------- Comment #6 from al dot danial at ngc dot com 2009-07-13 18:51 ------- (In reply to comment #5) > My guess would be you have configured libgmp or libmpfr for a different CPU > than you really have. Try > gdb --args /apps/gcc/4.4.0/libexec/gcc/i686-pc-linux-gnu/4.4.0/f951 hello.f > run > and see on which insn it crashed (disas $pc-32 $pc+32)? > > Another possibility is the binary got corrupted.
> gdb --args /apps/gcc/4.4.0/libexec/gcc/i686-pc-linux-gnu/4.4.0/f951 hello.f GNU gdb Red Hat Linux (6.3.0.0-1.132.EL4rh) Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i386-redhat-linux-gnu"...Using host libthread_db library "/lib/tls/libthread_db.so.1". (gdb) run Starting program: /apps/gcc/4.4.0/libexec/gcc/i686-pc-linux-gnu/4.4.0/f951 hello.f Program received signal SIGILL, Illegal instruction. 0x009c0cb9 in __gmpn_submul_1 () from /apps/gmp/4.2.2/lib/libgmp.so.3 (gdb) where #0 0x009c0cb9 in __gmpn_submul_1 () from /apps/gmp/4.2.2/lib/libgmp.so.3 #1 0x009cd5a2 in __gmpn_sb_divrem_mn () from /apps/gmp/4.2.2/lib/libgmp.so.3 #2 0x00000000 in ?? () (gdb) disas $pc-32 $pc+32 Dump of assembler code from 0x9c0c99 to 0x9c0cd9: 0x009c0c99 <__gmpn_submul_1+2>: leave 0x009c0c9a <__gmpn_submul_1+3>: mov 0x8(%esp),%eax 0x009c0c9e <__gmpn_submul_1+7>: pcmpeqd %mm0,%mm0 0x009c0ca1 <__gmpn_submul_1+10>: movd 0x10(%esp),%mm7 0x009c0ca6 <__gmpn_submul_1+15>: pcmpeqd %mm6,%mm6 0x009c0ca9 <__gmpn_submul_1+18>: mov 0x4(%esp),%edx 0x009c0cad <__gmpn_submul_1+22>: psrlq $0x20,%mm0 0x009c0cb1 <__gmpn_submul_1+26>: mov 0xc(%esp),%ecx 0x009c0cb5 <__gmpn_submul_1+30>: psllq $0x20,%mm6 0x009c0cb9 <__gmpn_submul_1+34>: psubq %mm0,%mm6 0x009c0cbc <__gmpn_submul_1+37>: psubq %mm1,%mm0 0x009c0cbf <__gmpn_submul_1+40>: movd (%eax),%mm1 0x009c0cc2 <__gmpn_submul_1+43>: lea 0x4(%eax),%eax 0x009c0cc5 <__gmpn_submul_1+46>: movd (%edx),%mm2 0x009c0cc8 <__gmpn_submul_1+49>: paddq %mm6,%mm2 0x009c0ccb <__gmpn_submul_1+52>: pmuludq %mm7,%mm1 0x009c0cce <__gmpn_submul_1+55>: psubq %mm1,%mm2 0x009c0cd1 <__gmpn_submul_1+58>: paddq %mm2,%mm0 0x009c0cd4 <__gmpn_submul_1+61>: sub $0x1,%ecx 0x009c0cd7 <__gmpn_submul_1+64>: movd %mm0,(%edx) End of assembler dump. (gdb) yeah, something with GMP. I'll rebuild it, then rebuild GCC 4.4.0, report what happens. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40734
