Volume 1 Application Programming (794095), страница 79
Текст из файла (страница 79)
140, 212PADDB instruction ........................................ 146, 216PADDD instruction ........................................ 146, 216PADDQ instruction ........................................ 146, 216PADDSB instruction ...................................... 146, 216PADDSW instruction ..................................... 146, 216PADDUSB instruction ............................................ 146PADDUSW instruction ...........................................
146PADDW instruction ....................................... 146, 216PAND instruction ........................................... 155, 222PANDN instruction ........................................ 155, 222parallel operations .......................................... 106, 194parameter passing .................................................. 188parity flag ................................................................ 35partial remainder .................................................... 269PAVGB instruction .........................................
150, 219PAVGUSB instruction ............................................ 219PAVGW instruction ........................................ 150, 219PC field ......................................................... 245, 261PCMPEQB instruction ................................... 153, 220PCMPEQD instruction ................................... 153, 220PCMPEQW instruction ..................................
153, 220PCMPGTB instruction ................................... 153, 220PCMPGTD instruction ................................... 153, 220PCMPGTW instruction .................................. 153, 220PC-relative addressing ........................................ 16, 18PE bit ..............................................
119, 181, 243, 283performance considerations128-bit media ..................................................... 18964-bit media ....................................................... 235general-purpose ..................................................
101x87 .................................................................... 292PEXTRW instruction...................................... 143, 214PF bit ...................................................................... 35PF2ID instruction ................................................... 224PF2IW instruction .................................................. 224PFACC instruction .................................................
226PFADD instruction ................................................. 225Ooctword ................................................................ xxiiiOE bit ............................................. 119, 181, 243, 283OF bit ..................................................................... 36offset ................................................................... xxiiiOM bit ........................................................... 119, 245opcode .............................................................. 7, 248operand size ............... 29, 39, 68, 70, 72, 101, 189, 235operands128-bit media .....................................................
12064-bit media ....................................................... 201addressing ............................................................ 40general-purpose .................................................... 36x87 .................................................................... 250operating modes .................................................... 2, 6OR instruction .........................................................
56ordered compare ............................................. 174, 273ORPD instruction .................................................. 175ORPS instruction ................................................... 174OSXMMEXCPT bit............................................... 179OUT instruction....................................................... 64OUTS instruction..................................................... 64Index301AMD64 TechnologyPFCMPEQ instruction............................................ 228PFCMPGE instruction............................................
228PFCMPGT instruction............................................ 228PFMAX instruction................................................ 228PFMIN instruction ................................................. 228PFMUL instruction ................................................ 225PFNACC instruction ..............................................
226PFPNACC instruction ............................................ 226PFRCP instruction ................................................. 227PFRCPIT1 instruction ............................................ 227PFRCPIT2 instruction ............................................ 227PFRSQIT1 instruction ............................................ 227PFRSQRT instruction.............................................
227PFSUB instruction ................................................. 225PFSUBR instruction............................................... 225physical memory ..................................................... 11Pi................................................................... 266, 271PI2FD instruction .................................................. 212PI2FW instruction.................................................. 212PINSRW instruction........................................ 143, 214PM bit............................................................ 119, 245PMADDWD instruction .................................. 149, 218PMAXSW instruction .....................................
155, 221PMAXUB instruction...................................... 155, 221PMINSW instruction....................................... 155, 221PMINUB instruction ....................................... 155, 221PMOVMSKB instruction ................................ 138, 211PMULHRW instruction .......................................... 217PMULHUW instruction .................................. 147, 217PMULHW instruction ..................................... 147, 217PMULLW instruction ......................................
147, 217PMULUDQ instruction ................................... 147, 217pointers ................................................................... 19POP instruction ................................................. 44, 69POP segReg instruction ............................................ 49POPA instruction ...............................................
44, 69POPAD instruction ............................................ 44, 69POPCNT ................................................................. 54POPF instruction ..................................................... 62POPFD instruction ................................................... 62POPFQ instruction ................................................... 62POR instruction ..............................................
156, 222post-computation exceptions ............................ 182, 283precision control (PC) field .............................. 245, 261precision exception (PE) .................................. 181, 283pre-computation exceptions ............................. 182, 283PREFETCH instruction ..................................... 66, 100prefetching ............................................... 99, 101, 190PREFETCHlevel instruction ...............................
66, 99PREFETCHNTA instruction ................................... 100PREFETCHT0 instruction ...................................... 10030224592—Rev. 3.13—July 2007PREFETCHT1 instruction ...................................... 100PREFETCHT2 instruction ...................................... 100PREFETCHW instruction ................................. 66, 100prefixes128-bit media ..................................................... 17564-bit media .......................................................
228general-purpose .................................................... 71REX .................................................................... 26x87 .................................................................... 278priority of exceptions...................................... 182, 283privilege level .................................................... 76, 88procedure calls ......................................................... 79procedure stack ........................................................
77processor features .................................................... 74processor identification ............................................. 65processor vendor ...................................................... 75processor version ..................................................... 75program order .......................................................... 93programming model128-bit media .....................................................
10564-bit media ....................................................... 193x87 .................................................................... 237protected mode ........................................... xxiii, 7, 13PSADBW instruction ..................................... 151, 219pseudo-denormalized numbers ................................ 256pseudo-infinity ....................................................... 254pseudo-NaN .......................................................... 254PSHUFD instruction .............................................. 144PSHUFHW instruction ...........................................
144PSHUFLW instruction ............................................ 144PSHUFW instruction.............................................. 215PSLLD instruction ......................................... 152, 219PSLLDQ instruction ............................................... 152PSLLQ instruction ......................................... 152, 219PSLLW instruction .........................................
152, 219PSRAD instruction ......................................... 153, 220PSRAW instruction ........................................ 153, 220PSRLD instruction ......................................... 152, 220PSRLDQ instruction .............................................. 152PSRLQ instruction ......................................... 152, 220PSRLW instruction ........................................ 152, 220PSUBB instruction .........................................
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