RTL_FLAG_CHECK patch

[law@redhat.com]

In message <20020508164154.A28238@us.ibm.com>, Janis Johnson writes:
 > On Wed, May 08, 2002 at 04:30:26PM -0700, Jason R Thorpe wrote:
 > > Hi Janis...
 > > 
 > > 2002-05-08  Janis Johnson  <janis187@us.ibm.com>
 > > 
 > >         * rtl.h (RTL_FLAG_CHECK*): Add an argument for the macro name,
 > >         and use it in all invocations of these macros.  Clean up comments.
 > >         * rtl.c (rtl_check_failed_flag): Add an argument for the name
 > >         of the flag access macro whose check failed.
 > >         * doc/rtl.texi (Flags): Document additional flag uses.
 > > 
 > > This patch fixes the specific problem listed in target/6603,
 > > but the libgcc build for sh-elf then fails 2 functions later:
 > > 
 > > /u1/users/thorpej/gnu-toolchain/gcc/build/sh-elf/gcc/xgcc -B/u1/users/thor
 > pej/gnu-toolchain/gcc/build/sh-elf/gcc/ -B/usr/local/gnu/sh-elf/bin/ -B/usr/
 > local/gnu/sh-elf/lib/ -isystem /usr/local/gnu/sh-elf/include -O2  -DIN_GCC -
 > DCROSS_COMPILE   -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prot
 > otypes -isystem ./include   -g  -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED -Dinhi
 > bit_libc -I. -I. -I../../../gcc/gcc -I../../../gcc/gcc/. -I../../../gcc/gcc/
 > config -I../../../gcc/gcc/../include  -DL_lshrdi3 -c ../../../gcc/gcc/libgcc
 > 2.c -o libgcc/./_lshrdi3.o
 > > ../../../gcc/gcc/libgcc2.c: In function `__lshrdi3':
 > > ../../../gcc/gcc/libgcc2.c:266: RTL flag check: INSN_ANNULLED_BRANCH_P use
 > d with unexpected rtx code `call_insn' in dbr_schedule, at reorg.c:3631
 > > Please submit a full bug report,
 > > with preprocessed source if appropriate.
 > > See <URL:http://www.gnu.org/software/gcc/bugs.html> for instructions.
 > > gmake[2]: *** [libgcc/./_lshrdi3.o] Error 1
 > 
 > Can one of you familiar with targets that use these macros determine
 > the right list of RTL codes to use with INSN_ANNULLED_BRANCH_P and
 > INSN_FROM_TARGET_P and submit the appropriate patches to rtl.h and
 > doc/rtl.texi?  In the meantime if you need to work around this you
 > can turn off the new rtlflag checks (--enable-checking=misc,tree,gc).
An INSN, JUMP_INSN or CALL_INSN can potentially have either of those bits
set.

jeff