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comparison src/cpu/ppc/vm/macroAssembler_ppc.cpp @ 17804:fd1b9f02cc91

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8036976: PPC64: implement the template interpreter Reviewed-by: kvn, coleenp Contributed-by: axel.siebenborn@sap.com, martin.doerr@sap.com
author goetz
date Mon, 10 Mar 2014 12:58:02 +0100
parents 31e80afe3fed
children 92aa6797d639 71a71b0bc844
comparison
equal deleted inserted replaced
17803:31e80afe3fed 17804:fd1b9f02cc91
2410 // TOP_IJAVA_FRAME_ABI. 2410 // TOP_IJAVA_FRAME_ABI.
2411 // FIXME: assert that we really have a TOP_IJAVA_FRAME here! 2411 // FIXME: assert that we really have a TOP_IJAVA_FRAME here!
2412 #ifdef CC_INTERP 2412 #ifdef CC_INTERP
2413 ld(tmp1/*pc*/, _top_ijava_frame_abi(frame_manager_lr), sp); 2413 ld(tmp1/*pc*/, _top_ijava_frame_abi(frame_manager_lr), sp);
2414 #else 2414 #else
2415 Unimplemented(); 2415 address entry = pc();
2416 load_const_optimized(tmp1, entry);
2416 #endif 2417 #endif
2417 2418
2418 set_last_Java_frame(/*sp=*/sp, /*pc=*/tmp1); 2419 set_last_Java_frame(/*sp=*/sp, /*pc=*/tmp1);
2419 } 2420 }
2420 2421
2467 if (UseCompressedClassPointers) { 2468 if (UseCompressedClassPointers) {
2468 encode_klass_not_null(ck, klass); 2469 encode_klass_not_null(ck, klass);
2469 stw(ck, oopDesc::klass_offset_in_bytes(), dst_oop); 2470 stw(ck, oopDesc::klass_offset_in_bytes(), dst_oop);
2470 } else { 2471 } else {
2471 std(klass, oopDesc::klass_offset_in_bytes(), dst_oop); 2472 std(klass, oopDesc::klass_offset_in_bytes(), dst_oop);
2473 }
2474 }
2475
2476 void MacroAssembler::store_klass_gap(Register dst_oop, Register val) {
2477 if (UseCompressedClassPointers) {
2478 if (val == noreg) {
2479 val = R0;
2480 li(val, 0);
2481 }
2482 stw(val, oopDesc::klass_gap_offset_in_bytes(), dst_oop); // klass gap if compressed
2472 } 2483 }
2473 } 2484 }
2474 2485
2475 int MacroAssembler::instr_size_for_decode_klass_not_null() { 2486 int MacroAssembler::instr_size_for_decode_klass_not_null() {
2476 if (!UseCompressedClassPointers) return 0; 2487 if (!UseCompressedClassPointers) return 0;
3141 } 3152 }
3142 BLOCK_COMMENT("} zap memory region"); 3153 BLOCK_COMMENT("} zap memory region");
3143 } 3154 }
3144 3155
3145 #endif // !PRODUCT 3156 #endif // !PRODUCT
3157
3158 SkipIfEqualZero::SkipIfEqualZero(MacroAssembler* masm, Register temp, const bool* flag_addr) : _masm(masm), _label() {
3159 int simm16_offset = masm->load_const_optimized(temp, (address)flag_addr, R0, true);
3160 assert(sizeof(bool) == 1, "PowerPC ABI");
3161 masm->lbz(temp, simm16_offset, temp);
3162 masm->cmpwi(CCR0, temp, 0);
3163 masm->beq(CCR0, _label);
3164 }
3165
3166 SkipIfEqualZero::~SkipIfEqualZero() {
3167 _masm->bind(_label);
3168 }