From: Paul Brook <paul@codesourcery.com>
Date: Tue, 3 Aug 2004 14:30:46 +0000 (+0000)
Subject: * config/arm/arm.c (emit_sfm): Only emit a single frame adjustment.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8ee6eb4e8c7bba61f471d259f84cb11f92120eb7;p=gcc.git

* config/arm/arm.c (emit_sfm): Only emit a single frame adjustment.

From-SVN: r85480
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index de1e8508b1c..68e347e1456 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2004-08-03  Paul Brook  <paul@codesourcery.com>
+
+	* config/arm/arm.c (emit_sfm): Only emit a single frame adjustment.
+
 2004-08-03  Jan Hubicka  <jh@suse.cz>
 
 	* coverage.c (tree_coverage_counter_ref): Fix computation of the new
diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c
index 7209896555e..66fc8f88735 100644
--- a/gcc/config/arm/arm.c
+++ b/gcc/config/arm/arm.c
@@ -9911,7 +9911,7 @@ emit_sfm (int base_reg, int count)
   int i;
 
   par = gen_rtx_PARALLEL (VOIDmode, rtvec_alloc (count));
-  dwarf = gen_rtx_PARALLEL (VOIDmode, rtvec_alloc (count));
+  dwarf = gen_rtx_SEQUENCE (VOIDmode, rtvec_alloc (count + 1));
 
   reg = gen_rtx_REG (XFmode, base_reg++);
 
@@ -9922,13 +9922,10 @@ emit_sfm (int base_reg, int count)
 		   gen_rtx_UNSPEC (BLKmode,
 				   gen_rtvec (1, reg),
 				   UNSPEC_PUSH_MULT));
-  tmp
-    = gen_rtx_SET (VOIDmode, 
-		   gen_rtx_MEM (XFmode,
-				gen_rtx_PRE_DEC (BLKmode, stack_pointer_rtx)),
-		   reg);
+  tmp = gen_rtx_SET (VOIDmode, 
+		     gen_rtx_MEM (XFmode, stack_pointer_rtx), reg);
   RTX_FRAME_RELATED_P (tmp) = 1;
-  XVECEXP (dwarf, 0, count - 1) = tmp;	  
+  XVECEXP (dwarf, 0, 1) = tmp;	  
   
   for (i = 1; i < count; i++)
     {
@@ -9937,13 +9934,21 @@ emit_sfm (int base_reg, int count)
 
       tmp = gen_rtx_SET (VOIDmode, 
 			 gen_rtx_MEM (XFmode,
-				      gen_rtx_PRE_DEC (BLKmode,
-						       stack_pointer_rtx)),
+				      plus_constant (stack_pointer_rtx,
+						     i * 12)),
 			 reg);
       RTX_FRAME_RELATED_P (tmp) = 1;
-      XVECEXP (dwarf, 0, count - i - 1) = tmp;	  
+      XVECEXP (dwarf, 0, i + 1) = tmp;	  
     }
 
+  tmp = gen_rtx_SET (VOIDmode,
+		     stack_pointer_rtx,
+		     gen_rtx_PLUS (SImode,
+				   stack_pointer_rtx,
+				   GEN_INT (-12 * count)));
+  RTX_FRAME_RELATED_P (tmp) = 1;
+  XVECEXP (dwarf, 0, 0) = tmp;
+
   par = emit_insn (par);
   REG_NOTES (par) = gen_rtx_EXPR_LIST (REG_FRAME_RELATED_EXPR, dwarf,
 				       REG_NOTES (par));