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8290137: riscv: small refactoring for add_memory_int32/64

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Reviewed-by: yadongwang, fjiang, shade
This commit is contained in:
Fei Yang 2022-07-18 13:01:35 +00:00
parent 87340fd540
commit 92067e2003
8 changed files with 87 additions and 47 deletions
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40
src/hotspot/cpu/riscv/macroAssembler_riscv.cpp
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@ -2955,19 +2955,47 @@ Address MacroAssembler::add_memory_helper(const Address dst) {
}
}
void MacroAssembler::add_memory_int64(const Address dst, int64_t imm) {
void MacroAssembler::increment(const Address dst, int64_t value) {
assert(((dst.getMode() == Address::base_plus_offset &&
is_offset_in_range(dst.offset(), 12)) || is_imm_in_range(value, 12, 0)),
"invalid value and address mode combination");
Address adr = add_memory_helper(dst);
assert_different_registers(adr.base(), t0);
assert(!adr.uses(t0), "invalid dst for address increment");
ld(t0, adr);
addi(t0, t0, imm);
add(t0, t0, value, t1);
sd(t0, adr);
}
void MacroAssembler::add_memory_int32(const Address dst, int32_t imm) {
void MacroAssembler::incrementw(const Address dst, int32_t value) {
assert(((dst.getMode() == Address::base_plus_offset &&
is_offset_in_range(dst.offset(), 12)) || is_imm_in_range(value, 12, 0)),
"invalid value and address mode combination");
Address adr = add_memory_helper(dst);
assert_different_registers(adr.base(), t0);
assert(!adr.uses(t0), "invalid dst for address increment");
lwu(t0, adr);
addiw(t0, t0, imm);
addw(t0, t0, value, t1);
sw(t0, adr);
}
void MacroAssembler::decrement(const Address dst, int64_t value) {
assert(((dst.getMode() == Address::base_plus_offset &&
is_offset_in_range(dst.offset(), 12)) || is_imm_in_range(value, 12, 0)),
"invalid value and address mode combination");
Address adr = add_memory_helper(dst);
assert(!adr.uses(t0), "invalid dst for address decrement");
ld(t0, adr);
sub(t0, t0, value, t1);
sd(t0, adr);
}
void MacroAssembler::decrementw(const Address dst, int32_t value) {
assert(((dst.getMode() == Address::base_plus_offset &&
is_offset_in_range(dst.offset(), 12)) || is_imm_in_range(value, 12, 0)),
"invalid value and address mode combination");
Address adr = add_memory_helper(dst);
assert(!adr.uses(t0), "invalid dst for address decrement");
lwu(t0, adr);
subw(t0, t0, value, t1);
sw(t0, adr);
}