unsigned denorm32:2;
unsigned denorm16_64:2;
};
+ struct {
+ uint8_t round:4;
+ uint8_t denorm:4;
+ };
uint8_t val = 0;
};
/* if false, optimizations which may remove infs/nan/-0.0 can be done */
constexpr bool operator==(PhysReg other) const { return reg_b == other.reg_b; }
constexpr bool operator!=(PhysReg other) const { return reg_b != other.reg_b; }
constexpr bool operator <(PhysReg other) const { return reg_b < other.reg_b; }
- constexpr PhysReg advance(unsigned bytes) const { PhysReg res = *this; res.reg_b += bytes; return res; }
+ constexpr PhysReg advance(int bytes) const { PhysReg res = *this; res.reg_b += bytes; return res; }
uint16_t reg_b = 0;
};
public:
constexpr Operand()
: reg_(PhysReg{128}), isTemp_(false), isFixed_(true), isConstant_(false),
- isKill_(false), isUndef_(true), isFirstKill_(false), is64BitConst_(false),
+ isKill_(false), isUndef_(true), isFirstKill_(false), constSize(0),
isLateKill_(false) {}
explicit Operand(Temp r) noexcept
setFixed(PhysReg{128});
}
};
+ explicit Operand(uint8_t v) noexcept
+ {
+ /* 8-bit constants are only used for copies and copies from any 8-bit
+ * constant can be implemented with a SDWA v_mul_u32_u24. So consider all
+ * to be inline constants. */
+ data_.i = v;
+ isConstant_ = true;
+ constSize = 0;
+ setFixed(PhysReg{0u});
+ };
+ explicit Operand(uint16_t v) noexcept
+ {
+ data_.i = v;
+ isConstant_ = true;
+ constSize = 1;
+ if (v <= 64)
+ setFixed(PhysReg{128u + v});
+ else if (v >= 0xFFF0) /* [-16 .. -1] */
+ setFixed(PhysReg{192u + (0xFFFF - v)});
+ else if (v == 0x3800) /* 0.5 */
+ setFixed(PhysReg{240});
+ else if (v == 0xB800) /* -0.5 */
+ setFixed(PhysReg{241});
+ else if (v == 0x3C00) /* 1.0 */
+ setFixed(PhysReg{242});
+ else if (v == 0xBC00) /* -1.0 */
+ setFixed(PhysReg{243});
+ else if (v == 0x4000) /* 2.0 */
+ setFixed(PhysReg{244});
+ else if (v == 0xC000) /* -2.0 */
+ setFixed(PhysReg{245});
+ else if (v == 0x4400) /* 4.0 */
+ setFixed(PhysReg{246});
+ else if (v == 0xC400) /* -4.0 */
+ setFixed(PhysReg{247});
+ else if (v == 0x3118) /* 1/2 PI */
+ setFixed(PhysReg{248});
+ else /* Literal Constant */
+ setFixed(PhysReg{255});
+ };
explicit Operand(uint32_t v, bool is64bit = false) noexcept
{
data_.i = v;
isConstant_ = true;
- is64BitConst_ = is64bit;
+ constSize = is64bit ? 3 : 2;
if (v <= 64)
setFixed(PhysReg{128 + v});
else if (v >= 0xFFFFFFF0) /* [-16 .. -1] */
explicit Operand(uint64_t v) noexcept
{
isConstant_ = true;
- is64BitConst_ = true;
+ constSize = 3;
if (v <= 64) {
data_.i = (uint32_t) v;
setFixed(PhysReg{128 + (uint32_t) v});
constexpr unsigned bytes() const noexcept
{
if (isConstant())
- return is64BitConst_ ? 8 : 4; //TODO: sub-dword constants
+ return 1 << constSize;
else
return data_.temp.bytes();
}
constexpr unsigned size() const noexcept
{
if (isConstant())
- return is64BitConst_ ? 2 : 1;
+ return constSize > 2 ? 2 : 1;
else
return data_.temp.size();
}
constexpr uint64_t constantValue64(bool signext=false) const noexcept
{
- if (is64BitConst_) {
+ if (constSize == 3) {
if (reg_ <= 192)
return reg_ - 128;
else if (reg_ <= 208)
case 247:
return 0xC010000000000000;
}
+ } else if (constSize == 1) {
+ return (signext && (data_.i & 0x8000u) ? 0xffffffffffff0000ull : 0ull) | data_.i;
+ } else if (constSize == 0) {
+ return (signext && (data_.i & 0x80u) ? 0xffffffffffffff00ull : 0ull) | data_.i;
}
return (signext && (data_.i & 0x80000000u) ? 0xffffffff00000000ull : 0ull) | data_.i;
}
+ constexpr bool isOfType(RegType type) const noexcept
+ {
+ return hasRegClass() && regClass().type() == type;
+ }
+
/* Indicates that the killed operand's live range intersects with the
* instruction's definitions. Unlike isKill() and isFirstKill(), this is
* not set by liveness analysis. */
uint8_t isKill_:1;
uint8_t isUndef_:1;
uint8_t isFirstKill_:1;
- uint8_t is64BitConst_:1;
+ uint8_t constSize:2;
uint8_t isLateKill_:1;
};
/* can't initialize bit-fields in c++11, so work around using a union */
- uint8_t control_ = 0;
+ uint16_t control_ = 0;
};
};
class Definition final
{
public:
- constexpr Definition() : temp(Temp(0, s1)), reg_(0), isFixed_(0), hasHint_(0), isKill_(0) {}
+ constexpr Definition() : temp(Temp(0, s1)), reg_(0), isFixed_(0), hasHint_(0), isKill_(0), isPrecise_(0) {}
Definition(uint32_t index, RegClass type) noexcept
: temp(index, type) {}
explicit Definition(Temp tmp) noexcept
return isKill_;
}
+ constexpr void setPrecise(bool precise) noexcept
+ {
+ isPrecise_ = precise;
+ }
+
+ constexpr bool isPrecise() const noexcept
+ {
+ return isPrecise_;
+ }
+
private:
Temp temp = Temp(0, s1);
PhysReg reg_;
uint8_t isFixed_:1;
uint8_t hasHint_:1;
uint8_t isKill_:1;
+ uint8_t isPrecise_:1;
};
/* can't initialize bit-fields in c++11, so work around using a union */
uint8_t control_ = 0;
}
barrier_interaction get_barrier_interaction(const Instruction* instr);
-
bool is_dead(const std::vector<uint16_t>& uses, Instruction *instr);
+bool can_use_opsel(chip_class chip, aco_opcode op, int idx, bool high);
+bool can_use_SDWA(chip_class chip, const aco_ptr<Instruction>& instr);
+/* updates "instr" and returns the old instruction (or NULL if no update was needed) */
+aco_ptr<Instruction> convert_to_SDWA(chip_class chip, aco_ptr<Instruction>& instr);
+
enum block_kind {
/* uniform indicates that leaving this block,
* all actives lanes stay active */
unsigned workgroup_size; /* if known; otherwise UINT_MAX */
bool xnack_enabled = false;
+ bool sram_ecc_enabled = false;
+ bool has_fast_fma32 = false;
bool needs_vcc = false;
bool needs_flat_scr = false;
const std::bitset<static_cast<int>(aco_opcode::num_opcodes)> is_atomic;
const char *name[static_cast<int>(aco_opcode::num_opcodes)];
const aco::Format format[static_cast<int>(aco_opcode::num_opcodes)];
+ /* sizes used for input/output modifiers and constants */
+ const unsigned operand_size[static_cast<int>(aco_opcode::num_opcodes)];
+ const unsigned definition_size[static_cast<int>(aco_opcode::num_opcodes)];
} Info;
extern const Info instr_info;
projects / mesa.git / blobdiff