Skip to content

8360520: RISC-V: C1: Fix primitive array clone intrinsic regression after JDK-8333154 #25976

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 5 commits into
base: master
Choose a base branch
from
+2 −2
Open

8360520: RISC-V: C1: Fix primitive array clone intrinsic regression after JDK-8333154 #25976

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
5 commits
Select commit Hold shift + click to select a range
445f903
riscv: fix c1 primitive array clone intrinsic regression
feilongjiang Jun 24, 2025
7af2ea3
check unaligned flag at LIR_OpArrayCopy to avoid using AvoidUnaligned…
feilongjiang Jun 26, 2025
be98042
Merge branch 'master' of https://github.com/openjdk/jdk into riscv-fi…
feilongjiang Jun 26, 2025
a3c6a09
Revert RISCV Macro modification
feilongjiang Jul 6, 2025
3a502f8
Merge branch 'master' of https://github.com/openjdk/jdk into riscv-fi…
feilongjiang Jul 6, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion src/hotspot/cpu/riscv/c1_LIRGenerator_riscv.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -772,7 +772,7 @@ void LIRGenerator::do_ArrayCopy(Intrinsic* x) {
ciArrayKlass* expected_type = nullptr;
arraycopy_helper(x, &flags, &expected_type);
if (x->check_flag(Instruction::OmitChecksFlag)) {
flags = 0;
flags = (flags & LIR_OpArrayCopy::unaligned);
}

__ arraycopy(src.result(), src_pos.result(), dst.result(), dst_pos.result(), length.result(), tmp,
Expand Down
2 changes: 1 addition & 1 deletion src/hotspot/share/c1/c1_LIR.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -351,7 +351,7 @@ LIR_OpArrayCopy::LIR_OpArrayCopy(LIR_Opr src, LIR_Opr src_pos, LIR_Opr dst, LIR_
, _expected_type(expected_type)
, _flags(flags) {
#if defined(X86) || defined(AARCH64) || defined(S390) || defined(RISCV) || defined(PPC64)
if (expected_type != nullptr && flags == 0) {
if (expected_type != nullptr && ((flags & ~LIR_OpArrayCopy::unaligned) == 0)) {
_stub = nullptr;
} else {
_stub = new ArrayCopyStub(this);
Expand Down