Re: i386 bootstrap failure: libiberty/sort.c:134: Unrecognizableinsn

[Gerald Pfeifer <pfeifer at dbai dot tuwien dot ac dot at>]

On Fri, 9 Nov 2001, Gerald Pfeifer wrote:
> I guess I'm only seeing this on FreeBSD (i386-unknown-freebsd4.4) as there
> i386 is the default and most of you are compiling for Pentium and higher?

It seems that guess was correct.  On a Debian "testing" box which
bootstrap fine I get a similiar failure once I build for i386-pc-linux-gnu
(instead if i686):

stage1/xgcc -Bstage1/ -B/usr/local/i386-pc-linux-gnu/bin/ -c  -DIN_GCC -g -O2 -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -DHAVE_CONFIG_H    -I. -If -I/.../cvs/gcc/gcc -I/home/gerald/cvs/gcc/gcc/f
-I/home/gerald/cvs/gcc/gcc/config -I/home/gerald/cvs/gcc/gcc/../include /home/gerald/cvs/gcc/gcc/f/implic.c -o f/implic.o
.../cvs/gcc/gcc/f/implic.c: In function `ffeimplic_none':
.../cvs/gcc/gcc/f/implic.c:329: Unrecognizable insn:
(insn 30 22 32 (parallel[
            (set (reg:SI 62)
                (const_int 0 [0x0]))
            (set (reg/f:SI 59)
                (plus:SI (ashift:SI (reg:SI 61)
                        (const_int 2 [0x2]))
                    (reg/f:SI 59)))
            (set (mem:BLK (reg/f:SI 59) [0 A8])
                (const_int 0 [0x0]))
            (use (reg:SI 19 dirflag))
            (use (reg:SI 61))
            (use (reg:SI 19 dirflag))
        ] ) -1 (insn_list 22 (nil))
    (expr_list:REG_UNUSED (reg:SI 62)
        (expr_list:REG_UNUSED (reg/f:SI 59)
            (nil))))
/home/gerald/cvs/gcc/gcc/f/implic.c:329: Internal compiler error in extract_insn, at recog.c:2128
Please submit a full bug report,

The i386-unknown-freebsd4.4 failure was:

> /files/pfeifer/OBJ-1109-09:54/gcc/xgcc -B/files/pfeifer/OBJ-1109-09:54/gcc/ -B/sw/test/gcc/FreeBSD/i386-unknown-freebsd4.4/bin/ -B/sw/test/gcc/FreeBSD/i386-unknown-freebsd4.4/lib/ -isystem /sw/test/gcc/FreeBSD/i386-unknown-freebsd4.4/include -c -DHAVE_CONFIG_H -g -O2 -I. -I/sw/test/gcc/cvs/libiberty/../include  -W -Wall -Wtraditional -pedantic /sw/test/gcc/cvs/libiberty/sort.c
> /sw/test/gcc/cvs/libiberty/sort.c: In function `sort_pointers':
> /sw/test/gcc/cvs/libiberty/sort.c:134: Unrecognizable insn:
> (insn 116 113 119 (parallel[
>             (set (reg:SI 82)
>                 (const_int 0 [0x0]))
>             (set (reg/f:SI 79)
>                 (plus:SI (ashift:SI (reg:SI 81)
>                         (const_int 2 [0x2]))
>                     (reg/f:SI 118)))
>             (set (mem:BLK (reg/f:SI 118) [0 A8])
>                 (const_int 0 [0x0]))
>             (use (reg:SI 19 dirflag))
>             (use (reg:SI 81))
>             (use (reg:SI 19 dirflag))
>         ] ) -1 (insn_list 113 (nil))
>     (expr_list:REG_DEAD (reg:SI 81)
>         (expr_list:REG_UNUSED (reg:SI 82)
>             (expr_list:REG_UNUSED (reg/f:SI 79)
>                 (nil)))))
> /sw/test/gcc/cvs/libiberty/sort.c:134: Internal compiler error in extract_insn, at recog.c:2128
> Please submit a full bug report,

Gerald