[PATCH, ARM] Fix for pr65924

[Yvan Roux]

Hi,

here is the patch for PR65924, only tested on the original testcase so far.

Thanks
Yvan

gcc/
2015-04-29  Yvan Roux  <yvan.r...@linaro.org>

    PR target/65924
    * config/arm/thumb2.md (*thumb2_addsi3_compare0_scratch): Fix operand
    number in type attribute expression.

gcc/testsuite/
2015-04-29  Yvan Roux  <yvan.r...@linaro.org>

    PR target/65924
    gcc.target/arm/pr65924.c: New test.

diff --git a/gcc/config/arm/thumb2.md b/gcc/config/arm/thumb2.md
index 4f9faac..2c91542 100644
--- a/gcc/config/arm/thumb2.md
+++ b/gcc/config/arm/thumb2.md
@@ -1305,7 +1305,7 @@
   "
   [(set_attr "conds" "set")
    (set_attr "length" "2,4")
-   (set (attr "type") (if_then_else (match_operand 2 "const_int_operand" "")
+   (set (attr "type") (if_then_else (match_operand 1 "const_int_operand" "")
                                     (const_string "alus_imm")
                                     (const_string "alus_sreg")))]
 )
diff --git a/gcc/testsuite/gcc.target/arm/pr65924.c 
b/gcc/testsuite/gcc.target/arm/pr65924.c
new file mode 100644
index 0000000..746749f
--- /dev/null
+++ b/gcc/testsuite/gcc.target/arm/pr65924.c
@@ -0,0 +1,8 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -mthumb" } */
+
+int a, b, c;
+int fn1() {
+  if (b + a < 0)
+    c = 0;
+}