From 94135e8736f2741684e978afac9d34c368f7bcb1 Mon Sep 17 00:00:00 2001 From: Samuel Iglesias Gonsálvez Date: Thu, 7 Jul 2016 09:19:43 +0200 Subject: i965/fs: emit DIM instruction to load 64-bit immediates in HSW MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit v2 (Matt): - Use brw_imm_df() as source argument of DIM instruction. Signed-off-by: Samuel Iglesias Gonsálvez Reviewed-by: Matt Turner --- src/mesa/drivers/dri/i965/brw_fs_nir.cpp | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp index a65c2739898..129984a8812 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp @@ -4558,6 +4558,16 @@ setup_imm_df(const fs_builder &bld, double v) if (devinfo->gen >= 8) return brw_imm_df(v); + /* gen7.5 does not support DF immediates straighforward but the DIM + * instruction allows to set the 64-bit immediate value. + */ + if (devinfo->is_haswell) { + const fs_builder ubld = bld.exec_all(); + fs_reg dst = ubld.vgrf(BRW_REGISTER_TYPE_DF, 1); + ubld.DIM(dst, brw_imm_df(v)); + return component(dst, 0); + } + /* gen7 does not support DF immediates, so we generate a 64-bit constant by * writing the low 32-bit of the constant to suboffset 0 of a VGRF and * the high 32-bit to suboffset 4 and then applying a stride of 0. -- cgit v1.2.3