From: John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
Date: Wed, 24 Sep 2003 01:38:32 +0000 (+0000)
Subject: pa.c (hppa_expand_prologue): Do pic register save in frame marker without adding... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=3ffa9dc1b515f476c6f72a480e2adbdb9077880c;p=gcc.git

pa.c (hppa_expand_prologue): Do pic register save in frame marker without adding a frame note.

	* pa.c (hppa_expand_prologue): Do pic register save in frame marker
	without adding a frame note.
	* pa.md (allocate_stack): Save pic register in new frame marker when
	generating pic code.

From-SVN: r71709
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e0890b3c417..67ac8926f26 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2003-09-23  John Davind Anglin  <dave.anglin@nrc-cnrc.gc.ca>
+
+	* pa.c (hppa_expand_prologue): Do pic register save in frame marker
+	without adding a frame note.
+	* pa.md (allocate_stack): Save pic register in new frame marker when
+	generating pic code.
+
 2003-09-23  Kelley Cook  <kelleycook@wideopenwest.com>
 
 	* cgraphunit.c (cgraph_expand_all_functions): Renamed from 
diff --git a/gcc/config/pa/pa.c b/gcc/config/pa/pa.c
index 9c207d6d591..a7a55881e3f 100644
--- a/gcc/config/pa/pa.c
+++ b/gcc/config/pa/pa.c
@@ -3475,9 +3475,17 @@ hppa_expand_prologue (void)
      when generating PIC code.  FIXME:  What is the correct thing
      to do for functions which make no calls and allocate no
      frame?  Do we need to allocate a frame, or can we just omit
-     the save?   For now we'll just omit the save.  */
+     the save?   For now we'll just omit the save.
+     
+     We don't want a note on this insn as the frame marker can
+     move if there is a dynamic stack allocation.  */
   if (flag_pic && actual_fsize != 0 && !TARGET_64BIT)
-    store_reg (PIC_OFFSET_TABLE_REGNUM, -32, STACK_POINTER_REGNUM);
+    {
+      rtx addr = gen_rtx_PLUS (word_mode, stack_pointer_rtx, GEN_INT (-32));
+
+      emit_move_insn (gen_rtx_MEM (word_mode, addr), pic_offset_table_rtx);
+
+    }
 
   /* Align pointer properly (doubleword boundary).  */
   offset = (offset + 7) & ~7;
diff --git a/gcc/config/pa/pa.md b/gcc/config/pa/pa.md
index b5c994017ba..f6d9238c691 100644
--- a/gcc/config/pa/pa.md
+++ b/gcc/config/pa/pa.md
@@ -8061,17 +8061,22 @@
   ""
   "
 {
+  rtx addr;
+
   /* Since the stack grows upward, we need to store virtual_stack_dynamic_rtx
      in operand 0 before adjusting the stack.  */
   emit_move_insn (operands[0], virtual_stack_dynamic_rtx);
   anti_adjust_stack (operands[1]);
   if (TARGET_HPUX_UNWIND_LIBRARY)
     {
-      rtx dst = gen_rtx_MEM (word_mode,
-  			     gen_rtx_PLUS (word_mode, stack_pointer_rtx,
-			  		   GEN_INT (TARGET_64BIT ? -8 : -4)));
-
-      emit_move_insn (dst, frame_pointer_rtx);
+      addr = gen_rtx_PLUS (word_mode, stack_pointer_rtx,
+			   GEN_INT (TARGET_64BIT ? -8 : -4));
+      emit_move_insn (gen_rtx_MEM (word_mode, addr), frame_pointer_rtx);
+    }
+  if (!TARGET_64BIT && flag_pic)
+    {
+      rtx addr = gen_rtx_PLUS (word_mode, stack_pointer_rtx, GEN_INT (-32));
+      emit_move_insn (gen_rtx_MEM (word_mode, addr), pic_offset_table_rtx);
     }
   DONE;
 }")