- brw_set_dest(insn, dest);
- brw_set_src0(insn, src);
- brw_set_math_message(p->brw,
- insn,
- msg_length, response_length,
- function,
- BRW_MATH_INTEGER_UNSIGNED,
- precision,
- saturate,
- data_type);
+ /* Math is the same ISA format as other opcodes, except that CondModifier
+ * becomes FC[3:0] and ThreadCtrl becomes FC[5:4].
+ */
+ insn->header.destreg__conditionalmod = function;
+
+ brw_set_dest(insn, dest);
+ brw_set_src0(insn, src);
+ brw_set_src1(insn, brw_null_reg());
+ } else {
+ struct brw_instruction *insn = next_insn(p, BRW_OPCODE_SEND);
+ GLuint msg_length = (function == BRW_MATH_FUNCTION_POW) ? 2 : 1;
+ GLuint response_length = (function == BRW_MATH_FUNCTION_SINCOS) ? 2 : 1;
+ /* Example code doesn't set predicate_control for send
+ * instructions.
+ */
+ insn->header.predicate_control = 0;
+ insn->header.destreg__conditionalmod = msg_reg_nr;
+
+ brw_set_dest(insn, dest);
+ brw_set_src0(insn, src);
+ brw_set_math_message(p->brw,
+ insn,
+ msg_length, response_length,
+ function,
+ BRW_MATH_INTEGER_UNSIGNED,
+ precision,
+ saturate,
+ data_type);
+ }