<s>
The	O
MaverickCrunch	B-General_Concept
is	O
a	O
floating	B-General_Concept
point	I-General_Concept
math	I-General_Concept
coprocessor	I-General_Concept
core	O
intended	O
for	O
digital	O
audio	O
.	O
</s>
<s>
Plagued	O
with	O
hardware	B-Error_Name
bugs	I-Error_Name
and	O
poor	O
compiler	O
support	O
,	O
it	O
was	O
seldom	O
used	O
in	O
any	O
of	O
the	O
devices	O
based	O
on	O
those	O
chips	O
and	O
the	O
product	O
line	O
was	O
discontinued	O
on	O
April	O
1	O
,	O
2008	O
.	O
</s>
<s>
Five	O
versions	O
of	O
the	O
EP93xx	O
silicon	O
were	O
issued	O
:	O
"	O
D0	O
"	O
and	O
"	O
D1	O
"	O
/	O
"	O
E0	O
"	O
/	O
"	O
E1	O
"	O
and	O
"	O
E2	O
"	O
,	O
with	O
major	O
revisions	O
to	O
the	O
MaverickCrunch	B-General_Concept
core	O
between	O
D0	O
and	O
D1	O
to	O
fix	O
its	O
worst	O
bugs	O
.	O
</s>
<s>
All	O
have	O
a	O
dozen	O
or	O
more	O
hardware	B-Error_Name
bugs	I-Error_Name
which	O
either	O
give	O
imprecise	O
or	O
garbage	O
results	O
or	O
clobber	O
registers	O
or	O
memory	O
when	O
certain	O
sequences	O
of	O
instructions	O
are	O
executed	O
in	O
a	O
certain	O
order	O
.	O
</s>
<s>
A	O
set	O
of	O
patches	O
was	O
submitted	O
to	O
the	O
GNU	B-Application
Compiler	I-Application
Collection	I-Application
by	O
Red	O
Hat/Cygnus	O
Solutions	O
in	O
2003	O
to	O
include	O
a	O
code	O
generator	O
for	O
it	O
,	O
complete	O
with	O
flags	O
to	O
work	O
around	O
its	O
defects	O
.	O
</s>
<s>
It	O
was	O
removed	O
by	O
GCC	B-Application
4.8	O
(	O
Sept	O
.	O
2012	O
)	O
.	O
</s>
