------- 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