From 6c6fd1087265ccfc2a3f87a956b83012cad3f2a1 Mon Sep 17 00:00:00 2001
From: langton <langton@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Thu, 29 Jun 2006 21:49:19 +0000
Subject: [PATCH] * config/i386/i386.c (ix86_output_function_epilogue):
Don't insert a label at the end of an function under Mach-O.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@115079 138bc75d-0d04-0410-961f-82ee72b054a4
---
gcc/ChangeLog | 6 ++++++
gcc/config/i386/i386.c | 17 +++++++++++++++++
2 files changed, 23 insertions(+)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index fdcc4b8b7a45..5a8cb4a19246 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2006-06-29 Asher Langton <langton2@llnl.gov>
+
+ PR target/25765
+ * config/i386/i386.c (ix86_output_function_epilogue): Don't
+ insert a label at the end of an function under Mach-O.
+
2006-06-29 Eric Christopher <echristo@apple.com>
Evan Cheng <evan.cheng@apple.com>
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index bce7991ad097..6c8e1a7e66e5 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -5700,6 +5700,23 @@ ix86_output_function_epilogue (FILE *file ATTRIBUTE_UNUSED,
{
if (pic_offset_table_rtx)
REGNO (pic_offset_table_rtx) = REAL_PIC_OFFSET_TABLE_REGNUM;
+#if TARGET_MACHO
+ /* Mach-O doesn't support labels at the end of objects, so if
+ it looks like we might want one, insert a NOP. */
+ {
+ rtx insn = get_last_insn ();
+ while (insn
+ && NOTE_P (insn)
+ && NOTE_LINE_NUMBER (insn) != NOTE_INSN_DELETED_LABEL)
+ insn = PREV_INSN (insn);
+ if (insn
+ && (LABEL_P (insn)
+ || (NOTE_P (insn)
+ && NOTE_LINE_NUMBER (insn) == NOTE_INSN_DELETED_LABEL)))
+ fputs ("\tnop\n", file);
+ }
+#endif
+
}
/* Extract the parts of an RTL expression that is a valid memory address
--
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