<div dir="ltr">Acked-by: Jason Ekstrand <<a href="mailto:jason@jlekstrand.net">jason@jlekstrand.net</a>> </div> <div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Feb 12, 2019 at 11:52 AM Iago Toral Quiroga <<a href="mailto:itoral@igalia.com">itoral@igalia.com</a>> wrote: </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">The original SrcType is a 3-bit field that takes a subset of the types supported for the hardware for 3-source instructions. Since gen8, when the half-float type was added, 3-source floating point operations can use use mixed precision mode, where not all the operands have the same floating-point precision. While the precision for the first operand is taken from the type in SrcType, the bits in Src1Type (bit 36) and Src2Type (bit 35) define the precision for the other operands (0: normal precision, 1: half precision). Reviewed-by: Topi Pohjolainen <<a href="mailto:topi.pohjolainen@intel.com" target="_blank">topi.pohjolainen@intel.com</a>> Reviewed-by: Matt Turner <<a href="mailto:mattst88@gmail.com" target="_blank">mattst88@gmail.com</a>> --- src/intel/compiler/brw_inst.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/intel/compiler/brw_inst.h b/src/intel/compiler/brw_inst.h index 71316f12215..1f55d45125d 100644 --- a/src/intel/compiler/brw_inst.h +++ b/src/intel/compiler/brw_inst.h @@ -222,6 +222,8 @@ F8(3src_src1_negate, 39, 39, 40, 40) F8(3src_src1_abs, 38, 38, 39, 39) F8(3src_src0_negate, 37, 37, 38, 38) F8(3src_src0_abs, 36, 36, 37, 37) +F8(3src_a16_src1_type, -1, -1, 36, 36) +F8(3src_a16_src2_type, -1, -1, 35, 35) F8(3src_a16_flag_reg_nr, 34, 34, 33, 33) F8(3src_a16_flag_subreg_nr, 33, 33, 32, 32) FF(3src_a16_dst_reg_file, -- 2.17.1 _______________________________________________ mesa-dev mailing list <a href="mailto:mesa-dev@lists.freedesktop.org" target="_blank">mesa-dev@lists.freedesktop.org</a> <a href="https://lists.freedesktop.org/mailman/listinfo/mesa-dev" rel="noreferrer" target="_blank">https://lists.freedesktop.org/mailman/listinfo/mesa-dev</a></blockquote></div>