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src/hotspot/cpu/ppc/macroAssembler_ppc.cpp

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rev 49665 : 8201326: Renaming ThreadLocalAllocationBuffer end to current_end
Summary: Rename the TLAB end field to a better name
Contributed-by: jcbeyler@google.com
rev 49666 : [mq]: renaming2


2296 ) {
2297   b(slow_case);
2298 }
2299 
2300 void MacroAssembler::tlab_allocate(
2301   Register obj,                      // result: pointer to object after successful allocation
2302   Register var_size_in_bytes,        // object size in bytes if unknown at compile time; invalid otherwise
2303   int      con_size_in_bytes,        // object size in bytes if   known at compile time
2304   Register t1,                       // temp register
2305   Label&   slow_case                 // continuation point if fast allocation fails
2306 ) {
2307   // make sure arguments make sense
2308   assert_different_registers(obj, var_size_in_bytes, t1);
2309   assert(0 <= con_size_in_bytes && is_simm13(con_size_in_bytes), "illegal object size");
2310   assert((con_size_in_bytes & MinObjAlignmentInBytesMask) == 0, "object size is not multiple of alignment");
2311 
2312   const Register new_top = t1;
2313   //verify_tlab(); not implemented
2314 
2315   ld(obj, in_bytes(JavaThread::tlab_top_offset()), R16_thread);
2316   ld(R0, in_bytes(JavaThread::tlab_end_offset()), R16_thread);
2317   if (var_size_in_bytes == noreg) {
2318     addi(new_top, obj, con_size_in_bytes);
2319   } else {
2320     add(new_top, obj, var_size_in_bytes);
2321   }
2322   cmpld(CCR0, new_top, R0);
2323   bc_far_optimized(Assembler::bcondCRbiIs1, bi0(CCR0, Assembler::greater), slow_case);
2324 
2325 #ifdef ASSERT
2326   // make sure new free pointer is properly aligned
2327   {
2328     Label L;
2329     andi_(R0, new_top, MinObjAlignmentInBytesMask);
2330     beq(CCR0, L);
2331     stop("updated TLAB free is not properly aligned", 0x934);
2332     bind(L);
2333   }
2334 #endif // ASSERT
2335 
2336   // update the tlab top pointer




2296 ) {
2297   b(slow_case);
2298 }
2299 
2300 void MacroAssembler::tlab_allocate(
2301   Register obj,                      // result: pointer to object after successful allocation
2302   Register var_size_in_bytes,        // object size in bytes if unknown at compile time; invalid otherwise
2303   int      con_size_in_bytes,        // object size in bytes if   known at compile time
2304   Register t1,                       // temp register
2305   Label&   slow_case                 // continuation point if fast allocation fails
2306 ) {
2307   // make sure arguments make sense
2308   assert_different_registers(obj, var_size_in_bytes, t1);
2309   assert(0 <= con_size_in_bytes && is_simm13(con_size_in_bytes), "illegal object size");
2310   assert((con_size_in_bytes & MinObjAlignmentInBytesMask) == 0, "object size is not multiple of alignment");
2311 
2312   const Register new_top = t1;
2313   //verify_tlab(); not implemented
2314 
2315   ld(obj, in_bytes(JavaThread::tlab_top_offset()), R16_thread);
2316   ld(R0, in_bytes(JavaThread::tlab_fast_path_end_offset()), R16_thread);
2317   if (var_size_in_bytes == noreg) {
2318     addi(new_top, obj, con_size_in_bytes);
2319   } else {
2320     add(new_top, obj, var_size_in_bytes);
2321   }
2322   cmpld(CCR0, new_top, R0);
2323   bc_far_optimized(Assembler::bcondCRbiIs1, bi0(CCR0, Assembler::greater), slow_case);
2324 
2325 #ifdef ASSERT
2326   // make sure new free pointer is properly aligned
2327   {
2328     Label L;
2329     andi_(R0, new_top, MinObjAlignmentInBytesMask);
2330     beq(CCR0, L);
2331     stop("updated TLAB free is not properly aligned", 0x934);
2332     bind(L);
2333   }
2334 #endif // ASSERT
2335 
2336   // update the tlab top pointer
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