--- old/src/cpu/sparc/vm/nativeInst_sparc.hpp 2014-06-02 11:28:32.851515271 -0700 +++ new/src/cpu/sparc/vm/nativeInst_sparc.hpp 2014-06-02 11:28:32.771516275 -0700 @@ -38,7 +38,6 @@ // - - NativeMovConstReg // - - NativeMovConstRegPatching // - - NativeMovRegMem -// - - NativeMovRegMemPatching // - - NativeJump // - - NativeGeneralJump // - - NativeIllegalInstruction @@ -705,96 +704,6 @@ #ifdef ASSERT test->verify(); #endif - return test; - } -}; - - -// An interface for accessing/manipulating native memory ops -// ld* [reg + offset], reg -// st* reg, [reg + offset] -// sethi %hi(imm), reg; nop; add reg, %lo(imm), reg; ld* [reg1 + reg], reg2 -// sethi %hi(imm), reg; nop; add reg, %lo(imm), reg; st* reg2, [reg1 + reg] -// Ops covered: {lds,ldu,st}{w,b,h}, {ld,st}{d,x} -// -// Note that it is identical to NativeMovRegMem with the exception of a nop between the -// sethi and the add. The nop is required to be in the delay slot of the call instruction -// which overwrites the sethi during patching. -class NativeMovRegMemPatching; -inline NativeMovRegMemPatching* nativeMovRegMemPatching_at (address address); -class NativeMovRegMemPatching: public NativeInstruction { - public: - enum Sparc_specific_constants { - op3_mask_ld = 1 << Assembler::lduw_op3 | - 1 << Assembler::ldub_op3 | - 1 << Assembler::lduh_op3 | - 1 << Assembler::ldd_op3 | - 1 << Assembler::ldsw_op3 | - 1 << Assembler::ldsb_op3 | - 1 << Assembler::ldsh_op3 | - 1 << Assembler::ldx_op3, - op3_mask_st = 1 << Assembler::stw_op3 | - 1 << Assembler::stb_op3 | - 1 << Assembler::sth_op3 | - 1 << Assembler::std_op3 | - 1 << Assembler::stx_op3, - op3_ldst_int_limit = Assembler::ldf_op3, - op3_mask_ldf = 1 << (Assembler::ldf_op3 - op3_ldst_int_limit) | - 1 << (Assembler::lddf_op3 - op3_ldst_int_limit), - op3_mask_stf = 1 << (Assembler::stf_op3 - op3_ldst_int_limit) | - 1 << (Assembler::stdf_op3 - op3_ldst_int_limit), - - offset_width = 13, - sethi_offset = 0, -#ifdef _LP64 - nop_offset = 7 * BytesPerInstWord, -#else - nop_offset = 4, -#endif - add_offset = nop_offset + BytesPerInstWord, - ldst_offset = add_offset + BytesPerInstWord - }; - bool is_immediate() const { - // check if instruction is ld* [reg + offset], reg or st* reg, [reg + offset] - int i0 = long_at(0); - return (is_op(i0, Assembler::ldst_op)); - } - - address instruction_address() const { return addr_at(0); } - address next_instruction_address() const { - return addr_at(is_immediate()? 4 : 16); - } - int offset() const { - return is_immediate()? inv_simm(long_at(0), offset_width) : - nativeMovConstRegPatching_at(addr_at(0))->data(); - } - void set_offset(int x) { - if (is_immediate()) { - guarantee(fits_in_simm(x, offset_width), "data block offset overflow"); - set_long_at(0, set_simm(long_at(0), x, offset_width)); - } - else - nativeMovConstRegPatching_at(addr_at(0))->set_data(x); - } - - void add_offset_in_bytes(intptr_t radd_offset) { - set_offset (offset() + radd_offset); - } - - void copy_instruction_to(address new_instruction_address); - - void verify(); - void print (); - - // unit test stuff - static void test(); - - private: - friend inline NativeMovRegMemPatching* nativeMovRegMemPatching_at (address address) { - NativeMovRegMemPatching* test = (NativeMovRegMemPatching*)address; - #ifdef ASSERT - test->verify(); - #endif return test; } };