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MIPS: math-emu: Add support for the MIPS R6 MSUBF FPU instruction
authorMarkos Chandras <markos.chandras@imgtec.com>
Thu, 13 Aug 2015 07:56:32 +0000 (09:56 +0200)
committerRalf Baechle <ralf@linux-mips.org>
Thu, 3 Sep 2015 10:08:13 +0000 (12:08 +0200)
commit83d43305a1df2aa2976e3ccf012e4cf0dc29673d
tree0cb65c74cbe19e526aff633130e253355bcc3ce9tree | snapshot
parente24c3bec3e8e254a3784b3e4c97bd3a76fbcc807commit | diff
MIPS: math-emu: Add support for the MIPS R6 MSUBF FPU instruction

MIPS R6 introduced the following instruction:
Floating Point Fused Multiply Subtract:
MSUBF.fmt To perform a fused multiply-subtract of FP values.

MSUBF.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/10957/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
arch/mips/math-emu/Makefile diff | blob | history
arch/mips/math-emu/cp1emu.c diff | blob | history
arch/mips/math-emu/dp_msubf.c [new file with mode: 0644] blob
arch/mips/math-emu/ieee754.h diff | blob | history
arch/mips/math-emu/sp_msubf.c [new file with mode: 0644] blob
Domain: System / Kernel;