName.Esb, InstEmit32.Nop, OpCode32.Create); // Error Synchronization Barrier (FEAT_RAS)
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SetA32("<<<<001100100000111100000000011x", InstName.Hint, InstEmit32.Nop, OpCode32.Create); // Reserved Hint
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SetA32("<<<<0011001000001111000000001xxx", InstName.Hint, InstEmit32.Nop, OpCode32.Create); // Reserved Hint
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SetA32("<<<<0011001000001111000000010001", InstName.Hint, InstEmit32.Nop, OpCode32.Create); // Reserved Hint
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SetA32("<<<<0011001000001111000000010011", InstName.Hint, InstEmit32.Nop, OpCode32.Create); // Reserved Hint
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SetA32("<<<<0011001000001111000000010101", InstName.Hint, InstEmit32.Nop, OpCode32.Create); // Reserved Hint
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SetA32("<<<<001100100000111100000001011x", InstName.Hint, InstEmit32.Nop, OpCode32.Create); // Reserved Hint
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SetA32("<<<<0011001000001111000000011xxx", InstName.Hint, InstEmit32.Nop, OpCode32.Create); // Reserved Hint
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SetA32("<<<<00110010000011110000001xxxxx", InstName.Hint, InstEmit32.Nop, OpCode32.Create); // Reserved Hint
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SetA32("<<<<0011001000001111000001xxxxxx", InstName.Hint, InstEmit32.Nop, OpCode32.Create); // Reserved Hint
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SetA32("<<<<001100100000111100001xxxxxxx", InstName.Hint, InstEmit32.Nop, OpCode32.Create); // Reserved Hint
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SetA32("1111010101111111111100000110xxxx", InstName.Isb, InstEmit32.Nop, OpCode32.Create);
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SetA32("<<<<00011001xxxxxxxx110010011111", InstName.Lda, InstEmit32.Lda, OpCode32MemLdEx.Create);
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SetA32("<<<<00011101xxxxxxxx110010011111", InstName.Ldab, InstEmit32.Ldab, OpCode32MemLdEx.Create);
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@ -734,6 +750,8 @@ namespace ARMeilleure.Decoders
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SetA32("<<<<0111101xxxxxxxxxxxxxx101xxxx", InstName.Sbfx, InstEmit32.Sbfx, OpCode32AluBf.Create);
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SetA32("<<<<01110001xxxx1111xxxx0001xxxx", InstName.Sdiv, InstEmit32.Sdiv, OpCode32AluMla.Create);
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SetA32("<<<<01101000xxxxxxxx11111011xxxx", InstName.Sel, InstEmit32.Sel, OpCode32AluReg.Create);
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SetA32("<<<<0011001000001111000000000100", InstName.Sev, InstEmit32.Nop, OpCode32.Create);
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SetA32("<<<<0011001000001111000000000101", InstName.Sevl, InstEmit32.Nop, OpCode32.Create);
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SetA32("<<<<01100011xxxxxxxx11111001xxxx", InstName.Shadd8, InstEmit32.Shadd8, OpCode32AluReg.Create);
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SetA32("<<<<01100011xxxxxxxx11111111xxxx", InstName.Shsub8, InstEmit32.Shsub8, OpCode32AluReg.Create);
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SetA32("<<<<00010000xxxxxxxxxxxx1xx0xxxx", InstName.Smla__, InstEmit32.Smla__, OpCode32AluMla.Create);
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@ -779,6 +797,7 @@ namespace ARMeilleure.Decoders
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SetA32("<<<<00010011xxxx0000xxxxxxx0xxxx", InstName.Teq, InstEmit32.Teq, OpCode32AluRsImm.Create);
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SetA32("<<<<00010011xxxx0000xxxx0xx1xxxx", InstName.Teq, InstEmit32.Teq, OpCode32AluRsReg.Create);
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SetA32("<<<<0111111111111101111011111110", InstName.Trap, InstEmit32.Trap, OpCode32Exception.Create);
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SetA32("<<<<0011001000001111000000010010", InstName.Tsb, InstEmit32.Nop, OpCode32.Create); // Trace Synchronization Barrier (FEAT_TRF)
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SetA32("<<<<00110001xxxx0000xxxxxxxxxxxx", InstName.Tst, InstEmit32.Tst, OpCode32AluImm.Create);
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SetA32("<<<<00010001xxxx0000xxxxxxx0xxxx", InstName.Tst, InstEmit32.Tst, OpCode32AluRsImm.Create);
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SetA32("<<<<00010001xxxx0000xxxx0xx1xxxx", InstName.Tst, InstEmit32.Tst, OpCode32AluRsReg.Create);
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@ -796,6 +815,9 @@ namespace ARMeilleure.Decoders
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SetA32("<<<<01101110xxxxxxxxxx000111xxxx", InstName.Uxtb, InstEmit32.Uxtb, OpCode32AluUx.Create);
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SetA32("<<<<01101100xxxxxxxxxx000111xxxx", InstName.Uxtb16, InstEmit32.Uxtb16, OpCode32AluUx.Create);
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SetA32("<<<<01101111xxxxxxxxxx000111xxxx", InstName.Uxth, InstEmit32.Uxth, OpCode32AluUx.Create);
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SetA32("<<<<0011001000001111000000000010", InstName.Wfe, InstEmit32.Nop, OpCode32.Create);
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SetA32("<<<<0011001000001111000000000011", InstName.Wfi, InstEmit32.Nop, OpCode32.Create);
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SetA32("<<<<0011001000001111000000000001", InstName.Yield, InstEmit32.Nop, OpCode32.Create);
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// VFP
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SetVfp("<<<<11101x110000xxxx101x11x0xxxx", InstName.Vabs, InstEmit32.Vabs_S, OpCode32SimdS.Create, OpCode32SimdS.CreateT32);
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@ -1085,7 +1107,14 @@ namespace ARMeilleure.Decoders
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SetT16("1011101011xxxxxx", InstName.Revsh, InstEmit32.Revsh, OpCodeT16AluRegLow.Create);
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SetT16("101110x1xxxxxxxx", InstName.Cbnz, InstEmit32.Cbnz, OpCodeT16BImmCmp.Create);
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SetT16("1011110xxxxxxxxx", InstName.Pop, InstEmit32.Ldm, OpCodeT16MemStack.Create);
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SetT16("10111111xxxx0000", InstName.Nop, InstEmit32.Nop, OpCodeT16.Create);
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SetT16("1011111100000000", InstName.Nop, InstEmit32.Nop, OpCodeT16.Create);
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SetT16("1011111100010000", InstName.Yield, InstEmit32.Nop, OpCodeT16.Create);
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SetT16("1011111100100000", InstName.Wfe, InstEmit32.Nop, OpCodeT16.Create);
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SetT16("1011111100110000", InstName.Wfi, InstEmit32.Nop, OpCodeT16.Create);
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SetT16("1011111101000000", InstName.Sev, InstEmit32.Nop, OpCodeT16.Create);
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SetT16("1011111101010000", InstName.Sevl, InstEmit32.Nop, OpCodeT16.Create);
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SetT16("10111111011x0000", InstName.Hint, InstEmit32.Nop, OpCodeT16.Create); // Hint instruction
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SetT16("101111111xxx0000", InstName.Hint, InstEmit32.Nop, OpCodeT16.Create); // Hint instruction
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SetT16("10111111xxxx>>>>", InstName.It, InstEmit32.It, OpCodeT16IfThen.Create);
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SetT16("11000xxxxxxxxxxx", InstName.Stm, InstEmit32.Stm, OpCodeT16MemMult.Create);
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SetT16("11001xxxxxxxxxxx", InstName.Ldm, InstEmit32.Ldm, OpCodeT16MemMult.Create);
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@ -1116,8 +1145,20 @@ namespace ARMeilleure.Decoders
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SetT32("11110x010001xxxx0xxx1111xxxxxxxx", InstName.Cmn, InstEmit32.Cmn, OpCodeT32AluImm.Create);
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SetT32("111010111011xxxx0xxx1111xxxxxxxx", InstName.Cmp, InstEmit32.Cmp, OpCodeT32AluRsImm.Create);
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SetT32("11110x011011xxxx0xxx1111xxxxxxxx", InstName.Cmp, InstEmit32.Cmp, OpCodeT32AluImm.Create);
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SetT32("11110011101011111000000000010100", InstName.Csdb, InstEmit32.Csdb, OpCodeT32.Create);
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SetT32("11101010100<xxxx0xxx<<<<xxxxxxxx", InstName.Eor, InstEmit32.Eor, OpCodeT32AluRsImm.Create);
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SetT32("11110x00100<xxxx0xxx<<<<xxxxxxxx", InstName.Eor, InstEmit32.Eor, OpCodeT32AluImm.Create);
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SetT32("11110011101011111000000000010000", InstName.Esb, InstEmit32.Nop, OpCodeT32.Create); // Error Synchronization Barrier (FEAT_RAS)
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SetT32("1111001110101111100000000000011x", InstName.Hint, InstEmit32.Nop, OpCodeT32.Create); // Reserved Hint
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SetT32("11110011101011111000000000001xxx", InstName.Hint, InstEmit32.Nop, OpCodeT32.Create); // Reserved Hint
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SetT32("11110011101011111000000000010001", InstName.Hint, InstEmit32.Nop, OpCodeT32.Create); // Reserved Hint
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SetT32("11110011101011111000000000010011", InstName.Hint, InstEmit32.Nop, OpCodeT32.Create); // Reserved Hint
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SetT32("11110011101011111000000000010101", InstName.Hint, InstEmit32.Nop, OpCodeT32.Create); // Reserved Hint
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SetT32("1111001110101111100000000001011x", InstName.Hint, InstEmit32.Nop, OpCodeT32.Create); // Reserved Hint
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SetT32("11110011101011111000000000011xxx", InstName.Hint, InstEmit32.Nop, OpCodeT32.Create); // Reserved Hint
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SetT32("111100111010111110000000001xxxxx", InstName.Hint, InstEmit32.Nop, OpCodeT32.Create); // Reserved Hint
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SetT32("11110011101011111000000001xxxxxx", InstName.Hint, InstEmit32.Nop, OpCodeT32.Create); // Reserved Hint
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SetT32("1111001110101111100000001xxxxxxx", InstName.Hint, InstEmit32.Nop, OpCodeT32.Create); // Reserved Hint
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SetT32("111010001101xxxxxxxx111110101111", InstName.Lda, InstEmit32.Lda, OpCodeT32MemLdEx.Create);
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SetT32("111010001101xxxxxxxx111110001111", InstName.Ldab, InstEmit32.Ldab, OpCodeT32MemLdEx.Create);
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SetT32("111010001101xxxxxxxx111111101111", InstName.Ldaex, InstEmit32.Ldaex, OpCodeT32MemLdEx.Create);
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@ -1182,6 +1223,8 @@ namespace ARMeilleure.Decoders
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SetT32("111110101010xxxx1111xxxx1000xxxx", InstName.Sel, InstEmit32.Sel, OpCodeT32AluReg.Create);
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SetT32("111110101000xxxx1111xxxx0010xxxx", InstName.Shadd8, InstEmit32.Shadd8, OpCodeT32AluReg.Create);
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SetT32("111110101100xxxx1111xxxx0010xxxx", InstName.Shsub8, InstEmit32.Shsub8, OpCodeT32AluReg.Create);
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SetT32("11110011101011111000000000000100", InstName.Sev, InstEmit32.Nop, OpCodeT32.Create);
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SetT32("11110011101011111000000000000101", InstName.Sevl, InstEmit32.Nop, OpCodeT32.Create);
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SetT32("111110110001xxxx<<<<xxxx00xxxxxx", InstName.Smla__, InstEmit32.Smla__, OpCodeT32AluMla.Create);
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SetT32("111110111100xxxxxxxxxxxx0000xxxx", InstName.Smlal, InstEmit32.Smlal, OpCodeT32AluUmull.Create);
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SetT32("111110111100xxxxxxxxxxxx10xxxxxx", InstName.Smlal__, InstEmit32.Smlal__, OpCodeT32AluUmull.Create);
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@ -1228,6 +1271,7 @@ namespace ARMeilleure.Decoders
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SetT32("111010001101xxxx111100000001xxxx", InstName.Tbh, InstEmit32.Tbh, OpCodeT32Tb.Create);
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SetT32("111010101001xxxx0xxx1111xxxxxxxx", InstName.Teq, InstEmit32.Teq, OpCodeT32AluRsImm.Create);
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SetT32("11110x001001xxxx0xxx1111xxxxxxxx", InstName.Teq, InstEmit32.Teq, OpCodeT32AluImm.Create);
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SetT32("11110011101011111000000000010010", InstName.Tsb, InstEmit32.Nop, OpCodeT32.Create); // Trace Synchronization Barrier (FEAT_TRF)
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SetT32("111010100001xxxx0xxx1111xxxxxxxx", InstName.Tst, InstEmit32.Tst, OpCodeT32AluRsImm.Create);
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SetT32("11110x000001xxxx0xxx1111xxxxxxxx", InstName.Tst, InstEmit32.Tst, OpCodeT32AluImm.Create);
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SetT32("111110101000xxxx1111xxxx0100xxxx", InstName.Uadd8, InstEmit32.Uadd8, OpCodeT32AluReg.Create);
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@ -1242,6 +1286,9 @@ namespace ARMeilleure.Decoders
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SetT32("111110100101xxxx1111xxxx10xxxxxx", InstName.Uxtb, InstEmit32.Uxtb, OpCodeT32AluUx.Create);
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SetT32("111110100011xxxx1111xxxx10xxxxxx", InstName.Uxtb16, InstEmit32.Uxtb16, OpCodeT32AluUx.Create);
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SetT32("111110100001xxxx1111xxxx10xxxxxx", InstName.Uxth, InstEmit32.Uxth, OpCodeT32AluUx.Create);
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SetT32("11110011101011111000000000000010", InstName.Wfe, InstEmit32.Nop, OpCodeT32.Create);
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SetT32("11110011101011111000000000000011", InstName.Wfi, InstEmit32.Nop, OpCodeT32.Create);
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SetT32("11110011101011111000000000000001", InstName.Yield, InstEmit32.Nop, OpCodeT32.Create);
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#endregion
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FillFastLookupTable(InstA32FastLookup, AllInstA32, ToFastLookupIndexA);
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@ -26,6 +26,11 @@ namespace ARMeilleure.Instructions
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EmitClearExclusive(context);
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}
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public static void Csdb(ArmEmitterContext context)
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{
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// Execute as no-op.
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}
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public static void Dmb(ArmEmitterContext context) => EmitBarrier(context);
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public static void Dsb(ArmEmitterContext context) => EmitBarrier(context);
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@ -15,11 +15,6 @@ namespace ARMeilleure.Instructions
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private const int DczSizeLog2 = 4; // Log2 size in words
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public const int DczSizeInBytes = 4 << DczSizeLog2;
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public static void Hint(ArmEmitterContext context)
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{
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// Execute as no-op.
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}
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public static void Isb(ArmEmitterContext context)
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{
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// Execute as no-op.
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@ -45,6 +45,7 @@ namespace ARMeilleure.Instructions
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Dsb,
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Eon,
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Eor,
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Esb,
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Extr,
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Hint,
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Isb,
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@ -82,6 +83,8 @@ namespace ARMeilleure.Instructions
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Sbfm,
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Sdiv,
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Sel,
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Sev,
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Sevl,
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Shsub8,
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Smaddl,
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Smsubl,
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@ -105,12 +108,16 @@ namespace ARMeilleure.Instructions
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Sys,
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Tbnz,
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Tbz,
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Tsb,
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Ubfm,
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Udiv,
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Umaddl,
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Umsubl,
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Umulh,
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Und,
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Wfe,
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Wfi,
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Yield,
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// FP & SIMD (AArch64)
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Abs_S,
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