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lvzhengyang
riscv-gcc-1
Commits
639726ba
Commit
639726ba
authored
Nov 11, 2000
by
Joseph Myers
Committed by
Joseph Myers
Nov 11, 2000
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* invoke.texi: Correct spelling of -foptimize-register-move.
From-SVN: r37386
parent
4c2b647d
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gcc/ChangeLog
View file @
639726ba
2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
* invoke.texi: Correct spelling of -foptimize-register-move.
2000-11-11 Neil Booth <neilb@earthling.net>
Remove CPP_PLACEMARKERs.
...
...
gcc/invoke.texi
View file @
639726ba
...
...
@@ -174,7 +174,7 @@ in the following sections.
-finline-functions -finline-limit=@var{n} -fkeep-inline-functions
-fmove-all-movables -fno-default-inline -fno-defer-pop
-fno-function-cse -fno-inline -fno-peephole -ftrapv
-fomit-frame-pointer -foptimize-register-move
s
-foptimize-sibling-calls
-fomit-frame-pointer -foptimize-register-move -foptimize-sibling-calls
-fregmove -frename-registers -frerun-cse-after-loop -frerun-loop-opt
-freduce-all-givs -fschedule-insns -fschedule-insns2 -fssa
-fstrength-reduce -fstrict-aliasing -fthread-jumps -funroll-all-loops
...
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@@ -2788,7 +2788,7 @@ which depend on that behavior.
@
item
-
fexpensive
-
optimizations
Perform
a
number
of
minor
optimizations
that
are
relatively
expensive
.
@
item
-
foptimize
-
register
-
move
s
@
item
-
foptimize
-
register
-
move
@
itemx
-
fregmove
Attempt
to
reassign
register
numbers
in
move
instructions
and
as
operands
of
other
simple
instructions
in
order
to
maximize
the
amount
of
...
...
@@ -2796,7 +2796,7 @@ register tying. This is especially helpful on machines with two-operand
instructions
.
GCC
enables
this
optimization
by
default
with
@
samp
{-
O2
}
or
higher
.
Note
@
code
{-
fregmove
}
and
@
code
{-
foptimize
-
register
-
move
s
}
are
the
same
Note
@
code
{-
fregmove
}
and
@
code
{-
foptimize
-
register
-
move
}
are
the
same
optimization
.
@
item
-
fdelayed
-
branch
...
...
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