
Index
363
24593—Rev. 3.09—September 2003
AMD 64-Bit Technology
r8–r15........................................................ xxix
R8–R15 registers......................................... 30
R8W–R15W registers ................................. 30
range of values
128-bit media.......................................... 151
64-bit media.................................... 241, 244
x87........................................................... 303
RAX register............................................... 30
rAX–rSP..................................................... xxx
RAZ........................................................... xxvi
RBP register................................................ 30
rBP register................................................. 23
RBX register................................................ 30
RC field ..................................... 144, 294, 314
RCL instruction .......................................... 62
RCPPS instruction.................................... 202
RCPSS instruction.................................... 202
RCR instruction.......................................... 62
RCX register ............................................... 30
RDI register................................................. 30
RDX register............................................... 30
read order.................................................. 114
real address mode. See real mode
real mode...................................... xxvi, 10, 16
real numbers ..................................... 153, 305
reciprocal estimation........................ 202, 270
reciprocal square root ...................... 202, 270
register extensions ............................... 1, 3, 8
registers......................................................... 3
128-bit media.......................................... 139
64-bit media............................................ 237
eAX–eSP............................................. xxviii
eFLAGS.................................................. xxix
EIP............................................................. 25
eIP.......................................................... xxix
extensions............................................... 1, 3
IP............................................................... 25
MMX ....................................................... 237
r8–r15..................................................... xxix
rAX–rSP.................................................. xxx
rFLAGS................................................... xxx
RIP ............................................................ 25
rIP...................................................... xxx, 25
segment..................................................... 20
x87 control word .................................... 293
x87 last data pointer.............................. 298
x87 last opcode....................................... 298
x87 last-instruction pointer .................. 297
x87 physical............................................ 288
x87 stack................................................. 288
x87 status word ...................................... 289
x87 tag word........................................... 295
XMM....................................................... 139
relative ..................................................... xxvi
remainder ................................................. 324
REP prefix .................................................. 89
REPE prefix................................................ 89
repeat prefixes ................................... 89, 126
REPNE prefix............................................. 89
REPNZ prefix............................................. 89
REPZ prefix................................................ 89
reset........................................................... 141
restoring state .......................................... 351
RET instruction.................................... 74, 99
revision history......................................... xvii
REX prefixes .................................... 8, 30, 89
RFLAGS register.................................. 30, 37
rFLAGS register....................................... xxx
RIP register .......................................... 25, 30
rIP register.......................................... xxx, 25
RIP-relative addressing ................... xxvii, 22
ROL instruction.......................................... 62
ROR instruction ......................................... 62
rotate instructions...................................... 61
rounding
128-bit media................................. 144, 158
64-bit media................................... 243, 245
x87 .......................................... 294, 314, 324
rounding control (RC) field..... 144, 294, 314
RSI register................................................. 30
RSP register.......................................... 30, 96
rSP register................................................. 23
RSQRTPS instruction.............................. 202
RSQRTSS instruction .............................. 202
S
SAHF instruction....................................... 76
SAL instruction.......................................... 62
SAR instruction.......................................... 62
saturation
128-bit media......................................... 149
64-bit media........................................... 242
saving state............... 186, 222, 264, 279, 351
SBB instruction........................................... 59
scalar product................................... 136, 234
SCAS instruction........................................ 68
SCASB instruction ..................................... 68
SCASD instruction..................................... 68
SCASQ instruction..................................... 68
SCASW instruction .................................... 68
scientific programming............................ 129
segment override........................................ 88
segment registers....................................... 20