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comparison src/cpu/x86/vm/c1_LIRAssembler_x86.cpp @ 2479:15c9a0e16269

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7035713: 3DNow Prefetch Instruction Support Summary: The upcoming processors from AMD are the first that support 3dnow prefetch without supporting the 3dnow instruction set. Reviewed-by: kvn Contributed-by: tom.deneau@amd.com
author kvn
date Mon, 11 Apr 2011 15:30:31 -0700
parents 13bc79b5c9c8
children ccf072cdba91
comparison
equal deleted inserted replaced
2478:328926869b15 2479:15c9a0e16269
1399 case 2: 1399 case 2:
1400 __ prefetcht2(from_addr); break; 1400 __ prefetcht2(from_addr); break;
1401 default: 1401 default:
1402 ShouldNotReachHere(); break; 1402 ShouldNotReachHere(); break;
1403 } 1403 }
1404 } else if (VM_Version::supports_3dnow()) { 1404 } else if (VM_Version::supports_3dnow_prefetch()) {
1405 __ prefetchr(from_addr); 1405 __ prefetchr(from_addr);
1406 } 1406 }
1407 } 1407 }
1408 1408
1409 1409
1422 case 3: 1422 case 3:
1423 __ prefetchw(from_addr); break; 1423 __ prefetchw(from_addr); break;
1424 default: 1424 default:
1425 ShouldNotReachHere(); break; 1425 ShouldNotReachHere(); break;
1426 } 1426 }
1427 } else if (VM_Version::supports_3dnow()) { 1427 } else if (VM_Version::supports_3dnow_prefetch()) {
1428 __ prefetchw(from_addr); 1428 __ prefetchw(from_addr);
1429 } 1429 }
1430 } 1430 }
1431 1431
1432 1432