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[a64] Implement `OPCODE_MEMSET`

This commit is contained in:
Wunkolo 2024-05-06 12:59:30 -07:00
parent 4f5c640f3c
commit 8836eb2892
1 changed files with 14 additions and 15 deletions
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29
src/xenia/cpu/backend/a64/a64_seq_memory.cc
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@ -1116,23 +1116,22 @@ struct MEMSET_I64_I8_I64
assert_true(i.src2.is_constant);
assert_true(i.src3.is_constant);
assert_true(i.src2.constant() == 0);
// e.vpxor(e.xmm0, e.xmm0);
e.EOR(Q0.B16(), Q0.B16(), Q0.B16());
auto addr_reg = ComputeMemoryAddress(e, i.src1);
switch (i.src3.constant()) {
case 32:
// e.vmovaps(e.ptr[addr + 0 * 16], e.xmm0);
// e.vmovaps(e.ptr[addr + 1 * 16], e.xmm0);
e.STR(Q0, addr_reg, 0 * 16);
e.STR(Q0, addr_reg, 1 * 16);
break;
case 128:
// e.vmovaps(e.ptr[addr + 0 * 16], e.xmm0);
// e.vmovaps(e.ptr[addr + 1 * 16], e.xmm0);
// e.vmovaps(e.ptr[addr + 2 * 16], e.xmm0);
// e.vmovaps(e.ptr[addr + 3 * 16], e.xmm0);
// e.vmovaps(e.ptr[addr + 4 * 16], e.xmm0);
// e.vmovaps(e.ptr[addr + 5 * 16], e.xmm0);
// e.vmovaps(e.ptr[addr + 6 * 16], e.xmm0);
// e.vmovaps(e.ptr[addr + 7 * 16], e.xmm0);
e.STR(Q0, addr_reg, 0 * 16);
e.STR(Q0, addr_reg, 1 * 16);
e.STR(Q0, addr_reg, 2 * 16);
e.STR(Q0, addr_reg, 3 * 16);
e.STR(Q0, addr_reg, 4 * 16);
e.STR(Q0, addr_reg, 5 * 16);
e.STR(Q0, addr_reg, 6 * 16);
e.STR(Q0, addr_reg, 7 * 16);
break;
default:
assert_unhandled_case(i.src3.constant());
@ -1140,10 +1139,10 @@ struct MEMSET_I64_I8_I64
}
if (IsTracingData()) {
addr_reg = ComputeMemoryAddress(e, i.src1);
// e.mov(e.GetNativeParam(2), i.src3.constant());
// e.mov(e.GetNativeParam(1), i.src2.constant());
// e.lea(e.GetNativeParam(0), e.ptr[addr]);
// e.CallNative(reinterpret_cast<void*>(TraceMemset));
e.MOV(e.GetNativeParam(2), i.src3.constant());
e.MOV(e.GetNativeParam(1), i.src2.constant());
e.LDR(e.GetNativeParam(0), addr_reg);
e.CallNative(reinterpret_cast<void*>(TraceMemset));
}
}
};