Merge remote-tracking branch 'remotes/rth-gitlab/tags/pull-tcg-20210113' into staging

Improvements to tcg constant handling.
Force utf8 for decodetree.

# gpg: Signature made Thu 14 Jan 2021 02:15:42 GMT
# gpg:                using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg:                issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A  05C0 64DF 38E8 AF7E 215F

* remotes/rth-gitlab/tags/pull-tcg-20210113: (24 commits)
  decodetree: Open files with encoding='utf-8'
  tcg/aarch64: Use tcg_constant_vec with tcg vec expanders
  tcg/ppc: Use tcg_constant_vec with tcg vec expanders
  tcg: Remove tcg_gen_dup{8,16,32,64}i_vec
  tcg/i386: Use tcg_constant_vec with tcg vec expanders
  tcg: Add tcg_reg_alloc_dup2
  tcg: Remove movi and dupi opcodes
  tcg/tci: Add special tci_movi_{i32,i64} opcodes
  tcg: Use tcg_constant_{i32,i64,vec} with gvec expanders
  tcg: Use tcg_constant_{i32,i64} with tcg plugins
  tcg: Use tcg_constant_{i32,i64} with tcg int expanders
  tcg: Use tcg_constant_i32 with icount expander
  tcg: Convert tcg_gen_dupi_vec to TCG_CONST
  tcg/optimize: Use tcg_constant_internal with constant folding
  tcg/optimize: Adjust TempOptInfo allocation
  tcg/optimize: Improve find_better_copy
  tcg: Introduce TYPE_CONST temporaries
  tcg: Expand TempOptInfo to 64-bits
  tcg: Rename struct tcg_temp_info to TempOptInfo
  tcg: Expand TCGTemp.val to 64-bits
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 22 insertions, 27 deletions

diff --git a/accel/tcg/plugin-gen.c b/accel/tcg/plugin-gen.c
index 51580d51a0..e5dc9d0ca9 100644
--- a/accel/tcg/plugin-gen.c
+++ b/accel/tcg/plugin-gen.c
@@ -284,8 +284,8 @@ static TCGOp *copy_extu_i32_i64(TCGOp **begin_op, TCGOp *op)
     if (TCG_TARGET_REG_BITS == 32) {
         /* mov_i32 */
         op = copy_op(begin_op, op, INDEX_op_mov_i32);
-        /* movi_i32 */
-        op = copy_op(begin_op, op, INDEX_op_movi_i32);
+        /* mov_i32 w/ $0 */
+        op = copy_op(begin_op, op, INDEX_op_mov_i32);
     } else {
         /* extu_i32_i64 */
         op = copy_op(begin_op, op, INDEX_op_extu_i32_i64);
@@ -306,39 +306,34 @@ static TCGOp *copy_mov_i64(TCGOp **begin_op, TCGOp *op)
     return op;
 }
 
-static TCGOp *copy_movi_i64(TCGOp **begin_op, TCGOp *op, uint64_t v)
-{
-    if (TCG_TARGET_REG_BITS == 32) {
-        /* 2x movi_i32 */
-        op = copy_op(begin_op, op, INDEX_op_movi_i32);
-        op->args[1] = v;
-
-        op = copy_op(begin_op, op, INDEX_op_movi_i32);
-        op->args[1] = v >> 32;
-    } else {
-        /* movi_i64 */
-        op = copy_op(begin_op, op, INDEX_op_movi_i64);
-        op->args[1] = v;
-    }
-    return op;
-}
-
 static TCGOp *copy_const_ptr(TCGOp **begin_op, TCGOp *op, void *ptr)
 {
     if (UINTPTR_MAX == UINT32_MAX) {
-        /* movi_i32 */
-        op = copy_op(begin_op, op, INDEX_op_movi_i32);
-        op->args[1] = (uintptr_t)ptr;
+        /* mov_i32 */
+        op = copy_op(begin_op, op, INDEX_op_mov_i32);
+        op->args[1] = tcgv_i32_arg(tcg_constant_i32((uintptr_t)ptr));
     } else {
-        /* movi_i64 */
-        op = copy_movi_i64(begin_op, op, (uint64_t)(uintptr_t)ptr);
+        /* mov_i64 */
+        op = copy_op(begin_op, op, INDEX_op_mov_i64);
+        op->args[1] = tcgv_i64_arg(tcg_constant_i64((uintptr_t)ptr));
     }
     return op;
 }
 
 static TCGOp *copy_const_i64(TCGOp **begin_op, TCGOp *op, uint64_t v)
 {
-    return copy_movi_i64(begin_op, op, v);
+    if (TCG_TARGET_REG_BITS == 32) {
+        /* 2x mov_i32 */
+        op = copy_op(begin_op, op, INDEX_op_mov_i32);
+        op->args[1] = tcgv_i32_arg(tcg_constant_i32(v));
+        op = copy_op(begin_op, op, INDEX_op_mov_i32);
+        op->args[1] = tcgv_i32_arg(tcg_constant_i32(v >> 32));
+    } else {
+        /* mov_i64 */
+        op = copy_op(begin_op, op, INDEX_op_mov_i64);
+        op->args[1] = tcgv_i64_arg(tcg_constant_i64(v));
+    }
+    return op;
 }
 
 static TCGOp *copy_extu_tl_i64(TCGOp **begin_op, TCGOp *op)
@@ -486,8 +481,8 @@ static TCGOp *append_mem_cb(const struct qemu_plugin_dyn_cb *cb,
 
     tcg_debug_assert(type == PLUGIN_GEN_CB_MEM);
 
-    /* const_i32 == movi_i32 ("info", so it remains as is) */
-    op = copy_op(&begin_op, op, INDEX_op_movi_i32);
+    /* const_i32 == mov_i32 ("info", so it remains as is) */
+    op = copy_op(&begin_op, op, INDEX_op_mov_i32);
 
     /* const_ptr */
     op = copy_const_ptr(&begin_op, op, cb->userp);