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Re: [PATCH][ARM] optimizing _muldi3 for Thumb
ping ping ping. This patch was sent out in July first. Could someone
please review this?
-Doug
2008/7/14 Doug Kwan (關振德) <dougkwan@google.com>:
> ping^2
>
> -Doug
>
> 2008/7/8 Doug Kwan (關振德) <dougkwan@google.com>:
>> ping
>>
>> 2008/7/1 Doug Kwan (關振德) <dougkwan@google.com>:
>>> Hi
>>>
>>> This patch adds an ARM assembly implementation for _muldi3. In
>>> current gcc, thumb code calls the generic version in libgcc2.c and
>>> generated code from C is not efficient. The thumb version is 53
>>> instructions long. The patch implements _muldi3 in just 6 ARM
>>> instructions.
>>>
>>> This has been tested in arm-none-eabi.
>>>
>>> -Doug
>>>
>>> 2008-07-01 Doug Kwan <dougkwan@google.com>
>>>
>>> * config/arm/lib1funcs.asm (muldi3): New.
>>> * config/arm/t-strongarm-elf (LIB1ASFUNCS): Add _muldi3.
>>> * config/arm/t-vxworks: Same.
>>> * config/arm/t-pe: Same.
>>> * config/arm/t-arm-elf: Same.
>>> * config/arm/t-arm-coff: Same.
>>> * config/arm/t-linux: Same.
>>> * config/arm/t-symbian: Same.
>>> * config/arm/t-wince-pe: Same.
>>>
>>
>