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8203699: java/lang/invoke/SpecialInterfaceCall fails with SIGILL on aarch64

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Fastdebug build fails with SIGILL

Reviewed-by: shade, drwhite, aph
This commit is contained in:
Andrew Dinn 2018-05-23 15:57:51 +00:00
parent 5c90486c43
commit 5634c779d5
1 changed files with 5 additions and 1 deletions
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6
src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp
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@ -1224,7 +1224,6 @@ void MacroAssembler::check_klass_subtype_slow_path(Register sub_klass,
assert(sub_klass != r0, "killed reg"); // killed by mov(r0, super)
assert(sub_klass != r2, "killed reg"); // killed by lea(r2, &pst_counter)
// Get super_klass value into r0 (even if it was in r5 or r2).
RegSet pushed_registers;
if (!IS_A_TEMP(r2)) pushed_registers += r2;
if (!IS_A_TEMP(r5)) pushed_registers += r5;
@ -1235,6 +1234,11 @@ void MacroAssembler::check_klass_subtype_slow_path(Register sub_klass,
push(pushed_registers, sp);
// Get super_klass value into r0 (even if it was in r5 or r2).
if (super_klass != r0) {
mov(r0, super_klass);
}
#ifndef PRODUCT
mov(rscratch2, (address)&SharedRuntime::_partial_subtype_ctr);
Address pst_counter_addr(rscratch2);