xiaoxiang781216 commented on a change in pull request #5637:
URL: https://github.com/apache/incubator-nuttx/pull/5637#discussion_r816888660
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File path: arch/arm/src/armv7-a/Toolchain.defs
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@@ -59,18 +59,27 @@ ifeq ($(CONFIG_ARM_THUMB),y)
ARCHCPUFLAGS += -mthumb
endif
-ifeq ($(CONFIG_ARCH_FPU),y)
-ARCHCPUFLAGS += -mfloat-abi=hard
-endif
-
ifeq ($(CONFIG_ARCH_CORTEXA5),y)
-ARCHCPUFLAGS += -mcpu=cortex-a5
+ ARCHCPUFLAGS += -mcpu=cortex-a5
else ifeq ($(CONFIG_ARCH_CORTEXA7),y)
-ARCHCPUFLAGS += -mcpu=cortex-a7
+ ARCHCPUFLAGS += -mcpu=cortex-a7
else ifeq ($(CONFIG_ARCH_CORTEXA8),y)
-ARCHCPUFLAGS += -mcpu=cortex-a8
+ ARCHCPUFLAGS += -mcpu=cortex-a8
else ifeq ($(CONFIG_ARCH_CORTEXA9),y)
-ARCHCPUFLAGS += -mcpu=cortex-a9
+ ARCHCPUFLAGS += -mcpu=cortex-a9
+endif
+
+ifeq ($(CONFIG_ARCH_FPU),y)
+ ifeq ($(CONFIG_ARCH_CORTEXA8),y)
+ ARCHCPUFLAGS += -mfpu=vfpv3-d16
+ else ifeq ($(CONFIG_ARCH_CORTEXA9),y)
+ ARCHCPUFLAGS += -mfpu=vfpv3-d16
+ else
+ # Just for test, let A8 equal to origin flags
+ ARCHCPUFLAGS += -mfloat-abi=hard -mfpu=vfpv4-d16
Review comment:
why
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