Bug 10201 - egcs-1.1.2-24 does not define __i586__ and __i686__ preprocessor flags.
egcs-1.1.2-24 does not define __i586__ and __i686__ preprocessor flags.
Product: Red Hat Linux
Classification: Retired
Component: egcs (Show other bugs)
All Linux
medium Severity medium
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Assigned To: Jakub Jelinek
Depends On:
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Reported: 2000-03-16 03:46 EST by nkbj
Modified: 2008-05-01 11:37 EDT (History)
0 users

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Doc Type: Bug Fix
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Last Closed: 2000-05-22 10:49:06 EDT
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Description nkbj 2000-03-16 03:46:12 EST
egcs-1.1.2-24 (Red Hat Linux 6.1) does not define the __i586__ or __i686__
preprocessor flags when the -march=i586 or -march=i686 command line
switches are used. They define the flags __pentium__/__pentiumpro__ in
stead. I think they should define both, as this can lead to miscompiled
kernels and other problems (see e.g. linux/include/linux/linkage.h).
Comment 1 Cristian Gafton 2000-05-22 10:49:59 EDT
assigned to jakub
Comment 2 Jakub Jelinek 2000-09-04 10:28:08 EDT
gcc 2.95 and 2.96 behaves the same way and I think it is right, just all
programs should use __pentium__/__pentiumpro__/__k6__/__athlon__ defines
and their __tune_ variants. linux/linkage.h has been changed since then
in 2.4, btw.

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