Do not require setting MONO_CHECKOUT if run from <checkout>/eglib/test; ignore functi...

[mono.git] / docs / mini-porting.txt

diff --git a/docs/mini-porting.txt b/docs/mini-porting.txt
index 7cf14775b1d1d659e99e864ceeab253515ef0733..acca411cdbb9e68b72e1ec2dde5e5382c8f22d4e 100644 (file)
--- a/docs/mini-porting.txt
+++ b/docs/mini-porting.txt
@@ -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 @@
 
 
 
-       
\ No newline at end of file
+