|
|
@@ -241,6 +241,9 @@
|
|
|
collecting liveness information and in a backward pass on the
|
|
|
same list performs the actual register allocation, inserting
|
|
|
the instructions needed to spill values, if necessary.
|
|
|
+
|
|
|
+ The cross-platform local register allocator is now implemented
|
|
|
+ and it is documented in the jit-regalloc file.
|
|
|
|
|
|
When this part of code is implemented, some testing can be
|
|
|
done with the generated code for the new architecture. Most
|
|
|
@@ -254,7 +257,14 @@
|
|
|
tests. Also, using multiple -v switches on the command line
|
|
|
makes the JIT dump an increasing amount of information during
|
|
|
compilation.
|
|
|
-
|
|
|
+
|
|
|
+ Values loaded into registers need to be extened as needed by
|
|
|
+ the ECMA specs:
|
|
|
+
|
|
|
+ *) integers smaller than 4 bytes are extended to int32 values
|
|
|
+ *) 32 bit floats are extended to double precision (in particular
|
|
|
+ this means that currently all the floating point operations operate
|
|
|
+ on doubles)
|
|
|
|
|
|
* Method trampolines
|
|
|
|
|
|
@@ -448,4 +458,4 @@
|
|
|
|
|
|
|
|
|
|
|
|
-
|
|
|
+
|
Paolo Molaro