http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52633
Bug #: 52633 Summary: Compiler ICE in vect_is_simple_use_1 (ARM) Classification: Unclassified Product: gcc Version: 4.7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization AssignedTo: unassig...@gcc.gnu.org ReportedBy: juha.kallioi...@nokia.com Created attachment 26928 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26928 Failing test case Here's another instance of the failure that has been reported before. The attached test case fails when built with -O1 -ftree-vectorize -mfpu=neon This was tested with a compiler built from gcc-4.7-20120225.tar.bz2 sources. ... bin/armv7hl-pc-linux-gnueabi-gcc -O1 -ftree-vectorize -mfpu=neon minimal-testcase.i -c minimal-testcase.i: In function 'lsp_quant_nb': minimal-testcase.i:14:6: internal compiler error: in vect_is_simple_use_1, at tree-vect-stmts.c:6057 Please submit a full bug report, with preprocessed source if appropriate. ... This does not fail with gcc 4.6.3.