From: Richard Earnshaw <rearnsha@arm.com>
Date: Sun, 2 Feb 2003 16:20:31 +0000 (+0000)
Subject: arm.md (sibcall_epilogue): Set the "conds" to "clob".
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=0732a089969e6c322c8c9afefbfce76e02f038e6;p=gcc.git

arm.md (sibcall_epilogue): Set the "conds" to "clob".

* arm.md (sibcall_epilogue): Set the "conds" to "clob".
(epilogue_insns): Likewise.

From-SVN: r62281
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 76fa985d98f..34cd1e43936 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2003-02-02  Richard Earnshaw  <rearnsha@arm.com>
+
+	* arm.md (sibcall_epilogue): Set the "conds" to "clob".
+	(epilogue_insns): Likewise.
+
 2003-02-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 
 	* doc/install.texi (hppa*-hp-hpux11*): Update installation notes.
diff --git a/gcc/config/arm/arm.md b/gcc/config/arm/arm.md
index 40f956ee260..001ea4ba2c2 100644
--- a/gcc/config/arm/arm.md
+++ b/gcc/config/arm/arm.md
@@ -8446,7 +8446,11 @@
   "
 ;; Length is absolute worst case
   [(set_attr "length" "44")
-   (set_attr "type" "block")]
+   (set_attr "type" "block")
+   ;; We don't clobber the conditions, but the potential length of this
+   ;; operation is sufficient to make conditionalizing the sequence 
+   ;; unlikely to be profitable.
+   (set_attr "conds" "clob")]
 )
 
 (define_insn "*epilogue_insns"
@@ -8460,7 +8464,11 @@
   "
   ; Length is absolute worst case
   [(set_attr "length" "44")
-   (set_attr "type" "block")]
+   (set_attr "type" "block")
+   ;; We don't clobber the conditions, but the potential length of this
+   ;; operation is sufficient to make conditionalizing the sequence 
+   ;; unlikely to be profitable.
+   (set_attr "conds" "clob")]
 )
 
 (define_expand "eh_epilogue"