tcg/optimize: Use a boolean to avoid a mass of continues

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Luis Pires <luis.pires@eldorado.org.br>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

diff --git a/tcg/optimize.c b/tcg/optimize.c
index 368457f..699476e 100644 (file)
--- a/tcg/optimize.c
+++ b/tcg/optimize.c
@@ -713,6 +713,7 @@ void tcg_optimize(TCGContext *s)
         uint64_t z_mask, partmask, affected, tmp;
         TCGOpcode opc = op->opc;
         const TCGOpDef *def;
+        bool done = false;
 
         /* Calls are special. */
         if (opc == INDEX_op_call) {
@@ -1212,8 +1213,8 @@ void tcg_optimize(TCGContext *s)
            allocator where needed and possible.  Also detect copies. */
         switch (opc) {
         CASE_OP_32_64_VEC(mov):
-            tcg_opt_gen_mov(&ctx, op, op->args[0], op->args[1]);
-            continue;
+            done = tcg_opt_gen_mov(&ctx, op, op->args[0], op->args[1]);
+            break;
 
         case INDEX_op_dup_vec:
             if (arg_is_const(op->args[1])) {
@@ -1602,7 +1603,9 @@ void tcg_optimize(TCGContext *s)
             break;
         }
 
-        finish_folding(&ctx, op);
+        if (!done) {
+            finish_folding(&ctx, op);
+        }
 
         /* Eliminate duplicate and redundant fence instructions.  */
         if (ctx.prev_mb) {