1 files changed, 155 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/aarch64/subs2.c b/gcc-4.9/gcc/testsuite/gcc.target/aarch64/subs2.c
new file mode 100644
index 000000000..d90ead514
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/aarch64/subs2.c
@@ -0,0 +1,155 @@
+/* { dg-do run } */
+/* { dg-options "-O2 --save-temps -fno-inline" } */
+
+extern void abort (void);
+
+int
+subs_si_test1 (int a, int b, int c)
+{
+  int d = a - b;
+
+  /* { dg-final { scan-assembler-not "subs\tw\[0-9\]+, w\[0-9\]+, w\[0-9\]+" } } */
+  /* { dg-final { scan-assembler "sub\tw\[0-9\]+, w\[0-9\]+, w\[0-9\]+" } } */
+  if (d <= 0)
+    return a + c;
+  else
+    return b + d + c;
+}
+
+int
+subs_si_test2 (int a, int b, int c)
+{
+  int d = a - 0xfff;
+
+  /* { dg-final { scan-assembler-not "subs\tw\[0-9\]+, w\[0-9\]+, #4095" } } */
+  /* { dg-final { scan-assembler "sub\tw\[0-9\]+, w\[0-9\]+, #4095" } } */
+  if (d <= 0)
+    return a + c;
+  else
+    return b + d + c;
+}
+
+int
+subs_si_test3 (int a, int b, int c)
+{
+  int d = a - (b << 3);
+
+  /* { dg-final { scan-assembler-not "subs\tw\[0-9\]+, w\[0-9\]+, w\[0-9\]+, lsl 3" } } */
+  /* { dg-final { scan-assembler "sub\tw\[0-9\]+, w\[0-9\]+, w\[0-9\]+, lsl 3" } } */
+  if (d <= 0)
+    return a + c;
+  else
+    return b + d + c;
+}
+
+typedef long long s64;
+
+s64
+subs_di_test1 (s64 a, s64 b, s64 c)
+{
+  s64 d = a - b;
+
+  /* { dg-final { scan-assembler-not "subs\tx\[0-9\]+, x\[0-9\]+, x\[0-9\]+" } } */
+  /* { dg-final { scan-assembler "sub\tx\[0-9\]+, x\[0-9\]+, x\[0-9\]+" } } */
+  if (d <= 0)
+    return a + c;
+  else
+    return b + d + c;
+}
+
+s64
+subs_di_test2 (s64 a, s64 b, s64 c)
+{
+  s64 d = a - 0x1000ll;
+
+  /* { dg-final { scan-assembler-not "subs\tx\[0-9\]+, x\[0-9\]+, #4096" } } */
+  /* { dg-final { scan-assembler "sub\tx\[0-9\]+, x\[0-9\]+, #4096" } } */
+  if (d <= 0)
+    return a + c;
+  else
+    return b + d + c;
+}
+
+s64
+subs_di_test3 (s64 a, s64 b, s64 c)
+{
+  s64 d = a - (b << 3);
+
+  /* { dg-final { scan-assembler-not "subs\tx\[0-9\]+, x\[0-9\]+, x\[0-9\]+, lsl 3" } } */
+  /* { dg-final { scan-assembler "sub\tx\[0-9\]+, x\[0-9\]+, x\[0-9\]+, lsl 3" } } */
+  if (d <= 0)
+    return a + c;
+  else
+    return b + d + c;
+}
+
+int main ()
+{
+  int x;
+  s64 y;
+
+  x = subs_si_test1 (29, 4, 5);
+  if (x != 34)
+    abort ();
+
+  x = subs_si_test1 (5, 2, 20);
+  if (x != 25)
+    abort ();
+
+  x = subs_si_test2 (29, 4, 5);
+  if (x != 34)
+    abort ();
+
+  x = subs_si_test2 (1024, 2, 20);
+  if (x != 1044)
+    abort ();
+
+  x = subs_si_test3 (35, 4, 5);
+  if (x != 12)
+    abort ();
+
+  x = subs_si_test3 (5, 2, 20);
+  if (x != 25)
+    abort ();
+
+  y = subs_di_test1 (0x130000029ll,
+		     0x320000004ll,
+		     0x505050505ll);
+
+  if (y != 0x63505052e)
+    abort ();
+
+  y = subs_di_test1 (0x5000500050005ll,
+		     0x2111211121112ll,
+		     0x0000000002020ll);
+  if (y != 0x5000500052025)
+    abort ();
+
+  y = subs_di_test2 (0x130000029ll,
+		     0x320000004ll,
+		     0x505050505ll);
+  if (y != 0x95504f532)
+    abort ();
+
+  y = subs_di_test2 (0x540004100ll,
+		     0x320000004ll,
+		     0x805050205ll);
+  if (y != 0x1065053309)
+    abort ();
+
+  y = subs_di_test3 (0x130000029ll,
+		     0x064000008ll,
+		     0x505050505ll);
+  if (y != 0x63505052e)
+    abort ();
+
+  y = subs_di_test3 (0x130002900ll,
+		     0x088000008ll,
+		     0x505050505ll);
+  if (y != 0x635052e05)
+    abort ();
+
+  return 0;
+}
+
+/* { dg-final { cleanup-saved-temps } } */