MIPS: math-emu: Add support for the MIPS R6 CLASS FPU instruction

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MIPS R6 introduced the following instruction:
Stores in fd a bit mask reflecting the floating-point class of the
floating point scalar value fs.

CLASS.fmt: FPR[fd] = class(FPR[fs])

Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/10959/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

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Markos Chandras 2015-08-13 09:56:34 +02:00 • committed by Ralf Baechle

parent 400bd2e413

commit 38db37ba06

5 changed files with 138 additions and 2 deletions

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4

arch/mips/math-emu/Makefile

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24

arch/mips/math-emu/cp1emu.c

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55

arch/mips/math-emu/dp_2008class.c

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2

arch/mips/math-emu/ieee754.h

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55

arch/mips/math-emu/sp_2008class.c

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