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From: "regehr at cs dot utah.edu" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c/48734] New: ICE in eliminate_redundant_comparison, at tree-ssa-reassoc.c:1321 Date: Fri, 22 Apr 2011 20:53:00 -0000 [thread overview] Message-ID: <bug-48734-4@http.gcc.gnu.org/bugzilla/> (raw) http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48734 Summary: ICE in eliminate_redundant_comparison, at tree-ssa-reassoc.c:1321 Product: gcc Version: 4.7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c AssignedTo: unassigned@gcc.gnu.org ReportedBy: regehr@cs.utah.edu CC: chenyang@cs.utah.edu Host: x86_64-unknown-linux-gnu Target: x86_64-unknown-linux-gnu Build: x86_64-unknown-linux-gnu [regehr@gamow tmp013]$ current-gcc -O3 small.c small.c: In function 'func_69': small.c:12:1: internal compiler error: in eliminate_redundant_comparison, at tree-ssa-reassoc.c:1321 Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. [regehr@gamow tmp013]$ current-gcc -v Using built-in specs. COLLECT_GCC=current-gcc COLLECT_LTO_WRAPPER=/uusoc/exports/scratch/regehr/z/compiler-install/gcc-r172870-install/bin/../libexec/gcc/x86_64-unknown-linux-gnu/4.7.0/lto-wrapper Target: x86_64-unknown-linux-gnu Configured with: ../configure --with-libelf=/usr/local --enable-lto --prefix=/home/regehr/z/compiler-install/gcc-r172870-install --program-prefix=r172870- --enable-languages=c,c++ Thread model: posix gcc version 4.7.0 20110422 (experimental) (GCC) [regehr@gamow tmp013]$ cat small.c int safe_21 (int si) { return si == -2147483647 - 1 ? si : -si; } unsigned g_73; unsigned g_79; long g_178; int g_709; int * func_69 (p_71) { long l_78 = 1; int i; for (i = 0; l_78 < 10; l_78 += 1) for (g_79 = 0; g_79 < 1; g_79 = 1) g_178 &= safe_21 (p_71) > g_73; return 0; } void func_60 (unsigned p_61, int *p_62, int *p_64) { func_69 (p_61); } int main (void) { int *l_858 = &g_709; int i; for (i = 0; i < 1; g_73 = 1) for (; i < 1; i++) { } long l_857 = 1; func_60 (l_857, l_858, &g_709); func_60 (0, 0, 0); return 0; }
next reply other threads:[~2011-04-22 20:53 UTC|newest] Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top 2011-04-22 20:53 regehr at cs dot utah.edu [this message] 2011-04-26 6:16 ` [Bug tree-optimization/48734] [4.6/4.7 Regression] " jakub at gcc dot gnu.org 2011-04-26 6:57 ` jakub at gcc dot gnu.org 2011-04-26 7:39 ` jakub at gcc dot gnu.org 2011-04-26 12:17 ` rguenth at gcc dot gnu.org 2011-04-26 13:37 ` jakub at gcc dot gnu.org 2011-04-26 13:46 ` jakub at gcc dot gnu.org 2011-04-26 13:50 ` jakub at gcc dot gnu.org
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