[4.9] Switch gcc-4.9 to use google/gcc-4_9 branch.

This source drop uses svn version r212828 of google/gcc-4.9 branch.
We also cherry-picked r213062, r213063 and r213064 to fix windows
build issues.
All gcc-4.9 patches before July 3rd are ported to google/gcc-4.9.
The following prior commits has not been merged to google branch yet.
(They are included in this commit).
e7af147f979e657fe2df00808e5b4319b0e088c6,
baf87df3cb2683649ba7e9872362a7e721117c23, and
c231900e5dcc14d8296bd9f62b45997a49d4d5e7.

Change-Id: I4bea3ea470387ff751c2be4cb0d4a12059b9299b

1 files changed, 88 insertions, 0 deletions

diff --git a/gcc-4.9/libgcc/ChangeLog b/gcc-4.9/libgcc/ChangeLog
index 57a8371..9f17a7d 100644
--- a/gcc-4.9/libgcc/ChangeLog
+++ b/gcc-4.9/libgcc/ChangeLog
@@ -1,3 +1,91 @@
+2014-07-14  Richard Biener  <rguenther@suse.de>
+	Backport r212520 from trunk.
+	* libgcov.h (struct gcov_fn_info): Make ctrs size 1.
+
+2014-07-11  Rong Xu  <xur@google.com>
+
+	Backport r212463 from trunk.
+	* libgcov-util.c (gcov_max_filename): Fix declartion.
+
+2014-07-10  Rong Xu  <xur@google.com>
+
+	Backport r212448 from trunk.
+
+	Add gcov-tool: an offline gcda profile processing tool
+	Support.
+	* libgcov-driver.c (gcov_max_filename): Make available
+	to gcov-tool.
+	* libgcov-merge.c (__gcov_merge_add): Replace
+	gcov_read_counter() with a Macro.
+	(__gcov_merge_ior): Ditto.
+	(__gcov_merge_time_profile): Ditto.
+	(__gcov_merge_single): Ditto.
+	(__gcov_merge_delta): Ditto.
+	* libgcov-util.c (void gcov_set_verbose): Set the verbose flag
+	in the utility functions.
+	(set_fn_ctrs): Utility function for reading gcda files to in-memory
+	gcov_list object link lists.
+	(tag_function): Ditto.
+	(tag_blocks): Ditto.
+	(tag_arcs): Ditto.
+	(tag_lines): Ditto.
+	(tag_counters): Ditto.
+	(tag_summary): Ditto.
+	(read_gcda_finalize): Ditto.
+	(read_gcda_file): Ditto.
+	(ftw_read_file): Ditto.
+	(read_profile_dir_init): Ditto.
+	(gcov_read_profile_dir): Ditto.
+	(gcov_read_counter_mem): Ditto.
+	(gcov_get_merge_weight): Ditto.
+	(merge_wrapper): A wrapper function that calls merging handler.
+	(gcov_merge): Merge two gcov_info objects with weights.
+	(find_match_gcov_info): Find the matched gcov_info in the list.
+	(gcov_profile_merge): Merge two gcov_info object lists.
+	(__gcov_add_counter_op): Process edge profile counter values.
+	(__gcov_ior_counter_op): Process IOR profile counter values.
+	(__gcov_delta_counter_op): Process delta profile counter values.
+	(__gcov_single_counter_op): Process single  profile counter values.
+	(fp_scale): Callback function for float-point scaling.
+	(int_scale): Callback function for integer fraction scaling. 
+	(gcov_profile_scale): Scaling profile counters.
+	(gcov_profile_normalize): Normalize profile counters.
+	* libgcov.h: Add headers and functions for gcov-tool use.
+	(gcov_get_counter): New.
+	(gcov_get_counter_target): Ditto.
+	(struct gcov_info): Make the functions field mutable in gcov-tool
+	compilation.
+
+2014-05-27  Georg-Johann Lay  <avr@gjlay.de>
+
+	Backport from 2014-05-27 mainline r210322.
+
+	PR libgcc/61152
+	* config/arm/bpabi-lib.h (License): Add GCC Runtime Library Exception.
+
+2014-05-22  Nick Clifton  <nickc@redhat.com>
+
+	* config/msp430/t-msp430 (HOST_LIBGCC2_CFLAGS): Add
+	-mhwmult=none.
+
+2014-05-21  Maciej W. Rozycki  <macro@codesourcery.com>
+
+	Backport from mainline
+	2014-05-21  Maciej W. Rozycki  <macro@codesourcery.com>
+
+	PR libgcc/60166
+	* config/arm/sfp-machine.h (_FP_NANFRAC_H, _FP_NANFRAC_S)
+	(_FP_NANFRAC_D, _FP_NANSIGN_Q): Set the quiet bit.
+
+2014-05-15  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+	Backport from mainline
+	2014-05-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+	PR libgcc/61097
+	* config/t-slibgcc-sld: Only build and install libgcc-unwind.map
+	if --enable-shared.
+
 2014-04-30  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 
 	Work around for current cygwin32 build problems.