MIPS: math-emu: Add support for the MIPS R6 MAX{, A} FPU instruction

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MIPS R6 introduced the following instruction:
Scalar Floating-Point Maximum and
Scalar Floating-Point argument with Maximum Absolute Value
MAX.fmt writes the maximum value of the inputs fs and ft to the
destination fd.
MAXA.fmt takes input arguments fs and ft and writes the argument with
the maximum absolute value to the destination fd.

Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/10961/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

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Markos Chandras 2015-08-13 09:56:36 +02:00 • committed by Ralf Baechle

parent 4e9561b20e

commit a79f5f9ba5

5 changed files with 480 additions and 2 deletions

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4

arch/mips/math-emu/Makefile

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48

arch/mips/math-emu/cp1emu.c

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213

arch/mips/math-emu/dp_fmax.c

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4

arch/mips/math-emu/ieee754.h

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213

arch/mips/math-emu/sp_fmax.c

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