From: Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
Date: Tue, 28 Apr 2015 04:43:12 +0000 (+0000)
Subject: add default for EPILOGUE_USES
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=a3699d669abd4543fdc3c4607e2d0550e67e52ba;p=gcc.git

add default for EPILOGUE_USES

gcc/ChangeLog:

2015-04-27  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

	* defaults.h (EPILOGUE_USES): Add default definition of false.
	* df-scan.c (EPILOGUE_USES): Remove check if its undefined.
	* resource.c (init_resource_info): Likewise.

From-SVN: r222504
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 72c753d24e4..3846ebc0230 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2015-04-27  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
+
+	* defaults.h (EPILOGUE_USES): Add default definition of false.
+	* df-scan.c (EPILOGUE_USES): Remove check if its undefined.
+	* resource.c (init_resource_info): Likewise.
+
 2015-04-27  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
 
 	* defaults.h (PCC_BITFIELD_TYPE_MATTERS): Add default definition
diff --git a/gcc/defaults.h b/gcc/defaults.h
index 0af7a027606..6f915bd29c2 100644
--- a/gcc/defaults.h
+++ b/gcc/defaults.h
@@ -1221,6 +1221,10 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 #define HARD_REGNO_RENAME_OK(FROM, TO) true
 #endif
 
+#ifndef EPILOGUE_USES
+#define EPILOGUE_USES(REG) false
+#endif
+
 #ifdef GCC_INSN_FLAGS_H
 /* Dependent default target macro definitions
 
diff --git a/gcc/df-scan.c b/gcc/df-scan.c
index 4232ec8d312..9f0e47fe48e 100644
--- a/gcc/df-scan.c
+++ b/gcc/df-scan.c
@@ -72,10 +72,6 @@ typedef struct df_mw_hardreg *df_mw_hardreg_ptr;
 #define HAVE_sibcall_epilogue 0
 #endif
 
-#ifndef EPILOGUE_USES
-#define EPILOGUE_USES(REGNO)  0
-#endif
-
 /* The set of hard registers in eliminables[i].from. */
 
 static HARD_REG_SET elim_reg_set;
diff --git a/gcc/resource.c b/gcc/resource.c
index 26d9fcac523..ba9de123fa0 100644
--- a/gcc/resource.c
+++ b/gcc/resource.c
@@ -1200,11 +1200,7 @@ init_resource_info (rtx_insn *epilogue_insn)
 			       &end_of_function_needs, true);
 
   for (i = 0; i < FIRST_PSEUDO_REGISTER; i++)
-    if (global_regs[i]
-#ifdef EPILOGUE_USES
-	|| EPILOGUE_USES (i)
-#endif
-	)
+    if (global_regs[i] || EPILOGUE_USES (i))
       SET_HARD_REG_BIT (end_of_function_needs.regs, i);
 
   /* The registers required to be live at the end of the function are