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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 âbool check_dependency(basic_block, df_ref, bitmap)â: ../../../gcc/gcc/loop-invariant.c:789:20: error: unused variable âregnoâ [-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 <jbglaw@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 jbglaw@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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