Re: Instruction Scheduling and GCC 4.0...
Re: Instruction Scheduling and GCC 4.0...
- Subject: Re: Instruction Scheduling and GCC 4.0...
- From: Mark Bessey <email@hidden>
- Date: Wed, 20 Jul 2005 11:32:11 -0700
On Jul 20, 2005, at 11:23 AM, Dave Thorup wrote:
I just noticed the following in the description for the
"Instruction Scheduling" build setting:
Optimize instruction scheduling for this CPU. Generated code will
run on older processors. Only applies to GCC 3.3.
[GCC_MODEL_TUNING, -mtune=<cpu>] (emphasis mine)
Does this really only apply to GCC 3.3 and not GCC 4.0? Or should
that read "Only applies to GCC 3.3 and later"? I also noticed the
same thing for "Use 64-bit Integer Math." That setting also says
that it "Only applies to GCC 3.3." Is this really the case for
these settings? Do they really not work under GCC 4.0? And if so,
then why?
Yes, anywhere you see "only applies to GCC 3.3, you can substitute
"only applies to GCC 3.3 and later".
-Mark
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