This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
[PATCH 4/8] add default for EPILOGUE_USES
- From: tbsaunde+gcc at tbsaunde dot org
- To: gcc-patches at gcc dot gnu dot org
- Date: Mon, 27 Apr 2015 01:55:36 -0400
- Subject: [PATCH 4/8] add default for EPILOGUE_USES
- Authentication-results: sourceware.org; auth=none
- References: <1430114140-15817-1-git-send-email-tbsaunde+gcc at tbsaunde dot org>
From: Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
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.
---
gcc/defaults.h | 4 ++++
gcc/df-scan.c | 4 ----
gcc/resource.c | 6 +-----
3 files changed, 5 insertions(+), 9 deletions(-)
diff --git a/gcc/defaults.h b/gcc/defaults.h
index 0af7a02..6f915bd 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 4232ec8..9f0e47f 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 26d9fca..ba9de12 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
--
2.3.0.80.g18d0fec.dirty