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commit 90f24ec29d0731cdda4b1db14ec73a87d88c50bf
Author: chao an <anc...@lixiang.com>
AuthorDate: Mon Jan 15 20:48:09 2024 +0800
arch/risc-v: add ARCH_QPFPU for Quad-Precision Floating-Point
new options to enable toolchain support for quadruple precision
(128 bits or 16 bytes) floating point if both the toolchain and
the hardware support it.
Signed-off-by: chao an <anc...@lixiang.com>
---
arch/Kconfig | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/arch/Kconfig b/arch/Kconfig
index 75969c7049..3173dcf3ab 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -440,6 +440,11 @@ config ARCH_HAVE_DPFPU
default n
select ARCH_HAVE_FPU
+config ARCH_HAVE_QPFPU
+ bool
+ default n
+ select ARCH_HAVE_DPFPU
+
config ARCH_HAVE_LAZYFPU
bool
default n
@@ -577,6 +582,14 @@ config ARCH_DPFPU
Enable toolchain support for double precision (64-bit) floating
point if both the toolchain and the hardware support it.
+config ARCH_QPFPU
+ bool "Quad-Precision FPU support"
+ default y
+ depends on ARCH_FPU && ARCH_HAVE_DPFPU && ARCH_HAVE_QPFPU
+ ---help---
+ Enable toolchain support for quadruple precision (128 bits or
16 bytes) floating
+ point if both the toolchain and the hardware support it.
+
config ARCH_LAZYFPU
bool "Enable lazy FPU state save / restore"
default n
