(GO_IF_LEGITIMATE_INDEX): Check explicitly for

upper and lower bounds of valid INDEX. From-SVN: r4584

(GO_IF_LEGITIMATE_INDEX): Check explicitly for
upper and lower bounds of valid INDEX. From-SVN: r4584
4d01c30f · Richard Stallman · 6e498949 · 4d01c30f
Commit 4d01c30f authored May 28, 1993 by Richard Stallman
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Showing with 6 additions and 3 deletions

gcc/config/arm/arm.h
+6 -3

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--- a/gcc/config/arm/arm.h
+++ b/gcc/config/arm/arm.h
@@ -693,15 +693,18 @@ do \
 	{								\
 	  rtx xiop0 = XEXP (INDEX, 0);					\
 	  rtx xiop1 = XEXP (INDEX, 1);					\
-	  if (INDEX_REGISTER_RTX_P (xiop0) &&  power_of_two_operand (xiop1, SImode))  \
+	  if (INDEX_REGISTER_RTX_P (xiop0)				\
+	      && power_of_two_operand (xiop1, SImode))			\
 	    goto LABEL;							\
-	  if (INDEX_REGISTER_RTX_P (xiop1) &&  power_of_two_operand (xiop0, SImode))  \
+	  if (INDEX_REGISTER_RTX_P (xiop1)				\
+	      && power_of_two_operand (xiop0, SImode))			\
 	    goto LABEL;							\
 	}								\
      range = 4096;							\
    }									\
 									\
-    if (GET_CODE (INDEX) == CONST_INT && abs (INTVAL (INDEX)) < range)  	      \
+    if (GET_CODE (INDEX) == CONST_INT && INTVAL (INDEX) < range		\
+	&& INTVAL (INDEX) > -range)					\
      goto LABEL;							\
 } while (0)