re PR rtl-optimization/44787 (internal compiler error: in…

re PR rtl-optimization/44787 (internal compiler error: in reload_cse_simplify_operands, at postreload.c:395)

	PR rtl-optimization/44787
	* config/arm/arm.md (arith_shiftsi): Allow stack pointer in operand 2.
	* config/arm/thumb2.md (thumb2_arith_shiftsi): Likewise.

testsuite/
	PR rtl-optimization/44787
	* gcc.c-torture/compile/pr44788.c: New test.
	* gcc.target/arm/pr44788.c: New test.

From-SVN: r161893

gcc/ChangeLog

+2010-07-07  Bernd Schmidt  <bernds@codesourcery.com>
+
+	PR rtl-optimization/44787
+	* config/arm/arm.md (arith_shiftsi): Allow stack pointer in operand 2.
+	* config/arm/thumb2.md (thumb2_arith_shiftsi): Likewise.
+
 2010-07-06  Jan Hubicka  <jh@suse.cz>
 
 	* lto-symtab.c (lto_cgraph_replace_node): Handle aliases.

gcc/config/arm/arm.md

@@ -9122,7 +9122,7 @@
           [(match_operator:SI 3 "shift_operator"
              [(match_operand:SI 4 "s_register_operand" "r")
               (match_operand:SI 5 "reg_or_int_operand" "rI")])
-           (match_operand:SI 2 "s_register_operand" "r")]))]
+           (match_operand:SI 2 "s_register_operand" "rk")]))]
   "TARGET_ARM"
   "%i1%?\\t%0, %2, %4%S3"
   [(set_attr "predicable" "yes")

gcc/config/arm/thumb2.md

@@ -467,7 +467,7 @@
           [(match_operator:SI 3 "shift_operator"
              [(match_operand:SI 4 "s_register_operand" "r")
               (match_operand:SI 5 "const_int_operand" "M")])
-           (match_operand:SI 2 "s_register_operand" "r")]))]
+           (match_operand:SI 2 "s_register_operand" "rk")]))]
   "TARGET_THUMB2"
   "%i1%?\\t%0, %2, %4%S3"
   [(set_attr "predicable" "yes")

gcc/testsuite/ChangeLog

+2010-07-07  Bernd Schmidt  <bernds@codesourcery.com>
+
+	PR rtl-optimization/44787
+	* gcc.c-torture/compile/pr44788.c: New test.
+	* gcc.target/arm/pr44788.c: New test.
+
 2010-07-06  Peter Bergner  <bergner@vnet.ibm.com>
 
 	* gcc.target/powerpc/altivec-volatile.c: Adjust expected warning.

gcc/testsuite/gcc.c-torture/compile/pr44788.c

+void joint_decode(float* mlt_buffer1, int t) {
+    int i;
+    float decode_buffer[1060];
+    foo(decode_buffer);
+    for (i=0; i<10 ; i++) {
+        mlt_buffer1[i] = i * decode_buffer[t];
+    }
+}

gcc/testsuite/gcc.target/arm/pr44788.c

+/* { dg-do compile } */
+/* { dg-require-effective-target arm_thumb2_ok } */
+/* { dg-options "-Os -fno-strict-aliasing -fPIC -mthumb -march=armv7-a -mfpu=vfp3 -mfloat-abi=softfp" } */
+
+void joint_decode(float* mlt_buffer1, int t) {
+    int i;
+    float decode_buffer[1060];
+    foo(decode_buffer);
+    for (i=0; i<10 ; i++) {
+        mlt_buffer1[i] = i * decode_buffer[t];
+    }
+}