Re: Code optimization <LEA Instruction>

From: almesber@lrc.di.epfl.ch
Date: Fri Jan 28 2000 - 08:05:18 EST

Next message: Ivan Kokshaysky: "Re: 2.2.15pre4 VM fix"
Previous message: Jamie Lokier: "Re: <linux/linkage.h> generates incorrect cache alignments for 486and above"
In reply to: Richard B. Johnson: "Re: Code optimization <LEA Instruction>"
Next in thread: H. Peter Anvin: "Re: Code optimization <LEA Instruction>"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

Richard B. Johnson wrote:
> I state that the newer 'C' versions are using LEA abitrarily for
> arithmetic on index registers.

I guess this is where the disagreement is. Why don't you just show Alan
some C code that egcs translates into the sequence of LEAs you've shown
in your example ?

- Werner

-- _________________________________________________________________________ / Werner Almesberger, ICA, EPFL, CH werner.almesberger@ica.epfl.ch / /_IN_N_032__Tel_+41_21_693_6621__Fax_+41_21_693_6610_____________________/

- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/

Next message: Ivan Kokshaysky: "Re: 2.2.15pre4 VM fix"
Previous message: Jamie Lokier: "Re: <linux/linkage.h> generates incorrect cache alignments for 486and above"
In reply to: Richard B. Johnson: "Re: Code optimization <LEA Instruction>"
Next in thread: H. Peter Anvin: "Re: Code optimization <LEA Instruction>"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

This archive was generated by hypermail 2b29 : Mon Jan 31 2000 - 21:00:20 EST