https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83682
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jakub at gcc dot gnu.org --- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Cleaned up testcase: typedef float V __attribute__((__vector_size__(16))); typedef double W __attribute__((__vector_size__(16))); V b; W c; void foo (void *p) { V e = __builtin_ia32_cvtsd2ss (b, c); V g = e; float f = g[0]; __builtin_memcpy (p, &f, sizeof (f)); } Started with r254294.