Fixes bug 87330 by invoking df_note_add_problem to recompute REG_DEAD and REG_UNUSED...

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@265618 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f6137d60b1e4e4f28940310babb1a5b511f28b74..c5eecd0951dfb37815aa3ef41fef244751bec72a 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2018-10-30 Sameera Deshpande <sameera.deshpande@linaro.org
+
+       * gcc/config/aarch64/falkor-tag-collision-avoidance.c
+       (execute_tag_collision_avoidance): Call df_note_add_problem.
+
 2018-10-30  Martin Liska  <mliska@suse.cz>
 
        * doc/extend.texi: Fix typo in documentation

diff --git a/gcc/config/aarch64/falkor-tag-collision-avoidance.c b/gcc/config/aarch64/falkor-tag-collision-avoidance.c
index 518954f143c0a434ff6d99f9429a95877d37f0cd..1e7664b400c80fe501fa643472d968c01d80c5f5 100644 (file)
--- a/gcc/config/aarch64/falkor-tag-collision-avoidance.c
+++ b/gcc/config/aarch64/falkor-tag-collision-avoidance.c
@@ -805,6 +805,7 @@ execute_tag_collision_avoidance ()
   df_set_flags (DF_RD_PRUNE_DEAD_DEFS);
   df_chain_add_problem (DF_UD_CHAIN);
   df_compute_regs_ever_live (true);
+  df_note_add_problem ();
   df_analyze ();
   df_set_flags (DF_DEFER_INSN_RESCAN);