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

Browse source

MIPS R6 introduced the following instruction:
Floating Point Fused Multiply Add:
MADDF.fmt To perform a fused multiply-add of FP values.

MADDF.fmt: FPR[fd] = FPR[fd] + (FPR[fs] x FPR[ft])

Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/10956/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

...

This commit is contained in:

Markos Chandras 2015-08-13 09:56:31 +02:00 • committed by Ralf Baechle

parent 130fe357ee

commit e24c3bec3e

5 changed files with 553 additions and 2 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

4

arch/mips/math-emu/Makefile

View file

26

arch/mips/math-emu/cp1emu.c

View file

265

arch/mips/math-emu/dp_maddf.c

View file

5

arch/mips/math-emu/ieee754.h

View file

255

arch/mips/math-emu/sp_maddf.c

View file