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More optimization for r54854's search_nonascii

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54857 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
naruse 2016-04-30 16:32:36 +00:00
parent 30c2d8ba85
commit 424a706afe
1 changed files with 10 additions and 10 deletions
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20
string.c
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@ -455,19 +455,19 @@ search_nonascii(const char *p, const char *e)
p = (const char *)s;
}
switch ((e - p) % SIZEOF_VOIDP) {
switch (e - p) {
default: UNREACHABLE;
#if SIZEOF_VOIDP > 4
case 7: if (*p&0x80) return p; p++;
case 6: if (*p&0x80) return p; p++;
case 5: if (*p&0x80) return p; p++;
case 4: if (*p&0x80) return p; p++;
case 7: if (e[-7]&0x80) return e-7;
case 6: if (e[-6]&0x80) return e-6;
case 5: if (e[-5]&0x80) return e-5;
case 4: if (e[-4]&0x80) return e-4;
#endif
case 3: if (*p&0x80) return p; p++;
case 2: if (*p&0x80) return p; p++;
case 1: if (*p&0x80) return p;
case 3: if (e[-3]&0x80) return e-3;
case 2: if (e[-2]&0x80) return e-2;
case 1: if (e[-1]&0x80) return e-1;
case 0: return NULL;
}
return NULL;
}
static int