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Re: [PATCH roland/arm-memcpy] ARM: Make multiarch memcpy always use NEON when compiler does
- From: "Joseph S. Myers" <joseph at codesourcery dot com>
- To: Roland McGrath <roland at hack dot frob dot com>
- Cc: <libc-ports at sourceware dot org>
- Date: Mon, 13 May 2013 23:12:38 +0000
- Subject: Re: [PATCH roland/arm-memcpy] ARM: Make multiarch memcpy always use NEON when compiler does
- References: <20130513224722 dot 9F17C2C05E at topped-with-meat dot com>
On Mon, 13 May 2013, Roland McGrath wrote:
> When the compiler is emitting NEON instructions anyway, there is no point
> in using IFUNC when we can just use the NEON memcpy unconditionally.
>
> Tested on armv7l-linux-gnueabihf with CC='gcc -mfpu=neon',
> no check-abi failures, no regressions in 'make check subdirs=string'.
OK.
--
Joseph S. Myers
joseph@codesourcery.com