http://llvm.org/bugs/show_bug.cgi?id=9727
Summary: -O2 -ftree-vectorize
-fplugin-arg-dragonegg-enable-gcc-optzns fails to
compile utils.c
Product: dragonegg
Version: trunk
Platform: Macintosh
OS/Version: MacOS X
Status: NEW
Severity: normal
Priority: P
Component: New Bugs
AssignedTo: baldrick at free.fr
ReportedBy: howarth at nitro.med.uc.edu
CC: llvmbugs at cs.uiuc.edu
Created an attachment (id=6475)
--> (http://llvm.org/bugs/attachment.cgi?id=6475)
preprocessed source file for src/utils.c
The src/utils.c source file from Athena 4.0 fails to compile with -O2
-ftree-vectorize -fplugin-arg-dragonegg-enable-gcc-optzns under dragonegg trunk
svn at r129512 under x86_64-apple-darwin10. The failure appears as...
[MacPro:~/Downloads/athena4.0/src] howarth% de-gcc45 -O2 -ftree-vectorize
-fplugin-arg-dragonegg-enable-gcc-optzns --save-temps -c utils.c
vect_perm_even.146_131 = VEC_EXTRACTEVEN_EXPR <vect_var_.144_128,
vect_var_.145_130>;
Unhandled GIMPLE assignment!
UNREACHABLE executed at
/sw/src/fink.build/dragonegg-gcc45-2.9-1/include/dragonegg/Internals.h:116!
*** WARNING *** there are active plugins, do not report this as a bug unless
you can reproduce it without enabling any plugins.
Event | Plugins
PLUGIN_FINISH_UNIT | dragonegg
PLUGIN_FINISH | dragonegg
PLUGIN_START_UNIT | dragonegg
utils.c: In function ‘ath_bswap’:
utils.c:72:6: internal compiler error: Illegal instruction
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
and is eliminated without -ftree-vectorize.
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