Saying hello

facil-io · Feb 22, 2024 · 74b013e · 74b013e
1 parent 9a13ce8
commit 74b013e
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Showing 2 changed files with 28 additions and 2 deletions.
diff --git a/fio-stl.h b/fio-stl.h
@@ -1104,6 +1104,19 @@ FIO___MAKE_MEMCPY_FIXED(32)
 FIO___MAKE_MEMCPY_FIXED(64)
 /** Copies 128 bytes from `src` (`s`) to `dest` (`d`). */
 FIO___MAKE_MEMCPY_FIXED(128)
+
+#if !(__has_builtin(__builtin_memcpy))
+#undef FIO___MAKE_MEMCPY_FIXED
+#define FIO___MAKE_MEMCPY_FIXED(bytes)                                         \
+  FIO_SFUNC void *fio_memcpy##bytes(void *restrict d,                          \
+                                    const void *restrict s) {                  \
+    void *const r = (char *)d + bytes;                                         \
+    for (size_t i = 0; i < (bytes); i += 128) /* compiler, please vectorize */ \
+      fio_memcpy128(((char *)d)[i], ((const char *)s)[i]);                     \
+    return r;                                                                  \
+  }
+#endif /* __has_builtin(__builtin_memcpy) */
+
 /** Copies 256 bytes from `src` (`s`) to `dest` (`d`). */
 FIO___MAKE_MEMCPY_FIXED(256)
 /** Copies 512 bytes from `src` (`s`) to `dest` (`d`). */
@@ -1184,7 +1197,7 @@ FIO_SFUNC void *fio___memcpy_unsafe_x(void *restrict d_,
 }
 
 #define FIO___MEMCPYX_MAKER(lim, fn)                                           \
-  FIO_SFUNC void *fio_memcpy##lim##x(void *restrict d,                         \
+  FIO_IFUNC void *fio_memcpy##lim##x(void *restrict d,                         \
                                      const void *restrict s,                   \
                                      size_t l) {                               \
     return fn(d, s, (l & lim));                                                \

diff --git a/fio-stl/000 core.h b/fio-stl/000 core.h
@@ -1067,6 +1067,19 @@ FIO___MAKE_MEMCPY_FIXED(32)
 FIO___MAKE_MEMCPY_FIXED(64)
 /** Copies 128 bytes from `src` (`s`) to `dest` (`d`). */
 FIO___MAKE_MEMCPY_FIXED(128)
+
+#if !(__has_builtin(__builtin_memcpy))
+#undef FIO___MAKE_MEMCPY_FIXED
+#define FIO___MAKE_MEMCPY_FIXED(bytes)                                         \
+  FIO_SFUNC void *fio_memcpy##bytes(void *restrict d,                          \
+                                    const void *restrict s) {                  \
+    void *const r = (char *)d + bytes;                                         \
+    for (size_t i = 0; i < (bytes); i += 128) /* compiler, please vectorize */ \
+      fio_memcpy128(((char *)d)[i], ((const char *)s)[i]);                     \
+    return r;                                                                  \
+  }
+#endif /* __has_builtin(__builtin_memcpy) */
+
 /** Copies 256 bytes from `src` (`s`) to `dest` (`d`). */
 FIO___MAKE_MEMCPY_FIXED(256)
 /** Copies 512 bytes from `src` (`s`) to `dest` (`d`). */
@@ -1147,7 +1160,7 @@ FIO_SFUNC void *fio___memcpy_unsafe_x(void *restrict d_,
 }
 
 #define FIO___MEMCPYX_MAKER(lim, fn)                                           \
-  FIO_SFUNC void *fio_memcpy##lim##x(void *restrict d,                         \
+  FIO_IFUNC void *fio_memcpy##lim##x(void *restrict d,                         \
                                      const void *restrict s,                   \
                                      size_t l) {                               \
     return fn(d, s, (l & lim));                                                \