--- Comment #2 from andi-gcc at firstfloor dot org 2010-01-03 15:40 ---
An obvious improvement would be to use the non callee clobbered registers
as temporal storage, instead of putting into registers that just get spilled
again. I think one of the other compilers in the comparison
did t
--- Comment #1 from rguenth at gcc dot gnu dot org 2010-01-03 11:27 ---
Confirmed. Well, GCC produces exactly the same code as ICC when using
-O2 -mno-accumulate-outgoing-args -fno-optimize-sibling-calls
-fomit-frame-pointer
Thus the sibcall comes in the way as obviously does -maccumul
