zhangyu-duck commented on code in PR #21088:
URL: https://github.com/apache/nuttx/pull/21088#discussion_r4419796218
##########
libs/libc/machine/tricore/Make.defs:
##########
@@ -24,9 +24,85 @@ ifeq ($(CONFIG_LIBC_ATOMIC_ARCH),y)
CSRCS += arch_atomic.c
endif
+ifeq ($(CONFIG_TRICORE_TOOLCHAIN_TASKING),y)
+TRICORE_SUBDIR = tasking
+else
+TRICORE_SUBDIR = gnu
+endif
+
+AFLAGS +=
${INCDIR_PREFIX}$(TOPDIR)$(DELIM)libs$(DELIM)libc$(DELIM)machine$(DELIM)tricore
+
+# The optimized assembly routines use TC1.8 instructions (e.g. ld.dd/st.dd
+# quad-word access). Force the assembler to target TC1.8 so the build does
+# not depend on the board's ambient platform flags.
+
+AFLAGS += -Wa,-mtc18
Review Comment:
ye, i remove this, and this pr is for tc4 Optimization, have no effect for
tc3 because it is controlled by Kconfig
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