From b8f2edb452e064422e3f32b89aae15dfd879399d Mon Sep 17 00:00:00 2001 From: =?utf8?q?Timur=20Krist=C3=B3f?= Date: Wed, 27 Nov 2019 11:09:20 +0100 Subject: [PATCH] aco/wave32: Fix load_local_invocation_index to support wave32. MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Timur Kristóf Reviewed-by: Daniel Schürmann --- src/amd/compiler/aco_instruction_selection.cpp | 18 +++++++++++++++--- 1 file changed, 15 insertions(+), 3 deletions(-) diff --git a/src/amd/compiler/aco_instruction_selection.cpp b/src/amd/compiler/aco_instruction_selection.cpp index 9de9d5dec14..3d061bbb448 100644 --- a/src/amd/compiler/aco_instruction_selection.cpp +++ b/src/amd/compiler/aco_instruction_selection.cpp @@ -5667,9 +5667,21 @@ void visit_intrinsic(isel_context *ctx, nir_intrinsic_instr *instr) } case nir_intrinsic_load_local_invocation_index: { Temp id = emit_mbcnt(ctx, bld.def(v1)); - Temp tg_num = bld.sop2(aco_opcode::s_and_b32, bld.def(s1), bld.def(s1, scc), Operand(0xfc0u), - get_arg(ctx, ctx->args->ac.tg_size)); - bld.vop2(aco_opcode::v_or_b32, Definition(get_ssa_temp(ctx, &instr->dest.ssa)), tg_num, id); + + /* The tg_size bits [6:11] contain the subgroup id, + * we need this multiplied by the wave size, and then OR the thread id to it. + */ + if (ctx->program->wave_size == 64) { + /* After the s_and the bits are already multiplied by 64 (left shifted by 6) so we can just feed that to v_or */ + Temp tg_num = bld.sop2(aco_opcode::s_and_b32, bld.def(s1), bld.def(s1, scc), Operand(0xfc0u), + get_arg(ctx, ctx->args->ac.tg_size)); + bld.vop2(aco_opcode::v_or_b32, Definition(get_ssa_temp(ctx, &instr->dest.ssa)), tg_num, id); + } else { + /* Extract the bit field and multiply the result by 32 (left shift by 5), then do the OR */ + Temp tg_num = bld.sop2(aco_opcode::s_bfe_u32, bld.def(s1), bld.def(s1, scc), + get_arg(ctx, ctx->args->ac.tg_size), Operand(0x6u | (0x6u << 16))); + bld.vop3(aco_opcode::v_lshl_or_b32, Definition(get_ssa_temp(ctx, &instr->dest.ssa)), tg_num, Operand(0x5u), id); + } break; } case nir_intrinsic_load_subgroup_id: { -- 2.30.2