Re: Local variables optimization

2005-07-23 Thread Hanzac Chen
Ian Lance Taylor wrote: You neglected to mention which version of gcc you were using, or which target. The description and test case sound like GCC PR 9997: http://gcc.gnu.org/PR9997 which was fixed for the 4.0 release. Sorry, I'm using GCC 3.4.4, haven't tested on 4.0.X. I saw the PR 9997,

Re: Local variables optimization

2005-07-23 Thread Ian Lance Taylor
Hanzac Chen <[EMAIL PROTECTED]> writes: > Some idea: Maybe local stack use in the code compiled by GCC should be > optimized 'cause some local variables are conditional. If the condition > is not satisfied, then these variables don't need to be allocated from > the stack (e.g. sub $VAR_SIZE, %esp)