[PATCH 11/13] trans_rvv.c.inc: remove vlmax arg from vec_element_loadx()

[Daniel Henrique Barboza]

Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
---
 target/riscv/insn_trans/trans_rvv.c.inc | 26 +++++++++++++++++--------
 1 file changed, 18 insertions(+), 8 deletions(-)

diff --git a/target/riscv/insn_trans/trans_rvv.c.inc 
b/target/riscv/insn_trans/trans_rvv.c.inc
index 804cfd6c7f..3782d0fa2f 100644
--- a/target/riscv/insn_trans/trans_rvv.c.inc
+++ b/target/riscv/insn_trans/trans_rvv.c.inc
@@ -3265,21 +3265,28 @@ static void endian_adjust(TCGv_i32 ofs, int sew)
 #endif
 }
 
-/* Load idx >= VLMAX ? 0 : vreg[idx] */
+/*
+ * Load idx >= VLMAX ? 0 : vreg[idx]
+ *
+ * This function assumes ctx->vl_eq_vlmax = true.
+ */
 static void vec_element_loadx(DisasContext *s, TCGv_i64 dest,
-                              int vreg, TCGv idx, int vlmax)
+                              int vreg, TCGv idx)
 {
     TCGv_i32 ofs = tcg_temp_new_i32();
+    TCGv_i32 vlmax = tcg_temp_new_i32();
     TCGv_ptr base = tcg_temp_new_ptr();
     TCGv_i64 t_idx = tcg_temp_new_i64();
-    TCGv_i64 t_vlmax, t_zero;
+    TCGv_i64 t_zero, t_vlmax = tcg_temp_new_i64();
 
     /*
      * Mask the index to the length so that we do
      * not produce an out-of-range load.
      */
+    tcg_gen_trunc_tl_i32(vlmax, cpu_vl);
+    tcg_gen_sub_i32(vlmax, vlmax, tcg_constant_i32(1));
     tcg_gen_trunc_tl_i32(ofs, idx);
-    tcg_gen_andi_i32(ofs, ofs, vlmax - 1);
+    tcg_gen_and_i32(ofs, ofs, vlmax);
 
     /* Convert the index to an offset. */
     endian_adjust(ofs, s->sew);
@@ -3294,10 +3301,15 @@ static void vec_element_loadx(DisasContext *s, TCGv_i64 
dest,
                  vreg_ofs(s, vreg), s->sew, false);
 
     /* Flush out-of-range indexing to zero.  */
-    t_vlmax = tcg_constant_i64(vlmax);
     t_zero = tcg_constant_i64(0);
     tcg_gen_extu_tl_i64(t_idx, idx);
 
+#ifdef TARGET_RISCV64
+    tcg_gen_mov_i64(t_vlmax, cpu_vl);
+#else
+    tcg_gen_extu_tl_i64(t_vlmax, cpu_vl);
+#endif
+
     tcg_gen_movcond_i64(TCG_COND_LTU, dest, t_idx,
                         t_vlmax, dest, t_zero);
 }
@@ -3534,14 +3546,12 @@ static bool trans_vrgather_vx(DisasContext *s, arg_rmrr 
*a)
     }
 
     if (a->vm && s->vl_eq_vlmax && !(s->vta && s->lmul < 0)) {
-        int scale = s->lmul - (s->sew + 3);
-        int vlmax = s->cfg_ptr->vlen >> -scale;
         TCGv_i64 dest = tcg_temp_new_i64();
 
         if (a->rs1 == 0) {
             vec_element_loadi(s, dest, a->rs2, 0, false);
         } else {
-            vec_element_loadx(s, dest, a->rs2, cpu_gpr[a->rs1], vlmax);
+            vec_element_loadx(s, dest, a->rs2, cpu_gpr[a->rs1]);
         }
 
         tcg_gen_gvec_dup_i64(s->sew, vreg_ofs(s, a->rd),
-- 
2.43.0