From: Joseph Myers <joseph@codesourcery.com>
Date: Tue, 9 Jul 2013 22:37:30 +0000 (+0100)
Subject: rs6000.c (rs6000_init_hard_regno_mode_ok): Only adjust register size for TDmode and... 
X-Git-Tag: releases/gcc-4.7.4~583
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=de715fc04f27cae36d0afa351f50457ceb6a414c;p=thirdparty%2Fgcc.git

rs6000.c (rs6000_init_hard_regno_mode_ok): Only adjust register size for TDmode and TFmode for VSX registers.

	* config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Only
	adjust register size for TDmode and TFmode for VSX registers.

From-SVN: r200855
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 57d735bbe592..aef3cb3d8f55 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2013-07-09  Joseph Myers  <joseph@codesourcery.com>
+
+	* config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Only
+	adjust register size for TDmode and TFmode for VSX registers.
+
 2013-07-08  Eric Botcazou  <ebotcazou@adacore.com>
 
 	* Makefile.in (tree-ssa-reassoc.o): Add dependency on $(PARAMS_H).
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index 526d83917a1f..0c3ce486b491 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -2402,7 +2402,8 @@ rs6000_init_hard_regno_mode_ok (bool global_init_p)
 	  int reg_size2 = reg_size;
 
 	  /* TFmode/TDmode always takes 2 registers, even in VSX.  */
-	  if (m == TDmode || m == TFmode)
+	  if (TARGET_VSX && VSX_REG_CLASS_P (c)
+	      && (m == TDmode || m == TFmode))
 	    reg_size2 = UNITS_PER_FP_WORD;
 
 	  rs6000_class_max_nregs[m][c]