From e0c45182e3d865d7f187dc35e70832f1fa7c9fad Mon Sep 17 00:00:00 2001 From: Iago Toral Quiroga Date: Mon, 18 Jan 2016 11:23:33 +0100 Subject: [PATCH] i965/fs: implement d2b v2: Use subscript() instead of stride() (Curro) Reviewed-by: Kenneth Graunke --- src/mesa/drivers/dri/i965/brw_fs_nir.cpp | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp index f4f4359..c456339 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp @@ -1107,6 +1107,19 @@ fs_visitor::nir_emit_alu(const fs_builder &bld, nir_alu_instr *instr) case nir_op_f2b: bld.CMP(result, op[0], brw_imm_f(0.0f), BRW_CONDITIONAL_NZ); break; + case nir_op_d2b: { + /* two-argument instructions can't take 64-bit immediates */ + fs_reg zero = vgrf(glsl_type::double_type); + bld.MOV(zero, brw_imm_df(0.0)); + /* A SIMD16 execution needs to be split in two instructions, so use + * a vgrf instead of the flag register as dst so instruction splitting + * works + */ + fs_reg tmp = vgrf(glsl_type::double_type); + bld.CMP(tmp, op[0], zero, BRW_CONDITIONAL_NZ); + bld.MOV(result, subscript(tmp, BRW_REGISTER_TYPE_UD, 0)); + break; + } case nir_op_i2b: bld.CMP(result, op[0], brw_imm_d(0), BRW_CONDITIONAL_NZ); break; -- 2.7.4