From: Richard Sandiford <rdsandiford@googlemail.com>
Date: Thu, 5 Jun 2008 16:33:57 +0000 (+0000)
Subject: mips.c (mips_emit_loadgp): Emit a blockage if current_function_profile.
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=206109cdcbfce970ea7d00fa11421ba001266f48;p=thirdparty%2Fgcc.git

mips.c (mips_emit_loadgp): Emit a blockage if current_function_profile.

gcc/
	* config/mips/mips.c (mips_emit_loadgp): Emit a blockage if
	current_function_profile.
	* config/mips/mips.md (loadgp_blockage): Use SI rather than DI.

From-SVN: r136408
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index edc16a2ec1f5..92d7768ead45 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2008-06-05  Richard Sandiford  <rdsandiford@googlemail.com>
+
+	* config/mips/mips.c (mips_emit_loadgp): Emit a blockage if
+	current_function_profile.
+	* config/mips/mips.md (loadgp_blockage): Use SI rather than DI.
+
 2008-05-29  Eric Botcazou  <ebotcazou@adacore.com>
 
 	* tree-nested.c (check_for_nested_with_variably_modified): Fix typo.
diff --git a/gcc/config/mips/mips.c b/gcc/config/mips/mips.c
index 521afa4bf1a8..9cf221b33656 100644
--- a/gcc/config/mips/mips.c
+++ b/gcc/config/mips/mips.c
@@ -6534,7 +6534,7 @@ mips_emit_loadgp (void)
       offset = mips_unspec_address (addr, SYMBOL_GOTOFF_LOADGP);
       incoming_address = gen_rtx_REG (Pmode, PIC_FUNCTION_ADDR_REGNUM);
       emit_insn (gen_loadgp (offset, incoming_address));
-      if (!TARGET_EXPLICIT_RELOCS)
+      if (!TARGET_EXPLICIT_RELOCS || current_function_profile)
 	emit_insn (gen_loadgp_blockage ());
     }
 }
diff --git a/gcc/config/mips/mips.md b/gcc/config/mips/mips.md
index e2ab7fdb999d..2c7922ef7892 100644
--- a/gcc/config/mips/mips.md
+++ b/gcc/config/mips/mips.md
@@ -3947,12 +3947,11 @@
 }
   [(set_attr "length" "12")])
 
-;; The use of gp is hidden when not using explicit relocations.
 ;; This blockage instruction prevents the gp load from being
 ;; scheduled after an implicit use of gp.  It also prevents
 ;; the load from being deleted as dead.
 (define_insn "loadgp_blockage"
-  [(unspec_volatile [(reg:DI 28)] UNSPEC_BLOCKAGE)]
+  [(unspec_volatile [(reg:SI 28)] UNSPEC_BLOCKAGE)]
   ""
   ""
   [(set_attr "type"	"unknown")