[Bug rust/108102] rust bootstrap comparison failure on s390x-linux-gnu

2022-12-23 Thread stefansf at linux dot ibm.com via Gcc-rust
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108102

Stefan Schulze Frielinghaus  changed:

   What|Removed |Added

 CC||stefansf at linux dot ibm.com

--- Comment #2 from Stefan Schulze Frielinghaus  
---
Can confirm. Happens with --with-arch=arch13 and started since adding rust to
languages via commit r13-4676-ga75f038c069cc3.

$ diff <(objdump -d stage2-gcc/rust/rust-hir-trait-resolve.o) \
   <(objdump -d stage3-gcc/rust/rust-hir-trait-resolve.o)
2c2
< stage2-gcc/rust/rust-hir-trait-resolve.o: file format elf64-s390
---
> stage3-gcc/rust/rust-hir-trait-resolve.o: file format elf64-s390
1939,1940c1939,1940
< 24ec: e3 20 f2 50 00 24   stg %r2,592(%r15)
< 24f2: e3 30 f1 28 00 04   lg  %r3,296(%r15)
---
> 24ec: e3 30 f1 28 00 04   lg  %r3,296(%r15)
> 24f2: e3 20 f2 50 00 24   stg %r2,592(%r15)

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[Bug middle-end/108102] rust bootstrap comparison failure on s390x-linux-gnu

2022-12-23 Thread pinskia at gcc dot gnu.org via Gcc-rust
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108102

Andrew Pinski  changed:

   What|Removed |Added

   Keywords||build
  Component|rust|middle-end

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[Bug middle-end/108102] rust bootstrap comparison failure on s390x-linux-gnu

2022-12-23 Thread pinskia at gcc dot gnu.org via Gcc-rust
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108102

Andrew Pinski  changed:

   What|Removed |Added

 Ever confirmed|1   |0
 Status|WAITING |UNCONFIRMED

--- Comment #3 from Andrew Pinski  ---
Moved to middle-end since the code that is causing issues is c++ code.

Can you attach the preprocessed source? I wonder if this is a -g0 vs -g issue
...

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[Bug middle-end/108102] rust bootstrap comparison failure on s390x-linux-gnu

2022-12-23 Thread stefansf at linux dot ibm.com via Gcc-rust
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108102

--- Comment #4 from Stefan Schulze Frielinghaus  
---
I was playing around with this and was wondering how can I actually execute the
stageN compiler? From the output of make I see two compilations for object
rust-hir-trait-resolve.o. Thus the first one must be for stage2 and the second
one for stage3. For the former the command line is

/devel/gcc/build/./prev-gcc/xg++ -B/devel/gcc/build/./prev-gcc/
-B/devel/gcc/dst/s390x-ibm-linux-gnu/bin/ -nostdinc++
-B/devel/gcc/build/prev-s390x-ibm-linux-gnu/libstdc++-v3/src/.libs
-B/devel/gcc/build/prev-s390x-ibm-linux-gnu/libstdc++-v3/libsupc++/.libs 
-I/devel/gcc/build/prev-s390x-ibm-linux-gnu/libstdc++-v3/include/s390x-ibm-linux-gnu
 -I/devel/gcc/build/prev-s390x-ibm-linux-gnu/libstdc++-v3/include 
-I/devel/gcc/src/libstdc++-v3/libsupc++
-L/devel/gcc/build/prev-s390x-ibm-linux-gnu/libstdc++-v3/src/.libs
-L/devel/gcc/build/prev-s390x-ibm-linux-gnu/libstdc++-v3/libsupc++/.libs 
-fno-PIE -c  -DIN_GCC_FRONTEND -g -O2 -fno-checking -gtoggle -DIN_GCC
-fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing
-Wwrite-strings -Wcast-qual -Wmissing-format-attribute
-Wconditionally-supported -Woverloaded-virtual -pedantic -Wno-long-long
-Wno-variadic-macros -Wno-overlength-strings -Werror -Wno-unused-parameter
-fno-common  -DHAVE_CONFIG_H -I. -Irust -I/devel/gcc/src/gcc
-I/devel/gcc/src/gcc/rust -I/devel/gcc/src/gcc/../include
-I/devel/gcc/src/gcc/../libcpp/include -I/devel/gcc/src/gcc/../libcody 
-I/devel/gcc/src/gcc/../libdecnumber -I/devel/gcc/src/gcc/../libdecnumber/dpd
-I../libdecnumber -I/devel/gcc/src/gcc/../libbacktrace   -o
rust/rust-hir-trait-resolve.o -MT rust/rust-hir-trait-resolve.o -MMD -MP -MF
rust/.deps/rust-hir-trait-resolve.TPo -g -O2 -fno-checking -gtoggle -I
/devel/gcc/src/gcc/rust -I /devel/gcc/src/gcc/rust/lex -I
/devel/gcc/src/gcc/rust/parse -I /devel/gcc/src/gcc/rust/ast -I
/devel/gcc/src/gcc/rust/analysis -I /devel/gcc/src/gcc/rust/backend -I
/devel/gcc/src/gcc/rust/expand -I /devel/gcc/src/gcc/rust/hir/tree -I
/devel/gcc/src/gcc/rust/hir -I /devel/gcc/src/gcc/rust/resolve -I
/devel/gcc/src/gcc/rust/util -I /devel/gcc/src/gcc/rust/typecheck -I
/devel/gcc/src/gcc/rust/checks/lints -I /devel/gcc/src/gcc/rust/checks/errors
-I /devel/gcc/src/gcc/rust/checks/errors/privacy -I
/devel/gcc/src/gcc/rust/util -I /devel/gcc/src/gcc/rust/metadata
/devel/gcc/src/gcc/rust/typecheck/rust-hir-trait-resolve.cc

and the current working directory was most likely /devel/gcc/build/gcc.
Creating a symlink from $build/stage1-gcc to $build/prev-gcc and then running
the command from above doesn't do the trick. There is probably an easier way
which I miss. Any hints?

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[Bug middle-end/108102] rust bootstrap comparison failure on s390x-linux-gnu

2022-12-23 Thread pinskia at gcc dot gnu.org via Gcc-rust
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108102

--- Comment #5 from Andrew Pinski  ---
(In reply to Stefan Schulze Frielinghaus from comment #4) 
> and the current working directory was most likely /devel/gcc/build/gcc.
> Creating a symlink from $build/stage1-gcc to $build/prev-gcc and then
> running the command from above doesn't do the trick. There is probably an
> easier way which I miss. Any hints?

See stage2-start/stage3-start I think.

See
https://gcc.gnu.org/onlinedocs/gccint/Makefile.html#Makefile

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