X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=doc%2Finternals%2Fcalling-convention.texinfo;h=671ea6ce6b874880c8c02be6044672eea4b8ebe7;hb=1471fe66b2159cf5edbee456a34ee14226db2aaa;hp=5fcb529fd01a984e86b7fee7275d4f2ba7b10625;hpb=952d16ab5880823c1864eb9105bb269e2e00760d;p=sbcl.git

diff --git a/doc/internals/calling-convention.texinfo b/doc/internals/calling-convention.texinfo
index 5fcb529..671ea6c 100644
--- a/doc/internals/calling-convention.texinfo
+++ b/doc/internals/calling-convention.texinfo
@@ -81,7 +81,7 @@ The local (known-values) calling convention is implemented by the
 @code{known-call-local} and @code{known-return} VOPs.
 
 Local unknown-values calls are handled at the call site by the
-@code{call-local} and @code{mutiple-call-local} VOPs. The main
+@code{call-local} and @code{multiple-call-local} VOPs. The main
 difference between the full call and local call protocols here is that
 local calls use a different frame setup protocol, and will tend to not
 use the normal frame layout for the old frame-pointer and
@@ -191,7 +191,7 @@ EBX} instruction. When expecting more than one value, we need to
 arrange to set up default values when a single-value return happens,
 so we encode a jump around a stub of code which fakes up the register
 use convention of a multiple-value return. Again, in the old
-convention this was a two-byte unconditionl jump, and in the new
+convention this was a two-byte unconditional jump, and in the new
 convention this is a conditional jump based on the carry flag.
 
 
@@ -212,9 +212,11 @@ the case of an entry point for a full call).
 @comment  node-name,  next,  previous,  up
 @section Additional Notes
 
-The low-hanging fruit here is going to be changing every call and
-return to use @code{CALL} and @code{RETURN} instructions instead of
-@code{JMP} instructions.
+The low-hanging fruit is going to be changing every call and return to
+use @code{CALL} and @code{RETURN} instructions instead of @code{JMP}
+instructions which is partly done on x86oids: a trampoline is
+@code{CALL}ed and that @code{JMP}s to the target which is sufficient
+to negate (most of?) the penalty.
 
 A more involved change would be to reduce the number of argument
 passing registers from three to two, which may be beneficial in terms