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lvzhengyang
riscv-gcc-1
Commits
81e7aa8e
Commit
81e7aa8e
authored
May 04, 2012
by
Steven Bosscher
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* doc/md.texi (attr_flag): Update for changes of previous revision.
From-SVN: r187179
parent
593dbe11
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gcc/ChangeLog
View file @
81e7aa8e
...
@@ -5,6 +5,8 @@
...
@@ -5,6 +5,8 @@
ATTR_FLAG_very_likely, and ATTR_FLAG_very_unlikely.
ATTR_FLAG_very_likely, and ATTR_FLAG_very_unlikely.
* reorg.c (get_jump_flags): Do not set the removed flags.
* reorg.c (get_jump_flags): Do not set the removed flags.
* doc/md.texi (attr_flag): Update for abovementioned changes.
2012-05-04 Uros Bizjak <ubizjak@gmail.com>
2012-05-04 Uros Bizjak <ubizjak@gmail.com>
PR target/53228
PR target/53228
...
...
gcc/doc/md.texi
View file @
81e7aa8e
...
@@ -7707,12 +7707,7 @@ scheduled.
...
@@ -7707,12 +7707,7 @@ scheduled.
@
var
{
name
}
is
a
string
specifying
one
of
a
fixed
set
of
flags
to
test
.
@
var
{
name
}
is
a
string
specifying
one
of
a
fixed
set
of
flags
to
test
.
Test
the
flags
@
code
{
forward
}
and
@
code
{
backward
}
to
determine
the
Test
the
flags
@
code
{
forward
}
and
@
code
{
backward
}
to
determine
the
direction
of
a
conditional
branch
.
Test
the
flags
@
code
{
very_likely
},
direction
of
a
conditional
branch
.
@
code
{
likely
},
@
code
{
very_unlikely
},
and
@
code
{
unlikely
}
to
determine
if
a
conditional
branch
is
expected
to
be
taken
.
If
the
@
code
{
very_likely
}
flag
is
true
,
then
the
@
code
{
likely
}
flag
is
also
true
.
Likewise
for
the
@
code
{
very_unlikely
}
and
@
code
{
unlikely
}
flags
.
This
example
describes
a
conditional
branch
delay
slot
which
This
example
describes
a
conditional
branch
delay
slot
which
can
be
nullified
for
forward
branches
that
are
taken
(
annul
-
true
)
or
can
be
nullified
for
forward
branches
that
are
taken
(
annul
-
true
)
or
...
@@ -7730,11 +7725,6 @@ for backward branches which are not taken (annul-false).
...
@@ -7730,11 +7725,6 @@ for backward branches which are not taken (annul-false).
The
@
code
{
forward
}
and
@
code
{
backward
}
flags
are
false
if
the
current
The
@
code
{
forward
}
and
@
code
{
backward
}
flags
are
false
if
the
current
@
code
{
insn
}
being
scheduled
is
not
a
conditional
branch
.
@
code
{
insn
}
being
scheduled
is
not
a
conditional
branch
.
The
@
code
{
very_likely
}
and
@
code
{
likely
}
flags
are
true
if
the
@
code
{
insn
}
being
scheduled
is
not
a
conditional
branch
.
The
@
code
{
very_unlikely
}
and
@
code
{
unlikely
}
flags
are
false
if
the
@
code
{
insn
}
being
scheduled
is
not
a
conditional
branch
.
@
code
{
attr_flag
}
is
only
used
during
delay
slot
scheduling
and
has
no
@
code
{
attr_flag
}
is
only
used
during
delay
slot
scheduling
and
has
no
meaning
to
other
passes
of
the
compiler
.
meaning
to
other
passes
of
the
compiler
.
...
...
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