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Get rid of unused DUP instruction.

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This commit is contained in:
Bob Nystrom
2013-12-23 11:37:47 -08:00
parent 9235a7e38f
commit 1503e74233
5 changed files with 8 additions and 40 deletions
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src/wren_vm.c
+8 -29
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@@ -616,6 +616,8 @@ static Value interpret(WrenVM* vm, ObjFiber* fiber)
#if WREN_COMPUTED_GOTO
// Note that the order of instructions here must exacly match the Code enum
// in wren_vm.h or horrendously bad things happen.
static void* dispatchTable[] = {
&&code_CONSTANT,
&&code_NULL,
@@ -631,7 +633,6 @@ static Value interpret(WrenVM* vm, ObjFiber* fiber)
&&code_STORE_FIELD_THIS,
&&code_LOAD_FIELD,
&&code_STORE_FIELD,
&&code_DUP,
&&code_POP,
&&code_CALL_0,
&&code_CALL_1,
@@ -775,18 +776,12 @@ static Value interpret(WrenVM* vm, ObjFiber* fiber)
}
CASE_CODE(LOAD_LOCAL):
{
int local = READ_ARG();
PUSH(fiber->stack[frame->stackStart + local]);
PUSH(fiber->stack[frame->stackStart + READ_ARG()]);
DISPATCH();
}
CASE_CODE(STORE_LOCAL):
{
int local = READ_ARG();
fiber->stack[frame->stackStart + local] = PEEK();
fiber->stack[frame->stackStart + READ_ARG()] = PEEK();
DISPATCH();
}
CASE_CODE(CONSTANT):
PUSH(fn->constants[READ_ARG()]);
@@ -866,38 +861,24 @@ static Value interpret(WrenVM* vm, ObjFiber* fiber)
}
CASE_CODE(LOAD_UPVALUE):
{
ASSERT(upvalues != NULL,
"Should not have CODE_LOAD_UPVALUE instruction in non-closure.");
int upvalue = READ_ARG();
PUSH(*upvalues[upvalue]->value);
PUSH(*upvalues[READ_ARG()]->value);
DISPATCH();
}
CASE_CODE(STORE_UPVALUE):
{
ASSERT(upvalues != NULL,
"Should not have CODE_STORE_UPVALUE instruction in non-closure.");
int upvalue = READ_ARG();
*upvalues[upvalue]->value = POP();
*upvalues[READ_ARG()]->value = POP();
DISPATCH();
}
CASE_CODE(LOAD_GLOBAL):
{
int global = READ_ARG();
PUSH(vm->globals[global]);
PUSH(vm->globals[READ_ARG()]);
DISPATCH();
}
CASE_CODE(STORE_GLOBAL):
{
int global = READ_ARG();
vm->globals[global] = PEEK();
vm->globals[READ_ARG()] = PEEK();
DISPATCH();
}
CASE_CODE(LOAD_FIELD_THIS):
{
@@ -943,8 +924,6 @@ static Value interpret(WrenVM* vm, ObjFiber* fiber)
DISPATCH();
}
CASE_CODE(DUP): PUSH(PEEK()); DISPATCH();
CASE_CODE(JUMP):
{
int offset = READ_ARG();