diff options
Diffstat (limited to 'gas/config/tc-m68k.c')
| -rw-r--r-- | gas/config/tc-m68k.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/gas/config/tc-m68k.c b/gas/config/tc-m68k.c index 5fe9ff9..0e9ddbe 100644 --- a/gas/config/tc-m68k.c +++ b/gas/config/tc-m68k.c @@ -4032,7 +4032,17 @@ md_apply_fix_2 (fixP, val) upper_limit = upper_limit * 2 + 1; if ((unsigned) val > upper_limit && (val > 0 || val < lower_limit)) - as_bad ("value out of range"); + as_bad_where (fixP->fx_file, fixP->fx_line, "value out of range"); + + /* A one byte PC-relative reloc means a short branch. We can't use + a short branch with a value of 0 or -1, because those indicate + different opcodes (branches with longer offsets). */ + if (fixP->fx_pcrel + && fixP->fx_size == 1 + && (fixP->fx_addsy == NULL + || S_IS_DEFINED (fixP->fx_addsy)) + && (val == 0 || val == -1)) + as_bad_where (fixP->fx_file, fixP->fx_line, "invalid byte branch offset"); } #ifdef BFD_ASSEMBLER |