Table of Contents
Advertisement
add %rd, imm6
Function
Addition
Standard)
Extension 1) rd ← rd + imm19
Extension 2) rd ← rd + imm32
15
Code
0
1
1
|
|
IE
C
V
Flag
– ↔ ↔ ↔ ↔
|
|
Mode
Src:Immediate data (unsigned)
Dst:Register direct %rd = %r0 to %r15
CLK
One cycle
Description
(1) Standard
add
The 6-bit immediate imm6 is added to the rd register after being zero-extended.
(2) Extension 1
ext
add
The 19-bit immediate imm19 is added to the rd register after being zero-extended.
(3) Extension 2
ext
ext
add
The 32-bit immediate imm32 is added to the rd register.
(4) Delayed instruction
This instruction may be executed as a delayed instruction by writing it directly after a branch
instruction with the "d" bit. In this case, extension of the immediate by the ext instruction
cannot be performed.
Example
(1) add
(2) ext
ext
add
S1C33 FAMILY C33 PE CORE MANUAL
rd ← rd + imm6
12 11 10
9
|
|
0
0
0
imm6
|
|
|
|
|
Z
N
|
|
; rd ← rd + imm6
%rd,imm6
imm13
; = imm19(18:6)
; rd ← rd + imm19, imm6 = imm19(5:0)
%rd,imm6
imm13
; = imm32(31:19)
imm13
; = imm32(18:6)
; rd ← rd + imm32, imm6 = imm32(5:0)
%rd,imm6
%r0,0x3f
; r0 = r0 + 0x3f
0x1fff
0x1fff
%r1,0x3f
; r1 = r1 + 0xffffffff
4
3
0
|
r d
|
|
|
|
|
EPSON
7 DETAILS OF INSTRUCTIONS
0x60__
63
Advertisement
Table of Contents
