/usr/local/4.2/bin/g++4.2.0 -v Using built-in specs. Target: i686-pc-linux-gnu Configured with: ../gcc-4.2-svn/configure --enable-languages=c,c++ --prefix=/usr/local/4.2 --program-suffix=4.2.0 Thread model: posix gcc version 4.2.0 20060523 (experimental)
Revision: 114016 /usr/local/4.2/libexec/gcc/i686-pc-linux-gnu/4.2.0/cc1plus -quiet -v -I/home/doerfler/ltilib-2/42/linux -I../src/basics -I../src/types -I../src/math -I../src/imgProc -I../src/ioBasics -I../src/io -I../src/draw -I../src/viewer -I../src/system -I../src/classifiers -Iworkbench -I../tester -I/usr/include/cairo -I/usr/include/freetype2 -I/usr/X11R6/include -I/usr/include/libpng12 -I/opt/gnome/include/gtk-2.0 -I/opt/gnome/lib/gtk-2.0/include -I/opt/gnome/include/atk-1.0 -I/opt/gnome/include/pango-1.0 -I/opt/gnome/include/glib-2.0 -I/opt/gnome/lib/glib-2.0/include -D_GNU_SOURCE -D_REENTRANT -D_BSD_SOURCE -D_XOPEN_SOURCE=500 -D_REENTRANT -DNDEBUG -D_USE_FIRE_WIRE_DCAM ../src/imgProc/ltiLocalColorDescriptorExtractor.cpp -quiet -dumpbase ltiLocalColorDescriptorExtractor.cpp -march=pentium-m -msse -msse2 -ansi -auxbase-strip ../obj/release/ltiLocalColorDescriptorExtractor.o -O3 -Wundef -Wwrite-strings -Wall -ansi -version -ftree-vectorize -ftree-vectorizer-verbose=5 -fpic -o /tmp/ccrEtWY9.s ... ../src/imgProc/ltiGridSampling_template.h:227: note: vectorized 0 loops in function. ../src/imgProc/ltiSliceSampling_template.h: In function void __tcf_15(void*): ../src/imgProc/ltiSliceSampling_template.h:82: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. See <URL:http://gcc.gnu.org/bugs.html> for instructions. Unfortunately, if I use -save-temps the ICE does not occur. It also goes away without -ftree-vectorizer-verbose Here is what gdb tells me: Program received signal SIGSEGV, Segmentation fault. 0x40099d9b in strlen () from /lib/tls/libc.so.6 (gdb) bt #0 0x40099d9b in strlen () from /lib/tls/libc.so.6 #1 0x4006e3d8 in vfprintf () from /lib/tls/libc.so.6 #2 0x08694581 in __FUNCTION__.28397 () #3 0x00000001 in ?? () #4 0x4072a1b8 in ?? () #5 0x00000000 in ?? () #6 0x4060a898 in ?? () #7 0x0813df36 in gt_ggc_mx_lang_tree_node (x_p=0x0) at gt-cp-tree.h:89 #8 0x0813df36 in gt_ggc_mx_lang_tree_node (x_p=0x40494b2c) at gt-cp-tree.h:89 #9 0x00000000 in ?? () #10 0x00000002 in ?? () #11 0x00000000 in ?? () #12 0x00000000 in ?? () #13 0x0813df36 in gt_ggc_mx_lang_tree_node (x_p=0x8694582) at gt-cp-tree.h:89 #14 0xffffffff in ?? () (gdb) cont Continuing. ../src/imgProc/ltiSliceSampling_template.h: In function void __tcf_15(void*): ../src/imgProc/ltiSliceSampling_template.h:82: internal compiler error: Segmentation fault The source this happens on is a large library (ltilib-2). Here's a snippet ----------------------------------------- template <class Acc> bool sliceSampling::apply(Acc& acc, const matrix<typename Acc::value_type>& img, const location& loc, dvector& destv) { const parameters& par = getParameters(); // interpolation static const bilinearInterpolation<typename Acc::value_type> bilin; //create accumulators static std::vector<Acc> accuVec; --------------------------------------------- the last line is the one reported as causing the ICE. Acc is a template struct with a few member functions and a C array. When compiled without -ftree-vectorizer-verbose __tcf_15 looks like this: ------------------------------------------------------------------ .align 2 .p2align 4,,15 .type __tcf_15, @function __tcf_15: .LFB3101: pushl %ebp .LCFI428: movl %esp, %ebp .LCFI429: pushl %ebx .LCFI430: call __i686.get_pc_thunk.bx addl $_GLOBAL_OFFSET_TABLE_, %ebx subl $4, %esp .LCFI431: movl [EMAIL PROTECTED](%ebx) , %eax movl (%eax), %eax testl %eax, %eax je .L1085 movl %eax, (%esp) call [EMAIL PROTECTED] .L1085: popl %eax popl %ebx popl %ebp ret .LFE3101: .size __tcf_15, .-__tcf_15 -------------------------------------------------------------------- I can post instructions for downloading and reproduction of the ICE if this is desired. I can also perform further analysis if somebody can give instructions what else I can do. -- Summary: ICE with -ftree-vectorizer-verbose Product: gcc Version: 4.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: gcc at pdoerfler dot com GCC host triplet: i686-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27742
