[Bug target/32065] New: Many dfp testsuite failures for -msse targets

[Bug target/32065] New: Many dfp testsuite failures for -msse targets

[ubizjak at gmail dot com]

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gcc -march=pentium4 -O2  cast.c
cast.c: In function âmainâ:
cast.c:88: error: unrecognizable insn:
(insn 11 10 12 3 cast.c:52 (set (subreg:TI (reg:TD 63) 0)
        (subreg:TI (const_double:TD 0 [0x0] 2.0 [N/A]) 0)) -1 (nil)
    (nil))
cast.c:88: internal compiler error: in extract_insn, at recog.c:2119
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.


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           Summary: Many dfp testsuite failures for -msse targets
           Product: gcc
           Version: 4.3.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: ubizjak at gmail dot com
 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=32065

[Bug target/32065] Many dfp testsuite failures for -msse targets

[ubizjak at gmail dot com]

------- Comment #1 from ubizjak at gmail dot com  2007-05-24 09:05 -------
Rediced testcase (the constant is not important):

_Decimal128 test (void)
{
        return 1234123412341234.123412341234dl;
}

gcc -O2 -msse


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32065

[Bug target/32065] Many dfp testsuite failures for -msse targets

[ubizjak at gmail dot com]

------- Comment #2 from ubizjak at gmail dot com  2007-05-25 14:53 -------
Patch at http://gcc.gnu.org/ml/gcc-patches/2007-05/msg01716.html


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ubizjak at gmail dot com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                URL|                            |http://gcc.gnu.org/ml/gcc-
                   |                            |patches/2007-
                   |                            |05/msg01716.html
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|0                           |1
           Keywords|                            |ice-on-valid-code, patch
   Last reconfirmed|0000-00-00 00:00:00         |2007-05-25 14:53:07
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32065

[Bug target/32065] Many dfp testsuite failures for -msse targets

[uros at gcc dot gnu dot org]

------- Comment #3 from uros at gcc dot gnu dot org  2007-05-25 22:36 -------
Subject: Bug 32065

Author: uros
Date: Fri May 25 22:36:10 2007
New Revision: 125077

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=125077
Log:
        PR target/32065
        * target/i386/i386.c (ix86_expand_vector_move): Force SUBREGs of
        constants into memory.  Expand unaligned memory references for
        SSE modes via x86_expand_vector_move_misalign() function.

testsuite/ChangeLog:

        PR target/32065
        * gcc.target/i386/pr32065.c: New test.


Added:
    trunk/gcc/testsuite/gcc.target/i386/pr32065.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.c
    trunk/gcc/testsuite/ChangeLog


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32065

[Bug target/32065] Many dfp testsuite failures for -msse targets

[ubizjak at gmail dot com]

------- Comment #4 from ubizjak at gmail dot com  2007-05-25 22:39 -------
Fixed on mainline.


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ubizjak at gmail dot com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED
   Target Milestone|---                         |4.3.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32065

[Bug target/32065] Many dfp testsuite failures for -msse targets

[rob1weld at aol dot com]

------- Comment #5 from rob1weld at aol dot com  2007-05-26 05:28 -------
Is this related to 31741 ?


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32065

[Bug target/32065] Many dfp testsuite failures for -msse targets

[ubizjak at gmail dot com]

------- Comment #6 from ubizjak at gmail dot com  2007-05-26 09:06 -------
(In reply to comment #5)
> Is this related to 31741 ?

Yes. All dfp tests should pass now.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32065

[Bug target/32065] Many dfp testsuite failures for -msse targets

[uros at gcc dot gnu dot org]

------- Comment #7 from uros at gcc dot gnu dot org  2007-05-26 21:35 -------
Subject: Bug 32065

Author: uros
Date: Sat May 26 21:35:41 2007
New Revision: 125102

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=125102
Log:
        PR target/32065
        * config/i386/i386.md (movti): Handle push operands via
        ix86_expand_push().

testsuite/ChangeLog:

        PR target/32065
        * gcc.target/i386/pr32065-1.c: Rename from pr32065.c.  Add -std=gnu99
        to compile options.
        * gcc.target/i386/pr32065-2.c: New test.


Added:
    trunk/gcc/testsuite/gcc.target/i386/pr32065-1.c
      - copied, changed from r125096,
trunk/gcc/testsuite/gcc.target/i386/pr32065.c
    trunk/gcc/testsuite/gcc.target/i386/pr32065-2.c
Removed:
    trunk/gcc/testsuite/gcc.target/i386/pr32065.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.md
    trunk/gcc/testsuite/ChangeLog


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32065

[Bug target/32065] Many dfp testsuite failures for -msse targets

[hjl dot tools at gmail dot com]

------- Comment #8 from hjl dot tools at gmail dot com  2008-03-27 19:38 -------
The patch for PR 32000:

http://gcc.gnu.org/ml/gcc-patches/2008-03/msg01632.html

is another approach to handle unaligned SSE load/store.


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hjl dot tools at gmail dot com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |hjl dot tools at gmail dot
                   |                            |com


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32065