Mercurial > hg > graal-compiler
diff src/share/vm/c1/c1_LinearScan.cpp @ 13102:f9f4503a4ab5
Merge
author | Christos Kotselidis <christos.kotselidis@oracle.com> |
---|---|
date | Thu, 21 Nov 2013 15:04:54 +0100 |
parents | a905d33ce13a |
children | de6a9e811145 |
line wrap: on
line diff
--- a/src/share/vm/c1/c1_LinearScan.cpp Thu Nov 21 15:04:26 2013 +0100 +++ b/src/share/vm/c1/c1_LinearScan.cpp Thu Nov 21 15:04:54 2013 +0100 @@ -75,9 +75,9 @@ // Map BasicType to spill size in 32-bit words, matching VMReg's notion of words #ifdef _LP64 -static int type2spill_size[T_CONFLICT+1]={ -1, 0, 0, 0, 1, 1, 1, 2, 1, 1, 1, 2, 2, 2, 0, 1, -1}; +static int type2spill_size[T_CONFLICT+1]={ -1, 0, 0, 0, 1, 1, 1, 2, 1, 1, 1, 2, 2, 2, 0, 2, 1, 2, 1, -1}; #else -static int type2spill_size[T_CONFLICT+1]={ -1, 0, 0, 0, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 0, 1, -1}; +static int type2spill_size[T_CONFLICT+1]={ -1, 0, 0, 0, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 0, 1, -1, 1, 1, -1}; #endif @@ -1138,8 +1138,10 @@ } } } - - } else if (opr_type != T_LONG) { + // We want to sometimes use logical operations on pointers, in particular in GC barriers. + // Since 64bit logical operations do not current support operands on stack, we have to make sure + // T_OBJECT doesn't get spilled along with T_LONG. + } else if (opr_type != T_LONG LP64_ONLY(&& opr_type != T_OBJECT)) { // integer instruction (note: long operands must always be in register) switch (op->code()) { case lir_cmp: