diff options
Diffstat (limited to 'gcc/cppexp.c')
| -rw-r--r-- | gcc/cppexp.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/gcc/cppexp.c b/gcc/cppexp.c index b830f9b..043098a 100644 --- a/gcc/cppexp.c +++ b/gcc/cppexp.c @@ -279,7 +279,7 @@ static struct token tokentab2[] = { struct operation cpp_lex (pfile) -cpp_reader *pfile; + cpp_reader *pfile; { register int c; register int namelen; @@ -793,11 +793,10 @@ cpp_parse_expr (pfile) } break; case '-': - if (skip_evaluation) ; /* do nothing */ - else if (!(top->flags & HAVE_VALUE)) + if (!(top->flags & HAVE_VALUE)) { /* Unary '-' */ top->value = - v2; - if ((top->value & v2) < 0 && ! unsigned2) + if (!skip_evaluation && (top->value & v2) < 0 && !unsigned2) integer_overflow (pfile); top->unsignedp = unsigned2; top->flags |= HAVE_VALUE; @@ -806,7 +805,7 @@ cpp_parse_expr (pfile) { /* Binary '-' */ top->value = v1 - v2; top->unsignedp = unsigned1 || unsigned2; - if (! top->unsignedp + if (! top->unsignedp && ! skip_evaluation && ! possible_sum_sign (top->value, v2, v1)) integer_overflow (pfile); } |