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aco: add adjust_bpermute_dst helper

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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/24693>
This commit is contained in:
Rhys Perry
2023-08-23 10:39:11 +01:00
parent 9169fbf83c
commit 1d29a1e2fc
1 changed files with 16 additions and 24 deletions
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40
src/amd/compiler/aco_lower_to_hw_instr.cpp
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@@ -931,6 +931,19 @@ emit_reduction(lower_context* ctx, aco_opcode op, ReduceOp reduce_op, unsigned c
}
}
void
adjust_bpermute_dst(Builder& bld, Definition dst, Operand input_data)
{
/* RA assumes that the result is always in the low part of the register, so we have to shift,
* if it's not there already.
*/
if (input_data.physReg().byte()) {
unsigned right_shift = input_data.physReg().byte() * 8;
bld.vop2(aco_opcode::v_lshrrev_b32, dst, Operand::c32(right_shift),
Operand(dst.physReg(), dst.regClass()));
}
}
void
emit_bpermute_permlane(Program* program, aco_ptr<Instruction>& instr, Builder& bld)
{
@@ -982,14 +995,7 @@ emit_bpermute_permlane(Program* program, aco_ptr<Instruction>& instr, Builder& b
bld.vop2_e64(aco_opcode::v_cndmask_b32, dst, tmp_op, Operand(dst.physReg(), dst.regClass()),
same_half);
/* RA assumes that the result is always in the low part of the register, so we have to shift,
* if it's not there already.
*/
if (input_data.physReg().byte()) {
unsigned right_shift = input_data.physReg().byte() * 8;
bld.vop2(aco_opcode::v_lshrrev_b32, dst, Operand::c32(right_shift),
Operand(dst.physReg(), dst.regClass()));
}
adjust_bpermute_dst(bld, dst, input_data);
}
void
@@ -1061,14 +1067,7 @@ emit_bpermute_shared_vgpr(Program* program, aco_ptr<Instruction>& instr, Builder
/* Restore saved EXEC */
bld.sop1(aco_opcode::s_mov_b64, Definition(exec, s2), Operand(tmp_exec.physReg(), s2));
/* RA assumes that the result is always in the low part of the register, so we have to shift,
* if it's not there already.
*/
if (input_data.physReg().byte()) {
unsigned right_shift = input_data.physReg().byte() * 8;
bld.vop2(aco_opcode::v_lshrrev_b32, dst, Operand::c32(right_shift),
Operand(dst.physReg(), v1));
}
adjust_bpermute_dst(bld, dst, input_data);
}
void
@@ -1111,14 +1110,7 @@ emit_bpermute_readlane(Program* program, aco_ptr<Instruction>& instr, Builder& b
bld.sop1(Builder::s_mov, Definition(exec, bld.lm), Operand(temp_exec.physReg(), bld.lm));
}
/* RA assumes that the result is always in the low part of the register, so we have to shift,
* if it's not there already.
*/
if (input.physReg().byte()) {
unsigned right_shift = input.physReg().byte() * 8;
bld.vop2(aco_opcode::v_lshrrev_b32, dst, Operand::c32(right_shift),
Operand(dst.physReg(), v1));
}
adjust_bpermute_dst(bld, dst, input);
}
struct copy_operation {