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fix NEON memset warnings and unsafe casts, safely handle leftover bytes

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This commit is contained in:
niels
2025-11-02 16:32:20 +01:00
parent 801da332f2
commit 9729b42c4f
1 changed files with 12 additions and 4 deletions
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16
veejay-current/veejay-core/libvjmem/memcpy.c
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@@ -2187,8 +2187,12 @@ void memset_asimd_64(uint8_t *dst, uint8_t value, size_t size) {
remaining_bytes -= 16;
}
while (remaining_bytes >= 8) {
uint64x1_t value_u64 = vdup_n_u64(*((uint64_t*)&value));
if(remaining_bytes >= 8) {
uint64_t val64 = (uint64_t)value;
val64 |= val64 << 8;
val64 |= val64 << 16;
val64 |= val64 << 32;
uint64x1_t value_u64 = vdup_n_u64(val64);
vst1_u8(dst, vreinterpret_u8_u64(value_u64));
dst += 8;
remaining_bytes -= 8;
@@ -2224,8 +2228,12 @@ void memset_asimd_32(uint8_t *dst, uint8_t value, size_t size) {
remaining_bytes -= 16;
}
while (remaining_bytes >= 8) {
uint64x1_t value_u64 = vdup_n_u64(*((uint64_t*)&value));
if(remaining_bytes >= 8) {
uint64_t val64 = (uint64_t) value;
val64 |= val64 << 8;
val64 |= val64 << 16;
val64 |= val64 << 32;
uint64x1_t value_u64 = vdup_n_u64(val64);
vst1_u8(dst, vreinterpret_u8_u64(value_u64));
dst += 8;
remaining_bytes -= 8;