From: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com>
Date: Thu, 7 Nov 2013 12:48:28 +0000 (+0000)
Subject: MIPS: math-emu: Add mfhc1 & mthc1 support.
X-Git-Tag: v3.14-rc1~37^2~138
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1ac944007bede6d6f934831959b0e2b65c82d291;p=pandora-kernel.git

MIPS: math-emu: Add mfhc1 & mthc1 support.

This patch adds support for the mfhc1 & mthc1 instructions to the FPU
emulator. These instructions were introduced in release 2 of the MIPS32
& MIPS64 architectures and allow access to the most significant 32 bits
of a 64-bit FP register.

[ralf@linux-mips.org: Fix ifdef hell added by original patch.]

Signed-off-by: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com>
Signed-off-by: Steven J. Hill <Steven.Hill@imgtec.com>
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/6112/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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