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vault backup: 2024-01-05 23:10:56

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sweetbread
2024-01-05 23:10:56 +03:00
parent ff9b6251e5
commit af34488cd2
6 changed files with 83 additions and 16 deletions
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X86/Общего назначения/Двоичные арифметические/CMP.md
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| Opcode | Instruction | Op/En | 64-Bit Mode | Compat/Leg Mode | Description |
| ---------------- | ---------------- | ----- | ----------- | --------------- | -------------------------------------------------- |
| 3C ib | CMP AL, imm8 | I | Valid | Valid | Compare imm8 with AL. |
| 3D iw | CMP AX, imm16 | I | Valid | Valid | Compare imm16 with AX. |
| 3D id | CMP EAX, imm32 | I | Valid | Valid | Compare imm32 with EAX. |
| REX.W + 3D id | CMP RAX, imm32 | I | Valid | N.E. | Compare imm32 sign-extended to 64-bits with RAX. |
| 80 /7 ib | CMP r/m8, imm8 | MI | Valid | Valid | Compare imm8 with r/m8. |
| REX + 80 /7 ib | CMP r/m8\*, imm8 | MI | Valid | N.E. | Compare imm8 with r/m8. |
| 81 /7 iw | CMP r/m16, imm16 | MI | Valid | Valid | Compare imm16 with r/m16. |
| 81 /7 id | CMP r/m32, imm32 | MI | Valid | Valid | Compare imm32 with r/m32. |
| REX.W + 81 /7 id | CMP r/m64, imm32 | MI | Valid | N.E. | Compare imm32 sign-extended to 64-bits with r/m64. |
| 83 /7 ib | CMP r/m16, imm8 | MI | Valid | Valid | Compare imm8 with r/m16. |
| 83 /7 ib | CMP r/m32, imm8 | MI | Valid | Valid | Compare imm8 with r/m32. |
| REX.W + 83 /7 ib | CMP r/m64, imm8 | MI | Valid | N.E. | Compare imm8 with r/m64. |
| 38 /r | CMP r/m8, r8 | MR | Valid | Valid | Compare r8 with r/m8. |
| REX + 38 /r | CMP r/m8\*, r8\* | MR | Valid | N.E. | Compare r8 with r/m8. |
| 39 /r | CMP r/m16, r16 | MR | Valid | Valid | Compare r16 with r/m16. |
| 39 /r | CMP r/m32, r32 | MR | Valid | Valid | Compare r32 with r/m32. |
| REX.W + 39 /r | CMP r/m64,r64 | MR | Valid | N.E. | Compare r64 with r/m64. |
| 3A /r | CMP r8, r/m8 | RM | Valid | Valid | Compare r/m8 with r8. |
| REX + 3A /r | CMP r8\*, r/m8\* | RM | Valid | N.E. | Compare r/m8 with r8. |
| 3B /r | CMP r16, r/m16 | RM | Valid | Valid | Compare r/m16 with r16. |
| 3B /r | CMP r32, r/m32 | RM | Valid | Valid | Compare r/m32 with r32. |
| REX.W + 3B /r | CMP r64, r/m64 | RM | Valid | N.E. | Compare r/m64 with r64. |
> * In64-bit mode, r/m8 cannot been coded to access the following byte registers if a REX prefix is used: AH, BH, CH, DH.
X86/Общего назначения/Двоичные арифметические/DEC.md
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| Opcode | Instruction | Op/En | 64-Bit Mode | Compat/Leg Mode | Description |
| ------------- | ------------ | ----- | ----------- | --------------- | ----------------------- |
| FE /1 | DEC _r/m8_ | M | Valid | Valid | Decrement _r/m8_ by 1. |
| REX + FE /1 | DEC _r/m8_\* | M | Valid | N.E. | Decrement _r/m8_ by 1. |
| FF /1 | DEC _r/m16_ | M | Valid | Valid | Decrement _r/m16_ by 1. |
| FF /1 | DEC _r/m32_ | M | Valid | Valid | Decrement _r/m32_ by 1. |
| REX.W + FF /1 | DEC _r/m64_ | M | Valid | N.E. | Decrement _r/m64_ by 1. |
| 48+rw | DEC _r16_ | O | N.E. | Valid | Decrement _r16_ by 1. |
| 48+rd | DEC _r32_ | O | N.E. | Valid | Decrement _r32_ by 1. |
> * In64-bit mode, r/m8 cannot been coded to access the following byte registers if a REX prefix is used: AH, BH, CH, DH.
X86/Общего назначения/Двоичные арифметические/INC.md
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| Opcode | Instruction | Op/En | 64-Bit Mode | Compat/Leg Mode | Description |
| ------------- | ----------- | ----- | ----------- | --------------- | ----------------------------------- |
| FE /0 | INC r/m8 | M | Valid | Valid | Increment r/m byte by 1. |
| REX + FE /0 | INC r/m8\* | M | Valid | N.E. | Increment r/m byte by 1. |
| FF /0 | INC r/m16 | M | Valid | Valid | Increment r/m word by 1. |
| FF /0 | INC r/m32 | M | Valid | Valid | Increment r/m doubleword by 1. |
| REX.W + FF /0 | INC r/m64 | M | Valid | N.E. | Increment r/m quadword by 1. |
| 40+ rw\*\* | INC r16 | O | N.E. | Valid | Increment word register by 1. |
| 40+ rd | INC r32 | O | N.E. | Valid | Increment doubleword register by 1. |
> \*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.
>
> \*\*40H through 47H are REX prefixes in 64-bit mode.
X86/Общего назначения/Двоичные арифметические/NEG.md
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| Opcode | Instruction | Op/En | 64-Bit Mode | Compat/Leg Mode | Description |
| ------------- | ----------- | ----- | ----------- | --------------- | ------------------------------ |
| F6 /3 | NEG r/m8 | M | Valid | Valid | Two's complement negate r/m8. |
| REX + F6 /3 | NEG r/m8\* | M | Valid | N.E. | Two's complement negate r/m8. |
| F7 /3 | NEG r/m16 | M | Valid | Valid | Two's complement negate r/m16. |
| F7 /3 | NEG r/m32 | M | Valid | Valid | Two's complement negate r/m32. |
| REX.W + F7 /3 | NEG r/m64 | M | Valid | N.E. | Two's complement negate r/m64. |
> \* 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.