* [Bug c/33597] Internal compiler error while compiling libswcale from ffmpeg
2007-09-29 22:57 [Bug c/33597] New: Internal compiler error while compiling libswcale from ffmpeg ismail at pardus dot org dot tr
@ 2007-09-29 22:58 ` ismail at pardus dot org dot tr
2007-09-29 23:00 ` [Bug middle-end/33597] " pinskia at gcc dot gnu dot org
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From: ismail at pardus dot org dot tr @ 2007-09-29 22:58 UTC (permalink / raw)
To: gcc-bugs
------- Comment #1 from ismail at pardus dot org dot tr 2007-09-29 22:58 -------
Created an attachment (id=14269)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=14269&action=view)
rgb2rgb.s produced with -save-temps
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33597
^ permalink raw reply [flat|nested] 10+ messages in thread* [Bug middle-end/33597] Internal compiler error while compiling libswcale from ffmpeg
2007-09-29 22:57 [Bug c/33597] New: Internal compiler error while compiling libswcale from ffmpeg ismail at pardus dot org dot tr
2007-09-29 22:58 ` [Bug c/33597] " ismail at pardus dot org dot tr
@ 2007-09-29 23:00 ` pinskia at gcc dot gnu dot org
2007-09-29 23:03 ` ismail at pardus dot org dot tr
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From: pinskia at gcc dot gnu dot org @ 2007-09-29 23:00 UTC (permalink / raw)
To: gcc-bugs
------- Comment #2 from pinskia at gcc dot gnu dot org 2007-09-29 22:59 -------
The .i file is important and not the .s file.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33597
^ permalink raw reply [flat|nested] 10+ messages in thread* [Bug middle-end/33597] Internal compiler error while compiling libswcale from ffmpeg
2007-09-29 22:57 [Bug c/33597] New: Internal compiler error while compiling libswcale from ffmpeg ismail at pardus dot org dot tr
2007-09-29 22:58 ` [Bug c/33597] " ismail at pardus dot org dot tr
2007-09-29 23:00 ` [Bug middle-end/33597] " pinskia at gcc dot gnu dot org
@ 2007-09-29 23:03 ` ismail at pardus dot org dot tr
2007-09-30 10:03 ` ubizjak at gmail dot com
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From: ismail at pardus dot org dot tr @ 2007-09-29 23:03 UTC (permalink / raw)
To: gcc-bugs
------- Comment #3 from ismail at pardus dot org dot tr 2007-09-29 23:03 -------
Created an attachment (id=14270)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=14270&action=view)
Corresponding *.i file
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33597
^ permalink raw reply [flat|nested] 10+ messages in thread* [Bug middle-end/33597] Internal compiler error while compiling libswcale from ffmpeg
2007-09-29 22:57 [Bug c/33597] New: Internal compiler error while compiling libswcale from ffmpeg ismail at pardus dot org dot tr
` (2 preceding siblings ...)
2007-09-29 23:03 ` ismail at pardus dot org dot tr
@ 2007-09-30 10:03 ` ubizjak at gmail dot com
2007-09-30 10:29 ` ubizjak at gmail dot com
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From: ubizjak at gmail dot com @ 2007-09-30 10:03 UTC (permalink / raw)
To: gcc-bugs
[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #1: Type: text/plain, Size: 2654 bytes --]
------- Comment #4 from ubizjak at gmail dot com 2007-09-30 10:03 -------
segfaults with -ftree-vectorize in SLP.
reduced testcase:
--cut here--
typedef unsigned char uint8_t;
typedef unsigned short uint16_t;
void
rgb15to24_C (const uint8_t * src, uint8_t * dst, long src_size)
{
const uint16_t *end;
const uint16_t *s = (uint16_t *)src;
uint8_t *d = (uint8_t *)dst;
end = s + src_size/2;
while (s < end)
{
uint16_t bgr = *s++;
*d++ = (bgr&0x1F)<<3;
*d++ = (bgr&0x3E0)>>2;
*d++ = (bgr&0x7C00)>>7;
}
}
--cut here--
gcc -O2 -ftree-vectorize -msse2:
t.c: In function �rgb15to24_C�:
t.c:6: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
Program received signal SIGSEGV, Segmentation fault.
0x0000000000a94d24 in vect_build_slp_tree (loop_vinfo=0x1039cc0,
node=0x7fffb8b97da0, group_size=3, slp_impossible=0x7fffb8b97e3f "",
inside_cost=0x7fffb8b97e38, outside_cost=0x7fffb8b97e34,
ncopies_for_cost=3) at ../../gcc-svn/trunk/gcc/tree-vect-analyze.c:2700
2700 if (!VECTOR_MODE_P (optab_op2_mode))
#0 0x0000000000a94d24 in vect_build_slp_tree (loop_vinfo=0x1039cc0,
node=0x7fffb8b97da0, group_size=3, slp_impossible=0x7fffb8b97e3f "",
inside_cost=0x7fffb8b97e38, outside_cost=0x7fffb8b97e34,
ncopies_for_cost=3) at ../../gcc-svn/trunk/gcc/tree-vect-analyze.c:2700
#1 0x0000000000a94f73 in vect_build_slp_tree (loop_vinfo=0x1039cc0,
node=0x7fffb8b97e28, group_size=3, slp_impossible=0x7fffb8b97e3f "",
inside_cost=0x7fffb8b97e38, outside_cost=0x7fffb8b97e34,
ncopies_for_cost=3) at ../../gcc-svn/trunk/gcc/tree-vect-analyze.c:2870
#2 0x0000000000a955e3 in vect_analyze_slp_instance (loop_vinfo=0x1039cc0,
stmt=<value optimized out>)
at ../../gcc-svn/trunk/gcc/tree-vect-analyze.c:3000
#3 0x0000000000a993e0 in vect_analyze_loop (loop=<value optimized out>)
at ../../gcc-svn/trunk/gcc/tree-vect-analyze.c:3045
#4 0x00000000007f82ce in vectorize_loops ()
at ../../gcc-svn/trunk/gcc/tree-vectorizer.c:2501
Confirmed on x86_64 and i686/sse2.
--
ubizjak at gmail dot com changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever Confirmed|0 |1
Last reconfirmed|0000-00-00 00:00:00 |2007-09-30 10:03:40
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33597
^ permalink raw reply [flat|nested] 10+ messages in thread* [Bug middle-end/33597] Internal compiler error while compiling libswcale from ffmpeg
2007-09-29 22:57 [Bug c/33597] New: Internal compiler error while compiling libswcale from ffmpeg ismail at pardus dot org dot tr
` (3 preceding siblings ...)
2007-09-30 10:03 ` ubizjak at gmail dot com
@ 2007-09-30 10:29 ` ubizjak at gmail dot com
2007-09-30 10:37 ` irar at il dot ibm dot com
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From: ubizjak at gmail dot com @ 2007-09-30 10:29 UTC (permalink / raw)
To: gcc-bugs
------- Comment #5 from ubizjak at gmail dot com 2007-09-30 10:28 -------
Patch in testing:
--cut here--
Index: tree-vect-analyze.c
===================================================================
--- tree-vect-analyze.c (revision 128890)
+++ tree-vect-analyze.c (working copy)
@@ -2696,6 +2696,13 @@
return false;
}
icode = (int) optab->handlers[(int) vec_mode].insn_code;
+ if (icode == CODE_FOR_nothing)
+ {
+ if (vect_print_dump_info (REPORT_SLP))
+ fprintf (vect_dump,
+ "Build SLP failed: op not supported by target.");
+ return false;
+ }
optab_op2_mode = insn_data[icode].operand[2].mode;
if (!VECTOR_MODE_P (optab_op2_mode))
{
--cut here--
--
ubizjak at gmail dot com changed:
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|unassigned at gcc dot gnu |ubizjak at gmail dot com
|dot org |
Status|NEW |ASSIGNED
Last reconfirmed|2007-09-30 10:03:40 |2007-09-30 10:28:58
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33597
^ permalink raw reply [flat|nested] 10+ messages in thread* [Bug middle-end/33597] Internal compiler error while compiling libswcale from ffmpeg
2007-09-29 22:57 [Bug c/33597] New: Internal compiler error while compiling libswcale from ffmpeg ismail at pardus dot org dot tr
` (4 preceding siblings ...)
2007-09-30 10:29 ` ubizjak at gmail dot com
@ 2007-09-30 10:37 ` irar at il dot ibm dot com
2007-09-30 11:30 ` [Bug middle-end/33597] Internal compiler error while compiling libswscale " ismail at pardus dot org dot tr
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From: irar at il dot ibm dot com @ 2007-09-30 10:37 UTC (permalink / raw)
To: gcc-bugs
------- Comment #6 from irar at il dot ibm dot com 2007-09-30 10:37 -------
(In reply to comment #5)
> Patch in testing:
Thanks for fixing this!
(I've just started to test the exact same patch :))
Ira
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33597
^ permalink raw reply [flat|nested] 10+ messages in thread* [Bug middle-end/33597] Internal compiler error while compiling libswscale from ffmpeg
2007-09-29 22:57 [Bug c/33597] New: Internal compiler error while compiling libswcale from ffmpeg ismail at pardus dot org dot tr
` (5 preceding siblings ...)
2007-09-30 10:37 ` irar at il dot ibm dot com
@ 2007-09-30 11:30 ` ismail at pardus dot org dot tr
2007-09-30 12:45 ` uros at gcc dot gnu dot org
2007-09-30 12:47 ` [Bug tree-optimization/33597] " ubizjak at gmail dot com
8 siblings, 0 replies; 10+ messages in thread
From: ismail at pardus dot org dot tr @ 2007-09-30 11:30 UTC (permalink / raw)
To: gcc-bugs
------- Comment #7 from ismail at pardus dot org dot tr 2007-09-30 11:30 -------
Fix summary , swcale -> swscale . Thanks for the fast fix!
--
ismail at pardus dot org dot tr changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|Internal compiler error |Internal compiler error
|while compiling libswcale |while compiling libswscale
|from ffmpeg |from ffmpeg
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33597
^ permalink raw reply [flat|nested] 10+ messages in thread* [Bug middle-end/33597] Internal compiler error while compiling libswscale from ffmpeg
2007-09-29 22:57 [Bug c/33597] New: Internal compiler error while compiling libswcale from ffmpeg ismail at pardus dot org dot tr
` (6 preceding siblings ...)
2007-09-30 11:30 ` [Bug middle-end/33597] Internal compiler error while compiling libswscale " ismail at pardus dot org dot tr
@ 2007-09-30 12:45 ` uros at gcc dot gnu dot org
2007-09-30 12:47 ` [Bug tree-optimization/33597] " ubizjak at gmail dot com
8 siblings, 0 replies; 10+ messages in thread
From: uros at gcc dot gnu dot org @ 2007-09-30 12:45 UTC (permalink / raw)
To: gcc-bugs
------- Comment #8 from uros at gcc dot gnu dot org 2007-09-30 12:45 -------
Subject: Bug 33597
Author: uros
Date: Sun Sep 30 12:45:32 2007
New Revision: 128891
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=128891
Log:
PR tree-optimization/33597
* tree-vect-analyze.c (vect_build_slp_tree): Check if optab handler
for LSHIFT_EXPR and RSHIFT_EXPR is available for vec_mode.
testsuite/ChangeLog:
PR tree-optimization/33597
* gcc.dg/vect/pr33597.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/vect/pr33597.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-vect-analyze.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33597
^ permalink raw reply [flat|nested] 10+ messages in thread* [Bug tree-optimization/33597] Internal compiler error while compiling libswscale from ffmpeg
2007-09-29 22:57 [Bug c/33597] New: Internal compiler error while compiling libswcale from ffmpeg ismail at pardus dot org dot tr
` (7 preceding siblings ...)
2007-09-30 12:45 ` uros at gcc dot gnu dot org
@ 2007-09-30 12:47 ` ubizjak at gmail dot com
8 siblings, 0 replies; 10+ messages in thread
From: ubizjak at gmail dot com @ 2007-09-30 12:47 UTC (permalink / raw)
To: gcc-bugs
------- Comment #9 from ubizjak at gmail dot com 2007-09-30 12:47 -------
Fixed.
--
ubizjak at gmail dot com changed:
What |Removed |Added
----------------------------------------------------------------------------
URL| |http://gcc.gnu.org/ml/gcc-
| |patches/2007-
| |09/msg02085.html
Status|ASSIGNED |RESOLVED
Component|middle-end |tree-optimization
Resolution| |FIXED
Target Milestone|--- |4.3.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33597
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