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ensure buffer is initialized

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This commit is contained in:
niels
2025-11-02 16:40:52 +01:00
parent 9729b42c4f
commit 900a553e91
1 changed files with 23 additions and 8 deletions
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31
veejay-current/veejay-core/libvjmem/memcpy.c
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@@ -2060,21 +2060,36 @@ void *memset_asimd_v3(void *dst, uint8_t val, size_t n) {
if (n >= 256) {
size_t num_blocks = n >> 8;
size_t remaining_bytes = n & 255;
uint8x16_t val_vec = vdupq_n_u8(val);
uint8_t buffer[256];
for (int i = 0; i < 16; i++) {
buffer[i] = val;
}
uint8_t *p = buffer;
vst1q_u8(p, val_vec); p += 16;
vst1q_u8(p, val_vec); p += 16;
vst1q_u8(p, val_vec); p += 16;
vst1q_u8(p, val_vec); p += 16;
vst1q_u8(p, val_vec); p += 16;
vst1q_u8(p, val_vec); p += 16;
vst1q_u8(p, val_vec); p += 16;
vst1q_u8(p, val_vec); p += 16;
vst1q_u8(p, val_vec); p += 16;
vst1q_u8(p, val_vec); p += 16;
vst1q_u8(p, val_vec); p += 16;
vst1q_u8(p, val_vec); p += 16;
vst1q_u8(p, val_vec); p += 16;
vst1q_u8(p, val_vec); p += 16;
vst1q_u8(p, val_vec); p += 16;
vst1q_u8(p, val_vec); p += 16;
for (; num_blocks > 0; num_blocks--) {
memcpy_asimd_256v2(dst_bytes, buffer);
dst_bytes += 256;
}
if (remaining_bytes) {
memcpy_asimd_256v2(dst_bytes, buffer);
dst_bytes += remaining_bytes;
}
for( size_t i = 0; i < remaining_bytes; i ++ )
dst_bytes[i] = val;
} else {
while (n >= 16) {
vst1q_u8(dst_bytes, value);