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7018378: JSR 292: _bound_int_mh produces wrong result on 64-bit SPARC

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Reviewed-by: kvn
This commit is contained in:
Christian Thalinger 2011-02-14 03:21:18 -08:00
parent add4b5bf69
commit c2b37037c6
6 changed files with 63 additions and 48 deletions
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39
hotspot/src/cpu/x86/vm/assembler_x86.cpp
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@ -6528,20 +6528,39 @@ int MacroAssembler::load_unsigned_short(Register dst, Address src) {
return off;
}
void MacroAssembler::load_sized_value(Register dst, Address src,
size_t size_in_bytes, bool is_signed) {
void MacroAssembler::load_sized_value(Register dst, Address src, size_t size_in_bytes, bool is_signed, Register dst2) {
switch (size_in_bytes) {
#ifndef _LP64
// For case 8, caller is responsible for manually loading
// the second word into another register.
case 8: movl(dst, src); break;
case 8:
assert(dst2 != noreg, "second dest register required");
movl(dst, src);
movl(dst2, src.plus_disp(BytesPerInt));
break;
#else
case 8: movq(dst, src); break;
case 8: movq(dst, src); break;
#endif
case 4: movl(dst, src); break;
case 2: is_signed ? load_signed_short(dst, src) : load_unsigned_short(dst, src); break;
case 1: is_signed ? load_signed_byte( dst, src) : load_unsigned_byte( dst, src); break;
default: ShouldNotReachHere();
case 4: movl(dst, src); break;
case 2: is_signed ? load_signed_short(dst, src) : load_unsigned_short(dst, src); break;
case 1: is_signed ? load_signed_byte( dst, src) : load_unsigned_byte( dst, src); break;
default: ShouldNotReachHere();
}
}
void MacroAssembler::store_sized_value(Address dst, Register src, size_t size_in_bytes, Register src2) {
switch (size_in_bytes) {
#ifndef _LP64
case 8:
assert(src2 != noreg, "second source register required");
movl(dst, src);
movl(dst.plus_disp(BytesPerInt), src2);
break;
#else
case 8: movq(dst, src); break;
#endif
case 4: movl(dst, src); break;
case 2: movw(dst, src); break;
case 1: movb(dst, src); break;
default: ShouldNotReachHere();
}
}