diff --git a/gcc/config/gcn/gcn-valu.md b/gcc/config/gcn/gcn-valu.md index 6274d2e9228..3b619512e13 100644 --- a/gcc/config/gcn/gcn-valu.md +++ b/gcc/config/gcn/gcn-valu.md @@ -2466,6 +2466,23 @@ [(set_attr "type" "vop2") (set_attr "length" "8,8")]) +(define_code_iterator fminmaxop [smin smax]) +(define_expand "3" + [(set (match_operand:FP 0 "gcn_valu_dst_operand") + (fminmaxop:FP + (match_operand:FP 1 "gcn_valu_src0_operand") + (match_operand:FP 2 "gcn_valu_src1_operand")))] + "" + {}) + +(define_expand "3" + [(set (match_operand:V_FP 0 "gcn_valu_dst_operand") + (fminmaxop:V_FP + (match_operand:V_FP 1 "gcn_valu_src0_operand") + (match_operand:V_FP 2 "gcn_valu_src1_operand")))] + "" + {}) + ;; }}} ;; {{{ FP unops @@ -3522,6 +3539,17 @@ DONE; }) +(define_expand "reduc__scal_" + [(match_operand: 0 "register_operand") + (fminmaxop:V_FP + (match_operand:V_FP 1 "register_operand"))] + "" + { + /* fmin/fmax are identical to smin/smax. */ + emit_insn (gen_reduc__scal_ (operands[0], operands[1])); + DONE; + }) + ;; Warning: This "-ffast-math" implementation converts in-order reductions ;; into associative reductions. It's also used where OpenMP or ;; OpenACC paralellization has already broken the in-order semantics. diff --git a/gcc/config/gcn/gcn.md b/gcc/config/gcn/gcn.md index 6c1a438f9d1..987b76396cc 100644 --- a/gcc/config/gcn/gcn.md +++ b/gcc/config/gcn/gcn.md @@ -372,6 +372,10 @@ (sign_extend "extend") (zero_extend "zero_extend")]) +(define_code_attr fexpander + [(smin "fmin") + (smax "fmax")]) + ;; }}} ;; {{{ Miscellaneous instructions