Hi:
I encountered an ICE when developing _Float16 patches,
.gcc/xgcc -B ./gcc -O2
./../../gcc/upstream/independentfp16/gcc/testsuite/gcc.dg/torture/float16-basic.c
-flto
I try to use -v, and got below, which component should I gdb where i
can set breakpoints to convert_mode_scalar
eading specs from
/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc/specs
COLLECT_GCC=/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc/xgcc
COLLECT_LTO_WRAPPER=/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with:
/export/users2/liuhongt/gcc/upstream/independentfp16/configure
--disable-bootstrap --enable-languages=c,c++,fortran,lto,objc,obj-c++
--disable-libsanitizer
--prefix=/export/users2/liuhongt/install/upstream_independentfp16_debug
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 12.0.0 20210622 (experimental) (GCC)
COLLECT_GCC_OPTIONS='-B'
'/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc'
'-O2' '-flto' '-save-temps' '-v' '-mtune=generic' '-march=x86-64'
'-dumpdir' 'a-'
/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc/cc1
-E -quiet -v -iprefix
/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc/../lib/gcc/x86_64-pc-linux-gnu/12.0.0/
-isystem /export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc/include
-isystem ./gcc/include -isystem
/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc/include-fixed
-isystem ./gcc/include-fixed
/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/../../gcc/upstream/independentfp16/gcc/testsuite/gcc.dg/torture/float16-basic.c
-mtune=generic -march=x86-64 -flto -O2 -fpch-preprocess -o
a-float16-basic.i
ignoring duplicate directory "./gcc/include"
ignoring duplicate directory "./gcc/include-fixed"
ignoring nonexistent directory
"/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc/../lib/gcc/x86_64-pc-linux-gnu/12.0.0/include"
ignoring nonexistent directory
"/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc/../lib/gcc/x86_64-pc-linux-gnu/12.0.0/include-fixed"
ignoring nonexistent directory
"/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc/../lib/gcc/x86_64-pc-linux-gnu/12.0.0/../../../../x86_64-pc-linux-gnu/include"
ignoring nonexistent directory
"/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc/../lib/gcc/../../lib/gcc/x86_64-pc-linux-gnu/12.0.0/include"
ignoring nonexistent directory
"/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc/../lib/gcc/../../include"
ignoring nonexistent directory
"/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc/../lib/gcc/../../lib/gcc/x86_64-pc-linux-gnu/12.0.0/include-fixed"
ignoring nonexistent directory
"/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc/../lib/gcc/../../lib/gcc/x86_64-pc-linux-gnu/12.0.0/../../../../x86_64-pc-linux-gnu/include"
#include "..." search starts here:
#include <...> search starts here:
/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc/include
/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc/include-fixed
/usr/local/include
/usr/include
End of search list.
COLLECT_GCC_OPTIONS='-B'
'/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc'
'-O2' '-flto' '-save-temps' '-v' '-mtune=generic' '-march=x86-64'
'-dumpdir' 'a-'
/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc/cc1
-fpreprocessed a-float16-basic.i -quiet -dumpdir a- -dumpbase
float16-basic.c -dumpbase-ext .c -mtune=generic -march=x86-64 -O2
-version -flto -o a-float16-basic.s
GNU C17 (GCC) version 12.0.0 20210622 (experimental) (x86_64-pc-linux-gnu)
compiled by GNU C version 12.0.0 20210622 (experimental), GMP version
6.1.0, MPFR version 3.1.6, MPC version 1.0.3, isl version isl-0.18-GMP
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
GNU C17 (GCC) version 12.0.0 20210622 (experimental) (x86_64-pc-linux-gnu)
compiled by GNU C version 12.0.0 20210622 (experimental), GMP version
6.1.0, MPFR version 3.1.6, MPC version 1.0.3, isl version isl-0.18-GMP
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
Compiler executable checksum: 97271481e038d548b1d8be64fbbf8dcc
COLLECT_GCC_OPTIONS='-B'
'/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc'
'-O2' '-flto' '-save-temps' '-v' '-mtune=generic' '-march=x86-64'
'-dumpdir' 'a-'
/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc/as
-v --64 -o a-float16-basic.o a-float16-basic.s
GNU assembler version 2.36.50 (x86_64-pc-linux-gnu) using BFD version
(GNU Binutils) 2.36.50.20210426
COMPILER_PATH=/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc/:./gcc/
LIBRARY_PATH=/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc/:/lib/../lib64/../lib64/:/usr/lib/../lib64/../lib64/:/lib/../lib64/:/usr/lib/../lib64/:/lib/../lib64/:/usr/lib/../lib64/:./gcc/:/lib/../lib64/:/usr/lib/../lib64/:/lib/:/usr/lib/:/lib/:/usr/lib/
COLLECT_GCC_OPTIONS='-B'
'/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc'
'-O2' '-flto' '-save-temps' '-v' '-mtune=generic' '-march=x86-64'
'-dumpdir' 'a.'
/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc/collect2
-plugin /export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc/liblto_plugin.so
-plugin-opt=/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc/lto-wrapper
-plugin-opt=-fresolution=a.res -plugin-opt=-pass-through=-lgcc
-plugin-opt=-pass-through=-lgcc_s -plugin-opt=-pass-through=-lc
-plugin-opt=-pass-through=-lgcc -plugin-opt=-pass-through=-lgcc_s
-flto --eh-frame-hdr -m elf_x86_64 -dynamic-linker
/lib64/ld-linux-x86-64.so.2 /lib/../lib64/../lib64/crt1.o
/lib/../lib64/../lib64/crti.o
/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc/crtbegin.o
-L/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc
-L/lib/../lib64/../lib64 -L/usr/lib/../lib64/../lib64 -L/lib/../lib64
-L/usr/lib/../lib64 -L/lib/../lib64 -L/usr/lib/../lib64 -L./gcc
-L/lib/../lib64 -L/usr/lib/../lib64 a-float16-basic.o -lgcc
--push-state --as-needed -lgcc_s --pop-state -lc -lgcc --push-state
--as-needed -lgcc_s --pop-state
/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc/crtend.o
/lib/../lib64/../lib64/crtn.o
/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc/lto-wrapper
-fresolution=a.res -flinker-output=exec a-float16-basic.o
/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc/lto-wrapper
-fresolution=a.res -flinker-output=exec a-float16-basic.o
/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc/xgcc
@./a.ltrans_args
Reading specs from
/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc/specs
COLLECT_GCC=/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc/xgcc
Target: x86_64-pc-linux-gnu
Configured with:
/export/users2/liuhongt/gcc/upstream/independentfp16/configure
--disable-bootstrap --enable-languages=c,c++,fortran,lto,objc,obj-c++
--disable-libsanitizer
--prefix=/export/users2/liuhongt/install/upstream_independentfp16_debug
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 12.0.0 20210622 (experimental) (GCC)
COLLECT_GCC_OPTIONS='-c' '-fno-openmp' '-fno-openacc' '-fno-pie'
'-fcf-protection=none' '-O2' '-B'
'/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc'
'-O2' '-save-temps' '-v' '-mtune=generic' '-march=x86-64'
'-fltrans-output-list=./a.ltrans.out' '-fwpa' '-fresolution=a.res'
'-flinker-output=exec'
/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc/lto1
-quiet -dumpbase ./a.wpa -mtune=generic -march=x86-64 -O2 -O2 -version
-fno-openmp -fno-openacc -fno-pie -fcf-protection=none
-fltrans-output-list=./a.ltrans.out -fwpa -fresolution=a.res
-flinker-output=exec @./a.wpa.args.0
GNU GIMPLE (GCC) version 12.0.0 20210622 (experimental) (x86_64-pc-linux-gnu)
compiled by GNU C version 12.0.0 20210622 (experimental), GMP version
6.1.0, MPFR version 3.1.6, MPC version 1.0.3, isl version isl-0.18-GMP
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
GNU GIMPLE (GCC) version 12.0.0 20210622 (experimental) (x86_64-pc-linux-gnu)
compiled by GNU C version 12.0.0 20210622 (experimental), GMP version
6.1.0, MPFR version 3.1.6, MPC version 1.0.3, isl version isl-0.18-GMP
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
COMPILER_PATH=/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc/:/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc/:./gcc/
LIBRARY_PATH=/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc/:/lib/../lib64/../lib64/../lib64/:/usr/lib/../lib64/../lib64/../lib64/:/lib/../lib64/../lib64/:/usr/lib/../lib64/../lib64/:/lib/../lib64/../lib64/:/usr/lib/../lib64/../lib64/:/lib/../lib64/../lib64/:/usr/lib/../lib64/../lib64/:/lib/../lib64/:/usr/lib/../lib64/:/lib/../lib64/:/usr/lib/../lib64/:/lib/../lib64/:/usr/lib/../lib64/:/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc/:/lib/../lib64/../lib64/:/usr/lib/../lib64/../lib64/:/lib/../lib64/:/usr/lib/../lib64/:/lib/../lib64/:/usr/lib/../lib64/:./gcc/:/lib/../lib64/:/usr/lib/../lib64/:/lib/:/usr/lib/:/lib/:/usr/lib/:/lib/:/usr/lib/
COLLECT_GCC_OPTIONS='-c' '-fno-openmp' '-fno-openacc' '-fno-pie'
'-fcf-protection=none' '-O2' '-B'
'/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc'
'-O2' '-save-temps' '-v' '-mtune=generic' '-march=x86-64'
'-fltrans-output-list=./a.ltrans.out' '-fwpa' '-fresolution=a.res'
'-flinker-output=exec' '-dumpdir' './a.wpa.'
[Leaving LTRANS ./a.ltrans.out]
/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc/xgcc
@./a.ltrans0.ltrans_args
Reading specs from
/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc/specs
COLLECT_GCC=/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc/xgcc
Target: x86_64-pc-linux-gnu
Configured with:
/export/users2/liuhongt/gcc/upstream/independentfp16/configure
--disable-bootstrap --enable-languages=c,c++,fortran,lto,objc,obj-c++
--disable-libsanitizer
--prefix=/export/users2/liuhongt/install/upstream_independentfp16_debug
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 12.0.0 20210622 (experimental) (GCC)
COLLECT_GCC_OPTIONS='-c' '-fno-openmp' '-fno-openacc' '-fno-pie'
'-fcf-protection=none' '-O2' '-B'
'/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc'
'-O2' '-save-temps' '-v' '-mtune=generic' '-march=x86-64' '-fltrans'
'-o' './a.ltrans0.ltrans.o'
/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc/lto1
-quiet -dumpbase ./a.ltrans0.ltrans -mtune=generic -march=x86-64 -O2
-O2 -version -fno-openmp -fno-openacc -fno-pie -fcf-protection=none
-fltrans @./a.ltrans0.ltrans.args.0 -o ./a.ltrans0.ltrans.s
GNU GIMPLE (GCC) version 12.0.0 20210622 (experimental) (x86_64-pc-linux-gnu)
compiled by GNU C version 12.0.0 20210622 (experimental), GMP version
6.1.0, MPFR version 3.1.6, MPC version 1.0.3, isl version isl-0.18-GMP
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
GNU GIMPLE (GCC) version 12.0.0 20210622 (experimental) (x86_64-pc-linux-gnu)
compiled by GNU C version 12.0.0 20210622 (experimental), GMP version
6.1.0, MPFR version 3.1.6, MPC version 1.0.3, isl version isl-0.18-GMP
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
during RTL pass: expand
/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/../../gcc/upstream/independentfp16/gcc/testsuite/gcc.dg/torture/floatn-basic.h:
In function ‘vafn’:
/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/../../gcc/upstream/independentfp16/gcc/testsuite/gcc.dg/torture/floatn-basic.h:36:7:
internal compiler error: Segmentation fault
36 | ret = arg1 + va_arg (ap, TYPE);
| ^
0x12bb92d crash_signal
/export/users2/liuhongt/gcc/upstream/independentfp16/gcc/toplev.c:327
0xdc9a79 aggregate_value_p(tree_node const*, tree_node const*)
/export/users2/liuhongt/gcc/upstream/independentfp16/gcc/function.c:2056
0xb42799 emit_library_call_value_1(int, rtx_def*, rtx_def*,
libcall_type, machine_mode, int, std::pair<rtx_def*, machine_mode>*)
/export/users2/liuhongt/gcc/upstream/independentfp16/gcc/calls.c:5207
0xcea0f3 emit_library_call_value(rtx_def*, rtx_def*, libcall_type,
machine_mode, rtx_def*, machine_mode)
/export/users2/liuhongt/gcc/upstream/independentfp16/gcc/rtl.h:4377
0xd0aaf8 convert_mode_scalar
/export/users2/liuhongt/gcc/upstream/independentfp16/gcc/expr.c:356
0xd0a695 convert_move(rtx_def*, rtx_def*, int)
/export/users2/liuhongt/gcc/upstream/independentfp16/gcc/expr.c:298
0xd3281b expand_expr_real_2(separate_ops*, rtx_def*, machine_mode,
expand_modifier)
/export/users2/liuhongt/gcc/upstream/independentfp16/gcc/expr.c:9006
0xb65765 expand_gimple_stmt_1
/export/users2/liuhongt/gcc/upstream/independentfp16/gcc/cfgexpand.c:3980
0xb659fb expand_gimple_stmt
/export/users2/liuhongt/gcc/upstream/independentfp16/gcc/cfgexpand.c:4041
0xb6efe5 expand_gimple_basic_block
/export/users2/liuhongt/gcc/upstream/independentfp16/gcc/cfgexpand.c:6083
0xb71a35 execute
/export/users2/liuhongt/gcc/upstream/independentfp16/gcc/cfgexpand.c:6809
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
lto-wrapper: fatal error:
/export/users2/liuhongt/tools-build/build_upstream_independentfp16_debug/gcc/xgcc
returned 1 exit status
compilation terminated.
[Leaving LTRANS ./a.ltrans0.o]
/export/users2/liuhongt/install/binutils_trunk/bin/ld: error: lto-wrapper failed
[Leaving a.lto_wrapper_args]
collect2: error: ld returned 1 exit status
--
BR,
Hongtao
