[incubator-nuttx] branch master updated: nuttx: Add new config ARM_HAVE_MVE for MVE instruction

[pkarashchenko]

This is an automated email from the ASF dual-hosted git repository.

pkarashchenko pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-nuttx.git


The following commit(s) were added to refs/heads/master by this push:
     new aa0c9fd  nuttx: Add new config ARM_HAVE_MVE for MVE instruction
aa0c9fd is described below

commit aa0c9fd788ec9d1bbe3e900ea89a69d203662079
Author: lishaoen <lisha...@xiaomi.com>
AuthorDate: Thu Nov 18 16:52:55 2021 +0800

    nuttx: Add new config ARM_HAVE_MVE for MVE instruction
    
    Signed-off-by: lishaoen <lisha...@xiaomi.com>
---
 arch/arm/Kconfig                    | 6 ++++++
 arch/arm/src/armv8-m/Toolchain.defs | 6 +++++-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 36f12f4..ef0b98c 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -901,6 +901,12 @@ config ARM_HAVE_NEON
        ---help---
                Decide whether support NEON instruction
 
+config ARM_HAVE_MVE
+       bool
+       default n
+       ---help---
+               Decide whether support MVE instruction
+
 config ARM_FPU_ABI_SOFT
        bool "Soft Float ABI"
        default n
diff --git a/arch/arm/src/armv8-m/Toolchain.defs 
b/arch/arm/src/armv8-m/Toolchain.defs
index 1a8f38e..eee0ba5 100644
--- a/arch/arm/src/armv8-m/Toolchain.defs
+++ b/arch/arm/src/armv8-m/Toolchain.defs
@@ -100,7 +100,11 @@ else ifeq ($(CONFIG_ARCH_CORTEXM35P),y)
   endif
 else ifeq ($(CONFIG_ARCH_CORTEXM55),y)
   TOOLCHAIN_MTUNE    := -mtune=cortex-m55
-  TOOLCHAIN_MARCH    := -march=armv8.1-m.main+dsp
+  ifeq ($(CONFIG_ARM_HAVE_MVE),y)
+    TOOLCHAIN_MARCH  := -march=armv8.1-m.main+mve.fp+fp.dp
+  else
+    TOOLCHAIN_MARCH  := -march=armv8.1-m.main+dsp
+  endif
   ifeq ($(CONFIG_ARCH_FPU),y)
     TOOLCHAIN_MFLOAT := -mfpu=fpv5-d16
   endif