breakage with series "[0/9] Record number of hard registers in a REG"

[Hans-Peter Nilsson]

> From: Richard Sandiford <richard.sandiford@arm.com>
> Date: Mon, 18 May 2015 20:09:19 +0200

> While looking at a profile of gcc, I noticed one thing fairly high
> up the list was a loop iterating over all the registers in a REG,
> apparently due to the delay in computing the index for hard_regno_nregs
> and then loading the value (which would often be an L1 cache miss).

> Each patch in the series was individually bootstrapped & regression-tested
> on x86_64-linux-gnu.
> 
> Thanks,
> Richard
> 

Please also make use of config-list.mk or a subset affecting
targets.  Build succeded for cris-elf last at r223334.  Build
failed at r223355, r223364, r223366, it seems from a commit in
this patch series:

...
g++ -c   -g -O2 -DIN_GCC  -DCROSS_DIRECTORY_STRUCTURE  -fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W -Wall -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/tmp/hpautotest-gcc1/gcc/gcc -I/tmp/hpautotest-gcc1/gcc/gcc/. -I/tmp/hpautotest-gcc1/gcc/gcc/../include -I/tmp/hpautotest-gcc1/gcc/gcc/../libcpp/include -I/tmp/hpautotest-gcc1/cris-elf/gccobj/./gmp -I/tmp/hpautotest-gcc1/gcc/gmp -I/tmp/hpautotest-gcc1/cris-elf/gccobj/./mpfr -I/tmp/hpautotest-gcc1/gcc/mpfr -I/tmp/hpautotest-gcc1/gcc/mpc/src  -I/tmp/hpautotest-gcc1/gcc/gcc/../libdecnumber -I/tmp/hpautotest-gcc1/gcc/gcc/../libdecnumber/dpd -I../libdecnumber -I/tmp/hpautotest-gcc1/gcc/gcc/../libbacktrace   -o cris.o -MT cris.o -MMD -MP -MF ./.deps/cris.TPo /tmp/hpautotest-gcc1/gcc/gcc/config/cris/cris.c
In file included from /tmp/hpautotest-gcc1/gcc/gcc/rtl.h:25,
                 from /tmp/hpautotest-gcc1/gcc/gcc/config/cris/cris.c:25:
/tmp/hpautotest-gcc1/gcc/gcc/input.h:37: warning: comparison between signed and unsigned integer expressions
/tmp/hpautotest-gcc1/gcc/gcc/config/cris/cris.c: In function 'void cris_expand_prologue()':
/tmp/hpautotest-gcc1/gcc/gcc/config/cris/cris.c:3141: error: 'gen_rtx_raw_REG' was not declared in this scope
/tmp/hpautotest-gcc1/gcc/gcc/config/cris/cris.c:3165: error: 'gen_rtx_raw_REG' was not declared in this scope
/tmp/hpautotest-gcc1/gcc/gcc/config/cris/cris.c:3263: error: 'gen_rtx_raw_REG' was not declared in this scope
/tmp/hpautotest-gcc1/gcc/gcc/config/cris/cris.c: In function 'void cris_expand_epilogue()':
/tmp/hpautotest-gcc1/gcc/gcc/config/cris/cris.c:3429: error: 'gen_rtx_raw_REG' was not declared in this scope
/tmp/hpautotest-gcc1/gcc/gcc/config/cris/cris.c:3515: error: 'gen_rtx_raw_REG' was not declared in this scope
/tmp/hpautotest-gcc1/gcc/gcc/config/cris/cris.c:3548: error: 'gen_rtx_raw_REG' was not declared in this scope
/tmp/hpautotest-gcc1/gcc/gcc/config/cris/cris.c:3573: error: 'gen_rtx_raw_REG' was not declared in this scope
make[2]: *** [cris.o] Error 1

brgds, H-P