Volume 1 Application Programming (794095), страница 75

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63clearing the MMX state ........................... 189, 209, 233CLFLUSH instruction .............................................. 66CLI instruction ........................................................ 63CMC instruction ...................................................... 63CMOVcc instructions ............................................... 42CMP instruction ...................................................... 53CMPPD instruction ................................................ 172CMPPS instruction ................................................

171CMPS instruction .................................................... 57CMPSB instruction .................................................. 57CMPSD instruction ........................................... 57, 172CMPSQ instruction .................................................. 57CMPSS instruction ................................................ 172CMPSW instruction ................................................. 5729624592—Rev.

3.13—July 2007CMPXCHG instruction ............................................ 65CMPXCHG16B instruction ...................................... 65CMPXCHG8B instruction ........................................ 65COMISD instruction .............................................. 173COMISS instruction ............................................... 173commit ............................................................. xix, 93compare instructions .......... 53, 153, 171, 220, 228, 271compatibility mode ............................................. xix, 7complex address.......................................................

16condition codes (C3–C0) ........................................ 243conditional moves ............................................ 42, 265constants ............................................................... 266control instructions (x87) ........................................ 274control transfers ........................................... 16, 58, 76control word .......................................................... 244CPUID instruction ....................... 65, 74, 176, 229, 279CQO instruction ....................................................... 46CR0.EM bit ........................................................... 249CVTDQ2PD instruction ......................................... 139CVTDQ2PS instruction .......................................... 139CVTPD2DQ instruction .........................................

163CVTPD2PI instruction ................................... 163, 224CVTPD2PS instruction........................................... 162CVTPI2PD instruction ................................... 139, 212CVTPI2PS instruction .................................... 139, 212CVTPS2DQ instruction ..........................................

163CVTPS2PD instruction........................................... 162CVTPS2PI instruction .................................... 163, 224CVTSD2SI instruction ........................................... 164CVTSD2SS instruction........................................... 162CVTSI2SD instruction ...........................................

140CVTSI2SS instruction ............................................ 140CVTSS2SD instruction........................................... 162CVTSS2SI instruction ............................................ 164CVTTPD2DQ instruction ....................................... 163CVTTPD2PI instruction ................................. 163, 224CVTTPS2DQ instruction ........................................ 163CVTTPS2PI instruction .................................. 163, 224CVTTSD2SI instruction ......................................... 164CVTTSS2SI instruction .......................................... 164CWD instruction ......................................................

46CWDE instruction .................................................... 46CX register ........................................................ 25, 26DDAA instruction................................................. 48, 69DAS instruction ................................................. 48, 69data conversion instructions 46, 139, 162, 211, 224, 264data reordering instructions ...................... 140, 165, 212data transfer instructions ............. 42, 135, 157, 209, 264data typesIndex24592—Rev. 3.13—July 2007128-bit media ..................................................... 121128-bit media floating-point ................................ 13064-bit media .......................................................

201general-purpose .................................................... 36mismatched ........................................................ 188x87 ............................................................. 250, 257DAZ bit ................................................................ 119DE bit ..................................... 118, 119, 181, 242, 282DEC instruction ................................................. 51, 70decimal adjust instructions........................................

48decrement ............................................................... 51default address size .................................................. 17default operand size ................................................. 29denormalized numbers .................................... 128, 255denormalized-operand exception (DE) .............. 181, 282dependencies .........................................................

102DF bit ..................................................................... 35DH register........................................................ 25, 26DI register ......................................................... 25, 26DIL register ............................................................. 26direct far jump ................................................... 58, 61direct referencing ..................................................... xxdirection flag ...........................................................

35displacements ............................................... xx, 17, 68DIV instruction ........................................................ 50division ................................................................... 50DIVPD instruction ................................................. 170DIVPS instruction.................................................. 170DIVSD instruction ................................................. 170DIVSS instruction.................................................. 170DL register ........................................................ 25, 26DM bit ...........................................................

119, 245dot product ..................................................... 112, 197double quadword ..................................................... xxdouble-extended-precision format ........................... 252double-precision format ..................................

127, 252doubleword ............................................................. xxDX register........................................................ 25, 26EEAX register ..................................................... 25, 26eAX–eSP register .................................................

xxviEBP register ...................................................... 25, 26EBX register...................................................... 25, 26ECX register...................................................... 25, 26EDI register ....................................................... 25, 26EDX register ..................................................... 25, 26effective address ................................................ 15, 49effective address size ................................................ xxeffective operand size ......................................... xx, 39EFLAGS register ...............................................

25, 33eFLAGS register ................................................... xxviIndexAMD64 TechnologyEIP register.............................................................. 20eIP register ........................................................... xxvielement ...................................................................

xxEM bit................................................................... 249EMMS instruction .......................................... 209, 233empty ............................................................ 232, 246emulation (EM) bit ................................................. 249endian byte-ordering ................................ xxviii, 14, 48ENTER instruction ................................................... 44environmentx87 ............................................................

248, 276ES bit .................................................................... 243ESI register........................................................ 25, 26ESP register ....................................................... 25, 26exception status (ES) bit .........................................

243exceptions ......................................................... xx, 86#MF causes ................................................ 231, 280#XF causes ......................................................... 178128-bit media ..................................................... 17764-bit media .......................................................

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