[BUILDROBOT] arc-elf: match_code "REG" matches nothing (was: Reuse predicate code analysis for constraints)

[Jan-Benedict Glaw <jbglaw at lug-owl dot de>]

On Fri, 2015-05-22 16:42:44 +0100, Richard Sandiford <richard.sandiford@arm.com> wrote:
> This patch adjusts the fix for PR target/65689 along the lines suggested
> in https://gcc.gnu.org/ml/gcc-patches/2015-04/msg01559.html.  The idea
> is to reuse the existing gensupport.c routine to work out the codes
> accepted by constraints.
> 
> I'd originally done this with an eye to using compute_test_codes for
> the problem that Andreas found on s390.  I don't think it's going to
> be useful for that after all, but it seems worth having for its on sake.
> 
> Bootstrapped & regression-tested on x86_64-linux-gnu.  OK to install?

I'm also getting fallout for arc-elf, see eg. build
http://toolchain.lug-owl.de/buildbot/show_build_details.php?id=442948


[...]
 g++   -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 -DGENERATOR_FILE  -o build/genpreds \
    build/genpreds.o build/rtl.o build/read-rtl.o build/ggc-none.o build/vec.o build/min-insn-modes.o build/gensupport.o build/print-rtl.o build/hash-table.o build/read-md.o build/errors.o ../build-powerpc64-unknown-linux-gnu/libiberty/libiberty.a
build/genpreds -h /home/jbglaw/repos/gcc/gcc/common.md /home/jbglaw/repos/gcc/gcc/config/arc/arc.md > tmp-preds.h
/home/jbglaw/repos/gcc/gcc/config/arc/constraints.md:333: match_code "REG" matches nothing
/home/jbglaw/repos/gcc/gcc/config/arc/constraints.md:333: (did you mean "reg"?)
/home/jbglaw/repos/gcc/gcc/config/arc/constraints.md:347: match_code "REG" matches nothing
/home/jbglaw/repos/gcc/gcc/config/arc/constraints.md:357: match_code "REG" matches nothing
/home/jbglaw/repos/gcc/gcc/config/arc/constraints.md:367: match_code "REG" matches nothing
/home/jbglaw/repos/gcc/gcc/config/arc/constraints.md:373: match_code "REG" matches nothing
/home/jbglaw/repos/gcc/gcc/config/arc/constraints.md:379: match_code "REG" matches nothing
/home/jbglaw/repos/gcc/gcc/config/arc/constraints.md:389: match_code "REG" matches nothing
make[1]: *** [s-preds-h] Error 1
make[1]: Leaving directory `/home/jbglaw/build/arc-elf/build-gcc/gcc'

MfG, JBG

-- 
      Jan-Benedict Glaw      jbglaw@lug-owl.de              +49-172-7608481
Signature of:          GDB has a 'break' feature; why doesn't it have 'fix' too?
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