diff options
Diffstat (limited to 'gcc/genoutput.c')
| -rw-r--r-- | gcc/genoutput.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/genoutput.c b/gcc/genoutput.c index ba7fd4c..be4fb00 100644 --- a/gcc/genoutput.c +++ b/gcc/genoutput.c @@ -1122,7 +1122,10 @@ note_constraint (rtx exp, int lineno) unsigned int namelen = strlen (name); struct constraint_data **iter, **slot, *new; - if (strchr (indep_constraints, name[0])) + /* The 'm' constraint is special here since that constraint letter + can be overridden by the back end by defining the + TARGET_MEM_CONSTRAINT macro. */ + if (strchr (indep_constraints, name[0]) && name[0] != 'm') { if (name[1] == '\0') message_with_line (lineno, "constraint letter '%s' cannot be " |