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pan/bi: Passthrough direct ld_var addresses

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Don't bother wasting a constant.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4883>
This commit is contained in:
Alyssa Rosenzweig
2020-05-01 14:54:40 -04:00
parent 513c774d58
commit c5ef35c433
1 changed files with 4 additions and 1 deletions
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5
src/panfrost/bifrost/bi_pack.c
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@@ -169,6 +169,10 @@ bi_assign_uniform_constant_single(
if (s == 0 && (ins->type == BI_LOAD_VAR_ADDRESS || ins->type == BI_LOAD_ATTR)) continue;
if (ins->src[s] & BIR_INDEX_CONSTANT) {
/* Let direct addresses through */
if (ins->type == BI_LOAD_VAR)
continue;
bool hi = false;
bool b64 = nir_alu_type_get_type_size(ins->src_types[s]) > 32;
uint64_t cons = bi_get_immediate(ins, s);
@@ -1199,7 +1203,6 @@ bi_pack_add_ld_vary(bi_clause *clause, bi_instruction *ins, struct bi_registers
if (ins->src[0] & BIR_INDEX_CONSTANT) {
/* Direct uses address field directly */
packed_addr = bi_get_immediate(ins, 0);
assert(packed_addr < 0b1000);
} else {
/* Indirect gets an extra source */
packed_addr = bi_get_src(ins, regs, 0, false) | 0b11000;