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* [Bug target/14908] New: [tree-ssa regression] ICE with -O2 -ffast-math in final_scan_insn()
@ 2004-04-10 15:20 martin at mpa-garching dot mpg dot de
2004-04-10 15:47 ` [Bug target/14908] [tree-ssa regression] [merge] " pinskia at gcc dot gnu dot org
2004-04-14 6:21 ` pinskia at gcc dot gnu dot org
0 siblings, 2 replies; 3+ messages in thread
From: martin at mpa-garching dot mpg dot de @ 2004-04-10 15:20 UTC (permalink / raw)
To: gcc-bugs
This bug is tree-ssa's analogon to target/14888.
Most likely the next merge of mainline into tree-ssa will fix it.
~/tmp>cat bug.cc
class xcomplex
{
public:
float re, im;
xcomplex &operator*= (const float &fact)
{ re*=fact; im*=fact; return *this; }
};
void foo (xcomplex &almT, xcomplex &almG)
{
double gb;
almT*=gb;
almG*=gb*42;
}
~/tmp>g++ -v -O2 -ffast-math -c ./bug.cc
Reading specs from /afs/mpa/data/martin/ugcc-ssa/lib/gcc/i686-pc-linux-gnu/3.5-t
ree-ssa/specs
Configured with: /scratch/gcc-ssa/configure --prefix=/afs/mpa/data/martin/ugcc-s
sa --enable-languages=c++,f95 --disable-checking --with-gmp=/afs/mpa/data/martin
/mygmp
Thread model: posix
gcc version 3.5-tree-ssa 20040410 (merged 20040331)
/afs/mpa/data/martin/ugcc-ssa/libexec/gcc/i686-pc-linux-gnu/3.5-tree-ssa/cc1plu
s -quiet -v -D_GNU_SOURCE ./bug.cc -quiet -dumpbase bug.cc -mtune=pentiumpro -au
xbase bug -O2 -version -ffast-math -o /tmp/cc6oieEa.s
ignoring nonexistent directory "/afs/mpa/data/martin/ugcc-ssa/lib/gcc/i686-pc-li
nux-gnu/3.5-tree-ssa/../../../../i686-pc-linux-gnu/include"
#include "..." search starts here:
#include <...> search starts here:
/afs/mpa/data/martin/ugcc-ssa/lib/gcc/i686-pc-linux-gnu/3.5-tree-ssa/../../../.
./include/c++/3.5-tree-ssa
/afs/mpa/data/martin/ugcc-ssa/lib/gcc/i686-pc-linux-gnu/3.5-tree-ssa/../../../.
./include/c++/3.5-tree-ssa/i686-pc-linux-gnu
/afs/mpa/data/martin/ugcc-ssa/lib/gcc/i686-pc-linux-gnu/3.5-tree-ssa/../../../.
./include/c++/3.5-tree-ssa/backward
/usr/local/include
/afs/mpa/data/martin/ugcc-ssa/include
/afs/mpa/data/martin/ugcc-ssa/lib/gcc/i686-pc-linux-gnu/3.5-tree-ssa/include
/usr/include
End of search list.
GNU C++ version 3.5-tree-ssa 20040410 (merged 20040331) (i686-pc-linux-gnu)
compiled by GNU C version 3.5-tree-ssa 20040410 (merged 20040331).
GGC heuristics: --param ggc-min-expand=63 --param ggc-min-heapsize=63318
./bug.cc: In function `void foo(xcomplex&, xcomplex&)':
./bug.cc:15: error: could not split insn
(insn:TI 10 50 3 (set (reg:SF 8 st)
(float_truncate:SF (reg:DF 8 st))) 91 {truncdfsf2_noop} (nil)
(nil))
./bug.cc:15: internal compiler error: in final_scan_insn, at final.c:2431
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
--
Summary: [tree-ssa regression] ICE with -O2 -ffast-math in
final_scan_insn()
Product: gcc
Version: tree-ssa
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: target
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: martin at mpa-garching dot mpg dot de
CC: gcc-bugs at gcc dot gnu dot org,martin at mpa-garching
dot mpg dot de
GCC build triplet: i686-pc-linux-gnu
GCC host triplet: i686-pc-linux-gnu
GCC target triplet: i686-pc-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14908
^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug target/14908] [tree-ssa regression] [merge] ICE with -O2 -ffast-math in final_scan_insn()
2004-04-10 15:20 [Bug target/14908] New: [tree-ssa regression] ICE with -O2 -ffast-math in final_scan_insn() martin at mpa-garching dot mpg dot de
@ 2004-04-10 15:47 ` pinskia at gcc dot gnu dot org
2004-04-14 6:21 ` pinskia at gcc dot gnu dot org
1 sibling, 0 replies; 3+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2004-04-10 15:47 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From pinskia at gcc dot gnu dot org 2004-04-10 15:27 -------
Confirmed, waiting for a merge.
--
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever Confirmed| |1
Keywords| |ice-on-valid-code
Last reconfirmed|0000-00-00 00:00:00 |2004-04-10 15:27:11
date| |
Summary|[tree-ssa regression] ICE |[tree-ssa regression]
|with -O2 -ffast-math in |[merge] ICE with -O2 -ffast-
|final_scan_insn() |math in final_scan_insn()
Target Milestone|--- |tree-ssa
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14908
^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug target/14908] [tree-ssa regression] [merge] ICE with -O2 -ffast-math in final_scan_insn()
2004-04-10 15:20 [Bug target/14908] New: [tree-ssa regression] ICE with -O2 -ffast-math in final_scan_insn() martin at mpa-garching dot mpg dot de
2004-04-10 15:47 ` [Bug target/14908] [tree-ssa regression] [merge] " pinskia at gcc dot gnu dot org
@ 2004-04-14 6:21 ` pinskia at gcc dot gnu dot org
1 sibling, 0 replies; 3+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2004-04-14 6:21 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From pinskia at gcc dot gnu dot org 2004-04-14 01:45 -------
Yep the merge from the mainline fixed this so closing as a dup of bug 14888.
*** This bug has been marked as a duplicate of 14888 ***
--
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |DUPLICATE
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14908
^ permalink raw reply [flat|nested] 3+ messages in thread
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2004-04-10 15:20 [Bug target/14908] New: [tree-ssa regression] ICE with -O2 -ffast-math in final_scan_insn() martin at mpa-garching dot mpg dot de
2004-04-10 15:47 ` [Bug target/14908] [tree-ssa regression] [merge] " pinskia at gcc dot gnu dot org
2004-04-14 6:21 ` pinskia at gcc dot gnu dot org
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