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string.c: trivial optimizations

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* string.c (rb_str_aset): prefer BUILTIN_TYPE over TYPE after
  SPECIAL_CONST_P check.

* string.c (rb_str_start_with): prefer RB_TYPE_P over switch by
  TYPE.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63543 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2018-06-01 06:53:26 +00:00
parent ccdcc7300d
commit ce2f4f8526
1 changed files with 6 additions and 9 deletions
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15
string.c
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@ -4724,7 +4724,7 @@ rb_str_aset(VALUE str, VALUE indx, VALUE val)
}
if (SPECIAL_CONST_P(indx)) goto generic;
switch (TYPE(indx)) {
switch (BUILTIN_TYPE(indx)) {
case T_REGEXP:
rb_str_subpat_set(str, indx, INT2FIX(0), val);
return val;
@ -9628,14 +9628,11 @@ rb_str_start_with(int argc, VALUE *argv, VALUE str)
for (i=0; i<argc; i++) {
VALUE tmp = argv[i];
switch (TYPE(tmp)) {
case T_REGEXP:
{
bool r = rb_reg_start_with_p(tmp, str);
if (r) return Qtrue;
}
break;
default:
if (RB_TYPE_P(tmp, T_REGEXP)) {
if (rb_reg_start_with_p(tmp, str))
return Qtrue;
}
else {
StringValue(tmp);
rb_enc_check(str, tmp);
if (RSTRING_LEN(str) < RSTRING_LEN(tmp)) continue;