Re: Basic block renumbering removal

[Zdenek Dvorak <rakdver at atrey dot karlin dot mff dot cuni dot cz>]

Hello.

> > Sorry; I haven't tried to compile objc.
> 
> Arg!  I thought submission of the patch meant that it worked.

I only bootstrapped it with c/c++; my fault, I will test it more next time :-(

> > (iterative dataflow does not have to terminate for some initial
> > solutions, but without my patch gcc somehow (not quite sure how)
> > avoids them), but I hoped I fixed it already). 
> 
> Point me at the problem?

(it loops infinitely in calculate_global_regs_live):

stage1/xgcc -Bstage1/ -B/maat/heart/tbox/objs/i686-pc-linux-gnu/bin/ -c -DIN_GCC    -g -O2 -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes   -DHAVE_CONFIG_H    -I. -Ijava -I/maat/heart/tbox/cvs-gcc/gcc/gcc -I/maat/heart/tbox/cvs-gcc/gcc/gcc/java -I/maat/heart/tbox/cvs-gcc/gcc/gcc/config -I/maat/heart/tbox/cvs-gcc/gcc/gcc/../include /maat/heart/tbox/cvs-gcc/gcc/gcc/java/jv-scan.c -o java/jv-scan.o
rm -f jv-scan
stage1/xgcc -Bstage1/ -B/maat/heart/tbox/objs/i686-pc-linux-gnu/bin/ -DIN_GCC    -g -O2 -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wtraditional -pedantic -Wno-long-long  -DHAVE_CONFIG_H  -o jv-scan java/parse-scan.o java/jv-scan.o version.o    ../libiberty/libiberty.a
stage1/xgcc -Bstage1/ -B/maat/heart/tbox/objs/i686-pc-linux-gnu/bin/ -c -DIN_GCC    -g -O2 -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes   -DHAVE_CONFIG_H    -I. -Ijava -I/maat/heart/tbox/cvs-gcc/gcc/gcc -I/maat/heart/tbox/cvs-gcc/gcc/gcc/java -I/maat/heart/tbox/cvs-gcc/gcc/gcc/config -I/maat/heart/tbox/cvs-gcc/gcc/gcc/../include /maat/heart/tbox/cvs-gcc/gcc/gcc/java/jcf-dump.c -o java/jcf-dump.o
rm -f jcf-dump
stage1/xgcc -Bstage1/ -B/maat/heart/tbox/objs/i686-pc-linux-gnu/bin/ -DIN_GCC    -g -O2 -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wtraditional -pedantic -Wno-long-long  -DHAVE_CONFIG_H  -o jcf-dump java/jcf-dump.o java/jcf-io.o java/jcf-depend.o java/jcf-path.o java/zextract.o errors.o version.o mkdeps.o -L../zlib -lz   ../libiberty/libiberty.a
stage1/xgcc -Bstage1/ -B/maat/heart/tbox/objs/i686-pc-linux-gnu/bin/ -DIN_GCC    -g -O2 -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wtraditional -pedantic -Wno-long-long  -DHAVE_CONFIG_H    -I. -I. -I/maat/heart/tbox/cvs-gcc/gcc/gcc -I/maat/heart/tbox/cvs-gcc/gcc/gcc/. -I/maat/heart/tbox/cvs-gcc/gcc/gcc/config -I/maat/heart/tbox/cvs-gcc/gcc/gcc/../include -I/maat/heart/tbox/cvs-gcc/gcc/gcc/objc \
-c /maat/heart/tbox/cvs-gcc/gcc/gcc/objc/objc-lang.c -o objc-lang.o
stage1/xgcc -Bstage1/ -B/maat/heart/tbox/objs/i686-pc-linux-gnu/bin/ -DIN_GCC    -g -O2 -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wtraditional -pedantic -Wno-long-long  -DHAVE_CONFIG_H    -I. -I. -I/maat/heart/tbox/cvs-gcc/gcc/gcc -I/maat/heart/tbox/cvs-gcc/gcc/gcc/. -I/maat/heart/tbox/cvs-gcc/gcc/gcc/config -I/maat/heart/tbox/cvs-gcc/gcc/gcc/../include -I/maat/heart/tbox/cvs-gcc/gcc/gcc/objc \
-c /maat/heart/tbox/cvs-gcc/gcc/gcc/objc/objc-parse.c -o objc-parse.o
stage1/xgcc -Bstage1/ -B/maat/heart/tbox/objs/i686-pc-linux-gnu/bin/ -DIN_GCC    -g -O2 -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wtraditional -pedantic -Wno-long-long  -DHAVE_CONFIG_H    -I. -I. -I/maat/heart/tbox/cvs-gcc/gcc/gcc -I/maat/heart/tbox/cvs-gcc/gcc/gcc/. -I/maat/heart/tbox/cvs-gcc/gcc/gcc/config -I/maat/heart/tbox/cvs-gcc/gcc/gcc/../include -I/maat/heart/tbox/cvs-gcc/gcc/gcc/objc \
-c /maat/heart/tbox/cvs-gcc/gcc/gcc/objc/objc-act.c
virtual memory exhausted: Cannot allocate memory
make[2]: *** [objc-act.o] Error 1
make[2]: Leaving directory `/maat/heart/tbox/native/build/gcc'
make[1]: *** [stage2_build] Error 2
make[1]: Leaving directory `/maat/heart/tbox/native/build/gcc'
make: *** [bootstrap] Error 2
+ '[' -s gcc/.bad_compare ']'
+ exit 1

I have already sent patch to solve this problem.

Zdenek