[PATCH 06/12] ia64: Issue REG_CFA_REGISTER for ar.pfs at alloc insn.

[Richard Henderson]

---
 gcc/config/ia64/ia64.c |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)

diff --git a/gcc/config/ia64/ia64.c b/gcc/config/ia64/ia64.c
index c06903d..0a6f2e6 100644
--- a/gcc/config/ia64/ia64.c
+++ b/gcc/config/ia64/ia64.c
@@ -3249,7 +3249,14 @@ ia64_expand_prologue (void)
                                   GEN_INT (current_frame_info.n_local_regs),
                                   GEN_INT (current_frame_info.n_output_regs),
                                   GEN_INT (current_frame_info.n_rotate_regs)));
-      RTX_FRAME_RELATED_P (insn) = (current_frame_info.r[reg_save_ar_pfs] != 
0);
+      if (current_frame_info.r[reg_save_ar_pfs])
+       {
+         RTX_FRAME_RELATED_P (insn) = 1;
+         add_reg_note (insn, REG_CFA_REGISTER,
+                       gen_rtx_SET (VOIDmode,
+                                    ar_pfs_save_reg,
+                                    gen_rtx_REG (DImode, AR_PFS_REGNUM)));
+       }
     }
 
   /* Set up frame pointer, stack pointer, and spill iterators.  */
-- 
1.7.5.4