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c29c92c789
gcc/libgomp
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Feng Xue c29c92c789 PR tree-optimization/89713 - Assume loop with an exit is finite 
gcc/ChangeLog:

        * doc/invoke.texi (-ffinite-loops): Document new option.
        * common.opt (-ffinite-loops): New option.
        * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark
        IFN_GOACC_LOOP calls as necessary.
        * tree-ssa-loop-niter.c (finite_loop_p): Assume loop with an exit
        is finite.
        * omp-offload.c (oacc_xform_loop): Skip lowering if return value of
        IFN_GOACC_LOOP call is not used.
        * opts.c (default_options_table): Enable -ffinite-loops at -O2+.

gcc/testsuite/ChangeLog:

        * g++.dg/tree-ssa/empty-loop.C: New test.
        * gcc.dg/tree-ssa/dce-2.c: New test.
        * gcc.dg/const-1.c: Add -fno-finite-loops option.
        * gcc.dg/graphite/graphite.exp: Likewise.
        * gcc.dg/loop-unswitch-1.c: Likewise.
        * gcc.dg/predict-9.c: Likewise.
        * gcc.dg/pure-2.c: Likewise.
        * gcc.dg/tree-ssa/20040211-1.c: Likewise.
        * gcc.dg/tree-ssa/loop-10.c: Likewise.
        * gcc.dg/tree-ssa/split-path-6.c: Likewise.
        * gcc.dg/tree-ssa/ssa-thread-12.c: Likewise.

libgomp/ChangeLog:

        * testsuite/libgomp.oacc-c-c++-common/pr84955-1.c: New test.

From-SVN: r272234
2019-06-13 04:17:42 +00:00
..
config
plugin re PR libgomp/90585 (libgomp hsa plugin ftbfs in the x32 multilib variant) 2019-05-24 10:59:37 +02:00
testsuite PR tree-optimization/89713 - Assume loop with an exit is finite 2019-06-13 04:17:42 +00:00
acc_prof.h OpenACC Profiling Interface (incomplete) 2019-05-17 21:13:36 +02:00
acinclude.m4
aclocal.m4 Generalize getconf _NPROCESSORS_ONLN 2019-05-30 09:06:48 +00:00
affinity-fmt.c
affinity.c
alloc.c re PR libgomp/90527 (alloc.c:72:7: error: implicit declaration of function ‘posix_memalign’) 2019-05-20 23:29:17 +02:00
atomic.c
barrier.c
ChangeLog PR tree-optimization/89713 - Assume loop with an exit is finite 2019-06-13 04:17:42 +00:00
ChangeLog.graphite
config.h.in
configure Generalize getconf _NPROCESSORS_ONLN 2019-05-30 09:06:48 +00:00
configure.ac Generalize getconf _NPROCESSORS_ONLN 2019-05-30 09:06:48 +00:00
configure.tgt
critical.c
env.c OpenACC Profiling Interface (incomplete) 2019-05-17 21:13:36 +02:00
error.c
fortran.c
hashtab.h
icv-device.c
icv.c
iter_ull.c
iter.c
libgomp_f.h.in
libgomp_g.h
libgomp-plugin.c
libgomp-plugin.h 2019-05-13 Chung-Lin Tang <cltang@codesourcery.com> 2019-05-13 13:32:00 +00:00
libgomp.h 2019-05-13 Chung-Lin Tang <cltang@codesourcery.com> 2019-05-13 13:32:00 +00:00
libgomp.map OpenACC Profiling Interface (incomplete) 2019-05-17 21:13:36 +02:00
libgomp.spec.in
libgomp.texi OpenACC Profiling Interface (incomplete) 2019-05-17 21:13:36 +02:00
lock.c
loop_ull.c re PR libgomp/90641 (libgomp.c-c++-common/lastprivate-conditional-1.c etc FAIL) 2019-05-27 23:27:00 +02:00
loop.c re PR libgomp/90641 (libgomp.c-c++-common/lastprivate-conditional-1.c etc FAIL) 2019-05-27 23:27:00 +02:00
Makefile.am OpenACC Profiling Interface (incomplete) 2019-05-17 21:13:36 +02:00
Makefile.in Generalize getconf _NPROCESSORS_ONLN 2019-05-30 09:06:48 +00:00
oacc-async.c OpenACC Profiling Interface (incomplete) 2019-05-17 21:13:36 +02:00
oacc-cuda.c re PR libgomp/90585 (libgomp hsa plugin ftbfs in the x32 multilib variant) 2019-05-24 10:59:37 +02:00
oacc-host.c re PR libgomp/90585 (libgomp hsa plugin ftbfs in the x32 multilib variant) 2019-05-24 10:59:37 +02:00
oacc-init.c OpenACC Profiling Interface (incomplete) 2019-05-17 21:13:36 +02:00
oacc-int.h OpenACC Profiling Interface (incomplete) 2019-05-17 21:13:36 +02:00
oacc-mem.c re PR libgomp/90585 (libgomp hsa plugin ftbfs in the x32 multilib variant) 2019-05-24 10:59:37 +02:00
oacc-parallel.c OpenACC Profiling Interface (incomplete) 2019-05-17 21:13:36 +02:00
oacc-plugin.c OpenACC Profiling Interface (incomplete) 2019-05-17 21:13:36 +02:00
oacc-plugin.h OpenACC Profiling Interface (incomplete) 2019-05-17 21:13:36 +02:00
oacc-profiling.c OpenACC Profiling Interface (incomplete) 2019-05-17 21:13:36 +02:00
omp_lib.f90.in
omp_lib.h.in
omp.h.in
openacc_lib.h
openacc.f90
openacc.h
ordered.c
parallel.c
priority_queue.c
priority_queue.h
sections.c re PR libgomp/90641 (libgomp.c-c++-common/lastprivate-conditional-1.c etc FAIL) 2019-05-27 23:27:00 +02:00
secure_getenv.h
single.c
splay-tree.c
splay-tree.h
target.c re PR libgomp/90585 (libgomp hsa plugin ftbfs in the x32 multilib variant) 2019-05-24 10:59:37 +02:00
task.c
taskloop.c
team.c
teams.c
work.c re PR libgomp/90641 (libgomp.c-c++-common/lastprivate-conditional-1.c etc FAIL) 2019-05-27 23:27:00 +02:00