This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: ppc64 floating point usage [was Re: PPC64 Compiler bug !!]


On Fri, Jun 13, 2003 at 04:00:39PM -0400, David Edelsohn wrote:
> 	Have you tested the change in allocation order patch on floating
> point intensive code?
> 
> 	How does this affect the register allocation for moves of floating
> point values?  Does GCC now prefer GPRs?

I guess best would be if GCC could dynamically switch the reg alloc orders
based on whether FPRs will be used anyway or whether current function is
pure integer code.

	Jakub


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]