From: Iago Toral Quiroga <itoral@igalia.com>
Date: Thu, 26 Apr 2018 08:12:12 +0000 (+0200)
Subject: intel/compiler: lower some 16-bit float operations to 32-bit
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=114f4e6c29315286d362f339138c2c33d28b7878;p=mesa.git

intel/compiler: lower some 16-bit float operations to 32-bit

The hardware doesn't support half-float for these.

Reviewed-by: Topi Pohjolainen <topi.pohjolainen@intel.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
---

diff --git a/src/intel/compiler/brw_nir.c b/src/intel/compiler/brw_nir.c
index e694165d78e..c45e7d5787b 100644
--- a/src/intel/compiler/brw_nir.c
+++ b/src/intel/compiler/brw_nir.c
@@ -637,6 +637,11 @@ lower_bit_size_callback(const nir_alu_instr *alu, UNUSED void *data)
    case nir_op_irem:
    case nir_op_udiv:
    case nir_op_umod:
+   case nir_op_fceil:
+   case nir_op_ffloor:
+   case nir_op_ffract:
+   case nir_op_fround_even:
+   case nir_op_ftrunc:
       return 32;
    default:
       return 0;