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veejay
2023-09-18 22:21:10 +02:00
parent f531abcdbe
commit cec993b3d2
1 changed files with 24 additions and 26 deletions
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50
veejay-current/veejay-core/libvjmem/memcpy.c
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@@ -581,32 +581,6 @@ void packed_plane_clear( size_t len, void *to )
}
}
void *memset_64(void *ptr, int value, size_t num) {
uint8_t *dest = (uint8_t *)ptr;
uint8_t byte_value = (uint8_t)value;
size_t num_bytes = num;
size_t num_words = num_bytes / sizeof(size_t);
size_t remainder = num_bytes % sizeof(size_t);
size_t pattern = 0;
for (size_t i = 0; i < sizeof(size_t); i++) {
pattern = (pattern << 8) | byte_value;
}
for (size_t i = 0; i < num_words; i++) {
*((size_t *)(dest + i * sizeof(size_t))) = pattern;
}
for (size_t i = 0; i < remainder; i++) {
dest[num_words * sizeof(size_t) + i] = byte_value;
}
return ptr;
}
#if defined (__SSE4_1__)
static void *sse41_memcpy(void *to, const void *from, size_t len) {
void *retval = to;
@@ -2091,6 +2065,30 @@ void memset_asimd_32(uint8_t *dst, uint8_t value, size_t size) {
#endif
void *memset_64(void *ptr, int value, size_t num) {
uint8_t *dest = (uint8_t *)ptr;
uint8_t byte_value = (uint8_t)value;
size_t num_bytes = num;
size_t num_words = num_bytes / sizeof(size_t);
size_t remainder = num_bytes % sizeof(size_t);
size_t pattern = 0;
for (size_t i = 0; i < sizeof(size_t); i++) {
pattern = (pattern << 8) | byte_value;
}
for (size_t i = 0; i < num_words; i++) {
*((size_t *)(dest + i * sizeof(size_t))) = pattern;
}
for (size_t i = 0; i < remainder; i++) {
dest[num_words * sizeof(size_t) + i] = byte_value;
}
return ptr;
}
static struct {
const char *name;
void *(*function)(void *to, const void *from, size_t len);