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fix fallout of pr22051-2.c on arm

Message ID CAAgBjMmzMaKxk-tbXuctc_swEcpani8sHjKkmTASksNF7a3cmA@mail.gmail.com
State Superseded
Headers show

Commit Message

Prathamesh Kulkarni Aug. 3, 2016, 10:08 p.m. UTC 
Hi,
The attached patch fixes pr22051-2.c which regressed due to
r238754. Matthew, could you please confirm if this patch fixes the
test-case for you ?

Bootstrapped and tested on x86_64-unknown-linux-gnu.
Cross tested on arm*-*-*.
OK for trunk ?

Thanks,
Prathamesh
2016-08-04  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

	* match.pd ((intptr_t) x eq/ne CST to x eq/ne (typeof x) cst): Disable
	transform if operand's type is pointer to function.
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Patch

diff --git a/gcc/match.pd b/gcc/match.pd
index 2380d90..9b97aac 100644
--- a/gcc/match.pd
+++ b/gcc/match.pd
@@ -2532,8 +2532,10 @@  DEFINE_INT_AND_FLOAT_ROUND_FN (RINT)
 (for cmp (ne eq)
  (simplify
   (cmp (convert @0) INTEGER_CST@1)
-  (if ((POINTER_TYPE_P (TREE_TYPE (@0)) && INTEGRAL_TYPE_P (TREE_TYPE (@1)))
-        || (INTEGRAL_TYPE_P (TREE_TYPE (@0)) && POINTER_TYPE_P (TREE_TYPE (@1))))
+  (if ((POINTER_TYPE_P (TREE_TYPE (@0)) && !FUNCTION_POINTER_TYPE_P (TREE_TYPE (@0))
+	&& INTEGRAL_TYPE_P (TREE_TYPE (@1)))
+      || (INTEGRAL_TYPE_P (TREE_TYPE (@0)) && POINTER_TYPE_P (TREE_TYPE (@1))
+	  && !FUNCTION_POINTER_TYPE_P (TREE_TYPE (@1))))
    (cmp @0 (convert @1)))))
 
 /* Non-equality compare simplifications from fold_binary  */