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pan/bi: Allow 64-bit vectors in bi_make_vec_to()

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Reviewed-by: Lars-Ivar Hesselberg Simonsen <lars-ivar.simonsen@arm.com>
Reviewed-by: Christoph Pillmayer <christoph.pillmayer@arm.com>
Reviewed-by: Lorenzo Rossi <lorenzo.rossi@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/40576>
This commit is contained in:
Faith Ekstrand 2026-03-24 10:00:52 -04:00 • committed by Marge Bot
parent f09f080835
commit 4be0e46e61
1 changed files with 13 additions and 4 deletions
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17
src/panfrost/compiler/bifrost/bifrost_compile.c
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@ -881,15 +881,24 @@ bi_instr *
bi_make_vec_to(bi_builder *b, bi_index dst, bi_index *src, unsigned *channel,
unsigned count, unsigned bitsize)
{
assert(bitsize == 8 || bitsize == 16 || bitsize == 32);
unsigned shift = (bitsize == 32) ? 0 : (bitsize == 16) ? 1 : 2;
unsigned chan_per_word = 1 << shift;
assert(DIV_ROUND_UP(count * bitsize, 32) <= BI_MAX_SRCS &&
"unnecessarily large vector should have been lowered");
bi_index srcs[BI_MAX_VEC];
if (bitsize == 64) {
for (unsigned i = 0; i < count; i++) {
const unsigned c = channel ? channel[i] : 0;
srcs[i * 2 + 0] = bi_extract(b, src[i], c * 2 + 0);
srcs[i * 2 + 1] = bi_extract(b, src[i], c * 2 + 1);
}
return bi_emit_collect_to(b, dst, srcs, count * 2);
}
assert(bitsize == 8 || bitsize == 16 || bitsize == 32);
unsigned shift = (bitsize == 32) ? 0 : (bitsize == 16) ? 1 : 2;
unsigned chan_per_word = 1 << shift;
for (unsigned i = 0; i < count; i += chan_per_word) {
unsigned rem = MIN2(count - i, chan_per_word);
unsigned *channel_offset = channel ? (channel + i) : NULL;