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8056950: Compiled code (64-bit) on SPARC should sign extend INT parameters passed on registers to runtime or native methods

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Reviewed-by: thartmann, simonis
This commit is contained in:
Goetz Lindenmaier 2016-07-04 16:28:27 +02:00
parent b582e23cba
commit d442aea3c9
2 changed files with 1 additions and 11 deletions
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2
hotspot/src/cpu/sparc/vm/globalDefinitions_sparc.hpp
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@ -32,7 +32,7 @@ const int StackAlignmentInBytes = (2*wordSize);
// Indicates whether the C calling conventions require that
// 32-bit integer argument values are extended to 64 bits.
const bool CCallingConventionRequiresIntsAsLongs = false;
const bool CCallingConventionRequiresIntsAsLongs = true;
#define SUPPORTS_NATIVE_CX8

10
hotspot/src/share/vm/runtime/sharedRuntime.hpp
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@ -388,16 +388,6 @@ class SharedRuntime: AllStatic {
static int c_calling_convention(const BasicType *sig_bt, VMRegPair *regs, VMRegPair *regs2,
int total_args_passed);
// Compute the new number of arguments in the signature if 32 bit ints
// must be converted to longs. Needed if CCallingConventionRequiresIntsAsLongs
// is true.
static int convert_ints_to_longints_argcnt(int in_args_count, BasicType* in_sig_bt);
// Adapt a method's signature if it contains 32 bit integers that must
// be converted to longs. Needed if CCallingConventionRequiresIntsAsLongs
// is true.
static void convert_ints_to_longints(int i2l_argcnt, int& in_args_count,
BasicType*& in_sig_bt, VMRegPair*& in_regs);
static size_t trampoline_size();
static void generate_trampoline(MacroAssembler *masm, address destination);