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ir3/lower_preamble: add support for 64b values

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Now that we support 64b values in more places, they might end up being
stored in the preamble.

Signed-off-by: Job Noorman <jnoorman@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33797>
This commit is contained in:
Job Noorman 2025-06-12 12:14:46 +02:00 • committed by Marge Bot
parent 917c56c78c
commit d2f9972945
1 changed files with 14 additions and 2 deletions
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16
src/freedreno/ir3/ir3_nir_opt_preamble.c
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@ -829,11 +829,21 @@ ir3_nir_lower_preamble(nir_shader *nir, struct ir3_shader_variant *v)
unsigned offset = preamble_base + nir_intrinsic_base(intrin);
b->cursor = nir_before_instr(instr);
unsigned num_components = dest->num_components;
if (dest->bit_size == 64) {
num_components *= 2;
}
nir_def *new_dest = nir_load_const_ir3(
b, dest->num_components, 32, nir_imm_int(b, 0), .base = offset);
b, num_components, 32, nir_imm_int(b, 0), .base = offset);
if (dest->bit_size == 1) {
new_dest = nir_i2b(b, new_dest);
} else if (dest->bit_size == 64) {
assert(num_components == 2);
new_dest = nir_pack_64_2x32_split(b, nir_channel(b, new_dest, 0),
nir_channel(b, new_dest, 1));
} else if (dest->bit_size != 32) {
if (all_uses_float(dest, true)) {
assert(dest->bit_size == 16);
@ -869,7 +879,9 @@ ir3_nir_lower_preamble(nir_shader *nir, struct ir3_shader_variant *v)
if (src->bit_size == 1)
src = nir_b2i32(b, src);
if (src->bit_size != 32) {
if (src->bit_size == 64) {
src = nir_unpack_64_2x32(b, src);
} else if (src->bit_size != 32) {
if (BITSET_TEST(promoted_to_float, nir_intrinsic_base(intrin))){
assert(src->bit_size == 16);
src = nir_f2f32(b, src);