When I compile gsl1.5 with the actual snapshot of gcc41 (20050813) I get an ICE
with -O2. This ICE is new, the snapshot from last week is working.
Michael Cieslinski
gcc41k -O2 -c csyr2k.i -o csyr2k.o
csyr2k.c: In function 'cblas_csyr2k':
csyr2k.c:10: internal compiler error: Segmentation fault
Please submit a full bug report, with preprocessed source if appropriate.
g++41k -v
Using built-in specs.
Target: x86_64-unknown-linux-gnu
Configured with: ../gcc-4.1-20050813/configure --prefix=/usr/local/gcc41k
--program-suffix=41k --with-arch=opteron --enable-languages=c,c++
--enable-checking
Thread model: posix
gcc version 4.1.0 20050813 (experimental)
gdb --args /usr/local/gcc41k/libexec/gcc/x86_64-unknown-linux-gnu/4.1.0/cc1 -
fpreprocessed csyr2k.i -quiet -dumpbase csyr2k.i -march=opteron -auxbase-strip
csyr2k.o -O2 -version -o /tmp/ccMJkP9T.s
GNU gdb Red Hat Linux (6.1post-1.20040607.33rh)
Copyright 2004 Free Software Foundation, Inc.
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This GDB was configured as "x86_64-redhat-linux-gnu"...Using host libthread_db
library "/lib64/tls/libthread_db.so.1".
(gdb) r
Starting program: /usr/local/gcc41k/libexec/gcc/x86_64-unknown-linux-
gnu/4.1.0/cc1 -fpreprocessed csyr2k.i -quiet -dumpbase csyr2k.i -march=opteron -
auxbase-strip csyr2k.o -O2 -version -o /tmp/ccMJkP9T.s
GNU C version 4.1.0 20050813 (experimental) (x86_64-unknown-linux-gnu)
compiled by GNU C version 4.1.0 20050813 (experimental).
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
Compiler executable checksum: 4b87d8d2c3942a89e39fe1d4e5675abd
Program received signal SIGSEGV, Segmentation fault.
0x00000000005c1a63 in fold_binary (code=NE_EXPR, type=0x2a955968f0,
op0=0x2a9588df50, op1=0x2a95980280) at ../../gcc-4.1-20050813/gcc/fold-
const.c:7042
7042 STRIP_SIGN_NOPS (arg1);
(gdb) where
#0 0x00000000005c1a63 in fold_binary (code=NE_EXPR, type=0x2a955968f0,
op0=0x2a9588df50, op1=0x2a95980280) at ../../gcc-4.1-20050813/gcc/fold-
const.c:7042
#1 0x00000000005cf589 in fold_build2_stat (code=NE_EXPR, type=0x2a955968f0,
op0=0x2a9588df50, op1=0x2a95980280) at ../../gcc-4.1-20050813/gcc/fold-
const.c:10478
#2 0x00000000005c7fb9 in fold_binary (code=NE_EXPR, type=0x2a955968f0,
op0=0x2a95981050, op1=0x2a958c6fc0) at ../../gcc-4.1-20050813/gcc/fold-
const.c:9349
#3 0x00000000005cf589 in fold_build2_stat (code=NE_EXPR, type=0x2a955968f0,
op0=0x2a95981050, op1=0x2a958c6fc0) at ../../gcc-4.1-20050813/gcc/fold-
const.c:10478
#4 0x00000000005ccde5 in fold_binary (code=dwarf2_read_address: Corrupted
DWARF expression.
) at ../../gcc-4.1-20050813/gcc/fold-const.c:8979
#5 0x00000000005cf589 in fold_build2_stat (code=NE_EXPR, type=0x2a955968f0,
op0=0x2a959810a0, op1=0x2a9595ef90) at ../../gcc-4.1-20050813/gcc/fold-
const.c:10478
#6 0x00000000005c306f in fold_binary (code=NE_EXPR, type=0x2a955968f0,
op0=0x2a95980300, op1=0x2a95588b40) at ../../gcc-4.1-20050813/gcc/fold-
const.c:6358
#7 0x00000000005cf589 in fold_build2_stat (code=NE_EXPR, type=0x2a955968f0,
op0=0x2a95980300, op1=0x2a95588b40) at ../../gcc-4.1-20050813/gcc/fold-
const.c:10478
#8 0x00000000005c9922 in fold_binary (code=dwarf2_read_address: Corrupted
DWARF expression.
) at ../../gcc-4.1-20050813/gcc/fold-const.c:9260
#9 0x00000000005cf589 in fold_build2_stat (code=LE_EXPR, type=0x2a955968f0,
op0=0x2a95980300, op1=0x2a9595ecf0) at ../../gcc-4.1-20050813/gcc/fold-
const.c:10478
#10 0x00000000005c9465 in fold_binary (code=dwarf2_read_address: Corrupted
DWARF expression.
) at ../../gcc-4.1-20050813/gcc/fold-const.c:9164
#11 0x00000000005cf589 in fold_build2_stat (code=LT_EXPR, type=0x2a955968f0,
op0=0x2a95980300, op1=0x2a95588b40) at ../../gcc-4.1-20050813/gcc/fold-
const.c:10478
#12 0x00000000005c3425 in fold_binary (code=GT_EXPR, type=0x2a955968f0,
op0=0x2a95588b40, op1=0x2a95980300) at ../../gcc-4.1-20050813/gcc/fold-
const.c:8799
#13 0x00000000005cf589 in fold_build2_stat (code=GT_EXPR, type=0x2a955968f0,
op0=0x2a95588b40, op1=0x2a95980300) at ../../gcc-4.1-20050813/gcc/fold-
const.c:10478
#14 0x00000000005d6669 in fold_binary_op_with_conditional_arg (code=GT_EXPR,
type=0x2a955968f0, op0=Variable "op0" is not available.
) at ../../gcc-4.1-20050813/gcc/fold-const.c:5631
#15 0x00000000005c1ecd in fold_binary (code=GT_EXPR, type=0x2a955968f0,
op0=0x2a95588b40, op1=0x2a959811e0) at ../../gcc-4.1-20050813/gcc/fold-
const.c:7139
#16 0x00000000004d10a9 in proved_non_wrapping_p (at_stmt=0x0,
niter_bound=0xc557e0, new_type=Variable "new_type" is not available.
) at ../../gcc-4.1-20050813/gcc/tree-ssa-loop-niter.c:1665
#17 0x00000000004d148e in scev_probably_wraps_p (type=0x2a95596580,
base=Variable "base" is not available.
) at ../../gcc-4.1-20050813/gcc/tree-ssa-loop-niter.c:1942
#18 0x00000000007e44a2 in chrec_convert (type=0x2a95596580, chrec=0x2a959aaf00,
at_stmt=0x0) at ../../gcc-4.1-20050813/gcc/tree-chrec.c:1123
#19 0x00000000007e8ddb in analyze_scalar_evolution_1 (loop=0xc1a480,
var=0x2a95999e80, res=0x0) at ../../gcc-4.1-20050813/gcc/tree-scalar-
evolution.c:1761
#20 0x00000000007e9807 in analyze_scalar_evolution (loop=0xc1a480, var=0x0)
at ../../gcc-4.1-20050813/gcc/tree-scalar-evolution.c:1852
#21 0x00000000007eaedc in analyze_scalar_evolution_in_loop (wrto_loop=0xc1a260,
use_loop=0xc1a480, version=Variable "version" is not available.
) at ../../gcc-4.1-20050813/gcc/tree-scalar-evolution.c:1876
#22 0x00000000007eb667 in simple_iv (loop=0xc1a260, stmt=0x2a9599c0f0,
op=0x2a95999e80, base=0x7fbfffe6b0, step=0x7fbfffe6a8,
allow_nonconstant_step=1 '\001')
at ../../gcc-4.1-20050813/gcc/tree-scalar-evolution.c:2550
#23 0x00000000004f0542 in find_induction_variables (data=0x7fbfffe770)
at ../../gcc-4.1-20050813/gcc/tree-ssa-loop-ivopts.c:1066
#24 0x00000000004f3a76 in tree_ssa_iv_optimize (loops=0xc2f090) at ../../gcc-
4.1-20050813/gcc/tree-ssa-loop-ivopts.c:5926
#25 0x000000000078a2d6 in execute_one_pass (pass=0xb0d1c0) at ../../gcc-4.1-
20050813/gcc/passes.c:797
#26 0x000000000078a3fc in execute_pass_list (pass=0xb0d1c0) at ../../gcc-4.1-
20050813/gcc/passes.c:829
#27 0x000000000078a40e in execute_pass_list (pass=0xb0cda0) at ../../gcc-4.1-
20050813/gcc/passes.c:830
#28 0x000000000078a40e in execute_pass_list (pass=0xb095e0) at ../../gcc-4.1-
20050813/gcc/passes.c:830
#29 0x0000000000483435 in tree_rest_of_compilation (fndecl=0x2a957e5a00)
at ../../gcc-4.1-20050813/gcc/tree-optimize.c:419
#30 0x000000000040c025 in c_expand_body (fndecl=0x2a957e5a00) at ../../gcc-4.1-
20050813/gcc/c-decl.c:6633
#31 0x00000000007d4a16 in cgraph_expand_function (node=0x2a95815f20)
at ../../gcc-4.1-20050813/gcc/cgraphunit.c:1034
#32 0x00000000007d6b0b in cgraph_optimize () at ../../gcc-4.1-
20050813/gcc/cgraphunit.c:1100
#33 0x0000000000416143 in c_write_global_declarations () at ../../gcc-4.1-
20050813/gcc/c-decl.c:7618
#34 0x000000000075e3d6 in toplev_main (argc=Variable "argc" is not available.
) at ../../gcc-4.1-20050813/gcc/toplev.c:984
#35 0x0000003ef781bf6a in __libc_start_main () from /lib64/tls/libc.so.6
#36 0x000000000040260a in _start ()
--
Summary: ICE: Segmentation fault compiling gsl1.5 at -O2
Product: gcc
Version: 4.1.0
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: tree-optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: micis at gmx dot de
CC: gcc-bugs at gcc dot gnu dot org
GCC build triplet: x86_64-unknown-linux-gnu
GCC host triplet: x86_64-unknown-linux-gnu
GCC target triplet: x86_64-unknown-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23434
