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Rename "loopcnt" to "vm_execution_depth" and CON_DIRECT_THREADING_DISPATCH to CON_USE_COMPUTED_GOTO

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Also removes a redundant "break" statement in builds not using CON_USE_COMPUTED_GOTO.

git-svn-id: https://svn.eduke32.com/eduke32@7647 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
terminx 2019-05-19 03:54:12 +00:00 committed by Christoph Oelckers
parent 058c1a8060
commit 0cbb1df2d1
1 changed files with 10 additions and 13 deletions
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23
source/duke3d/src/gameexec.cpp
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@ -1268,15 +1268,15 @@ void Screen_Play(void)
}
#if defined __GNUC__ || defined __clang__
# define CON_DIRECT_THREADING_DISPATCH
# define CON_USE_COMPUTED_GOTO
#endif
#ifdef CON_DIRECT_THREADING_DISPATCH
#ifdef CON_USE_COMPUTED_GOTO
# define vInstruction(KEYWORDID) VINST_ ## KEYWORDID
# define vmErrorCase VINST_CON_OPCODE_END
# define eval(INSTRUCTION) { if ((unsigned)INSTRUCTION < CON_OPCODE_END) goto *jumpTable[INSTRUCTION]; else goto vmErrorCase; }
# define dispatch_unconditionally(...) { tw = *insptr; g_errorLineNum = tw >> 12; g_tw = tw &= VM_INSTMASK; eval(tw) }
# define dispatch(...) { if (loopcnt && (vm.flags & (VM_RETURN|VM_KILL|VM_NOEXECUTE)) == 0) dispatch_unconditionally(__VA_ARGS__); return; }
# define dispatch(...) { if (vm_execution_depth && (vm.flags & (VM_RETURN|VM_KILL|VM_NOEXECUTE)) == 0) dispatch_unconditionally(__VA_ARGS__); return; }
# define abort_after_error(...) return
# define vInstructionPointer(KEYWORDID) &&VINST_ ## KEYWORDID
# define COMMA ,
@ -1302,9 +1302,9 @@ void Screen_Play(void)
GAMEEXEC_STATIC void VM_Execute(bool const loop /*= false*/)
{
native_t loopcnt = loop;
native_t vm_execution_depth = loop;
#ifndef CON_DIRECT_THREADING_DISPATCH
#ifndef CON_USE_COMPUTED_GOTO
do
{
#else
@ -1318,13 +1318,13 @@ GAMEEXEC_STATIC void VM_Execute(bool const loop /*= false*/)
{
vInstruction(CON_LEFTBRACE):
{
insptr++, loopcnt++;
insptr++, vm_execution_depth++;
dispatch_unconditionally();
}
vInstruction(CON_RIGHTBRACE):
{
insptr++, loopcnt--;
insptr++, vm_execution_depth--;
dispatch();
}
@ -2552,7 +2552,7 @@ GAMEEXEC_STATIC void VM_Execute(bool const loop /*= false*/)
vInstruction(CON_RETURN):
vm.flags |= VM_RETURN;
#if !defined CON_DIRECT_THREADING_DISPATCH
#if !defined CON_USE_COMPUTED_GOTO
fallthrough__;
#endif
vInstruction(CON_ENDSWITCH):
@ -6213,13 +6213,10 @@ badindex:
"If you are a developer, please attach all of your script files\n"
"along with instructions on how to reproduce this error.\n\n"
"Thank you!");
#ifndef CON_DIRECT_THREADING_DISPATCH
break;
#endif
}
#ifndef CON_DIRECT_THREADING_DISPATCH
#ifndef CON_USE_COMPUTED_GOTO
}
while (loopcnt && (vm.flags & (VM_RETURN|VM_KILL|VM_NOEXECUTE)) == 0);
while (vm_execution_depth && (vm.flags & (VM_RETURN|VM_KILL|VM_NOEXECUTE)) == 0);
#endif
}