+2016-01-21 Anton Blanchard <anton@samba.org>
+ Bill Schmidt <wschmidt@linux.vnet.ibm.com>
+
+ PR target/63354
+ * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
+ #define.
+ * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
+ function.
+
2016-01-21 Ajit Agarwal <ajitkum@xilinx.com>
* config/microblaze/microblaze.c
#define TARGET_PROFILE_KERNEL profile_kernel
+#undef TARGET_KEEP_LEAF_WHEN_PROFILED
+#define TARGET_KEEP_LEAF_WHEN_PROFILED rs6000_keep_leaf_when_profiled
+
#define TARGET_USES_LINUX64_OPT 1
#ifdef HAVE_LD_LARGE_TOC
#undef TARGET_CMODEL
rs6000_pic_labelno++;
}
+/* -mprofile-kernel code calls mcount before the function prolog,
+ so a profiled leaf function should stay a leaf function. */
+static bool
+rs6000_keep_leaf_when_profiled ()
+{
+ return TARGET_PROFILE_KERNEL;
+}
+
/* Non-zero if vmx regs are restored before the frame pop, zero if
we restore after the pop when possible. */
#define ALWAYS_RESTORE_ALTIVEC_BEFORE_POP 0
+2016-01-21 Anton Blanchard <anton@samba.org>
+ Bill Schmidt <wschmidt@linux.vnet.ibm.com>
+
+ PR target/63354
+ * gcc.target/powerpc/pr63354.c: New test.
+
2016-01-21 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/68990
--- /dev/null
+/* Verify that we don't stack a frame for leaf functions when using
+ -pg -mprofile-kernel. */
+
+/* { dg-do compile { target { powerpc64*-*-* } } } */
+/* { dg-options "-O2 -pg -mprofile-kernel" } */
+/* { dg-final { scan-assembler-not "mtlr" } } */
+
+int foo(void)
+{
+ return 1;
+}