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-rw-r--r--disas/libvixl/a64/assembler-a64.h451
1 files changed, 281 insertions, 170 deletions
diff --git a/disas/libvixl/a64/assembler-a64.h b/disas/libvixl/a64/assembler-a64.h
index 93b3011868..1e2947b283 100644
--- a/disas/libvixl/a64/assembler-a64.h
+++ b/disas/libvixl/a64/assembler-a64.h
@@ -38,6 +38,7 @@ namespace vixl {
typedef uint64_t RegList;
static const int kRegListSizeInBits = sizeof(RegList) * 8;
+
// Registers.
// Some CPURegister methods can return Register and FPRegister types, so we
@@ -58,62 +59,62 @@ class CPURegister {
};
CPURegister() : code_(0), size_(0), type_(kNoRegister) {
- ASSERT(!IsValid());
- ASSERT(IsNone());
+ VIXL_ASSERT(!IsValid());
+ VIXL_ASSERT(IsNone());
}
CPURegister(unsigned code, unsigned size, RegisterType type)
: code_(code), size_(size), type_(type) {
- ASSERT(IsValidOrNone());
+ VIXL_ASSERT(IsValidOrNone());
}
unsigned code() const {
- ASSERT(IsValid());
+ VIXL_ASSERT(IsValid());
return code_;
}
RegisterType type() const {
- ASSERT(IsValidOrNone());
+ VIXL_ASSERT(IsValidOrNone());
return type_;
}
RegList Bit() const {
- ASSERT(code_ < (sizeof(RegList) * 8));
+ VIXL_ASSERT(code_ < (sizeof(RegList) * 8));
return IsValid() ? (static_cast<RegList>(1) << code_) : 0;
}
unsigned size() const {
- ASSERT(IsValid());
+ VIXL_ASSERT(IsValid());
return size_;
}
int SizeInBytes() const {
- ASSERT(IsValid());
- ASSERT(size() % 8 == 0);
+ VIXL_ASSERT(IsValid());
+ VIXL_ASSERT(size() % 8 == 0);
return size_ / 8;
}
int SizeInBits() const {
- ASSERT(IsValid());
+ VIXL_ASSERT(IsValid());
return size_;
}
bool Is32Bits() const {
- ASSERT(IsValid());
+ VIXL_ASSERT(IsValid());
return size_ == 32;
}
bool Is64Bits() const {
- ASSERT(IsValid());
+ VIXL_ASSERT(IsValid());
return size_ == 64;
}
bool IsValid() const {
if (IsValidRegister() || IsValidFPRegister()) {
- ASSERT(!IsNone());
+ VIXL_ASSERT(!IsNone());
return true;
} else {
- ASSERT(IsNone());
+ VIXL_ASSERT(IsNone());
return false;
}
}
@@ -132,25 +133,29 @@ class CPURegister {
bool IsNone() const {
// kNoRegister types should always have size 0 and code 0.
- ASSERT((type_ != kNoRegister) || (code_ == 0));
- ASSERT((type_ != kNoRegister) || (size_ == 0));
+ VIXL_ASSERT((type_ != kNoRegister) || (code_ == 0));
+ VIXL_ASSERT((type_ != kNoRegister) || (size_ == 0));
return type_ == kNoRegister;
}
+ bool Aliases(const CPURegister& other) const {
+ VIXL_ASSERT(IsValidOrNone() && other.IsValidOrNone());
+ return (code_ == other.code_) && (type_ == other.type_);
+ }
+
bool Is(const CPURegister& other) const {
- ASSERT(IsValidOrNone() && other.IsValidOrNone());
- return (code_ == other.code_) && (size_ == other.size_) &&
- (type_ == other.type_);
+ VIXL_ASSERT(IsValidOrNone() && other.IsValidOrNone());
+ return Aliases(other) && (size_ == other.size_);
}
inline bool IsZero() const {
- ASSERT(IsValid());
+ VIXL_ASSERT(IsValid());
return IsRegister() && (code_ == kZeroRegCode);
}
inline bool IsSP() const {
- ASSERT(IsValid());
+ VIXL_ASSERT(IsValid());
return IsRegister() && (code_ == kSPRegInternalCode);
}
@@ -188,13 +193,13 @@ class Register : public CPURegister {
explicit Register() : CPURegister() {}
inline explicit Register(const CPURegister& other)
: CPURegister(other.code(), other.size(), other.type()) {
- ASSERT(IsValidRegister());
+ VIXL_ASSERT(IsValidRegister());
}
explicit Register(unsigned code, unsigned size)
: CPURegister(code, size, kRegister) {}
bool IsValid() const {
- ASSERT(IsRegister() || IsNone());
+ VIXL_ASSERT(IsRegister() || IsNone());
return IsValidRegister();
}
@@ -216,13 +221,13 @@ class FPRegister : public CPURegister {
inline FPRegister() : CPURegister() {}
inline explicit FPRegister(const CPURegister& other)
: CPURegister(other.code(), other.size(), other.type()) {
- ASSERT(IsValidFPRegister());
+ VIXL_ASSERT(IsValidFPRegister());
}
inline FPRegister(unsigned code, unsigned size)
: CPURegister(code, size, kFPRegister) {}
bool IsValid() const {
- ASSERT(IsFPRegister() || IsNone());
+ VIXL_ASSERT(IsFPRegister() || IsNone());
return IsValidFPRegister();
}
@@ -306,30 +311,30 @@ class CPURegList {
CPURegister reg4 = NoCPUReg)
: list_(reg1.Bit() | reg2.Bit() | reg3.Bit() | reg4.Bit()),
size_(reg1.size()), type_(reg1.type()) {
- ASSERT(AreSameSizeAndType(reg1, reg2, reg3, reg4));
- ASSERT(IsValid());
+ VIXL_ASSERT(AreSameSizeAndType(reg1, reg2, reg3, reg4));
+ VIXL_ASSERT(IsValid());
}
inline CPURegList(CPURegister::RegisterType type, unsigned size, RegList list)
: list_(list), size_(size), type_(type) {
- ASSERT(IsValid());
+ VIXL_ASSERT(IsValid());
}
inline CPURegList(CPURegister::RegisterType type, unsigned size,
unsigned first_reg, unsigned last_reg)
: size_(size), type_(type) {
- ASSERT(((type == CPURegister::kRegister) &&
- (last_reg < kNumberOfRegisters)) ||
- ((type == CPURegister::kFPRegister) &&
- (last_reg < kNumberOfFPRegisters)));
- ASSERT(last_reg >= first_reg);
- list_ = (1UL << (last_reg + 1)) - 1;
- list_ &= ~((1UL << first_reg) - 1);
- ASSERT(IsValid());
+ VIXL_ASSERT(((type == CPURegister::kRegister) &&
+ (last_reg < kNumberOfRegisters)) ||
+ ((type == CPURegister::kFPRegister) &&
+ (last_reg < kNumberOfFPRegisters)));
+ VIXL_ASSERT(last_reg >= first_reg);
+ list_ = (UINT64_C(1) << (last_reg + 1)) - 1;
+ list_ &= ~((UINT64_C(1) << first_reg) - 1);
+ VIXL_ASSERT(IsValid());
}
inline CPURegister::RegisterType type() const {
- ASSERT(IsValid());
+ VIXL_ASSERT(IsValid());
return type_;
}
@@ -337,9 +342,9 @@ class CPURegList {
// this list are left unchanged. The type and size of the registers in the
// 'other' list must match those in this list.
void Combine(const CPURegList& other) {
- ASSERT(IsValid());
- ASSERT(other.type() == type_);
- ASSERT(other.RegisterSizeInBits() == size_);
+ VIXL_ASSERT(IsValid());
+ VIXL_ASSERT(other.type() == type_);
+ VIXL_ASSERT(other.RegisterSizeInBits() == size_);
list_ |= other.list();
}
@@ -347,44 +352,49 @@ class CPURegList {
// do not exist in this list are ignored. The type and size of the registers
// in the 'other' list must match those in this list.
void Remove(const CPURegList& other) {
- ASSERT(IsValid());
- ASSERT(other.type() == type_);
- ASSERT(other.RegisterSizeInBits() == size_);
+ VIXL_ASSERT(IsValid());
+ VIXL_ASSERT(other.type() == type_);
+ VIXL_ASSERT(other.RegisterSizeInBits() == size_);
list_ &= ~other.list();
}
// Variants of Combine and Remove which take a single register.
inline void Combine(const CPURegister& other) {
- ASSERT(other.type() == type_);
- ASSERT(other.size() == size_);
+ VIXL_ASSERT(other.type() == type_);
+ VIXL_ASSERT(other.size() == size_);
Combine(other.code());
}
inline void Remove(const CPURegister& other) {
- ASSERT(other.type() == type_);
- ASSERT(other.size() == size_);
+ VIXL_ASSERT(other.type() == type_);
+ VIXL_ASSERT(other.size() == size_);
Remove(other.code());
}
// Variants of Combine and Remove which take a single register by its code;
// the type and size of the register is inferred from this list.
inline void Combine(int code) {
- ASSERT(IsValid());
- ASSERT(CPURegister(code, size_, type_).IsValid());
- list_ |= (1UL << code);
+ VIXL_ASSERT(IsValid());
+ VIXL_ASSERT(CPURegister(code, size_, type_).IsValid());
+ list_ |= (UINT64_C(1) << code);
}
inline void Remove(int code) {
- ASSERT(IsValid());
- ASSERT(CPURegister(code, size_, type_).IsValid());
- list_ &= ~(1UL << code);
+ VIXL_ASSERT(IsValid());
+ VIXL_ASSERT(CPURegister(code, size_, type_).IsValid());
+ list_ &= ~(UINT64_C(1) << code);
}
inline RegList list() const {
- ASSERT(IsValid());
+ VIXL_ASSERT(IsValid());
return list_;
}
+ inline void set_list(RegList new_list) {
+ VIXL_ASSERT(IsValid());
+ list_ = new_list;
+ }
+
// Remove all callee-saved registers from the list. This can be useful when
// preparing registers for an AAPCS64 function call, for example.
void RemoveCalleeSaved();
@@ -401,31 +411,41 @@ class CPURegList {
static CPURegList GetCallerSavedFP(unsigned size = kDRegSize);
inline bool IsEmpty() const {
- ASSERT(IsValid());
+ VIXL_ASSERT(IsValid());
return list_ == 0;
}
inline bool IncludesAliasOf(const CPURegister& other) const {
- ASSERT(IsValid());
- return (type_ == other.type()) && (other.Bit() & list_);
+ VIXL_ASSERT(IsValid());
+ return (type_ == other.type()) && ((other.Bit() & list_) != 0);
+ }
+
+ inline bool IncludesAliasOf(int code) const {
+ VIXL_ASSERT(IsValid());
+ return ((code & list_) != 0);
}
inline int Count() const {
- ASSERT(IsValid());
+ VIXL_ASSERT(IsValid());
return CountSetBits(list_, kRegListSizeInBits);
}
inline unsigned RegisterSizeInBits() const {
- ASSERT(IsValid());
+ VIXL_ASSERT(IsValid());
return size_;
}
inline unsigned RegisterSizeInBytes() const {
int size_in_bits = RegisterSizeInBits();
- ASSERT((size_in_bits % 8) == 0);
+ VIXL_ASSERT((size_in_bits % 8) == 0);
return size_in_bits / 8;
}
+ inline unsigned TotalSizeInBytes() const {
+ VIXL_ASSERT(IsValid());
+ return RegisterSizeInBytes() * Count();
+ }
+
private:
RegList list_;
unsigned size_;
@@ -471,33 +491,34 @@ class Operand {
bool IsImmediate() const;
bool IsShiftedRegister() const;
bool IsExtendedRegister() const;
+ bool IsZero() const;
// This returns an LSL shift (<= 4) operand as an equivalent extend operand,
// which helps in the encoding of instructions that use the stack pointer.
Operand ToExtendedRegister() const;
int64_t immediate() const {
- ASSERT(IsImmediate());
+ VIXL_ASSERT(IsImmediate());
return immediate_;
}
Register reg() const {
- ASSERT(IsShiftedRegister() || IsExtendedRegister());
+ VIXL_ASSERT(IsShiftedRegister() || IsExtendedRegister());
return reg_;
}
Shift shift() const {
- ASSERT(IsShiftedRegister());
+ VIXL_ASSERT(IsShiftedRegister());
return shift_;
}
Extend extend() const {
- ASSERT(IsExtendedRegister());
+ VIXL_ASSERT(IsExtendedRegister());
return extend_;
}
unsigned shift_amount() const {
- ASSERT(IsShiftedRegister() || IsExtendedRegister());
+ VIXL_ASSERT(IsShiftedRegister() || IsExtendedRegister());
return shift_amount_;
}
@@ -556,7 +577,7 @@ class Label {
Label() : is_bound_(false), link_(NULL), target_(NULL) {}
~Label() {
// If the label has been linked to, it needs to be bound to a target.
- ASSERT(!IsLinked() || IsBound());
+ VIXL_ASSERT(!IsLinked() || IsBound());
}
inline Instruction* link() const { return link_; }
@@ -643,7 +664,7 @@ class Assembler {
void bind(Label* label);
int UpdateAndGetByteOffsetTo(Label* label);
inline int UpdateAndGetInstructionOffsetTo(Label* label) {
- ASSERT(Label::kEndOfChain == 0);
+ VIXL_ASSERT(Label::kEndOfChain == 0);
return UpdateAndGetByteOffsetTo(label) >> kInstructionSizeLog2;
}
@@ -716,8 +737,12 @@ class Assembler {
// Add.
void add(const Register& rd,
const Register& rn,
- const Operand& operand,
- FlagsUpdate S = LeaveFlags);
+ const Operand& operand);
+
+ // Add and update status flags.
+ void adds(const Register& rd,
+ const Register& rn,
+ const Operand& operand);
// Compare negative.
void cmn(const Register& rn, const Operand& operand);
@@ -725,40 +750,62 @@ class Assembler {
// Subtract.
void sub(const Register& rd,
const Register& rn,
- const Operand& operand,
- FlagsUpdate S = LeaveFlags);
+ const Operand& operand);
+
+ // Subtract and update status flags.
+ void subs(const Register& rd,
+ const Register& rn,
+ const Operand& operand);
// Compare.
void cmp(const Register& rn, const Operand& operand);
// Negate.
void neg(const Register& rd,
- const Operand& operand,
- FlagsUpdate S = LeaveFlags);
+ const Operand& operand);
+
+ // Negate and update status flags.
+ void negs(const Register& rd,
+ const Operand& operand);
// Add with carry bit.
void adc(const Register& rd,
const Register& rn,
- const Operand& operand,
- FlagsUpdate S = LeaveFlags);
+ const Operand& operand);
+
+ // Add with carry bit and update status flags.
+ void adcs(const Register& rd,
+ const Register& rn,
+ const Operand& operand);
// Subtract with carry bit.
void sbc(const Register& rd,
const Register& rn,
- const Operand& operand,
- FlagsUpdate S = LeaveFlags);
+ const Operand& operand);
+
+ // Subtract with carry bit and update status flags.
+ void sbcs(const Register& rd,
+ const Register& rn,
+ const Operand& operand);
// Negate with carry bit.
void ngc(const Register& rd,
- const Operand& operand,
- FlagsUpdate S = LeaveFlags);
+ const Operand& operand);
+
+ // Negate with carry bit and update status flags.
+ void ngcs(const Register& rd,
+ const Operand& operand);
// Logical instructions.
// Bitwise and (A & B).
void and_(const Register& rd,
const Register& rn,
- const Operand& operand,
- FlagsUpdate S = LeaveFlags);
+ const Operand& operand);
+
+ // Bitwise and (A & B) and update status flags.
+ void ands(const Register& rd,
+ const Register& rn,
+ const Operand& operand);
// Bit test and set flags.
void tst(const Register& rn, const Operand& operand);
@@ -766,8 +813,12 @@ class Assembler {
// Bit clear (A & ~B).
void bic(const Register& rd,
const Register& rn,
- const Operand& operand,
- FlagsUpdate S = LeaveFlags);
+ const Operand& operand);
+
+ // Bit clear (A & ~B) and update status flags.
+ void bics(const Register& rd,
+ const Register& rn,
+ const Operand& operand);
// Bitwise or (A | B).
void orr(const Register& rd, const Register& rn, const Operand& operand);
@@ -818,8 +869,8 @@ class Assembler {
const Register& rn,
unsigned lsb,
unsigned width) {
- ASSERT(width >= 1);
- ASSERT(lsb + width <= rn.size());
+ VIXL_ASSERT(width >= 1);
+ VIXL_ASSERT(lsb + width <= rn.size());
bfm(rd, rn, (rd.size() - lsb) & (rd.size() - 1), width - 1);
}
@@ -828,15 +879,15 @@ class Assembler {
const Register& rn,
unsigned lsb,
unsigned width) {
- ASSERT(width >= 1);
- ASSERT(lsb + width <= rn.size());
+ VIXL_ASSERT(width >= 1);
+ VIXL_ASSERT(lsb + width <= rn.size());
bfm(rd, rn, lsb, lsb + width - 1);
}
// Sbfm aliases.
// Arithmetic shift right.
inline void asr(const Register& rd, const Register& rn, unsigned shift) {
- ASSERT(shift < rd.size());
+ VIXL_ASSERT(shift < rd.size());
sbfm(rd, rn, shift, rd.size() - 1);
}
@@ -845,8 +896,8 @@ class Assembler {
const Register& rn,
unsigned lsb,
unsigned width) {
- ASSERT(width >= 1);
- ASSERT(lsb + width <= rn.size());
+ VIXL_ASSERT(width >= 1);
+ VIXL_ASSERT(lsb + width <= rn.size());
sbfm(rd, rn, (rd.size() - lsb) & (rd.size() - 1), width - 1);
}
@@ -855,8 +906,8 @@ class Assembler {
const Register& rn,
unsigned lsb,
unsigned width) {
- ASSERT(width >= 1);
- ASSERT(lsb + width <= rn.size());
+ VIXL_ASSERT(width >= 1);
+ VIXL_ASSERT(lsb + width <= rn.size());
sbfm(rd, rn, lsb, lsb + width - 1);
}
@@ -879,13 +930,13 @@ class Assembler {
// Logical shift left.
inline void lsl(const Register& rd, const Register& rn, unsigned shift) {
unsigned reg_size = rd.size();
- ASSERT(shift < reg_size);
+ VIXL_ASSERT(shift < reg_size);
ubfm(rd, rn, (reg_size - shift) % reg_size, reg_size - shift - 1);
}
// Logical shift right.
inline void lsr(const Register& rd, const Register& rn, unsigned shift) {
- ASSERT(shift < rd.size());
+ VIXL_ASSERT(shift < rd.size());
ubfm(rd, rn, shift, rd.size() - 1);
}
@@ -894,8 +945,8 @@ class Assembler {
const Register& rn,
unsigned lsb,
unsigned width) {
- ASSERT(width >= 1);
- ASSERT(lsb + width <= rn.size());
+ VIXL_ASSERT(width >= 1);
+ VIXL_ASSERT(lsb + width <= rn.size());
ubfm(rd, rn, (rd.size() - lsb) & (rd.size() - 1), width - 1);
}
@@ -904,8 +955,8 @@ class Assembler {
const Register& rn,
unsigned lsb,
unsigned width) {
- ASSERT(width >= 1);
- ASSERT(lsb + width <= rn.size());
+ VIXL_ASSERT(width >= 1);
+ VIXL_ASSERT(lsb + width <= rn.size());
ubfm(rd, rn, lsb, lsb + width - 1);
}
@@ -1109,9 +1160,12 @@ class Assembler {
// Load literal to register.
void ldr(const Register& rt, uint64_t imm);
- // Load literal to FP register.
+ // Load double precision floating point literal to FP register.
void ldr(const FPRegister& ft, double imm);
+ // Load single precision floating point literal to FP register.
+ void ldr(const FPRegister& ft, float imm);
+
// Move instructions. The default shift of -1 indicates that the move
// instruction will calculate an appropriate 16-bit immediate and left shift
// that is equal to the 64-bit immediate argument. If an explicit left shift
@@ -1160,6 +1214,15 @@ class Assembler {
// System hint.
void hint(SystemHint code);
+ // Data memory barrier.
+ void dmb(BarrierDomain domain, BarrierType type);
+
+ // Data synchronization barrier.
+ void dsb(BarrierDomain domain, BarrierType type);
+
+ // Instruction synchronization barrier.
+ void isb();
+
// Alias for system instructions.
// No-op.
void nop() {
@@ -1167,17 +1230,20 @@ class Assembler {
}
// FP instructions.
- // Move immediate to FP register.
- void fmov(FPRegister fd, double imm);
+ // Move double precision immediate to FP register.
+ void fmov(const FPRegister& fd, double imm);
+
+ // Move single precision immediate to FP register.
+ void fmov(const FPRegister& fd, float imm);
// Move FP register to register.
- void fmov(Register rd, FPRegister fn);
+ void fmov(const Register& rd, const FPRegister& fn);
// Move register to FP register.
- void fmov(FPRegister fd, Register rn);
+ void fmov(const FPRegister& fd, const Register& rn);
// Move FP register to FP register.
- void fmov(FPRegister fd, FPRegister fn);
+ void fmov(const FPRegister& fd, const FPRegister& fn);
// FP add.
void fadd(const FPRegister& fd, const FPRegister& fn, const FPRegister& fm);
@@ -1188,12 +1254,30 @@ class Assembler {
// FP multiply.
void fmul(const FPRegister& fd, const FPRegister& fn, const FPRegister& fm);
- // FP multiply and subtract.
+ // FP fused multiply and add.
+ void fmadd(const FPRegister& fd,
+ const FPRegister& fn,
+ const FPRegister& fm,
+ const FPRegister& fa);
+
+ // FP fused multiply and subtract.
void fmsub(const FPRegister& fd,
const FPRegister& fn,
const FPRegister& fm,
const FPRegister& fa);
+ // FP fused multiply, add and negate.
+ void fnmadd(const FPRegister& fd,
+ const FPRegister& fn,
+ const FPRegister& fm,
+ const FPRegister& fa);
+
+ // FP fused multiply, subtract and negate.
+ void fnmsub(const FPRegister& fd,
+ const FPRegister& fn,
+ const FPRegister& fm,
+ const FPRegister& fa);
+
// FP divide.
void fdiv(const FPRegister& fd, const FPRegister& fn, const FPRegister& fm);
@@ -1203,6 +1287,12 @@ class Assembler {
// FP minimum.
void fmin(const FPRegister& fd, const FPRegister& fn, const FPRegister& fm);
+ // FP maximum number.
+ void fmaxnm(const FPRegister& fd, const FPRegister& fn, const FPRegister& fm);
+
+ // FP minimum number.
+ void fminnm(const FPRegister& fd, const FPRegister& fn, const FPRegister& fm);
+
// FP absolute.
void fabs(const FPRegister& fd, const FPRegister& fn);
@@ -1212,6 +1302,12 @@ class Assembler {
// FP square root.
void fsqrt(const FPRegister& fd, const FPRegister& fn);
+ // FP round to integer (nearest with ties to away).
+ void frinta(const FPRegister& fd, const FPRegister& fn);
+
+ // FP round to integer (toward minus infinity).
+ void frintm(const FPRegister& fd, const FPRegister& fn);
+
// FP round to integer (nearest with ties to even).
void frintn(const FPRegister& fd, const FPRegister& fn);
@@ -1244,24 +1340,30 @@ class Assembler {
// FP convert between single and double precision.
void fcvt(const FPRegister& fd, const FPRegister& fn);
- // Convert FP to unsigned integer (round towards -infinity).
- void fcvtmu(const Register& rd, const FPRegister& fn);
+ // Convert FP to signed integer (nearest with ties to away).
+ void fcvtas(const Register& rd, const FPRegister& fn);
+
+ // Convert FP to unsigned integer (nearest with ties to away).
+ void fcvtau(const Register& rd, const FPRegister& fn);
// Convert FP to signed integer (round towards -infinity).
void fcvtms(const Register& rd, const FPRegister& fn);
- // Convert FP to unsigned integer (nearest with ties to even).
- void fcvtnu(const Register& rd, const FPRegister& fn);
+ // Convert FP to unsigned integer (round towards -infinity).
+ void fcvtmu(const Register& rd, const FPRegister& fn);
// Convert FP to signed integer (nearest with ties to even).
void fcvtns(const Register& rd, const FPRegister& fn);
- // Convert FP to unsigned integer (round towards zero).
- void fcvtzu(const Register& rd, const FPRegister& fn);
+ // Convert FP to unsigned integer (nearest with ties to even).
+ void fcvtnu(const Register& rd, const FPRegister& fn);
// Convert FP to signed integer (round towards zero).
void fcvtzs(const Register& rd, const FPRegister& fn);
+ // Convert FP to unsigned integer (round towards zero).
+ void fcvtzu(const Register& rd, const FPRegister& fn);
+
// Convert signed integer or fixed point to FP.
void scvtf(const FPRegister& fd, const Register& rn, unsigned fbits = 0);
@@ -1282,14 +1384,14 @@ class Assembler {
// character. The instruction pointer (pc_) is then aligned correctly for
// subsequent instructions.
void EmitStringData(const char * string) {
- ASSERT(string != NULL);
+ VIXL_ASSERT(string != NULL);
size_t len = strlen(string) + 1;
EmitData(string, len);
// Pad with NULL characters until pc_ is aligned.
const char pad[] = {'\0', '\0', '\0', '\0'};
- ASSERT(sizeof(pad) == kInstructionSize);
+ VIXL_STATIC_ASSERT(sizeof(pad) == kInstructionSize);
Instruction* next_pc = AlignUp(pc_, kInstructionSize);
EmitData(&pad, next_pc - pc_);
}
@@ -1298,44 +1400,44 @@ class Assembler {
// Register encoding.
static Instr Rd(CPURegister rd) {
- ASSERT(rd.code() != kSPRegInternalCode);
+ VIXL_ASSERT(rd.code() != kSPRegInternalCode);
return rd.code() << Rd_offset;
}
static Instr Rn(CPURegister rn) {
- ASSERT(rn.code() != kSPRegInternalCode);
+ VIXL_ASSERT(rn.code() != kSPRegInternalCode);
return rn.code() << Rn_offset;
}
static Instr Rm(CPURegister rm) {
- ASSERT(rm.code() != kSPRegInternalCode);
+ VIXL_ASSERT(rm.code() != kSPRegInternalCode);
return rm.code() << Rm_offset;
}
static Instr Ra(CPURegister ra) {
- ASSERT(ra.code() != kSPRegInternalCode);
+ VIXL_ASSERT(ra.code() != kSPRegInternalCode);
return ra.code() << Ra_offset;
}
static Instr Rt(CPURegister rt) {
- ASSERT(rt.code() != kSPRegInternalCode);
+ VIXL_ASSERT(rt.code() != kSPRegInternalCode);
return rt.code() << Rt_offset;
}
static Instr Rt2(CPURegister rt2) {
- ASSERT(rt2.code() != kSPRegInternalCode);
+ VIXL_ASSERT(rt2.code() != kSPRegInternalCode);
return rt2.code() << Rt2_offset;
}
// These encoding functions allow the stack pointer to be encoded, and
// disallow the zero register.
static Instr RdSP(Register rd) {
- ASSERT(!rd.IsZero());
+ VIXL_ASSERT(!rd.IsZero());
return (rd.code() & kRegCodeMask) << Rd_offset;
}
static Instr RnSP(Register rn) {
- ASSERT(!rn.IsZero());
+ VIXL_ASSERT(!rn.IsZero());
return (rn.code() & kRegCodeMask) << Rn_offset;
}
@@ -1346,7 +1448,7 @@ class Assembler {
} else if (S == LeaveFlags) {
return 0 << FlagsUpdate_offset;
}
- UNREACHABLE();
+ VIXL_UNREACHABLE();
return 0;
}
@@ -1356,7 +1458,7 @@ class Assembler {
// PC-relative address encoding.
static Instr ImmPCRelAddress(int imm21) {
- ASSERT(is_int21(imm21));
+ VIXL_ASSERT(is_int21(imm21));
Instr imm = static_cast<Instr>(truncate_to_int21(imm21));
Instr immhi = (imm >> ImmPCRelLo_width) << ImmPCRelHi_offset;
Instr immlo = imm << ImmPCRelLo_offset;
@@ -1365,27 +1467,27 @@ class Assembler {
// Branch encoding.
static Instr ImmUncondBranch(int imm26) {
- ASSERT(is_int26(imm26));
+ VIXL_ASSERT(is_int26(imm26));
return truncate_to_int26(imm26) << ImmUncondBranch_offset;
}
static Instr ImmCondBranch(int imm19) {
- ASSERT(is_int19(imm19));
+ VIXL_ASSERT(is_int19(imm19));
return truncate_to_int19(imm19) << ImmCondBranch_offset;
}
static Instr ImmCmpBranch(int imm19) {
- ASSERT(is_int19(imm19));
+ VIXL_ASSERT(is_int19(imm19));
return truncate_to_int19(imm19) << ImmCmpBranch_offset;
}
static Instr ImmTestBranch(int imm14) {
- ASSERT(is_int14(imm14));
+ VIXL_ASSERT(is_int14(imm14));
return truncate_to_int14(imm14) << ImmTestBranch_offset;
}
static Instr ImmTestBranchBit(unsigned bit_pos) {
- ASSERT(is_uint6(bit_pos));
+ VIXL_ASSERT(is_uint6(bit_pos));
// Subtract five from the shift offset, as we need bit 5 from bit_pos.
unsigned b5 = bit_pos << (ImmTestBranchBit5_offset - 5);
unsigned b40 = bit_pos << ImmTestBranchBit40_offset;
@@ -1400,7 +1502,7 @@ class Assembler {
}
static Instr ImmAddSub(int64_t imm) {
- ASSERT(IsImmAddSub(imm));
+ VIXL_ASSERT(IsImmAddSub(imm));
if (is_uint12(imm)) { // No shift required.
return imm << ImmAddSub_offset;
} else {
@@ -1409,55 +1511,55 @@ class Assembler {
}
static inline Instr ImmS(unsigned imms, unsigned reg_size) {
- ASSERT(((reg_size == kXRegSize) && is_uint6(imms)) ||
+ VIXL_ASSERT(((reg_size == kXRegSize) && is_uint6(imms)) ||
((reg_size == kWRegSize) && is_uint5(imms)));
USE(reg_size);
return imms << ImmS_offset;
}
static inline Instr ImmR(unsigned immr, unsigned reg_size) {
- ASSERT(((reg_size == kXRegSize) && is_uint6(immr)) ||
+ VIXL_ASSERT(((reg_size == kXRegSize) && is_uint6(immr)) ||
((reg_size == kWRegSize) && is_uint5(immr)));
USE(reg_size);
- ASSERT(is_uint6(immr));
+ VIXL_ASSERT(is_uint6(immr));
return immr << ImmR_offset;
}
static inline Instr ImmSetBits(unsigned imms, unsigned reg_size) {
- ASSERT((reg_size == kWRegSize) || (reg_size == kXRegSize));
- ASSERT(is_uint6(imms));
- ASSERT((reg_size == kXRegSize) || is_uint6(imms + 3));
+ VIXL_ASSERT((reg_size == kWRegSize) || (reg_size == kXRegSize));
+ VIXL_ASSERT(is_uint6(imms));
+ VIXL_ASSERT((reg_size == kXRegSize) || is_uint6(imms + 3));
USE(reg_size);
return imms << ImmSetBits_offset;
}
static inline Instr ImmRotate(unsigned immr, unsigned reg_size) {
- ASSERT((reg_size == kWRegSize) || (reg_size == kXRegSize));
- ASSERT(((reg_size == kXRegSize) && is_uint6(immr)) ||
+ VIXL_ASSERT((reg_size == kWRegSize) || (reg_size == kXRegSize));
+ VIXL_ASSERT(((reg_size == kXRegSize) && is_uint6(immr)) ||
((reg_size == kWRegSize) && is_uint5(immr)));
USE(reg_size);
return immr << ImmRotate_offset;
}
static inline Instr ImmLLiteral(int imm19) {
- ASSERT(is_int19(imm19));
+ VIXL_ASSERT(is_int19(imm19));
return truncate_to_int19(imm19) << ImmLLiteral_offset;
}
static inline Instr BitN(unsigned bitn, unsigned reg_size) {
- ASSERT((reg_size == kWRegSize) || (reg_size == kXRegSize));
- ASSERT((reg_size == kXRegSize) || (bitn == 0));
+ VIXL_ASSERT((reg_size == kWRegSize) || (reg_size == kXRegSize));
+ VIXL_ASSERT((reg_size == kXRegSize) || (bitn == 0));
USE(reg_size);
return bitn << BitN_offset;
}
static Instr ShiftDP(Shift shift) {
- ASSERT(shift == LSL || shift == LSR || shift == ASR || shift == ROR);
+ VIXL_ASSERT(shift == LSL || shift == LSR || shift == ASR || shift == ROR);
return shift << ShiftDP_offset;
}
static Instr ImmDPShift(unsigned amount) {
- ASSERT(is_uint6(amount));
+ VIXL_ASSERT(is_uint6(amount));
return amount << ImmDPShift_offset;
}
@@ -1466,12 +1568,12 @@ class Assembler {
}
static Instr ImmExtendShift(unsigned left_shift) {
- ASSERT(left_shift <= 4);
+ VIXL_ASSERT(left_shift <= 4);
return left_shift << ImmExtendShift_offset;
}
static Instr ImmCondCmp(unsigned imm) {
- ASSERT(is_uint5(imm));
+ VIXL_ASSERT(is_uint5(imm));
return imm << ImmCondCmp_offset;
}
@@ -1481,55 +1583,65 @@ class Assembler {
// MemOperand offset encoding.
static Instr ImmLSUnsigned(int imm12) {
- ASSERT(is_uint12(imm12));
+ VIXL_ASSERT(is_uint12(imm12));
return imm12 << ImmLSUnsigned_offset;
}
static Instr ImmLS(int imm9) {
- ASSERT(is_int9(imm9));
+ VIXL_ASSERT(is_int9(imm9));
return truncate_to_int9(imm9) << ImmLS_offset;
}
static Instr ImmLSPair(int imm7, LSDataSize size) {
- ASSERT(((imm7 >> size) << size) == imm7);
+ VIXL_ASSERT(((imm7 >> size) << size) == imm7);
int scaled_imm7 = imm7 >> size;
- ASSERT(is_int7(scaled_imm7));
+ VIXL_ASSERT(is_int7(scaled_imm7));
return truncate_to_int7(scaled_imm7) << ImmLSPair_offset;
}
static Instr ImmShiftLS(unsigned shift_amount) {
- ASSERT(is_uint1(shift_amount));
+ VIXL_ASSERT(is_uint1(shift_amount));
return shift_amount << ImmShiftLS_offset;
}
static Instr ImmException(int imm16) {
- ASSERT(is_uint16(imm16));
+ VIXL_ASSERT(is_uint16(imm16));
return imm16 << ImmException_offset;
}
static Instr ImmSystemRegister(int imm15) {
- ASSERT(is_uint15(imm15));
+ VIXL_ASSERT(is_uint15(imm15));
return imm15 << ImmSystemRegister_offset;
}
static Instr ImmHint(int imm7) {
- ASSERT(is_uint7(imm7));
+ VIXL_ASSERT(is_uint7(imm7));
return imm7 << ImmHint_offset;
}
+ static Instr ImmBarrierDomain(int imm2) {
+ VIXL_ASSERT(is_uint2(imm2));
+ return imm2 << ImmBarrierDomain_offset;
+ }
+
+ static Instr ImmBarrierType(int imm2) {
+ VIXL_ASSERT(is_uint2(imm2));
+ return imm2 << ImmBarrierType_offset;
+ }
+
static LSDataSize CalcLSDataSize(LoadStoreOp op) {
- ASSERT((SizeLS_offset + SizeLS_width) == (kInstructionSize * 8));
+ VIXL_ASSERT((SizeLS_offset + SizeLS_width) == (kInstructionSize * 8));
return static_cast<LSDataSize>(op >> SizeLS_offset);
}
// Move immediates encoding.
static Instr ImmMoveWide(uint64_t imm) {
- ASSERT(is_uint16(imm));
+ VIXL_ASSERT(is_uint16(imm));
return imm << ImmMoveWide_offset;
}
static Instr ShiftMoveWide(int64_t shift) {
- ASSERT(is_uint2(shift));
+ VIXL_ASSERT(is_uint2(shift));
return shift << ShiftMoveWide_offset;
}
@@ -1543,20 +1655,20 @@ class Assembler {
}
static Instr FPScale(unsigned scale) {
- ASSERT(is_uint6(scale));
+ VIXL_ASSERT(is_uint6(scale));
return scale << FPScale_offset;
}
// Size of the code generated in bytes
uint64_t SizeOfCodeGenerated() const {
- ASSERT((pc_ >= buffer_) && (pc_ < (buffer_ + buffer_size_)));
+ VIXL_ASSERT((pc_ >= buffer_) && (pc_ < (buffer_ + buffer_size_)));
return pc_ - buffer_;
}
// Size of the code generated since label to the current position.
uint64_t SizeOfCodeGeneratedSince(Label* label) const {
- ASSERT(label->IsBound());
- ASSERT((pc_ >= label->target()) && (pc_ < (buffer_ + buffer_size_)));
+ VIXL_ASSERT(label->IsBound());
+ VIXL_ASSERT((pc_ >= label->target()) && (pc_ < (buffer_ + buffer_size_)));
return pc_ - label->target();
}
@@ -1568,7 +1680,7 @@ class Assembler {
inline void ReleaseLiteralPool() {
if (--literal_pool_monitor_ == 0) {
// Has the literal pool been blocked for too long?
- ASSERT(literals_.empty() ||
+ VIXL_ASSERT(literals_.empty() ||
(pc_ < (literals_.back()->pc_ + kMaxLoadLiteralRange)));
}
}
@@ -1622,6 +1734,9 @@ class Assembler {
FlagsUpdate S,
AddSubWithCarryOp op);
+ static bool IsImmFP32(float imm);
+ static bool IsImmFP64(double imm);
+
// Functions for emulating operands not directly supported by the instruction
// set.
void EmitShift(const Register& rd,
@@ -1706,17 +1821,13 @@ class Assembler {
const FPRegister& fa,
FPDataProcessing3SourceOp op);
- // Encoding helpers.
- static bool IsImmFP32(float imm);
- static bool IsImmFP64(double imm);
-
void RecordLiteral(int64_t imm, unsigned size);
// Emit the instruction at pc_.
void Emit(Instr instruction) {
- ASSERT(sizeof(*pc_) == 1);
- ASSERT(sizeof(instruction) == kInstructionSize);
- ASSERT((pc_ + sizeof(instruction)) <= (buffer_ + buffer_size_));
+ VIXL_STATIC_ASSERT(sizeof(*pc_) == 1);
+ VIXL_STATIC_ASSERT(sizeof(instruction) == kInstructionSize);
+ VIXL_ASSERT((pc_ + sizeof(instruction)) <= (buffer_ + buffer_size_));
#ifdef DEBUG
finalized_ = false;
@@ -1729,8 +1840,8 @@ class Assembler {
// Emit data inline in the instruction stream.
void EmitData(void const * data, unsigned size) {
- ASSERT(sizeof(*pc_) == 1);
- ASSERT((pc_ + size) <= (buffer_ + buffer_size_));
+ VIXL_STATIC_ASSERT(sizeof(*pc_) == 1);
+ VIXL_ASSERT((pc_ + size) <= (buffer_ + buffer_size_));
#ifdef DEBUG
finalized_ = false;
@@ -1744,7 +1855,7 @@ class Assembler {
}
inline void CheckBufferSpace() {
- ASSERT(pc_ < (buffer_ + buffer_size_));
+ VIXL_ASSERT(pc_ < (buffer_ + buffer_size_));
if (pc_ > next_literal_pool_check_) {
CheckLiteralPool();
}
generated by cgit v1.2.1 (git 2.18.0) at 2024-07-08 14:43:19 +0000