Go to file
Tom de Vries f96b6328fa [tree-optimization] Don't clear ctrl-altering flag for IFN_UNIQUE
There's an invariant for IFN_UNIQUE, listed here in
gimple_call_initialize_ctrl_altering:
...
      /* IFN_UNIQUE should be the last insn, to make checking for it
         as cheap as possible.  */
      || (gimple_call_internal_p (stmt)
          && gimple_call_internal_unique_p (stmt)))
    gimple_call_set_ctrl_altering (stmt, true);
...

Recent commit fab7764484 "tree-optimization/96931 - clear ctrl-altering flag
more aggressively" breaks this invariant, causing an ICE triggered during
libgomp testing for x86_64 with nvptx accelerator:
...
during RTL pass: mach
asyncwait-1.f90: In function ‘MAIN__._omp_fn.0’:
asyncwait-1.f90:19: internal compiler error: in nvptx_find_par, at \
  config/nvptx/nvptx.c:3293
...

Fix this by listing IFN_UNIQUE as exception in
cleanup_call_ctrl_altering_flag.

Build for x86_64 with nvptx accelerator, tested libgomp.

gcc/ChangeLog:

	PR tree-optimization/97000
	* tree-cfgcleanup.c (cleanup_call_ctrl_altering_flag): Don't clear
	flag for IFN_UNIQUE.
2020-09-10 12:59:29 +02:00
config Fixup config/ChangeLog. 2020-09-10 10:17:51 +02:00
contrib Daily bump. 2020-08-27 00:16:27 +00:00
fixincludes
gcc [tree-optimization] Don't clear ctrl-altering flag for IFN_UNIQUE 2020-09-10 12:59:29 +02:00
gnattools
gotools
include Daily bump. 2020-09-10 00:16:28 +00:00
INSTALL
intl
libada
libatomic Daily bump. 2020-09-08 00:16:32 +00:00
libbacktrace Daily bump. 2020-09-10 00:16:28 +00:00
libcc1 Daily bump. 2020-08-15 00:16:22 +00:00
libcpp Daily bump. 2020-09-08 00:16:32 +00:00
libdecnumber Daily bump. 2020-07-31 00:16:26 +00:00
libffi
libgcc Daily bump. 2020-09-10 00:16:28 +00:00
libgfortran Daily bump. 2020-09-04 00:16:32 +00:00
libgo gotest: use a space rather than a middle dot in target lists 2020-08-27 16:18:01 -07:00
libgomp Daily bump. 2020-09-09 00:16:29 +00:00
libhsail-rt
libiberty Daily bump. 2020-09-09 00:16:29 +00:00
libitm Daily bump. 2020-07-25 00:16:22 +00:00
libobjc
liboffloadmic
libphobos Daily bump. 2020-09-10 00:16:28 +00:00
libquadmath
libsanitizer Daily bump. 2020-07-17 00:16:27 +00:00
libssp
libstdc++-v3 Daily bump. 2020-09-08 00:16:32 +00:00
libvtv
lto-plugin Daily bump. 2020-09-10 00:16:28 +00:00
maintainer-scripts
zlib
.dir-locals.el
.gitattributes
.gitignore
ABOUT-NLS
ar-lib
ChangeLog Daily bump. 2020-08-27 00:16:27 +00:00
ChangeLog.jit
ChangeLog.tree-ssa
compile
config-ml.in
config.guess
config.rpath
config.sub
configure configure: Also check C++11 (flags) for ${build} compiler not only for ${host} 2020-08-20 21:59:00 +02:00
configure.ac configure: Also check C++11 (flags) for ${build} compiler not only for ${host} 2020-08-20 21:59:00 +02:00
COPYING
COPYING3
COPYING3.LIB
COPYING.LIB
COPYING.RUNTIME
depcomp
install-sh
libtool-ldflags
libtool.m4
lt~obsolete.m4
ltgcc.m4
ltmain.sh
ltoptions.m4
ltsugar.m4
ltversion.m4
MAINTAINERS MAINTAINERS: Add myself as OpenACC maintainer 2020-08-26 17:58:22 +02:00
Makefile.def
Makefile.in
Makefile.tpl
missing
mkdep
mkinstalldirs
move-if-change
multilib.am
README
symlink-tree
test-driver
ylwrap

This directory contains the GNU Compiler Collection (GCC).

The GNU Compiler Collection is free software.  See the files whose
names start with COPYING for copying permission.  The manuals, and
some of the runtime libraries, are under different terms; see the
individual source files for details.

The directory INSTALL contains copies of the installation information
as HTML and plain text.  The source of this information is
gcc/doc/install.texi.  The installation information includes details
of what is included in the GCC sources and what files GCC installs.

See the file gcc/doc/gcc.texi (together with other files that it
includes) for usage and porting information.  An online readable
version of the manual is in the files gcc/doc/gcc.info*.

See http://gcc.gnu.org/bugs/ for how to report bugs usefully.

Copyright years on GCC source files may be listed using range
notation, e.g., 1987-2012, indicating that every year in the range,
inclusive, is a copyrightable year that could otherwise be listed
individually.