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6420645: Create a vm that uses compressed oops for up to 32gb heapsizes

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Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv

Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold
This commit is contained in:
Coleen Phillimore 2008-04-13 17:43:42 -04:00
parent 680ecf1611
commit 4a831d45f0
273 changed files with 6585 additions and 2993 deletions
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26
hotspot/src/cpu/x86/vm/assembler_x86_64.hpp
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@ -37,7 +37,7 @@ class Argument VALUE_OBJ_CLASS_SPEC {
#else
n_int_register_parameters_c = 6, // rdi, rsi, rdx, rcx, r8, r9 (c_rarg0, c_rarg1, ...)
n_float_register_parameters_c = 8, // xmm0 - xmm7 (c_farg0, c_farg1, ... )
#endif
#endif // _WIN64
n_int_register_parameters_j = 6, // j_rarg0, j_rarg1, ...
n_float_register_parameters_j = 8 // j_farg0, j_farg1, ...
};
@ -77,7 +77,7 @@ REGISTER_DECLARATION(XMMRegister, c_farg5, xmm5);
REGISTER_DECLARATION(XMMRegister, c_farg6, xmm6);
REGISTER_DECLARATION(XMMRegister, c_farg7, xmm7);
#endif
#endif // _WIN64
// Symbolically name the register arguments used by the Java calling convention.
// We have control over the convention for java so we can do what we please.
@ -105,7 +105,7 @@ REGISTER_DECLARATION(Register, j_rarg4, rsi);
#else
REGISTER_DECLARATION(Register, j_rarg3, c_rarg4);
REGISTER_DECLARATION(Register, j_rarg4, c_rarg5);
#endif /* _WIN64 */
#endif // _WIN64
REGISTER_DECLARATION(Register, j_rarg5, c_rarg0);
REGISTER_DECLARATION(XMMRegister, j_farg0, xmm0);
@ -120,7 +120,8 @@ REGISTER_DECLARATION(XMMRegister, j_farg7, xmm7);
REGISTER_DECLARATION(Register, rscratch1, r10); // volatile
REGISTER_DECLARATION(Register, rscratch2, r11); // volatile
REGISTER_DECLARATION(Register, r15_thread, r15); // callee-saved
REGISTER_DECLARATION(Register, r12_heapbase, r12); // callee-saved
REGISTER_DECLARATION(Register, r15_thread, r15); // callee-saved
#endif // _LP64
@ -785,7 +786,8 @@ class Assembler : public AbstractAssembler {
void rep_movl();
void rep_movq();
void rep_set();
void repne_scan();
void repne_scanl();
void repne_scanq();
void setb(Condition cc, Register dst);
void clflush(Address adr);
@ -1099,6 +1101,17 @@ class MacroAssembler : public Assembler {
void movbool(Address dst, Register src);
void testbool(Register dst);
// oop manipulations
void load_klass(Register dst, Register src);
void store_klass(Register dst, Register src);
void load_heap_oop(Register dst, Address src);
void store_heap_oop(Address dst, Register src);
void encode_heap_oop(Register r);
void decode_heap_oop(Register r);
void encode_heap_oop_not_null(Register r);
void decode_heap_oop_not_null(Register r);
// Stack frame creation/removal
void enter();
void leave();
@ -1250,6 +1263,9 @@ class MacroAssembler : public Assembler {
void verify_oop(Register reg, const char* s = "broken oop");
void verify_oop_addr(Address addr, const char * s = "broken oop addr");
// if heap base register is used - reinit it with the correct value
void reinit_heapbase();
// only if +VerifyFPU
void verify_FPU(int stack_depth, const char* s = "illegal FPU state") {}