* src/mcs51/gen.c (adjustArithmeticResult): fixed bug 1839299

[fw/sdcc] / src / mcs51 / gen.c

diff --git a/src/mcs51/gen.c b/src/mcs51/gen.c
index a8086d65a1726b9e9fdf7bdf85a236c2c5ac83f9..a5da703fa0e3dec3487f80268bae174fecb9e9e5 100644 (file)
--- a/src/mcs51/gen.c
+++ b/src/mcs51/gen.c
@@ -4425,34 +4425,58 @@ adjustArithmeticResult (iCode * ic)
 static void
 adjustArithmeticResult (iCode * ic)
 {
-  if (opIsGptr (IC_RESULT (ic)) &&
-      opIsGptr (IC_LEFT (ic)) &&
-      !sameRegs (AOP (IC_RESULT (ic)), AOP (IC_LEFT (ic))))
+  if (opIsGptr (IC_RESULT (ic)))
     {
-      aopPut (IC_RESULT (ic),
-              aopGet (IC_LEFT (ic), GPTRSIZE - 1, FALSE, FALSE),
-              GPTRSIZE - 1);
-    }
+      char buffer[10];
 
-  if (opIsGptr (IC_RESULT (ic)) &&
-      opIsGptr (IC_RIGHT (ic)) &&
-      !sameRegs (AOP (IC_RESULT (ic)), AOP (IC_RIGHT (ic))))
-    {
-      aopPut (IC_RESULT (ic),
-              aopGet (IC_RIGHT (ic), GPTRSIZE - 1, FALSE, FALSE),
-              GPTRSIZE - 1);
-    }
+      if (opIsGptr (IC_LEFT (ic)))
+        {
+          if (!sameRegs (AOP (IC_RESULT (ic)), AOP (IC_LEFT (ic))))
+            {
+              aopPut (IC_RESULT (ic),
+                      aopGet (IC_LEFT (ic), GPTRSIZE - 1, FALSE, FALSE),
+                      GPTRSIZE - 1);
+            }
+          return;
+        }
 
-  if (opIsGptr (IC_RESULT (ic)) &&
-      IC_LEFT (ic) && AOP_SIZE (IC_LEFT (ic)) < GPTRSIZE &&
-      IC_RIGHT (ic) && AOP_SIZE (IC_RIGHT (ic)) < GPTRSIZE &&
-      !sameRegs (AOP (IC_RESULT (ic)), AOP (IC_LEFT (ic))) &&
-      !sameRegs (AOP (IC_RESULT (ic)), AOP (IC_RIGHT (ic))))
-    {
-      char buffer[10];
-      SNPRINTF (buffer, sizeof(buffer),
-                "#0x%02x", pointerTypeToGPByte (pointerCode (getSpec (operandType (IC_LEFT (ic)))), NULL, NULL));
-      aopPut (IC_RESULT (ic), buffer, GPTRSIZE - 1);
+      if (opIsGptr (IC_RIGHT (ic)))
+        {
+          if (!sameRegs (AOP (IC_RESULT (ic)), AOP (IC_RIGHT (ic))))
+            {
+              aopPut (IC_RESULT (ic),
+                      aopGet (IC_RIGHT (ic), GPTRSIZE - 1, FALSE, FALSE),
+                      GPTRSIZE - 1);
+            }
+          return;
+        }
+
+      if (IC_LEFT (ic) && AOP_SIZE (IC_LEFT (ic)) < GPTRSIZE &&
+          IC_RIGHT (ic) && AOP_SIZE (IC_RIGHT (ic)) < GPTRSIZE &&
+          !sameRegs (AOP (IC_RESULT (ic)), AOP (IC_LEFT (ic))) &&
+          !sameRegs (AOP (IC_RESULT (ic)), AOP (IC_RIGHT (ic))))
+        {
+          SNPRINTF (buffer, sizeof(buffer),
+                    "#0x%02x", pointerTypeToGPByte (pointerCode (getSpec (operandType (IC_LEFT (ic)))), NULL, NULL));
+          aopPut (IC_RESULT (ic), buffer, GPTRSIZE - 1);
+          return;
+        }
+      if (IC_LEFT (ic) && AOP_SIZE (IC_LEFT (ic)) < GPTRSIZE &&
+          !sameRegs (AOP (IC_RESULT (ic)), AOP (IC_LEFT (ic))))
+        {
+          SNPRINTF (buffer, sizeof(buffer),
+                    "#0x%02x", pointerTypeToGPByte (pointerCode (getSpec (operandType (IC_LEFT (ic)))), NULL, NULL));
+          aopPut (IC_RESULT (ic), buffer, GPTRSIZE - 1);
+          return;
+        }
+      if (IC_RIGHT (ic) && AOP_SIZE (IC_RIGHT (ic)) < GPTRSIZE &&
+          !sameRegs (AOP (IC_RESULT (ic)), AOP (IC_RIGHT (ic))))
+        {
+          SNPRINTF (buffer, sizeof(buffer),
+                    "#0x%02x", pointerTypeToGPByte (pointerCode (getSpec (operandType (IC_RIGHT (ic)))), NULL, NULL));
+          aopPut (IC_RESULT (ic), buffer, GPTRSIZE - 1);
+          return;
+        }
     }
 }
 #endif