User Guide

300 Index
AMD64 Technology 24592—Rev. 3.15—November 2009
PFMAX instruction................................................ 228
PFMIN instruction ................................................. 228
PFMUL instruction ................................................ 225
PFNACC instruction .............................................. 226
PFPNACC instruction ............................................ 226
PFRCP instruction ................................................. 227
PFRCPIT1 instruction ............................................ 227
PFRCPIT2 instruction ............................................ 227
PFRSQIT1 instruction............................................ 227
PFRSQRT instruction ............................................ 227
PFSUB instruction ................................................. 225
PFSUBR instruction............................................... 225
physical memory ..................................................... 11
Pi................................................................... 265, 270
PI2FD instruction .................................................. 212
PI2FW instruction.................................................. 212
PINSRW instruction ....................................... 143, 214
PM bit............................................................ 119, 244
PMADDWD instruction .................................. 149, 218
PMAXSW instruction ..................................... 155, 221
PMAXUB instruction...................................... 155, 221
PMINSW instruction....................................... 155, 221
PMINUB instruction ....................................... 155, 221
PMOVMSKB instruction ................................ 138, 211
PMULHRW instruction.......................................... 217
PMULHUW instruction .................................. 147, 217
PMULHW instruction ..................................... 147, 217
PMULLW instruction ..................................... 147, 217
PMULUDQ instruction ................................... 147, 217
pointers................................................................... 19
POP instruction ................................................. 44, 69
POP segReg instruction............................................ 49
POPA instruction............................................... 44, 69
POPAD instruction ............................................ 44, 69
POPCNT................................................................. 54
POPF instruction ..................................................... 62
POPFD instruction................................................... 62
POPFQ instruction................................................... 62
POR instruction .............................................. 156, 222
post-computation exceptions............................ 182, 282
precision control (PC) field.............................. 245, 260
precision exception (PE).................................. 181, 282
pre-computation exceptions ............................. 182, 282
PREFETCH instruction .................................... 66, 100
prefetching ............................................... 99, 101, 190
PREFETCHlevel instruction............................... 66, 99
PREFETCHNTA instruction .................................. 100
PREFETCHT0 instruction...................................... 100
PREFETCHT1 instruction...................................... 100
PREFETCHT2 instruction...................................... 100
PREFETCHW instruction................................. 66, 100
prefixes
128-bit media
..................................................... 175
64-bit media
....................................................... 228
general-purpose .................................................... 71
REX .................................................................... 26
x87 .................................................................... 277
priority of exceptions...................................... 182, 282
privilege level .................................................... 76, 88
procedure calls......................................................... 79
procedure stack ........................................................ 77
processor features..................................................... 74
processor identification............................................. 65
processor vendor ...................................................... 75
processor version ..................................................... 75
program order .......................................................... 93
programming model
128-bit media ..................................................... 105
64-bit media ....................................................... 193
x87 .................................................................... 237
protected mode ........................................... xxiii, 7, 13
PSADBW instruction ..................................... 151, 219
pseudo-denormalized numbers ................................ 255
pseudo-infinity....................................................... 253
pseudo-NaN........................................................... 253
PSHUFD instruction............................................... 144
PSHUFHW instruction ........................................... 144
PSHUFLW instruction............................................ 144
PSHUFW instruction.............................................. 215
PSLLD instruction ......................................... 152, 219
PSLLDQ instruction............................................... 152
PSLLQ instruction ......................................... 152, 219
PSLLW instruction......................................... 152, 219
PSRAD instruction......................................... 153, 220
PSRAW instruction ........................................ 153, 220
PSRLD instruction ......................................... 152, 220
PSRLDQ instruction............................................... 152
PSRLQ instruction ......................................... 152, 220
PSRLW instruction ........................................ 152, 220
PSUBB instruction ......................................... 147, 217
PSUBD instruction......................................... 147, 217
PSUBQ instruction......................................... 147, 217
PSUBSB instruction ....................................... 147, 217
PSUBSW instruction ...................................... 147, 217
PSUBUSB instruction ............................................ 147
PSUBUSW instruction ........................................... 147
PSUBW instruction ........................................ 147, 217
PSWAPD instruction.............................................. 215
PUNPCKHBW instruction.............................. 141, 213
PUNPCKHDQ instruction ...................................... 141
PUNPCKHQDQ instruction.................................... 141
PUNPCKHWD instruction ..................................... 141
PUNPCKLBW instruction .............................. 141, 213