--- Comment #9 from paolo dot bonzini at lu dot unisi dot ch 2006-08-10
08:04 ---
Subject: Re: sincos can be folded at the tree
level
> If this PR was only about x87 using fsincos for sincos this is fixed now.
Well, it was mostly about getting rid of TREE_ADDRESSABLE, which you can
--- Comment #8 from rguenth at gcc dot gnu dot org 2006-08-10 07:41 ---
I implemented the expander to allow the x87 backend using fsincos for it. The
problems (TREE_ADDRESSABLE, no real folding, no CSE with previous sin/cos)
still exist. I had/have (I don't remember if I submitted them
--- Comment #7 from bonzini at gnu dot org 2006-08-10 06:28 ---
Was this implemented? There is an expand_builtin_sincos, but I think it cannot
remove TREE_ADDRESSABLE on the arguments, making most of the performance
advantages go away...
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?