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* [Bug middle-end/56443] New: internal compiler error: verify_gimple failed at -O[1-2] -ftree-vectorize
@ 2013-02-25 12:18 silver24k at gmail dot com
  2013-02-25 12:46 ` [Bug middle-end/56443] [4.8 Regression] " jakub at gcc dot gnu.org
                   ` (4 more replies)
  0 siblings, 5 replies; 6+ messages in thread
From: silver24k at gmail dot com @ 2013-02-25 12:18 UTC (permalink / raw)
  To: gcc-bugs


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56443

             Bug #: 56443
           Summary: internal compiler error: verify_gimple failed at
                    -O[1-2] -ftree-vectorize
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: silver24k@gmail.com


The following codes ICE at -O[1-2] -ftree-vectorize

typedef int myint __attribute__ ((__aligned__(16)));

int a1[1024] __attribute__((__aligned__(16)));  
int a2[1024] __attribute__((__aligned__(16)));  

void test (int n, myint * __restrict__ p1, myint * __restrict__ p2) {
  while (n--)
    *p1++ = *p2++ + 1;
}

int main (void) {
  test (1024, a1, a2);

  return 0;
}

MBP:~me$ g++-mp-4.8 -c -Wall -O1 -ftree-vectorize ice.cpp  
ice.cpp: In function 'void test(int, myint*, myint*)':
ice.cpp:6:6: error: type mismatch in binary expression
 void test (int n, myint * __restrict__ p1, myint * __restrict__ p2) {
      ^
vector(4) unsigned int

vector(4) unsigned int

vector(4) int

vect_var_.18_58 = vect_var_.17_56 + vect_cst_.19_57;

ice.cpp:6:6: internal compiler error: verify_gimple failed

ice.cpp:6:6: internal compiler error: Abort trap: 6
g++-mp-4.8: internal compiler error: Abort trap: 6 (program cc1plus)
Abort trap: 6


MBP:~me$ g++-mp-4.8 -v
Using built-in specs.
COLLECT_GCC=g++-mp-4.8
COLLECT_LTO_WRAPPER=/opt/local/libexec/gcc/x86_64-apple-darwin12/4.8.0/lto-wrapper
Target: x86_64-apple-darwin12
Configured with: ../gcc-4.8-20130217/configure --prefix=/opt/local
--build=x86_64-apple-darwin12
--enable-languages=c,c++,objc,obj-c++,fortran,java
--libdir=/opt/local/lib/gcc48 --includedir=/opt/local/include/gcc48
--infodir=/opt/local/share/info --mandir=/opt/local/share/man
--datarootdir=/opt/local/share/gcc-4.8 --with-local-prefix=/opt/local
--with-system-zlib --disable-nls --program-suffix=-mp-4.8
--with-gxx-include-dir=/opt/local/include/gcc48/c++/ --with-gmp=/opt/local
--with-mpfr=/opt/local --with-mpc=/opt/local --with-ppl=/opt/local
--with-cloog=/opt/local --enable-cloog-backend=isl
--disable-cloog-version-check --enable-stage1-checking --disable-multilib
--enable-lto --enable-libstdcxx-time --with-as=/opt/local/bin/as
--with-ld=/opt/local/bin/ld --with-ar=/opt/local/bin/ar
--with-bugurl=https://trac.macports.org/newticket --with-pkgversion='MacPorts
gcc48 4.8-20130217_0'
Thread model: posix
gcc version 4.8.0 20130217 (experimental) (MacPorts gcc48 4.8-20130217_0)


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug middle-end/56443] [4.8 Regression] internal compiler error: verify_gimple failed at -O[1-2] -ftree-vectorize
  2013-02-25 12:18 [Bug middle-end/56443] New: internal compiler error: verify_gimple failed at -O[1-2] -ftree-vectorize silver24k at gmail dot com
@ 2013-02-25 12:46 ` jakub at gcc dot gnu.org
  2013-02-25 13:11 ` jakub at gcc dot gnu.org
                   ` (3 subsequent siblings)
  4 siblings, 0 replies; 6+ messages in thread
From: jakub at gcc dot gnu.org @ 2013-02-25 12:46 UTC (permalink / raw)
  To: gcc-bugs


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56443

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2013-02-25
                 CC|                            |jakub at gcc dot gnu.org
         AssignedTo|unassigned at gcc dot       |jakub at gcc dot gnu.org
                   |gnu.org                     |
   Target Milestone|---                         |4.8.0
            Summary|internal compiler error:    |[4.8 Regression] internal
                   |verify_gimple failed at     |compiler error:
                   |-O[1-2] -ftree-vectorize    |verify_gimple failed at
                   |                            |-O[1-2] -ftree-vectorize
     Ever Confirmed|0                           |1

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-02-25 12:46:04 UTC ---
Started with http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=192390


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug middle-end/56443] [4.8 Regression] internal compiler error: verify_gimple failed at -O[1-2] -ftree-vectorize
  2013-02-25 12:18 [Bug middle-end/56443] New: internal compiler error: verify_gimple failed at -O[1-2] -ftree-vectorize silver24k at gmail dot com
  2013-02-25 12:46 ` [Bug middle-end/56443] [4.8 Regression] " jakub at gcc dot gnu.org
@ 2013-02-25 13:11 ` jakub at gcc dot gnu.org
  2013-02-26  9:59 ` jakub at gcc dot gnu.org
                   ` (2 subsequent siblings)
  4 siblings, 0 replies; 6+ messages in thread
From: jakub at gcc dot gnu.org @ 2013-02-25 13:11 UTC (permalink / raw)
  To: gcc-bugs


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56443

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-02-25 13:11:08 UTC ---
Created attachment 29535
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29535
gcc48-pr56443.patch

Untested fix.  Going forward, you want to avoid using the overaligned types for
these purposes, better use __builtin_assume_aligned.


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug middle-end/56443] [4.8 Regression] internal compiler error: verify_gimple failed at -O[1-2] -ftree-vectorize
  2013-02-25 12:18 [Bug middle-end/56443] New: internal compiler error: verify_gimple failed at -O[1-2] -ftree-vectorize silver24k at gmail dot com
  2013-02-25 12:46 ` [Bug middle-end/56443] [4.8 Regression] " jakub at gcc dot gnu.org
  2013-02-25 13:11 ` jakub at gcc dot gnu.org
@ 2013-02-26  9:59 ` jakub at gcc dot gnu.org
  2013-02-26 10:30 ` jakub at gcc dot gnu.org
  2013-02-26 10:33 ` jakub at gcc dot gnu.org
  4 siblings, 0 replies; 6+ messages in thread
From: jakub at gcc dot gnu.org @ 2013-02-26  9:59 UTC (permalink / raw)
  To: gcc-bugs


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56443

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-02-26 09:59:17 UTC ---
Author: jakub
Date: Tue Feb 26 09:59:12 2013
New Revision: 196277

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=196277
Log:
    PR tree-optimization/56443
    * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): For
    overaligned types, pass TYPE_UNSIGNED (scalar_type) as second argument
    to type_for_mode langhook.

    * gcc.dg/torture/pr56443.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr56443.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-stmts.c


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug middle-end/56443] [4.8 Regression] internal compiler error: verify_gimple failed at -O[1-2] -ftree-vectorize
  2013-02-25 12:18 [Bug middle-end/56443] New: internal compiler error: verify_gimple failed at -O[1-2] -ftree-vectorize silver24k at gmail dot com
                   ` (2 preceding siblings ...)
  2013-02-26  9:59 ` jakub at gcc dot gnu.org
@ 2013-02-26 10:30 ` jakub at gcc dot gnu.org
  2013-02-26 10:33 ` jakub at gcc dot gnu.org
  4 siblings, 0 replies; 6+ messages in thread
From: jakub at gcc dot gnu.org @ 2013-02-26 10:30 UTC (permalink / raw)
  To: gcc-bugs


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56443

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-02-26 10:29:58 UTC ---
Author: jakub
Date: Tue Feb 26 10:29:47 2013
New Revision: 196279

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=196279
Log:
    PR tree-optimization/56443
    * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): For
    overaligned types, pass TYPE_UNSIGNED (scalar_type) as second argument
    to type_for_mode langhook.

    * gcc.dg/torture/pr56443.c: New test.

Added:
    branches/gcc-4_7-branch/gcc/testsuite/gcc.dg/torture/pr56443.c
Modified:
    branches/gcc-4_7-branch/gcc/ChangeLog
    branches/gcc-4_7-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_7-branch/gcc/tree-vect-stmts.c


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug middle-end/56443] [4.8 Regression] internal compiler error: verify_gimple failed at -O[1-2] -ftree-vectorize
  2013-02-25 12:18 [Bug middle-end/56443] New: internal compiler error: verify_gimple failed at -O[1-2] -ftree-vectorize silver24k at gmail dot com
                   ` (3 preceding siblings ...)
  2013-02-26 10:30 ` jakub at gcc dot gnu.org
@ 2013-02-26 10:33 ` jakub at gcc dot gnu.org
  4 siblings, 0 replies; 6+ messages in thread
From: jakub at gcc dot gnu.org @ 2013-02-26 10:33 UTC (permalink / raw)
  To: gcc-bugs


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56443

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

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

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-02-26 10:31:47 UTC ---
Fixed.


^ permalink raw reply	[flat|nested] 6+ messages in thread

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2013-02-25 12:18 [Bug middle-end/56443] New: internal compiler error: verify_gimple failed at -O[1-2] -ftree-vectorize silver24k at gmail dot com
2013-02-25 12:46 ` [Bug middle-end/56443] [4.8 Regression] " jakub at gcc dot gnu.org
2013-02-25 13:11 ` jakub at gcc dot gnu.org
2013-02-26  9:59 ` jakub at gcc dot gnu.org
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