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Hello,
On Aug 20, 2009, at 5:43 PM, Matt Thomas wrote:
On Aug 19, 2009, at 8:48 PM, Simon Burge wrote:
Matt Thomas wrote:
Module Name: src
Committed By: matt
Date: Mon Aug 17 18:57:34 UTC 2009
Modified Files:
src/sys/arch/evbmips/gdium: machdep.c
Log Message:
Use mips3_sd instead of two 32bit stores.
Any reason for this? The two reg stores will be faster because of no
function call.
The main (only?) user of mips3_{sd,ld} was the bcm1xxx CPUs which had
some device regs that didn't work with 32-bit load/store and needed a
64-bit load/store.
2 32-bit stores didn't work. a 64-bit one did. :)
sgimips needs it too - some crime registers can only be used with
64bit accesses.
have fun
Michael
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