From: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Date: Sun, 30 Jul 2006 10:56:07 +0000 (+0900)
Subject: PR target/28126 (partial fix)
X-Git-Tag: releases/gcc-4.2.0~1916
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=56ee081b4a698df0959b6a312694846b56964d2d;p=thirdparty%2Fgcc.git

PR target/28126 (partial fix)

gcc/
2006-07-25  Atsushi Nemoto  <anemo@mba.ocn.ne.jp>

	PR target/28126 (partial fix)
	* config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.

From-SVN: r115819
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 32c5848fc05b..70f04aff9495 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2006-07-30  Atsushi Nemoto  <anemo@mba.ocn.ne.jp>
+
+	PR target/28126 (partial fix)
+	* config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
+
 2006-07-28  Jan Hubicka  <jh@suse.cz>
 
 	PR rtl-optimization/28071
diff --git a/gcc/config/mips/mips.md b/gcc/config/mips/mips.md
index 1ddc3726fc24..655cfbfa3791 100644
--- a/gcc/config/mips/mips.md
+++ b/gcc/config/mips/mips.md
@@ -5458,6 +5458,9 @@
   "HAVE_AS_TLS && !TARGET_MIPS16"
   ".set\tpush\;.set\tmips32r2\t\;rdhwr\t%0,$29\;.set\tpop"
   [(set_attr "type" "unknown")
+   ; Since rdhwr always generates a trap for now, putting it in a delay
+   ; slot would make the kernel's emulation of it much slower.
+   (set_attr "can_delay" "no")
    (set_attr "mode" "<MODE>")])
 
 ; The MIPS Paired-Single Floating Point and MIPS-3D Instructions.