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lra-assign.c (assign_by_spills): Add code to assign vector regs to inheritance pseudos. 

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.

From-SVN: r211655
This commit is contained in:
Vladimir Makarov 2014-06-13 20:28:10 +00:00 committed by Vladimir Makarov
parent 8241efd129
commit 9afb455c25
3 changed files with 32 additions and 1 deletions
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6
gcc/ChangeLog
View File

@ -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

2
gcc/config/i386/i386.c
View File

@ -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;
}

25
gcc/lra-assigns.c
View File

@ -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);