Hi! Since started, the VAX backend doesn't compile with config-list.mk because one of VAX's macros doesn't use its argument:
g++ -c -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 -pedantic -Wno-long-long
-Wno-variadic-macros -Wno-overlength-strings -Werror -fno-common
-DHAVE_CONFIG_H -I. -I. -I../../../gcc/gcc -I../../../gcc/gcc/.
-I../../../gcc/gcc/../include -I../../../gcc/gcc/../libcpp/include
-I/opt/cfarm/mpc/include -I../../../gcc/gcc/../libdecnumber
-I../../../gcc/gcc/../libdecnumber/dpd -I../libdecnumber
-I../../../gcc/gcc/../libbacktrace -o loop-invariant.o -MT loop-invariant.o
-MMD -MP -MF ./.deps/loop-invariant.TPo ../../../gcc/gcc/loop-invariant.c
../../../gcc/gcc/loop-invariant.c: In function ‘bool
check_dependency(basic_block, df_ref, bitmap)’:
../../../gcc/gcc/loop-invariant.c:789:20: error: unused variable ‘regno’
[-Werror=unused-variable]
unsigned int regno = DF_REF_REGNO (use);
^
cc1plus: all warnings being treated as errors
make[2]: *** [loop-invariant.o] Error 1
This should fix it:
2014-01-15 Jan-Benedict Glaw <jbg...@lug-owl.de>
* config/vax/vax.h (FUNCTION_ARG_REGNO_P): Vix unused variable warning.
--- a/gcc/config/vax/vax.h
+++ b/gcc/config/vax/vax.h
@@ -295,7 +295,7 @@ enum reg_class { NO_REGS, ALL_REGS, LIM_REG_CLASSES };
/* 1 if N is a possible register number for function argument passing.
On the VAX, no registers are used in this way. */
-#define FUNCTION_ARG_REGNO_P(N) 0
+#define FUNCTION_ARG_REGNO_P(N) ((void) (N), 0)
/* Define a data type for recording info about an argument list
during the scan of that argument list. This data type should
--
Jan-Benedict Glaw jbg...@lug-owl.de +49-172-7608481
Signature of: "Debugging is twice as hard as writing the code in the first
place.
the second : Therefore, if you write the code as cleverly as possible, you
are,
by definition, not smart enough to debug it." - Brian W.
Kernighan
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