[Bug optimization/14201] New: [tree-ssa] float -> int (in mem) with -mieee causes unrecognizable insn+segv

[Bug optimization/14201] New: [tree-ssa] float -> int (in mem) with -mieee causes unrecognizable insn+segv

[falk at debian dot org]

Probably target specific.

GNU C version 3.5-tree-ssa 20040217 (merged 20040211) (alphaev68-unknown-linux-gnu)
        compiled by GNU C version 3.5-tree-ssa 20040217 (merged 20040211).
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096

% cat test.c
void glopMaterial (float v, int *shininess_i)
{
  *shininess_i = v;
}

% gcc -mieee -O -c test.c   
test.c: In function `glopMaterial':
test.c:4: error: unrecognizable insn:
(insn 19 10 20 0 (set (reg:DI 42 $f10)
        (mem:SF (float_extend:DF (reg:SF 48 $f16 [ v ]))test.c:4: internal
compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.

-- 
           Summary: [tree-ssa] float -> int (in mem) with -mieee causes
                    unrecognizable insn+segv
           Product: gcc
           Version: tree-ssa
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P2
         Component: optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: falk at debian dot org
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: alphaev68-unknown-linux-gnu
  GCC host triplet: alphaev68-unknown-linux-gnu
GCC target triplet: alphaev68-unknown-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14201

[Bug middle-end/14201] [tree-ssa] float -> int (in mem) with -mieee causes unrecognizable insn+segv

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2004-02-19 00:30 -------
This is a RTL problem, I think this is most likely a laten bug in the target.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|optimization                |middle-end
           Keywords|                            |RTL
   Target Milestone|---                         |tree-ssa


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14201

[Bug middle-end/14201] [tree-ssa] float -> int (in mem) with -mieee causes unrecognizable insn+segv

[falk at debian dot org]

------- Additional Comments From falk at debian dot org  2004-02-19 13:32 -------
It's a bug in alpha.md caused by this patch:

http://gcc.gnu.org/ml/gcc-patches/2003-10/msg01610.html

Working on a fix.


-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
     Ever Confirmed|                            |1


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14201

[Bug target/14201] [3.4/3.5 regression] float -> int (in mem) with -mieee causes unrecognizable insn+segv

[falk at debian dot org]

------- Additional Comments From falk at debian dot org  2004-02-19 13:41 -------
Argh. "Assigned To" wasn't set properly.

This is a target bug, really, and also present in 3.4 and 3.5. Marking as such.


-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|unassigned at gcc dot gnu   |falk at debian dot org
                   |dot org                     |
           Severity|normal                      |critical
          Component|middle-end                  |target
            Summary|[tree-ssa] float -> int (in |[3.4/3.5 regression] float -
                   |mem) with -mieee causes     |> int (in mem) with -mieee
                   |unrecognizable insn+segv    |causes unrecognizable
                   |                            |insn+segv
   Target Milestone|tree-ssa                    |3.4.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14201

[Bug target/14201] [3.4/3.5 regression] float -> int (in mem) with -mieee causes unrecognizable insn+segv

[cvs-commit at gcc dot gnu dot org]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2004-02-20 22:13 -------
Subject: Bug 14201

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	falk@gcc.gnu.org	2004-02-20 22:13:17

Modified files:
	gcc/config/alpha: alpha.md 
	gcc            : ChangeLog 
	gcc/testsuite  : ChangeLog 
Added files:
	gcc/testsuite/gcc.c-torture/compile: fix-trunc-mem-1.c 

Log message:
	PR target/14201
	* config/alpha/alpha.md (*fix_truncsfsi_ieee): Fix typoed operand
	numbers.
	* gcc.c-torture/compile/fix-trunc-mem-1.c: New test.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/alpha/alpha.md.diff?cvsroot=gcc&r1=1.218&r2=1.219
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.2873&r2=2.2874
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.3524&r2=1.3525
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.c-torture/compile/fix-trunc-mem-1.c.diff?cvsroot=gcc&r1=NONE&r2=1.1



-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14201

[Bug target/14201] [3.4/3.5 regression] float -> int (in mem) with -mieee causes unrecognizable insn+segv

[cvs-commit at gcc dot gnu dot org]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2004-02-20 22:25 -------
Subject: Bug 14201

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	gcc-3_4-branch
Changes by:	falk@gcc.gnu.org	2004-02-20 22:25:49

Modified files:
	gcc/config/alpha: alpha.md 
	gcc            : ChangeLog 
	gcc/testsuite  : ChangeLog 
Added files:
	gcc/testsuite/gcc.c-torture/compile: fix-trunc-mem-1.c 

Log message:
	PR target/14201
	* config/alpha/alpha.md (*fix_truncsfsi_ieee): Fix typoed operand
	numbers.
	* gcc.c-torture/compile/fix-trunc-mem-1.c: New test.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/alpha/alpha.md.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.215.6.3&r2=1.215.6.4
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=2.2326.2.235&r2=2.2326.2.236
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.3389.2.96&r2=1.3389.2.97
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.c-torture/compile/fix-trunc-mem-1.c.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=NONE&r2=1.1.2.1



-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14201

[Bug target/14201] [3.4/3.5 regression] float -> int (in mem) with -mieee causes unrecognizable insn+segv

[falk at debian dot org]

------- Additional Comments From falk at debian dot org  2004-02-20 22:29 -------
Fix checked in to both 3.4 and 3.5.

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


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14201