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SPU: reorder some instructions for better throughput

This commit is contained in:
Nekotekina 2017-12-16 03:20:04 +03:00
parent 6d34dcd75f
commit d3198ddf60
1 changed files with 17 additions and 24 deletions
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41
rpcs3/Emu/Cell/SPUASMJITRecompiler.cpp
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@ -2031,17 +2031,15 @@ void spu_recompiler::FCGT(spu_opcode_t op)
c->pandn(tmp1, SPU_OFF_128(gpr, op.rb));
c->orps(tmp1, tmpv);
//flush a to 0 if denormalized
//flush to 0 if denormalized
c->pxor(tmpv, tmpv);
c->movaps(tmp2, SPU_OFF_128(gpr, op.ra));
c->andps(tmp2, all_exp_bits);
c->cmpps(tmp2, tmpv, 0);
c->pandn(tmp2, tmp0);
//flush b to 0 if denormalized
c->movaps(tmp3, SPU_OFF_128(gpr, op.rb));
c->andps(tmp2, all_exp_bits);
c->andps(tmp3, all_exp_bits);
c->cmpps(tmp2, tmpv, 0);
c->cmpps(tmp3, tmpv, 0);
c->pandn(tmp2, tmp0);
c->pandn(tmp3, tmp1);
c->cmpps(tmp3, tmp2, 1);
@ -2160,17 +2158,15 @@ void spu_recompiler::FCMGT(spu_opcode_t op)
c->cmpps(tmp0, SPU_OFF_128(gpr, op.ra), 3); //tmp0 is true if a is extended (nan/inf)
c->cmpps(tmp1, SPU_OFF_128(gpr, op.rb), 3); //tmp1 is true if b is extended (nan/inf)
//flush a to 0 if denormalized
//flush to 0 if denormalized
c->pxor(tmpv, tmpv);
c->movaps(tmp2, SPU_OFF_128(gpr, op.ra));
c->andps(tmp2, all_exp_bits);
c->cmpps(tmp2, tmpv, 0);
c->pandn(tmp2, SPU_OFF_128(gpr, op.ra));
//flush b to 0 if denormalized
c->movaps(tmp3, SPU_OFF_128(gpr, op.rb));
c->andps(tmp2, all_exp_bits);
c->andps(tmp3, all_exp_bits);
c->cmpps(tmp2, tmpv, 0);
c->cmpps(tmp3, tmpv, 0);
c->pandn(tmp2, SPU_OFF_128(gpr, op.ra));
c->pandn(tmp3, SPU_OFF_128(gpr, op.rb));
//Set tmp1 to true where a is extended but b is not extended
@ -3355,13 +3351,12 @@ void spu_recompiler::FNMS(spu_opcode_t op)
const XmmLink& tmp_b = XmmAlloc();
c->movaps(tmp_a, SPU_OFF_128(gpr, op.ra));
c->andps(tmp_a, mask);
c->cmpps(tmp_a, mask, 4); //tmp_a = ra == extended
c->andps(tmp_a, SPU_OFF_128(gpr, op.ra)); //tmp_a = mask_a & ~ra_extended
c->movaps(tmp_b, SPU_OFF_128(gpr, op.rb));
c->andps(tmp_a, mask);
c->andps(tmp_b, mask);
c->cmpps(tmp_a, mask, 4); //tmp_a = ra == extended
c->cmpps(tmp_b, mask, 4); //tmp_b = rb == extended
c->andps(tmp_a, SPU_OFF_128(gpr, op.ra)); //tmp_a = mask_a & ~ra_extended
c->andps(tmp_b, SPU_OFF_128(gpr, op.rb)); //tmp_b = mask_b & ~rb_extended
c->mulps(tmp_a, tmp_b);
@ -3376,13 +3371,12 @@ void spu_recompiler::FMA(spu_opcode_t op)
const XmmLink& tmp_b = XmmAlloc();
c->movaps(tmp_a, SPU_OFF_128(gpr, op.ra));
c->andps(tmp_a, mask);
c->cmpps(tmp_a, mask, 4); //tmp_a = ra == extended
c->andps(tmp_a, SPU_OFF_128(gpr, op.ra)); //tmp_a = mask_a & ~ra_extended
c->movaps(tmp_b, SPU_OFF_128(gpr, op.rb));
c->andps(tmp_a, mask);
c->andps(tmp_b, mask);
c->cmpps(tmp_a, mask, 4); //tmp_a = ra == extended
c->cmpps(tmp_b, mask, 4); //tmp_b = rb == extended
c->andps(tmp_a, SPU_OFF_128(gpr, op.ra)); //tmp_a = mask_a & ~ra_extended
c->andps(tmp_b, SPU_OFF_128(gpr, op.rb)); //tmp_b = mask_b & ~rb_extended
c->mulps(tmp_a, tmp_b);
@ -3397,13 +3391,12 @@ void spu_recompiler::FMS(spu_opcode_t op)
const XmmLink& tmp_b = XmmAlloc();
c->movaps(tmp_a, SPU_OFF_128(gpr, op.ra));
c->andps(tmp_a, mask);
c->cmpps(tmp_a, mask, 4); //tmp_a = ra == extended
c->andps(tmp_a, SPU_OFF_128(gpr, op.ra)); //tmp_a = mask_a & ~ra_extended
c->movaps(tmp_b, SPU_OFF_128(gpr, op.rb));
c->andps(tmp_a, mask);
c->andps(tmp_b, mask);
c->cmpps(tmp_a, mask, 4); //tmp_a = ra == extended
c->cmpps(tmp_b, mask, 4); //tmp_b = rb == extended
c->andps(tmp_a, SPU_OFF_128(gpr, op.ra)); //tmp_a = mask_a & ~ra_extended
c->andps(tmp_b, SPU_OFF_128(gpr, op.rb)); //tmp_b = mask_b & ~rb_extended
c->mulps(tmp_a, tmp_b);