From: kcook <kcook@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Fri, 17 Oct 2003 12:28:33 +0000 (+0000)
Subject: 	* config/i386/i386.c (ix86_expand_prologue):  Use
X-Git-Tag: upstream/4.9.2~75964
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=04b6f6e9a62cc70873c94fbf3c5010f090a6cea3;p=platform%2Fupstream%2Flinaro-gcc.git

	* config/i386/i386.c (ix86_expand_prologue):  Use
	gen_allocate_stack_worker.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@72601 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index b73afb9..b82a371 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2003-10-17  Kelley Cook  <kcook@gcc.gnu.org>
+
+	* config/i386/i386.c (ix86_expand_prologue):  Use
+	gen_allocate_stack_worker.
+
 2003-10-17  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 
 	* config.gcc (mips-sgi-irix6*o32): Only enable use_collect2
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index dbdb194..580c393 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -5073,27 +5073,19 @@ ix86_expand_prologue (void)
     }
   else
     {
-      /* ??? Is this only valid for Win32?  */
+      /* Only valid for Win32 */
 
-      rtx arg0, sym;
+      const rtx eax = gen_rtx_REG (SImode, 0);
+      rtx rtx_allocate = GEN_INT(allocate);
 
       if (TARGET_64BIT)
-	abort ();
-
-      arg0 = gen_rtx_REG (SImode, 0);
-      emit_move_insn (arg0, GEN_INT (allocate));
-
-      sym = gen_rtx_MEM (FUNCTION_MODE,
-			 gen_rtx_SYMBOL_REF (Pmode, "_alloca"));
-      insn = emit_call_insn (gen_call (sym, const0_rtx, constm1_rtx));
+        abort ();
 
-      CALL_INSN_FUNCTION_USAGE (insn)
-	= gen_rtx_EXPR_LIST (VOIDmode, gen_rtx_USE (VOIDmode, arg0),
-			     CALL_INSN_FUNCTION_USAGE (insn));
+      insn = emit_move_insn (eax, rtx_allocate);
+      RTX_FRAME_RELATED_P (insn) = 1;
 
-      /* Don't allow scheduling pass to move insns across __alloca
-         call.  */
-      emit_insn (gen_blockage (const0_rtx));
+      insn = emit_insn (gen_allocate_stack_worker (eax));
+      RTX_FRAME_RELATED_P (insn) = 1;
     }
   if (frame.save_regs_using_mov && !TARGET_RED_ZONE)
     {