From: Jakub Jelinek <jakub@redhat.com>
Date: Mon, 21 Jul 2003 20:18:52 +0000 (+0200)
Subject: rs6000.h (machine_function): Add ra_need_lr.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8c29550d3c6fbc405e1039246ae4425c7cbb8d3b;p=gcc.git

rs6000.h (machine_function): Add ra_need_lr.

	* config/rs6000/rs6000.h (machine_function): Add ra_need_lr.
	* config/rs6000/rs6000.c (rs6000_return_addr): Set it.
	(rs6000_emit_prologue): Save FPRs inline if set.

From-SVN: r69645
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0b2247aa34b..cd57ee3ab5f 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2003-07-21  Jakub Jelinek  <jakub@redhat.com>
+
+	* config/rs6000/rs6000.h (machine_function): Add ra_need_lr.
+	* config/rs6000/rs6000.c (rs6000_return_addr): Set it.
+	(rs6000_emit_prologue): Save FPRs inline if set.
+
 2003-07-21  H.J. Lu <hongjiu.lu@intel.com>
 
 	* config/ia64/ia64.md (prefetch): Support predicate.
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index 8f268974aa5..580d951e05b 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -10542,6 +10542,7 @@ rs6000_return_addr (count, frame)
 			   RETURN_ADDRESS_OFFSET)));
     }
 
+  cfun->machine->ra_need_lr = 1;
   return get_hard_reg_initial_val (Pmode, LINK_REGISTER_REGNUM);
 }
 
@@ -11252,7 +11253,8 @@ rs6000_emit_prologue ()
 			      || info->spe_64bit_regs_used == 0)
 			  && info->first_gp_reg_save < 31);
   saving_FPRs_inline = (info->first_fp_reg_save == 64
-			|| FP_SAVE_INLINE (info->first_fp_reg_save));
+			|| FP_SAVE_INLINE (info->first_fp_reg_save)
+			|| cfun->machine->ra_need_lr);
 
   /* For V.4, update stack before we do any saving and set back pointer.  */
   if (info->push_p
diff --git a/gcc/config/rs6000/rs6000.h b/gcc/config/rs6000/rs6000.h
index 5ba18dce5cd..dd10fa9953b 100644
--- a/gcc/config/rs6000/rs6000.h
+++ b/gcc/config/rs6000/rs6000.h
@@ -1708,6 +1708,8 @@ typedef struct machine_function GTY(())
   const char *some_ld_name;
   /* Whether the instruction chain has been scanned already.  */
   int insn_chain_scanned_p;
+  /* Flags if __builtin_return_address (0) was used.  */
+  int ra_need_lr;
 } machine_function;
 
 /* Define a data type for recording info about an argument list