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8184162: Support addresses with index operands in LIRAssembler::leal on SPARC

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Support was added for C1 leal on addresses with an index operand on SPARC.

Reviewed-by: kvn, roland
This commit is contained in:
Erik Österlund 2017-07-12 11:59:51 +02:00
parent 53dee26ab9
commit b84db08380
1 changed files with 18 additions and 5 deletions
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23
hotspot/src/cpu/sparc/vm/c1_LIRAssembler_sparc.cpp
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@ -3189,16 +3189,29 @@ void LIR_Assembler::unpack64(LIR_Opr src, LIR_Opr dst) {
__ srl (rs, 0, rd->successor());
}
void LIR_Assembler::leal(LIR_Opr addr_opr, LIR_Opr dest) {
LIR_Address* addr = addr_opr->as_address_ptr();
assert(addr->index()->is_illegal() && addr->scale() == LIR_Address::times_1, "can't handle complex addresses yet");
const LIR_Address* addr = addr_opr->as_address_ptr();
assert(addr->scale() == LIR_Address::times_1, "can't handle complex addresses yet");
const Register dest_reg = dest->as_pointer_register();
const Register base_reg = addr->base()->as_pointer_register();
if (Assembler::is_simm13(addr->disp())) {
__ add(addr->base()->as_pointer_register(), addr->disp(), dest->as_pointer_register());
if (addr->index()->is_valid()) {
const Register index_reg = addr->index()->as_pointer_register();
assert(index_reg != G3_scratch, "invariant");
__ add(base_reg, addr->disp(), G3_scratch);
__ add(index_reg, G3_scratch, dest_reg);
} else {
__ add(base_reg, addr->disp(), dest_reg);
}
} else {
__ set(addr->disp(), G3_scratch);
__ add(addr->base()->as_pointer_register(), G3_scratch, dest->as_pointer_register());
if (addr->index()->is_valid()) {
const Register index_reg = addr->index()->as_pointer_register();
assert(index_reg != G3_scratch, "invariant");
__ add(index_reg, G3_scratch, G3_scratch);
}
__ add(base_reg, G3_scratch, dest_reg);
}
}