
358
Index
AMD 64-Bit Technology
24593—Rev. 3.09—September 2003
fault............................................................ 105
FBLD instruction...................................... 318
FBSTP instruction .................................... 318
FCMOVcc instructions............................. 319
FCOM instruction..................................... 327
FCOMI instruction.................................... 327
FCOMIP instruction................................. 327
FCOMP instruction................................... 327
FCOMPP instruction................................ 327
FCOS instruction...................................... 325
FCW register............................................. 298
FDECSTP instruction............................... 330
FDIV instruction....................................... 323
FDIVP instruction .................................... 323
FDIVR instruction.................................... 323
FDIVRP instruction.................................. 323
feature detection........................................ 90
FEMMS instruction.......................... 247, 279
FERR# output signal................................ 349
FFREE instruction ................................... 331
FICOM instruction.................................... 329
FICOMP instruction................................. 329
FIDIV instruction ..................................... 323
FIMUL instruction.................................... 323
FINCSTP instruction................................ 330
FINIT instruction...................................... 331
FIST instruction........................................ 318
FISTP instruction ..................................... 318
FISUB instruction..................................... 322
flags instructions ........................................ 75
FLAGS register ..................................... 29, 37
FLD instruction......................................... 317
FLD1 instruction....................................... 320
FLDL2E instruction.................................. 320
FLDL2T instruction.................................. 320
FLDLG2 instruction ................................. 320
FLDLN2 instruction ................................. 320
FLDPI instruction..................................... 320
FLDZ instruction...................................... 320
floating-point data types
128-bit media.......................................... 150
3DNow! ............................................... 243
64-bit media............................................ 243
x87........................................................... 301
flush ......................................................... xxiii
flush-to-zero (FZ) bit ................................ 144
FMUL instruction..................................... 322
FMULP instruction................................... 322
FNINIT instruction................................... 331
FNOP instruction...................................... 331
FNSAVE instruction......... 264, 265, 280, 334
FPATAN instruction................................. 325
FPR0–FPR7 registers............................... 288
FPREM instruction.................................. 324
FPREM1 instruction................................ 325
FPTAN instruction................................... 325
FPU control word..................................... 293
FPU status word....................................... 289
FRNDINT instruction.............................. 324
FRSTOR instruction ................ 265, 280, 334
FS register .................................................. 20
FSAVE instruction ........... 264, 265, 280, 334
FSCALE instruction................................. 326
FSIN instruction....................................... 325
FSINCOS instruction............................... 325
FST instruction......................................... 317
FSTP instruction...................................... 318
FSUB instruction...................................... 322
FSUBP instruction................................... 322
FSUBR instruction................................... 322
FSUBRP instruction ................................ 322
FSW register............................................. 299
FTST instruction...................................... 329
FTW register............................................. 299
FUCOMx instructions.............................. 328
full ..................................................... 277, 296
FXAM instruction.................................... 329
FXCH instruction..................................... 320
FXRSTOR instruction ..... 186, 265, 280, 334
FXSAVE instruction ........ 186, 265, 280, 334
FXTRACT instruction.............................. 320
FYL2X instruction................................... 326
FYL2XP1 instruction............................... 326
FZ bit......................................................... 144
G
general-purpose programming.................. 27
general-purpose registers (GPRs)............. 27
GPR registers.............................................. 27
GS register.................................................. 20
H
hidden integer bit ............ 151, 153, 302, 306
I
I/O.............................................................. 109
address space......................................... 110
addresses.......................................... 77, 110
instructions.............................................. 76
memory-mapped.................................... 111
ports.................................. 77, 110, 147, 240
privilege level........................................ 112
IDIV instruction......................................... 60
IE bit.................................. 142, 213, 291, 339