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Re: -fexceptions and C: Performance penalties?
- To: Joern Rennecke <amylaar at cygnus dot co dot uk>, law at cygnus dot com
- Subject: Re: -fexceptions and C: Performance penalties?
- From: Richard Henderson <rth at cygnus dot com>
- Date: Tue, 25 May 1999 21:43:25 -0700
- Cc: george at moberg dot com, egcs at egcs dot cygnus dot com
- References: <12225.926635341@upchuck.cygnus.com> <199905140010.BAA08189@phal.cygnus.co.uk>
On Fri, May 14, 1999 at 01:10:45AM +0100, Joern Rennecke wrote:
> Not just global optimizations - some basic-block scope optimizations are
> also less powerful because they assume that any call insn could end a
> basic block.
Those are just broken, and should be fixed to use the flow info.
r~