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comparison src/cpu/x86/vm/vm_version_x86.cpp @ 6225:2c368ea3e844

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7181494: cleanup avx and vectors code Summary: renamed mach nodes which use scalar AVX instructions, added integer vectors shuffling instructions Reviewed-by: twisti
author kvn
date Mon, 16 Jul 2012 17:10:22 -0700
parents 8c92982cbbc4
children 957c266d8bc5 8ae8f9dd7099
comparison
equal deleted inserted replaced
6224:56c4f88474b3 6225:2c368ea3e844
560 // Also, if some other prefetch style is specified, default instruction type is PREFETCHW 560 // Also, if some other prefetch style is specified, default instruction type is PREFETCHW
561 if (FLAG_IS_DEFAULT(AllocatePrefetchInstr)) { 561 if (FLAG_IS_DEFAULT(AllocatePrefetchInstr)) {
562 AllocatePrefetchInstr = 3; 562 AllocatePrefetchInstr = 3;
563 } 563 }
564 // On family 15h processors use XMM and UnalignedLoadStores for Array Copy 564 // On family 15h processors use XMM and UnalignedLoadStores for Array Copy
565 if( FLAG_IS_DEFAULT(UseXMMForArrayCopy) ) { 565 if( supports_sse2() && FLAG_IS_DEFAULT(UseXMMForArrayCopy) ) {
566 UseXMMForArrayCopy = true; 566 UseXMMForArrayCopy = true;
567 } 567 }
568 if( FLAG_IS_DEFAULT(UseUnalignedLoadStores) && UseXMMForArrayCopy ) { 568 if( FLAG_IS_DEFAULT(UseUnalignedLoadStores) && UseXMMForArrayCopy ) {
569 UseUnalignedLoadStores = true; 569 UseUnalignedLoadStores = true;
570 } 570 }