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Re: Assembly generation chnages between compiler versions
- From: Andrew Haley <aph at redhat dot com>
- To: Sharath Manjunatha <shamanju at cisco dot com>
- Cc: gcc-help at gcc dot gnu dot org
- Date: Wed, 25 Jun 2008 12:04:21 +0100
- Subject: Re: Assembly generation chnages between compiler versions
- References: <"29271.15891214391574.sj-webmail-12.cisco.com*"@MHS>
Sharath Manjunatha wrote:
>> The compiler has been substantially rewritten, with new
>> optimization and code generation strategies.
>
> Ok. I do see some changes in the end of function marker in the assembly
> output, between 2.95 and 3.4 compiler. The 2.95 compiler was using .Lef
> whereas 3.4 will use .-<function name>. Why this has been changed, do you
> have any pointer which says about the major changes from 2.95 to 3.4 GCC
> compiler .
Which part of "substantially rewritten" do you find hard to
understand?
Andrew.