2-22 Vol. 2A
INSTRUCTION FORMAT
Table 2-14. Exception class description
See Table 2-15 for lists of instructions in each exception class.
Exception Class
Instruction set
Mem arg
Floating-Point
Exceptions (#XM)
Type 1
AVX,
Legacy SSE
16/32 byte explicitly
aligned
None
Type 2
AVX,
Legacy SSE
16/32 byte not explicitly
aligned
Yes
Type 3
AVX,
Legacy SSE
< 16 byte
Yes
Type 4
AVX,
Legacy SSE
16/32 byte not explicitly
aligned
No
Type 5
AVX,
Legacy SSE
< 16 byte
No
Type 6
AVX (no Legacy SSE)
Varies
(At present, none do)
Type 7
AVX,
Legacy SSE
None
None
Type 8
AVX
None
None
Type 11
F16C
8 or 16 byte, Not explicitly
aligned, no AC#
Yes
Type 12
AVX2
Not explicitly aligned, no
AC#
No