Volume 1 Application Programming (794095), страница 77

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156, 223, 234, 277FXSAVE instruction ......................... 156, 223, 234, 277FXTRACT instruction ............................................ 266FYL2X instruction ................................................. 271FYL2XP1 instruction ............................................. 271FZ bit .................................................................... 120Ggeneral-purpose instructions .......................................

4general-purpose registers (GPRs) .............................. 23GPR .......................................................................... 3GPR registers........................................................... 23GS register .............................................................. 17HHADDPD instruction ..................................... 167, 168HADDPS instruction .............................................. 167hidden integer bit .............................

126, 128, 252, 255HSUBPD instruction .............................................. 168HSUBPS instruction............................................... 168II/O .......................................................................... 90Index24592—Rev. 3.13—July 2007address space ....................................................... 90addresses ....................................................... 64, 90instructions .......................................................... 63memory-mapped .................................................. 91ports ...............................................

64, 90, 123, 203privilege level ....................................................... 92IDIV instruction ...................................................... 50IE bit .............................................. 118, 180, 242, 281IEEE 754 Standard .......................... 119, 127, 238, 251IEEE-754 standard ..................................................... 5IGN .......................................................................

xxiIGNNE# input signal ............................................. 291IM bit ............................................................ 119, 245immediate operands ...................................... 17, 40, 68implied integer bit ........................................... 126, 252IMUL instruction ..................................................... 50IN instruction .......................................................... 64INC instruction .................................................. 51, 70increment ................................................................

51indefinite valuefloating-point .............................................. 131, 259integer ........................................................ 131, 259packed-decimal .................................................. 259indirect .................................................................. xxiinexact-result exception ....................

119, 181, 243, 283infinity ........................................................... 129, 256infinity bit (Y) ....................................................... 246initializationMSCSR register ................................................. 118x87 control word ................................................ 244XMM registers ...................................................

117inner product .................................................. 112, 197input/output (I/O)..................................................... 90INS instruction ........................................................ 64INSB instruction ...................................................... 64INSD instruction ...................................................... 64insert instructions............................................

143, 214INSERTQ ............................................................. 143instruction pointer .................................................... 20instruction prefixes128-bit media ..................................................... 17564-bit media ....................................................... 228general-purpose ....................................................

71x87 .................................................................... 278instruction set ............................................................ 3instruction-relative address ....................................... 16instructions128-bit media .............................................. 105, 15664-bit media ................................................

207, 223floating-point ....................... 107, 156, 199, 223, 238general-purpose .................................................... 41I/O ...................................................................... 95invalid in 64-bit mode ...........................................

69IndexAMD64 Technologylocked .................................................................. 95memory ordering .................................................. 94prefixes ......................................... 71, 175, 228, 278serializing ............................................................ 95x87 .................................................................... 262INSW instruction ..................................................... 64INT instruction ........................................................

61integer bit ........................................ 126, 128, 252, 255integer data types128-bit media ..................................................... 12464-bit media ....................................................... 204general-purpose .................................................... 36x87 .................................................................... 253interleave instructions .....................................

165, 213interrupt vector ........................................................ 86interrupts and exceptions .................................... 62, 86INTO instruction ................................................ 61, 69invalid-operation exception (IE) ...................... 180, 281IOPL ....................................................................... 92IP register ................................................................

20IP-relative addressing ..................................... 6, 16, 18IRET instruction ...................................................... 61IRETD instruction .................................................... 62IRETQ instruction .................................................... 62JJ bit ............................................................... 126, 252Jcc instructions .................................................. 59, 78JMP instruction .................................................. 58, 69LLAHF instruction ..................................................... 63last data pointer......................................................

248last instruction pointer ............................................ 247last opcode ............................................................ 248LDDQU instruction ................................................ 135LDMXCSR instruction ........................................... 156LDS instruction .................................................

49, 69LEA instruction ....................................................... 49LEAVE instruction ................................................... 44legacy mode ....................................................... xxi, 7legacy x86 .............................................................. xxiLES instruction .................................................. 49, 69LFENCE instruction.................................................

66LFS instruction ........................................................ 49LGS instruction ....................................................... 49limiting ................................................................. 125linear address ..................................................... 11, 12LOCK prefix ........................................................... 73LODS instruction .....................................................

57LODSB instruction .................................................. 57LODSD instruction .................................................. 57299AMD64 TechnologyLODSQ instruction .................................................. 57LODSW instruction ................................................. 57logarithmic functions ............................................. 271logarithms ............................................................. 266logical instructions .............................

56, 155, 174, 222logical shift ............................................................. 53long mode ......................................................... xxii, 6LOOPcc instructions ................................................ 60LSB ......................................................................

xxiilsb ........................................................................ xxiiLSS instruction ........................................................ 49LZCNT ................................................................... 54Mmask ...................................................... xxii, 119, 245masked responses ........................................... 184, 285MASKMOVDQU instruction .......................... 136, 211matrix operations ............................................ 112, 196MAXPD instruction ............................................... 172MAXPS instruction................................................

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