diff options
Diffstat (limited to 'src/intel/compiler/brw_vec4_nir.cpp')
| -rw-r--r-- | src/intel/compiler/brw_vec4_nir.cpp | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/src/intel/compiler/brw_vec4_nir.cpp b/src/intel/compiler/brw_vec4_nir.cpp index 157a97bfc03..1155dec946a 100644 --- a/src/intel/compiler/brw_vec4_nir.cpp +++ b/src/intel/compiler/brw_vec4_nir.cpp @@ -1036,7 +1036,15 @@ try_immediate_source(const nir_alu_instr *instr, src_reg *op, { unsigned idx; - if (nir_src_bit_size(instr->src[1].src) == 32 && + /* MOV should be the only single-source instruction passed to this + * function. Any other unary instruction with a constant source should + * have been constant-folded away! + */ + assert(nir_op_infos[instr->op].num_inputs > 1 || + instr->op == nir_op_mov); + + if (instr->op != nir_op_mov && + nir_src_bit_size(instr->src[1].src) == 32 && nir_src_is_const(instr->src[1].src)) { idx = 1; } else if (try_src0_also && @@ -1139,10 +1147,11 @@ try_immediate_source(const nir_alu_instr *instr, src_reg *op, unreachable("Non-32bit type."); } - /* The instruction format only allows source 1 to be an immediate value. - * If the immediate value was source 0, then the sources must be exchanged. + /* If the instruction has more than one source, the instruction format only + * allows source 1 to be an immediate value. If the immediate value was + * source 0, then the sources must be exchanged. */ - if (idx == 0) { + if (idx == 0 && instr->op != nir_op_mov) { src_reg tmp = op[0]; op[0] = op[1]; op[1] = tmp; @@ -1217,6 +1226,7 @@ vec4_visitor::nir_emit_alu(nir_alu_instr *instr) switch (instr->op) { case nir_op_mov: + try_immediate_source(instr, &op[0], true, devinfo); inst = emit(MOV(dst, op[0])); inst->saturate = instr->dest.saturate; break; |