On Thu, Mar 15, 2012 at 3:17 PM, Andi Kleen <a...@firstfloor.org> wrote: >> SSE ABI entries for i?86 in glibc were rejected. I proposed them like >> 4-5 years ago to make -mfpmath=sse not suck. > > With the new libm hopefully this can be revisited. > > But there's the ABI and there's the internal implementation. > > My point was just that relying on x87 fully again does not really make > sense anymore in 2012.
That's true, the return value shuffle to/from the x87 stack might not be too bad for performance, nor argument passing on the stack. Richard.
