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* [Bug middle-end/61919] New: [4.10 regression] FAIL: gfortran.dg/fmt_g0_6.f08 -O2 execution test
@ 2014-07-26 10:11 schwab@linux-m68k.org
2014-07-26 10:13 ` [Bug middle-end/61919] " schwab@linux-m68k.org
` (5 more replies)
0 siblings, 6 replies; 7+ messages in thread
From: schwab@linux-m68k.org @ 2014-07-26 10:11 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61919
Bug ID: 61919
Summary: [4.10 regression] FAIL: gfortran.dg/fmt_g0_6.f08 -O2
execution test
Product: gcc
Version: 4.10.0
Status: UNCONFIRMED
Keywords: wrong-code
Severity: normal
Priority: P3
Component: middle-end
Assignee: unassigned at gcc dot gnu.org
Reporter: schwab@linux-m68k.org
Blocks: 61268
Target: ia64-*-*
Created attachment 33187
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33187&action=edit
Output after r213002
The change for middle-end/61268 causes miscompilation of
gfortran.dg/fmt_g0_6.f08 on ia64.
$ gcc/gfortran -Bgcc/ -Bia64-suse-linux/./libgfortran/
../gcc/testsuite/gfortran.dg/fmt_g0_6.f08 -O2 -ffloat-store
-Bia64-suse-linux/./libgfortran/.libs -Lia64-suse-linux/./libgfortran/.libs
-Lia64-suse-linux/./libgfortran/.libs -Bia64-suse-linux/./libquadmath/.libs
-Lia64-suse-linux/./libquadmath/.libs -Lia64-suse-linux/./libquadmath/.libs -lm
-o ./fmt_g0_6.exe
$
LD_LIBRARY_PATH=ia64-suse-linux/libgfortran/.libs:ia64-suse-linux/libquadmath/.libs
./fmt_g0_6.exe
Program received signal SIGSEGV: Segmentation fault - invalid memory reference.
Backtrace for this error:
#0 0x2000000000082E4F
#1 0x2000000000083F4F
#2 0xA0000000000407FF
#3 0x4000000000001D70 in check_f_fmt.854.constprop.1 at fmt_g0_6.f08:?
#4 0x4000000000001F9F in check_all.862.constprop.0 at fmt_g0_6.f08:?
Segmentation fault
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug middle-end/61919] [4.10 regression] FAIL: gfortran.dg/fmt_g0_6.f08 -O2 execution test
2014-07-26 10:11 [Bug middle-end/61919] New: [4.10 regression] FAIL: gfortran.dg/fmt_g0_6.f08 -O2 execution test schwab@linux-m68k.org
@ 2014-07-26 10:13 ` schwab@linux-m68k.org
2014-07-26 20:16 ` rsandifo at gcc dot gnu.org
` (4 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: schwab@linux-m68k.org @ 2014-07-26 10:13 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61919
--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
Created attachment 33188
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33188&action=edit
Output before r213002
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug middle-end/61919] [4.10 regression] FAIL: gfortran.dg/fmt_g0_6.f08 -O2 execution test
2014-07-26 10:11 [Bug middle-end/61919] New: [4.10 regression] FAIL: gfortran.dg/fmt_g0_6.f08 -O2 execution test schwab@linux-m68k.org
2014-07-26 10:13 ` [Bug middle-end/61919] " schwab@linux-m68k.org
@ 2014-07-26 20:16 ` rsandifo at gcc dot gnu.org
2014-07-26 21:35 ` schwab@linux-m68k.org
` (3 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: rsandifo at gcc dot gnu.org @ 2014-07-26 20:16 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61919
rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2014-07-26
Assignee|unassigned at gcc dot gnu.org |rsandifo at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #2 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> ---
Created attachment 33191
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33191&action=edit
Proposed patch
Looks like some invalid sharing from out-of-SSA.
Please try the attached patch.
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug middle-end/61919] [4.10 regression] FAIL: gfortran.dg/fmt_g0_6.f08 -O2 execution test
2014-07-26 10:11 [Bug middle-end/61919] New: [4.10 regression] FAIL: gfortran.dg/fmt_g0_6.f08 -O2 execution test schwab@linux-m68k.org
2014-07-26 10:13 ` [Bug middle-end/61919] " schwab@linux-m68k.org
2014-07-26 20:16 ` rsandifo at gcc dot gnu.org
@ 2014-07-26 21:35 ` schwab@linux-m68k.org
2014-07-28 8:26 ` rguenth at gcc dot gnu.org
` (2 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: schwab@linux-m68k.org @ 2014-07-26 21:35 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61919
--- Comment #3 from Andreas Schwab <schwab@linux-m68k.org> ---
That fixes the test case.
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug middle-end/61919] [4.10 regression] FAIL: gfortran.dg/fmt_g0_6.f08 -O2 execution test
2014-07-26 10:11 [Bug middle-end/61919] New: [4.10 regression] FAIL: gfortran.dg/fmt_g0_6.f08 -O2 execution test schwab@linux-m68k.org
` (2 preceding siblings ...)
2014-07-26 21:35 ` schwab@linux-m68k.org
@ 2014-07-28 8:26 ` rguenth at gcc dot gnu.org
2014-07-28 8:42 ` rsandifo at gcc dot gnu.org
2014-07-28 8:46 ` rsandifo at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: rguenth at gcc dot gnu.org @ 2014-07-28 8:26 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61919
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |4.10.0
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug middle-end/61919] [4.10 regression] FAIL: gfortran.dg/fmt_g0_6.f08 -O2 execution test
2014-07-26 10:11 [Bug middle-end/61919] New: [4.10 regression] FAIL: gfortran.dg/fmt_g0_6.f08 -O2 execution test schwab@linux-m68k.org
` (3 preceding siblings ...)
2014-07-28 8:26 ` rguenth at gcc dot gnu.org
@ 2014-07-28 8:42 ` rsandifo at gcc dot gnu.org
2014-07-28 8:46 ` rsandifo at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: rsandifo at gcc dot gnu.org @ 2014-07-28 8:42 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61919
--- Comment #4 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> ---
Author: rsandifo
Date: Mon Jul 28 08:41:34 2014
New Revision: 213116
URL: https://gcc.gnu.org/viewcvs?rev=213116&root=gcc&view=rev
Log:
gcc/
PR middle-end/61919
* tree-outof-ssa.c (insert_partition_copy_on_edge)
(insert_value_copy_on_edge, insert_rtx_to_part_on_edge)
(insert_part_to_rtx_on_edge): Copy partition_to_pseudo rtxes before
inserting them in the insn stream.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/tree-outof-ssa.c
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug middle-end/61919] [4.10 regression] FAIL: gfortran.dg/fmt_g0_6.f08 -O2 execution test
2014-07-26 10:11 [Bug middle-end/61919] New: [4.10 regression] FAIL: gfortran.dg/fmt_g0_6.f08 -O2 execution test schwab@linux-m68k.org
` (4 preceding siblings ...)
2014-07-28 8:42 ` rsandifo at gcc dot gnu.org
@ 2014-07-28 8:46 ` rsandifo at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: rsandifo at gcc dot gnu.org @ 2014-07-28 8:46 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61919
rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #5 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> ---
Patch applied.
^ permalink raw reply [flat|nested] 7+ messages in thread
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2014-07-26 10:11 [Bug middle-end/61919] New: [4.10 regression] FAIL: gfortran.dg/fmt_g0_6.f08 -O2 execution test schwab@linux-m68k.org
2014-07-26 10:13 ` [Bug middle-end/61919] " schwab@linux-m68k.org
2014-07-26 20:16 ` rsandifo at gcc dot gnu.org
2014-07-26 21:35 ` schwab@linux-m68k.org
2014-07-28 8:26 ` rguenth at gcc dot gnu.org
2014-07-28 8:42 ` rsandifo at gcc dot gnu.org
2014-07-28 8:46 ` rsandifo at gcc dot gnu.org
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