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Martin Sebor 58ec0964b1 Avoid recomputing PHI results after failure (PR104203).
Resolves:
PR tree-optimization/104203 - huge compile-time regression in pointer_query

gcc/ChangeLog:

	PR tree-optimization/104203
	* gimple-ssa-warn-access.cc (pass_data pass_data_waccess): Use
	TV_WARN_ACCESS.
	* pointer-query.cc (access_ref::merge_ref): Change return type.
	Convert failure to a conservative success.
	(access_ref::get_ref): Adjust to the change above.  Short-circuit
	PHI evaluation after first failure turned into conservative success.
	* pointer-query.h (access_ref::merge_ref): Change return type.
	* timevar.def (TV_WARN_ACCESS): New timer variable.
2022-01-25 14:22:49 -07:00
INSTALL
c++tools
config
contrib Daily bump. 2022-01-25 00:16:27 +00:00
fixincludes Fix glitch in entry for vxworks_posix_open 2022-01-17 13:23:40 +00:00
gcc Avoid recomputing PHI results after failure (PR104203). 2022-01-25 14:22:49 -07:00
gnattools
gotools
include
intl
libada
libatomic Daily bump. 2022-01-25 00:16:27 +00:00
libbacktrace
libcc1
libcody
libcpp Daily bump. 2022-01-25 00:16:27 +00:00
libdecnumber
libffi
libgcc libgcc: Fix _Unwind_Find_FDE for missing unwind data with glibc 2.35 2022-01-25 12:09:56 +01:00
libgfortran libfortran: Provide fallback __issignalingl for IBM extended long double 2022-01-25 12:48:35 +01:00
libgo runtime: build panic32.go on amd64p32 2022-01-20 19:06:50 -08:00
libgomp Daily bump. 2022-01-22 00:16:26 +00:00
libiberty Daily bump. 2022-01-16 00:16:26 +00:00
libitm Daily bump. 2022-01-04 00:16:40 +00:00
libobjc
liboffloadmic
libphobos Daily bump. 2022-01-04 00:16:40 +00:00
libquadmath Daily bump. 2022-01-12 00:16:39 +00:00
libsanitizer
libssp
libstdc++-v3 libstdc++: Avoid some more warnings [PR104019] 2022-01-25 21:05:16 +00:00
libvtv
lto-plugin
maintainer-scripts
zlib
.dir-locals.el
.gitattributes
.gitignore
ABOUT-NLS
COPYING
COPYING.LIB
COPYING.RUNTIME
COPYING3
COPYING3.LIB
ChangeLog Daily bump. 2022-01-23 00:16:24 +00:00
ChangeLog.jit
ChangeLog.tree-ssa
MAINTAINERS MAINTAINERS: adjust requested email address 2022-01-20 13:40:42 +01:00
Makefile.def Revert "Fix PR 67102: Add libstdc++ dependancy to libffi" [PR67102] 2022-01-25 18:46:21 +01:00
Makefile.in Revert "Fix PR 67102: Add libstdc++ dependancy to libffi" [PR67102] 2022-01-25 18:46:21 +01:00
Makefile.tpl
README
ar-lib
compile
config-ml.in
config.guess
config.rpath
config.sub
configure
configure.ac
depcomp
install-sh
libtool-ldflags
libtool.m4
ltgcc.m4
ltmain.sh
ltoptions.m4
ltsugar.m4
ltversion.m4
lt~obsolete.m4
missing
mkdep
mkinstalldirs
move-if-change
multilib.am
symlink-tree
test-driver
ylwrap

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