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[svn r245] initial support for labels in inline asm, broken :/

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This commit is contained in:
Tomas Lindquist Olsen
2008-06-07 21:31:38 +02:00
parent c91aea5c66
commit 187d6523e3
4 changed files with 86 additions and 41 deletions
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65
gen/asmstmt.cpp
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@@ -68,7 +68,10 @@ struct AsmCode {
};
llvm::InlineAsm*
d_build_asm_stmt(std::string code, std::deque<DValue*> const& output_values, std::deque<DValue*> const& input_values, std::string constraints)
d_build_asm_stmt(std::string const& code,
std::deque<LLValue*> const& output_values,
std::deque<LLValue*> const& input_values,
std::string const& constraints)
{
std::vector<const LLType*> params;
@@ -77,7 +80,7 @@ d_build_asm_stmt(std::string code, std::deque<DValue*> const& output_values, std
if (!output_values.empty())
{
assert(output_values.size() == 1);
const LLType* llty = DtoType(output_values[0]->getType());
const LLType* llty = output_values[0]->getType();
std::cout << "out: " << *llty << '\n';
params.push_back(llty);
}
@@ -86,7 +89,7 @@ d_build_asm_stmt(std::string code, std::deque<DValue*> const& output_values, std
if (!input_values.empty())
{
assert(input_values.size() == 1);
const LLType* llty = DtoType(input_values[0]->getType());
const LLType* llty = input_values[0]->getType();
std::cout << "in: " << *llty << '\n';
params.push_back(llty);
}
@@ -256,15 +259,16 @@ AsmStatement::toIR(IRState * irs)
static std::string i_cns = "i";
static std::string p_cns = "m";
static std::string l_cns = "X";
static std::string m_cns = "*m";
static std::string mw_cns = "=*m";
static std::string mrw_cns = "+*m";
static std::string memory_name = "memory";
AsmCode * code = (AsmCode *) asmcode;
std::deque<DValue*> input_values;
std::deque<LLValue*> input_values;
std::deque<std::string> input_constraints;
std::deque<DValue*> output_values;
std::deque<LLValue*> output_values;
std::deque<std::string> output_constraints;
std::deque<std::string> clobbers;
@@ -282,22 +286,37 @@ AsmStatement::toIR(IRState * irs)
AsmArg * arg = (AsmArg *) code->args.data[i];
bool is_input = true;
DValue* arg_val = 0;
LLValue* arg_val = 0;
std::string cns;
std::cout << std::endl;
switch (arg->type) {
case Arg_Integer:
arg_val = arg->expr->toElem(irs);
arg_val = arg->expr->toElem(irs)->getRVal();
do_integer:
cns = i_cns;
break;
case Arg_Pointer:
// FIXME
std::cout << "asm fixme Arg_Pointer" << std::endl;
arg_val = arg->expr->toElem(irs);
arg_val = new DVarValue(arg_val->getType()->pointerTo(), arg_val->getRVal(), true);
if (arg->expr->op == TOKdsymbol)
{
DsymbolExp* dse = (DsymbolExp*)arg->expr;
LabelDsymbol* lbl = dse->s->isLabel();
assert(lbl);
arg_val = lbl->statement->llvmBB;
if (!arg_val)
{
arg_val = lbl->statement->llvmBB = llvm::BasicBlock::Create("label", irs->topfunc());
}
cns = l_cns;
}
else
{
arg_val = arg->expr->toElem(irs)->getRVal();
cns = p_cns;
}
/*if (arg->expr->op == TOKvar)
arg_val = arg->expr->toElem(irs);
else if (arg->expr->op == TOKdsymbol)
@@ -305,15 +324,15 @@ std::cout << "asm fixme Arg_Pointer" << std::endl;
else
assert(0);*/
cns = p_cns;
break;
case Arg_Memory:
// FIXME
std::cout << "asm fixme Arg_Memory" << std::endl;
if (arg->expr->op == TOKvar)
arg_val = arg->expr->toElem(irs);
else
arg_val = arg->expr->toElem(irs);
arg_val = arg->expr->toElem(irs)->getRVal();
// if (arg->expr->op == TOKvar)
// arg_val = arg->expr->toElem(irs);
// else
// arg_val = arg->expr->toElem(irs);
switch (arg->mode) {
case Mode_Input: cns = m_cns; break;
@@ -325,6 +344,7 @@ std::cout << "asm fixme Arg_Memory" << std::endl;
case Arg_FrameRelative:
// FIXME
std::cout << "asm fixme Arg_FrameRelative" << std::endl;
assert(0);
/* if (arg->expr->op == TOKvar)
arg_val = ((VarExp *) arg->expr)->var->toSymbol()->Stree;
else
@@ -342,6 +362,7 @@ std::cout << "asm fixme Arg_FrameRelative" << std::endl;
case Arg_LocalSize:
// FIXME
std::cout << "asm fixme Arg_LocalSize" << std::endl;
assert(0);
/* var_frame_offset = cfun->x_frame_offset;
if (var_frame_offset < 0)
var_frame_offset = - var_frame_offset;
@@ -460,26 +481,14 @@ std::cout << *t << std::endl;
size_t cn = output_values.size();
for (size_t i=0; i<cn; ++i)
{
LLValue* val = output_values[i]->getRVal();
callargs.push_back(val);
callargs.push_back(output_values[i]);
}
cn = input_values.size();
for (size_t i=0; i<cn; ++i)
{
// FIXME: these should not be allowed to intermix with asm calls. they should somehow
// be outputted before any asm from a block, or the asm's should be moved after ...
LLValue* val = input_values[i]->getRVal();
callargs.push_back(val);
callargs.push_back(input_values[i]);
}
llvm::CallInst* call = irs->ir->CreateCall(t, callargs.begin(), callargs.end(), "");
/*
// FIXME
//ASM_VOLATILE_P( t ) = 1;
//irs->addExp( t );
if (code->dollarLabel)
d_expand_priv_asm_label(irs, code->dollarLabel);
*/
}