[Bug middle-end/46195] New: r165965 regresses i386 darwin

[Bug middle-end/46195] New: r165965 regresses i386 darwin

[howarth at nitro dot med.uc.edu]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46195

           Summary: r165965 regresses i386 darwin
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: howarth@nitro.med.uc.edu


The commit...

Author: hjl
Date: Tue Oct 26 13:56:42 2010
New Revision: 165965

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=165965
Log:
Properly align parameters on stack for x86.

gcc/

2010-10-26  H.J. Lu  <hongjiu.lu@intel.com>

    PR target/44948
    * config/i386/i386.c (ix86_old_function_arg_boundary): New.
    (ix86_function_arg_boundary): Always align parameters on stack
    in 64bit and align parameters with alignment >= 16byte on stack 
    in 32bit.  Warn alignment change.

gcc/testsuite/

2010-10-26  H.J. Lu  <hongjiu.lu@intel.com>

    PR target/44948
    * g++.dg/abi/param2.C: Add -Wno-psabi for ilp32 x86.
    * g++.dg/vect/pr33860a.cc: Likewise.
    * gcc.c-torture/compile/20070522-1.c: Likewise.
    * gcc.dg/compat/struct-align-1_x.c: Likewise.
    * gcc.dg/compat/struct-align-1_y.c: Likewise.
    * gcc.dg/compat/struct-align-2_x.c: Likewise.
    * gcc.dg/compat/struct-align-2_y.c: Likewise.
    * gcc.dg/pr44136.c: Likewise.

    * gcc.c-torture/compile/pr33617.c: Add -Wno-psabi for x86.
    * gcc.dg/compat/vector-1_x.c: Likewise.
    * gcc.dg/compat/vector-1_y.c: Likewise.
    * gcc.dg/compat/vector-2_x.c: Likewise.
    * gcc.dg/compat/vector-2_y.c: Likewise.
    * gcc.dg/pr43300.c: Likewise.

    * gcc.dg/compat/vector-1a_x.c: Add -Wno-psabi.
    * gcc.dg/compat/vector-1a_y.c: Likewise.
    * gcc.dg/compat/vector-1b_x.c: Likewise.
    * gcc.dg/compat/vector-1b_y.c: Likewise.
    * gcc.dg/compat/vector-2a_x.c: Likewise.
    * gcc.dg/compat/vector-2a_y.c: Likewise.
    * gcc.dg/compat/vector-2b_x.c: Likewise.
    * gcc.dg/compat/vector-2b_y.c: Likewise.
    * gcc.target/i386/pr39162.c: Likewise.
    * gcc.target/i386/pr40906-2.c: Likewise.
    * gcc.target/i386/sse-5.c: Likewise.

    * gcc.dg/pr35442.c: Prune ABI change warnings.

    * gcc.c-torture/execute/pr38151.x: New.
    * gcc.target/i386/pr44948-1a.c: Likewise.
    * gcc.target/i386/pr44948-1b.c: Likewise.
    * gcc.target/i386/pr44948-2a.c: Likewise.
    * gcc.target/i386/pr44948-2b.c: Likewise.

causes many regressions on x86_64-apple-darwin10 at -m32. These include...

gcc.c-torture/compile/20000818-1.c
gcc.c-torture/compile/20001212-1.c
gcc.c-torture/compile/20031208-1.c
gcc.c-torture/compile/20040709-1.c 
gcc.c-torture/compile/20041026-1.c
gcc.c-torture/compile/20080628-1.c
gcc.c-torture/compile/941019-1.c
gcc.c-torture/compile/pr19357.c
gcc.c-torture/compile/pr33855.c 
gcc.c-torture/compile/pr36125.c

at all optimization levels for excessive errors and 

gcc.c-torture/execute/builtins/complex-1.c
gcc.c-torture/execute/20010605-2.c
gcc.c-torture/execute/20020413-1.c
gcc.c-torture/execute/20030914-1.c
gcc.c-torture/execute/20040709-1.c
gcc.c-torture/execute/20080502-1.c

for compilation, etc. The failures are all of the form...

Executing on host: /sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/gcc/xgcc
-B/sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/gcc/   -O0  -w -c  -m32 -o
20000818-1.o
/sw/src/fink.build/gcc46-4.6.0-1000/gcc-4.6-20101026/gcc/testsuite/gcc.c-torture/compile/20000818-1.c
   (timeout = 300)
/sw/src/fink.build/gcc46-4.6.0-1000/gcc-4.6-20101026/gcc/testsuite/gcc.c-torture/compile/20000818-1.c:
In function 'foo':
/sw/src/fink.build/gcc46-4.6.0-1000/gcc-4.6-20101026/gcc/testsuite/gcc.c-torture/compile/20000818-1.c:2:1:
note: The ABI of passing parameter with 16byte alignment has changed in GCC 4.6

[Bug middle-end/46195] r165965 regresses i386 darwin

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46195

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |UNCONFIRMED
   Last reconfirmed|2010-10-27 01:42:17         |
     Ever Confirmed|1                           |0

--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> 2010-10-27 01:43:37 UTC ---
It has something to do with how long double is aligned
on 32bit Darwin. I will take a look after gcc summit.

[Bug middle-end/46195] r165965 regresses i386 darwin

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46195

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2010.10.27 01:42:17
     Ever Confirmed|0                           |1

--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> 2010-10-27 01:42:17 UTC ---
It has something to do with how long double is aligned
on 32bit Darwin. I will take a look after gcc summit.

[Bug middle-end/46195] r165965 regresses i386 darwin

[howarth at nitro dot med.uc.edu]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46195

--- Comment #4 from Jack Howarth <howarth at nitro dot med.uc.edu> 2010-10-27 03:20:34 UTC ---
Created attachment 22169
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22169
assembly for gcc.c-torture/compile/20001212-1.c  -O0 -m32 at r165965

[Bug middle-end/46195] r165965 regresses i386 darwin

[howarth at nitro dot med.uc.edu]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46195

--- Comment #3 from Jack Howarth <howarth at nitro dot med.uc.edu> 2010-10-27 03:19:54 UTC ---
Created attachment 22168
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22168
assembly for gcc.c-torture/compile/20001212-1.c  -O0 -m32 at r165964

Generated with /Users/howarth/darwin_objdir/gcc/xgcc
-B/Users/howarth/darwin_objdir/gcc/ -O0 -w -c -m32 --save-temps -o 20001212-1.o
/Users/howarth/gcc/gcc/testsuite/gcc.c-torture/compile/20001212-1.c at r165964.

[Bug middle-end/46195] r165965 regresses i386 darwin

[howarth at nitro dot med.uc.edu]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46195

--- Comment #5 from Jack Howarth <howarth at nitro dot med.uc.edu> 2010-10-27 03:22:07 UTC ---
The diff between the assembly of gcc.c-torture/compile/20001212-1.c  -O0 at
-m32 generated by r165964 and r165965 is...


--- 20001212-1.s.r165964    2010-10-26 23:16:07.000000000 -0400
+++ 20001212-1.s.r165965    2010-10-26 23:15:58.000000000 -0400
@@ -6,26 +6,10 @@
 LCFI0:
     movl    %esp, %ebp
 LCFI1:
-    subl    $56, %esp
+    subl    $24, %esp
 LCFI2:
-    movl    8(%ebp), %eax
-    movl    %eax, -40(%ebp)
-    movl    12(%ebp), %eax
-    movl    %eax, -36(%ebp)
-    movl    16(%ebp), %eax
-    movl    %eax, -32(%ebp)
-    movl    20(%ebp), %eax
-    movl    %eax, -28(%ebp)
-    movl    24(%ebp), %eax
-    movl    %eax, -56(%ebp)
-    movl    28(%ebp), %eax
-    movl    %eax, -52(%ebp)
-    movl    32(%ebp), %eax
-    movl    %eax, -48(%ebp)
-    movl    36(%ebp), %eax
-    movl    %eax, -44(%ebp)
-    fldt    -40(%ebp)
-    fldt    -56(%ebp)
+    fldt    8(%ebp)
+    fldt    24(%ebp)
     faddp    %st, %st(1)
     fstpt    -24(%ebp)
     fldz

[Bug middle-end/46195] r165965 regresses i386 darwin

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46195

--- Comment #6 from H.J. Lu <hjl.tools at gmail dot com> 2010-10-27 10:51:06 UTC ---
Created attachment 22173
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22173
A patch

Please try this patch.

[Bug target/46195] r165965 regresses i386 darwin

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46195

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|middle-end                  |target
   Target Milestone|---                         |4.6.0

[Bug target/46195] r165965 regresses i386 darwin

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46195

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #22173|0                           |1
        is obsolete|                            |
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2010.10.27 11:26:53
         AssignedTo|unassigned at gcc dot       |hjl.tools at gmail dot com
                   |gnu.org                     |
     Ever Confirmed|0                           |1

--- Comment #7 from H.J. Lu <hjl.tools at gmail dot com> 2010-10-27 11:26:53 UTC ---
Created attachment 22174
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22174
An updated patch

Please try this one.

[Bug target/46195] r165965 regresses i386 darwin

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46195

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |UNCONFIRMED
     Ever Confirmed|1                           |0

[Bug target/46195] r165965 regresses i386 darwin

[howarth at nitro dot med.uc.edu]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46195

--- Comment #8 from Jack Howarth <howarth at nitro dot med.uc.edu> 2010-10-27 13:22:42 UTC ---
(In reply to comment #7)
> Created attachment 22174 [details]
> An updated patch
> 
> Please try this one.

A quick manual test of only those test cases listed in the original report
shows they are all fixed by this patch except for
gcc.c-torture/execute/20040709-1.c which still fails at all optimizations.
These failures are of the form...

Executing on host: /Users/howarth/darwin_objdir/gcc/xgcc
-B/Users/howarth/darwin_objdir/gcc/
/Users/howarth/gcc/gcc/testsuite/gcc.c-torture/execute/20040709-1.c  -w  -O0  
-lm   -m32 -o /Users/howarth/darwin_objdir/gcc/testsuite/gcc/20040709-1.x0   
(timeout = 300)
/Users/howarth/gcc/gcc/testsuite/gcc.c-torture/execute/20040709-1.c: In
function ‘retmeW’:
/Users/howarth/gcc/gcc/testsuite/gcc.c-torture/execute/20040709-1.c:112:1:
note: The ABI of passing parameter with 16byte alignment has changed in GCC 4.6

[Bug target/46195] r165965 regresses i386 darwin

[howarth at nitro dot med.uc.edu]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46195

--- Comment #9 from Jack Howarth <howarth at nitro dot med.uc.edu> 2010-10-27 13:31:18 UTC ---
Created attachment 22175
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22175
assembly file for gcc.c-torture/execute/20040709-1.c -O0 at -m32 using r165964

[Bug target/46195] r165965 regresses i386 darwin

[howarth at nitro dot med.uc.edu]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46195

--- Comment #10 from Jack Howarth <howarth at nitro dot med.uc.edu> 2010-10-27 13:32:44 UTC ---
Created attachment 22176
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22176
assembly file for gcc.c-torture/execute/20040709-1.c -O0 at -m32 using r165965
with patch 22174

[Bug target/46195] r165965 regresses i386 darwin

[howarth at nitro dot med.uc.edu]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46195

--- Comment #11 from Jack Howarth <howarth at nitro dot med.uc.edu> 2010-10-27 13:35:26 UTC ---
Created attachment 22177
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22177
diff between assembly for gcc.c-torture/execute/20040709-1.c at -m32 using
r165964 vs r165965+22174

[Bug target/46195] r165965 regresses i386 darwin

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46195

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #22174|0                           |1
        is obsolete|                            |

--- Comment #12 from H.J. Lu <hjl.tools at gmail dot com> 2010-10-27 15:23:35 UTC ---
Created attachment 22178
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22178
A new patch

Please try this one.

[Bug target/46195] r165965 regresses i386 darwin

[howarth at nitro dot med.uc.edu]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46195

--- Comment #13 from Jack Howarth <howarth at nitro dot med.uc.edu> 2010-10-27 16:17:54 UTC ---
(In reply to comment #12)
> Created attachment 22178 [details]
> A new patch
> 
> Please try this one.

This new patch eliminates the failures in gcc.c-torture/execute/20040709-1.c.
Full regression test underway.

[Bug target/46195] r165965 regresses i386 darwin

[howarth at nitro dot med.uc.edu]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46195

--- Comment #14 from Jack Howarth <howarth at nitro dot med.uc.edu> 2010-10-27 19:04:25 UTC ---
Latest patch still leaves the regressions...

FAIL: gcc.dg/compat/struct-by-value-18 c_compat_x_tst.o compile
FAIL: gcc.dg/compat/struct-by-value-18 c_compat_y_tst.o compile
FAIL: gcc.dg/compat/struct-by-value-18a c_compat_x_tst.o compile
FAIL: gcc.dg/compat/struct-by-value-18a c_compat_y_tst.o compile

These failures are of the form...

Executing on host: /Users/howarth/darwin_objdir/gcc/xgcc
-B/Users/howarth/darwin_objdir/gcc/   -DSKIP_DECIMAL_FLOAT -c  -m32 -o
c_compat_x_tst.o
/Users/howarth/gcc/gcc/testsuite/gcc.dg/compat//struct-by-value-18_x.c   
(timeout = 300)
/Users/howarth/gcc/gcc/testsuite/gcc.dg/compat//struct-by-value-18_x.c: In
function 'checkScld2':
/Users/howarth/gcc/gcc/testsuite/gcc.dg/compat//struct-by-value-18_x.c:9:1:
note: The ABI of passing parameter with 16byte alignment has changed in GCC 4.6
output is:
/Users/howarth/gcc/gcc/testsuite/gcc.dg/compat//struct-by-value-18_x.c: In
function 'checkScld2':
/Users/howarth/gcc/gcc/testsuite/gcc.dg/compat//struct-by-value-18_x.c:9:1:
note: The ABI of passing parameter with 16byte alignment has changed in GCC 4.6

FAIL: gcc.dg/compat/struct-by-value-18 c_compat_x_tst.o compile

[Bug target/46195] r165965 regresses i386 darwin

[howarth at nitro dot med.uc.edu]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46195

--- Comment #15 from Jack Howarth <howarth at nitro dot med.uc.edu> 2010-10-27 22:34:46 UTC ---
Created attachment 22183
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22183
assembly for gcc.dg/compat/struct-by-value-18_x.c at -m32 using r165964

Created with...

/Users/howarth/darwin_objdir/gcc/xgcc -B/Users/howarth/darwin_objdir/gcc/
-DSKIP_DECIMAL_FLOAT -c -m32 --save-temps -o c_compat_x_tst.o
/Users/howarth/gcc/gcc/testsuite/gcc.dg/compat/struct-by-value-18_x.c

[Bug target/46195] r165965 regresses i386 darwin

[howarth at nitro dot med.uc.edu]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46195

--- Comment #16 from Jack Howarth <howarth at nitro dot med.uc.edu> 2010-10-27 22:36:12 UTC ---
Created attachment 22184
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22184
assembly for gcc.dg/compat/struct-by-value-18_x.c at -m32 using r165965 and
patch 22178

[Bug target/46195] r165965 regresses i386 darwin

[howarth at nitro dot med.uc.edu]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46195

--- Comment #17 from Jack Howarth <howarth at nitro dot med.uc.edu> 2010-10-27 22:37:36 UTC ---
Created attachment 22185
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22185
diff between assembly for gcc.dg/compat/struct-by-value-18_x.c at -m32 using
r165964 and r165965/patch 22178

[Bug target/46195] r165965 regresses i386 darwin

[howarth at nitro dot med.uc.edu]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46195

--- Comment #18 from Jack Howarth <howarth at nitro dot med.uc.edu> 2010-10-28 00:43:00 UTC ---
Full regression results for patch in comment 12...

http://gcc.gnu.org/ml/gcc-testresults/2010-10/msg02196.html

show that the four failures in comment 14 are the only remaining regressions
from r165965 on x86_64-apple-darwin10.

[Bug target/46195] r165965 regresses i386 darwin

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46195

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |WAITING
   Last reconfirmed|2010-10-27 11:26:53         |2010.10.28 05:46:35
     Ever Confirmed|0                           |1

--- Comment #19 from H.J. Lu <hjl.tools at gmail dot com> 2010-10-28 05:46:35 UTC ---
(In reply to comment #14)
> Latest patch still leaves the regressions...
> 
> FAIL: gcc.dg/compat/struct-by-value-18 c_compat_x_tst.o compile
> FAIL: gcc.dg/compat/struct-by-value-18 c_compat_y_tst.o compile
> FAIL: gcc.dg/compat/struct-by-value-18a c_compat_x_tst.o compile
> FAIL: gcc.dg/compat/struct-by-value-18a c_compat_y_tst.o compile
> 

Please provide preprocessed file which triggers the warning.

[Bug target/46195] r165965 regresses i386 darwin

[howarth at nitro dot med.uc.edu]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46195

--- Comment #20 from Jack Howarth <howarth at nitro dot med.uc.edu> 2010-10-28 13:10:34 UTC ---
Created attachment 22189
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22189
preprocessed source file for gcc.dg/compat/struct-by-value-18_x.c at -m32

Created with...

/Users/howarth/darwin_objdir/gcc/xgcc -B/Users/howarth/darwin_objdir/gcc/
-DSKIP_DECIMAL_FLOAT -c -m32 --save-temps -o c_compat_x_tst.o
/Users/howarth/gcc/gcc/testsuite/gcc.dg/compat/struct-by-value-18_x.c
/Users/howarth/gcc/gcc/testsuite/gcc.dg/compat/struct-by-value-18_x.c: In
function ‘checkScld2’:
/Users/howarth/gcc/gcc/testsuite/gcc.dg/compat/struct-by-value-18_x.c:9:84:
note: The ABI of passing parameter with 16byte alignment has changed in GCC 4.6

[Bug target/46195] r165965 regresses i386 darwin

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46195

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|WAITING                     |ASSIGNED
                URL|                            |http://gcc.gnu.org/ml/gcc-p
                   |                            |atches/2010-10/msg02414.htm
                   |                            |l

--- Comment #21 from H.J. Lu <hjl.tools at gmail dot com> 2010-10-28 17:34:03 UTC ---
A patch is posted at

http://gcc.gnu.org/ml/gcc-patches/2010-10/msg02414.html

[Bug target/46195] r165965 regresses i386 darwin

[howarth at nitro dot med.uc.edu]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46195

--- Comment #22 from Jack Howarth <howarth at nitro dot med.uc.edu> 2010-10-28 18:12:20 UTC ---
(In reply to comment #21)
> A patch is posted at
> 
> http://gcc.gnu.org/ml/gcc-patches/2010-10/msg02414.html

The gcc.dg/compat/struct-by-value-18 and gcc.dg/compat/struct-by-value-18a
testcases no longer regress under this new patch. Full regression test
underway.

[Bug target/46195] r165965 regresses i386 darwin

[hjl at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46195

--- Comment #23 from hjl at gcc dot gnu.org <hjl at gcc dot gnu.org> 2010-10-30 13:17:20 UTC ---
Author: hjl
Date: Sat Oct 30 13:17:15 2010
New Revision: 166088

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=166088
Log:
Align long double parameters on stack to 4byte in 32bit.

2010-10-30  H.J. Lu  <hongjiu.lu@intel.com>

    PR target/46195
    * config/i386/i386.c (contains_aligned_value_p): Renamed to ...
    (ix86_compat_aligned_value_p): This.
    (ix86_old_function_arg_boundary): Renamed to ...
    (ix86_compat_function_arg_boundary): This.  Updated.
    (ix86_contains_aligned_value_p): New.
    (ix86_function_arg_boundary): Align long double parameters on
    stack to 4byte in 32bit.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.c

[Bug target/46195] r165965 regresses i386 darwin

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46195

H.J. Lu <hjl.tools at gmail dot com> changed:

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

--- Comment #24 from H.J. Lu <hjl.tools at gmail dot com> 2010-10-30 13:26:17 UTC ---
Fixed.

[Bug target/46195] r165965 regresses i386 darwin

[davek at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46195

Dave Korn <davek at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |davek at gcc dot gnu.org

--- Comment #25 from Dave Korn <davek at gcc dot gnu.org> 2010-11-02 05:30:01 UTC ---

  Hi HJ, I'm getting a ton of failures caused by this same warning message at
r166110 on i686-pc-cygwin:

FAIL: gcc.dg/tree-ssa/forwprop-5.c (test for excess errors)
FAIL: gcc.dg/tree-ssa/fre-vce-1.c (test for excess errors)
FAIL: gcc.dg/tree-ssa/sra-4.c (test for excess errors)
FAIL: gcc.dg/tree-ssa/vector-1.c (test for excess errors)
FAIL: gcc.dg/tree-ssa/vector-2.c (test for excess errors)
FAIL: gcc.c-torture/execute/va-arg-25.c compilation,  -O0
FAIL: gcc.c-torture/execute/va-arg-25.c compilation,  -O1
FAIL: gcc.c-torture/execute/va-arg-25.c compilation,  -O2
FAIL: gcc.c-torture/execute/va-arg-25.c compilation,  -O3 -fomit-frame-pointer
FAIL: gcc.c-torture/execute/va-arg-25.c compilation,  -O3 -g
FAIL: gcc.c-torture/execute/va-arg-25.c compilation,  -Os
FAIL: gcc.c-torture/execute/va-arg-25.c compilation,  -O2 -flto
FAIL: gcc.c-torture/execute/va-arg-25.c compilation,  -O2 -fwhopr
FAIL: gcc.c-torture/execute/vector-1.c compilation,  -O0
FAIL: gcc.c-torture/execute/vector-1.c compilation,  -O1
FAIL: gcc.c-torture/execute/vector-1.c compilation,  -O2
FAIL: gcc.c-torture/execute/vector-1.c compilation,  -O3 -fomit-frame-pointer
FAIL: gcc.c-torture/execute/vector-1.c compilation,  -O3 -g
FAIL: gcc.c-torture/execute/vector-1.c compilation,  -Os
FAIL: gcc.c-torture/execute/vector-1.c compilation,  -O2 -flto
FAIL: gcc.c-torture/execute/vector-1.c compilation,  -O2 -fwhopr
FAIL: gcc.c-torture/execute/vector-2.c compilation,  -O0
FAIL: gcc.c-torture/execute/vector-2.c compilation,  -O1
FAIL: gcc.c-torture/execute/vector-2.c compilation,  -O2
FAIL: gcc.c-torture/execute/vector-2.c compilation,  -O3 -fomit-frame-pointer
FAIL: gcc.c-torture/execute/vector-2.c compilation,  -O3 -g
FAIL: gcc.c-torture/execute/vector-2.c compilation,  -Os
FAIL: gcc.c-torture/execute/vector-2.c compilation,  -O2 -flto
FAIL: gcc.c-torture/execute/vector-2.c compilation,  -O2 -fwhopr
FAIL: gcc.c-torture/compile/pr34856.c (test for excess errors)
FAIL: gcc.c-torture/compile/pr34856.c (test for excess errors)
FAIL: gcc.c-torture/compile/pr34856.c (test for excess errors)
FAIL: gcc.c-torture/compile/pr34856.c (test for excess errors)
FAIL: gcc.c-torture/compile/pr34856.c (test for excess errors)
FAIL: gcc.c-torture/compile/pr34856.c (test for excess errors)
FAIL: gcc.c-torture/compile/pr34856.c (test for excess errors)
FAIL: gcc.c-torture/compile/pr34856.c (test for excess errors)
FAIL: gcc.c-torture/compile/pr34856.c (test for excess errors)
FAIL: gcc.c-torture/compile/pr34856.c (test for excess errors)
FAIL: gcc.c-torture/compile/pr39928-1.c (test for excess errors)
FAIL: gcc.c-torture/compile/pr39928-1.c (test for excess errors)
FAIL: gcc.c-torture/compile/pr39928-1.c (test for excess errors)
FAIL: gcc.c-torture/compile/pr39928-1.c (test for excess errors)
FAIL: gcc.c-torture/compile/pr39928-1.c (test for excess errors)
FAIL: gcc.c-torture/compile/pr39928-1.c (test for excess errors)
FAIL: gcc.c-torture/compile/pr39928-1.c (test for excess errors)
FAIL: gcc.c-torture/compile/pr39928-1.c (test for excess errors)
FAIL: gcc.c-torture/compile/vector-1.c (test for excess errors)
FAIL: gcc.c-torture/compile/vector-1.c (test for excess errors)
FAIL: gcc.c-torture/compile/vector-1.c (test for excess errors)
FAIL: gcc.c-torture/compile/vector-1.c (test for excess errors)
FAIL: gcc.c-torture/compile/vector-1.c (test for excess errors)
FAIL: gcc.c-torture/compile/vector-1.c (test for excess errors)
FAIL: gcc.c-torture/compile/vector-1.c (test for excess errors)
FAIL: gcc.c-torture/compile/vector-1.c (test for excess errors)
FAIL: gcc.c-torture/compile/vector-2.c (test for excess errors)
FAIL: gcc.c-torture/compile/vector-2.c (test for excess errors)
FAIL: gcc.c-torture/compile/vector-2.c (test for excess errors)
FAIL: gcc.c-torture/compile/vector-2.c (test for excess errors)
FAIL: gcc.c-torture/compile/vector-2.c (test for excess errors)
FAIL: gcc.c-torture/compile/vector-2.c (test for excess errors)
FAIL: gcc.c-torture/compile/vector-2.c (test for excess errors)
FAIL: gcc.c-torture/compile/vector-2.c (test for excess errors)
FAIL: gcc.dg/pr32912-1.c (test for excess errors)
FAIL: gcc.target/i386/vect-args.c (test for excess errors)
FAIL: gcc.target/i386/vect-args.c (test for excess errors)
FAIL: gcc.target/i386/vect-args.c (test for excess errors)
FAIL: gcc.target/i386/vect-args.c (test for excess errors)
FAIL: gcc.target/i386/vect-args.c (test for excess errors)
FAIL: gcc.target/i386/vect-args.c (test for excess errors)
FAIL: gcc.target/i386/vect-args.c (test for excess errors)
FAIL: gcc.target/i386/vect-args.c (test for excess errors)

Should I reopen this bug or file a new one?

[Bug target/46195] r165965 regresses i386 darwin

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46195

--- Comment #26 from H.J. Lu <hjl.tools at gmail dot com> 2010-11-02 12:04:27 UTC ---
(In reply to comment #25)
>   Hi HJ, I'm getting a ton of failures caused by this same warning message at
> r166110 on i686-pc-cygwin:
> 
> Should I reopen this bug or file a new one?

Please open a new bug report with preprocessed testcases if
needed.

[Bug target/46195] r165965 regresses i386 darwin

[ebotcazou at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46195

Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |ebotcazou at gcc dot
                   |                            |gnu.org

--- Comment #27 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2010-11-03 10:47:37 UTC ---
>   Hi HJ, I'm getting a ton of failures caused by this same warning message at
> r166110 on i686-pc-cygwin:

Same on i586-suse-linux.

[Bug target/46195] r165965 regresses i386 darwin

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46195

--- Comment #28 from H.J. Lu <hjl.tools at gmail dot com> 2010-11-03 12:10:12 UTC ---
(In reply to comment #27)
> >   Hi HJ, I'm getting a ton of failures caused by this same warning message at
> > r166110 on i686-pc-cygwin:
> 
> Same on i586-suse-linux.

See PR 46280.