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

	* 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 57d735bbe592247ff95ec3de722d7899723c86a4..aef3cb3d8f55763e167b0e6decc4424a320471ad 100644 (file)
--- 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 526d83917a1fe3ff99f2bd8671cc0510239fdc05..0c3ce486b49109d69e0cb61a42cf9ab3965cfb13 100644 (file)
--- 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]