[Mesa-dev] [PATCH v4 03/40] intel/compiler: split float to 64-bit opcodes from int to 64-bit

Iago Toral Quiroga itoral at igalia.com
Tue Feb 12 11:55:30 UTC 2019


Going forward having these split is a bit more convenient since these two
groups have different restrictions.

v2:
 - Rebased on top of new regioning lowering pass.

Reviewed-by: Topi Pohjolainen <topi.pohjolainen at intel.com> (v1)
Reviewed-by: Jason Ekstrand <jason at jlekstrand.net>
---
 src/intel/compiler/brw_fs_nir.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/intel/compiler/brw_fs_nir.cpp b/src/intel/compiler/brw_fs_nir.cpp
index 1041296b903..bb7591422d4 100644
--- a/src/intel/compiler/brw_fs_nir.cpp
+++ b/src/intel/compiler/brw_fs_nir.cpp
@@ -801,10 +801,17 @@ fs_visitor::nir_emit_alu(const fs_builder &bld, nir_alu_instr *instr)
    case nir_op_f2f64:
    case nir_op_f2i64:
    case nir_op_f2u64:
+      assert(type_sz(op[0].type) > 2); /* brw_nir_lower_conversions */
+      inst = bld.MOV(result, op[0]);
+      inst->saturate = instr->dest.saturate;
+      break;
+
    case nir_op_i2f64:
    case nir_op_i2i64:
    case nir_op_u2f64:
    case nir_op_u2u64:
+      assert(type_sz(op[0].type) > 1); /* brw_nir_lower_conversions */
+      /* fallthrough */
    case nir_op_f2f32:
    case nir_op_f2i32:
    case nir_op_f2u32:
-- 
2.17.1



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