[Bug target/16909] New: "unrecognizable insn" ICE during boot

[Bug target/16909] New: "unrecognizable insn" ICE during boot

[hjl at lucon dot org]

As of Fri Aug  6 23:36:29 UTC 2004, I got

/net/gnu/export/gnu/src/gcc/gcc/gcc/bitmap.c: In function `bitmap_equal_p':
/net/gnu/export/gnu/src/gcc/gcc/gcc/bitmap.c:679: error: unrecognizable insn:
(insn:HI 15 14 17 0 /net/gnu/export/gnu/src/gcc/gcc/gcc/bitmap.c:674 (parallel [
           (set (mem/s:DI (reg/f:DI 78) [18 c+16 S8 A128])
                (reg:DI 68))
            (set (reg/f:DI 79)
                (plus:DI (reg/f:DI 78)
                    (const_int 8 [0x8])))
            (use (reg:SI 19 dirflag))
        ]) -1 (insn_list 14 (nil))
    (expr_list:REG_DEAD (reg:SI 19 dirflag)
        (expr_list:REG_DEAD (reg:DI 68)
            (expr_list:REG_DEAD (reg/f:DI 78)
                (expr_list:REG_UNUSED (reg/f:DI 79)
                    (nil))))))
/net/gnu/export/gnu/src/gcc/gcc/gcc/bitmap.c:679: internal compiler error: in
extract_insn, at recog.c:2040
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
make[4]: *** [bitmap.o] Error 1
make[4]: *** Waiting for unfinished jobs....
make[4]: Leaving directory `/export/build/gnu/gcc/build-x86_64-linux/gcc'
make[3]: *** [stage2_build] Error 2
make[3]: Leaving directory `/export/build/gnu/gcc/build-x86_64-linux/gcc'
make[2]: *** [bootstrap] Error 2

-- 
           Summary: "unrecognizable insn" ICE during boot
           Product: gcc
           Version: 3.5.0
            Status: UNCONFIRMED
          Keywords: build
          Severity: normal
          Priority: P2
         Component: target
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: hjl at lucon dot org
                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=16909

[Bug target/16909] "unrecognizable insn" ICE during bootstrap

[hjl at lucon dot org]

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|"unrecognizable insn" ICE   |"unrecognizable insn" ICE
                   |during boot                 |during bootstrap


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16909

[Bug target/16909] [3.5 Regression] "unrecognizable insn" ICE during bootstrap

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2004-08-07 00:20 -------
It is always nice to add the preprocessed source as others without access to your target can fix the bug.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |ice-on-valid-code
            Summary|"unrecognizable insn" ICE   |[3.5 Regression]
                   |during bootstrap            |"unrecognizable insn" ICE
                   |                            |during bootstrap
   Target Milestone|---                         |3.5.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16909

[Bug target/16909] [3.5 Regression] "unrecognizable insn" ICE during bootstrap

[hjl at lucon dot org]

------- Additional Comments From hjl at lucon dot org  2004-08-07 01:37 -------
[hjl@gnu-20 gcc]$ cat foo.c
typedef struct bitmap_head_def {
  void *first;
  void *current;
  unsigned int indx;
  int using_obstack;
} bitmap_head;

bitmap_head c;

void
bitmap_equal_p ()
{
  memset (&c, 0, sizeof (c));
}
[hjl@gnu-20 gcc]$ stage1/xgcc -Bstage1/ -O2 -S foo.c
foo.c: In function `bitmap_equal_p':
foo.c:13: warning: incompatible implicit declaration of built-in 
function 'memset'
foo.c:14: error: unrecognizable insn:
(insn:HI 17 16 18 0 (parallel [
            (set (mem/s:DI (reg/f:DI 62) [2 c+16 S8 A64])
                (reg:DI 60))
            (set (reg/f:DI 63)
                (plus:DI (reg/f:DI 62)
                    (const_int 8 [0x8])))
            (use (reg:SI 19 dirflag))
        ]) -1 (insn_list 16 (nil))
    (expr_list:REG_DEAD (reg:SI 19 dirflag)
        (expr_list:REG_DEAD (reg:DI 60)
            (expr_list:REG_DEAD (reg/f:DI 62)
                (expr_list:REG_UNUSED (reg/f:DI 63)
                    (nil))))))
foo.c:14: internal compiler error: in extract_insn, at recog.c:2040
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.

See

http://gcc.gnu.org/ml/gcc/2004-08/msg00247.html

-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16909

[Bug target/16909] [3.5 Regression] "unrecognizable insn" ICE during bootstrap

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2004-08-07 16:41 -------
Fixed.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |FIXED


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16909

[Bug target/16909] [3.5 Regression] "unrecognizable insn" ICE during bootstrap

[hjl at lucon dot org]

------- Additional Comments From hjl at lucon dot org  2004-08-07 17:36 -------
It isn't fixed.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |UNCONFIRMED
         Resolution|FIXED                       |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16909

[Bug target/16909] [3.5 Regression] "unrecognizable insn" ICE during bootstrap

[hjl at lucon dot org]

------- Additional Comments From hjl at lucon dot org  2004-08-07 17:37 -------
See

http://gcc.gnu.org/ml/gcc-patches/2004-08/msg00457.html

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|unassigned at gcc dot gnu   |jakub at redhat dot com
                   |dot org                     |
             Status|UNCONFIRMED                 |ASSIGNED


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16909

[Bug target/16909] [3.5 Regression] "unrecognizable insn" ICE during bootstrap

[hjl at lucon dot org]

------- Additional Comments From hjl at lucon dot org  2004-08-08 06:50 -------
You need to configure gcc with "--with-cpu=nocona" to see the bug.

-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16909

[Bug target/16909] [3.5 Regression] "unrecognizable insn" ICE during bootstrap with-cpu=nocona

[cvs-commit at gcc dot gnu dot org]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2004-08-10 21:40 -------
Subject: Bug 16909

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	hjl@gcc.gnu.org	2004-08-10 21:40:04

Modified files:
	gcc            : ChangeLog 
	gcc/config/i386: i386.md 

Log message:
	2004-08-10  H.J. Lu  <hongjiu.lu@intel.com>
	
	PR target/16909
	* config/i386/i386.md (*strsetdi_rex_1): Use DI instead of SI.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.4853&r2=2.4854
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/i386/i386.md.diff?cvsroot=gcc&r1=1.552&r2=1.553



-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16909

[Bug target/16909] [3.5 Regression] "unrecognizable insn" ICE during bootstrap with-cpu=nocona

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2004-08-10 21:42 -------
Fixed.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|                            |FIXED


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16909