Re: [RFC PATCH] LoongArch: Add parameters to DWARF2_USE_FIXED_ADVANCE_PC macro
mengqinggang <[email protected]>
| Newsgroups | gmane.comp.gnu.binutils |
|---|---|
| Message-ID | <[email protected]> |
Hi Alan,
Could you please take a look at this patch?
Any feedback is welcome.
Thanks.
在 2026/8/3 10:49, mengqinggang 写道:
> Gentle ping!
>
>
> 在 2026/7/22 11:23, mengqinggang 写道:
>> If DWARF2_USE_FIXED_ADVANCE_PC is nonzero, use the
>> DW_LNS_fixed_advance_pc
>> opcode; otherwise, use special opcodes.
>>
>> Add FROM symbol and TO symbol parameters for finer-grained control.
>>
>> Use special opcodes when no linker-relaxable instructions between two
>> symbols;
>> otherwise, use DW_LNS_fixed_advance_pc opcodes.
>> ---
>> gas/config/tc-h8300.h | 2 +-
>> gas/config/tc-loongarch.c | 13 +++++++++++
>> gas/config/tc-loongarch.h | 4 +++-
>> gas/config/tc-msp430.h | 2 +-
>> gas/config/tc-nds32.h | 2 +-
>> gas/config/tc-riscv.h | 2 +-
>> gas/config/tc-rl78.h | 2 +-
>> gas/config/tc-xtensa.h | 2 +-
>> gas/dwarf2dbg.c | 23 +++++++++++++------
>> gas/testsuite/gas/elf/dwarf-5-irp.d | 3 +--
>> gas/testsuite/gas/elf/dwarf-5-loc0.d | 3 +--
>> gas/testsuite/gas/elf/dwarf-5-macro-include.d | 2 +-
>> gas/testsuite/gas/elf/dwarf-5-macro.d | 2 +-
>> gas/testsuite/gas/elf/dwarf2-11.d | 3 +--
>> gas/testsuite/gas/elf/dwarf2-15.d | 3 +--
>> gas/testsuite/gas/elf/dwarf2-16.d | 3 +--
>> gas/testsuite/gas/elf/dwarf2-17.d | 3 +--
>> gas/testsuite/gas/elf/dwarf2-18.d | 3 +--
>> gas/testsuite/gas/elf/dwarf2-19.d | 3 +--
>> gas/testsuite/gas/elf/dwarf2-5.d | 3 +--
>> gas/testsuite/gas/lns/lns.exp | 1 -
>> 21 files changed, 49 insertions(+), 35 deletions(-)
>>
>> diff --git a/gas/config/tc-h8300.h b/gas/config/tc-h8300.h
>> index c4689d37b12..66664553a24 100644
>> --- a/gas/config/tc-h8300.h
>> +++ b/gas/config/tc-h8300.h
>> @@ -46,7 +46,7 @@ struct internal_reloc;
>> /* Minimum instruction is of 16 bits. */
>> #define DWARF2_LINE_MIN_INSN_LENGTH 2
>> -#define DWARF2_USE_FIXED_ADVANCE_PC 0
>> +#define DWARF2_USE_FIXED_ADVANCE_PC(FROM, TO) 0
>> /* Provide mappings from the original H8 COFF relocation names to
>> their corresponding BFD relocation names. */
>> diff --git a/gas/config/tc-loongarch.c b/gas/config/tc-loongarch.c
>> index bd7d8dabb7a..7cb16d5dcf1 100644
>> --- a/gas/config/tc-loongarch.c
>> +++ b/gas/config/tc-loongarch.c
>> @@ -1644,6 +1644,19 @@ _loongarch_force_relocation_sub_same (segT sec,
>> return true;
>> }
>> +/* Use DW_LNS_fixed_advance_pc opcode in .debug_line if return ture,
>> + otherwise use special opcode. */
>> +bool
>> +loongarch_fixed_advance_pc (symbolS *from, symbolS *to)
>> +{
>> + segT fromsec = S_GET_SEGMENT (from);
>> + segT tosec = S_GET_SEGMENT (to);
>> + if (fromsec != tosec)
>> + return false;
>> + fragS *fromfrag = symbol_get_frag (from);
>> + fragS *tofrag = symbol_get_frag (to);
>> + return _loongarch_force_relocation_sub_same (fromsec, fromfrag,
>> tofrag);
>> +}
>> /* Postpone text-section label subtraction calculation until
>> linking,
>> since linker relaxations might change the deltas. */
>> diff --git a/gas/config/tc-loongarch.h b/gas/config/tc-loongarch.h
>> index 146844e772e..32fbc23d679 100644
>> --- a/gas/config/tc-loongarch.h
>> +++ b/gas/config/tc-loongarch.h
>> @@ -102,7 +102,9 @@ extern bool
>> loongarch_force_relocation_sub_same(struct fix *, asection *);
>> #define TARGET_USE_CFIPOP 1
>> /* Adjust debug_line after relaxation. */
>> -#define DWARF2_USE_FIXED_ADVANCE_PC 1
>> +extern bool loongarch_fixed_advance_pc (symbolS *, symbolS *);
>> +#define DWARF2_USE_FIXED_ADVANCE_PC(FROM, TO) \
>> + loongarch_fixed_advance_pc (FROM, TO)
>> /* FDE Data Alignment Factor.
>> FDE Code Alignment Factor (DWARF2_LINE_MIN_INSN_LENGTH) should be 1
>> diff --git a/gas/config/tc-msp430.h b/gas/config/tc-msp430.h
>> index fe202abc713..f9b6c1e588c 100644
>> --- a/gas/config/tc-msp430.h
>> +++ b/gas/config/tc-msp430.h
>> @@ -168,7 +168,7 @@ extern bool msp430_allow_local_subtract
>> (expressionS *, expressionS *, segT);
>> so don't report errors at this point. */
>> #define TC_VALIDATE_FIX_SUB(FIX, SEG) 1
>> -#define DWARF2_USE_FIXED_ADVANCE_PC 1
>> +#define DWARF2_USE_FIXED_ADVANCE_PC(FROM, TO) 1
>> #define TC_LINKRELAX_FIXUP(seg) ((seg->flags & SEC_CODE) ||
>> (seg->flags & SEC_DEBUGGING))
>> diff --git a/gas/config/tc-nds32.h b/gas/config/tc-nds32.h
>> index 432d46d9fb1..49a1bead095 100644
>> --- a/gas/config/tc-nds32.h
>> +++ b/gas/config/tc-nds32.h
>> @@ -77,7 +77,7 @@ extern bool nds32_allow_local_subtract (expressionS
>> *, expressionS *, segT);
>> #define md_allow_local_subtract(lhs,rhs,sect)
>> nds32_allow_local_subtract (lhs, rhs, sect)
>> /* dwarf2dbg.c. */
>> -#define DWARF2_USE_FIXED_ADVANCE_PC 1
>> +#define DWARF2_USE_FIXED_ADVANCE_PC(FROM, TO) 1
>> /* write.c. */
>> extern long nds32_pcrel_from_section (struct fix *, segT);
>> diff --git a/gas/config/tc-riscv.h b/gas/config/tc-riscv.h
>> index d695db83477..7518d2a70f7 100644
>> --- a/gas/config/tc-riscv.h
>> +++ b/gas/config/tc-riscv.h
>> @@ -135,7 +135,7 @@ extern void riscv_elf_section_change_hook (void);
>> extern void riscv_elf_final_processing (void);
>> /* Adjust debug_line after relaxation. */
>> -#define DWARF2_USE_FIXED_ADVANCE_PC 1
>> +#define DWARF2_USE_FIXED_ADVANCE_PC(FROM, TO) 1
>> #define md_parse_name(name, exp, mode, c) \
>> riscv_parse_name (name, exp, mode)
>> diff --git a/gas/config/tc-rl78.h b/gas/config/tc-rl78.h
>> index 9761d509aa1..fb54a2e8da7 100644
>> --- a/gas/config/tc-rl78.h
>> +++ b/gas/config/tc-rl78.h
>> @@ -94,6 +94,6 @@ extern void rl78_elf_final_processing (void);
>> || ((SEC)->flags & SEC_DEBUGGING) != 0 \
>> || TC_FORCE_RELOCATION (FIX))
>> -#define DWARF2_USE_FIXED_ADVANCE_PC 1
>> +#define DWARF2_USE_FIXED_ADVANCE_PC(FROM, TO) 1
>> #define TC_FORCE_RELOCATION(FIX) (linkrelax)
>> diff --git a/gas/config/tc-xtensa.h b/gas/config/tc-xtensa.h
>> index 64d735144d7..d6ddac738fe 100644
>> --- a/gas/config/tc-xtensa.h
>> +++ b/gas/config/tc-xtensa.h
>> @@ -419,7 +419,7 @@ extern void xtensa_init (int, char **);
>> #define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) 0
>> /* Use line number format that is amenable to linker relaxation. */
>> -#define DWARF2_USE_FIXED_ADVANCE_PC (linkrelax != 0)
>> +#define DWARF2_USE_FIXED_ADVANCE_PC(FROM, TO) (linkrelax != 0)
>> /* Resource reservation info functions. */
>> diff --git a/gas/dwarf2dbg.c b/gas/dwarf2dbg.c
>> index a1ceab4e428..04a30a606d7 100644
>> --- a/gas/dwarf2dbg.c
>> +++ b/gas/dwarf2dbg.c
>> @@ -112,7 +112,7 @@
>> opcodes and variable-length operands cannot be used. If this
>> macro is
>> nonzero, use the DW_LNS_fixed_advance_pc opcode instead. */
>> #ifndef DWARF2_USE_FIXED_ADVANCE_PC
>> -# define DWARF2_USE_FIXED_ADVANCE_PC linkrelax
>> +# define DWARF2_USE_FIXED_ADVANCE_PC(FROM, TO) linkrelax
>> #endif
>> /* First special line opcode - leave room for the standard opcodes.
>> @@ -1898,7 +1898,7 @@ relax_inc_line_addr (int line_delta, symbolS
>> *to_sym, symbolS *from_sym)
>> /* The maximum size of the frag is the line delta with a maximum
>> sized address delta. */
>> - if (DWARF2_USE_FIXED_ADVANCE_PC)
>> + if (DWARF2_USE_FIXED_ADVANCE_PC (from_sym, to_sym))
>> max_chars = size_fixed_inc_line_addr (line_delta,
>> -DWARF2_LINE_MIN_INSN_LENGTH);
>> else
>> @@ -1919,7 +1919,11 @@ dwarf2dbg_estimate_size_before_relax (fragS
>> *frag)
>> int size;
>> addr_delta = resolve_symbol_value (frag->fr_symbol);
>> - if (DWARF2_USE_FIXED_ADVANCE_PC)
>> + symbolS *from = symbol_get_value_expression
>> (frag->fr_symbol)->X_op_symbol;
>> + symbolS *to = symbol_get_value_expression
>> (frag->fr_symbol)->X_add_symbol;
>> + (void)from;
>> + (void)to;
>> + if (DWARF2_USE_FIXED_ADVANCE_PC (from, to))
>> size = size_fixed_inc_line_addr (frag->fr_offset, addr_delta);
>> else
>> size = size_inc_line_addr (frag->fr_offset, addr_delta);
>> @@ -1953,7 +1957,11 @@ dwarf2dbg_convert_frag (fragS *frag)
>> {
>> offsetT addr_diff;
>> - if (DWARF2_USE_FIXED_ADVANCE_PC)
>> + symbolS *from = symbol_get_value_expression
>> (frag->fr_symbol)->X_op_symbol;
>> + symbolS *to = symbol_get_value_expression
>> (frag->fr_symbol)->X_add_symbol;
>> + (void)from;
>> + (void)to;
>> + if (DWARF2_USE_FIXED_ADVANCE_PC (from, to))
>> {
>> /* If linker relaxation is enabled then the distance between
>> the two
>> symbols in the frag->fr_symbol expression might change. Hence we
>> @@ -1977,7 +1985,7 @@ dwarf2dbg_convert_frag (fragS *frag)
>> course, have allocated enough memory earlier. */
>> gas_assert (frag->fr_var >= (int) frag->fr_subtype);
>> - if (DWARF2_USE_FIXED_ADVANCE_PC)
>> + if (DWARF2_USE_FIXED_ADVANCE_PC (from, to))
>> emit_fixed_inc_line_addr (frag->fr_offset, addr_diff, frag,
>> frag->fr_literal + frag->fr_fix,
>> frag->fr_subtype);
>> @@ -2110,7 +2118,8 @@ process_entries (segT seg, struct line_entry *e)
>> out_set_addr (lab);
>> out_inc_line_addr (line_delta, 0);
>> }
>> - else if (frag == last_frag && ! DWARF2_USE_FIXED_ADVANCE_PC)
>> + else if (frag == last_frag
>> + && ! DWARF2_USE_FIXED_ADVANCE_PC (last_lab, lab))
>> out_inc_line_addr (line_delta, frag_ofs - last_frag_ofs);
>> else
>> relax_inc_line_addr (line_delta, lab, last_lab);
>> @@ -2127,7 +2136,7 @@ process_entries (segT seg, struct line_entry *e)
>> /* Emit a DW_LNE_end_sequence for the end of the section. */
>> frag = last_frag_for_seg (seg);
>> frag_ofs = get_frag_fix (frag, seg);
>> - if (frag == last_frag && ! DWARF2_USE_FIXED_ADVANCE_PC)
>> + if (frag == last_frag && ! DWARF2_USE_FIXED_ADVANCE_PC (last_lab,
>> lab))
>> out_inc_line_addr (INT_MAX, frag_ofs - last_frag_ofs);
>> else
>> {
>> diff --git a/gas/testsuite/gas/elf/dwarf-5-irp.d
>> b/gas/testsuite/gas/elf/dwarf-5-irp.d
>> index a4f01355db3..781b2a32aaa 100644
>> --- a/gas/testsuite/gas/elf/dwarf-5-irp.d
>> +++ b/gas/testsuite/gas/elf/dwarf-5-irp.d
>> @@ -5,8 +5,7 @@
>> # The bfin target does not allow .subsection with an equated symbol
>> as operand.
>> # The d30v target emits sufficiently different debug info,
>> apparently also covering padding it inserts.
>> # The riscv targets do not support the subtraction of symbols.
>> -# The loongarch targets do not support the subtraction of symbols.
>> -#xfail: am33*-* bfin-* cr16-* crx-* d30v-* ft32-* loongarch*-*
>> mn10*-* msp430-* nds32*-* riscv*-* rl78-*
>> +#xfail: am33*-* bfin-* cr16-* crx-* d30v-* ft32-* mn10*-* msp430-*
>> nds32*-* riscv*-* rl78-*
>> Raw dump of debug contents .*
>> #...
>> diff --git a/gas/testsuite/gas/elf/dwarf-5-loc0.d
>> b/gas/testsuite/gas/elf/dwarf-5-loc0.d
>> index 9338271c0eb..9439d103b1f 100644
>> --- a/gas/testsuite/gas/elf/dwarf-5-loc0.d
>> +++ b/gas/testsuite/gas/elf/dwarf-5-loc0.d
>> @@ -3,8 +3,7 @@
>> #name: DWARF5 .loc 0
>> # The am33 cr16 crx ft32 mn10 msp430 nds32 and rl78 targets do not
>> evaluate the subtraction of symbols at assembly time.
>> # The riscv targets do not support the subtraction of symbols.
>> -# The loongarch targets do not support the subtraction of symbols.
>> -#xfail: am3*-* cr16-* crx-* ft32*-* loongarch*-* mn10*-* msp430-*
>> nds32*-* riscv*-* rl78-*
>> +#xfail: am3*-* cr16-* crx-* ft32*-* mn10*-* msp430-* nds32*-*
>> riscv*-* rl78-*
>> Contents of the \.debug_line section:
>> diff --git a/gas/testsuite/gas/elf/dwarf-5-macro-include.d
>> b/gas/testsuite/gas/elf/dwarf-5-macro-include.d
>> index c39425aa8c9..32ea6386992 100644
>> --- a/gas/testsuite/gas/elf/dwarf-5-macro-include.d
>> +++ b/gas/testsuite/gas/elf/dwarf-5-macro-include.d
>> @@ -4,7 +4,7 @@
>> # The am33 cr16 crx ft32 mn10* msp430 nds32* and rl78 targets do
>> not evaluate the subtraction of symbols at assembly time.
>> # The d30v target emits sufficiently different debug info,
>> apparently also covering padding it inserts.
>> # The riscv targets do not support the subtraction of symbols.
>> -#xfail: am33*-* cr16-* crx-* d30v-* ft32-* loongarch*-* mn10*-*
>> msp430-* nds32*-* riscv*-* rl78-*
>> +#xfail: am33*-* cr16-* crx-* d30v-* ft32-* mn10*-* msp430-* nds32*-*
>> riscv*-* rl78-*
>> Raw dump of debug contents .*
>> #...
>> diff --git a/gas/testsuite/gas/elf/dwarf-5-macro.d
>> b/gas/testsuite/gas/elf/dwarf-5-macro.d
>> index b2613bd1c16..794e17a575e 100644
>> --- a/gas/testsuite/gas/elf/dwarf-5-macro.d
>> +++ b/gas/testsuite/gas/elf/dwarf-5-macro.d
>> @@ -4,7 +4,7 @@
>> # The am33 cr16 crx ft32 mn10* msp430 nds32* and rl78 targets do
>> not evaluate the subtraction of symbols at assembly time.
>> # The d30v target emits sufficiently different debug info,
>> apparently also covering padding it inserts.
>> # The riscv targets do not support the subtraction of symbols.
>> -#xfail: am33*-* cr16-* crx-* d30v-* ft32-* loongarch*-* mn10*-*
>> msp430-* nds32*-* riscv*-* rl78-*
>> +#xfail: am33*-* cr16-* crx-* d30v-* ft32-* mn10*-* msp430-* nds32*-*
>> riscv*-* rl78-*
>> Raw dump of debug contents .*
>> #...
>> diff --git a/gas/testsuite/gas/elf/dwarf2-11.d
>> b/gas/testsuite/gas/elf/dwarf2-11.d
>> index 44f5cd18ec6..2c30e55c695 100644
>> --- a/gas/testsuite/gas/elf/dwarf2-11.d
>> +++ b/gas/testsuite/gas/elf/dwarf2-11.d
>> @@ -3,8 +3,7 @@
>> #name: DWARF2 11
>> # The am33 cr16 crx ft32 mn10 msp430 nds32 and rl78 targets do not
>> evaluate the subtraction of symbols at assembly time.
>> # The riscv targets do not support the subtraction of symbols.
>> -# The loongarch targets do not support the subtraction of symbols.
>> -#xfail: am3*-* cr16-* crx-* ft32*-* loongarch*-* mn10*-* msp430-*
>> nds32*-* riscv*-* rl78-*
>> +#xfail: am3*-* cr16-* crx-* ft32*-* mn10*-* msp430-* nds32*-*
>> riscv*-* rl78-*
>> Contents of the \.debug_line section:
>> diff --git a/gas/testsuite/gas/elf/dwarf2-15.d
>> b/gas/testsuite/gas/elf/dwarf2-15.d
>> index 3ec9f2785a7..939c61598cb 100644
>> --- a/gas/testsuite/gas/elf/dwarf2-15.d
>> +++ b/gas/testsuite/gas/elf/dwarf2-15.d
>> @@ -3,8 +3,7 @@
>> #name: DWARF2 15
>> # The am33 cr16 crx ft32 mn10 msp430 nds32 and rl78 targets do not
>> evaluate the subtraction of symbols at assembly time.
>> # The riscv targets do not support the subtraction of symbols.
>> -# The loongarch targets do not support the subtraction of symbols.
>> -#xfail: am3*-* cr16-* crx-* ft32*-* loongarch*-* mn10*-* msp430-*
>> nds32*-* riscv*-* rl78-*
>> +#xfail: am3*-* cr16-* crx-* ft32*-* mn10*-* msp430-* nds32*-*
>> riscv*-* rl78-*
>> Hex dump of section '\.rodata':
>> 0x00000000 01 *.*
>> diff --git a/gas/testsuite/gas/elf/dwarf2-16.d
>> b/gas/testsuite/gas/elf/dwarf2-16.d
>> index 32b57763137..8e35d493619 100644
>> --- a/gas/testsuite/gas/elf/dwarf2-16.d
>> +++ b/gas/testsuite/gas/elf/dwarf2-16.d
>> @@ -4,8 +4,7 @@
>> # The am33 cr16 crx ft32 mn10 msp430 nds32 and rl78 targets do not
>> evaluate the subtraction of symbols at assembly time.
>> # The mep target tries to relay code sections which breaks symbolic
>> view computations.
>> # The riscv targets do not support the subtraction of symbols.
>> -# The loongarch targets do not support the subtraction of symbols.
>> -#xfail: am3*-* cr16-* crx-* ft32*-* mep-* loongarch*-* mn10*-*
>> msp430-* nds32*-* riscv*-* rl78-*
>> +#xfail: am3*-* cr16-* crx-* ft32*-* mep-* mn10*-* msp430-* nds32*-*
>> riscv*-* rl78-*
>> Hex dump of section '\.rodata':
>> 0x00000000 01 *.*
>> diff --git a/gas/testsuite/gas/elf/dwarf2-17.d
>> b/gas/testsuite/gas/elf/dwarf2-17.d
>> index 4c2f2e3999e..881477cf95b 100644
>> --- a/gas/testsuite/gas/elf/dwarf2-17.d
>> +++ b/gas/testsuite/gas/elf/dwarf2-17.d
>> @@ -4,8 +4,7 @@
>> # The am33 cr16 crx ft32 mn10 msp430 nds32 and rl78 targets do not
>> evaluate the subtraction of symbols at assembly time.
>> # The mep target tries to relay code sections which breaks symbolic
>> view computations.
>> # The riscv targets do not support the subtraction of symbols.
>> -# The loongarch targets do not support the subtraction of symbols.
>> -#xfail: am3*-* cr16-* crx-* ft32*-* loongarch*-* mep-* mn10*-*
>> msp430-* nds32*-* riscv*-* rl78-*
>> +#xfail: am3*-* cr16-* crx-* ft32*-* mep-* mn10*-* msp430-* nds32*-*
>> riscv*-* rl78-*
>> Hex dump of section '\.rodata':
>> 0x00000000 00 *.*
>> diff --git a/gas/testsuite/gas/elf/dwarf2-18.d
>> b/gas/testsuite/gas/elf/dwarf2-18.d
>> index 18157c634a5..fbaebaa9019 100644
>> --- a/gas/testsuite/gas/elf/dwarf2-18.d
>> +++ b/gas/testsuite/gas/elf/dwarf2-18.d
>> @@ -3,8 +3,7 @@
>> #name: DWARF2 18
>> # The am33 cr16 crx ft32 mn10 msp430 nds32 and rl78 targets do not
>> evaluate the subtraction of symbols at assembly time.
>> # The riscv targets do not support the subtraction of symbols.
>> -# The loongarch targets do not support the subtraction of symbols.
>> -#xfail: am3*-* cr16-* crx-* ft32*-* loongarch*-* mn10*-* msp430-*
>> nds32*-* riscv*-* rl78-*
>> +#xfail: am3*-* cr16-* crx-* ft32*-* mn10*-* msp430-* nds32*-*
>> riscv*-* rl78-*
>> Hex dump of section '\.rodata':
>> 0x00000000 0100 *.*
>> diff --git a/gas/testsuite/gas/elf/dwarf2-19.d
>> b/gas/testsuite/gas/elf/dwarf2-19.d
>> index 133294affe7..55d0caf4cb1 100644
>> --- a/gas/testsuite/gas/elf/dwarf2-19.d
>> +++ b/gas/testsuite/gas/elf/dwarf2-19.d
>> @@ -4,8 +4,7 @@
>> # The am33 cr16 crx ft32 mn10 msp430 nds32 and rl78 targets do not
>> evaluate the subtraction of symbols at assembly time.
>> # The mep targets turns some view computations into complex
>> relocations.
>> # The riscv targets do not support the subtraction of symbols.
>> -# The loongarch targets do not support the subtraction of symbols.
>> -#xfail: am3*-* cr16-* crx-* ft32*-* mep-* loongarch*-* mn10*-*
>> msp430-* nds32*-* riscv*-* rl78-*
>> +#xfail: am3*-* cr16-* crx-* ft32*-* mep-* mn10*-* msp430-* nds32*-*
>> riscv*-* rl78-*
>> Hex dump of section '\.rodata':
>> 0x00000000 01000102 *.*
>> diff --git a/gas/testsuite/gas/elf/dwarf2-5.d
>> b/gas/testsuite/gas/elf/dwarf2-5.d
>> index 1dd65732c50..bf1eeb5bbfd 100644
>> --- a/gas/testsuite/gas/elf/dwarf2-5.d
>> +++ b/gas/testsuite/gas/elf/dwarf2-5.d
>> @@ -4,8 +4,7 @@
>> # The am33 cr16 crx ft32 mn10 msp430 nds32 and rl78 targets do not
>> evaluate the subtraction of symbols at assembly time.
>> # The mep target tries to relay code sections which breaks symbolic
>> view computations.
>> # The riscv targets do not support the subtraction of symbols.
>> -# The loongarch targets do not support the subtraction of symbols.
>> -#xfail: am3*-* cr16-* crx-* ft32*-* loongarch*-* mep-* mn10*-*
>> msp430-* nds32*-* riscv*-* rl78-*
>> +#xfail: am3*-* cr16-* crx-* ft32*-* mep-* mn10*-* msp430-* nds32*-*
>> riscv*-* rl78-*
>> Hex dump of section '\.rodata':
>> 0x00000000 01010201 010203 *.*
>> diff --git a/gas/testsuite/gas/lns/lns.exp
>> b/gas/testsuite/gas/lns/lns.exp
>> index 7a92c54a260..58c2235b628 100644
>> --- a/gas/testsuite/gas/lns/lns.exp
>> +++ b/gas/testsuite/gas/lns/lns.exp
>> @@ -31,7 +31,6 @@ if { ![istarget s390*-*-*] } {
>> || [istarget cr16-*-*]
>> || [istarget crx-*-*]
>> || [istarget ft32*-*]
>> - || [istarget loongarch*-*-*]
>> || [istarget mn10*-*-*]
>> || [istarget msp430-*-*]
>> || [istarget nds32*-*-*]