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

aco: add can_use_DPP() and convert_to_DPP()

Browse Source 
Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11924>
This commit is contained in:
Rhys Perry
2021-07-14 17:11:44 +01:00
committed by Marge Bot
parent a9562fd0d6
commit 3db3196379
2 changed files with 76 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

74
src/amd/compiler/aco_ir.cpp
View File

@@ -24,6 +24,8 @@
#include "aco_ir.h"
#include "aco_builder.h"
#include "util/debug.h"
#include "c11/threads.h"
@@ -302,6 +304,78 @@ convert_to_SDWA(chip_class chip, aco_ptr<Instruction>& instr)
return tmp;
}
bool
can_use_DPP(const aco_ptr<Instruction>& instr, bool pre_ra)
{
assert(instr->isVALU() && !instr->operands.empty());
if (instr->isDPP())
return true;
if (instr->operands.size() && instr->operands[0].isLiteral())
return false;
if (instr->isSDWA())
return false;
if (!pre_ra && (instr->isVOPC() || instr->definitions.size() > 1) &&
instr->definitions.back().physReg() != vcc)
return false;
if (!pre_ra && instr->operands.size() >= 3 && instr->operands[2].physReg() != vcc)
return false;
if (instr->isVOP3()) {
const VOP3_instruction* vop3 = &instr->vop3();
if (vop3->clamp || vop3->omod || vop3->opsel)
return false;
if (instr->format == Format::VOP3)
return false;
}
/* there are more cases but those all take 64-bit inputs */
return instr->opcode != aco_opcode::v_madmk_f32 && instr->opcode != aco_opcode::v_madak_f32 &&
instr->opcode != aco_opcode::v_madmk_f16 && instr->opcode != aco_opcode::v_madak_f16 &&
instr->opcode != aco_opcode::v_readfirstlane_b32 &&
instr->opcode != aco_opcode::v_cvt_f64_i32 &&
instr->opcode != aco_opcode::v_cvt_f64_f32 && instr->opcode != aco_opcode::v_cvt_f64_u32;
}
aco_ptr<Instruction>
convert_to_DPP(aco_ptr<Instruction>& instr)
{
if (instr->isDPP())
return NULL;
aco_ptr<Instruction> tmp = std::move(instr);
Format format =
(Format)(((uint32_t)tmp->format & ~(uint32_t)Format::VOP3) | (uint32_t)Format::DPP);
instr.reset(create_instruction<DPP_instruction>(tmp->opcode, format, tmp->operands.size(),
tmp->definitions.size()));
std::copy(tmp->operands.cbegin(), tmp->operands.cend(), instr->operands.begin());
for (unsigned i = 0; i < instr->definitions.size(); i++)
instr->definitions[i] = tmp->definitions[i];
DPP_instruction* dpp = &instr->dpp();
dpp->dpp_ctrl = dpp_quad_perm(0, 1, 2, 3);
dpp->row_mask = 0xf;
dpp->bank_mask = 0xf;
if (tmp->isVOP3()) {
const VOP3_instruction* vop3 = &tmp->vop3();
memcpy(dpp->neg, vop3->neg, sizeof(dpp->neg));
memcpy(dpp->abs, vop3->abs, sizeof(dpp->abs));
}
if (instr->isVOPC() || instr->definitions.size() > 1)
instr->definitions.back().setFixed(vcc);
if (instr->operands.size() >= 3)
instr->operands[2].setFixed(vcc);
return tmp;
}
bool
can_use_opsel(chip_class chip, aco_opcode op, int idx, bool high)
{