From: Jan Hubicka <jh@suse.cz>
Date: Wed, 26 May 2004 22:19:40 +0000 (+0200)
Subject: i386.md (UNSPECV_EH_RETURN): Kill.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=dabbc72269ece1873a9bc9a841ed7f3577312da3;p=gcc.git

i386.md (UNSPECV_EH_RETURN): Kill.


	* i386.md (UNSPECV_EH_RETURN): Kill.
	(eh_return): Use jump_insn.
	(eh_return_si, eh_return_di): Change pattern to jump instruction.

From-SVN: r82295
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 1bacc993b24..1fad8d51b1f 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2004-05-27  Jan Hubicka  <jh@suse.cz>
+
+	* i386.md (UNSPECV_EH_RETURN): Kill.
+	(eh_return): Use jump_insn.
+	(eh_return_si, eh_return_di): Change pattern to jump instruction.
+
 2004-05-26  Jan Hubicka  <jh@suse.cz>
 
 	* cfgcleanup.c (try_forward_edges):  Do not check loop structure when
diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
index 270168ff75b..40f33fba29e 100644
--- a/gcc/config/i386/i386.md
+++ b/gcc/config/i386/i386.md
@@ -137,11 +137,12 @@
 
    ; REP instruction
    (UNSPEC_REP			75)
+
+   (UNSPEC_EH_RETURN		76)
   ])
 
 (define_constants
   [(UNSPECV_BLOCKAGE		0)
-   (UNSPECV_EH_RETURN		13)
    (UNSPECV_EMMS		31)
    (UNSPECV_LDMXCSR		37)
    (UNSPECV_STMXCSR		40)
@@ -13880,6 +13881,7 @@
   ""
 {
   rtx tmp, sa = EH_RETURN_STACKADJ_RTX, ra = operands[0];
+  rtx jmp;
 
   /* Tricky bit: we write the address of the handler to which we will
      be returning into someone else's stack frame, one word below the
@@ -13890,16 +13892,19 @@
   emit_move_insn (tmp, ra);
 
   if (Pmode == SImode)
-    emit_insn (gen_eh_return_si (sa));
+    jmp = emit_jump_insn (gen_eh_return_si (sa));
   else
-    emit_insn (gen_eh_return_di (sa));
+    jmp = emit_jump_insn (gen_eh_return_di (sa));
+  REG_NOTES (jmp) = alloc_EXPR_LIST (REG_NON_LOCAL_GOTO, const0_rtx,
+                                     REG_NOTES (jmp));
   emit_barrier ();
   DONE;
 })
 
 (define_insn_and_split "eh_return_si"
-  [(unspec_volatile [(match_operand:SI 0 "register_operand" "c")]
-		    UNSPECV_EH_RETURN)]
+  [(set (pc) 
+        (unspec [(match_operand:SI 0 "register_operand" "c")]
+	         UNSPEC_EH_RETURN))]
   "!TARGET_64BIT"
   "#"
   "reload_completed"
@@ -13907,8 +13912,9 @@
   "ix86_expand_epilogue (2); DONE;")
 
 (define_insn_and_split "eh_return_di"
-  [(unspec_volatile [(match_operand:DI 0 "register_operand" "c")]
-		    UNSPECV_EH_RETURN)]
+  [(set (pc) 
+        (unspec [(match_operand:DI 0 "register_operand" "c")]
+	         UNSPEC_EH_RETURN))]
   "TARGET_64BIT"
   "#"
   "reload_completed"