[Bug other/24055] New: ICE (-ffast-math) / could not split insn.

[pluto at agmk dot net]

% gcc floor1.i -c -O2 -ffast-math -mno-ieee-fp -fsigned-char 
 
floor1.c: In function ‘fit_line’: 
floor1.c:522: error: could not split insn 
(insn:HI 137 229 139 (set (mem:SI (reg:SI 0 ax) [5 S4 A32]) 
        (unspec:SI [ 
                (reg:XF 8 st) 
            ] 66)) 462 {*fistsi2_1} (insn_list:REG_DEP_TRUE 135 (nil)) 
    (expr_list:REG_DEAD (reg:XF 8 st) 
        (nil))) 
floor1.c:522: internal compiler error: in final_scan_insn, at final.c:2462 
 
 
% gcc -v 
Reading specs from /usr/lib/gcc/i486-pld-linux/4.1.0/specs 
Target: i486-pld-linux 
Configured with: ../configure --prefix=/usr --libdir=/usr/lib 
--libexecdir=/usr/lib --infodir=/usr/share/info --mandir=/usr/share/man 
--enable-shared --enable-threads=posix --enable-__cxa_atexit 
--enable-languages=c,c++,f95,objc,obj-c++,ada,java --enable-c99 
--enable-long-long --disable-multilib --enable-nls --disable-werror 
--with-gnu-as --with-gnu-ld --with-demangler-in-ld --with-system-zlib 
--with-slibdir=/lib --without-x --enable-cmath --enable-libgcj 
--enable-libgcj-multifile --enable-libgcj-database --enable-gtk-cairo 
i486-pld-linux 
Thread model: posix 
gcc version 4.1.0 20050922 (experimental)

-- 
           Summary: ICE (-ffast-math) / could not split insn.
           Product: gcc
           Version: 4.1.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: other
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: pluto at agmk dot net
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: i486-pld-linux
  GCC host triplet: i486-pld-linux
GCC target triplet: i486-pld-linux


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24055