re PR target/83930 (ICE: RTL check: expected code 'const_int', have 'mem' in…

re PR target/83930 (ICE: RTL check: expected code 'const_int', have 'mem' in simplify_binary_operation_1, at simplify-rtx.c:3302)

	PR target/83930
	* simplify-rtx.c (simplify_binary_operation_1) <case UMOD>: Use
	UINTVAL (trueop1) instead of INTVAL (op1).

	* gcc.dg/pr83930.c: New test.

From-SVN: r256915

gcc/ChangeLog

+2018-01-20  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/83930
+	* simplify-rtx.c (simplify_binary_operation_1) <case UMOD>: Use
+	UINTVAL (trueop1) instead of INTVAL (op1).
+
 2018-01-19  Jakub Jelinek  <jakub@redhat.com>
 
 	PR debug/81570

gcc/simplify-rtx.c

@@ -3411,7 +3411,8 @@ simplify_binary_operation_1 (enum rtx_code code, machine_mode mode,
       if (CONST_INT_P (trueop1)
 	  && exact_log2 (UINTVAL (trueop1)) > 0)
 	return simplify_gen_binary (AND, mode, op0,
-				    gen_int_mode (INTVAL (op1) - 1, mode));
+				    gen_int_mode (UINTVAL (trueop1) - 1,
+						  mode));
       break;
 
     case MOD:

gcc/testsuite/ChangeLog

+2018-01-20  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/83930
+	* gcc.dg/pr83930.c: New test.
+
 2018-01-19  Steven G. Kargl  <kargl@gcc.gnu.org>
 
 	PR fortran/83900

gcc/testsuite/gcc.dg/pr83930.c

+/* PR target/83930 */
+/* { dg-do compile } */
+/* { dg-options "-Og -fno-tree-ccp -w" } */
+
+unsigned __attribute__ ((__vector_size__ (16))) v;
+
+static inline void
+bar (unsigned char d)
+{
+  v /= d;
+}
+
+__attribute__ ((always_inline)) void
+foo (void)
+{
+  bar (4);
+}