genpreds.c (write_lookup_constraint): Do not compare first letter of the constraint...

2013-02-20  Richard Biener  <rguenther@suse.de>

	* genpreds.c (write_lookup_constraint): Do not compare first
	letter of the constraint again.

From-SVN: r196167

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 2a92d350a42d19012d487c256f3d2ec9e6386860..8bfaaa38ca9c14d3ce325d8a046f051066ffb629 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2013-02-20  Richard Biener  <rguenther@suse.de>
+
+       * genpreds.c (write_lookup_constraint): Do not compare first
+       letter of the constraint again.
+
 2013-02-20  Richard Biener  <rguenther@suse.de>
 
        * tree-ssa-loop-ivopts.c (alloc_use_cost_map): Use bitmap_count_bits

diff --git a/gcc/genpreds.c b/gcc/genpreds.c
index 09fc87b3dd1f889719688fbf0b78c0f05fa1859c..98488e30b8bb2e762a3d8befcb1ad53ba9e44a6e 100644 (file)
--- a/gcc/genpreds.c
+++ b/gcc/genpreds.c
@@ -945,9 +945,10 @@ write_lookup_constraint (void)
        {
          do
            {
-             printf ("      if (!strncmp (str, \"%s\", %lu))\n"
+             printf ("      if (!strncmp (str + 1, \"%s\", %lu))\n"
                      "        return CONSTRAINT_%s;\n",
-                     c->name, (unsigned long int) c->namelen, c->c_name);
+                     c->name + 1, (unsigned long int) c->namelen - 1,
+                     c->c_name);
              c = c->next_this_letter;
            }
          while (c);