在 2024/5/28 上午5:18, Richard Henderson 写道:
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
> tcg/loongarch64/tcg-target.c.inc | 36 +++++++++-----------------------
> 1 file changed, 10 insertions(+), 26 deletions(-)
Reviewed-by: Song Gao <gaosong@loongson.cn>
Thanks.
Song Gao
> diff --git a/tcg/loongarch64/tcg-target.c.inc b/tcg/loongarch64/tcg-target.c.inc
> index 06ca1ab11c..b9078ac793 100644
> --- a/tcg/loongarch64/tcg-target.c.inc
> +++ b/tcg/loongarch64/tcg-target.c.inc
> @@ -803,6 +803,12 @@ static void tcg_out_ldst(TCGContext *s, LoongArchInsn opc, TCGReg data,
> case OPC_ST_D:
> tcg_out32(s, encode_djsk12_insn(opc, data, addr, imm12));
> break;
> + case OPC_FLD_S:
> + case OPC_FLD_D:
> + case OPC_FST_S:
> + case OPC_FST_D:
> + tcg_out32(s, encode_fdjsk12_insn(opc, data, addr, imm12));
> + break;
> default:
> g_assert_not_reached();
> }
> @@ -816,14 +822,14 @@ static void tcg_out_ld(TCGContext *s, TCGType type, TCGReg dest,
> if (dest < TCG_REG_V0) {
> tcg_out_ldst(s, OPC_LD_W, dest, base, offset);
> } else {
> - tcg_out_dupm_vec(s, TCG_TYPE_I128, MO_32, dest, base, offset);
> + tcg_out_ldst(s, OPC_FLD_S, dest, base, offset);
> }
> break;
> case TCG_TYPE_I64:
> if (dest < TCG_REG_V0) {
> tcg_out_ldst(s, OPC_LD_D, dest, base, offset);
> } else {
> - tcg_out_dupm_vec(s, TCG_TYPE_I128, MO_64, dest, base, offset);
> + tcg_out_ldst(s, OPC_FLD_D, dest, base, offset);
> }
> break;
> case TCG_TYPE_V128:
> @@ -847,36 +853,14 @@ static void tcg_out_st(TCGContext *s, TCGType type, TCGReg src,
> if (src < TCG_REG_V0) {
> tcg_out_ldst(s, OPC_ST_W, src, base, offset);
> } else {
> - /* TODO: Could use fst_s, fstx_s */
> - if (offset < -0x100 || offset > 0xff || (offset & 3)) {
> - if (-0x800 <= offset && offset <= 0x7ff) {
> - tcg_out_opc_addi_d(s, TCG_REG_TMP0, base, offset);
> - } else {
> - tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_TMP0, offset);
> - tcg_out_opc_add_d(s, TCG_REG_TMP0, TCG_REG_TMP0, base);
> - }
> - base = TCG_REG_TMP0;
> - offset = 0;
> - }
> - tcg_out_opc_vstelm_w(s, src, base, offset, 0);
> + tcg_out_ldst(s, OPC_FST_S, src, base, offset);
> }
> break;
> case TCG_TYPE_I64:
> if (src < TCG_REG_V0) {
> tcg_out_ldst(s, OPC_ST_D, src, base, offset);
> } else {
> - /* TODO: Could use fst_d, fstx_d */
> - if (offset < -0x100 || offset > 0xff || (offset & 7)) {
> - if (-0x800 <= offset && offset <= 0x7ff) {
> - tcg_out_opc_addi_d(s, TCG_REG_TMP0, base, offset);
> - } else {
> - tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_TMP0, offset);
> - tcg_out_opc_add_d(s, TCG_REG_TMP0, TCG_REG_TMP0, base);
> - }
> - base = TCG_REG_TMP0;
> - offset = 0;
> - }
> - tcg_out_opc_vstelm_d(s, src, base, offset, 0);
> + tcg_out_ldst(s, OPC_FST_D, src, base, offset);
> }
> break;
> case TCG_TYPE_V128: