8184162: Support addresses with index operands in LIRAssembler::leal on SPARC
Summary: Support was added for C1 leal on addresses with an index operand on SPARC.
Reviewed-by: kvn, roland
--- a/hotspot/src/cpu/sparc/vm/c1_LIRAssembler_sparc.cpp Wed Jul 12 09:49:05 2017 +0200
+++ b/hotspot/src/cpu/sparc/vm/c1_LIRAssembler_sparc.cpp Wed Jul 12 11:59:51 2017 +0200
@@ -3189,16 +3189,29 @@
__ 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);
}
}