diff options
Diffstat (limited to 'gcc/internal-fn.cc')
| -rw-r--r-- | gcc/internal-fn.cc | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/gcc/internal-fn.cc b/gcc/internal-fn.cc index da9b944..208bdf4 100644 --- a/gcc/internal-fn.cc +++ b/gcc/internal-fn.cc @@ -2776,6 +2776,44 @@ expand_MUL_OVERFLOW (internal_fn, gcall *stmt) expand_arith_overflow (MULT_EXPR, stmt); } +/* Expand UADDC STMT. */ + +static void +expand_UADDC (internal_fn ifn, gcall *stmt) +{ + tree lhs = gimple_call_lhs (stmt); + tree arg1 = gimple_call_arg (stmt, 0); + tree arg2 = gimple_call_arg (stmt, 1); + tree arg3 = gimple_call_arg (stmt, 2); + tree type = TREE_TYPE (arg1); + machine_mode mode = TYPE_MODE (type); + insn_code icode = optab_handler (ifn == IFN_UADDC + ? uaddc5_optab : usubc5_optab, mode); + rtx op1 = expand_normal (arg1); + rtx op2 = expand_normal (arg2); + rtx op3 = expand_normal (arg3); + rtx target = expand_expr (lhs, NULL_RTX, VOIDmode, EXPAND_WRITE); + rtx re = gen_reg_rtx (mode); + rtx im = gen_reg_rtx (mode); + class expand_operand ops[5]; + create_output_operand (&ops[0], re, mode); + create_output_operand (&ops[1], im, mode); + create_input_operand (&ops[2], op1, mode); + create_input_operand (&ops[3], op2, mode); + create_input_operand (&ops[4], op3, mode); + expand_insn (icode, 5, ops); + write_complex_part (target, re, false, false); + write_complex_part (target, im, true, false); +} + +/* Expand USUBC STMT. */ + +static void +expand_USUBC (internal_fn ifn, gcall *stmt) +{ + expand_UADDC (ifn, stmt); +} + /* This should get folded in tree-vectorizer.cc. */ static void @@ -4049,6 +4087,7 @@ commutative_ternary_fn_p (internal_fn fn) case IFN_FMS: case IFN_FNMA: case IFN_FNMS: + case IFN_UADDC: return true; default: |