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authorBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
committerBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
commit1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch)
treec607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.dg/guality/pr43077-1.c
parent283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff)
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Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/guality/pr43077-1.c')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/guality/pr43077-1.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/guality/pr43077-1.c b/gcc-4.9/gcc/testsuite/gcc.dg/guality/pr43077-1.c
new file mode 100644
index 000000000..d8d5eebe0
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/guality/pr43077-1.c
@@ -0,0 +1,55 @@
+/* PR debug/43077 */
+/* { dg-do run } */
+/* { dg-options "-g" } */
+
+int varb;
+
+int __attribute__((noinline))
+fn1 (void)
+{
+ int vara = (varb == 3); /* { dg-final { gdb-test 11 "vara" "0" } } */
+ asm volatile ("" : : "g" (vara)); /* { dg-final { gdb-test 11 "varb" "2" } } */
+ return 0;
+}
+
+int __attribute__((noinline))
+fn2 (void)
+{
+ int vara = (varb == 3); /* { dg-final { gdb-test 19 "vara" "1" } } */
+ asm volatile ("" : : "g" (vara)); /* { dg-final { gdb-test 19 "varb" "3" } } */
+ return 0;
+}
+
+int __attribute__((noinline))
+foo (unsigned long *p, unsigned long *q)
+{
+ int ret;
+ asm volatile ("" : "=r" (ret), "=r" (*p), "=r" (*q) : "0" (1), "1" (2), "2" (3));
+ return ret;
+}
+
+int __attribute__((noinline))
+fn3 (void)
+{
+ unsigned long a = 0, b = 0, c = 0;
+ a = foo (&b, &c);
+ /* { dg-final { gdb-test 42 "a" "1" } } */
+ /* { dg-final { gdb-test 42 "b" "2" } } */
+ /* { dg-final { gdb-test 42 "c" "3" } } */
+ unsigned long vara = a; /* { dg-final { gdb-test 42 "vara" "1" } } */
+ unsigned long varb = b; /* { dg-final { gdb-test 42 "varb" "2" } } */
+ unsigned long varc = c; /* { dg-final { gdb-test 42 "varc" "3" } } */
+ asm volatile ("" : : "g" (vara), "g" (varb), "g" (varc));
+ return a;
+}
+
+int
+main (void)
+{
+ asm volatile ("" : "=r" (varb) : "0" (2));
+ fn1 ();
+ asm volatile ("" : "=r" (varb) : "0" (3));
+ fn2 ();
+ fn3 ();
+ return 0;
+}