OpenHarmony/third_party_mesa3d
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

aco: improve sub-dword emit_split_vector() with sgprs

Browse Source 
Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4639>
This commit is contained in:
Rhys Perry
2020-04-23 17:23:21 +01:00
committed by Marge Bot
parent a3dc1441f0
commit bcd9467d5c
1 changed files with 7 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
src/amd/compiler/aco_instruction_selection.cpp
View File

@@ -304,20 +304,21 @@ void emit_split_vector(isel_context* ctx, Temp vec_src, unsigned num_components)
return;
if (ctx->allocated_vec.find(vec_src.id()) != ctx->allocated_vec.end())
return;
aco_ptr<Pseudo_instruction> split{create_instruction<Pseudo_instruction>(aco_opcode::p_split_vector, Format::PSEUDO, 1, num_components)};
split->operands[0] = Operand(vec_src);
std::array<Temp,NIR_MAX_VEC_COMPONENTS> elems;
RegClass rc;
if (num_components > vec_src.size()) {
if (vec_src.type() == RegType::sgpr)
if (vec_src.type() == RegType::sgpr) {
/* should still help get_alu_src() */
emit_split_vector(ctx, vec_src, vec_src.size());
return;
}
/* sub-dword split */
assert(vec_src.type() == RegType::vgpr);
rc = RegClass(RegType::vgpr, vec_src.bytes() / num_components).as_subdword();
} else {
rc = RegClass(vec_src.type(), vec_src.size() / num_components);
}
aco_ptr<Pseudo_instruction> split{create_instruction<Pseudo_instruction>(aco_opcode::p_split_vector, Format::PSEUDO, 1, num_components)};
split->operands[0] = Operand(vec_src);
std::array<Temp,NIR_MAX_VEC_COMPONENTS> elems;
for (unsigned i = 0; i < num_components; i++) {
elems[i] = {ctx->program->allocateId(), rc};
split->definitions[i] = Definition(elems[i]);