diff options
Diffstat (limited to 'src/arm/assembler-arm.h')
| -rw-r--r-- | src/arm/assembler-arm.h | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/src/arm/assembler-arm.h b/src/arm/assembler-arm.h index de3931c2..ee4c9aa5 100644 --- a/src/arm/assembler-arm.h +++ b/src/arm/assembler-arm.h @@ -219,6 +219,11 @@ const DwVfpRegister d13 = { 13 }; const DwVfpRegister d14 = { 14 }; const DwVfpRegister d15 = { 15 }; +// VFP FPSCR constants. +static const uint32_t kVFPExceptionMask = 0xf; +static const uint32_t kVFPRoundingModeMask = 3 << 22; +static const uint32_t kVFPFlushToZeroMask = 1 << 24; +static const uint32_t kVFPRoundToMinusInfinityBits = 2 << 22; // Coprocessor register struct CRegister { @@ -1074,7 +1079,22 @@ class Assembler : public Malloced { const Condition cond = al); // Pseudo instructions - void nop(int type = 0); + + // Different nop operations are used by the code generator to detect certain + // states of the generated code. + enum NopMarkerTypes { + NON_MARKING_NOP = 0, + DEBUG_BREAK_NOP, + // IC markers. + PROPERTY_ACCESS_INLINED, + PROPERTY_ACCESS_INLINED_CONTEXT, + PROPERTY_ACCESS_INLINED_CONTEXT_DONT_DELETE, + // Helper values. + LAST_CODE_MARKER, + FIRST_IC_MARKER = PROPERTY_ACCESS_INLINED + }; + + void nop(int type = 0); // 0 is the default non-marking type. void push(Register src, Condition cond = al) { str(src, MemOperand(sp, 4, NegPreIndex), cond); @@ -1146,7 +1166,6 @@ class Assembler : public Malloced { static void instr_at_put(byte* pc, Instr instr) { *reinterpret_cast<Instr*>(pc) = instr; } - static bool IsNop(Instr instr, int type = 0); static bool IsBranch(Instr instr); static int GetBranchOffset(Instr instr); static bool IsLdrRegisterImmediate(Instr instr); @@ -1163,6 +1182,8 @@ class Assembler : public Malloced { static bool IsLdrRegFpOffset(Instr instr); static bool IsStrRegFpNegOffset(Instr instr); static bool IsLdrRegFpNegOffset(Instr instr); + static bool IsLdrPcImmediateOffset(Instr instr); + static bool IsNop(Instr instr, int type = NON_MARKING_NOP); protected: |