Re: [PATCH 14/18] tcg/loongarch64: Support LASX in tcg_out_{mov,ld,st}

[gaosong]

在 2024/5/28 上午5:19, Richard Henderson 写道:

Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
---
  tcg/loongarch64/tcg-target.c.inc | 19 +++++++++++++++++++
  1 file changed, 19 insertions(+)

Reviewed-by: Song Gao <gaos...@loongson.cn>

Thanks.
Song Gao

diff --git a/tcg/loongarch64/tcg-target.c.inc b/tcg/loongarch64/tcg-target.c.inc
index 5f4915c6ac..e633d268d0 100644
--- a/tcg/loongarch64/tcg-target.c.inc
+++ b/tcg/loongarch64/tcg-target.c.inc
@@ -325,6 +325,9 @@ static bool tcg_out_mov(TCGContext *s, TCGType type, TCGReg 
ret, TCGReg arg)
      case TCG_TYPE_V128:
          tcg_out_opc_vori_b(s, ret, arg, 0);
          break;
+    case TCG_TYPE_V256:
+        tcg_out_opc_xvori_b(s, ret, arg, 0);
+        break;
      default:
          g_assert_not_reached();
      }
@@ -854,6 +857,14 @@ static void tcg_out_ld(TCGContext *s, TCGType type, TCGReg 
dest,
              tcg_out_opc_vldx(s, dest, base, TCG_REG_TMP0);
          }
          break;
+    case TCG_TYPE_V256:
+        if (-0x800 <= offset && offset <= 0x7ff) {
+            tcg_out_opc_xvld(s, dest, base, offset);
+        } else {
+            tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_TMP0, offset);
+            tcg_out_opc_xvldx(s, dest, base, TCG_REG_TMP0);
+        }
+        break;
      default:
          g_assert_not_reached();
      }
@@ -886,6 +897,14 @@ static void tcg_out_st(TCGContext *s, TCGType type, TCGReg 
src,
              tcg_out_opc_vstx(s, src, base, TCG_REG_TMP0);
          }
          break;
+    case TCG_TYPE_V256:
+        if (-0x800 <= offset && offset <= 0x7ff) {
+            tcg_out_opc_xvst(s, src, base, offset);
+        } else {
+            tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_TMP0, offset);
+            tcg_out_opc_xvstx(s, src, base, TCG_REG_TMP0);
+        }
+        break;
      default:
          g_assert_not_reached();
      }