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nouveau/mme: Use ADD for ine with an immediate

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Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24326>
This commit is contained in:
Faith Ekstrand 2023-03-28 23:31:20 -05:00 • committed by Marge Bot
parent 837b622dbf
commit ccf004837a
1 changed files with 19 additions and 2 deletions
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21
src/nouveau/mme/mme_fermi_builder.c
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@ -469,6 +469,23 @@ mme_fermi_end_cf(struct mme_builder *b, enum mme_cf_type type)
return cf;
}
static struct mme_value
mme_fermi_neq(struct mme_builder *b, struct mme_value x, struct mme_value y)
{
struct mme_fermi_builder *fb = &b->fermi;
/* Generate some value that's non-zero if x != y */
struct mme_value res = mme_alloc_reg(b);
if (x.type == MME_VALUE_TYPE_IMM && is_int18(-x.imm)) {
mme_fermi_add_imm18(fb, res, y, -x.imm);
} else if (y.type == MME_VALUE_TYPE_IMM && is_int18(-y.imm)) {
mme_fermi_add_imm18(fb, res, x, -y.imm);
} else {
mme_xor_to(b, res, x, y);
}
return res;
}
void
mme_fermi_start_if(struct mme_builder *b,
enum mme_cmp_op op,
@ -483,7 +500,7 @@ mme_fermi_start_if(struct mme_builder *b,
} else if (mme_is_zero(y)) {
mme_fermi_start_cf(b, MME_CF_TYPE_IF, x, if_true);
} else {
struct mme_value tmp = mme_xor(b, x, y);
struct mme_value tmp = mme_fermi_neq(b, x, y);
mme_fermi_start_cf(b, MME_CF_TYPE_IF, tmp, if_true);
mme_free_reg(b, tmp);
}
@ -528,7 +545,7 @@ mme_fermi_end_while(struct mme_builder *b,
} else if (mme_is_zero(y)) {
mme_fermi_end_while_zero(b, x, if_true);
} else {
struct mme_value tmp = mme_xor(b, x, y);
struct mme_value tmp = mme_fermi_neq(b, x, y);
mme_fermi_end_while_zero(b, tmp, if_true);
mme_free_reg(b, tmp);
}