The related warning:
g++ -c -DIN_GCC_FRONTEND -g -O2 -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE
-fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing
-Wwrite-strings -Wcast-qual -Wmissing-format-attribute -Woverloaded-virtual
-pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings
-fno-common -DHAVE_CONFIG_H -I. -Ic-family -I../../gcc-c6x/gcc
-I../../gcc-c6x/gcc/c-family -I../../gcc-c6x/gcc/../include
-I../../gcc-c6x/gcc/../libcpp/include -I../../gcc-c6x/gcc/../libdecnumber
-I../../gcc-c6x/gcc/../libdecnumber/dpd -I../libdecnumber
-I../../gcc-c6x/gcc/../libbacktrace -o c-family/c-cppbuiltin.o -MT
c-family/c-cppbuiltin.o -MMD -MP -MF c-family/.deps/c-cppbuiltin.TPo
../../gcc-c6x/gcc/c-family/c-cppbuiltin.c
In file included from ./tm.h:16:0,
from ../../gcc-c6x/gcc/c-family/c-cppbuiltin.c:23:
../../gcc-c6x/gcc/c-family/c-cppbuiltin.c: In function ‘void
c_cpp_builtins(cpp_reader*)’:
../../gcc-c6x/gcc/config/c6x/c6x.h:85:14: warning: enumeration value
‘unk_isa’ not handled in switch [-Wswitch]
switch (c6x_arch) \
^../../gcc-c6x/gcc/c-family/c-cppbuiltin.c:1243:3: note: in
expansion of macro ‘TARGET_CPU_CPP_BUILTINS’
TARGET_CPU_CPP_BUILTINS ();
^
2015-03-28 Chen Gang <gang.chen.5...@gmail.com>
* config/c6x/c6x.h (TARGET_CPU_CPP_BUILTINS): Handle default
case for switch statement.
---
gcc/config/c6x/c6x.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/gcc/config/c6x/c6x.h b/gcc/config/c6x/c6x.h
index 58a7ac6..b4810be 100644
--- a/gcc/config/c6x/c6x.h
+++ b/gcc/config/c6x/c6x.h
@@ -109,6 +109,9 @@ extern c6x_cpu_t c6x_arch;
builtin_define ("_TMS320C6400_PLUS"); \
builtin_define ("_TMS320C6400"); \
break; \
+ \
+ default: \
+ break; \
} \
} while (0)
--
1.9.3
