3395 int size = MIN2(16,(int)MaxVectorSize);
3396 // Minimum 2 values in vector
3397 if (size < 2*type2aelembytes(bt)) size = 0;
3398 // But never < 4
3399 if (size < 4) size = 0;
3400 return size;
3401 }
3402
3403 // Limits on vector size (number of elements) loaded into vector.
3404 const int Matcher::max_vector_size(const BasicType bt) {
3405 return vector_width_in_bytes(bt)/type2aelembytes(bt);
3406 }
3407 const int Matcher::min_vector_size(const BasicType bt) {
3408 // For the moment limit the vector size to 8 bytes
3409 int size = 8 / type2aelembytes(bt);
3410 if (size < 2) size = 2;
3411 return size;
3412 }
3413
3414 // Vector ideal reg.
3415 const int Matcher::vector_ideal_reg(int len) {
3416 switch(len) {
3417 case 8: return Op_VecD;
3418 case 16: return Op_VecX;
3419 }
3420 ShouldNotReachHere();
3421 return 0;
3422 }
3423
3424 const int Matcher::vector_shift_count_ideal_reg(int size) {
3425 return Op_VecX;
3426 }
3427
3428 // AES support not yet implemented
3429 const bool Matcher::pass_original_key_for_aes() {
3430 return false;
3431 }
3432
3433 // x86 supports misaligned vectors store/load.
3434 const bool Matcher::misaligned_vectors_ok() {
3435 return !AlignVector; // can be changed by flag
3436 }
3437
3438 // false => size gets scaled to BytesPerLong, ok.
3439 const bool Matcher::init_array_count_is_in_bytes = false;
3440
3441 // Use conditional move (CMOVL)
3442 const int Matcher::long_cmove_cost() {
3443 // long cmoves are no more expensive than int cmoves
3444 return 0;
3445 }
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3395 int size = MIN2(16,(int)MaxVectorSize);
3396 // Minimum 2 values in vector
3397 if (size < 2*type2aelembytes(bt)) size = 0;
3398 // But never < 4
3399 if (size < 4) size = 0;
3400 return size;
3401 }
3402
3403 // Limits on vector size (number of elements) loaded into vector.
3404 const int Matcher::max_vector_size(const BasicType bt) {
3405 return vector_width_in_bytes(bt)/type2aelembytes(bt);
3406 }
3407 const int Matcher::min_vector_size(const BasicType bt) {
3408 // For the moment limit the vector size to 8 bytes
3409 int size = 8 / type2aelembytes(bt);
3410 if (size < 2) size = 2;
3411 return size;
3412 }
3413
3414 // Vector ideal reg.
3415 const Opcodes Matcher::vector_ideal_reg(int len) {
3416 switch(len) {
3417 case 8: return Opcodes::Op_VecD;
3418 case 16: return Opcodes::Op_VecX;
3419 }
3420 ShouldNotReachHere();
3421 return 0;
3422 }
3423
3424 const Opcodes Matcher::vector_shift_count_ideal_reg(int size) {
3425 return Opcodes::Op_VecX;
3426 }
3427
3428 // AES support not yet implemented
3429 const bool Matcher::pass_original_key_for_aes() {
3430 return false;
3431 }
3432
3433 // x86 supports misaligned vectors store/load.
3434 const bool Matcher::misaligned_vectors_ok() {
3435 return !AlignVector; // can be changed by flag
3436 }
3437
3438 // false => size gets scaled to BytesPerLong, ok.
3439 const bool Matcher::init_array_count_is_in_bytes = false;
3440
3441 // Use conditional move (CMOVL)
3442 const int Matcher::long_cmove_cost() {
3443 // long cmoves are no more expensive than int cmoves
3444 return 0;
3445 }
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