From: Haavard Skinnemoen <hskinnemoen@atmel.com>
Date: Mon, 10 Mar 2008 11:56:12 +0000 (+0100)
Subject: avr32: Work around byteswap bug in gcc < 4.2
X-Git-Tag: v2.6.25-rc8~74^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bafe68034e3ef5e9f512bd0468001caf34981c41;p=pandora-kernel.git

avr32: Work around byteswap bug in gcc < 4.2

gcc versions earlier than 4.2 sign-extends the result of le16_to_cpu()
and friends when we implement __arch__swabX() using
__builtin_bswap_X(). Disable our arch-specific optimizations when those
gcc versions are being used.

Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
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