gh-mirror/mikepaul-LuaJIT
1
0
Fork 0
mirror of https://github.com/LuaJIT/LuaJIT.git synced 2025-02-08 15:34:09 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Update vm_s390x.dasc

Browse Source 
Added definitions to macros savereg and restreg
used Store and Load instructions 
to store and load register contents to n from memory
This commit is contained in:
ketank-new 2016-11-22 10:20:56 +05:30 committed by GitHub
parent e90d985d08
commit 31c0e6016a
1 changed files with 17 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
src/vm_s390x.dasc
View File

@ -15,15 +15,15 @@
|
|// Fixed register assignments for the interpreter.
|// This is very fragile and has many dependencies. Caveat emptor.
|.define BASE, gr0 // Base of current Lua stack frame.
|.define KBASE, gr1 // Constants of current Lua function.
|.define PC, gr14 // Next PC.
|.define GLREG, gr2 // Global state.
|.define LREG, gr3 // Register holding lua_State (also in SAVE_L).
|.define TISNUM, gr4 // Constant LJ_TISNUM << 47.
|.define TISNUMhi, gr5 // Constant LJ_TISNUM << 15.
|.define TISNIL, gr6 // Constant -1LL.
|.define fp, gr7 // Yes, we have to maintain a frame pointer.
|.define BASE, gr0
|.define KBASE, gr1
|.define PC, gr14
|.define GLREG, gr2
|.define LREG, gr3
|.define TISNUM, gr4
|.define TISNUMhi, gr5
|.define TISNIL, gr6
|.define fp, gr7
|
|// The following temporaries are not saved across C calls, except for RA/RC.
|.define RA,
@ -82,18 +82,16 @@
|
|.define TMPDofs,
|
|.macro save_, gpr1, gpr2, fpr1, fpr2
]
|.endmacro
|.macro rest_, gpr1, gpr2, fpr1, fpr2
]
|.macro savereg arg1 arg2 arg3
| STG arg1; // Store 64bit content
| STG arg2; // Store 64bit content
| STG arg3; // Store 64bit content
|.endmacro
|
|.macro saveregs
|.endmacro
|.macro restoreregs
|.macro restreg arg1 arg2 arg3
| LG arg1; // Load 64 bit content
| LG arg2; // Load 64 bit content
| LG arg3; // Load 64 bit content
|.endmacro
|
|// Type definitions. Some of these are only used for documentation.