tcg: Fix tcg_reg_alloc_dup*

The assignment to mem_coherent should be done with any
modification, not simply with a newly allocated register.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

diff --git a/tcg/tcg.c b/tcg/tcg.c
index 05d2b70ab7f072f39de9899df6305ed3e2a0fb90..371908b34b012f8295a3512ffc198b3dd424ca42 100644 (file)
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -3498,7 +3498,6 @@ static void tcg_reg_alloc_dup(TCGContext *s, const TCGOp *op)
         ots->reg = tcg_reg_alloc(s, dup_out_regs, allocated_regs,
                                  op->output_pref[0], ots->indirect_base);
         ots->val_type = TEMP_VAL_REG;
-        ots->mem_coherent = 0;
         s->reg_to_temp[ots->reg] = ots;
     }
 
@@ -3552,6 +3551,7 @@ static void tcg_reg_alloc_dup(TCGContext *s, const TCGOp *op)
     tcg_debug_assert(ok);
 
  done:
+    ots->mem_coherent = 0;
     if (IS_DEAD_ARG(1)) {
         temp_dead(s, its);
     }
@@ -3779,7 +3779,6 @@ static bool tcg_reg_alloc_dup2(TCGContext *s, const TCGOp *op)
         ots->reg = tcg_reg_alloc(s, dup_out_regs, allocated_regs,
                                  op->output_pref[0], ots->indirect_base);
         ots->val_type = TEMP_VAL_REG;
-        ots->mem_coherent = 0;
         s->reg_to_temp[ots->reg] = ots;
     }
 
@@ -3823,6 +3822,7 @@ static bool tcg_reg_alloc_dup2(TCGContext *s, const TCGOp *op)
     return false;
 
  done:
+    ots->mem_coherent = 0;
     if (IS_DEAD_ARG(1)) {
         temp_dead(s, itsl);
     }