On Thu, 2023-08-31 at 15:02 +0800, chenxiaolong wrote:
> +;; Implement __builtin_copysignf128 function.
> +
> +(define_insn_and_split "copysigntf3"
> + [(set (match_operand:TF 0 "register_operand" "=&r")
> + (unspec:TF [(match_operand:TF 1 "register_operand" "r")
> + (match_operand:TF 2 "register_operand" "r")]
> + UNSPEC_COPYSIGNF128))]
> + "TARGET_64BIT"
> + "#"
> + "reload_completed"
> + [(const_int 0)]
> +{
> + rtx op0_lo = gen_rtx_REG (DImode,REGNO (operands[0]) + 0);
> + rtx op0_hi = gen_rtx_REG (DImode,REGNO (operands[0]) + 1);
> + rtx op1_lo = gen_rtx_REG (DImode,REGNO (operands[1]) + 0);
> + rtx op1_hi = gen_rtx_REG (DImode,REGNO (operands[1]) + 1);
> + rtx op2_hi = gen_rtx_REG (DImode,REGNO (operands[2]) + 1);
> +
> + if (REGNO (operands[1]) == REGNO (operands[2]))
> + {
> + loongarch_emit_move (operands[0], operands[1]);
> + DONE;
> + }
> + else
> + {
> + loongarch_emit_move (op0_hi, op2_hi);
> + loongarch_emit_move (op0_lo, op1_lo);
> + emit_insn (gen_insvdi (op0_hi, GEN_INT (63), GEN_INT (0), op1_hi));
> + DONE;
> + }
> +})
Please remove this part too, for now. I'm trying to figure out a more
generic fix, and if I fail we can add this part later.
--
Xi Ruoyao <xry...@xry111.site>
School of Aerospace Science and Technology, Xidian University
