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8292638: x86: Improve scratch register handling in VM stubs

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Co-authored-by: Aleksey Shipilev <shade@openjdk.org>
Reviewed-by: kvn, shade
This commit is contained in:
Vladimir Ivanov 2022-08-23 19:32:51 +00:00
parent d24b7b7026
commit f3be6731d3
14 changed files with 371 additions and 507 deletions
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8
src/hotspot/cpu/x86/assembler_x86.hpp
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@ -802,16 +802,18 @@ private:
void emit_arith_operand(int op1, Register rm, Address adr, int32_t imm32);
protected:
#ifdef ASSERT
#ifdef ASSERT
void check_relocation(RelocationHolder const& rspec, int format);
#endif
#endif
void emit_data(jint data, relocInfo::relocType rtype, int format);
void emit_data(jint data, RelocationHolder const& rspec, int format);
void emit_data64(jlong data, relocInfo::relocType rtype, int format = 0);
void emit_data64(jlong data, RelocationHolder const& rspec, int format = 0);
bool reachable(AddressLiteral adr) NOT_LP64({ return true;});
bool always_reachable(AddressLiteral adr) NOT_LP64( { return true; } );
bool reachable(AddressLiteral adr) NOT_LP64( { return true; } );
// These are all easily abused and hence protected