AMD-K6 AMD [Advanced Micro Devices], AMD-K6 Datasheet - Page 89

• Manufacturer Part Number: AMD-K6
• Description: AMD-K6 Processor
• Manufacturer: AMD [Advanced Micro Devices]

20695H/0—March 1998
Table 11. Floating-Point Instructions (continued)
Chapter 3
FRSTOR
FSAVE
FSCALE
FSIN
FSINCOS
FSQRT (single precision)
FSQRT (double precision)
FSQRT (extended precision)
FST mem32real
FST mem64real
FST ST(i)
FSTCW
FSTENV
FSTP mem32real
FSTP mem64real
FSTP mem80real
FSTP ST(i)
FSTSW AX
FSTSW mem16
FSUB ST(0), mem32real
FSUB ST(0), mem64real
FSUB ST(0), ST(i)
FSUB ST(i), ST(0)
FSUBP ST(0), ST(I)
FSUBR ST(0), mem32real
FSUBR ST(0), mem64real
FSUBR ST(0), ST(I)
FSUBR ST(i), ST(0)
FSUBRP ST(i), ST(0)
FTST
FUCOM
Note:
*
The last three bits of the modR/M byte select the stack entry ST(i).
Instruction Mnemonic
Byte
First
DDh
DDh
DDh
DDh
DDh
DDh
DDh
DDh
DCh
DCh
DCh
DCh
D9h
D9h
D9h
D9h
D9h
D9h
D9h
D9h
D9h
D9h
D9h
DFh
D8h
D8h
DEh
D8h
D8h
DEh
D9h
Software Environment
Second
Byte
FDh
FBh
FEh
FAh
FAh
FAh
E0h
E4h
mm-100-xxx
mm-110-xxx
mm-010-xxx
mm-111-xxx
mm-110-xxx
mm-111-xxx
mm-100-xxx
mm-100-xxx
mm-010-xxx
mm-011-xxx
mm-011-xxx
mm-111-xxx
mm-101-xxx
mm-101-xxx
11-100-xxx
11-011-xxx
11-100-xxx
11-101-xxx
11-101-xxx
11-100-xxx
11-101-xxx
11-100-xxx
ModR/M
11-010xxx
Byte
Decode
vector
vector
vector
vector
vector
vector
vector
vector
Type
short
short
short
short
short
short
short
short
short
short
short
short
short
short
short
short
short
short
short
short
short
short
short
AMD-K6
float
float
float
float
float
fstore
fstore
fstore
fstore
fstore
float
fload, float
fload, float
float
float
float
fload, float
fload, float
float
float
float
float
float
RISC86
Opcodes
®
®
Processor Data Sheet
Note
71