Merge "Merge GCC 4.8.3"

1 files changed, 88 insertions, 0 deletions

diff --git a/gcc-4.8/gcc/testsuite/gcc.target/avr/torture/pr61055.c b/gcc-4.8/gcc/testsuite/gcc.target/avr/torture/pr61055.c
new file mode 100644
index 000000000..9dd1f427d
--- /dev/null
+++ b/gcc-4.8/gcc/testsuite/gcc.target/avr/torture/pr61055.c
@@ -0,0 +1,88 @@
+/* { dg-do run } */
+/* { dg-options { -fno-peephole2 } } */
+
+#include <stdlib.h>
+
+typedef __UINT16_TYPE__ uint16_t;
+typedef __INT16_TYPE__  int16_t;
+typedef __UINT8_TYPE__  uint8_t;
+
+uint8_t __attribute__((noinline,noclone))
+fun_inc (uint8_t c0)
+{
+  register uint8_t c asm ("r15") = c0;
+
+  /* Force target value into R15 (lower register)  */
+  asm ("" : "+l" (c));
+
+  c++;
+  if (c >= 0x80)
+    c = 0;
+  
+  asm ("" : "+l" (c));
+
+  return c;
+}
+
+uint8_t __attribute__((noinline,noclone))
+fun_dec (uint8_t c0)
+{
+  register uint8_t c asm ("r15") = c0;
+
+  /* Force target value into R15 (lower register)  */
+  asm ("" : "+l" (c));
+
+  c--;
+  if (c < 0x80)
+    c = 0;
+  
+  asm ("" : "+l" (c));
+
+  return c;
+}
+
+
+uint8_t __attribute__((noinline,noclone))
+fun_neg (uint8_t c0)
+{
+  register uint8_t c asm ("r15") = c0;
+
+  c = -c;
+  if (c >= 0x80)
+    c = 0;
+
+  return c;
+}
+
+uint16_t __attribute__((noinline,noclone))
+fun_adiw (uint16_t c0)
+{
+  register uint16_t c asm ("r24") = c0;
+
+  /* Force target value into R24 (for ADIW) */
+  asm ("" : "+r" (c));
+
+  c += 2;
+  if (c >= 0x8000)
+    c = 0;
+
+  asm ("" : "+r" (c));
+  
+  return c;
+}
+
+
+int main()
+{
+  if (fun_inc (0x7f) != 0)
+    abort();
+  
+  if (fun_neg (0x80) != 0)
+    abort();
+  
+  if (fun_adiw (0x7ffe) != 0)
+    abort();
+
+  exit (0);
+  return 0;
+}