http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44332
serowk at yandex dot ru changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |serowk at yandex dot ru --- Comment #3 from serowk at yandex dot ru 2010-12-17 16:13:45 UTC --- Appears with arm-iwmmx-linux-uclibcgnueabi-gcc 4.4.5 1.c: #include <mmintrin.h> #include <stdint.h> #include <stdio.h> __m64 do_some(__m64 a, int64_t count) { return _mm_srli_pi16(a, count); } int main() { __m64 a=(__m64)222LL; int64_t b=8; b=(int64_t)do_some(a, b); printf("%lli\n", b); return 0; } $ arm-iwmmx-linux-uclibcgnueabi-gcc 1.c -flax-vector-conversions In file included from 1.c:1: /opt/arm-iwmmx-linux-uclibcgnueabi/lib/gcc/arm-iwmmx-linux-uclibcgnueabi/4.4.5/include/mmintrin.h: In function '_mm_srli_pi16': /opt/arm-iwmmx-linux-uclibcgnueabi/lib/gcc/arm-iwmmx-linux-uclibcgnueabi/4.4.5/include/mmintrin.h:526: internal compiler error: in copy_to_mode_reg, at explow.c:623 Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions.