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6985015: C1 needs to support compressed oops

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This change implements compressed oops for C1 for x64 and sparc. The changes are mostly on the codegen level, with a few exceptions when we do access things outside of the heap that are uncompressed from the IR. Compressed oops are now also enabled with tiered.

Reviewed-by: twisti, kvn, never, phh
This commit is contained in:
Igor Veresov 2010-11-30 23:23:40 -08:00
parent 8006fe8f75
commit d59d7ffc4a
30 changed files with 493 additions and 429 deletions
Download patch file Download diff file Expand all files Collapse all files

12
hotspot/src/share/vm/c1/c1_LIRAssembler.cpp
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@ -489,7 +489,9 @@ void LIR_Assembler::emit_op1(LIR_Op1* op) {
volatile_move_op(op->in_opr(), op->result_opr(), op->type(), op->info());
} else {
move_op(op->in_opr(), op->result_opr(), op->type(),
op->patch_code(), op->info(), op->pop_fpu_stack(), op->move_kind() == lir_move_unaligned);
op->patch_code(), op->info(), op->pop_fpu_stack(),
op->move_kind() == lir_move_unaligned,
op->move_kind() == lir_move_wide);
}
break;
@ -758,7 +760,7 @@ void LIR_Assembler::roundfp_op(LIR_Opr src, LIR_Opr tmp, LIR_Opr dest, bool pop_
}
void LIR_Assembler::move_op(LIR_Opr src, LIR_Opr dest, BasicType type, LIR_PatchCode patch_code, CodeEmitInfo* info, bool pop_fpu_stack, bool unaligned) {
void LIR_Assembler::move_op(LIR_Opr src, LIR_Opr dest, BasicType type, LIR_PatchCode patch_code, CodeEmitInfo* info, bool pop_fpu_stack, bool unaligned, bool wide) {
if (src->is_register()) {
if (dest->is_register()) {
assert(patch_code == lir_patch_none && info == NULL, "no patching and info allowed here");
@ -767,7 +769,7 @@ void LIR_Assembler::move_op(LIR_Opr src, LIR_Opr dest, BasicType type, LIR_Patch
assert(patch_code == lir_patch_none && info == NULL, "no patching and info allowed here");
reg2stack(src, dest, type, pop_fpu_stack);
} else if (dest->is_address()) {
reg2mem(src, dest, type, patch_code, info, pop_fpu_stack, unaligned);
reg2mem(src, dest, type, patch_code, info, pop_fpu_stack, wide, unaligned);
} else {
ShouldNotReachHere();
}
@ -790,13 +792,13 @@ void LIR_Assembler::move_op(LIR_Opr src, LIR_Opr dest, BasicType type, LIR_Patch
const2stack(src, dest);
} else if (dest->is_address()) {
assert(patch_code == lir_patch_none, "no patching allowed here");
const2mem(src, dest, type, info);
const2mem(src, dest, type, info, wide);
} else {
ShouldNotReachHere();
}
} else if (src->is_address()) {
mem2reg(src, dest, type, patch_code, info, unaligned);
mem2reg(src, dest, type, patch_code, info, wide, unaligned);
} else {
ShouldNotReachHere();