Intel core 2 Duo T5850 Especificaciones Pagina 62

  • Descarga
  • Añadir a mis manuales
  • Imprimir
  • Pagina
    / 292
  • Tabla de contenidos
  • MARCADORES
  • Valorado. / 5. Basado en revisión del cliente
Vista de pagina 61
Intel
®
64 and IA-32 Architectures Software Developer’s Manual Documentation Changes 62
Documentation Changes
IMUL—Signed Multiply
Instruction Operand Encoding
...
Opcode Instruction Op/
En
64-Bit
Mode
Compat/
Leg Mode
Description
F6 /5 IMUL r/m8* AValid Valid AX AL r/m byte.
F7 /5 IMUL r/m16 AValid Valid DX:AX AX r/m word.
F7 /5 IMUL r/m32 AValid Valid EDX:EAX EAX r/m32.
REX.W + F7 /5 IMUL r/m64 A Valid N.E. RDX:RAX RAX r/m64.
0F AF /r IMUL r16, r/m16 BValid Valid word register word
register r/m16.
0F AF /r IMUL r32, r/m32 B Valid Valid doubleword register
doubleword register
r/m32.
REX.W + 0F AF
/r
IMUL r64, r/m64 B Valid N.E. Quadword register
Quadword register r/m64.
6B /r ib IMUL r16, r/m16,
imm8
CValid Valid word register r/m16
sign-extended immediate
byte.
6B /r ib IMUL r32, r/m32,
imm8
C Valid Valid doubleword register
r/m32 sign-extended
immediate byte.
REX.W + 6B /r ib IMUL r64, r/m64,
imm8
C Valid N.E. Quadword register r/m64
sign-extended immediate
byte.
69 /r iw IMUL r16, r/m16,
imm16
CValid Valid word register r/m16
immediate word.
69 /r id IMUL r32, r/m32,
imm32
C Valid Valid doubleword register
r/m32 immediate
doubleword.
REX.W + 69 /r id IMUL r64, r/m64,
imm32
C Valid N.E. Quadword register r/m64
immediate doubleword.
NOTES:
* In 64-bit mode, r/m8 can not be encoded to access the following byte registers if a REX prefix is
used: AH, BH, CH, DH.
Op/En Operand 1 Operand 2 Operand 3 Operand 4
A ModRM:r/m (r, w) NA NA NA
B ModRM:reg (r, w) ModRM:r/m (r) NA NA
C ModRM:reg (r, w) ModRM:r/m (r) imm8/16/32 NA
Vista de pagina 61
1 2 ... 57 58 59 60 61 62 63 64 65 66 67 ... 291 292

Comentarios a estos manuales

Sin comentarios