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Problem building native GCC 2.95.2 within Cygwin 1.1.4
- To: cygwin at sourceware dot cygnus dot com
- Subject: Problem building native GCC 2.95.2 within Cygwin 1.1.4
- From: "Dennis Moolenaar x5289" <Dennis dot Moolenaar at nsc dot com>
- Date: Thu, 31 Aug 2000 09:54:45 -0700
- Organization: National Semiconductor
- References: <001701c01314$54c38fb0$92d698d1@hotrod><84251635012.20000831104227@logos-m.ru>
- Reply-to: Dennis dot Moolenaar at nsc dot com
Hi,
I am trying to build GCC 2.95.2 (from gcc-2.95.2-2-src.tar.gz) on Cygwin 1.1.4.
This works but the resulting compiler generates different code than the gcc
compiler which comes with Cygwin 1.1.4. Both compile the same file with
the same options(-march=i486 -O3 -S etc....) So far the difference seems to be
scheduling but it impact performance.
Could someone tell me how I can build exactly the same compiler as shipped with
Cygwin 1.1.4.
Reason for this is that I have a different x86 architecture and I want to tweak
the 386.md file a tiny bit but this is meaningless if the resulting code is not
comparable
with the 'original' gcc...................
Any input is greatly appreciated.
Dennis
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