diff options
Diffstat (limited to 'src/hotspot/cpu/s390/c1_LIRGenerator_s390.cpp')
| -rw-r--r-- | src/hotspot/cpu/s390/c1_LIRGenerator_s390.cpp | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/hotspot/cpu/s390/c1_LIRGenerator_s390.cpp b/src/hotspot/cpu/s390/c1_LIRGenerator_s390.cpp index c216897d68f..8df13597425 100644 --- a/src/hotspot/cpu/s390/c1_LIRGenerator_s390.cpp +++ b/src/hotspot/cpu/s390/c1_LIRGenerator_s390.cpp @@ -1,5 +1,5 @@ /* - * Copyright (c) 2016, 2023, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2016, 2024, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 2016, 2017 SAP SE. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * @@ -157,8 +157,10 @@ LIR_Address* LIRGenerator::generate_address(LIR_Opr base, LIR_Opr index, return new LIR_Address(base, index, type); } else { if (shift > 0) { - LIR_Opr tmp = new_pointer_register(); - __ shift_left(index, shift, tmp); + // Use long register to avoid overflow when shifting large index values left. + LIR_Opr tmp = new_register(T_LONG); + __ convert(Bytecodes::_i2l, index, tmp); + __ shift_left(tmp, shift, tmp); index = tmp; } return new LIR_Address(base, index, disp, type); |