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zink: run nir_lower_alu_to_scalar in optimizer loop for 64bit lowering

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ensure that pack/unpack ops aren't passing swizzles since those are hard
to implement

Reviewed-by: Adam Jackson <ajax@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16669>
This commit is contained in:
Mike Blumenkrantz 2022-05-19 18:46:36 -04:00 • committed by Marge Bot
parent 941046be80
commit b1f684c80b
1 changed files with 41 additions and 0 deletions
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41
src/gallium/drivers/zink/zink_compiler.c
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@ -411,6 +411,44 @@ zink_tgsi_to_nir(struct pipe_screen *screen, const struct tgsi_token *tokens)
return tgsi_to_nir(tokens, screen, false);
}
static bool
dest_is_64bit(nir_dest *dest, void *state)
{
bool *lower = (bool *)state;
if (dest && (nir_dest_bit_size(*dest) == 64)) {
*lower = true;
return false;
}
return true;
}
static bool
src_is_64bit(nir_src *src, void *state)
{
bool *lower = (bool *)state;
if (src && (nir_src_bit_size(*src) == 64)) {
*lower = true;
return false;
}
return true;
}
static bool
filter_64_bit_instr(const nir_instr *const_instr, UNUSED const void *data)
{
bool lower = false;
/* lower_alu_to_scalar required nir_instr to be const, but nir_foreach_*
* doesn't have const variants, so do the ugly const_cast here. */
nir_instr *instr = (nir_instr *)const_instr;
nir_foreach_dest(instr, dest_is_64bit, &lower);
if (lower)
return true;
nir_foreach_src(instr, src_is_64bit, &lower);
return lower;
}
static void
optimize_nir(struct nir_shader *s)
{
@ -420,6 +458,9 @@ optimize_nir(struct nir_shader *s)
NIR_PASS_V(s, nir_lower_vars_to_ssa);
NIR_PASS(progress, s, nir_copy_prop);
NIR_PASS(progress, s, nir_opt_remove_phis);
if (s->options->lower_int64_options) {
NIR_PASS(progress, s, nir_lower_alu_to_scalar, filter_64_bit_instr, NULL);
}
NIR_PASS(progress, s, nir_opt_dce);
NIR_PASS(progress, s, nir_opt_dead_cf);
NIR_PASS(progress, s, nir_lower_phis_to_scalar, false);