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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
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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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