This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: REG_N_REFS vs regmove
- To: law at cygnus dot com
- Subject: Re: REG_N_REFS vs regmove
- From: Joern Rennecke <amylaar at cygnus dot co dot uk>
- Date: Fri, 26 Jun 1998 11:23:10 +0100 (BST)
- Cc: egcs-patches at cygnus dot com, wilson at cygnus dot com, amylaar at cygnus dot com
> One could also argue that we should just fix the bloody reference
> counts to be accurate. Doing so might even help register allocation.
I think we should do that - often regmove will eliminate all uese of
a register.
It is costly to allocate registers that we don't need at all.