SGX543: Difference between revisions

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Line 781: Line 781:
'''Fields:'''
'''Fields:'''


{| class="wikitable"
|-
|
opcode2:
opcode2:


Line 795: Line 798:
| 1 || 1 || exp
| 1 || 1 || exp
|}
|}
 
||
data_format:
data_format:


Line 810: Line 813:
| 1 || 1 || invalid
| 1 || 1 || invalid
|}
|}
 
||
predicate:
predicate:


Line 832: Line 835:
|-
|-
| 1 || 1 || 1 || Pn
| 1 || 1 || 1 || Pn
|}
|}
|}


Revision as of 22:26, 9 February 2018

Instruction set

It looks like instructions are 8 bytes long. Roughly speaking - first 4 bytes contain opcode and addressing mode. Second 4 bytes contain operands encoding.

Bit encoding used in this reference.

value meaning
0 bit clear
1 bit set
x dont care
? unknown

0x00000000 - 0x08000000

Instructions: mad

Encoding:

7 6 5 4 3 2 1 0
opcode1 data_format predicate
0 0 0 0 0
7 6 5 4 3 2 1 0
x x x x x x x x
7 6 5 4 3 2 1 0
x x x x x x x x
7 6 5 4 3 2 1 0
? ? ? ? ? ? ? ?

Fields:

data_format:

2 value
0 f32
1 f16

predicate:

1 0 value
0 0
0 1 p0
1 0 !p0
1 1 Pn

Examples: 

mad.f32
p0 mad.f32
!p0 mad.f32
Pn mad.f32
 
mad.f16
p0 mad.f16
!p0 mad.f16
Pn mad.f16

0x08000000 - 0x10000000

Instructions: mul.f32

Encoding:

7 6 5 4 3 2 1 0
opcode1 predicate
0 0 0 0 1
7 6 5 4 3 2 1 0
x x x x x x x x
7 6 5 4 3 2 1 0
x x x x x x x x
7 6 5 4 3 2 1 0
? ? ? ? ? ? ? ?

Fields:

predicate:

2 1 0 value
0 0 0
0 0 1 p0
0 1 0 p1
0 1 1 p2
1 0 0 !p0
1 0 1 !p1
1 1 0 !p2
1 1 1 Pn

Examples: 

mul.f32
p0 mul.f32
p1 mul.f32
p2 mul.f32
!p0 mul.f32
!p1 mul.f32
!p2 mul.f32
Pn mul.f32

0x10000000 - 0x18000000

Instructions: mul.f16

Encoding:

7 6 5 4 3 2 1 0
opcode1 predicate
0 0 0 1 0
7 6 5 4 3 2 1 0
x x x x x x x x
7 6 5 4 3 2 1 0
x x x x x x x x
7 6 5 4 3 2 1 0
? ? ? ? ? ? ? ?

Fields:

predicate:

2 1 0 value
0 0 0
0 0 1 p0
0 1 0 p1
0 1 1 p2
1 0 0 !p0
1 0 1 !p1
1 1 0 !p2
1 1 1 Pn

Examples: 

mul.f16
p0 mul.f16
p1 mul.f16
p2 mul.f16
!p0 mul.f16
!p1 mul.f16
!p2 mul.f16
Pn mul.f16

0x18000000 - 0x20000000

Instructions: dot.f32, mad.f32

Encoding:

7 6 5 4 3 2 1 0
opcode1 predicate
0 0 0 1 1
7 6 5 4 3 2 1 0
opcode2
x x x x x x x
7 6 5 4 3 2 1 0
x x x x x x x x
7 6 5 4 3 2 1 0
? ? ? ? ? ? ? ?

Fields:

opcode2:

5 value
0 dot.f32
1 mad.f32

predicate:

2 1 0 value
0 0 0
0 0 1 p0
0 1 0 p1
0 1 1 p2
1 0 0 !p0
1 0 1 !p1
1 1 0 !p2
1 1 1 Pn

Examples: 

dot.f32
p0 dot.f32
p1 dot.f32
p2 dot.f32
!p0 dot.f32
!p1 dot.f32
!p2 dot.f32
Pn dot.f32

mad.f32
p0 mad.f32
p1 mad.f32
p2 mad.f32
!p0 mad.f32
!p1 mad.f32
!p2 mad.f32
Pn mad.f32

0x20000000 - 0x28000000

Instructions: dot, mov, rsq, rcp, exp, log

Encoding:

7 6 5 4 3 2 1 0
opcode1 predicate
0 0 1 0 0 x
7 6 5 4 3 2 1 0
op_sel data_format
x x x x x x
7 6 5 4 3 2 1 0
opcode2
x 1 x x x
7 6 5 4 3 2 1 0
? ? ? ? ? ? ? ?

Notes:

Having bit 3 in byte 2 set to 0 produces invalid instruction

Fields:

data_format:

5 value
0 f32
1 f16

predicate:

1 0 value
0 0
0 1 p0
1 0 !p0
1 1 Pn

opcode2 (depends on op_sel):

op_sel 6 5 4 value
0 0 0 0 invalid
0 0 0 1 invalid
0 0 1 0 dot
0 0 1 1 invalid
0 1 0 0 invalid
0 1 0 1 mov
0 1 1 0 rsq
0 1 1 1 rcp
op_sel 6 5 4 value
1 0 0 0 invalid
1 0 0 1 invalid
1 0 1 0 invalid
1 0 1 1 invalid
1 1 0 0 exp
1 1 0 1 log
1 1 1 0 invalid
1 1 1 1 invalid

Examples: 

dot.f32
p0 dot.f32
!p0 dot.f32
Pn dot.f32

mov.f32
p0 mov.f32
!p0 mov.f32
Pn mov.f32

rsq.f32
p0 rsq.f32
!p0 rsq.f32
Pn rsq.f32

rcp.f32
p0 rcp.f32
!p0 rcp.f32
Pn rcp.f32

exp.f32
p0 exp.f32
!p0 exp.f32
Pn exp.f32

log.f32
p0 log.f32
!p0 log.f32
Pn log.f32

dot.f16
p0 dot.f16
!p0 dot.f16
Pn dot.f16

mov.f16
p0 mov.f16
!p0 mov.f16
Pn mov.f16

rsq.f16
p0 rsq.f16
!p0 rsq.f16
Pn rsq.f16

rcp.f16
p0 rcp.f16
!p0 rcp.f16
Pn rcp.f16

exp.f16
p0 exp.f16
!p0 exp.f16
Pn exp.f16

log.f16
p0 log.f16
!p0 log.f16
Pn log.f16

0x28000000 - 0x30000000

Instructions: dot, mov, rsq, rcp

Encoding:

7 6 5 4 3 2 1 0
opcode1 predicate
0 0 1 0 1 x
7 6 5 4 3 2 1 0
data_format
x x x x x x x
7 6 5 4 3 2 1 0
opcode2
x 1 x x x
7 6 5 4 3 2 1 0
? ? ? ? ? ? ? ?

Notes:

Having bit 3 in byte 2 set to 0 produces invalid instruction

Fields:

data_format:

5 value
0 f32
1 f16

predicate:

1 0 value
0 0
0 1 p0
1 0 !p0
1 1 Pn

opcode2:

6 5 4 value
0 0 0 invalid
0 0 1 invalid
0 1 0 dot
0 1 1 invalid
1 0 0 invalid
1 0 1 mov
1 1 0 rsq
1 1 1 rcp

Examples: 


dot.f32
p0 dot.f32
!p0 dot.f32
Pn dot.f32

mov.f32
p0 mov.f32
!p0 mov.f32
Pn mov.f32

rsq.f32
p0 rsq.f32
!p0 rsq.f32
Pn rsq.f32

rcp.f32
p0 rcp.f32
!p0 rcp.f32
Pn rcp.f32

dot.f16
p0 dot.f16
!p0 dot.f16
Pn dot.f16

mov.f16
p0 mov.f16
!p0 mov.f16
Pn mov.f16

rsq.f16
p0 rsq.f16
!p0 rsq.f16
Pn rsq.f16

rcp.f16
p0 rcp.f16
!p0 rcp.f16
Pn rcp.f16

0x30000000 - 0x38000000

Instructions: rcp, rsq, log, exp

Encoding:

7 6 5 4 3 2 1 0
opcode1 predicate
0 0 1 1 0
7 6 5 4 3 2 1 0
data_format
x x x x x x
7 6 5 4 3 2 1 0
opcode2 modifier
x x x x x
7 6 5 4 3 2 1 0
? ? ? ? ? ? ? ?

Fields:

opcode2:

2 1 value
0 0 rcp
0 1 rsq
1 0 log
1 1 exp

data_format:

6 5 value
0 0 f32
0 1 f16
1 0 fx10
1 1 invalid

predicate:

2 1 0 value
0 0 0
0 0 1 p0
0 1 0 p1
0 1 1 p2
1 0 0 p3
1 0 1 !p0
1 1 0 !p1
1 1 1 Pn

modifier (depends on data_format):

data_format 0 value
0 0 0
0 0 1 fx10


data_format 0 value
0 1 0 f32
0 1 1 fx10


data_format 0 value
1 0 0 f32
1 0 1


Examples: 



0x38000000 - 0x40000000












7
6
5
4
3
2
1
0




opcode1





0
0
1
1
1
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















?
?
?
?
?
?
?
?





0x40000000 - 0x48000000












7
6
5
4
3
2
1
0




opcode1





0
1
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















?
?
?
?
?
?
?
?





0x48000000 - 0x50000000












7
6
5
4
3
2
1
0




opcode1





0
1
0
0
1
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















?
?
?
?
?
?
?
?





0x50000000 - 0x58000000












7
6
5
4
3
2
1
0




opcode1





0
1
0
1
0
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















?
?
?
?
?
?
?
?





0x58000000 - 0x60000000












7
6
5
4
3
2
1
0




opcode1





0
1
0
1
1
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















?
?
?
?
?
?
?
?





0x60000000 - 0x68000000












7
6
5
4
3
2
1
0




opcode1





0
1
1
0
0
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















?
?
?
?
?
?
?
?





0x68000000 - 0x70000000












7
6
5
4
3
2
1
0




opcode1





0
1
1
0
1
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















?
?
?
?
?
?
?
?





0x70000000 - 0x78000000












7
6
5
4
3
2
1
0




opcode1





0
1
1
1
0
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















?
?
?
?
?
?
?
?





0x78000000 - 0x80000000












7
6
5
4
3
2
1
0




opcode1





0
1
1
1
1
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















?
?
?
?
?
?
?
?





0x80000000 - 0x88000000












7
6
5
4
3
2
1
0




opcode1





1
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















?
?
?
?
?
?
?
?





0x88000000 - 0x90000000












7
6
5
4
3
2
1
0




opcode1





1
0
0
0
1
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















?
?
?
?
?
?
?
?





0x90000000 - 0x98000000












7
6
5
4
3
2
1
0




opcode1





1
0
0
1
0
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















?
?
?
?
?
?
?
?





0x98000000 - 0xA0000000












7
6
5
4
3
2
1
0




opcode1





1
0
0
1
1
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















?
?
?
?
?
?
?
?





0xA0000000 - 0xA8000000












7
6
5
4
3
2
1
0




opcode1





1
0
1
0
0
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















?
?
?
?
?
?
?
?





0xA8000000 - 0xB0000000












7
6
5
4
3
2
1
0




opcode1





1
0
1
0
1
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















?
?
?
?
?
?
?
?





0xB0000000 - 0xB8000000












7
6
5
4
3
2
1
0




opcode1





1
0
1
1
0
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















?
?
?
?
?
?
?
?





0xB8000000 - 0xC0000000












7
6
5
4
3
2
1
0




opcode1





1
0
1
1
1
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















?
?
?
?
?
?
?
?





0xC0000000 - 0xC8000000












7
6
5
4
3
2
1
0




opcode1





1
1
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















?
?
?
?
?
?
?
?





0xC8000000 - 0xD0000000












7
6
5
4
3
2
1
0




opcode1





1
1
0
0
1
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















?
?
?
?
?
?
?
?





0xD0000000 - 0xD8000000












7
6
5
4
3
2
1
0




opcode1





1
1
0
1
0
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















?
?
?
?
?
?
?
?





0xD8000000 - 0xE0000000












7
6
5
4
3
2
1
0




opcode1





1
1
0
1
1
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















?
?
?
?
?
?
?
?





0xE0000000 - 0xE8000000












7
6
5
4
3
2
1
0




opcode1





1
1
1
0
0
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















?
?
?
?
?
?
?
?





0xE8000000 - 0xF0000000












7
6
5
4
3
2
1
0




opcode1





1
1
1
0
1
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















?
?
?
?
?
?
?
?





0xF0000000 - 0xF8000000












7
6
5
4
3
2
1
0




opcode1





1
1
1
1
0
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
5
4
3
2
1
0
















0
0
0
0
0
0
0
0









7
6
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0
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