diff --git a/src/amd/compiler/aco_instruction_selection.cpp b/src/amd/compiler/aco_instruction_selection.cpp index 39832a35887..510020a5162 100644 --- a/src/amd/compiler/aco_instruction_selection.cpp +++ b/src/amd/compiler/aco_instruction_selection.cpp @@ -3056,12 +3056,13 @@ void visit_alu_instr(isel_context *ctx, nir_alu_instr *instr) */ f32 = bld.vop1(aco_opcode::v_cvt_f32_f16, bld.def(v1), f16); Temp smallest = bld.copy(bld.def(s1), Operand(0x38800000u)); - Instruction* vop3 = bld.vopc_e64(aco_opcode::v_cmp_nlt_f32, bld.hint_vcc(bld.def(bld.lm)), f32, smallest); - vop3->vop3().abs[0] = true; - cmp_res = vop3->definitions[0].getTemp(); + Instruction* tmp0 = bld.vopc_e64(aco_opcode::v_cmp_lt_f32, bld.def(bld.lm), f32, smallest); + tmp0->vop3().abs[0] = true; + Temp tmp1 = bld.vopc(aco_opcode::v_cmp_lg_f32, bld.hint_vcc(bld.def(bld.lm)), Operand(0u), f32); + cmp_res = bld.sop2(aco_opcode::s_nand_b64, bld.def(s2), bld.def(s1, scc), tmp0->definitions[0].getTemp(), tmp1); } - if (ctx->block->fp_mode.preserve_signed_zero_inf_nan32 || ctx->program->chip_class < GFX8) { + if (ctx->block->fp_mode.preserve_signed_zero_inf_nan32) { Temp copysign_0 = bld.vop2(aco_opcode::v_mul_f32, bld.def(v1), Operand(0u), as_vgpr(ctx, src)); bld.vop2(aco_opcode::v_cndmask_b32, Definition(dst), copysign_0, f32, cmp_res); } else {