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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@ -1,3 +1,8 @@
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2016-07-20 Martin Liska <mliska@suse.cz>
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* doc/invoke.texi (-fipa-ra): Document when the option is
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disabled. Fix a typo.
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2016-07-20 Martin Liska <mliska@suse.cz>
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* Makefile.in: Include fibonacci_heap.c
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@ -7260,7 +7260,11 @@ any called function. In that case it is not necessary to save and restore
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them around calls. This is only possible if called functions are part of
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same compilation unit as current function and they are compiled before it.
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Enabled at levels @option{-O2}, @option{-O3}, @option{-Os}.
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Enabled at levels @option{-O2}, @option{-O3}, @option{-Os}, however the option
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is disabled if generated code will be instrumented for profiling
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(@option{-p}, or @option{-pg}) or if callee's register usage cannot be known
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exactly (this happens on targets that do not expose prologues
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and epilogues in RTL).
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@item -fconserve-stack
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@opindex fconserve-stack
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@ -7280,7 +7284,7 @@ Perform code hoisting. Code hoisting tries to move the
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evaluation of expressions executed on all paths to the function exit
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as early as possible. This is especially useful as a code size
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optimization, but it often helps for code speed as well.
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This flag is enabled by defailt at @option{-O2} and higher.
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This flag is enabled by default at @option{-O2} and higher.
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@item -ftree-pre
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@opindex ftree-pre
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