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Enhance documentation of -fipa-ra option. 

* doc/invoke.texi (-fipa-ra): Document when the option is
	disabled. Fix a typo.

From-SVN: r238510
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Martin Liska 2016-07-20 09:02:09 +02:00 committed by Martin Liska
parent ba1a7a0f85
commit 6e6fa605f8
2 changed files with 11 additions and 2 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2016-07-20 Martin Liska <mliska@suse.cz>
* doc/invoke.texi (-fipa-ra): Document when the option is
disabled. Fix a typo.
2016-07-20 Martin Liska <mliska@suse.cz>
* Makefile.in: Include fibonacci_heap.c

8
gcc/doc/invoke.texi
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@ -7260,7 +7260,11 @@ any called function. In that case it is not necessary to save and restore
them around calls. This is only possible if called functions are part of
same compilation unit as current function and they are compiled before it.
Enabled at levels @option{-O2}, @option{-O3}, @option{-Os}.
Enabled at levels @option{-O2}, @option{-O3}, @option{-Os}, however the option
is disabled if generated code will be instrumented for profiling
(@option{-p}, or @option{-pg}) or if callee's register usage cannot be known
exactly (this happens on targets that do not expose prologues
and epilogues in RTL).
@item -fconserve-stack
@opindex fconserve-stack
@ -7280,7 +7284,7 @@ Perform code hoisting. Code hoisting tries to move the
evaluation of expressions executed on all paths to the function exit
as early as possible. This is especially useful as a code size
optimization, but it often helps for code speed as well.
This flag is enabled by defailt at @option{-O2} and higher.
This flag is enabled by default at @option{-O2} and higher.
@item -ftree-pre
@opindex ftree-pre