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aco: remove get_demand_before()

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The register demand before executing an instruction is now included
in the instruction's register demand and this function is unused.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29804>
This commit is contained in:
Daniel Schürmann 2024-06-20 10:23:47 +02:00 • committed by Marge Bot
parent 09f1c40f2e
commit 5cfa5b784b
3 changed files with 0 additions and 26 deletions
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2
src/amd/compiler/aco_ir.h
View file

@ -2227,8 +2227,6 @@ int get_op_fixed_to_def(Instruction* instr);
/* utilities for dealing with register demand */
RegisterDemand get_live_changes(aco_ptr<Instruction>& instr);
RegisterDemand get_temp_registers(aco_ptr<Instruction>& instr);
RegisterDemand get_demand_before(RegisterDemand demand, aco_ptr<Instruction>& instr,
aco_ptr<Instruction>& instr_before);
/* number of sgprs that need to be allocated but might notbe addressable as s0-s105 */
uint16_t get_extra_sgprs(Program* program);

11
src/amd/compiler/aco_live_var_analysis.cpp
View file

@ -75,17 +75,6 @@ get_temp_registers(aco_ptr<Instruction>& instr)
return demand_after;
}
RegisterDemand
get_demand_before(RegisterDemand demand, aco_ptr<Instruction>& instr,
aco_ptr<Instruction>& instr_before)
{
demand -= get_live_changes(instr);
demand -= get_temp_registers(instr);
if (instr_before)
demand += get_temp_registers(instr_before);
return demand;
}
namespace {
struct PhiInfo {
uint16_t logical_phi_sgpr_ops = 0;

13
src/amd/compiler/aco_spill.cpp
View file

@ -295,19 +295,6 @@ get_rematerialize_info(spill_ctx& ctx)
}
}
RegisterDemand
get_demand_before(spill_ctx& ctx, unsigned block_idx, unsigned idx)
{
if (idx == 0) {
RegisterDemand demand = ctx.program->live.register_demand[block_idx][idx];
aco_ptr<Instruction>& instr = ctx.program->blocks[block_idx].instructions[idx];
aco_ptr<Instruction> instr_before(nullptr);
return get_demand_before(demand, instr, instr_before);
} else {
return ctx.program->live.register_demand[block_idx][idx - 1];
}
}
RegisterDemand
init_live_in_vars(spill_ctx& ctx, Block* block, unsigned block_idx)
{