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documentation of ipa additions.
- From: Kenneth Zadeck <zadeck at naturalbridge dot com>
- To: GCC Patches <gcc-patches at gcc dot gnu dot org>
- Date: Mon, 18 Jul 2005 18:25:22 -0400
- Subject: documentation of ipa additions.
I did not document these flags in the initial patch.
kenny
Index: invoke.texi
===================================================================
RCS file: /cvs/gcc/gcc/gcc/doc/invoke.texi,v
retrieving revision 1.648
diff -u -p -r1.648 invoke.texi
--- invoke.texi 13 Jul 2005 09:38:44 -0000 1.648
+++ invoke.texi 18 Jul 2005 16:08:46 -0000
@@ -305,7 +305,9 @@ Objective-C and Objective-C++ Dialects}.
-fforce-addr -ffunction-sections @gol
-fgcse -fgcse-lm -fgcse-sm -fgcse-las -fgcse-after-reload @gol
-floop-optimize -fcrossjumping -fif-conversion -fif-conversion2 @gol
--finline-functions -finline-limit=@var{n} -fkeep-inline-functions @gol
+-finline-functions -finline-limit=@var{n} @gol
+-fipa-pure-const -fipa-reference -fipa-type-escape @gol
+-fkeep-inline-functions @gol
-fkeep-static-consts -fmerge-constants -fmerge-all-constants @gol
-fmodulo-sched -fno-branch-count-reg @gol
-fno-default-inline -fno-defer-pop -floop-optimize2 -fmove-loop-invariants @gol
@@ -4877,6 +4879,21 @@ those which have no call-preserved regis
Enabled at levels @option{-O2}, @option{-O3}, @option{-Os}.
+@item -fipa-pure-const .
+Discover pure and const functions. This flag is enabled by default at
+@option{-O2} and above for C and at @option{-O1} and above for other
+languages.
+
+@item -fipa-reference
+Perform analysis on the static references. This flag is
+enabled by default at @option{-O2} and above for C and at @option{-O1}
+and above for other languages.
+
+@item -fipa-type-escape
+Perform type escape analysis. This flag is enabled by default at
+@option{-O2} and above for C and at @option{-O1} and above for other
+languages.
+
@item -ftree-pre
Perform Partial Redundancy Elimination (PRE) on trees. This flag is
enabled by default at @option{-O2} and @option{-O3}.