PR middle-end/24003

	* calls.c (expand_call): If TARGET is a MEM and some part of the
	argument area has been saved, force TARGET to a register.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@106860 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 42 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/nested-calls-1.c b/gcc/testsuite/gcc.dg/nested-calls-1.c
new file mode 100644
index 00000000000..b3f08becac0
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/nested-calls-1.c
@@ -0,0 +1,42 @@
+/* PR middle-end/24003 */
+/* Contributed by Eric Botcazou <ebotcazou@adacore.com> */
+
+/* { dg-do run } */
+/* { dg-options "-std=c99 -O -fno-inline" } */
+/* { dg-options "-std=c99 -O -fno-inline -mtune=i686" { target { i?86-*-* && ilp32 } } } */
+
+#include <limits.h>
+
+typedef unsigned long uns32_t;
+typedef unsigned long long uns64_t;
+
+extern void abort(void);
+
+uns32_t lo (uns64_t p)
+{
+  return (uns32_t)p;
+}
+
+uns64_t concat (uns32_t p1, uns32_t p2)
+{
+#if LLONG_MAX > 2147483647L
+  return ((uns64_t)p1 << 32) | p2;
+#else
+  return 0;
+#endif
+}
+
+uns64_t lshift32 (uns64_t p1, uns32_t p2)
+{
+  return concat (lo (p1), p2);
+}
+
+int main(void)
+{
+#if LLONG_MAX > 2147483647L
+  if (lshift32 (0xFFFFFFFF12345678ULL, 0x90ABCDEFUL) != 0x1234567890ABCDEFULL)
+    abort ();
+#endif
+
+  return 0;
+}