common.opt (fprofile-dir=, [...]): New options

gcc/ChangeLog:
2008-03-31  Seongbae Park <seongbae.park@gmail.com>

	* common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
	New options
	(fprofile-use): Add var flag_profile_use
	* coverage.c (coverage_begin_output): Do not open a gcno file for output
	only if -ftest-coverage is set.
	Do not add getpwd() to gcda file path.
	(build_gcov_info): Check the new flag 
	flag_profile_datafile_relative_path.
	(coverage_init): Use profile_data_prefix.
	Read profile counter only if flag_profile_use is set.
	* opts.c (common_handle_option): New option fprofile-use=,
	fprofile-dir=, fprofile-generate=.
	* toplev.c (profile_data_prefix): New variable definition.
	* toplev.h (profile_data_prefix): New declaration.
	* doc/invoke.tex (Option Summary, Optimization Options):
	Add new options.

gcc/testsuite/ChangeLog:
2008-03-31  Seongbae Park <seongbae.park@gmail.com>

	* g++.db/bprob/bprob.exp: Do not check gcno files.
	Use -fprofile-use for profile use.
	* gcc.misc-tests/bprob.exp: Ditto.
	* g++.dg/tree-pro/tree-prof.exp: Do not check gcno files.
	* gcc.dg/matrix/matrix.exp: Ditto.
	* gcc.dg/struct/struct-reorg.exp: Ditto.
	* gcc.dg/tree-prof/tree-prof.exp: Ditto.
	* gcc.dg/profile-dir-1.c: New test.
	* gcc.dg/profile-dir-2.c: New test.
	* gcc.dg/profile-dir-3.c: New test.

ChangeLog:
2008-03-31  Seongbae Park <seongbae.park@gmail.com>

	* Makefile.tpl (.NOTPARALLEL): Serialize stageprofile libiberty.
	* Makefile.in (.NOTPARALLEL): Regenerate.

From-SVN: r133774

1 files changed, 22 insertions, 2 deletions

diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 8718810..d16f161 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -341,8 +341,9 @@ Objective-C and Objective-C++ Dialects}.
 -fno-toplevel-reorder -fno-trapping-math -fno-zero-initialized-in-bss @gol
 -fomit-frame-pointer -foptimize-register-move -foptimize-sibling-calls @gol
 -fpeel-loops -fpredictive-commoning -fprefetch-loop-arrays @gol
--fprofile-generate -fprofile-use -fprofile-values -freciprocal-math @gol
--fregmove -frename-registers -freorder-blocks @gol
+-fprofile-dir=@var{path} -fprofile-generate -fprofile-generate=@var{path} @gol
+-fprofile-use -fprofile-use=@var{path} -fprofile-values @gol
+-freciprocal-math -fregmove -frename-registers -freorder-blocks @gol
 -freorder-blocks-and-partition -freorder-functions @gol
 -frerun-cse-after-loop -freschedule-modulo-scheduled-loops @gol
 -frounding-math -frtl-abstract-sequences -fsched2-use-superblocks @gol
@@ -6311,7 +6312,19 @@ and occasionally eliminate the copy.
 
 Enabled at levels @option{-O}, @option{-O2}, @option{-O3}, @option{-Os}.
 
+@item -fprofile-dir=@var{path}
+@opindex fprofile-dir
+
+Set the directory to search the profile data files in to @var{path}.
+This option affects only the profile data generated by
+@option{-fprofile-generate}, @option{-ftest-coverage}, @option{-fprofile-arcs}
+and used by @option{-fprofile-use} and @option{-fbranch-probabilities} 
+and its related options.
+By default, GCC will use the current directory as @var{path}
+thus the profile data file will appear in the same directory as the object file.
+
 @item -fprofile-generate
+@itemx -fprofile-generate=@var{path}
 @opindex fprofile-generate
 
 Enable options usually used for instrumenting application to produce
@@ -6321,7 +6334,11 @@ compiling and when linking your program.
 
 The following options are enabled: @code{-fprofile-arcs}, @code{-fprofile-values}, @code{-fvpt}.
 
+If @var{path} is specified, GCC will look at the @var{path} to find
+the profile feeedback data files. See @option{-fprofile-dir}.
+
 @item -fprofile-use
+@itemx -fprofile-use=@var{path}
 @opindex fprofile-use
 Enable profile feedback directed optimizations, and optimizations
 generally profitable only with profile feedback available.
@@ -6333,6 +6350,9 @@ By default, GCC emits an error message if the feedback profiles do not
 match the source code.  This error can be turned into a warning by using
 @option{-Wcoverage-mismatch}.  Note this may result in poorly optimized
 code.
+
+If @var{path} is specified, GCC will look at the @var{path} to find
+the profile feedback data files. See @option{-fprofile-dir}.
 @end table
 
 The following options control compiler behavior regarding floating