OpenE2K
/
gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

cppexp.c (cpp_parse_expr): Set HAVE_VALUE flag for unary minus, even if skip_evaluation is true. 

* cppexp.c (cpp_parse_expr):  Set HAVE_VALUE flag for unary
minus, even if skip_evaluation is true.

From-SVN: r11085
This commit is contained in:
Per Bothner 1996-01-22 15:40:12 -08:00
parent de5529c85d
commit 52529158ea
1 changed files with 4 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
gcc/cppexp.c
View File

@ -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);
}