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s390x: implement LoadEntryFromBuiltin and EntryFromBuiltinAsOperand

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Change-Id: I0f42cf86182782b5357d905bfdef1874f6efb909
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3437406
Reviewed-by: Milad Farazmand <mfarazma@redhat.com>
Commit-Queue: Junliang Yan <junyan@redhat.com>
Cr-Commit-Position: refs/heads/main@{#78928}
This commit is contained in:
Junliang Yan 2022-02-03 11:05:17 -05:00 committed by V8 LUCI CQ
parent 3e5f800083
commit 4365a70df2
2 changed files with 15 additions and 0 deletions
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13
src/codegen/s390/macro-assembler-s390.cc
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@ -4732,6 +4732,19 @@ void TurboAssembler::CallBuiltinByIndex(Register builtin_index) {
Call(builtin_index);
}
void TurboAssembler::LoadEntryFromBuiltin(Builtin builtin,
Register destination) {
ASM_CODE_COMMENT(this);
LoadU64(destination, EntryFromBuiltinAsOperand(builtin));
}
MemOperand TurboAssembler::EntryFromBuiltinAsOperand(Builtin builtin) {
ASM_CODE_COMMENT(this);
DCHECK(root_array_available());
return MemOperand(kRootRegister,
IsolateData::BuiltinEntrySlotOffset(builtin));
}
void TurboAssembler::LoadCodeObjectEntry(Register destination,
Register code_object) {
// Code objects are called differently depending on whether we are generating

2
src/codegen/s390/macro-assembler-s390.h
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@ -124,6 +124,8 @@ class V8_EXPORT_PRIVATE TurboAssembler : public TurboAssemblerBase {
// Load the builtin given by the Smi in |builtin_index| into the same
// register.
void LoadEntryFromBuiltinIndex(Register builtin_index);
void LoadEntryFromBuiltin(Builtin builtin, Register destination);
MemOperand EntryFromBuiltinAsOperand(Builtin builtin);
void LoadCodeObjectEntry(Register destination, Register code_object);
void CallCodeObject(Register code_object);
void JumpCodeObject(Register code_object,