http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51534
--- Comment #1 from Ryan Mansfield <rmansfield at qnx dot com> 2011-12-13 19:47:28 UTC --- I truncated the actual error emitted by the assembler. $ ./xgcc -B. -O3 -ftree-vectorize -mfpu=neon -mfloat-abi=softfp ~/foo.c -march=armv7-a -c /tmp/ccCPCd9Z.s: Assembler messages: /tmp/ccCPCd9Z.s:30: Error: bad type in Neon instruction -- `vcgt.u32 q11,q9,#0'