Volume 1 Application Programming (794095), страница 82
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87trigonometric functions .......................................... 270TSS ...................................................................... xxvXYY bit ..................................................................... 246UZUCOMISD instruction ........................................... 173UCOMISS instruction ............................................ 173UE bit ............................................. 119, 181, 243, 283ulp ................................................................. 133, 262UM bit ........................................................... 119, 245underflow .......................................................
xxv, 283underflow exception (UE)................................ 181, 283unit in the last place (ulp) ................................ 133, 262unmask .......................................................... 119, 245unmasked responses ........................................ 187, 289unnormal numbers ................................................. 254unordered compare ......................................... 174, 272unpack instructions ................................. 141, 165, 213UNPCKHPD instruction ........................................
165UNPCKHPS instruction ......................................... 165UNPCKLPD instruction ......................................... 165UNPCKLPS instruction ......................................... 165unsupported number types ...................................... 254ZE bit.............................................. 119, 181, 242, 282zero............................................................... 129, 256zero flag .................................................................. 35zero-divide exception (ZE).............................. 181, 282zero-extension .............................................
16, 29, 68ZF bit ...................................................................... 35ZM bit........................................................... 119, 245Vvector............................................................... xxv, 86vector operations ............................................ 106, 194virtual address ................................................... 11, 12virtual memory ..........................................................
9virtual-8086 mode......................................... xxv, 7, 13Wweakly ordered memory ........................................... 91write buffers ............................................................ 97Index305AMD64 Technology30624592—Rev. 3.13—July 2007Index.
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