void JitFragmentWriter::emitPrint(RewriterVar* dest, RewriterVar* var, bool nl) {
if (!dest)
dest = call(false, (void*)getSysStdout);
if (!var)
var = imm(0ul);
call(false, (void*)printHelper, dest, var, imm(nl));
}
void GGLAssembler::build_fog(
component_t& temp, // incomming fragment / output
int component,
Scratch& regs)
{
if (mInfo[component].fog) {
Scratch scratches(registerFile());
comment("fog");
integer_t fragment(temp.reg, temp.h, temp.flags);
if (!(temp.flags & CORRUPTIBLE)) {
temp.reg = regs.obtain();
temp.flags |= CORRUPTIBLE;
}
integer_t fogColor(scratches.obtain(), 8, CORRUPTIBLE);
LDRB(AL, fogColor.reg, mBuilderContext.Rctx,
immed12_pre(GGL_OFFSETOF(state.fog.color[component])));
integer_t factor(scratches.obtain(), 16, CORRUPTIBLE);
CONTEXT_LOAD(factor.reg, generated_vars.f);
// clamp fog factor (TODO: see if there is a way to guarantee
// we won't overflow, when setting the iterators)
BIC(AL, 0, factor.reg, factor.reg, reg_imm(factor.reg, ASR, 31));
CMP(AL, factor.reg, imm( 0x10000 ));
MOV(HS, 0, factor.reg, imm( 0x10000 ));
build_blendFOneMinusF(temp, factor, fragment, fogColor);
}
}
void JitFragmentWriter::emitExec(RewriterVar* code, RewriterVar* globals, RewriterVar* locals, FutureFlags flags) {
if (!globals)
globals = imm(0ul);
if (!locals)
locals = imm(0ul);
call(false, (void*)exec, code, globals, locals, imm(flags));
}
void JitFragmentWriter::emitDelName(InternedString name) {
call(false, (void*)ASTInterpreterJitInterface::delNameHelper, getInterp(),
#ifndef NDEBUG
imm(asUInt(name).first), imm(asUInt(name).second));
#else
imm(asUInt(name)));
#endif
}
RewriterVar* JitFragmentWriter::emitDeref(InternedString s) {
return call(false, (void*)ASTInterpreterJitInterface::derefHelper, getInterp(),
#ifndef NDEBUG
imm(asUInt(s).first), imm(asUInt(s).second));
#else
imm(asUInt(s)));
#endif
}
static void addi(struct DisasmPara_PPC *dp,ppc_word in,char *ext)
{
if ((in&0x08000000) && !PPCGETA(in)) {
sprintf(dp->opcode,"l%s",ext); /* li, lis */
imm(dp,in,0,3);
}
else {
sprintf(dp->opcode,"%s%s",(in&0x8000)?"sub":"add",ext);
if (in & 0x8000)
in = (in^0xffff) + 1;
imm(dp,in,1,0);
}
}
RewriterVar* JitFragmentWriter::emitCreateTuple(const llvm::ArrayRef<RewriterVar*> values) {
auto num = values.size();
if (num == 0)
return imm(EmptyTuple);
else if (num == 1)
return call(false, (void*)BoxedTuple::create1, values[0]);
else if (num == 2)
return call(false, (void*)BoxedTuple::create2, values[0], values[1]);
else if (num == 3)
return call(false, (void*)BoxedTuple::create3, values[0], values[1], values[2]);
else
return call(false, (void*)createTupleHelper, imm(num), allocArgs(values));
}
void GGLAssembler::component_sat(const component_t& v)
{
const int one = ((1<<v.size())-1)<<v.l;
CMP(AL, v.reg, imm( 1<<v.h ));
if (isValidImmediate(one)) {
MOV(HS, 0, v.reg, imm( one ));
} else if (isValidImmediate(~one)) {
MVN(HS, 0, v.reg, imm( ~one ));
} else {
MOV(HS, 0, v.reg, imm( 1<<v.h ));
SUB(HS, 0, v.reg, v.reg, imm( 1<<v.l ));
}
}
void GGLAssembler::extract(integer_t& d, int s, int h, int l, int bits)
{
const int maskLen = h-l;
#ifdef __mips__
assert(maskLen<=11);
#else
assert(maskLen<=8);
#endif
assert(h);
#if __ARM_ARCH__ >= 7
const int mask = (1<<maskLen)-1;
if ((h == bits) && !l && (s != d.reg)) {
MOV(AL, 0, d.reg, s); // component = packed;
} else if ((h == bits) && l) {
MOV(AL, 0, d.reg, reg_imm(s, LSR, l)); // component = packed >> l;
} else if (!l && isValidImmediate(mask)) {
AND(AL, 0, d.reg, s, imm(mask)); // component = packed & mask;
} else if (!l && isValidImmediate(~mask)) {
BIC(AL, 0, d.reg, s, imm(~mask)); // component = packed & mask;
} else {
UBFX(AL, d.reg, s, l, maskLen); // component = (packed & mask) >> l;
}
#else
if (h != bits) {
const int mask = ((1<<maskLen)-1) << l;
if (isValidImmediate(mask)) {
AND(AL, 0, d.reg, s, imm(mask)); // component = packed & mask;
} else if (isValidImmediate(~mask)) {
BIC(AL, 0, d.reg, s, imm(~mask)); // component = packed & mask;
} else {
MOV(AL, 0, d.reg, reg_imm(s, LSL, 32-h));
l += 32-h;
h = 32;
}
s = d.reg;
}
if (l) {
MOV(AL, 0, d.reg, reg_imm(s, LSR, l)); // component = packed >> l;
s = d.reg;
}
if (s != d.reg) {
MOV(AL, 0, d.reg, s);
}
#endif
d.s = maskLen;
}
void JitFragmentWriter::emitSetLocal(InternedString s, int vreg, bool set_closure, RewriterVar* v) {
assert(vreg >= 0);
if (set_closure) {
call(false, (void*)ASTInterpreterJitInterface::setLocalClosureHelper, getInterp(), imm(vreg),
#ifndef NDEBUG
imm(asUInt(s).first), imm(asUInt(s).second),
#else
imm(asUInt(s)),
#endif
v);
} else {
vregs_array->setAttr(8 * vreg, v);
}
}
RewriterVar* JitFragmentWriter::emitCreateSet(const llvm::ArrayRef<RewriterVar*> values) {
auto num = values.size();
if (num == 0)
return call(false, (void*)createSet);
else
return call(false, (void*)createSetHelper, imm(num), allocArgs(values));
}
static void addi(struct PPCDisasm *dp,ppc_word in,const char *ext)
{
if ((in&0x08000000) && !PPCGETA(in)) {
sprintf(dp->opcode,"l%s",ext); /* li, lis */
if(!strcmp(ext, "i"))
imm(dp,in,0,3,1);
else
imm(dp,in,1,3,1);
}
else {
sprintf(dp->opcode,"%s%s",(in&0x8000)?"sub":"add",ext);
if (in & 0x8000)
in = (in^0xffff) + 1;
imm(dp,in,1,0,0);
}
}
RewriterVar* JitFragmentWriter::emitPPCall(void* func_addr, llvm::ArrayRef<RewriterVar*> args, int num_slots,
int slot_size, AST* ast_node, TypeRecorder* type_recorder) {
RewriterVar::SmallVector args_vec(args.begin(), args.end());
#if ENABLE_BASELINEJIT_ICS
RewriterVar* result = createNewVar();
int args_size = args.size();
RewriterVar** _args = (RewriterVar**)regionAlloc(sizeof(RewriterVar*) * args_size);
memcpy(_args, args.begin(), sizeof(RewriterVar*) * args_size);
addAction([=]() {
this->_emitPPCall(result, func_addr, llvm::ArrayRef<RewriterVar*>(_args, args_size), num_slots, slot_size,
ast_node);
}, args, ActionType::NORMAL);
if (type_recorder) {
RewriterVar* type_recorder_var = imm(type_recorder);
RewriterVar* obj_cls_var = result->getAttr(offsetof(Box, cls));
addAction([=]() { _emitRecordType(type_recorder_var, obj_cls_var); }, { type_recorder_var, obj_cls_var },
ActionType::NORMAL);
return result;
}
return result;
#else
assert(args_vec.size() < 7);
return call(false, func_addr, args_vec);
#endif
}
void GGLAssembler::store(const pointer_t& addr, const pixel_t& s, uint32_t flags)
{
const int bits = addr.size;
const int inc = (flags & WRITE_BACK)?1:0;
switch (bits) {
case 32:
if (inc) STR(AL, s.reg, addr.reg, immed12_post(4));
else STR(AL, s.reg, addr.reg);
break;
case 24:
// 24 bits formats are a little special and used only for RGB
// 0x00BBGGRR is unpacked as R,G,B
STRB(AL, s.reg, addr.reg, immed12_pre(0));
MOV(AL, 0, s.reg, reg_imm(s.reg, ROR, 8));
STRB(AL, s.reg, addr.reg, immed12_pre(1));
MOV(AL, 0, s.reg, reg_imm(s.reg, ROR, 8));
STRB(AL, s.reg, addr.reg, immed12_pre(2));
if (!(s.flags & CORRUPTIBLE)) {
MOV(AL, 0, s.reg, reg_imm(s.reg, ROR, 16));
}
if (inc)
ADD(AL, 0, addr.reg, addr.reg, imm(3));
break;
case 16:
if (inc) STRH(AL, s.reg, addr.reg, immed8_post(2));
else STRH(AL, s.reg, addr.reg);
break;
case 8:
if (inc) STRB(AL, s.reg, addr.reg, immed12_post(1));
else STRB(AL, s.reg, addr.reg);
break;
}
}
void cgInitObjProps(IRLS& env, const IRInstruction* inst) {
auto const cls = inst->extra<InitObjProps>()->cls;
auto const obj = srcLoc(env, inst, 0).reg();
auto& v = vmain(env);
// Set the attributes, if any.
auto const odAttrs = cls->getODAttrs();
if (odAttrs) {
static_assert(sizeof(ObjectData::Attribute) == 2,
"Codegen expects 2-byte ObjectData attributes");
assertx(!(odAttrs & 0xffff0000));
v << orwim{odAttrs, obj[ObjectData::attributeOff()], v.makeReg()};
}
// Initialize the properties.
auto const nprops = cls->numDeclProperties();
if (nprops > 0) {
if (cls->pinitVec().size() == 0) {
// If the Class has no 86pinit property-initializer functions, we can
// just copy the initial values from a data member on the Class.
implInitObjPropsFast(v, env, inst, obj, cls, nprops);
} else {
// Load the Class's propInitVec from the target cache. We know it's
// already been initialized as a pre-condition on this op.
auto const propHandle = cls->propHandle();
assertx(rds::isNormalHandle(propHandle));
auto const propInitVec = v.makeReg();
auto const propData = v.makeReg();
v << load{Vreg(rvmtl())[propHandle], propInitVec};
v << load{propInitVec[Class::PropInitVec::dataOff()], propData};
auto const propsOff = sizeof(ObjectData) + cls->builtinODTailSize();
auto args = argGroup(env, inst)
.addr(obj, safe_cast<int32_t>(propsOff))
.reg(propData);
if (!cls->hasDeepInitProps()) {
cgCallHelper(v, env, CallSpec::direct(memcpy), kVoidDest,
SyncOptions::None, args.imm(cellsToBytes(nprops)));
} else {
cgCallHelper(v, env, CallSpec::direct(deepInitHelper),
kVoidDest, SyncOptions::None, args.imm(nprops));
}
}
}
}
static int src1 (FILE *file, struct brw_instruction *inst)
{
if (inst->bits1.da1.src1_reg_file == BRW_IMMEDIATE_VALUE)
return imm (file, inst->bits1.da1.src1_reg_type,
inst);
else if (inst->header.access_mode == BRW_ALIGN_1)
{
if (inst->bits3.da1.src1_address_mode == BRW_ADDRESS_DIRECT)
{
return src_da1 (file,
inst->bits1.da1.src1_reg_type,
inst->bits1.da1.src1_reg_file,
inst->bits3.da1.src1_vert_stride,
inst->bits3.da1.src1_width,
inst->bits3.da1.src1_horiz_stride,
inst->bits3.da1.src1_reg_nr,
inst->bits3.da1.src1_subreg_nr,
inst->bits3.da1.src1_abs,
inst->bits3.da1.src1_negate);
}
else
{
return src_ia1 (file,
inst->bits1.ia1.src1_reg_type,
inst->bits1.ia1.src1_reg_file,
inst->bits3.ia1.src1_indirect_offset,
inst->bits3.ia1.src1_subreg_nr,
inst->bits3.ia1.src1_negate,
inst->bits3.ia1.src1_abs,
inst->bits3.ia1.src1_address_mode,
inst->bits3.ia1.src1_horiz_stride,
inst->bits3.ia1.src1_width,
inst->bits3.ia1.src1_vert_stride);
}
}
else
{
if (inst->bits3.da16.src1_address_mode == BRW_ADDRESS_DIRECT)
{
return src_da16 (file,
inst->bits1.da16.src1_reg_type,
inst->bits1.da16.src1_reg_file,
inst->bits3.da16.src1_vert_stride,
inst->bits3.da16.src1_reg_nr,
inst->bits3.da16.src1_subreg_nr,
inst->bits3.da16.src1_abs,
inst->bits3.da16.src1_negate,
inst->bits3.da16.src1_swz_x,
inst->bits3.da16.src1_swz_y,
inst->bits3.da16.src1_swz_z,
inst->bits3.da16.src1_swz_w);
}
else
{
string (file, "Indirect align16 address mode not supported");
return 1;
}
}
}
void SourceAssembler::add_using_gp(Register reg, const char *name,
Condition cond) {
int offset = find_gp_offset(name);
if (is_rotated_imm(offset)) {
eol_comment(name);
add(reg, gp, imm(offset), cond);
} else {
char buff[128];
jvm_sprintf(buff, "slow add_gp_imm %s %d", name, offset);
eol_comment(buff);
offset -= 1024;
GUARANTEE(is_rotated_imm(1024), "sanity");
GUARANTEE(is_rotated_imm(offset), "sanity");
add(reg, gp, imm(1024), cond);
add(reg, reg, imm(offset), cond);
}
}
RewriterVar* JitFragmentWriter::emitCreateDict(const llvm::ArrayRef<RewriterVar*> keys,
const llvm::ArrayRef<RewriterVar*> values) {
assert(keys.size() == values.size());
if (keys.empty())
return call(false, (void*)createDict);
else
return call(false, (void*)createDictHelper, imm(keys.size()), allocArgs(keys), allocArgs(values));
}
void InterpreterStubs::generate_current_thread_to_primordial() {
Segment seg(this, code_segment, "Current thread to primordial");
bind_global("current_thread_to_primordial");
comment("Set up global pointer, as we can be called from C code");
ldr_gp_base(gp);
bind_global("current_thread_to_primordial_fast");
// We're never going to return to this thread, so it doesn't matter if
// it doesn't look like a stopped Java thread anymore.
get_primordial_sp(sp);
comment("restore permanent registers (including return address)");
ldr(lr, imm_index(sp, BytesPerWord, post_indexed));
ldmfd(sp, range(r3, r11), writeback);
jmpx(lr);
if (GenerateDebugAssembly) {
bind_local("interpreter_bkpt");
get_gp_bytecode_counter(tmp3);
add(tmp3, tmp3, imm(1));
set_gp_bytecode_counter(tmp3);
mov(pc, reg(tmp0));
}
#if ENABLE_XSCALE_WMMX_TIMER_TICK && !ENABLE_TIMER_THREAD
// set timer_tick from WMMX wCASF register
comment("wmmx_set_timer_tick to set timer_tick from WMMX register");
bind_global("wmmx_set_timer_tick");
// tmrc(r2, wCASF);
define_long(0xEE132110);
mvn(r3, imm(4) );
andr(r2, r2, reg(r3) );
// tmcr(wCASF, r2);
define_long(0xEE032110);
jmpx(lr);
// clear timer_tick from WMMX wCASF register
comment("wmmx_set_timer_tick to clear timer_tick from WMMX register");
bind_global("wmmx_clear_timer_tick");
define_long(0xEE100060);
// wcmpgtub(wR0, wR0, wR0);
jmpx(lr);
#endif // ENABLE_XSCALE_WMMX_TIMER_TICK && !ENABLE_TIMER_THREAD
}
static PyObject* MemoryAccess_getScale(PyObject* self, PyObject* noarg) {
try {
triton::arch::Immediate imm(PyMemoryAccess_AsMemoryAccess(self)->getScale());
return PyImmediate(imm);
}
catch (const triton::exceptions::Exception& e) {
return PyErr_Format(PyExc_TypeError, "%s", e.what());
}
}
static PyObject* MemoryOperand_getScale(PyObject* self, PyObject* noarg) {
try {
triton::arch::ImmediateOperand imm(PyMemoryOperand_AsMemoryOperand(self)->getScale());
return PyImmediateOperand(imm);
}
catch (const std::exception& e) {
return PyErr_Format(PyExc_TypeError, "%s", e.what());
}
}
RewriterVar* JitFragmentWriter::emitRuntimeCall(AST_expr* node, RewriterVar* obj, ArgPassSpec argspec,
const llvm::ArrayRef<RewriterVar*> args,
std::vector<BoxedString*>* keyword_names) {
TypeRecorder* type_recorder = getTypeRecorderForNode(node);
#if ENABLE_BASELINEJIT_ICS
RewriterVar* argspec_var = imm(argspec.asInt());
RewriterVar::SmallVector call_args;
call_args.push_back(obj);
call_args.push_back(argspec_var);
call_args.push_back(args.size() > 0 ? args[0] : imm(0ul));
call_args.push_back(args.size() > 1 ? args[1] : imm(0ul));
call_args.push_back(args.size() > 2 ? args[2] : imm(0ul));
if (args.size() > 3) {
RewriterVar* scratch = allocate(args.size() - 3);
for (int i = 0; i < args.size() - 3; ++i)
scratch->setAttr(i * sizeof(void*), args[i + 3]);
call_args.push_back(scratch);
} else
call_args.push_back(imm(0ul));
if (keyword_names)
call_args.push_back(imm(keyword_names));
return emitPPCall((void*)runtimeCall, call_args, 2, 640, type_recorder);
#else
RewriterVar* argspec_var = imm(argspec.asInt());
RewriterVar* keyword_names_var = keyword_names ? imm(keyword_names) : nullptr;
RewriterVar* args_array = nullptr;
if (args.size()) {
args_array = allocArgs(args);
} else
RELEASE_ASSERT(!keyword_names_var, "0 args but keyword names are set");
RewriterVar::SmallVector call_args;
call_args.push_back(obj);
call_args.push_back(argspec_var);
call_args.push_back(imm(type_recorder));
if (args_array)
call_args.push_back(args_array);
if (keyword_names_var)
call_args.push_back(keyword_names_var);
return call(false, (void*)runtimeCallHelper, call_args);
#endif
}
void test_instructions_for_if() {
asm_p as = &(asm_t){ 0 };
as_new(as);
asm_jump_slot_t to_false_case, to_end;
as_mov(as, RAX, imm(0));
as_cmp(as, RAX, imm(0));
to_false_case = as_jmp_cc(as, CC_NOT_EQUAL, 0);
as_mov(as, R15, imm(43));
to_end = as_jmp(as, reld(0));
as_mark_jmp_slot_target(as, to_false_case);
as_mov(as, R15, imm(17));
as_mark_jmp_slot_target(as, to_end);
as_mov(as, RAX, imm(60));
as_mov(as, RDI, R15);
as_syscall(as);
as_save_elf(as, "test_instructions_for_if_true.elf");
as_clear(as);
as_mov(as, RAX, imm(5));
as_cmp(as, RAX, imm(0));
to_false_case = as_jmp_cc(as, CC_NOT_EQUAL, 0);
as_mov(as, R15, imm(43));
to_end = as_jmp(as, reld(0));
as_mark_jmp_slot_target(as, to_false_case);
as_mov(as, R15, imm(17));
as_mark_jmp_slot_target(as, to_end);
as_mov(as, RAX, imm(60));
as_mov(as, RDI, R15);
as_syscall(as);
as_save_elf(as, "test_instructions_for_if_false.elf");
as_destroy(as);
int status_code;
status_code = run_and_delete("test_instructions_for_if_true.elf", "./test_instructions_for_if_true.elf", NULL);
st_check_int(status_code, 43);
status_code = run_and_delete("test_instructions_for_if_false.elf", "./test_instructions_for_if_false.elf", NULL);
st_check_int(status_code, 17);
}
int main(){
Program prog("src/examples/recette.s");
Operand *Op1,*Op2, *Op3, *Op4, *Op5,*Op6;
OPRegister registr("$5",5,Src);
OPRegister registr0("$5",5,Dst);
OPRegister registr1("$6",6,Dst);
OPRegister registr2("$0",0,Src);
OPRegister registr3("$6",6,Src);
OPRegister registr4("$4",4,Dst);
OPRegister registr5("$4",4,Src);
OPImmediate imm("0xFFFF");
Directive dir("# Code avec des Nor");
Op1= ®istr;
Op2= ®istr0;
Op3= ®istr1;
Op4= ®istr2;
Op5= ®istr3;
Op6= ®istr4;
Line *ligne;
prog.display();
prog.del_line(0);
ligne = prog.find_line(0);
Instruction *inst = dynamic_cast< Instruction * > (ligne);
inst->set_opcode(lui);
inst->set_op1(Op6);
inst->set_op2(&imm);
inst->set_op3(NULL);
inst->set_number_oper(2);
ligne=prog.find_line(1);
Instruction *ins2 = dynamic_cast< Instruction * > (ligne);
ins2->set_opcode(and_);
Instruction ins3("ori $4,$4,0xFFFF",ori,R, ALU,Op6,®istr5,&imm,3);
Instruction ins4("xor $5,$4,$0",xor_,R, ALU,Op1,®istr5,Op4,3);
Instruction ins5("xor $4,$5,$6",xor_,R, ALU,Op3,®istr5,Op4,3);
prog.add_line_at(&ins3,1);
prog.add_line_at(&ins4,2);
prog.add_line_at(&ins5,3);
prog.display();
}
static void trapi(struct DisasmPara_PPC *dp,ppc_word in,unsigned char dmode)
{
char *cnd;
if (cnd = trap_condition[PPCGETD(in)]) {
dp->flags |= dmode;
sprintf(dp->opcode,"t%c%s",dmode?'d':'w',cnd);
imm(dp,in,0,2);
}
else
ill(dp,in);
}
void X86Compiler::_emitJcc(uint32_t code, const Label* label, uint32_t hint)
{
if (hint == kCondHintNone)
{
_emitInstruction(code, label);
}
else
{
Imm imm(hint);
_emitInstruction(code, label, &imm);
}
}
void test_write_elf() {
asm_p as = &(asm_t){ 0 };
as_new(as);
const char* text_ptr = "Hello World!\n";
size_t text_len = strlen(text_ptr);
size_t text_vaddr = as_data(as, text_ptr, text_len);
as_mov(as, RAX, imm(1)); // wirte
as_mov(as, RDI, imm(1)); // stdout
as_mov(as, RSI, imm(text_vaddr)); // text ptr
as_mov(as, RDX, imm(text_len)); // text len
as_syscall(as);
as_mov(as, RAX, imm(60)); // exit
as_mov(as, RDI, imm(1)); // exit code
as_syscall(as);
as_save_elf(as, "test_write_elf.elf");
as_destroy(as);
char* output = NULL;
int status_code = run_and_delete("test_write_elf.elf", "./test_write_elf.elf", &output);
st_check_int(status_code, 1);
st_check_str(output, text_ptr);
free(output);
}
void handle(int pass, instruction_t i, void (*emit)(int, instruction_t))
{
if (i.operand_count != 0)
{
fprintf(stderr, "Invalid arguments for 'rdc'\n");
exit(EXIT_FAILURE);
}
else
{
emit(pass, ins("mov", 2, imm(REQ_READ_CHAR), reg(REG_IO)));
}
}
RewriterVar* JitFragmentWriter::emitPPCall(void* func_addr, llvm::ArrayRef<RewriterVar*> args, int num_slots,
int slot_size, TypeRecorder* type_recorder) {
RewriterVar::SmallVector args_vec(args.begin(), args.end());
#if ENABLE_BASELINEJIT_ICS
RewriterVar* result = createNewVar();
addAction([=]() { this->_emitPPCall(result, func_addr, args_vec, num_slots, slot_size); }, args,
ActionType::NORMAL);
if (type_recorder)
return call(false, (void*)recordType, imm(type_recorder), result);
return result;
#else
assert(args_vec.size() < 7);
return call(false, func_addr, args_vec);
#endif
}
virtual V m_bang()
{
if(!ref.Ok() || !ref.Check()) {
/*
if(!frms)
post("%s - No length defined!",thisName());
else
*/
{
ImmBuf ibuf(frms,zero);
Vasp ret(frms,Vasp::Ref(ibuf));
ToOutVasp(0,ret);
}
}
else if(ref.Vectors() > 1)
post("%s - More than one vector in vasp!",thisName());
else {
VBuffer *buf = ref.Buffer(0);
const I len = buf->Length(),chns = buf->Channels();
// size of memory reservation (at least frms samples)
const I rlen = frms > len?frms:len;
ImmBuf imm(rlen,false);
BS *dst = imm.Pointer();
const BS *src = buf->Pointer();
// post("!copy: src: %p,%i,%i -> dst: %p,%i",src,len,chns,dst,rlen);
register int i;
_DE_LOOP(i,len, ( dst[i] = *src,src += chns ) )
if(zero && rlen > len) ZeroSamples(dst+len,rlen-len);
Vasp::Ref vr(imm);
// post("!vr: %s,%i",vr.Ok()?vr.Symbol().Name():"***",vr.Offset());
Vasp ret(len,vr);
ToOutVasp(0,ret);
delete buf;
}
}