[aarch64-port-dev ] SIGSEGV in aarch64 OpenJDK8u

[Andrew Haley]

Thanks for the test case.

That was, as Sherlock Holmes tended to say, quite a three-pipe problem.
Please try this patch and let me know.

Andrew.



diff --git a/src/cpu/aarch64/vm/aarch64.ad b/src/cpu/aarch64/vm/aarch64.ad
--- a/src/cpu/aarch64/vm/aarch64.ad
+++ b/src/cpu/aarch64/vm/aarch64.ad
@@ -15152,7 +15192,7 @@
 %}

 instruct string_indexof(iRegP_R1 str1, iRegI_R4 cnt1, iRegP_R3 str2, iRegI_R2 cnt2,
-       iRegI_R0 result, iRegI tmp1, iRegI tmp2, iRegI tmp3, iRegI tmp4, rFlagsReg cr)
+       iRegI_R0 result, iRegINoSp tmp1, iRegINoSp tmp2, iRegINoSp tmp3, iRegINoSp tmp4, rFlagsReg cr)
 %{
   match(Set result (StrIndexOf (Binary str1 cnt1) (Binary str2 cnt2)));
   effect(USE_KILL str1, USE_KILL str2, USE_KILL cnt1, USE_KILL cnt2,
@@ -15170,8 +15210,8 @@
 %}

 instruct string_indexof_con(iRegP_R1 str1, iRegI_R4 cnt1, iRegP_R3 str2,
-                 immI_le_4 int_cnt2, iRegI_R0 result, iRegI tmp1, iRegI tmp2,
-                 iRegI tmp3, iRegI tmp4, rFlagsReg cr)
+                 immI_le_4 int_cnt2, iRegI_R0 result, iRegINoSp tmp1, iRegINoSp tmp2,
+                 iRegINoSp tmp3, iRegINoSp tmp4, rFlagsReg cr)
 %{
   match(Set result (StrIndexOf (Binary str1 cnt1) (Binary str2 int_cnt2)));
   effect(USE_KILL str1, USE_KILL str2, USE_KILL cnt1,