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authorvmakarov <vmakarov@138bc75d-0d04-0410-961f-82ee72b054a4>2018-01-24 19:45:55 +0000
committervmakarov <vmakarov@138bc75d-0d04-0410-961f-82ee72b054a4>2018-01-24 19:45:55 +0000
commit2168623d192168433cbd9b8cb2ba4ef55d3c7f5a (patch)
treef6f3cb3dbb9fa82764baee42fef30316406158ee
parent02e955b2f245b91ccc33f6ef5fc20ced17be2b68 (diff)
downloadgcc-2168623d192168433cbd9b8cb2ba4ef55d3c7f5a.tar.gz
2018-01-24 Vladimir Makarov <vmakarov@redhat.com>
PR target/84014 * ira-build.c (setup_min_max_allocno_live_range_point): Set up min/max for never referenced object. 2018-01-24 Vladimir Makarov <vmakarov@redhat.com> PR target/84014 * gcc.target/powerpc/pr84014.c: New. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@257029 138bc75d-0d04-0410-961f-82ee72b054a4
-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/ira-build.c8
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gcc.target/powerpc/pr84014.c20
4 files changed, 38 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e52ca7c3d6c..c7b0d8e729a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2018-01-24 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR target/84014
+ * ira-build.c (setup_min_max_allocno_live_range_point): Set up
+ min/max for never referenced object.
+
2018-01-24 Jakub Jelinek <jakub@redhat.com>
PR middle-end/83977
diff --git a/gcc/ira-build.c b/gcc/ira-build.c
index 9ece3ae1d94..c0fd9384f8b 100644
--- a/gcc/ira-build.c
+++ b/gcc/ira-build.c
@@ -2728,7 +2728,13 @@ setup_min_max_allocno_live_range_point (void)
ira_object_t parent_obj;
if (OBJECT_MAX (obj) < 0)
- continue;
+ {
+ /* The object is not used and hence does not live. */
+ ira_assert (OBJECT_LIVE_RANGES (obj) == NULL);
+ OBJECT_MAX (obj) = 0;
+ OBJECT_MIN (obj) = 1;
+ continue;
+ }
ira_assert (ALLOCNO_CAP_MEMBER (a) == NULL);
/* Accumulation of range info. */
if (ALLOCNO_CAP (a) != NULL)
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index e0ee6b0a438..8f6d434b3f9 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2018-01-24 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR target/84014
+ * gcc.target/powerpc/pr84014.c: New.
+
2018-01-24 Jakub Jelinek <jakub@redhat.com>
PR middle-end/83977
diff --git a/gcc/testsuite/gcc.target/powerpc/pr84014.c b/gcc/testsuite/gcc.target/powerpc/pr84014.c
new file mode 100644
index 00000000000..aab0e973ba1
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/pr84014.c
@@ -0,0 +1,20 @@
+/* { dg-do compile { target powerpc*-*-* } }*/
+/* { dg-options "-O1 -fno-split-wide-types -m32 -mcpu=e300c3" } */
+
+int
+nh (void)
+{
+}
+
+long long int
+si (void)
+{
+}
+
+int
+xf (int fg)
+{
+ int y5 = nh ();
+ fg += !!y5 ? y5 : si ();
+ return fg;
+}