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Re: [avr-gcc-list] Can someone benchmark this option please
From: |
Bob Paddock |
Subject: |
Re: [avr-gcc-list] Can someone benchmark this option please |
Date: |
Wed, 23 Jul 2008 10:51:20 -0400 |
On 7/22/08, Andy H <address@hidden> wrote:
> I have noted problem where gcc is optimizing if-then-else constructs - with
> disastrous results.
I inherited a lot of code from the Boss with big if-then-else trees:
> Can folks try the following gcc option
>
> -fno-if-conversion
I find no change with or without the above at -Os:
36,020 Flash, 1399 RAM used on Mega645:
avr-gcc 20080512 4.3.0.
I'm also running with:
CFLAGS += -mcall-prologues
if that maters.