[Bug middle-end/48413] New: [4.7 Regression] 403.gcc in SPEC CPU 2006 failed to build

[Bug middle-end/48413] New: [4.7 Regression] 403.gcc in SPEC CPU 2006 failed to build

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48413

           Summary: [4.7 Regression] 403.gcc in SPEC CPU 2006 failed to
                    build
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: hjl.tools@gmail.com


On Linux/ia32, revision 171780 gave

gcc -m32 -c -o reg-stack.o -DSPEC_CPU -DNDEBUG -I.  -O3 -funroll-loops -msse2
-mfpmath=sse -ffast-math                 reg-stack.c
bad allocation for 1452 and 1451
reg-stack.c: In function 'subst_stack_regs_pat':
reg-stack.c:1854:1: internal compiler error: in check_allocation, at ira.c:2094
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
specmake[3]: *** [reg-stack.o] Error 1

[Bug middle-end/48413] [4.7 Regression] 403.gcc in SPEC CPU 2006 failed to build

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48413

--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> 2011-04-02 13:16:00 UTC ---
Created attachment 23851
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23851
A testcase

[hjl@gnu-34 rrs]$ ./171649/usr/bin/gcc -w -m32 -O3 -funroll-loops -msse2
-mfpmath=sse -ffast-math pr48413.c -S
bad allocation for 1447 and 1446
pr48413.c: In function ‘subst_stack_regs_pat’:
pr48413.c:899:2: internal compiler error: in check_allocation, at ira.c:2094
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
[hjl@gnu-34 rrs]$

[Bug middle-end/48413] [4.7 Regression] 403.gcc in SPEC CPU 2006 failed to build

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48413

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |vmakarov at redhat dot com
   Target Milestone|---                         |4.7.0

--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> 2011-04-02 13:17:56 UTC ---
It is caused by revision 171649:

http://gcc.gnu.org/ml/gcc-cvs/2011-03/msg01074.html

[Bug middle-end/48413] [4.7 Regression] 403.gcc in SPEC CPU 2006 failed to build

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48413

--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> 2011-04-02 13:30:24 UTC ---
This seems to be fixed. I will verify it after bootstrap is fixed.

[Bug middle-end/48413] [4.7 Regression] 403.gcc in SPEC CPU 2006 failed to build

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48413

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

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

--- Comment #4 from H.J. Lu <hjl.tools at gmail dot com> 2011-04-12 16:13:47 UTC ---
Fixed as of 172238:

http://gcc.gnu.org/ml/gcc-testresults/2011-04/msg00958.html