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SPU: rewrite FSM/FSMH/FSMB instructions

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Remove lookup tables
This commit is contained in:
Nekotekina 2018-05-28 20:02:02 +03:00
parent 55e9d437a9
commit 759370ea1b
4 changed files with 53 additions and 54 deletions
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60
rpcs3/Emu/Cell/SPUASMJITRecompiler.cpp
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@ -2815,35 +2815,47 @@ void spu_recompiler::GBB(spu_opcode_t op)
void spu_recompiler::FSM(spu_opcode_t op)
{
const XmmLink& vr = XmmAlloc();
c->mov(*qw0, asmjit::imm_ptr((void*)g_spu_imm.fsm));
c->mov(*addr, SPU_OFF_32(gpr, op.ra, &v128::_u32, 3));
c->and_(*addr, 0xf);
c->shl(*addr, 4);
c->movdqa(vr, asmjit::x86::oword_ptr(*qw0, addr->r64()));
c->movdqa(SPU_OFF_128(gpr, op.rt), vr);
const XmmLink& va = XmmGet(op.ra, XmmType::Int);
const XmmLink& vm = XmmAlloc();
c->pshufd(va, va, 0xff);
c->movdqa(vm, XmmConst(_mm_set_epi32(8, 4, 2, 1)));
c->pand(va, vm);
c->pcmpeqd(va, vm);
c->movdqa(SPU_OFF_128(gpr, op.rt), va);
}
void spu_recompiler::FSMH(spu_opcode_t op)
{
const XmmLink& vr = XmmAlloc();
c->mov(*qw0, asmjit::imm_ptr((void*)g_spu_imm.fsmh));
c->mov(*addr, SPU_OFF_32(gpr, op.ra, &v128::_u32, 3));
c->and_(*addr, 0xff);
c->shl(*addr, 4);
c->movdqa(vr, asmjit::x86::oword_ptr(*qw0, addr->r64()));
c->movdqa(SPU_OFF_128(gpr, op.rt), vr);
const XmmLink& va = XmmGet(op.ra, XmmType::Int);
const XmmLink& vm = XmmAlloc();
c->punpckhwd(va, va);
c->pshufd(va, va, 0xaa);
c->movdqa(vm, XmmConst(_mm_set_epi16(128, 64, 32, 16, 8, 4, 2, 1)));
c->pand(va, vm);
c->pcmpeqw(va, vm);
c->movdqa(SPU_OFF_128(gpr, op.rt), va);
}
void spu_recompiler::FSMB(spu_opcode_t op)
{
const XmmLink& vr = XmmAlloc();
c->mov(*qw0, asmjit::imm_ptr((void*)g_spu_imm.fsmb));
c->mov(*addr, SPU_OFF_32(gpr, op.ra, &v128::_u32, 3));
c->and_(*addr, 0xffff);
c->shl(*addr, 4);
c->movdqa(vr, asmjit::x86::oword_ptr(*qw0, addr->r64()));
c->movdqa(SPU_OFF_128(gpr, op.rt), vr);
const XmmLink& va = XmmGet(op.ra, XmmType::Int);
const XmmLink& vm = XmmAlloc();
if (utils::has_ssse3())
{
c->pshufb(va, XmmConst(_mm_set_epi8(13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12)));
}
else
{
c->punpckhbw(va, va);
c->pshufhw(va, va, 0x50);
c->pshufd(va, va, 0xfa);
}
c->movdqa(vm, XmmConst(_mm_set_epi8(128, 64, 32, 16, 8, 4, 2, 1, 128, 64, 32, 16, 8, 4, 2, 1)));
c->pand(va, vm);
c->pcmpeqb(va, vm);
c->movdqa(SPU_OFF_128(gpr, op.rt), va);
}
void spu_recompiler::FREST(spu_opcode_t op)
@ -4268,8 +4280,12 @@ void spu_recompiler::BR(spu_opcode_t op)
void spu_recompiler::FSMBI(spu_opcode_t op)
{
v128 data;
for (u32 i = 0; i < 16; i++)
data._u8[i] = op.i16 & (1u << i) ? 0xff : 0;
const XmmLink& vr = XmmAlloc();
c->movdqa(vr, XmmConst(g_spu_imm.fsmb[op.i16]));
c->movdqa(vr, XmmConst(data));
c->movdqa(SPU_OFF_128(gpr, op.rt), vr);
}