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* [Bug tree-optimization/47967] New: [4.6 Regression] ICE: verify_stmts failed: conversion of register to a different size with -fipa-cp on undefined code
@ 2011-03-03 12:53 zsojka at seznam dot cz
  2011-03-03 13:10 ` [Bug tree-optimization/47967] " rguenth at gcc dot gnu.org
                   ` (4 more replies)
  0 siblings, 5 replies; 6+ messages in thread
From: zsojka at seznam dot cz @ 2011-03-03 12:53 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47967

           Summary: [4.6 Regression] ICE: verify_stmts failed: conversion
                    of register to a different size with -fipa-cp on
                    undefined code
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: zsojka@seznam.cz
              Host: x86_64-pc-linux-gnu
            Target: x86_64-pc-linux-gnu


Created attachment 23526
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23526
reduced testcase

$ gcc testcase.c -O -fipa-cp
testcase.c: In function 'bar.constprop.0':
testcase.c:10:1: error: conversion of register to a different size
VIEW_CONVERT_EXPR<double>(D.2694_2);

i_1 = VIEW_CONVERT_EXPR<double>(D.2694_2);

testcase.c:10:1: internal compiler error: verify_stmts failed
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.


Tested revisions:
r170622 - crash
4.5 r170013 - OK
4.4 r170013 - OK


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

* [Bug tree-optimization/47967] [4.6 Regression] ICE: verify_stmts failed: conversion of register to a different size with -fipa-cp on undefined code
  2011-03-03 12:53 [Bug tree-optimization/47967] New: [4.6 Regression] ICE: verify_stmts failed: conversion of register to a different size with -fipa-cp on undefined code zsojka at seznam dot cz
@ 2011-03-03 13:10 ` rguenth at gcc dot gnu.org
  2011-03-04 12:14 ` jakub at gcc dot gnu.org
                   ` (3 subsequent siblings)
  4 siblings, 0 replies; 6+ messages in thread
From: rguenth at gcc dot gnu.org @ 2011-03-03 13:10 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47967

Richard Guenther <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2011.03.03 13:10:11
                 CC|                            |jamborm at gcc dot gnu.org
   Target Milestone|---                         |4.6.0
     Ever Confirmed|0                           |1

--- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-03-03 13:10:11 UTC ---
Confirmed.


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

* [Bug tree-optimization/47967] [4.6 Regression] ICE: verify_stmts failed: conversion of register to a different size with -fipa-cp on undefined code
  2011-03-03 12:53 [Bug tree-optimization/47967] New: [4.6 Regression] ICE: verify_stmts failed: conversion of register to a different size with -fipa-cp on undefined code zsojka at seznam dot cz
  2011-03-03 13:10 ` [Bug tree-optimization/47967] " rguenth at gcc dot gnu.org
@ 2011-03-04 12:14 ` jakub at gcc dot gnu.org
  2011-03-04 13:37 ` jakub at gcc dot gnu.org
                   ` (2 subsequent siblings)
  4 siblings, 0 replies; 6+ messages in thread
From: jakub at gcc dot gnu.org @ 2011-03-04 12:14 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47967

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

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

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-03-04 12:14:33 UTC ---
Started with http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=161655


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

* [Bug tree-optimization/47967] [4.6 Regression] ICE: verify_stmts failed: conversion of register to a different size with -fipa-cp on undefined code
  2011-03-03 12:53 [Bug tree-optimization/47967] New: [4.6 Regression] ICE: verify_stmts failed: conversion of register to a different size with -fipa-cp on undefined code zsojka at seznam dot cz
  2011-03-03 13:10 ` [Bug tree-optimization/47967] " rguenth at gcc dot gnu.org
  2011-03-04 12:14 ` jakub at gcc dot gnu.org
@ 2011-03-04 13:37 ` jakub at gcc dot gnu.org
  2011-03-04 23:07 ` jakub at gcc dot gnu.org
  2011-03-04 23:11 ` jakub at gcc dot gnu.org
  4 siblings, 0 replies; 6+ messages in thread
From: jakub at gcc dot gnu.org @ 2011-03-04 13:37 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47967

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-03-04 13:36:50 UTC ---
Created attachment 23543
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23543
gcc46-pr47967.patch

Untested fix.  Or is there some better place to check for this earlier?
Inlining certainly handles this right and doesn't consider inlining such
functions, but IPA-CP didn't care.


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

* [Bug tree-optimization/47967] [4.6 Regression] ICE: verify_stmts failed: conversion of register to a different size with -fipa-cp on undefined code
  2011-03-03 12:53 [Bug tree-optimization/47967] New: [4.6 Regression] ICE: verify_stmts failed: conversion of register to a different size with -fipa-cp on undefined code zsojka at seznam dot cz
                   ` (2 preceding siblings ...)
  2011-03-04 13:37 ` jakub at gcc dot gnu.org
@ 2011-03-04 23:07 ` jakub at gcc dot gnu.org
  2011-03-04 23:11 ` jakub at gcc dot gnu.org
  4 siblings, 0 replies; 6+ messages in thread
From: jakub at gcc dot gnu.org @ 2011-03-04 23:07 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47967

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-03-04 23:07:22 UTC ---
Author: jakub
Date: Fri Mar  4 23:07:20 2011
New Revision: 170689

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=170689
Log:
    PR tree-optimization/47967
    * ipa-cp.c (build_const_val): Return NULL instead of creating
    VIEW_CONVERT_EXPR for mismatching sizes.
    (ipcp_create_replace_map): Return NULL if build_const_val failed.
    (ipcp_insert_stage): If ipcp_create_replace_map returns NULL,
    give up on versioning.

    * gcc.c-torture/compile/pr47967.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr47967.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ipa-cp.c
    trunk/gcc/testsuite/ChangeLog


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

* [Bug tree-optimization/47967] [4.6 Regression] ICE: verify_stmts failed: conversion of register to a different size with -fipa-cp on undefined code
  2011-03-03 12:53 [Bug tree-optimization/47967] New: [4.6 Regression] ICE: verify_stmts failed: conversion of register to a different size with -fipa-cp on undefined code zsojka at seznam dot cz
                   ` (3 preceding siblings ...)
  2011-03-04 23:07 ` jakub at gcc dot gnu.org
@ 2011-03-04 23:11 ` jakub at gcc dot gnu.org
  4 siblings, 0 replies; 6+ messages in thread
From: jakub at gcc dot gnu.org @ 2011-03-04 23:11 UTC (permalink / raw)
  To: gcc-bugs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47967

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED
         AssignedTo|unassigned at gcc dot       |jakub at gcc dot gnu.org
                   |gnu.org                     |

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-03-04 23:11:09 UTC ---
Fixed.


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

end of thread, other threads:[~2011-03-04 23:11 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
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2011-03-03 12:53 [Bug tree-optimization/47967] New: [4.6 Regression] ICE: verify_stmts failed: conversion of register to a different size with -fipa-cp on undefined code zsojka at seznam dot cz
2011-03-03 13:10 ` [Bug tree-optimization/47967] " rguenth at gcc dot gnu.org
2011-03-04 12:14 ` jakub at gcc dot gnu.org
2011-03-04 13:37 ` jakub at gcc dot gnu.org
2011-03-04 23:07 ` jakub at gcc dot gnu.org
2011-03-04 23:11 ` jakub at gcc dot gnu.org

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