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Upstream-Status: Inappropriate [Backport]
From a03834fec84b808ccef5c0abb5c35d069d7ad868 Mon Sep 17 00:00:00 2001
From: nickc <nickc@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Tue, 12 Apr 2011 11:33:07 +0000
Subject: [PATCH 108/200] * config/v850/v850.c (expand_prologue): Do not use the CALLT
instruction for interrupt handlers if the target is the basic V850
architecture.
(expand_epilogue): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_6-branch@172312 138bc75d-0d04-0410-961f-82ee72b054a4
index 6d6ed78..d75f88c 100644
--- a/gcc/config/v850/v850.c
+++ b/gcc/config/v850/v850.c
@@ -1686,7 +1686,7 @@ expand_prologue (void)
/* Save/setup global registers for interrupt functions right now. */
if (interrupt_handler)
{
- if (! TARGET_DISABLE_CALLT)
+ if (! TARGET_DISABLE_CALLT && (TARGET_V850E || TARGET_V850E2_ALL))
emit_insn (gen_callt_save_interrupt ());
else
emit_insn (gen_save_interrupt ());
@@ -1768,7 +1768,7 @@ expand_prologue (void)
/* Special case interrupt functions that save all registers for a call. */
if (interrupt_handler && ((1L << LINK_POINTER_REGNUM) & reg_saved) != 0)
{
- if (! TARGET_DISABLE_CALLT)
+ if (! TARGET_DISABLE_CALLT && (TARGET_V850E || TARGET_V850E2_ALL))
emit_insn (gen_callt_save_all_interrupt ());
else
emit_insn (gen_save_all_interrupt ());
@@ -2019,7 +2019,7 @@ expand_epilogue (void)
/* And return or use reti for interrupt handlers. */
if (interrupt_handler)
{
- if (! TARGET_DISABLE_CALLT)
+ if (! TARGET_DISABLE_CALLT && (TARGET_V850E || TARGET_V850E2_ALL))
emit_insn (gen_callt_return_interrupt ());
else
emit_jump_insn (gen_return_interrupt ());
--
1.7.0.4
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