PR target/16195

	* config/rs6000/rs6000.c (rs6000_conditional_register_usage): Make
	r30 fixed if TARGET_TOC && TARGET_MINIMAL_TOC.
	(first_reg_to_save): Pretend call_used_regs[30] is 0 if
	TARGET_TOC && TARGET_MINIMAL_TOC.
	(rs6000_emit_prologue, rs6000_emit_epilogue): Likewise.

	* gcc.dg/20040625-1.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@83872 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 37 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/20040625-1.c b/gcc/testsuite/gcc.dg/20040625-1.c
new file mode 100644
index 00000000000..e05e87c9124
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/20040625-1.c
@@ -0,0 +1,37 @@
+/* { dg-do run } */
+/* { dg-options "-O2" } */
+/* { dg-options "-mminimal-toc" { target powerpc64-*-* powerpc-ibm-aix* } } */
+
+extern void abort (void);
+extern void exit (int);
+
+double __attribute__((noinline))
+foo (void)
+{
+  return 16441577472.0;
+}
+
+double __attribute__((noinline))
+bar (double x)
+{
+  return x;
+}
+
+int __attribute__((noinline))
+test (void)
+{
+  double x = foo ();
+  x = bar (x);
+  x /= 1024 * 1024 * 1024;
+  x *= 70;
+  x = x < 70 ? x : 70;
+  x += 30;
+  return x;
+}
+
+int main (void)
+{
+  if (test () != 100)
+    abort ();
+  exit (0);
+}