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

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>

diff --git a/arch/mips/math-emu/Makefile b/arch/mips/math-emu/Makefile
index 2e5f962..c40816f 100644 (file)
--- a/arch/mips/math-emu/Makefile
+++ b/arch/mips/math-emu/Makefile
@@ -4,9 +4,9 @@
 
 obj-y  += cp1emu.o ieee754dp.o ieee754sp.o ieee754.o \
           dp_div.o dp_mul.o dp_sub.o dp_add.o dp_fsp.o dp_cmp.o dp_simple.o \
-          dp_tint.o dp_fint.o \
+          dp_tint.o dp_fint.o dp_maddf.o \
           sp_div.o sp_mul.o sp_sub.o sp_add.o sp_fdp.o sp_cmp.o sp_simple.o \
-          sp_tint.o sp_fint.o \
+          sp_tint.o sp_fint.o sp_maddf.o \
           dsemul.o
 
 lib-y  += ieee754d.o \

diff --cc arch/mips/math-emu/cp1emu.c
Simple merge

diff --cc arch/mips/math-emu/dp_maddf.c
Simple merge

diff --cc arch/mips/math-emu/ieee754.h
Simple merge

diff --cc arch/mips/math-emu/sp_maddf.c
Simple merge