From ee96181ad94499c28525961a241eaf443691f5ec Mon Sep 17 00:00:00 2001 From: Samuel Pitoiset Date: Fri, 3 Apr 2020 11:12:21 +0200 Subject: [PATCH] aco: implement 16-bit nir_op_fexp2/nir_op_flog2 MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Samuel Pitoiset Reviewed-by: Daniel Schürmann Part-of: --- src/amd/compiler/aco_instruction_selection.cpp | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/src/amd/compiler/aco_instruction_selection.cpp b/src/amd/compiler/aco_instruction_selection.cpp index f865409..09e3aa7 100644 --- a/src/amd/compiler/aco_instruction_selection.cpp +++ b/src/amd/compiler/aco_instruction_selection.cpp @@ -1800,8 +1800,12 @@ void visit_alu_instr(isel_context *ctx, nir_alu_instr *instr) break; } case nir_op_flog2: { - if (dst.size() == 1) { - emit_log2(ctx, bld, Definition(dst), get_alu_src(ctx, instr->src[0])); + Temp src = get_alu_src(ctx, instr->src[0]); + if (dst.regClass() == v2b) { + Temp tmp = bld.vop1(aco_opcode::v_log_f16, bld.def(v1), src); + bld.pseudo(aco_opcode::p_split_vector, Definition(dst), bld.def(v2b), tmp); + } else if (dst.regClass() == v1) { + emit_log2(ctx, bld, Definition(dst), src); } else { fprintf(stderr, "Unimplemented NIR instr bit size: "); nir_print_instr(&instr->instr, stderr); @@ -1822,7 +1826,11 @@ void visit_alu_instr(isel_context *ctx, nir_alu_instr *instr) break; } case nir_op_fexp2: { - if (dst.size() == 1) { + if (dst.regClass() == v2b) { + Temp src = get_alu_src(ctx, instr->src[0]); + Temp tmp = bld.vop1(aco_opcode::v_exp_f16, bld.def(v1), src); + bld.pseudo(aco_opcode::p_split_vector, Definition(dst), bld.def(v2b), tmp); + } else if (dst.regClass() == v1) { emit_vop1_instruction(ctx, instr, aco_opcode::v_exp_f32, dst); } else { fprintf(stderr, "Unimplemented NIR instr bit size: "); -- 2.7.4