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comparison src/cpu/sparc/vm/assembler_sparc.cpp @ 2029:6ce496c8fc07

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Merge
author coleenp
date Thu, 16 Dec 2010 09:31:55 -0500
parents 2f644f85485d
children 7737fa7ec2b5 b1a2afa37ec4
comparison
equal deleted inserted replaced
2028:450ece4d8a10 2029:6ce496c8fc07
907 mov(L4, G4); // restore G4 907 mov(L4, G4); // restore G4
908 mov(L5, G5_method); // restore G5_method 908 mov(L5, G5_method); // restore G5_method
909 #if defined(COMPILER2) && !defined(_LP64) 909 #if defined(COMPILER2) && !defined(_LP64)
910 // Save & restore possible 64-bit Long arguments in G-regs 910 // Save & restore possible 64-bit Long arguments in G-regs
911 sllx(L0,32,G2); // Move old high G1 bits high in G2 911 sllx(L0,32,G2); // Move old high G1 bits high in G2
912 sllx(G1, 0,G1); // Clear current high G1 bits 912 srl(G1, 0,G1); // Clear current high G1 bits
913 or3 (G1,G2,G1); // Recover 64-bit G1 913 or3 (G1,G2,G1); // Recover 64-bit G1
914 sllx(L6,32,G2); // Move old high G4 bits high in G2 914 sllx(L6,32,G2); // Move old high G4 bits high in G2
915 sllx(G4, 0,G4); // Clear current high G4 bits 915 srl(G4, 0,G4); // Clear current high G4 bits
916 or3 (G4,G2,G4); // Recover 64-bit G4 916 or3 (G4,G2,G4); // Recover 64-bit G4
917 #endif 917 #endif
918 restore(O0, 0, G2_thread); 918 restore(O0, 0, G2_thread);
919 } 919 }
920 } 920 }
1439 if (low10(lo) != 0) 1439 if (low10(lo) != 0)
1440 or3 ( d, low10(lo), d); 1440 or3 ( d, low10(lo), d);
1441 sllx(tmp, 32, tmp); 1441 sllx(tmp, 32, tmp);
1442 or3 (d, tmp, d); 1442 or3 (d, tmp, d);
1443 } 1443 }
1444 }
1445
1446 int MacroAssembler::size_of_set64(jlong value) {
1447 v9_dep();
1448
1449 int hi = (int)(value >> 32);
1450 int lo = (int)(value & ~0);
1451 int count = 0;
1452
1453 // (Matcher::isSimpleConstant64 knows about the following optimizations.)
1454 if (Assembler::is_simm13(lo) && value == lo) {
1455 count++;
1456 } else if (hi == 0) {
1457 count++;
1458 if (low10(lo) != 0)
1459 count++;
1460 }
1461 else if (hi == -1) {
1462 count += 2;
1463 }
1464 else if (lo == 0) {
1465 if (Assembler::is_simm13(hi)) {
1466 count++;
1467 } else {
1468 count++;
1469 if (low10(hi) != 0)
1470 count++;
1471 }
1472 count++;
1473 }
1474 else {
1475 count += 2;
1476 if (low10(hi) != 0)
1477 count++;
1478 if (low10(lo) != 0)
1479 count++;
1480 count += 2;
1481 }
1482 return count;
1444 } 1483 }
1445 1484
1446 // compute size in bytes of sparc frame, given 1485 // compute size in bytes of sparc frame, given
1447 // number of extraWords 1486 // number of extraWords
1448 int MacroAssembler::total_frame_size_in_bytes(int extraWords) { 1487 int MacroAssembler::total_frame_size_in_bytes(int extraWords) {