* What are the functions of -fno-strict-aliasing,-fno-strength-reduce,-fno-omit-frame-pointer
@ 2000-11-21 22:33 zsz
2000-11-22 9:43 ` Aaron J. Grier
0 siblings, 1 reply; 2+ messages in thread
From: zsz @ 2000-11-21 22:33 UTC (permalink / raw)
To: crossgcc
Hello all,
Why does kernel/Makefile set "-fno-omit-frame-pointer" for sched.c. and I don't also understand "-fno-strict-aliasing" and "-fno-strength-reduce". Who could give me some detailed explanation? thank you very much in advance!
Zhao shengzhe
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: What are the functions of -fno-strict-aliasing,-fno-strength-reduce,-fno-omit-frame-pointer
2000-11-21 22:33 What are the functions of -fno-strict-aliasing,-fno-strength-reduce,-fno-omit-frame-pointer zsz
@ 2000-11-22 9:43 ` Aaron J. Grier
0 siblings, 0 replies; 2+ messages in thread
From: Aaron J. Grier @ 2000-11-22 9:43 UTC (permalink / raw)
To: crossgcc
On Wed, Nov 22, 2000 at 02:34:07PM +0800, zsz wrote:
> Why does kernel/Makefile
which kernel?
> set "-fno-omit-frame-pointer" for sched.c. and I don't also
> understand "-fno-strict-aliasing" and "-fno-strength-reduce". Who
> could give me some detailed explanation? thank you very much in
> advance!
the gcc info pages have detailed explainations of all the -f options.
--
Aaron J. Grier | Frye Electronics, Tigard, OR | aaron@frye.com
"Calling anything from the x86 world a 'masterpiece' seems, to me,
like putting a gold star on the best-looking fingerpainting in the
special-needs Kindergarten class." -- Wakko Warner
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2000-11-22 9:43 ` Aaron J. Grier
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