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8383485: [S390X] Add patching support for LIR_Assembler::leal

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Reviewed-by: mdoerr, amitkumar, aph
This commit is contained in:
Harshit 2026-05-08 09:32:26 +00:00 committed by Martin Doerr
parent e06eb8dcaa
commit 0fe720b444
1 changed files with 15 additions and 2 deletions
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17
src/hotspot/cpu/s390/c1_LIRAssembler_s390.cpp
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@ -2884,10 +2884,23 @@ void LIR_Assembler::on_spin_wait() {
}
void LIR_Assembler::leal(LIR_Opr addr_opr, LIR_Opr dest, LIR_PatchCode patch_code, CodeEmitInfo* info) {
assert(patch_code == lir_patch_none, "Patch code not supported");
assert(addr_opr->is_address(), "must be an address");
assert(dest->is_register(), "must be a register");
LIR_Address* addr = addr_opr->as_address_ptr();
Register reg = dest->as_pointer_register();
assert(addr->scale() == LIR_Address::times_1, "scaling unsupported");
__ load_address(dest->as_pointer_register(), as_Address(addr));
if (addr->index()->is_illegal() && patch_code != lir_patch_none) {
PatchingStub* patch = new PatchingStub(_masm, PatchingStub::access_field_id);
// TODO: Use load_const_32to64 here by extending NativeMovRegMem to support both instruction patterns.
__ load_const(Z_R0_scratch, (intptr_t)0);
__ z_agrk(reg, addr->base()->as_pointer_register(), Z_R0_scratch);
patching_epilog(patch, patch_code, addr->base()->as_register(), info);
} else {
__ load_address(reg, as_Address(addr));
}
}
void LIR_Assembler::get_thread(LIR_Opr result_reg) {