> From: Richard Sandiford <[email protected]>
> 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
