diff options
Diffstat (limited to 'src/intel/compiler/brw_vec4_nir.cpp')
| -rw-r--r-- | src/intel/compiler/brw_vec4_nir.cpp | 38 |
1 files changed, 35 insertions, 3 deletions
diff --git a/src/intel/compiler/brw_vec4_nir.cpp b/src/intel/compiler/brw_vec4_nir.cpp index be7e7d79979..7d0394bdc67 100644 --- a/src/intel/compiler/brw_vec4_nir.cpp +++ b/src/intel/compiler/brw_vec4_nir.cpp @@ -1131,10 +1131,42 @@ try_immediate_source(const nir_alu_instr *instr, src_reg *op, } void -vec4_visitor::fix_float_operands(src_reg op[3]) +vec4_visitor::fix_float_operands(src_reg op[3], nir_alu_instr *instr) { bool fixed[3] = { false, false, false }; + for (unsigned i = 0; i < 2; i++) { + if (!nir_src_is_const(instr->src[i].src)) + continue; + + for (unsigned j = i + 1; j < 3; j++) { + if (fixed[j]) + continue; + + if (!nir_src_is_const(instr->src[j].src)) + continue; + + if (nir_alu_srcs_equal(instr, instr, i, j)) { + if (!fixed[i]) + op[i] = fix_3src_operand(op[i]); + + op[j] = op[i]; + + fixed[i] = true; + fixed[j] = true; + } else if (nir_alu_srcs_negative_equal(instr, instr, i, j)) { + if (!fixed[i]) + op[i] = fix_3src_operand(op[i]); + + op[j] = op[i]; + op[j].negate = !op[j].negate; + + fixed[i] = true; + fixed[j] = true; + } + } + } + for (unsigned i = 0; i < 3; i++) { if (!fixed[i]) op[i] = fix_3src_operand(op[i]); @@ -1927,14 +1959,14 @@ vec4_visitor::nir_emit_alu(nir_alu_instr *instr) inst = emit(ADD(dst, src_reg(mul_dst), op[2])); inst->saturate = instr->dest.saturate; } else { - fix_float_operands(op); + fix_float_operands(op, instr); inst = emit(MAD(dst, op[2], op[1], op[0])); inst->saturate = instr->dest.saturate; } break; case nir_op_flrp: - fix_float_operands(op); + fix_float_operands(op, instr); inst = emit(LRP(dst, op[2], op[1], op[0])); inst->saturate = instr->dest.saturate; break; |