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deps: V8: cherry-pick 9861ce1deae2

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Original commit message:

    PPC: pass a scratch reg when using register_location

    Change-Id: I43e4a4cadc60e958d6c9d80e725a49a3e36d8ba9
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3797832
    Reviewed-by: Junliang Yan <junyan@redhat.com>
    Commit-Queue: Milad Farazmand <mfarazma@redhat.com>
    Cr-Commit-Position: refs/heads/main@{#82146}

Fixes: https://github.com/nodejs/node/issues/44055
PR-URL: https://github.com/nodejs/node/pull/44115
Refs: 9861ce1dea
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Michael Dawson <midawson@redhat.com>
This commit is contained in:
Milad Fa 2022-08-03 09:21:52 -04:00 committed by Richard Lau
parent b697160256
commit 90c758c59e
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GPG Key ID: C43CEC45C17AB93C
2 changed files with 3 additions and 3 deletions
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2
common.gypi
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@ -36,7 +36,7 @@
# Reset this number to 0 on major V8 upgrades.
# Increment by one for each non-official patch applied to deps/v8.
'v8_embedder_string': '-node.10',
'v8_embedder_string': '-node.11',
##### V8 defaults for Node.js #####

4
deps/v8/src/regexp/ppc/regexp-macro-assembler-ppc.cc vendored
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@ -1139,7 +1139,7 @@ void RegExpMacroAssemblerPPC::WriteStackPointerToRegister(int reg) {
__ mov(r4, Operand(ref));
__ LoadU64(r4, MemOperand(r4));
__ SubS64(r3, backtrack_stackpointer(), r4);
__ StoreU64(r3, register_location(reg));
__ StoreU64(r3, register_location(reg), r0);
}
void RegExpMacroAssemblerPPC::ReadStackPointerFromRegister(int reg) {
@ -1147,7 +1147,7 @@ void RegExpMacroAssemblerPPC::ReadStackPointerFromRegister(int reg) {
ExternalReference::address_of_regexp_stack_memory_top_address(isolate());
__ mov(r3, Operand(ref));
__ LoadU64(r3, MemOperand(r3));
__ LoadU64(backtrack_stackpointer(), register_location(reg));
__ LoadU64(backtrack_stackpointer(), register_location(reg), r0);
__ AddS64(backtrack_stackpointer(), backtrack_stackpointer(), r3);
}