aboutsummaryrefslogtreecommitdiff
path: root/gcc
diff options
context:
space:
mode:
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog7
-rw-r--r--gcc/lra-assigns.c2
2 files changed, 9 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 1754aa7..aec58a0 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2020-02-06 <zhongyunde@huawei.com>
+ Vladimir Makarov <vmakarov@redhat.com>
+
+ PR rtl-optimization/93561
+ * lra-assigns.c (spill_for): Check that tested hard regno is not out of
+ hard register range.
+
2020-02-06 Richard Sandiford <richard.sandiford@arm.com>
* config/aarch64/aarch64.md (aarch64_movk<mode>): Add a type
diff --git a/gcc/lra-assigns.c b/gcc/lra-assigns.c
index 031ce40..40e323c 100644
--- a/gcc/lra-assigns.c
+++ b/gcc/lra-assigns.c
@@ -964,6 +964,8 @@ spill_for (int regno, bitmap spilled_pseudo_bitmap, bool first_p)
bitmap_clear (&spill_pseudos_bitmap);
for (j = hard_regno_nregs (hard_regno, mode) - 1; j >= 0; j--)
{
+ if (hard_regno + j >= FIRST_PSEUDO_REGISTER)
+ break;
if (try_hard_reg_pseudos_check[hard_regno + j] != curr_pseudo_check)
continue;
lra_assert (!bitmap_empty_p (&try_hard_reg_pseudos[hard_regno + j]));