https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98194
Bug ID: 98194
Summary: [9/10/11 Regression]internal compiler error:
output_operand: invalid use of register 'frame'
Product: gcc
Version: 11.0
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 sub_0 ( void )
{
register int var_0 asm ( "19" ) ;
if ( var_0 != - 1 )
sub_0 ( ) ;
}
--------------------------------------------------------------------------------
$ gcc-11 --version
gcc (GCC) 11.0.0 20201129 (experimental)
Copyright (C) 2020 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-11 test.c
during RTL pass: final
test.c: In function ‘sub_0’:
test.c:7:1: internal compiler error: output_operand: invalid use of register
'frame'
7 | }
| ^
0xaa7706 output_operand_lossage(char const*, ...)
../../gcc-11-20201129/gcc/final.c:3627
0xaa7a41 output_operand(rtx_def*, int)
../../gcc-11-20201129/gcc/final.c:4069
0xaa85bd output_asm_insn(char const*, rtx_def**)
../../gcc-11-20201129/gcc/final.c:3981
0xaabf19 final_scan_insn_1
../../gcc-11-20201129/gcc/final.c:3124
0xaac35b final_scan_insn(rtx_insn*, _IO_FILE*, int, int, int*)
../../gcc-11-20201129/gcc/final.c:3170
0xaac456 final_1
../../gcc-11-20201129/gcc/final.c:2021
0xaad004 rest_of_handle_final
../../gcc-11-20201129/gcc/final.c:4676
0xaad004 execute
../../gcc-11-20201129/gcc/final.c:4754
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-10 test.c
during RTL pass: final
test.c: In function ‘sub_0’:
test.c:7:1: internal compiler error: output_operand: invalid use of register
'frame'
7 | }
| ^
0x8445b6 output_operand_lossage(char const*, ...)
../../gcc-10-20201128/gcc/final.c:3609
0x8448e1 output_operand(rtx_def*, int)
../../gcc-10-20201128/gcc/final.c:4051
0x84541d output_asm_insn(char const*, rtx_def**)
../../gcc-10-20201128/gcc/final.c:3963
0x848ad9 final_scan_insn_1
../../gcc-10-20201128/gcc/final.c:3106
0x848d8b final_scan_insn(rtx_insn*, _IO_FILE*, int, int, int*)
../../gcc-10-20201128/gcc/final.c:3152
0x849074 final_1
../../gcc-10-20201128/gcc/final.c:2020
0x849804 rest_of_handle_final
../../gcc-10-20201128/gcc/final.c:4658
0x849804 execute
../../gcc-10-20201128/gcc/final.c:4736
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-10 --version
gcc (GCC) 10.2.1 20201128
Copyright (C) 2020 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-9 test.c
during RTL pass: final
test.c: In function ‘sub_0’:
test.c:7:1: internal compiler error: output_operand: invalid use of register
'frame'
7 | }
| ^
0x7f5806 output_operand_lossage(char const*, ...)
../../gcc-9-20201127/gcc/final.c:3610
0xd67504 ix86_print_operand(_IO_FILE*, rtx_def*, int)
../../gcc-9-20201127/gcc/config/i386/i386.c:18398
0x7f5b31 output_operand(rtx_def*, int)
../../gcc-9-20201127/gcc/final.c:4052
0x7f665c output_asm_insn(char const*, rtx_def**)
../../gcc-9-20201127/gcc/final.c:3964
0x7f7d22 final_scan_insn_1
../../gcc-9-20201127/gcc/final.c:3107
0x7f7f7b final_scan_insn(rtx_insn*, _IO_FILE*, int, int, int*)
../../gcc-9-20201127/gcc/final.c:3153
0x7f8254 final_1
../../gcc-9-20201127/gcc/final.c:2021
0x7f8c44 rest_of_handle_final
../../gcc-9-20201127/gcc/final.c:4659
0x7f8c44 execute
../../gcc-9-20201127/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-9 --version
gcc (GCC) 9.3.1 20201127
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-8 test.c
test.c: In function ‘sub_0’:
test.c:4:15: error: the register specified for ‘var_0’ is not general enough to
be used as a register variable
register int var_0 asm ( "19" ) ;
^~~~~
--------------------------------------------------------------------------------
$ gcc-8 --version
gcc (GCC) 8.4.1 20201126
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.
