2014-06-13 Vladimir Makarov <vmakarov@redhat.com>

	* lra-assign.c (assign_by_spills): Add code to assign vector regs
	to inheritance pseudos.
	* config/i386/i386.c (ix86_spill_class): Add check on NO_REGS.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@211655 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 64046d4..edb3fc0 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2014-06-13  Vladimir Makarov  <vmakarov@redhat.com>
+
+       * lra-assign.c (assign_by_spills): Add code to assign vector regs
+       to inheritance pseudos.
+       * config/i386/i386.c (ix86_spill_class): Add check on NO_REGS.
+
 2014-06-13  Peter Bergner  <bergner@vnet.ibm.com>
 
        PR target/61415

diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 41f1b7f..c227b4a 100644 (file)
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -46502,7 +46502,7 @@ ix86_spill_class (reg_class_t rclass, enum machine_mode mode)
 {
   if (TARGET_SSE && TARGET_GENERAL_REGS_SSE_SPILL && ! TARGET_MMX
       && (mode == SImode || (TARGET_64BIT && mode == DImode))
-      && INTEGER_CLASS_P (rclass))
+      && rclass != NO_REGS && INTEGER_CLASS_P (rclass))
     return ALL_SSE_REGS;
   return NO_REGS;
 }

diff --git a/gcc/lra-assigns.c b/gcc/lra-assigns.c
index 03c2506..cea4c33 100644 (file)
--- a/gcc/lra-assigns.c
+++ b/gcc/lra-assigns.c
@@ -1420,6 +1420,31 @@ assign_by_spills (void)
                 alternatives of insns containing the pseudo.  */
              bitmap_set_bit (&changed_pseudo_bitmap, regno);
            }
+         else
+           {
+             enum reg_class rclass = lra_get_allocno_class (regno);
+             enum reg_class spill_class;
+             
+             if (lra_reg_info[regno].restore_regno < 0
+                 || ! bitmap_bit_p (&lra_inheritance_pseudos, regno)
+                 || (spill_class
+                     = ((enum reg_class)
+                        targetm.spill_class
+                        ((reg_class_t) rclass,
+                         PSEUDO_REGNO_MODE (regno)))) == NO_REGS)
+               continue;
+             regno_allocno_class_array[regno] = spill_class;
+             hard_regno = find_hard_regno_for (regno, &cost, -1, false);
+             if (hard_regno < 0)
+               regno_allocno_class_array[regno] = rclass;
+             else
+               {
+                 setup_reg_classes
+                   (regno, spill_class, spill_class, spill_class);
+                 assign_hard_regno (hard_regno, regno);
+                 bitmap_set_bit (&changed_pseudo_bitmap, regno);
+               }
+           }
        }
     }
   free (update_hard_regno_preference_check);