tcg: Stash MemOp size in TCGOP_FLAGS

This will enable removing INDEX_op_qemu_st8_*_i32,
by exposing the operand size to constraint selection.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

diff --git a/tcg/tcg-op-ldst.c b/tcg/tcg-op-ldst.c
index 3b073b4ce0c9908bc2e119b2914ecc282f66f580..9e4626e51d55f32cd34e2bbb83607b85e52ab735 100644 (file)
--- a/tcg/tcg-op-ldst.c
+++ b/tcg/tcg-op-ldst.c
@@ -91,11 +91,15 @@ static MemOp tcg_canonicalize_memop(MemOp op, bool is64, bool st)
 static void gen_ldst(TCGOpcode opc, TCGType type, TCGTemp *vl, TCGTemp *vh,
                      TCGTemp *addr, MemOpIdx oi)
 {
+    TCGOp *op;
+
     if (vh) {
-        tcg_gen_op4(opc, type, temp_arg(vl), temp_arg(vh), temp_arg(addr), oi);
+        op = tcg_gen_op4(opc, type, temp_arg(vl), temp_arg(vh),
+                         temp_arg(addr), oi);
     } else {
-        tcg_gen_op3(opc, type, temp_arg(vl), temp_arg(addr), oi);
+        op = tcg_gen_op3(opc, type, temp_arg(vl), temp_arg(addr), oi);
     }
+    TCGOP_FLAGS(op) = get_memop(oi) & MO_SIZE;
 }
 
 static void gen_ldst_i64(TCGOpcode opc, TCGv_i64 v, TCGTemp *addr, MemOpIdx oi)