------- Comment #1 from ubizjak at gmail dot com 2007-12-04 07:04 -------
Confirmed as 4.3 regression; latest mainline is a bit more informative:
gcc -O2 -msse -ftree-vectorize
pr34329.c: In function âtestâ:
pr34329.c:4: error: control flow in the middle of basic block 2
pr34329.c:4: error: control flow in the middle of basic block 2
pr34329.c:4: error: control flow in the middle of basic block 2
pr34329.c:4: error: control flow in the middle of basic block 2
pr34329.c:4: error: control flow in the middle of basic block 2
pr34329.c:4: error: control flow in the middle of basic block 2
pr34329.c:4: error: control flow in the middle of basic block 2
pr34329.c:4: error: control flow in the middle of basic block 2
pr34329.c:4: error: control flow in the middle of basic block 2
pr34329.c:4: error: control flow in the middle of basic block 2
pr34329.c:4: error: control flow in the middle of basic block 2
pr34329.c:4: error: control flow in the middle of basic block 2
pr34329.c:4: error: control flow in the middle of basic block 3
pr34329.c:4: error: control flow in the middle of basic block 3
pr34329.c:4: error: control flow in the middle of basic block 3
pr34329.c:4: error: control flow in the middle of basic block 3
pr34329.c:4: error: control flow in the middle of basic block 3
pr34329.c:4: error: control flow in the middle of basic block 3
pr34329.c:4: internal compiler error: verify_flow_info failed
Please submit a full bug report <...>
--
ubizjak at gmail dot com changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Component|middle-end |tree-optimization
Ever Confirmed|0 |1
Last reconfirmed|0000-00-00 00:00:00 |2007-12-04 07:04:06
date| |
Summary|ICE/segfault with -O2 -msse |[4.3 regression] ICE in
|-ftree-vectorize on very |verify_flow_info with -O2 -
|simple code |msse -ftree-vectorize on
| |very simple code
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34329
