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* [Bug target/46253] New: ICE: in move_or_delete_vzeroupper_2, at config/i386/i386.c:252 with -g and __builtin_ia32_vzeroupper()
@ 2010-10-31 17:32 zsojka at seznam dot cz
2010-10-31 18:04 ` [Bug target/46253] " ubizjak at gmail dot com
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: zsojka at seznam dot cz @ 2010-10-31 17:32 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46253
Summary: ICE: in move_or_delete_vzeroupper_2, at
config/i386/i386.c:252 with -g and
__builtin_ia32_vzeroupper()
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: zsojka@seznam.cz
Created attachment 22212
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22212
reduced testcase
Compiler output:
$ gcc -O -g -mf16c pr46253.c
pr46253.c: In function 'foo':
pr46253.c:10:1: internal compiler error: in move_or_delete_vzeroupper_2, at
config/i386/i386.c:252
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/46253] ICE: in move_or_delete_vzeroupper_2, at config/i386/i386.c:252 with -g and __builtin_ia32_vzeroupper()
2010-10-31 17:32 [Bug target/46253] New: ICE: in move_or_delete_vzeroupper_2, at config/i386/i386.c:252 with -g and __builtin_ia32_vzeroupper() zsojka at seznam dot cz
@ 2010-10-31 18:04 ` ubizjak at gmail dot com
2010-10-31 18:09 ` hjl.tools at gmail dot com
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: ubizjak at gmail dot com @ 2010-10-31 18:04 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46253
Uros Bizjak <ubizjak at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2010.10.31 18:04:40
AssignedTo|unassigned at gcc dot |ubizjak at gmail dot com
|gnu.org |
Target Milestone|--- |4.6.0
Ever Confirmed|0 |1
--- Comment #1 from Uros Bizjak <ubizjak at gmail dot com> 2010-10-31 18:04:40 UTC ---
I will soon post a patch that recodes move_or_delete_vzeroupper_2 loop.
The patch also fixes this testcase.
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/46253] ICE: in move_or_delete_vzeroupper_2, at config/i386/i386.c:252 with -g and __builtin_ia32_vzeroupper()
2010-10-31 17:32 [Bug target/46253] New: ICE: in move_or_delete_vzeroupper_2, at config/i386/i386.c:252 with -g and __builtin_ia32_vzeroupper() zsojka at seznam dot cz
2010-10-31 18:04 ` [Bug target/46253] " ubizjak at gmail dot com
@ 2010-10-31 18:09 ` hjl.tools at gmail dot com
2010-11-02 18:09 ` [Bug target/46253] [4.6 Regression] " hjl at gcc dot gnu.org
2010-11-02 18:10 ` hjl.tools at gmail dot com
3 siblings, 0 replies; 5+ messages in thread
From: hjl.tools at gmail dot com @ 2010-10-31 18:09 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46253
--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> 2010-10-31 18:09:16 UTC ---
Created attachment 22213
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22213
An experimental patch
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/46253] [4.6 Regression] ICE: in move_or_delete_vzeroupper_2, at config/i386/i386.c:252 with -g and __builtin_ia32_vzeroupper()
2010-10-31 17:32 [Bug target/46253] New: ICE: in move_or_delete_vzeroupper_2, at config/i386/i386.c:252 with -g and __builtin_ia32_vzeroupper() zsojka at seznam dot cz
2010-10-31 18:04 ` [Bug target/46253] " ubizjak at gmail dot com
2010-10-31 18:09 ` hjl.tools at gmail dot com
@ 2010-11-02 18:09 ` hjl at gcc dot gnu.org
2010-11-02 18:10 ` hjl.tools at gmail dot com
3 siblings, 0 replies; 5+ messages in thread
From: hjl at gcc dot gnu.org @ 2010-11-02 18:09 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46253
--- Comment #3 from hjl at gcc dot gnu.org <hjl at gcc dot gnu.org> 2010-11-02 18:08:49 UTC ---
Author: hjl
Date: Tue Nov 2 18:08:44 2010
New Revision: 166208
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=166208
Log:
Emit vzerouppers after reload.
gcc/
2010-11-02 Uros Bizjak <ubizjak@gmail.com>
H.J. Lu <hongjiu.lu@intel.com>
* config/i386/i386-protos.h (ix86_split_call_vzeroupper): New.
(ix86_split_call_pop_vzeroupper): Likewise.
* config/i386/i386.c (move_or_delete_vzeroupper_2): Rewrite
the loop.
(ix86_expand_call): Use UNSPEC_CALL_NEEDS_VZEROUPPER.
(ix86_split_call_vzeroupper): New.
(ix86_split_call_pop_vzeroupper): Likewise.
* config/i386/i386.md (UNSPEC_CALL_NEEDS_VZEROUPPER): New.
(*call_pop_0_vzeroupper): Likewise.
(*call_pop_1_vzeroupper): Likewise.
(*sibcall_pop_1_vzeroupper): Likewise.
(*call_0_vzeroupper): Likewise.
(*call_1_vzeroupper): Likewise.
(*sibcall_1_vzeroupper): Likewise.
(*call_1_rex64_vzeroupper): Likewise.
(*call_1_rex64_ms_sysv_vzeroupper): New.
(*call_1_rex64_large_vzeroupper): Likewise.
(*sibcall_1_rex64_vzeroupper): Likewise.
(*call_value_pop_0_vzeroupper): New.
(*call_value_pop_1_vzeroupper): Likewise.
(*sibcall_value_pop_1_vzeroupper): Likewise.
(*call_value_0_vzeroupper): New.
(*call_value_0_rex64_vzeroupper): Use
(*call_value_0_rex64_ms_sysv_vzeroupper): Likewise.
(*call_value_1_vzeroupper): Likewise.
(*sibcall_value_1_vzeroupper): Likewise.
(*call_value_1_rex64_vzeroupper): Likewise.
(*call_value_1_rex64_ms_sysv_vzeroupper): Likewise.
(*call_value_1_rex64_large_vzeroupper): Likewise.
(*sibcall_value_1_rex64_vzeroupper): Likewise.
gcc/testsuite/
2010-11-02 H.J. Lu <hongjiu.lu@intel.com>
* gcc.target/i386/avx-vzeroupper-15.c: New.
* gcc.target/i386/avx-vzeroupper-16.c: Likewise.
* gcc.target/i386/avx-vzeroupper-17.c: Likewise.
* gcc.target/i386/avx-vzeroupper-18.c: Likewise.
PR target/46253
* gcc.target/i386/pr46253.c: New.
Added:
trunk/gcc/testsuite/gcc.target/i386/avx-vzeroupper-15.c
trunk/gcc/testsuite/gcc.target/i386/avx-vzeroupper-16.c
trunk/gcc/testsuite/gcc.target/i386/avx-vzeroupper-17.c
trunk/gcc/testsuite/gcc.target/i386/avx-vzeroupper-18.c
trunk/gcc/testsuite/gcc.target/i386/pr46253.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/i386/i386-protos.h
trunk/gcc/config/i386/i386.c
trunk/gcc/config/i386/i386.md
trunk/gcc/testsuite/ChangeLog
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/46253] [4.6 Regression] ICE: in move_or_delete_vzeroupper_2, at config/i386/i386.c:252 with -g and __builtin_ia32_vzeroupper()
2010-10-31 17:32 [Bug target/46253] New: ICE: in move_or_delete_vzeroupper_2, at config/i386/i386.c:252 with -g and __builtin_ia32_vzeroupper() zsojka at seznam dot cz
` (2 preceding siblings ...)
2010-11-02 18:09 ` [Bug target/46253] [4.6 Regression] " hjl at gcc dot gnu.org
@ 2010-11-02 18:10 ` hjl.tools at gmail dot com
3 siblings, 0 replies; 5+ messages in thread
From: hjl.tools at gmail dot com @ 2010-11-02 18:10 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46253
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
--- Comment #4 from H.J. Lu <hjl.tools at gmail dot com> 2010-11-02 18:09:43 UTC ---
Fixed.
^ permalink raw reply [flat|nested] 5+ messages in thread
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2010-10-31 17:32 [Bug target/46253] New: ICE: in move_or_delete_vzeroupper_2, at config/i386/i386.c:252 with -g and __builtin_ia32_vzeroupper() zsojka at seznam dot cz
2010-10-31 18:04 ` [Bug target/46253] " ubizjak at gmail dot com
2010-10-31 18:09 ` hjl.tools at gmail dot com
2010-11-02 18:09 ` [Bug target/46253] [4.6 Regression] " hjl at gcc dot gnu.org
2010-11-02 18:10 ` hjl.tools at gmail dot com
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