* How to go for peephole optimizations
@ 2010-02-23 15:39 rohitgeek
2010-02-23 22:00 ` Ian Lance Taylor
0 siblings, 1 reply; 2+ messages in thread
From: rohitgeek @ 2010-02-23 15:39 UTC (permalink / raw)
To: gcc-help
Hi,
Can i get the basic information about applying peephole optimizations when
porting gcc for a new processor. Also how to generate single instruction in
assembly for complex instructions like MAC( multiply and accumulate) instead
of two instructions( mul and add seperate).
Thanks
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* Re: How to go for peephole optimizations
2010-02-23 15:39 How to go for peephole optimizations rohitgeek
@ 2010-02-23 22:00 ` Ian Lance Taylor
0 siblings, 0 replies; 2+ messages in thread
From: Ian Lance Taylor @ 2010-02-23 22:00 UTC (permalink / raw)
To: rohitgeek; +Cc: gcc-help
rohitgeek <rohit23taneja@gmail.com> writes:
> Can i get the basic information about applying peephole optimizations when
> porting gcc for a new processor. Also how to generate single instruction in
> assembly for complex instructions like MAC( multiply and accumulate) instead
> of two instructions( mul and add seperate).
This is all documented in the gcc internals documentation.
http://gcc.gnu.org/onlinedocs/gccint/
Ian
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2010-02-23 15:39 How to go for peephole optimizations rohitgeek
2010-02-23 22:00 ` Ian Lance Taylor
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