Re: -fdump-passes -fenable-xxx=func_name_list

[Carrot Wei <carrot at google dot com>]

It also breaks arm backend.

../trunk/configure '--build=x86_64-build_pc-linux-gnu'
'--host=x86_64-build_pc-linux-gnu'
'--target=arm-unknown-linux-gnueabi'
'--with-sysroot=/home/carrot/x-tools/arm-unknown-linux-gnueabi/arm-unknown-linux-gnueabi/sys-root'
'--disable-multilib' '--with-float=soft' '--disable-sjlj-exceptions'
'--enable-__cxa_atexit' '--disable-nls' '--enable-threads=posix'
'--enable-symvers=gnu' '--enable-c99' '--enable-long-long'
'--enable-target-optspace' '--disable-bootstrap'
'build_alias=x86_64-build_pc-linux-gnu'
'host_alias=x86_64-build_pc-linux-gnu'
'target_alias=arm-unknown-linux-gnueabi'
'--enable-languages=c,c++,lto'

make

...

/bin/sh ../libtool --tag CXX   --mode=compile
/usr/local/google/home/carrot/armobj1/./gcc/xgcc -shared-libgcc
-B/usr/local/google/home/carrot/armobj1/./gcc -nostdinc++
-L/usr/local/google/home/carrot/armobj1/arm-unknown-linux-gnueabi/libstdc++-v3/src
-L/usr/local/google/home/carrot/armobj1/arm-unknown-linux-gnueabi/libstdc++-v3/src/.libs
-B/usr/local/arm-unknown-linux-gnueabi/bin/
-B/usr/local/arm-unknown-linux-gnueabi/lib/ -isystem
/usr/local/arm-unknown-linux-gnueabi/include -isystem
/usr/local/arm-unknown-linux-gnueabi/sys-include
-I/usr/local/google/home/carrot/armobj1/arm-unknown-linux-gnueabi/libstdc++-v3/include/arm-unknown-linux-gnueabi
-I/usr/local/google/home/carrot/armobj1/arm-unknown-linux-gnueabi/libstdc++-v3/include
-I/usr/local/google/home/carrot/trunk/libstdc++-v3/libsupc++
-fno-implicit-templates -Wall -Wextra -Wwrite-strings -Wcast-qual
-fdiagnostics-show-location=once  -ffunction-sections -fdata-sections
-g -Os -I/usr/local/google/home/carrot/armobj1/arm-unknown-linux-gnueabi/libstdc++-v3/include/backward
-Wno-deprecated -c ../../../../trunk/libstdc++-v3/src/strstream.cc
libtool: compile:  /usr/local/google/home/carrot/armobj1/./gcc/xgcc
-shared-libgcc -B/usr/local/google/home/carrot/armobj1/./gcc
-nostdinc++ -L/usr/local/google/home/carrot/armobj1/arm-unknown-linux-gnueabi/libstdc++-v3/src
-L/usr/local/google/home/carrot/armobj1/arm-unknown-linux-gnueabi/libstdc++-v3/src/.libs
-B/usr/local/arm-unknown-linux-gnueabi/bin/
-B/usr/local/arm-unknown-linux-gnueabi/lib/ -isystem
/usr/local/arm-unknown-linux-gnueabi/include -isystem
/usr/local/arm-unknown-linux-gnueabi/sys-include
-I/usr/local/google/home/carrot/armobj1/arm-unknown-linux-gnueabi/libstdc++-v3/include/arm-unknown-linux-gnueabi
-I/usr/local/google/home/carrot/armobj1/arm-unknown-linux-gnueabi/libstdc++-v3/include
-I/usr/local/google/home/carrot/trunk/libstdc++-v3/libsupc++
-fno-implicit-templates -Wall -Wextra -Wwrite-strings -Wcast-qual
-fdiagnostics-show-location=once -ffunction-sections -fdata-sections
-g -Os -I/usr/local/google/home/carrot/armobj1/arm-unknown-linux-gnueabi/libstdc++-v3/include/backward
-Wno-deprecated -c ../../../../trunk/libstdc++-v3/src/strstream.cc
-fPIC -DPIC -o .libs/strstream.o
In file included from ../../../../trunk/libstdc++-v3/src/strstream.cc:45:0:
/usr/local/google/home/carrot/armobj1/arm-unknown-linux-gnueabi/libstdc++-v3/include/backward/strstream:
In member function 'void*
std::strstream::_ZTv0_n12_NSt9strstreamD1Ev()':
/usr/local/google/home/carrot/armobj1/arm-unknown-linux-gnueabi/libstdc++-v3/include/backward/strstream:171:13:
internal compiler error: in verify_curr_properties, at passes.c:1660
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
make[4]: *** [strstream.lo] Error 1
make[4]: Leaving directory
`/usr/local/google/home/carrot/armobj1/arm-unknown-linux-gnueabi/libstdc++-v3/src'
make[3]: *** [all-recursive] Error 1
make[3]: Leaving directory
`/usr/local/google/home/carrot/armobj1/arm-unknown-linux-gnueabi/libstdc++-v3'
make[2]: *** [all] Error 2
make[2]: Leaving directory
`/usr/local/google/home/carrot/armobj1/arm-unknown-linux-gnueabi/libstdc++-v3'
make[1]: *** [all-target-libstdc++-v3] Error 2
make[1]: Leaving directory `/usr/local/google/home/carrot/armobj1'
make: *** [all] Error 2


On Fri, Jun 10, 2011 at 6:05 AM, H.J. Lu <hjl.tools@gmail.com> wrote:
> On Tue, Jun 7, 2011 at 11:54 AM, Xinliang David Li <davidxl@google.com> wrote:
>> Please review the attached two patches.
>>
>> In the first patch, gate functions are cleaned up. All the per
>> function legality checks are moved into the executor and the
>> optimization heuristic checks (optimize for size) remain in the
>> gators. These allow the the following overriding order:
>>
>> ? ?common flags (O2, -ftree-vrp, -fgcse etc) ? <--- ?compiler
>> heuristic (optimize for size/speed) <--- -fdisable/enable forcing pass
>> options ?<--- legality check
>>
>> Testing under going. Ok for trunk?
>>
>
> This caused:
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49350
>
> --
> H.J.
>