From 6793ae1c5e516c9f5a21414ccc800cde4fb0e7b5 Mon Sep 17 00:00:00 2001 From: Samuel Pitoiset Date: Fri, 3 Apr 2020 14:18:37 +0200 Subject: [PATCH] aco: implement 16-bit nir_op_fsat 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 | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/src/amd/compiler/aco_instruction_selection.cpp b/src/amd/compiler/aco_instruction_selection.cpp index 553d12abbaf..4f7edaea96e 100644 --- a/src/amd/compiler/aco_instruction_selection.cpp +++ b/src/amd/compiler/aco_instruction_selection.cpp @@ -1816,11 +1816,15 @@ void visit_alu_instr(isel_context *ctx, nir_alu_instr *instr) } case nir_op_fsat: { Temp src = get_alu_src(ctx, instr->src[0]); - if (dst.size() == 1) { + if (dst.regClass() == v2b) { + Temp one = bld.copy(bld.def(s1), Operand(0x3c00u)); + Temp tmp = bld.vop3(aco_opcode::v_med3_f16, bld.def(v1), Operand(0u), one, src); + bld.pseudo(aco_opcode::p_split_vector, Definition(dst), bld.def(v2b), tmp); + } else if (dst.regClass() == v1) { bld.vop3(aco_opcode::v_med3_f32, Definition(dst), Operand(0u), Operand(0x3f800000u), src); /* apparently, it is not necessary to flush denorms if this instruction is used with these operands */ // TODO: confirm that this holds under any circumstances - } else if (dst.size() == 2) { + } else if (dst.regClass() == v2) { Instruction* add = bld.vop3(aco_opcode::v_add_f64, Definition(dst), src, Operand(0u)); VOP3A_instruction* vop3 = static_cast(add); vop3->clamp = true; -- 2.30.2