[Bug target/12721] New: ICE when building a cross compiler for avr-elf

[Bug target/12721] New: ICE when building a cross compiler for avr-elf

[berndtrog at yahoo dot com]

PLEASE REPLY TO gcc-bugzilla@gcc.gnu.org ONLY, *NOT* gcc-bugs@gcc.gnu.org.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12721

           Summary: ICE when building a cross compiler for avr-elf
           Product: gcc
           Version: 3.4
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: target
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: berndtrog at yahoo dot com
                CC: gcc-bugs at gcc dot gnu dot org
  GCC host triplet: i686-pc-linux-gnu
GCC target triplet: avr-elf

Building a cross compiler for avr-elf failed with:

/src/gcc-20031021/configure -v --target=avr --prefix=/install/gcc-34-031021
--with-gnu-ld --with-gnu-as --disable-nls --enable-languages=c

[..]

/build/gcc/xgcc -B/build/gcc/ -B/install/gcc-34-031021/avr/bin/
-B/install/gcc-34-031021/avr/lib/ -isystem /install/gcc-34-031021/avr/include
-isystem /install/gcc-34-031021/avr/sys-include -O2  -DIN_GCC -DCROSS_COMPILE  
-W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -isystem
./include  -DDF=SF -Dinhibit_libc -mcall-prologues -g  -DIN_LIBGCC2
-D__GCC_FLOAT_NOT_NEEDED -Dinhibit_libc -I. -I -I/src/gcc-20031021/gcc
-I/src/gcc-20031021/gcc/ -I/src/gcc-20031021/gcc/../include   -DL_lshrdi3 -c
/src/gcc-20031021/gcc/libgcc2.c -o libgcc/./_lshrdi3.o
/src/gcc-20031021/gcc/libgcc2.c: In function `__lshrdi3':

/src/gcc-20031021/gcc/libgcc2.c:387: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.


>gcc -v
Reading specs from /usr/local/gcc34-031021/lib/gcc/i686-pc-linux-gnu/3.4/specs
Configured with: /src/gcc/configure --prefix=/usr/local/gcc34-031021
--enable-languages=c,c++,ada --disable-nls
Thread model: posix
gcc version 3.4 20031021 (experimental)


This is a regression from 3.3.1 to 3.4

[Bug target/12721] ICE when building a cross compiler for avr-elf

[eric at ecentral dot com]

PLEASE REPLY TO gcc-bugzilla@gcc.gnu.org ONLY, *NOT* gcc-bugs@gcc.gnu.org.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12721


eric at ecentral dot com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |eric at ecentral dot com

[Bug optimization/12721] [3.4 Regression] ICE when building a cross compiler for avr-elf

[pinskia at gcc dot gnu dot org]

PLEASE REPLY TO gcc-bugzilla@gcc.gnu.org ONLY, *NOT* gcc-bugs@gcc.gnu.org.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12721


pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|target                      |optimization
           Keywords|                            |build, ice-on-valid-code
            Summary|ICE when building a cross   |[3.4 Regression] ICE when
                   |compiler for avr-elf        |building a cross compiler
                   |                            |for avr-elf
   Target Milestone|---                         |3.4

[Bug optimization/12721] [3.4 Regression] ICE when building a cross compiler for avr-elf

[pinskia at gcc dot gnu dot org]

PLEASE REPLY TO gcc-bugzilla@gcc.gnu.org ONLY, *NOT* gcc-bugs@gcc.gnu.org.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12721


pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |WAITING


------- Additional Comments From pinskia at gcc dot gnu dot org  2003-10-23 06:51 -------
Could you attach the preprocessed source?

[Bug optimization/12721] [3.4 Regression] ICE when building a cross compiler for avr-elf

[berndtrog at yahoo dot com]

PLEASE REPLY TO gcc-bugzilla@gcc.gnu.org ONLY, *NOT* gcc-bugs@gcc.gnu.org.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12721


berndtrog at yahoo dot com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|WAITING                     |NEW
     Ever Confirmed|                            |1

[Bug target/12721] [3.4 Regression] ICE when building a cross compiler for avr-elf

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2003-12-19 09:41 -------
Totally a target issue: zero_reg_rtx is 0.  The problem is that the allocation of zero_reg_rtx in 
avr_init_once does not play nicely with GC.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|optimization                |target


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12721

[Bug target/12721] [3.4 Regression] ICE when building a cross compiler for avr-elf

[kazu at cs dot umass dot edu]

------- Additional Comments From kazu at cs dot umass dot edu  2003-12-24 19:31 -------
Reduced to:

void
foo (void)
{
  struct s {
    int a;
  } w;

  w.a = 0;
}


-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |kazu at cs dot umass dot edu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12721

[Bug target/12721] [3.4 Regression] ICE when building a cross compiler for avr-elf

[kazu at cs dot umass dot edu]

------- Additional Comments From kazu at cs dot umass dot edu  2003-12-24 20:32 -------
Posted a patch.

http://gcc.gnu.org/ml/gcc-patches/2003-12/msg02055.html


-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|unassigned at gcc dot gnu   |kazu at cs dot umass dot edu
                   |dot org                     |
             Status|NEW                         |ASSIGNED
           Keywords|                            |patch


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12721

[Bug target/12721] [3.4 Regression] ICE when building a cross compiler for avr-elf

[cvs-commit at gcc dot gnu dot org]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2003-12-24 20:39 -------
Subject: Bug 12721

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	kazu@gcc.gnu.org	2003-12-24 20:39:30

Modified files:
	gcc            : ChangeLog 
	gcc/config/avr : avr.c avr.h 

Log message:
	PR target/12721.
	* config/avr/avr.c: Include ggc.h.
	(tmp_reg_rtx): Declare with GTY.
	(zero_reg_rtx): Likewise.
	(ldi_reg_rtx): Remove.
	(avr_override_options): Initialize zero_reg_rtx and
	ldi_reg_rtx.
	(avr_init): Remove.
	Include gt-avr.h.
	* config/avr/avr.h (LDI_REG_REGNO): Remove.
	Remove externs for tmp_reg_rtx, zero_reg_rtx, and ldi_reg_rtx.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.2092&r2=2.2093
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/avr/avr.c.diff?cvsroot=gcc&r1=1.103&r2=1.104
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/avr/avr.h.diff?cvsroot=gcc&r1=1.92&r2=1.93



-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12721

[Bug target/12721] [3.4 Regression] ICE when building a cross compiler for avr-elf

[kazu at cs dot umass dot edu]

------- Additional Comments From kazu at cs dot umass dot edu  2003-12-24 20:42 -------
Just committed a patch.


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


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12721