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Small optimization.

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This commit is contained in:
Bruno Haible
2000-08-19 15:11:41 +00:00
parent 308891a090
commit 51e5c7f72c
2 changed files with 59 additions and 51 deletions
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106
src/key-list.cc
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@@ -1675,60 +1675,64 @@ Key_List::output_lookup_function_body (const Output_Compare& comparison)
indent -= 4;
printf ("%*s }\n", indent, "");
}
printf ("%*s else if (index < -TOTAL_KEYWORDS)\n"
"%*s {\n"
"%*s register int offset = - 1 - TOTAL_KEYWORDS - index;\n",
indent, "", indent, "", indent, "");
if (option[LENTABLE])
printf ("%*s register %s%s *lengthptr = &lengthtable[TOTAL_KEYWORDS + lookup[offset]];\n",
indent, "", const_always, smallest_integral_type (max_key_len));
printf ("%*s register ",
indent, "");
output_const_type (const_readonly_array, struct_tag);
printf ("*wordptr = &%s[TOTAL_KEYWORDS + lookup[offset]];\n",
option.get_wordlist_name ());
printf ("%*s register ",
indent, "");
output_const_type (const_readonly_array, struct_tag);
printf ("*wordendptr = wordptr + -lookup[offset + 1];\n\n");
printf ("%*s while (wordptr < wordendptr)\n"
"%*s {\n",
indent, "", indent, "");
if (option[LENTABLE])
if (total_duplicates > 0)
{
printf ("%*s if (len == *lengthptr)\n"
"%*s {\n",
indent, "", indent, "");
indent += 4;
}
printf ("%*s register %schar *s = ",
indent, "", const_always);
if (option[TYPE])
printf ("wordptr->%s", option.get_key_name ());
else
printf ("*wordptr");
printf (";\n\n"
"%*s if (",
indent, "");
comparison.output_comparison (Output_Expr1 ("str"), Output_Expr1 ("s"));
printf (")\n"
"%*s return %s;\n",
indent, "",
option[TYPE] ? "wordptr" : "s");
if (option[LENTABLE])
{
indent -= 4;
printf ("%*s }\n",
printf ("%*s else if (index < -TOTAL_KEYWORDS)\n"
"%*s {\n"
"%*s register int offset = - 1 - TOTAL_KEYWORDS - index;\n",
indent, "", indent, "", indent, "");
if (option[LENTABLE])
printf ("%*s register %s%s *lengthptr = &lengthtable[TOTAL_KEYWORDS + lookup[offset]];\n",
indent, "", const_always, smallest_integral_type (max_key_len));
printf ("%*s register ",
indent, "");
output_const_type (const_readonly_array, struct_tag);
printf ("*wordptr = &%s[TOTAL_KEYWORDS + lookup[offset]];\n",
option.get_wordlist_name ());
printf ("%*s register ",
indent, "");
output_const_type (const_readonly_array, struct_tag);
printf ("*wordendptr = wordptr + -lookup[offset + 1];\n\n");
printf ("%*s while (wordptr < wordendptr)\n"
"%*s {\n",
indent, "", indent, "");
if (option[LENTABLE])
{
printf ("%*s if (len == *lengthptr)\n"
"%*s {\n",
indent, "", indent, "");
indent += 4;
}
printf ("%*s register %schar *s = ",
indent, "", const_always);
if (option[TYPE])
printf ("wordptr->%s", option.get_key_name ());
else
printf ("*wordptr");
printf (";\n\n"
"%*s if (",
indent, "");
comparison.output_comparison (Output_Expr1 ("str"), Output_Expr1 ("s"));
printf (")\n"
"%*s return %s;\n",
indent, "",
option[TYPE] ? "wordptr" : "s");
if (option[LENTABLE])
{
indent -= 4;
printf ("%*s }\n",
indent, "");
}
if (option[LENTABLE])
printf ("%*s lengthptr++;\n",
indent, "");
printf ("%*s wordptr++;\n"
"%*s }\n"
"%*s }\n",
indent, "", indent, "", indent, "");
}
if (option[LENTABLE])
printf ("%*s lengthptr++;\n",
indent, "");
printf ("%*s wordptr++;\n"
"%*s }\n"
"%*s }\n"
"%*s}\n",
indent, "", indent, "", indent, "", indent, "");
printf ("%*s}\n",
indent, "");
}
else
{