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-rw-r--r--gcc/ChangeLog7
-rw-r--r--gcc/config/arm/arm.c4
2 files changed, 10 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4410a8c..5645867 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2013-08-08 Richard Earnshaw <rearnsha@arm.com>
+
+ PR target/56979
+ * arm.c (aapcs_vfp_allocate): Decompose the argument if the
+ suggested mode for the assignment isn't compatible with the
+ registers required.
+
2013-08-08 Bernd Edlinger <bernd.edlinger@hotmail.de>
PR target/58065
diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c
index 8c1dce9..f731bb6 100644
--- a/gcc/config/arm/arm.c
+++ b/gcc/config/arm/arm.c
@@ -4544,7 +4544,9 @@ aapcs_vfp_allocate (CUMULATIVE_ARGS *pcum, enum machine_mode mode,
if (((pcum->aapcs_vfp_regs_free >> regno) & mask) == mask)
{
pcum->aapcs_vfp_reg_alloc = mask << regno;
- if (mode == BLKmode || (mode == TImode && !TARGET_NEON))
+ if (mode == BLKmode
+ || (mode == TImode && ! TARGET_NEON)
+ || ! arm_hard_regno_mode_ok (FIRST_VFP_REGNUM + regno, mode))
{
int i;
int rcount = pcum->aapcs_vfp_rcount;