This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: flow fixes
- To: Nick Clifton <nickc at cygnus dot com>
- Subject: Re: flow fixes
- From: Richard Henderson <rth at cygnus dot com>
- Date: Thu, 13 Jan 2000 18:51:17 -0800
- Cc: gcc-patches at gcc dot gnu dot org
- References: <200001132303.PAA27298@elmo.cygnus.com>
On Thu, Jan 13, 2000 at 03:03:17PM -0800, Nick Clifton wrote:
> * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
> register to prevent compile time warnings.
That would be incorrect. You're papering around a problem
elsewhere. Stop and think _why_ they might be considered
unused. Recall that flow really does understand about the
concept of epilogues and restoring call-saved registers.
r~