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authorgjl <gjl@138bc75d-0d04-0410-961f-82ee72b054a4>2016-06-21 10:10:46 +0000
committergjl <gjl@138bc75d-0d04-0410-961f-82ee72b054a4>2016-06-21 10:10:46 +0000
commit3bdae8d2e87e14b908f8fc60aa96c2030140ab32 (patch)
tree50ae1d5cfe91fbd874bc9ea33926d28e9a38d373
parentec15ec364cc3422cb5960abe812c4df3d8f9128c (diff)
downloadgcc-3bdae8d2e87e14b908f8fc60aa96c2030140ab32.tar.gz
PR target/71103
* config/avr/avr.md (movqi): Only handle loading subreg:qi of constant addresses if can_create_pseudo_p. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@237635 138bc75d-0d04-0410-961f-82ee72b054a4
-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/config/avr/avr.md5
2 files changed, 9 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 14b8030ec69..7927454fdba 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2016-06-21 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/71103
+ * config/avr/avr.md (movqi): Only handle loading subreg:qi of
+ constant addresses if can_create_pseudo_p.
+
2016-06-21 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/71588
diff --git a/gcc/config/avr/avr.md b/gcc/config/avr/avr.md
index aac830154f0..98951865b1e 100644
--- a/gcc/config/avr/avr.md
+++ b/gcc/config/avr/avr.md
@@ -643,8 +643,9 @@
if (QImode == <MODE>mode
&& SUBREG_P (src)
- && CONSTANT_ADDRESS_P (SUBREG_REG (src)))
- {
+ && CONSTANT_ADDRESS_P (SUBREG_REG (src))
+ && can_create_pseudo_p())
+ {
// store_bitfield may want to store a SYMBOL_REF or CONST in a
// structure that's represented as PSImode. As the upper 16 bits
// of PSImode cannot be expressed as an HImode subreg, the rhs is