B-29
INSTRUCTION FORMATS AND ENCODINGS
CVTTSS2SI - Scalar
Single-FP to signed
INT32 conversion
(truncate)
n/an/aYn/an/a
xmmreg to r32
11110011:00001111:00101100:11 r32 xmmreg1
mem to r32
11110011:00001111:00101100: mod r32 r/m
DIVPS - Packed Single-
FP Divide
n/an/an/an/aY
xmmreg to xmmreg
00001111:01011110:11 xmmreg1 xmmreg2
mem to xmmreg
00001111:01011110: mod xmmreg r/m
DIVSS - Scalar Single-FP
Divide
11110011:00001111:01011110:11 xmmreg1
xmmreg2
xmmreg to xmmreg
n/an/aYn/an/a
mem to xmmreg
11110011:00001111:01011110: mod xmmreg r/m
FXRSTOR - Restore
FP/MMX and
Streaming SIMD
Extensions state
00001111:10101110:01 m512
n/an/an/an/an/a
FXSAVE - Store
FP/MMX
and
Streaming SIMD
Extensions state
00001111:10101110:00 m512
n/an/an/an/an/a
LDMXCSR - Load
Streaming SIMD
Extensions Technology
Control/Status Register
n/an/an/an/an/a
m32 to MXCSR
00001111:10101110:10 m32
MAXPS - Packed Single-
FP Maximum
n/an/an/an/aY
xmmreg to xmmreg
00001111:01011111:11 xmmreg1 xmmreg2
mem to xmmreg
00001111:01011111: mod xmmreg r/m
MAXSS - Scalar Single-
FP Maximum
n/an/aYn/an/a
xmmreg to xmmreg
11110011:00001111:01011111:11 xmmreg1
xmmreg2
mem to xmmreg
11110011:00001111:01011111: mod xmmreg r/m
MINPS - Packed Single-
FP Minimum
n/an/an/an/aY
xmmreg to xmmreg
00001111:01011101:11 xmmreg1 xmmreg2
mem to xmmreg
00001111:01011101: mod xmmreg r/m
Table B-19. Encoding of the SIMD Floating-Point Register Field
Instruction and Format
Encoding
BWDQDQ
