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-rw-r--r--gcc-4.9/ChangeLog6
-rw-r--r--gcc-4.9/gcc/config/aarch64/aarch64.c6
2 files changed, 10 insertions, 2 deletions
diff --git a/gcc-4.9/ChangeLog b/gcc-4.9/ChangeLog
index 9574f7afa..207f2caf5 100644
--- a/gcc-4.9/ChangeLog
+++ b/gcc-4.9/ChangeLog
@@ -23,6 +23,12 @@
* Makefile.in: Regenerate.
* configure: Regenerate.
+2014-11-19 Wilco Dijkstra <wdijkstr@arm.com>
+
+ PR target/61915
+ * config/aarch64/aarch64.c (generic_regmove_cost): Increase FP move
+ cost.
+
2014-11-19 Renlin Li <Renlin.Li@arm.com>
PR middle-end/63762
diff --git a/gcc-4.9/gcc/config/aarch64/aarch64.c b/gcc-4.9/gcc/config/aarch64/aarch64.c
index 72d1231ec..9c4ced486 100644
--- a/gcc-4.9/gcc/config/aarch64/aarch64.c
+++ b/gcc-4.9/gcc/config/aarch64/aarch64.c
@@ -184,8 +184,10 @@ __extension__
static const struct cpu_regmove_cost generic_regmove_cost =
{
NAMED_PARAM (GP2GP, 1),
- NAMED_PARAM (GP2FP, 2),
- NAMED_PARAM (FP2GP, 2),
+ /* Avoid the use of slow int<->fp moves for spilling by setting
+ their cost higher than memmov_cost. */
+ NAMED_PARAM (GP2FP, 5),
+ NAMED_PARAM (FP2GP, 5),
/* We currently do not provide direct support for TFmode Q->Q move.
Therefore we need to raise the cost above 2 in order to have
reload handle the situation. */