Intel core 2 Duo T5850 Especificações Página 189

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Intel
®
64 and IA-32 Architectures Software Developer’s Manual Documentation Changes 189
Documentation Changes
SQRTSS—Compute Square Root of Scalar Single-Precision Floating-Point
Value
Instruction Operand Encoding
...
STC—Set Carry Flag
Instruction Operand Encoding
...
STD—Set Direction Flag
Instruction Operand Encoding
...
Opcode* Instruction Op/
En
64-Bit
Mode
Compat/
Leg Mode
Description
F3 0F 51 /r SQRTSS xmm1,
xmm2/m32
A Valid Valid Computes square root of
the low single-precision
floating-point value in
xmm2/m32 and stores the
results in xmm1.
Op/En Operand 1 Operand 2 Operand 3 Operand 4
A ModRM:reg (w) ModRM:r/m (r) NA NA
Opcode* Instruction Op/
En
64-Bit
Mode
Compat/
Leg Mode
Description
F9 STC A Valid Valid Set CF flag.
Op/En Operand 1 Operand 2 Operand 3 Operand 4
ANA NA NA NA
Opcode* Instruction Op/
En
64-Bit
Mode
Compat/
Leg Mode
Description
FD STD A Valid Valid Set DF flag.
Op/En Operand 1 Operand 2 Operand 3 Operand 4
ANA NA NA NA
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