diff options
Diffstat (limited to 'gcc/genoutput.c')
| -rw-r--r-- | gcc/genoutput.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/genoutput.c b/gcc/genoutput.c index 26fb1ac..b3ce120 100644 --- a/gcc/genoutput.c +++ b/gcc/genoutput.c @@ -781,6 +781,11 @@ validate_insn_alternatives (struct data *d) for (p = d->operand[start].constraint; (c = *p); p += len) { + if ((c == '%' || c == '=' || c == '+') + && p != d->operand[start].constraint) + error_with_line (d->lineno, + "character '%c' can only be used at the" + " beginning of a constraint string", c); #ifdef USE_MD_CONSTRAINTS if (ISSPACE (c) || strchr (indep_constraints, c)) len = 1; |