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comparison src/cpu/x86/vm/x86_64.ad @ 4762:069ab3f976d3

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7118863: Move sizeof(klassOopDesc) into the *Klass::*_offset_in_bytes() functions Summary: Moved sizeof(klassOopDesc), changed the return type to ByteSize and removed the _in_bytes suffix. Reviewed-by: never, bdelsart, coleenp, jrose
author stefank
date Wed, 07 Dec 2011 11:35:03 +0100
parents 65149e74c706
children 1dc233a8c7fe
comparison
equal deleted inserted replaced
4761:65149e74c706 4762:069ab3f976d3
11303 %{ 11303 %{
11304 match(Set result (PartialSubtypeCheck sub super)); 11304 match(Set result (PartialSubtypeCheck sub super));
11305 effect(KILL rcx, KILL cr); 11305 effect(KILL rcx, KILL cr);
11306 11306
11307 ins_cost(1100); // slightly larger than the next version 11307 ins_cost(1100); // slightly larger than the next version
11308 format %{ "movq rdi, [$sub + (sizeof(oopDesc) + Klass::secondary_supers_offset_in_bytes())]\n\t" 11308 format %{ "movq rdi, [$sub + in_bytes(Klass::secondary_supers_offset())]\n\t"
11309 "movl rcx, [rdi + arrayOopDesc::length_offset_in_bytes()]\t# length to scan\n\t" 11309 "movl rcx, [rdi + arrayOopDesc::length_offset_in_bytes()]\t# length to scan\n\t"
11310 "addq rdi, arrayOopDex::base_offset_in_bytes(T_OBJECT)\t# Skip to start of data; set NZ in case count is zero\n\t" 11310 "addq rdi, arrayOopDex::base_offset_in_bytes(T_OBJECT)\t# Skip to start of data; set NZ in case count is zero\n\t"
11311 "repne scasq\t# Scan *rdi++ for a match with rax while rcx--\n\t" 11311 "repne scasq\t# Scan *rdi++ for a match with rax while rcx--\n\t"
11312 "jne,s miss\t\t# Missed: rdi not-zero\n\t" 11312 "jne,s miss\t\t# Missed: rdi not-zero\n\t"
11313 "movq [$sub + (sizeof(oopDesc) + Klass::secondary_super_cache_offset_in_bytes())], $super\t# Hit: update cache\n\t" 11313 "movq [$sub + in_bytes(Klass::secondary_super_cache_offset())], $super\t# Hit: update cache\n\t"
11314 "xorq $result, $result\t\t Hit: rdi zero\n\t" 11314 "xorq $result, $result\t\t Hit: rdi zero\n\t"
11315 "miss:\t" %} 11315 "miss:\t" %}
11316 11316
11317 opcode(0x1); // Force a XOR of RDI 11317 opcode(0x1); // Force a XOR of RDI
11318 ins_encode(enc_PartialSubtypeCheck()); 11318 ins_encode(enc_PartialSubtypeCheck());
11326 %{ 11326 %{
11327 match(Set cr (CmpP (PartialSubtypeCheck sub super) zero)); 11327 match(Set cr (CmpP (PartialSubtypeCheck sub super) zero));
11328 effect(KILL rcx, KILL result); 11328 effect(KILL rcx, KILL result);
11329 11329
11330 ins_cost(1000); 11330 ins_cost(1000);
11331 format %{ "movq rdi, [$sub + (sizeof(oopDesc) + Klass::secondary_supers_offset_in_bytes())]\n\t" 11331 format %{ "movq rdi, [$sub + in_bytes(Klass::secondary_supers_offset())]\n\t"
11332 "movl rcx, [rdi + arrayOopDesc::length_offset_in_bytes()]\t# length to scan\n\t" 11332 "movl rcx, [rdi + arrayOopDesc::length_offset_in_bytes()]\t# length to scan\n\t"
11333 "addq rdi, arrayOopDex::base_offset_in_bytes(T_OBJECT)\t# Skip to start of data; set NZ in case count is zero\n\t" 11333 "addq rdi, arrayOopDex::base_offset_in_bytes(T_OBJECT)\t# Skip to start of data; set NZ in case count is zero\n\t"
11334 "repne scasq\t# Scan *rdi++ for a match with rax while cx-- != 0\n\t" 11334 "repne scasq\t# Scan *rdi++ for a match with rax while cx-- != 0\n\t"
11335 "jne,s miss\t\t# Missed: flags nz\n\t" 11335 "jne,s miss\t\t# Missed: flags nz\n\t"
11336 "movq [$sub + (sizeof(oopDesc) + Klass::secondary_super_cache_offset_in_bytes())], $super\t# Hit: update cache\n\t" 11336 "movq [$sub + in_bytes(Klass::secondary_super_cache_offset())], $super\t# Hit: update cache\n\t"
11337 "miss:\t" %} 11337 "miss:\t" %}
11338 11338
11339 opcode(0x0); // No need to XOR RDI 11339 opcode(0x0); // No need to XOR RDI
11340 ins_encode(enc_PartialSubtypeCheck()); 11340 ins_encode(enc_PartialSubtypeCheck());
11341 ins_pipe(pipe_slow); 11341 ins_pipe(pipe_slow);