From: Richard Henderson <richard.henderson@linaro.org>
Date: Wed, 6 Mar 2024 22:24:04 +0000 (-1000)
Subject: tcg: Split out tcg_gen_gvec_mov_var
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ebba58c44db127d676b4ab2d00e7ad1aba9f6bc4;p=thirdparty%2Fqemu.git

tcg: Split out tcg_gen_gvec_mov_var

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---

diff --git a/include/tcg/tcg-op-gvec-common.h b/include/tcg/tcg-op-gvec-common.h
index 29bcedb737..b2e797780d 100644
--- a/include/tcg/tcg-op-gvec-common.h
+++ b/include/tcg/tcg-op-gvec-common.h
@@ -283,6 +283,10 @@ void tcg_gen_gvec_4i(uint32_t dofs, uint32_t aofs, uint32_t bofs, uint32_t cofs,
 
 /* Expand a specific vector operation.  */
 
+void tcg_gen_gvec_mov_var(unsigned vece, TCGv_ptr dbase, uint32_t dofs,
+                          TCGv_ptr abase, uint32_t aofs,
+                          uint32_t oprsz, uint32_t maxsz);
+
 void tcg_gen_gvec_mov(unsigned vece, uint32_t dofs, uint32_t aofs,
                       uint32_t oprsz, uint32_t maxsz);
 void tcg_gen_gvec_not(unsigned vece, uint32_t dofs, uint32_t aofs,
diff --git a/tcg/tcg-op-gvec.c b/tcg/tcg-op-gvec.c
index 862cecf1bf..85e1807580 100644
--- a/tcg/tcg-op-gvec.c
+++ b/tcg/tcg-op-gvec.c
@@ -1746,8 +1746,9 @@ static void vec_mov2(unsigned vece, TCGv_vec a, TCGv_vec b)
     tcg_gen_mov_vec(a, b);
 }
 
-void tcg_gen_gvec_mov(unsigned vece, uint32_t dofs, uint32_t aofs,
-                      uint32_t oprsz, uint32_t maxsz)
+void tcg_gen_gvec_mov_var(unsigned vece, TCGv_ptr dbase, uint32_t dofs,
+                          TCGv_ptr abase, uint32_t aofs,
+                          uint32_t oprsz, uint32_t maxsz)
 {
     static const GVecGen2 g = {
         .fni8 = tcg_gen_mov_i64,
@@ -1755,14 +1756,22 @@ void tcg_gen_gvec_mov(unsigned vece, uint32_t dofs, uint32_t aofs,
         .fno = gen_helper_gvec_mov,
         .prefer_i64 = TCG_TARGET_REG_BITS == 64,
     };
-    if (dofs != aofs) {
-        tcg_gen_gvec_2(dofs, aofs, oprsz, maxsz, &g);
-    } else {
+
+    if (dofs == aofs && dbase == abase) {
         check_size_align(oprsz, maxsz, dofs);
         if (oprsz < maxsz) {
-            expand_clr(tcg_env, dofs + oprsz, maxsz - oprsz);
+            expand_clr(dbase, dofs + oprsz, maxsz - oprsz);
         }
+        return;
     }
+
+    tcg_gen_gvec_2_var(dbase, dofs, abase, aofs, oprsz, maxsz, &g);
+}
+
+void tcg_gen_gvec_mov(unsigned vece, uint32_t dofs, uint32_t aofs,
+                      uint32_t oprsz, uint32_t maxsz)
+{
+    tcg_gen_gvec_mov_var(vece, tcg_env, dofs, tcg_env, aofs, oprsz, maxsz);
 }
 
 void tcg_gen_gvec_dup_i32(unsigned vece, uint32_t dofs, uint32_t oprsz,