https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92469
Bug ID: 92469
Summary: [9/10 Regression] ICE: output_operand: invalid use of
register 'frame'
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: anbu1024.me at gmail dot com
Target Milestone: ---
$ cat test.c
void foo ( void )
{
register int x asm ( "19" ) ;
int y = x;
}
My command line to compile GCC is
../sourecode_dir/configure --prefix=../install_dir --enable-languages=c,c++
--disable-multilib
$ gcc-snapshot10 --version
gcc (GCC) 10.0.0 20191110 (experimental)
Copyright (C) 2019 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
$ gcc-snapshot10 test.c
during RTL pass: final
test.c: In function ‘foo’:
test.c:7:1: internal compiler error: output_operand: invalid use of register
'frame'
7 | }
| ^
0x9bff96 output_operand_lossage(char const*, ...)
../../gcc-10-20191110/gcc/final.c:3610
0x9c11a1 output_operand(rtx_def*, int)
../../gcc-10-20191110/gcc/final.c:4052
0x9c1660 output_asm_insn(char const*, rtx_def**)
../../gcc-10-20191110/gcc/final.c:3964
0x9c3674 final_scan_insn_1
../../gcc-10-20191110/gcc/final.c:3107
0x9c395b final_scan_insn(rtx_insn*, _IO_FILE*, int, int, int*)
../../gcc-10-20191110/gcc/final.c:3153
0x9c3a56 final_1
../../gcc-10-20191110/gcc/final.c:2021
0x9c4654 rest_of_handle_final
../../gcc-10-20191110/gcc/final.c:4659
0x9c4654 execute
../../gcc-10-20191110/gcc/final.c:4737
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.
$ gcc-snapshot9 --version
gcc (GCC) 9.2.1 20191109
Copyright (C) 2019 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
$ gcc-snapshot9 test.c
during RTL pass: final
test.c: In function ‘foo’:
test.c:7:1: internal compiler error: output_operand: invalid use of register
'frame'
7 | }
| ^
0x7f4ce6 output_operand_lossage(char const*, ...)
../../gcc-9-20191109/gcc/final.c:3610
0xd63454 ix86_print_operand(_IO_FILE*, rtx_def*, int)
../../gcc-9-20191109/gcc/config/i386/i386.c:18356
0x7f5011 output_operand(rtx_def*, int)
../../gcc-9-20191109/gcc/final.c:4052
0x7f5acc output_asm_insn(char const*, rtx_def**)
../../gcc-9-20191109/gcc/final.c:3964
0x7f7192 final_scan_insn_1
../../gcc-9-20191109/gcc/final.c:3107
0x7f73eb final_scan_insn(rtx_insn*, _IO_FILE*, int, int, int*)
../../gcc-9-20191109/gcc/final.c:3153
0x7f76c4 final_1
../../gcc-9-20191109/gcc/final.c:2021
0x7f80a4 rest_of_handle_final
../../gcc-9-20191109/gcc/final.c:4659
0x7f80a4 execute
../../gcc-9-20191109/gcc/final.c:4737
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.
This ICE seems doesn't affect gcc-8 and earlier versions.
$ gcc-snapshot8 --version
gcc (GCC) 8.3.1 20191101
Copyright (C) 2018 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
$ gcc-snapshot8 test.c
test.c: In function ‘foo’:
test.c:4:18: error: the register specified for ‘x’ is not general enough to be
used as a register variable
register int x asm ( "19" ) ;
^
