File 1107-jit-Compute-the-address-of-beam_exit-inste... of Package erlang

Overview Repositories Revisions Requests Users Attributes Meta

File 1107-jit-Compute-the-address-of-beam_exit-instead-of-load.patch of Package erlang (Revision 1c6d27e874ff4bb28c5c2e74b90a1fc8)

Currently displaying revision 1c6d27e874ff4bb28c5c2e74b90a1fc8 , Show latest

From 1e4b9dc0185ddc18111056d4fd2e37bbf9266634 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?John=20H=C3=B6gberg?= <john@erlang.org>
Date: Thu, 22 Apr 2021 11:05:29 +0200
Subject: [PATCH 07/20] jit: Compute the address of beam_exit instead of
 loading it (x86)

---
 erts/emulator/beam/jit/x86/process_main.cpp | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/erts/emulator/beam/jit/x86/process_main.cpp b/erts/emulator/beam/jit/x86/process_main.cpp
index 6016b47f10..ccbbc95582 100644
--- a/erts/emulator/beam/jit/x86/process_main.cpp
+++ b/erts/emulator/beam/jit/x86/process_main.cpp
@@ -179,10 +179,7 @@ void BeamGlobalAssembler::emit_process_main() {
         {
             comment("Process exiting");
 
-            /* We load the beam_exit from memory because it has not yet been set
-             * when the global assembler is created. */
-            a.mov(ARG1, imm(&beam_exit));
-            a.mov(ARG1, x86::qword_ptr(ARG1));
+            a.lea(ARG1, x86::qword_ptr(labels[process_exit]));
             a.mov(x86::qword_ptr(c_p, offsetof(Process, i)), ARG1);
             a.mov(x86::qword_ptr(c_p, offsetof(Process, arity)), imm(0));
             a.mov(x86::qword_ptr(c_p, offsetof(Process, current)), imm(0));
-- 
2.26.2

Places

File 1107-jit-Compute-the-address-of-beam_exit-instead-of-load.patch of Package erlang (Revision 1c6d27e874ff4bb28c5c2e74b90a1fc8)

Places