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string.c (memsearch_swar): changed the function name

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For your information, SWAR stands for SIMD within a register.
This commit is contained in:
Yukihiro "Matz" Matsumoto
2024-01-31 21:37:39 +09:00
parent f8527f0670
commit cac698fe88
1 changed files with 6 additions and 4 deletions
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src/string.c
+6 -4
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@@ -566,8 +566,10 @@ str_index_str_by_char(mrb_state *mrb, mrb_value str, mrb_value sub, mrb_int pos)
#define str_index_str_by_char(mrb, str, sub, pos) str_index_str((mrb), (str), (sub), (pos))
#endif
/* The function is taken from http://0x80.pl/articles/simd-strfind.html */
/* The original source code is under 2-clause BSD license; see LEGAL file. */
/* memsearch_swar (SWAR stands for SIMD within a register) */
/* See https://en.wikipedia.org/wiki/SWAR */
/* The function is taken from http://0x80.pl/articles/simd-strfind.html */
/* The original source code is under 2-clause BSD license; see LEGAL file. */
/* The modifications:
* port from C++ to C
* returns mrb_int
@@ -576,7 +578,7 @@ str_index_str_by_char(mrb_state *mrb, mrb_value str, mrb_value sub, mrb_int pos)
* fixed potential buffer overflow
*/
static inline mrb_int
mrb_memsearch_ss(const char *xs, long m, const char *ys, long n)
memsearch_swar(const char *xs, long m, const char *ys, long n)
{
#ifdef MRB_64BIT
#define bitint uint64_t
@@ -668,7 +670,7 @@ mrb_memsearch(const char *x, mrb_int m, const char *y, mrb_int n)
if (p) return (mrb_int)(p - y);
return -1;
}
return mrb_memsearch_ss(x, m, y, n);
return memsearch_swar(x, m, y, n);
}
static void