--- a/hotspot/src/cpu/x86/vm/assembler_x86.hpp Fri May 06 12:12:29 2011 -0700
+++ b/hotspot/src/cpu/x86/vm/assembler_x86.hpp Fri May 06 16:33:13 2011 -0700
@@ -234,6 +234,20 @@
a._disp += disp;
return a;
}
+ Address plus_disp(RegisterOrConstant disp, ScaleFactor scale = times_1) const {
+ Address a = (*this);
+ a._disp += disp.constant_or_zero() * scale_size(scale);
+ if (disp.is_register()) {
+ assert(!a.index()->is_valid(), "competing indexes");
+ a._index = disp.as_register();
+ a._scale = scale;
+ }
+ return a;
+ }
+ bool is_same_address(Address a) const {
+ // disregard _rspec
+ return _base == a._base && _disp == a._disp && _index == a._index && _scale == a._scale;
+ }
// The following two overloads are used in connection with the
// ByteSize type (see sizes.hpp). They simplify the use of
@@ -2029,6 +2043,10 @@
void addptr(Register dst, Address src) { LP64_ONLY(addq(dst, src)) NOT_LP64(addl(dst, src)); }
void addptr(Register dst, int32_t src);
void addptr(Register dst, Register src);
+ void addptr(Register dst, RegisterOrConstant src) {
+ if (src.is_constant()) addptr(dst, (int) src.as_constant());
+ else addptr(dst, src.as_register());
+ }
void andptr(Register dst, int32_t src);
void andptr(Register src1, Register src2) { LP64_ONLY(andq(src1, src2)) NOT_LP64(andl(src1, src2)) ; }
@@ -2090,7 +2108,10 @@
void subptr(Register dst, Address src) { LP64_ONLY(subq(dst, src)) NOT_LP64(subl(dst, src)); }
void subptr(Register dst, int32_t src);
void subptr(Register dst, Register src);
-
+ void subptr(Register dst, RegisterOrConstant src) {
+ if (src.is_constant()) subptr(dst, (int) src.as_constant());
+ else subptr(dst, src.as_register());
+ }
void sbbptr(Address dst, int32_t src) { LP64_ONLY(sbbq(dst, src)) NOT_LP64(sbbl(dst, src)); }
void sbbptr(Register dst, int32_t src) { LP64_ONLY(sbbq(dst, src)) NOT_LP64(sbbl(dst, src)); }
@@ -2288,6 +2309,11 @@
void movptr(Address dst, Register src);
+ void movptr(Register dst, RegisterOrConstant src) {
+ if (src.is_constant()) movptr(dst, src.as_constant());
+ else movptr(dst, src.as_register());
+ }
+
#ifdef _LP64
// Generally the next two are only used for moving NULL
// Although there are situations in initializing the mark word where