[Bug fortran/13060] New: ICE in fixup_var_refs_1, at function.c:1947 on correct code with "-O2 -fno-force-mem"

[Bug fortran/13060] New: ICE in fixup_var_refs_1, at function.c:1947 on correct code with "-O2 -fno-force-mem"

[smelkov at mph1 dot phys dot spbu dot ru]

--- geo2.f --- 
c   g77 -c -O2 -fno-force-mem geo2.f 
c   geo2.f: In subroutine `geo2': geo2.f:13: internal compiler error: in fixup_var_refs_1, at 
function.c:1947 
c   Please submit a full bug report, 
c   with preprocessed source if appropriate. 
c   See <URL:http://gcc.gnu.org/bugs.html> for instructions. 
 
      subroutine geo2() 
      implicit none 
 
      integer ms,n,ne(2) 
 
      ne(1) = 1 
      ne(2) = 2 
      ms = 1 
 
      call call_me(ne(1)*ne(1)) 
 
      n = ne(ms) 
      end 
--- geo2.f end--- 
 
[kirr@roro psi]$ g77 -v 
Reading specs from /mnt/tmini/kirr/local/gcc-3.3.2/lib/gcc-lib/i686-pc-linux-gnu/3.3.2/specs 
Configured with: ../gcc-3.3.2/configure --prefix=/mnt/tmini/kirr/local/gcc-3.3.2 --with-gnu-as 
--with-gnu-ld --enable-threads=posix --enable-languages=c,c++,f77 --enable-checking 
--disable-nls 
Thread model: posix 
gcc version 3.3.2

-- 
           Summary: ICE in fixup_var_refs_1, at function.c:1947 on correct
                    code with "-O2 -fno-force-mem"
           Product: gcc
           Version: 3.3.2
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: fortran
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: smelkov at mph1 dot phys dot spbu dot ru
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: i686-pc-linux-gnu
  GCC host triplet: i686-pc-linux-gnu
GCC target triplet: i686-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13060

[Bug fortran/13060] [g77] ICE in fixup_var_refs_1, at function.c:1947 on correct code with "-O2 -fno-force-mem"

[toon at moene dot indiv dot nluug dot nl]

------- Additional Comments From toon at moene dot indiv dot nluug dot nl  2003-11-15 12:55 -------
Probably target specific, as I cannot reproduce it on powerpc-unknown-linux-gnu.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|ICE in fixup_var_refs_1, at |[g77] ICE in
                   |function.c:1947 on correct  |fixup_var_refs_1, at
                   |code with "-O2 -fno-force-  |function.c:1947 on correct
                   |mem"                        |code with "-O2 -fno-force-
                   |                            |mem"


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13060

[Bug optimization/13060] [3.3/3.4 Regression] [g77] ICE in fixup_var_refs_1, at function.c:1947 on correct code with "-O2 -fno-force-mem"

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2003-11-15 19:35 -------
I can confirm this with the mainline and it is a regression from 2.95.3.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
          Component|fortran                     |optimization
     Ever Confirmed|                            |1
           Keywords|                            |ice-on-valid-code
   Last reconfirmed|0000-00-00 00:00:00         |2003-11-15 19:35:42
               date|                            |
            Summary|[g77] ICE in                |[3.3/3.4 Regression] [g77]
                   |fixup_var_refs_1, at        |ICE in fixup_var_refs_1, at
                   |function.c:1947 on correct  |function.c:1947 on correct
                   |code with "-O2 -fno-force-  |code with "-O2 -fno-force-
                   |mem"                        |mem"
   Target Milestone|---                         |3.3.3


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13060

[Bug optimization/13060] [3.3/3.4 Regression] [g77] ICE in fixup_var_refs_1, at function.c:1947 on correct code with "-O2 -fno-force-mem"

[ebotcazou at gcc dot gnu dot org]

------- Additional Comments From ebotcazou at gcc dot gnu dot org  2003-12-02 15:57 -------
Confirmed with gcc version 3.3.3 20031129 (prerelease) at -O -fno-force-mem.


-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|2003-11-15 19:35:42         |2003-12-02 15:57:12
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13060

[Bug optimization/13060] [3.3/3.4 Regression] [g77] ICE in fixup_var_refs_1, at function.c:1947 on correct code with "-O2 -fno-force-mem"

[ebotcazou at gcc dot gnu dot org]

------- Additional Comments From ebotcazou at gcc dot gnu dot org  2003-12-03 09:17 -------
Investigating.


-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|unassigned at gcc dot gnu   |ebotcazou at gcc dot gnu dot
                   |dot org                     |org
             Status|NEW                         |ASSIGNED


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13060

[Bug optimization/13060] [3.3/3.4 Regression] [g77] ICE in fixup_var_refs_1, at function.c:1947 on correct code with "-O2 -fno-force-mem"

[ebotcazou at gcc dot gnu dot org]

------- Additional Comments From ebotcazou at gcc dot gnu dot org  2003-12-04 11:58 -------
-O alone is sufficient to trigger the ICE since -fforce-mem is not enabled at -O.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13060

[Bug optimization/13060] [3.3/3.4 Regression] [g77] ICE in fixup_var_refs_1, at function.c:1947 on correct code with "-O2 -fno-force-mem"

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2003-12-06 11:56 -------
Patch here: <http://gcc.gnu.org/ml/gcc-patches/2003-12/msg00628.html>.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |patch


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13060

[Bug optimization/13060] [3.3/3.4 Regression] [g77] ICE in fixup_var_refs_1, at function.c:1947 on correct code with "-O2 -fno-force-mem"

[cvs-commit at gcc dot gnu dot org]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2003-12-07 12:52 -------
Subject: Bug 13060

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	ebotcazou@gcc.gnu.org	2003-12-07 12:51:58

Modified files:
	gcc            : ChangeLog function.c 
	gcc/testsuite  : ChangeLog 
Added files:
	gcc/testsuite/g77.f-torture/compile: 13060.f 

Log message:
	PR optimization/13060
	* function.c (fixup_var_refs_1) [SUBREG]: Recognize even if a
	replacement already exists.  Fix again the whole insn if that fails.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.1943&r2=2.1944
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/function.c.diff?cvsroot=gcc&r1=1.473&r2=1.474
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.3235&r2=1.3236
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/g77.f-torture/compile/13060.f.diff?cvsroot=gcc&r1=NONE&r2=1.1



-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13060

[Bug optimization/13060] [3.3/3.4 Regression] [g77] ICE in fixup_var_refs_1, at function.c:1947 on correct code with "-O2 -fno-force-mem"

[cvs-commit at gcc dot gnu dot org]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2003-12-11 07:58 -------
Subject: Bug 13060

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	gcc-3_3-branch
Changes by:	ebotcazou@gcc.gnu.org	2003-12-11 07:58:00

Modified files:
	gcc            : ChangeLog function.c 
	gcc/testsuite  : ChangeLog 
Added files:
	gcc/testsuite/g77.f-torture/compile: 13060.f 

Log message:
	Backport from mainline:
	
	2003-12-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
	
	PR optimization/13060
	* function.c (fixup_var_refs_1) [SUBREG]: Recognize even if a
	replacement already exists.  Fix again the whole insn if that fails.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_3-branch&r1=1.16114.2.837&r2=1.16114.2.838
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/function.c.diff?cvsroot=gcc&only_with_tag=gcc-3_3-branch&r1=1.389.2.12&r2=1.389.2.13
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_3-branch&r1=1.2261.2.329&r2=1.2261.2.330
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/g77.f-torture/compile/13060.f.diff?cvsroot=gcc&only_with_tag=gcc-3_3-branch&r1=NONE&r2=1.1.2.1



-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13060

[Bug optimization/13060] [3.3/3.4 Regression] [g77] ICE in fixup_var_refs_1, at function.c:1947 on correct code with "-O2 -fno-force-mem"

[ebotcazou at gcc dot gnu dot org]

------- Additional Comments From ebotcazou at gcc dot gnu dot org  2003-12-11 07:59 -------
See the aforementioned link.


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


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13060