[Bug target/19584] New: ICE: insn does not satisfy its constraints

[Bug target/19584] New: ICE: insn does not satisfy its constraints

[aj at gcc dot gnu dot org]

With current GCC CVS (4.0.0 20050122) I get the following ICE compiling glibc: 
 
/opt/gcc/4.0-devel/libexec/gcc/x86_64-suse-linux-gnu/4.0.0/cc1 -fpreprocessed 
s_fma2.i -quiet -dumpbase s_fma.c -mtune=k8-auxbase-strip /tmp/s_fma.o -g -O2 
-Wall -Winline -Wno-pointer-sign -Wstrict-prototypes -Wwrite-strings 
-Wno-uninitialized -std=gnu99 -version -o s_fma.s 
GNU C version 4.0.0 20050122 (experimental) (x86_64-suse-linux-gnu) 
        compiled by GNU C version 4.0.0 20050122 (experimental). 
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 
s_fma2.i: In function ?__fma?: 
s_fma2.i:123: error: insn does not satisfy its constraints: 
(insn 268 84 86 7 s_fma2.i:5 (set (reg/v:DI 21 xmm0 [orig:79 _bitsy ] [79]) 
        (const_int 2310346608841064448 [0x2010000000000000])) 81 
{*movdi_1_rex64} (nil) 
    (nil)) 
s_fma2.i:123: internal compiler error: in reload_cse_simplify_operands, at 
postreload.c:391 
Please submit a full bug report, 
with preprocessed source if appropriate. 
See <URL:http://gcc.gnu.org/bugs.html> for instructions.

-- 
           Summary: ICE: insn does not satisfy its constraints
           Product: gcc
           Version: 4.0.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: target
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: aj at gcc dot gnu dot org
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: x86_64-linux-gnu
  GCC host triplet: x86_64-linux-gnu
GCC target triplet: x86_64-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19584

[Bug target/19584] ICE: insn does not satisfy its constraints

[aj at gcc dot gnu dot org]

------- Additional Comments From aj at gcc dot gnu dot org  2005-01-23 09:28 -------
Created an attachment (id=8042)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=8042&action=view)
Reduced testcase


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19584

[Bug target/19584] ICE: insn does not satisfy its constraints

[pinskia at gcc dot gnu dot org]

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |rth at gcc dot gnu dot org
           Keywords|                            |ice-on-valid-code, ssemmx


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19584

[Bug target/19584] [4.0 Regression] ICE: insn does not satisfy its constraints

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2005-01-23 16:15 -------
Confirmed, fully reduced testcase:
double __fma(void)
{
  double t,t1;
  {union {double d; unsigned long long i;} _bitsy; _bitsy.i = 0x2010000000000000LL; t1 = _bitsy.d;};
  {union {double d; unsigned long long i;} _bitsy; _bitsy.i = 0x2010000000000000LL; t = _bitsy.d;};
  return t1*t;
}


-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|                            |1
   Last reconfirmed|0000-00-00 00:00:00         |2005-01-23 16:15:16
               date|                            |
            Summary|ICE: insn does not satisfy  |[4.0 Regression] ICE: insn
                   |its constraints             |does not satisfy its
                   |                            |constraints
   Target Milestone|---                         |4.0.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19584

[Bug target/19584] [4.0 Regression] ICE: insn does not satisfy its constraints

[rth at gcc dot gnu dot org]

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|unassigned at gcc dot gnu   |rth at gcc dot gnu dot org
                   |dot org                     |
             Status|NEW                         |ASSIGNED
   Last reconfirmed|2005-01-23 16:15:16         |2005-01-24 01:32:13
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19584

[Bug target/19584] [4.0 Regression] ICE: insn does not satisfy its constraints

[cvs-commit at gcc dot gnu dot org]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2005-01-25 18:44 -------
Subject: Bug 19584

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	rth@gcc.gnu.org	2005-01-25 18:44:05

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

Log message:
	PR target/19556
	PR target/19584
	* config/i386/i386.c (x86_inter_unit_moves): Zero.
	(ix86_preferred_reload_class): Rewrite fp-constant section, with
	80387 enabled, to return a proper subclass.  Return the subset that
	overlaps with GENERAL_REGS for PLUS.
	* config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.7270&r2=2.7271
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/i386/i386.c.diff?cvsroot=gcc&r1=1.789&r2=1.790
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/i386/i386.md.diff?cvsroot=gcc&r1=1.612&r2=1.613



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19584

[Bug target/19584] [4.0 Regression] ICE: insn does not satisfy its constraints

[rth at gcc dot gnu dot org]

------- Additional Comments From rth at gcc dot gnu dot org  2005-01-25 18:51 -------
http://gcc.gnu.org/ml/gcc-patches/2005-01/msg01815.html

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


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19584