http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53590
--- Comment #4 from Georg <georggcc at googlemail dot com> 2012-06-11 10:31:00 UTC --- (In reply to comment #3) > (In reply to comment #2) > > > Other versions of the Ada compiler, and the C compiler, > > > and the C++ compiler of the same version produce > > > 1 DIVPD instruction, as expected. > > > > Which other versions of the Ada compiler exactly? > > For example, GNAT GPL 2011 on Mac OS X 10.7.4; Small note: Same sequence of instructions from GNAT GPL 2011 running on x86_64 Linux/GNU: 0000000000000010 <autovect__f>: 10: 66 0f 14 c1 unpcklpd %xmm1,%xmm0 14: 66 0f 14 d3 unpcklpd %xmm3,%xmm2 18: 66 0f 5e c2 divpd %xmm2,%xmm0 1c: 66 0f 29 44 24 e8 movapd %xmm0,-0x18(%rsp) 22: f2 0f 10 44 24 e8 movsd -0x18(%rsp),%xmm0 28: f2 0f 10 4c 24 f0 movsd -0x10(%rsp),%xmm1 2e: c3 retq 2f: 90 nop Intel(R) Xeon(R) CPU E5645 @ 2.40GHz
