diff options
| author | Markos Chandras <markos.chandras@imgtec.com> | 2015-08-13 10:56:32 +0300 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2015-09-03 13:08:13 +0300 |
| commit | 83d43305a1df2aa2976e3ccf012e4cf0dc29673d (patch) | |
| tree | 0cb65c74cbe19e526aff633130e253355bcc3ce9 /arch/mips/math-emu/ieee754.h | |
| parent | e24c3bec3e8e254a3784b3e4c97bd3a76fbcc807 (diff) | |
| download | linux-83d43305a1df2aa2976e3ccf012e4cf0dc29673d.tar.xz | |
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>
Diffstat (limited to 'arch/mips/math-emu/ieee754.h')
| -rw-r--r-- | arch/mips/math-emu/ieee754.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/mips/math-emu/ieee754.h b/arch/mips/math-emu/ieee754.h index 4e025f9e220c..8c780190a059 100644 --- a/arch/mips/math-emu/ieee754.h +++ b/arch/mips/math-emu/ieee754.h @@ -77,6 +77,8 @@ union ieee754sp ieee754sp_sqrt(union ieee754sp x); union ieee754sp ieee754sp_maddf(union ieee754sp z, union ieee754sp x, union ieee754sp y); +union ieee754sp ieee754sp_msubf(union ieee754sp z, union ieee754sp x, + union ieee754sp y); /* * double precision (often aka double) @@ -104,6 +106,8 @@ union ieee754dp ieee754dp_sqrt(union ieee754dp x); union ieee754dp ieee754dp_maddf(union ieee754dp z, union ieee754dp x, union ieee754dp y); +union ieee754dp ieee754dp_msubf(union ieee754dp z, union ieee754dp x, + union ieee754dp y); /* 5 types of floating point number |