Hi Jan,
hi Kito, Palmer and Andrew!

On Thu, 2017-06-29 14:27:41 +0200, Jan Hubicka <hubicka@ucw.cz> wrote:
> this is second step of the profile maintenance revamp.  It implements
> profile_probability type which is pretty much symmetric to profile_count
> except that it implements fixed point arithmetics for values 0...1.
> It is used to maintain probabilities of edges out of basic blocks.
> In addition it tracks information about quality of the estimate which can
> later be used for optimization.

RISC-V (--enable-languages=c,c++ --target=riscv32-unknown-linux-gnu
--without-headers --disable-threads) fails to build right now,
probably only missing header or header order:

[...]
g++ -fno-PIE -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 -Woverloaded-virtual -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -fno-common  -DHAVE_CONFIG_H -I. -I. -I/home/jbglaw/repos/gcc/gcc -I/home/jbglaw/repos/gcc/gcc/. -I/home/jbglaw/repos/gcc/gcc/../include -I/home/jbglaw/repos/gcc/gcc/../libcpp/include  -I/home/jbglaw/repos/gcc/gcc/../libdecnumber -I/home/jbglaw/repos/gcc/gcc/../libdecnumber/dpd -I../libdecnumber -I/home/jbglaw/repos/gcc/gcc/../libbacktrace   -o riscv.o -MT riscv.o -MMD -MP -MF ./.deps/riscv.TPo /home/jbglaw/repos/gcc/gcc/config/riscv/riscv.c
In file included from /home/jbglaw/repos/gcc/gcc/config/riscv/riscv.c:56:0:
/home/jbglaw/repos/gcc/gcc/dojump.h:61:10: error: ‘profile_probability’ has not been declared
          profile_probability prob);
          ^
/home/jbglaw/repos/gcc/gcc/dojump.h:63:5: error: ‘profile_probability’ has not been declared
     profile_probability);
     ^
/home/jbglaw/repos/gcc/gcc/dojump.h:66:54: error: ‘profile_probability’ has not been declared
 extern void jumpif (tree exp, rtx_code_label *label, profile_probability prob);
                                                      ^
/home/jbglaw/repos/gcc/gcc/dojump.h:68:9: error: ‘profile_probability’ has not been declared
         profile_probability);
         ^
/home/jbglaw/repos/gcc/gcc/dojump.h:73:39: error: ‘profile_probability’ has not been declared
        rtx_code_label *if_true_label, profile_probability prob);
                                       ^
/home/jbglaw/repos/gcc/gcc/dojump.h:75:28: error: ‘profile_probability’ has not been declared
          rtx_code_label *, profile_probability);
                            ^
/home/jbglaw/repos/gcc/gcc/dojump.h:79:28: error: ‘profile_probability’ has not been declared
          rtx_code_label *, profile_probability);
                            ^
In file included from /home/jbglaw/repos/gcc/gcc/config/riscv/riscv.c:61:0:
/home/jbglaw/repos/gcc/gcc/expr.h:291:63: error: ‘profile_probability’ has not been declared
 extern int try_casesi (tree, tree, tree, tree, rtx, rtx, rtx, profile_probability);
                                                               ^
/home/jbglaw/repos/gcc/gcc/expr.h:292:61: error: ‘profile_probability’ has not been declared
 extern int try_tablejump (tree, tree, tree, tree, rtx, rtx, profile_probability);
                                                             ^
In file included from /home/jbglaw/repos/gcc/gcc/config/riscv/riscv.c:63:0:
/home/jbglaw/repos/gcc/gcc/optabs.h:251:10: error: ‘profile_probability’ has not been declared
          profile_probability prob
          ^
/home/jbglaw/repos/gcc/gcc/optabs.h:252:8: error: ‘profile_probability’ has not been declared
      = profile_probability::uninitialized ());
        ^
Makefile:2259: recipe for target 'riscv.o' failed
make[1]: *** [riscv.o] Error 1
make[1]: Leaving directory '/home/jbglaw/build/riscv32-unknown-linux-gnu/build-gcc/gcc'
Makefile:4286: recipe for target 'all-gcc' failed
make: *** [all-gcc] Error 2

-- 
      Jan-Benedict Glaw      jbglaw@lug-owl.de              +49-172-7608481
Signature of: They that give up essential liberty to obtain temporary safety,
the second  : deserve neither liberty nor safety.  (Ben Franklin)