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Re: PATCH: Enable TARGET_HAS_SINCOS if x87 FPU fsincos is available


On 8/30/10 6:40 PM, H.J. Lu wrote:
Hi,

Also
x86 Bionic C library doesn't provide sincos and we shouldn't enable
TARGET_HAS_SINCOS with OPTION_BIONIC on x86.

To be more precise, Bionic doesn't currently implement sincos() for any of the architectures, not just x86.


When I was working on adding Bionic support to GCC, David Turner (Bionic's lead, CC'ed) planned on adding sincos() to Bionic in the near term specifically to enable GCC's sincos optimization.

David,

What are Bionic's plans on supporting sincos()? Growing number of users are now trying out what will become GCC 4.6 and it is becoming important for GCC and Bionic to be on the same page regarding available features.

Thanks,

--
Maxim Kuvyrkov
CodeSourcery
maxim@codesourcery.com
(650) 331-3385 x724


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