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comparison src/share/vm/opto/superword.cpp @ 113:ba764ed4b6f2

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6420645: Create a vm that uses compressed oops for up to 32gb heapsizes Summary: Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold
author coleenp
date Sun, 13 Apr 2008 17:43:42 -0400
parents a7d0f95410bd
children d1605aabd0a1 1e026f8da827
comparison
equal deleted inserted replaced
110:a49a647afe9a 113:ba764ed4b6f2
1422 } 1422 }
1423 1423
1424 //---------------------------container_type--------------------------- 1424 //---------------------------container_type---------------------------
1425 // Smallest type containing range of values 1425 // Smallest type containing range of values
1426 const Type* SuperWord::container_type(const Type* t) { 1426 const Type* SuperWord::container_type(const Type* t) {
1427 if (t->isa_narrowoop()) t = t->is_narrowoop()->make_oopptr();
1427 if (t->isa_aryptr()) { 1428 if (t->isa_aryptr()) {
1428 t = t->is_aryptr()->elem(); 1429 t = t->is_aryptr()->elem();
1429 } 1430 }
1430 if (t->basic_type() == T_INT) { 1431 if (t->basic_type() == T_INT) {
1431 if (t->higher_equal(TypeInt::BOOL)) return TypeInt::BOOL; 1432 if (t->higher_equal(TypeInt::BOOL)) return TypeInt::BOOL;