This is the mail archive of the gcc-help@gcc.gnu.org mailing list for the GCC project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]
Other format:	[Raw text]

Re: gcc optimisation problem

From: Jonathan Wakely <jwakely dot gcc at gmail dot com>
To: vikramsp <vikram2rhyme at gmail dot com>
Cc: gcc-help at gcc dot gnu dot org
Date: Wed, 6 Apr 2011 18:27:10 +0100
Subject: Re: gcc optimisation problem
References: <31332634.post@talk.nabble.com> <BANLkTikD1gZA8L8wNsVw4y8DAYmy42VBOQ@mail.gmail.com> <31332890.post@talk.nabble.com>

On 6 April 2011 13:48, vikramsp wrote:
>
>  please help me.

I tried!  Please re-read what I said ....


> Jonathan Wakely-4 wrote:
>>
>> On 6 April 2011 13:13, vikramsp wrote:
>>>
>>> hello there... i am trying my hands on gcc optimisations options.
>>> i tried e.g. -finline-functions, -funroll-loops and the likes but none
>>> worked for me
>>
>> Are you also using -O ?
>>
>> As documented in the manual
>> "Most optimizations are only enabled if an -O level is set on the
>> command line. Otherwise they are disabled, even if individual
>> optimization flags are specified. "
>>
>> http://gcc.gnu.org/onlinedocs/gcc-4.6.0/gcc/Optimize-Options.html
>>

References:
- gcc optimisation problem
  - From: vikramsp
- Re: gcc optimisation problem
  - From: Jonathan Wakely
- Re: gcc optimisation problem
  - From: vikramsp

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]