archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-09-21 11:34:38 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

6943304: remove tagged stack interpreter

Browse source 
Reviewed-by: coleenp, never, gbenson
This commit is contained in:
Christian Thalinger 2010-04-30 08:37:24 -07:00
parent 55457c9cc7
commit 0211f9703a
51 changed files with 510 additions and 1891 deletions
Download patch file Download diff file Expand all files Collapse all files

8
hotspot/src/cpu/x86/vm/stubGenerator_x86_32.cpp
View file

@ -139,7 +139,7 @@ class StubGenerator: public StubCodeGenerator {
// stub code
__ enter();
__ movptr(rcx, parameter_size); // parameter counter
__ shlptr(rcx, Interpreter::logStackElementSize()); // convert parameter count to bytes
__ shlptr(rcx, Interpreter::logStackElementSize); // convert parameter count to bytes
__ addptr(rcx, locals_count_in_bytes); // reserve space for register saves
__ subptr(rsp, rcx);
__ andptr(rsp, -(StackAlignmentInBytes)); // Align stack
@ -194,12 +194,6 @@ class StubGenerator: public StubCodeGenerator {
__ xorptr(rbx, rbx);
__ BIND(loop);
if (TaggedStackInterpreter) {
__ movptr(rax, Address(rdx, rcx, Interpreter::stackElementScale(),
-2*wordSize)); // get tag
__ movptr(Address(rsp, rbx, Interpreter::stackElementScale(),
Interpreter::expr_tag_offset_in_bytes(0)), rax); // store tag
}
// get parameter
__ movptr(rax, Address(rdx, rcx, Interpreter::stackElementScale(), -wordSize));