[Bug middle-end/39308] ICE when compiling with -O[s123] -floop-interchange
--- Comment #14 from spop at gcc dot gnu dot org 2009-02-27 16:42 --- Subject: Bug 39308 Author: spop Date: Fri Feb 27 16:42:38 2009 New Revision: 144470 URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=144470 Log: 2009-02-27 Sebastian Pop sebastian@amd.com PR middle-end/39308 * graphite.c (graphite_loop_normal_form): Do not call number_of_iterations_exit from a gcc_assert. Modified: trunk/gcc/ChangeLog trunk/gcc/graphite.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39308
[Bug middle-end/39308] ICE when compiling with -O[s123] -floop-interchange
--- Comment #15 from spop at gcc dot gnu dot org 2009-02-27 16:43 --- Fixed. -- spop at gcc dot gnu dot org changed: What|Removed |Added Status|WAITING |RESOLVED Resolution||FIXED http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39308
[Bug middle-end/39308] ICE when compiling with -O[s123] -floop-interchange
--- Comment #2 from rguenth at gcc dot gnu dot org 2009-02-26 10:05 --- Works for me. What is the ICE? -- rguenth at gcc dot gnu dot org changed: What|Removed |Added Status|UNCONFIRMED |WAITING http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39308
[Bug middle-end/39308] ICE when compiling with -O[s123] -floop-interchange
--- Comment #3 from il dot basso dot buffo at gmail dot com 2009-02-26 14:27 --- $ gcc -O1 -floop-interchange -c huffman.c.pre huffman.c: In function 'BZ2_hbCreateDecodeTables': huffman.c:170: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. $ gcc -v Using built-in specs. Target: x86_64-pc-linux-gnu Configured with: /var/tmp/portage/sys-devel/gcc-4.4.0_pre/work/gcc-4.4.0-/configure --prefix=/usr --bindir=/usr/x86_64-pc-linux-gnu/gcc-bin/4.4.0-pre --includedir=/usr/lib/gcc/x86_64-pc-linux-gnu/4.4.0-pre/include --datadir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.4.0-pre --mandir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.4.0-pre/man --infodir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.4.0-pre/info --with-gxx-include-dir=/usr/lib/gcc/x86_64-pc-linux-gnu/4.4.0-pre/include/g++-v4 --host=x86_64-pc-linux-gnu --build=x86_64-pc-linux-gnu --disable-altivec --disable-fixed-point --enable-nls --without-included-gettext --with-system-zlib --disable-checking --disable-werror --enable-secureplt --enable-multilib --enable-libmudflap --disable-libssp --enable-libgomp --enable-cld --disable-libgcj --enable-languages=c,c++,fortran --enable-shared --enable-threads=posix --enable-__cxa_atexit --enable-clocale=gnu --with-bugurl=http://bugs.gentoo.org/ --with-pkgversion='Gentoo SVN' --with-ppl --with-cloog Thread model: posix gcc version 4.4.0-pre built 20090225 (experimental) rev. 144432 (Gentoo SVN) I tried incrementally adding each optimization option flag that 'man gcc' says -O1 enables, but got a clean compile each time. Only with -O1 does the segfault get triggered. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39308
[Bug middle-end/39308] ICE when compiling with -O[s123] -floop-interchange
--- Comment #4 from rguenth at gcc dot gnu dot org 2009-02-26 14:40 --- Still works for me. I suggest you file a bug with Gentoo, they may have local patches applied. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39308
[Bug middle-end/39308] ICE when compiling with -O[s123] -floop-interchange
--- Comment #5 from il dot basso dot buffo at gmail dot com 2009-02-26 17:00 --- Vanilla SVN, no patching. Still getting ICE segfault. ./configure --prefix=/usr/local --bindir=/usr/local/x86_64-pc-linux-gnu/gcc-bin/4.4.0-pre --includedir=/usr/local/lib/gcc/x86_64-pc-linux-gnu/4.4.0-pre/include --datadir=/usr/local/share/gcc-data/x86_64-pc-linux-gnu/4.4.0-pre --mandir=/usr/local/share/gcc-data/x86_64-pc-linux-gnu/4.4.0-pre/man --infodir=/usr/local/share/gcc-data/x86_64-pc-linux-gnu/4.4.0-pre/info --with-gxx-include-dir=/usr/local/lib/gcc/x86_64-pc-linux-gnu/4.4.0-pre/include/g++-v4 --host=x86_64-pc-linux-gnu --build=x86_64-pc-linux-gnu --target=x86_64-pc-linux-gnu --disable-altivec --disable-fixed-point --enable-nls --without-included-gettext --with-system-zlib --disable-checking --disable-werror --enable-secureplt --enable-multilib --enable-libmudflap --disable-libssp --enable-libgomp --enable-cld --disable-libgcj --enable-languages=c --enable-shared --enable-threads=posix --enable-__cxa_atexit --enable-clocale=gnu --with-pkgversion=SVN --with-ppl --with-cloog $ make make install $ /usr/local/x86_64-pc-linux-gnu/gcc-bin/4.4.0-pre/gcc -v Using built-in specs. Target: x86_64-pc-linux-gnu Configured with: ./configure --prefix=/usr/local --bindir=/usr/local/x86_64-pc-linux-gnu/gcc-bin/4.4.0-pre --includedir=/usr/local/lib/gcc/x86_64-pc-linux-gnu/4.4.0-pre/include --datadir=/usr/local/share/gcc-data/x86_64-pc-linux-gnu/4.4.0-pre --mandir=/usr/local/share/gcc-data/x86_64-pc-linux-gnu/4.4.0-pre/man --infodir=/usr/local/share/gcc-data/x86_64-pc-linux-gnu/4.4.0-pre/info --with-gxx-include-dir=/usr/local/lib/gcc/x86_64-pc-linux-gnu/4.4.0-pre/include/g++-v4 --host=x86_64-pc-linux-gnu --build=x86_64-pc-linux-gnu --target=x86_64-pc-linux-gnu --disable-altivec --disable-fixed-point --enable-nls --without-included-gettext --with-system-zlib --disable-checking --disable-werror --enable-secureplt --enable-multilib --enable-libmudflap --disable-libssp --enable-libgomp --enable-cld --disable-libgcj --enable-languages=c --enable-shared --enable-threads=posix --enable-__cxa_atexit --enable-clocale=gnu --with-pkgversion=SVN --with-ppl --with-cloog Thread model: posix gcc version 4.4.0 20090225 (experimental) (SVN) $ /usr/local/x86_64-pc-linux-gnu/gcc-bin/4.4.0-pre/gcc -O1 -floop-interchange -c huffman.c.pre huffman.c: In function 'BZ2_hbCreateDecodeTables': huffman.c:170: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. See http://gcc.gnu.org/bugs.html for instructions. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39308
[Bug middle-end/39308] ICE when compiling with -O[s123] -floop-interchange
--- Comment #6 from il dot basso dot buffo at gmail dot com 2009-02-26 18:53 --- Richard, can you post your `gcc -v` so I can make sure my config options are the same as yours? Also, are you using cloog-ppl from git? I am using 0.15 from ftp://gcc.gnu.org/pub/gcc/infrastructure/ . -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39308
[Bug middle-end/39308] ICE when compiling with -O[s123] -floop-interchange
--- Comment #7 from spop at gcc dot gnu dot org 2009-02-26 19:20 --- Your testcase works for me too on trunk rev 144404. I suggest that you do the following: $ gdb build/gcc/cc1 (gdb) run -O2 -floop-interchange .../huffman.c.pre ... (gdb) bt and report the backtrace you get on the ICE. Sebastian -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39308
[Bug middle-end/39308] ICE when compiling with -O[s123] -floop-interchange
--- Comment #8 from spop at gcc dot gnu dot org 2009-02-26 19:22 --- I tried with the following compiler: $ ./xgcc -v Using built-in specs. Target: x86_64-unknown-linux-gnu Configured with: ../configure --enable-languages=c,fortran --disable-bootstrap : (reconfigured) : (reconfigured) Thread model: posix gcc version 4.4.0 20090224 (experimental) (GCC) -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39308
[Bug middle-end/39308] ICE when compiling with -O[s123] -floop-interchange
--- Comment #9 from il dot basso dot buffo at gmail dot com 2009-02-26 19:46 --- Thanks, Sebastian. I followed your directions, except I used -O1 instead of -O2. Here's the backtrace: #0 is_gimple_val (t=0x0) at ../.././gcc/gimple.c:2853 #1 0x0055dec4 in force_gimple_operand (expr=0x0, stmts=0x7fffdc78a538, simple=1 '\001', var=0x0) at ../.././gcc/gimplify.c:7592 #2 0x0097fc22 in build_scop_loop_nests (scop=0x12ce530) at ../.././gcc/graphite.c:2387 #3 0x00981f1a in limit_scops () at ../.././gcc/graphite.c:6081 #4 0x00983de7 in graphite_transform_loops () at ../.././gcc/graphite.c:6124 #5 0x006cd137 in graphite_transforms () at ../.././gcc/tree-ssa-loop.c:298 #6 0x005b87ca in execute_one_pass (pass=0xe8ab60) at ../.././gcc/passes.c:1277 #7 0x005b89b0 in execute_pass_list (pass=0xe8ab60) at ../.././gcc/passes.c:1326 #8 0x005b89c5 in execute_pass_list (pass=0xe8a8c0) at ../.././gcc/passes.c:1327 #9 0x005b89c5 in execute_pass_list (pass=0xe89d80) at ../.././gcc/passes.c:1327 #10 0x00678bca in tree_rest_of_compilation (fndecl=0x7fbcd2977100) at ../.././gcc/tree-optimize.c:420 #11 0x00789665 in cgraph_expand_function (node=0x7fbcd2977700) at ../.././gcc/cgraphunit.c:1047 #12 0x0078ab00 in cgraph_optimize () at ../.././gcc/cgraphunit.c:1106 #13 0x00413dcb in c_write_global_declarations () at ../.././gcc/c-decl.c:8102 #14 0x0064301e in toplev_main (argc=value optimized out, argv=value optimized out) at ../.././gcc/toplev.c:981 #15 0x7fbcd315c60d in __libc_start_main () from /lib/libc.so.6 #16 0x00405229 in _start () -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39308
Re: [Bug middle-end/39308] ICE when compiling with -O[s123] -floop-interchange
Hi, Can you try this patch. It should fix your problem. I will bootstrap and test the patch and send it for review. Thanks, Sebastian Pop -- AMD - GNU Tools On Thu, Feb 26, 2009 at 13:46, il dot basso dot buffo at gmail dot com gcc-bugzi...@gcc.gnu.org wrote: --- Comment #9 from il dot basso dot buffo at gmail dot com 2009-02-26 19:46 --- Thanks, Sebastian. I followed your directions, except I used -O1 instead of -O2. Here's the backtrace: #0 is_gimple_val (t=0x0) at ../.././gcc/gimple.c:2853 #1 0x0055dec4 in force_gimple_operand (expr=0x0, stmts=0x7fffdc78a538, simple=1 '\001', var=0x0) at ../.././gcc/gimplify.c:7592 #2 0x0097fc22 in build_scop_loop_nests (scop=0x12ce530) at ../.././gcc/graphite.c:2387 #3 0x00981f1a in limit_scops () at ../.././gcc/graphite.c:6081 #4 0x00983de7 in graphite_transform_loops () at ../.././gcc/graphite.c:6124 #5 0x006cd137 in graphite_transforms () at ../.././gcc/tree-ssa-loop.c:298 #6 0x005b87ca in execute_one_pass (pass=0xe8ab60) at ../.././gcc/passes.c:1277 #7 0x005b89b0 in execute_pass_list (pass=0xe8ab60) at ../.././gcc/passes.c:1326 #8 0x005b89c5 in execute_pass_list (pass=0xe8a8c0) at ../.././gcc/passes.c:1327 #9 0x005b89c5 in execute_pass_list (pass=0xe89d80) at ../.././gcc/passes.c:1327 #10 0x00678bca in tree_rest_of_compilation (fndecl=0x7fbcd2977100) at ../.././gcc/tree-optimize.c:420 #11 0x00789665 in cgraph_expand_function (node=0x7fbcd2977700) at ../.././gcc/cgraphunit.c:1047 #12 0x0078ab00 in cgraph_optimize () at ../.././gcc/cgraphunit.c:1106 #13 0x00413dcb in c_write_global_declarations () at ../.././gcc/c-decl.c:8102 #14 0x0064301e in toplev_main (argc=value optimized out, argv=value optimized out) at ../.././gcc/toplev.c:981 #15 0x7fbcd315c60d in __libc_start_main () from /lib/libc.so.6 #16 0x00405229 in _start () -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39308 Index: graphite.c === --- graphite.c (revision 144404) +++ graphite.c (working copy) @@ -2382,8 +2382,10 @@ graphite_loop_normal_form (loop_p loop) tree nit; gimple_seq stmts; edge exit = single_dom_exit (loop); + bool known_niter = number_of_iterations_exit (loop, exit, niter, false); + + gcc_assert (known_niter); - gcc_assert (number_of_iterations_exit (loop, exit, niter, false)); nit = force_gimple_operand (unshare_expr (niter.niter), stmts, true, NULL_TREE); if (stmts)
[Bug middle-end/39308] ICE when compiling with -O[s123] -floop-interchange
--- Comment #10 from sebpop at gmail dot com 2009-02-26 20:10 --- Subject: Re: ICE when compiling with -O[s123] -floop-interchange Hi, Can you try this patch. It should fix your problem. I will bootstrap and test the patch and send it for review. Thanks, Sebastian Pop -- AMD - GNU Tools On Thu, Feb 26, 2009 at 13:46, il dot basso dot buffo at gmail dot com gcc-bugzi...@gcc.gnu.org wrote: --- Comment #9 from il dot basso dot buffo at gmail dot com 2009-02-26 19:46 --- Thanks, Sebastian. I followed your directions, except I used -O1 instead of -O2. Here's the backtrace: #0 is_gimple_val (t=0x0) at ../.././gcc/gimple.c:2853 #1 0x0055dec4 in force_gimple_operand (expr=0x0, stmts=0x7fffdc78a538, simple=1 '\001', var=0x0) at ../.././gcc/gimplify.c:7592 #2 0x0097fc22 in build_scop_loop_nests (scop=0x12ce530) at ../.././gcc/graphite.c:2387 #3 0x00981f1a in limit_scops () at ../.././gcc/graphite.c:6081 #4 0x00983de7 in graphite_transform_loops () at ../.././gcc/graphite.c:6124 #5 0x006cd137 in graphite_transforms () at ../.././gcc/tree-ssa-loop.c:298 #6 0x005b87ca in execute_one_pass (pass=0xe8ab60) at ../.././gcc/passes.c:1277 #7 0x005b89b0 in execute_pass_list (pass=0xe8ab60) at ../.././gcc/passes.c:1326 #8 0x005b89c5 in execute_pass_list (pass=0xe8a8c0) at ../.././gcc/passes.c:1327 #9 0x005b89c5 in execute_pass_list (pass=0xe89d80) at ../.././gcc/passes.c:1327 #10 0x00678bca in tree_rest_of_compilation (fndecl=0x7fbcd2977100) at ../.././gcc/tree-optimize.c:420 #11 0x00789665 in cgraph_expand_function (node=0x7fbcd2977700) at ../.././gcc/cgraphunit.c:1047 #12 0x0078ab00 in cgraph_optimize () at ../.././gcc/cgraphunit.c:1106 #13 0x00413dcb in c_write_global_declarations () at ../.././gcc/c-decl.c:8102 #14 0x0064301e in toplev_main (argc=value optimized out, argv=value optimized out) at ../.././gcc/toplev.c:981 #15 0x7fbcd315c60d in __libc_start_main () from /lib/libc.so.6 #16 0x00405229 in _start () -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39308 --- Comment #11 from sebpop at gmail dot com 2009-02-26 20:10 --- Created an attachment (id=17369) -- (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17369action=view) -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39308
[Bug middle-end/39308] ICE when compiling with -O[s123] -floop-interchange
--- Comment #12 from il dot basso dot buffo at gmail dot com 2009-02-26 20:57 --- Affirmative, this patch seems to do the trick. Thanks! -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39308
[Bug middle-end/39308] ICE when compiling with -O[s123] -floop-interchange
--- Comment #13 from spop at gcc dot gnu dot org 2009-02-26 22:01 --- Subject: Bug 39308 Author: spop Date: Thu Feb 26 22:00:53 2009 New Revision: 144455 URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=144455 Log: 2009-02-26 Sebastian Pop sebastian@amd.com PR middle-end/39308 * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call number_of_iterations_exit from a gcc_assert. Modified: branches/graphite/gcc/ChangeLog.graphite branches/graphite/gcc/graphite-clast-to-gimple.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39308
