This is the mail archive of the
gcc@gcc.gnu.org
mailing list for the GCC project.
Re: a strange infelicity of register allocation
- To: zack at rabi dot columbia dot edu (Zack Weinberg)
- Subject: Re: a strange infelicity of register allocation
- From: Joern Rennecke <amylaar at cygnus dot co dot uk>
- Date: Mon, 25 Jan 1999 12:55:37 +0000 (GMT)
- Cc: egcs at egcs dot cygnus dot com
> then c gets to stay in a register all the time, and the code runs
> about twice as fast. It seems to me we should be generating identical
> code for both cases.
Reload inheritance follows only the fall-through path of a branch.
This might be the reason for the differences you are seeing.