Shift (sal, shl, sar, shr) (IA

Each shift divides the destination operand by 2, while preserving the sign. For example, mov cl, -74 ; 2's complement of -74 is 0B6h sar cl, 1 ; CL is now -37 ...

由 KR Irvine 著作 · 被引用 107 次 — SAR (shift arithmetic right) performs a right arithmetic shift on the destination operand. CF. An arithmetic shift preserves the number's sign. mov dl,-80 sar ...

The SAR and SHR instructions can be used to perform signed or unsigned division, respectively, of the destination operand by powers of 2. For example, using ...

The SAR and SHR instructions can be used to perform signed or unsigned division, respectively, of the destination operand by powers of 2. For example, using ...

2012年10月10日 — SAR command in X86 assembly with one parameter ... What does this do? I know that sar with two arguments performs a right shift, but I can't find ...

Documentation Home > x86 Assembly Language Reference Manual > Chapter 2 Instruction-Set Mapping > Arithmetic Logical Instructions > Shift (sal, shl, sar, shr).

sar right shifts (signed divides) a byte, word, or long value for a count specified by an immediate value and stores the quotient in that byte, word, or long ...

SAR (Shift Arithmetic Right) performs a right arithmetic shift on its operand. • The instruction format is: SAR destination, bits_shifted. • Instruction formats ...

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