* [Bug tree-optimization/38884] missed FRE with __real and __imag
[not found] <bug-38884-4@http.gcc.gnu.org/bugzilla/>
@ 2010-09-24 18:39 ` pinskia at gcc dot gnu.org
2010-09-24 18:41 ` pinskia at gcc dot gnu.org
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6 siblings, 0 replies; 9+ messages in thread
From: pinskia at gcc dot gnu.org @ 2010-09-24 18:39 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38884
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> 2010-09-24 18:38:53 UTC ---
global_res = { 0.0, 0.0, 0.0, 2.0e+0 };
x.0_4 = BIT_FIELD_REF <global_res, 32, 0>;
x = x.0_4;
return 0;
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[not found] <bug-38884-4@http.gcc.gnu.org/bugzilla/>
2010-09-24 18:39 ` [Bug tree-optimization/38884] missed FRE with __real and __imag pinskia at gcc dot gnu.org
@ 2010-09-24 18:41 ` pinskia at gcc dot gnu.org
2010-09-24 18:43 ` rguenth at gcc dot gnu.org
` (4 subsequent siblings)
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From: pinskia at gcc dot gnu.org @ 2010-09-24 18:41 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38884
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> 2010-09-24 18:39:57 UTC ---
D.2727_2 = COMPLEX_EXPR <dd_1(D), 0.0>;
sv.i = D.2727_2;
d_3 = REALPART_EXPR <sv.i>;
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[not found] <bug-38884-4@http.gcc.gnu.org/bugzilla/>
2010-09-24 18:39 ` [Bug tree-optimization/38884] missed FRE with __real and __imag pinskia at gcc dot gnu.org
2010-09-24 18:41 ` pinskia at gcc dot gnu.org
@ 2010-09-24 18:43 ` rguenth at gcc dot gnu.org
2011-10-05 12:47 ` rguenth at gcc dot gnu.org
` (3 subsequent siblings)
6 siblings, 0 replies; 9+ messages in thread
From: rguenth at gcc dot gnu.org @ 2010-09-24 18:43 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38884
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|unassigned at gcc dot |rguenth at gcc dot gnu.org
|gnu.org |
--- Comment #4 from Richard Guenther <rguenth at gcc dot gnu.org> 2010-09-24 18:42:45 UTC ---
Mine.
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^ permalink raw reply [flat|nested] 9+ messages in thread* [Bug tree-optimization/38884] missed FRE with __real and __imag
[not found] <bug-38884-4@http.gcc.gnu.org/bugzilla/>
` (2 preceding siblings ...)
2010-09-24 18:43 ` rguenth at gcc dot gnu.org
@ 2011-10-05 12:47 ` rguenth at gcc dot gnu.org
2011-10-06 8:42 ` rguenth at gcc dot gnu.org
` (2 subsequent siblings)
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From: rguenth at gcc dot gnu.org @ 2011-10-05 12:47 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38884
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2011-10-05
Ever Confirmed|0 |1
--- Comment #5 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-10-05 12:47:00 UTC ---
Re-confirmed for the 2nd function. The first one is optimized.
struct s { _Complex float i; };
void g(struct s *);
float a1 (float dd)
{
struct s sv;
sv.i = dd;
float d = __real__ sv.i;
g(&sv);
return d;
}
^ permalink raw reply [flat|nested] 9+ messages in thread* [Bug tree-optimization/38884] missed FRE with __real and __imag
[not found] <bug-38884-4@http.gcc.gnu.org/bugzilla/>
` (3 preceding siblings ...)
2011-10-05 12:47 ` rguenth at gcc dot gnu.org
@ 2011-10-06 8:42 ` rguenth at gcc dot gnu.org
2011-10-06 8:47 ` rguenth at gcc dot gnu.org
2012-01-02 4:07 ` pinskia at gcc dot gnu.org
6 siblings, 0 replies; 9+ messages in thread
From: rguenth at gcc dot gnu.org @ 2011-10-06 8:42 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38884
--- Comment #6 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-10-06 08:41:54 UTC ---
Author: rguenth
Date: Thu Oct 6 08:41:44 2011
New Revision: 179593
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=179593
Log:
2011-10-06 Richard Guenther <rguenther@suse.de>
PR tree-optimization/38884
* tree-ssa-sccvn.c (vn_reference_lookup_3): Handle partial
reads from aggregate SSA names.
* gcc.dg/tree-ssa/ssa-fre-34.c: New testcase.
* gcc.dg/tree-ssa/ssa-fre-35.c: Likewise.
Added:
trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-34.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-35.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-sccvn.c
^ permalink raw reply [flat|nested] 9+ messages in thread* [Bug tree-optimization/38884] missed FRE with __real and __imag
[not found] <bug-38884-4@http.gcc.gnu.org/bugzilla/>
` (4 preceding siblings ...)
2011-10-06 8:42 ` rguenth at gcc dot gnu.org
@ 2011-10-06 8:47 ` rguenth at gcc dot gnu.org
2012-01-02 4:07 ` pinskia at gcc dot gnu.org
6 siblings, 0 replies; 9+ messages in thread
From: rguenth at gcc dot gnu.org @ 2011-10-06 8:47 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38884
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
--- Comment #7 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-10-06 08:46:52 UTC ---
Fixed for 4.7.0.
^ permalink raw reply [flat|nested] 9+ messages in thread* [Bug tree-optimization/38884] missed FRE with __real and __imag
[not found] <bug-38884-4@http.gcc.gnu.org/bugzilla/>
` (5 preceding siblings ...)
2011-10-06 8:47 ` rguenth at gcc dot gnu.org
@ 2012-01-02 4:07 ` pinskia at gcc dot gnu.org
6 siblings, 0 replies; 9+ messages in thread
From: pinskia at gcc dot gnu.org @ 2012-01-02 4:07 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38884
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |4.7.0
^ permalink raw reply [flat|nested] 9+ messages in thread