invoke.texi (Optimize Options): Document -frename-registers not being enabled by default at -O3.
* doc/invoke.texi (Optimize Options): Document -frename-registers not being enabled by default at -O3. From-SVN: r84546
This commit is contained in:
parent
12cf89fae2
commit
4c59781d99
|
@ -1,3 +1,8 @@
|
|||
2004-07-12 Ben Elliston <bje@au.ibm.com>
|
||||
|
||||
* doc/invoke.texi (Optimize Options): Document -frename-registers
|
||||
not being enabled by default at -O3.
|
||||
|
||||
2004-07-11 Roger Sayle <roger@eyesopen.com>
|
||||
|
||||
* fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
|
||||
|
|
|
@ -3842,8 +3842,7 @@ invoking @option{-O2} on programs that use computed gotos.
|
|||
@opindex O3
|
||||
Optimize yet more. @option{-O3} turns on all optimizations specified by
|
||||
@option{-O2} and also turns on the @option{-finline-functions},
|
||||
@option{-fweb}, @option{-frename-registers}
|
||||
and @option{-fgcse-after-reload} options.
|
||||
@option{-fweb} and @option{-fgcse-after-reload} options.
|
||||
|
||||
@item -O0
|
||||
@opindex O0
|
||||
|
|
Loading…
Reference in New Issue