Re: Legal paperwork for GCC contributions

2014-12-22 Thread Lawrence Velázquez
On Dec 6, 2014, at 8:01 PM, Lawrence Velázquez wrote: > On Nov 23, 2014, at 6:48 PM, Lawrence Velázquez wrote: > >> I recently contributed some fixes against GCC trunk, gcc-4_9-branch, and >> gcc-4_8-branch for which I need the requisite legal paperwork. > > Ping? Ping? Part II vq

Missed optimization case

2014-12-22 Thread Matt Godbolt
Hi all, While digging into some GCC-generated code, I noticed a missed opportunity in GCC that Clang and ICC seem to take advantage of. All versions of GCC (up to 4.9.0) seem to have the same trouble. The following source (for x86_64) shows up the problem: - #include #define add_carry32(sum