Re: [U-Boot] [PATCH] ARM: Add comments why -msoft-float is used.

2011-02-20 Thread Wolfgang Denk
Dear Alexander Holler, In message 1298171532-5296-1-git-send-email-hol...@ahsoftware.de you wrote: Without -msoft-float the compiler would be allowed to use certain floating-point instructions (VFP/NEON) e.g. for optimizations, which would require additional code, for example to save contexts

Re: [U-Boot] [PATCH] ARM: Add comments why -msoft-float is used.

2011-02-20 Thread Alexander Holler
Am 20.02.2011 09:42, schrieb Wolfgang Denk: Dear Alexander Holler, In message1298171532-5296-1-git-send-email-hol...@ahsoftware.de you wrote: Without -msoft-float the compiler would be allowed to use certain floating-point instructions (VFP/NEON) e.g. for optimizations, which would require

Re: [U-Boot] [PATCH] ARM: Add comments why -msoft-float is used.

2011-02-20 Thread Alexander Holler
Am 20.02.2011 10:39, schrieb Alexander Holler: # -msoft-float forces the compiler to avoid any fp-related instructions for optimizations. Would that be better? Anyway, I don't care about that patch. I now know the reason. ;) Btw, isn't soft-float useless on ARM when armv5 is used as

Re: [U-Boot] [PATCH] ARM: Add comments why -msoft-float is used.

2011-02-20 Thread Alexander Holler
Am 20.02.2011 10:52, schrieb Alexander Holler: Am 20.02.2011 10:39, schrieb Alexander Holler: # -msoft-float forces the compiler to avoid any fp-related instructions for optimizations. Would that be better? Anyway, I don't care about that patch. I now know the reason. ;) Btw, isn't

Re: [U-Boot] [PATCH] ARM: Add comments why -msoft-float is used.

2011-02-20 Thread Wolfgang Denk
Dear Alexander Holler, In message 4d60e16e.1060...@ahsoftware.de you wrote: I don't know how other the compiler behaves for other architectures and if those are having the need to save fp-contexts for irqs. I thought I had explained this again in recent postings, not to mention the times I

Re: [U-Boot] [PATCH] ARM: Add comments why -msoft-float is used.

2011-02-20 Thread Eric Cooper
On Sun, Feb 20, 2011 at 11:20:07AM +0100, Wolfgang Denk wrote: [...] or feel free to create a doc/README.toolchain or similar that can then also be used to document things like linker options, information about known issues, etc. +1 for a README.toolchain file. -- Eric Cooper e c

Re: [U-Boot] [PATCH] ARM: Add comments why -msoft-float is used.

2011-02-20 Thread Alexander Holler
On 20.02.2011 11:20, Wolfgang Denk wrote: No, not at all, because the only additional information about what Thanks, at least I tried it. Regards, Alexander ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot

Re: [U-Boot] [PATCH V2] arm: Use optimized memcpy and memset from linux

2011-02-20 Thread Alexander Holler
Hello, Am 26.01.2011 11:45, schrieb Matthias Weisser: Using optimized versions of memset and memcpy from linux brings a quite noticeable speed (x2 or better) improvement for these two functions. Thanks, tested on armv5 and armv7, therefor Tested-by: Alexander Holler hol...@ahsoftware.de

[U-Boot] some question

2011-02-20 Thread nice
hello,everyone ! I am a beginner of linux and linux on powerpc,so I have many questions when I am porting linux to my cunstom board with an mpc8641d processer. First, I compiled the u-boot with the default configuration of the SBC8641D board, and then I compiled the kernel and got a kernel image,

[U-Boot] Pull request: u-boot-arm

2011-02-20 Thread Albert ARIBAUD
Hi Wolfgang, Please pull the following from u-boot-arm/master. Amicalement, Albert. The following changes since commit c650e1be41536a453d115e6b73898fa5dabdadc2: Fix compile warning in net/eth.c (2011-02-19 20:32:38 +0100) are available in the git repository at:

[U-Boot] at91sam9263ek version

2011-02-20 Thread Uli Raich
Hi all, I just sent patches for the at91sam9263ek version based on the rework110218 branch of the u-boot-atmel rework. This is the first time I send patches to the list. So... please bare with me if I did something wrongly. The only board I have to test things on, is an armputer-vmax board from