- AF and OF bits of
EFLAGS are also
zeroed out by
these instructions. The
FXSAVE and
FXRSTOR instructions were
added in the "Deschutes"
revision of Pentium...
-
reduced (and thus faster)
version of the floating-point
state (involving the
FXSAVE and
FXRSTOR instructions).[clarification needed] In 64-bit mode, near branches...
- 350, 400, and 450 MHz were also released. The
Deschutes core
introduced FXSAVE and
FXRSTOR instructions for fast FPU
context save and restore. Towards...
- RDPMC, UD2. New
instructions in
Pentium II
Deschutes core: MMX,
FXSAVE, FXRSTOR. New
instructions in
Pentium III:
Streaming SIMD Extensions. Celeron...
-
explicitly enables them. This
means that the OS must know how to use the
FXSAVE and
FXRSTOR instructions,
which is the
extended pair of
instructions that...
-
support to
properly save and
restore the new XMM
registers (via the
added FXSAVE and
FXRSTOR instructions.) The FX*
instructions from SSE
provide a functional...
-
extensions 23 24 fxsr
FXSAVE,
FXRSTOR instructions, CR4 bit 9
perfctr_nb Northbridge performance counter extensions 24 25
fxsr_opt FXSAVE/FXRSTOR optimizations...
-
RDPMC can only be used in ring 0. 9
OSFXSR Operating system support for
FXSAVE and
FXRSTOR instructions If set,
enables Streaming SIMD
Extensions (SSE)...
