diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_vec4_nir.cpp | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp index dff39709ab0..7576bbd455b 100644 --- a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp +++ b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp @@ -796,6 +796,22 @@ vec4_visitor::nir_emit_alu(nir_alu_instr *instr) inst->saturate = instr->dest.saturate; break; + case nir_op_uadd_carry: { + struct brw_reg acc = retype(brw_acc_reg(8), BRW_REGISTER_TYPE_UD); + + emit(ADDC(dst_null_ud(), op[0], op[1])); + emit(MOV(dst, src_reg(acc))); + break; + } + + case nir_op_usub_borrow: { + struct brw_reg acc = retype(brw_acc_reg(8), BRW_REGISTER_TYPE_UD); + + emit(SUBB(dst_null_ud(), op[0], op[1])); + emit(MOV(dst, src_reg(acc))); + break; + } + default: unreachable("Unimplemented ALU operation"); } |