Compiler barfs on this code compiled -march=iwmmxt typedef short vs __attribute__ ((vector_size (8)));
void foo (vs * a) { a[0] = __builtin_arm_wsllhi (a[0], 1); } gcc -v output Using built-in specs. Target: arm-iwmmxt-elf Configured with: /home/eliot/mu/build/../gcc/configure --target=arm-iwmmxt-elf --libdir=/home/eliot/mu/build/tools/lib --prefix=/home/eliot/mu/build/tools --disable-nls --disable-multilib --disable-libmudflap --disable-libssp --disable-shared --enable-languages=c --enable-threads=single --with-arch=iwmmxt --with-abi=iwmmxt Thread model: single gcc version 4.3.1 (GCC) -- Summary: arm iwmmxt builtin problem Product: gcc Version: 4.3.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: eliot at sonic dot net GCC host triplet: x86_64-linux GCC target triplet: arm-elf http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36966