[Bug rtl-optimization/70284] ICE: in replace_rtx at rtlanal.c for mips n32

2016-03-19 Thread faraz.shahbazker at imgtec dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70284

Faraz Shahbazker  changed:

   What|Removed |Added

 CC||faraz.shahbazker at imgtec dot 
com

--- Comment #2 from Faraz Shahbazker  ---
Created attachment 38008
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38008&action=edit
Proposed patch

[Bug rtl-optimization/70284] New: ICE: in replace_rtx at rtlanal.c for mips n32

2016-03-19 Thread faraz.shahbazker at imgtec dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70284

Bug ID: 70284
   Summary: ICE: in replace_rtx at rtlanal.c for mips n32
   Product: gcc
   Version: 6.0
Status: UNCONFIRMED
  Severity: normal
  Priority: P3
 Component: rtl-optimization
  Assignee: unassigned at gcc dot gnu.org
  Reporter: faraz.shahbazker at imgtec dot com
  Target Milestone: ---

Created attachment 38005
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38005&action=edit
Minimal test case

New assert in commit 867c9e995539beefa594475f2bd831438e36a077 causes ICE for
mips64 n32. Minimal test-case attached, failure found while building glibc.

$ ./install-mips-mti-linux-gnu/bin/mips-mti-linux-gnu-gcc -v -save-temps
-mips64 -mabi=n32 -O2 -c test.c
Using built-in specs.
COLLECT_GCC=./install-mips-mti-linux-gnu/bin/mips-mti-linux-gnu-gcc
Target: mips-mti-linux-gnu
Configured with: /scratch/frs/src/gcc/configure
--prefix=/scratch/frs/install-mips-mti-linux-gnu --disable-libssp
--disable-libmudflap --disable-decimal-float --with-mips-plt
--target=mips-mti-linux-gnu --enable-languages=c --without-headers
--disable-shared --disable-threads --disable-libquadmath --disable-libatomic
--with-sysroot=/scratch/frs/install-mips-mti-linux-gnu/sysroot --enable-debug
Thread model: single
gcc version 6.0.0 20160317 (experimental) (GCC) 
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-mips64' '-mabi=n32' '-O2' '-c'
'-mllsc' '-mplt' '-mno-synci' '-mno-shared' '-EB'

/scratch/frs/install-mips-mti-linux-gnu/libexec/gcc/mips-mti-linux-gnu/6.0.0/cc1
-E -quiet -v -isysroot
/scratch/frs/install-mips-mti-linux-gnu/sysroot/mips-r1-hard test.c -meb
-mips64 -mabi=n32 -mllsc -mplt -mno-synci -mno-shared -O2 -fpch-preprocess -o
test.i
ignoring nonexistent directory
"/scratch/frs/install-mips-mti-linux-gnu/sysroot/mips-r1-hard/usr/local/include"
ignoring nonexistent directory
"/scratch/frs/install-mips-mti-linux-gnu/lib/gcc/mips-mti-linux-gnu/6.0.0/../../../../mips-mti-linux-gnu/include"
#include "..." search starts here:
#include <...> search starts here:

/scratch/frs/install-mips-mti-linux-gnu/lib/gcc/mips-mti-linux-gnu/6.0.0/include

/scratch/frs/install-mips-mti-linux-gnu/lib/gcc/mips-mti-linux-gnu/6.0.0/include-fixed
 /scratch/frs/install-mips-mti-linux-gnu/sysroot/mips-r1-hard/usr/include
End of search list.
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-mips64' '-mabi=n32' '-O2' '-c'
'-mllsc' '-mplt' '-mno-synci' '-mno-shared' '-EB'

/scratch/frs/install-mips-mti-linux-gnu/libexec/gcc/mips-mti-linux-gnu/6.0.0/cc1
-fpreprocessed test.i -meb -quiet -dumpbase test.c -mips64 -mabi=n32 -mllsc
-mplt -mno-synci -mno-shared -auxbase test -O2 -version -o test.s
GNU C11 (GCC) version 6.0.0 20160317 (experimental) (mips-mti-linux-gnu)
compiled by GNU C version 4.4.7 20120313 (Red Hat 4.4.7-16), GMP
version 4.3.2, MPFR version 3.0.1, MPC version 0.9, isl version none
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
GNU C11 (GCC) version 6.0.0 20160317 (experimental) (mips-mti-linux-gnu)
compiled by GNU C version 4.4.7 20120313 (Red Hat 4.4.7-16), GMP
version 4.3.2, MPFR version 3.0.1, MPC version 0.9, isl version none
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
Compiler executable checksum: 93ffb79b8f803fb23bc523b8a8a85910
test.c: In function ‘test’:
test.c:6:1: internal compiler error: in replace_rtx, at rtlanal.c:2969
 }
 ^
0xa69cde replace_rtx(rtx_def*, rtx_def*, rtx_def*)
/scratch/frs/src/gcc/gcc/rtlanal.c:2969
0xa69dba replace_rtx(rtx_def*, rtx_def*, rtx_def*)
/scratch/frs/src/gcc/gcc/rtlanal.c:3009
0xf9fa57 record_value_for_reg
/scratch/frs/src/gcc/gcc/combine.c:12673
0xfadca2 combine_instructions
/scratch/frs/src/gcc/gcc/combine.c:1488
0xfadca2 rest_of_handle_combine
/scratch/frs/src/gcc/gcc/combine.c:14345
0xfadca2 execute
/scratch/frs/src/gcc/gcc/combine.c:14388
Please submit a full bug report,
with preprocessed source if appropriate.

[Bug rtl-optimization/70284] ICE: in replace_rtx at rtlanal.c for mips n32

2016-03-19 Thread faraz.shahbazker at imgtec dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70284

--- Comment #1 from Faraz Shahbazker  ---
Created attachment 38006
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38006&action=edit
preprocessed source

[Bug testsuite/70469] New: multiple definition error in g++.dg/template/ptrmem30.C

2016-03-30 Thread faraz.shahbazker at imgtec dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70469

Bug ID: 70469
   Summary: multiple definition error in
g++.dg/template/ptrmem30.C
   Product: gcc
   Version: 6.0
Status: UNCONFIRMED
  Severity: normal
  Priority: P3
 Component: testsuite
  Assignee: unassigned at gcc dot gnu.org
  Reporter: faraz.shahbazker at imgtec dot com
  Target Milestone: ---

Created attachment 38140
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38140&action=edit
preprocessed source

Symbol `read' is declared by libgloss as an I/O primitive. The global variable
`read' in this test case collides with the libgloss definition for some
architectures. Please change to use a different variable name.


$ /scratch/gcc/nightly/install-mips-mti-elf/bin/mips-mti-elf-g++ --save-temps
--verbose /scratch/frs/src/gcc/gcc/testsuite/g++.dg/template/ptrmem30.C
-Tmti32.ld
Using built-in specs.
COLLECT_GCC=/scratch/gcc/nightly/install-mips-mti-elf/bin/mips-mti-elf-g++
COLLECT_LTO_WRAPPER=/scratch/gcc/nightly/install-mips-mti-elf/libexec/gcc/mips-mti-elf/6.0.0/lto-wrapper
Target: mips-mti-elf
Configured with: /scratch/gcc/nightly/src/gcc/configure
--prefix=/scratch/gcc/nightly/install-mips-mti-elf --disable-libssp
--disable-libmudflap --disable-decimal-float --with-mips-plt
--target=mips-mti-elf --with-newlib --with-gnu-as --with-gnu-ld
--enable-languages=c,c++
--with-sysroot=/scratch/gcc/nightly/install-mips-mti-elf/mips-mti-elf
--with-build-sysroot=/scratch/gcc/nightly/install-mips-mti-elf/mips-mti-elf
Thread model: single
gcc version 6.0.0 20160330 (experimental) (GCC) 
COLLECT_GCC_OPTIONS='-save-temps' '-v' '-T' 'mti32.ld' '-mplt' '-mips32r2'
'-msynci' '-mabi=32' '-mfpxx' '-EB'

/scratch/gcc/nightly/install-mips-mti-elf/libexec/gcc/mips-mti-elf/6.0.0/cc1plus
-E -quiet -v /scratch/frs/src/gcc/gcc/testsuite/g++.dg/template/ptrmem30.C -meb
-mplt -mips32r2 -msynci -mabi=32 -mfpxx -fpch-preprocess -o ptrmem30.ii
ignoring nonexistent directory
"/scratch/gcc/nightly/install-mips-mti-elf/mips-mti-elf/usr/local/include"
ignoring nonexistent directory
"/scratch/gcc/nightly/install-mips-mti-elf/mips-mti-elf/usr/include"
#include "..." search starts here:
#include <...> search starts here:

/scratch/gcc/nightly/install-mips-mti-elf/lib/gcc/mips-mti-elf/6.0.0/../../../../mips-mti-elf/include/c++/6.0.0

/scratch/gcc/nightly/install-mips-mti-elf/lib/gcc/mips-mti-elf/6.0.0/../../../../mips-mti-elf/include/c++/6.0.0/mips-mti-elf

/scratch/gcc/nightly/install-mips-mti-elf/lib/gcc/mips-mti-elf/6.0.0/../../../../mips-mti-elf/include/c++/6.0.0/backward
 /scratch/gcc/nightly/install-mips-mti-elf/lib/gcc/mips-mti-elf/6.0.0/include

/scratch/gcc/nightly/install-mips-mti-elf/lib/gcc/mips-mti-elf/6.0.0/include-fixed

/scratch/gcc/nightly/install-mips-mti-elf/lib/gcc/mips-mti-elf/6.0.0/../../../../mips-mti-elf/include
End of search list.
COLLECT_GCC_OPTIONS='-save-temps' '-v' '-T' 'mti32.ld' '-mplt' '-mips32r2'
'-msynci' '-mabi=32' '-mfpxx' '-EB'

/scratch/gcc/nightly/install-mips-mti-elf/libexec/gcc/mips-mti-elf/6.0.0/cc1plus
-fpreprocessed ptrmem30.ii -meb -quiet -dumpbase ptrmem30.C -mplt -mips32r2
-msynci -mabi=32 -mfpxx -auxbase ptrmem30 -version -o ptrmem30.s
GNU C++14 (GCC) version 6.0.0 20160330 (experimental) (mips-mti-elf)
compiled by GNU C version 4.4.7 20120313 (Red Hat 4.4.7-16), GMP
version 4.3.2, MPFR version 3.0.1, MPC version 0.9, isl version none
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
GNU C++14 (GCC) version 6.0.0 20160330 (experimental) (mips-mti-elf)
compiled by GNU C version 4.4.7 20120313 (Red Hat 4.4.7-16), GMP
version 4.3.2, MPFR version 3.0.1, MPC version 0.9, isl version none
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
Compiler executable checksum: f716effcc40bdfde513b86e098fc32c1
COLLECT_GCC_OPTIONS='-save-temps' '-v' '-T' 'mti32.ld' '-mplt' '-mips32r2'
'-msynci' '-mabi=32' '-mfpxx' '-EB'

/scratch/gcc/nightly/install-mips-mti-elf/lib/gcc/mips-mti-elf/6.0.0/../../../../mips-mti-elf/bin/as
-v -EB -mips32r2 -O1 -no-mdebug -mabi=32 -mfpxx --trap -o ptrmem30.o ptrmem30.s
GNU assembler version 2.26.51 (mips-mti-elf) using BFD version (GNU Binutils)
2.26.51.20160330
COMPILER_PATH=/scratch/gcc/nightly/install-mips-mti-elf/libexec/gcc/mips-mti-elf/6.0.0/:/scratch/gcc/nightly/install-mips-mti-elf/libexec/gcc/mips-mti-elf/6.0.0/:/scratch/gcc/nightly/install-mips-mti-elf/libexec/gcc/mips-mti-elf/:/scratch/gcc/nightly/install-mips-mti-elf/lib/gcc/mips-mti-elf/6.0.0/:/scratch/gcc/nightly/install-mips-mti-elf/lib/gcc/