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Re: Control flow implementation in assembler
- To: Ian Lance Taylor <ian at zembu dot com>
- Subject: Re: Control flow implementation in assembler
- From: Lynn Winebarger <owinebar at free-expression dot org>
- Date: Wed, 15 Mar 2000 21:44:07 -0500 (EST)
- cc: binutils at sourceware dot cygnus dot com
On 15 Mar 2000, Ian Lance Taylor wrote:
> To do this correctly within a single file, you need to build a control
> flow graph. Nothing in the assembler does that right now. Still,
> it's not that hard. Just record labels, branches, instruction counts,
> and uses of the Q register.
>
Actually, a control flow graph can be pretty damn hard to build. At
least one that captures all possible control flow, and not just what's
"statically" there. Really depends on how accurate you want it, and how
the assembly code was generated.
Lynn