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Use stringstream in asm generation instead of OutBuffer.

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Besides looking better, this should reduce allocations and copying.
This commit is contained in:
Frits van Bommel
2009-03-12 14:08:57 +01:00
parent c1bd2234a9
commit ff354d59b2
3 changed files with 99 additions and 127 deletions
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101
gen/asm-x86-32.h
View File

@@ -1206,7 +1206,7 @@ namespace AsmParserx8632
Scope * sc;
Token * token;
OutBuffer * insnTemplate;
std::ostringstream insnTemplate;
AsmOp op;
AsmOpInfo * opInfo;
@@ -1219,7 +1219,6 @@ namespace AsmParserx8632
this->sc = sc;
this->stmt = stmt;
token = stmt->tokens;
insnTemplate = new OutBuffer;
opInfo = NULL;
@@ -1450,8 +1449,7 @@ namespace AsmParserx8632
void setAsmCode()
{
AsmCode * asmcode = new AsmCode ( N_Regs );
asmcode->insnTemplateLen = insnTemplate->offset;
asmcode->insnTemplate = ( char* ) insnTemplate->extractData();
asmcode->insnTemplate = insnTemplate.str();
stmt->asmcode = ( code* ) asmcode;
}
@@ -1513,9 +1511,9 @@ namespace AsmParserx8632
{
case Arg_Integer:
if ( e->type->isunsigned() )
insnTemplate->printf ( "$%llu", e->toUInteger() );
insnTemplate << "$" << e->toUInteger();
else
insnTemplate->printf ( "$%lld", e->toInteger() );
insnTemplate << "$" << e->toInteger();
break;
case Arg_Pointer:
@@ -1536,10 +1534,10 @@ namespace AsmParserx8632
// osx needs an extra underscore
if ( global.params.os == OSMacOSX )
insnTemplate->writestring ( "_" );
insnTemplate << "_";
// print out the mangle
insnTemplate->writestring ( vd->mangle() );
insnTemplate << vd->mangle();
vd->nakedUse = true;
break;
}
@@ -1554,25 +1552,23 @@ namespace AsmParserx8632
}
else
{
insnTemplate->writestring ( ( char* ) fmt );
insnTemplate->printf ( "<<%s%d>>", ( mode==Mode_Input ) ?"in":"out", asmcode->args.size() );
insnTemplate << fmt
<< "<<" << (mode==Mode_Input ? "in" : "out") << asmcode->args.size() << ">>";
asmcode->args.push_back ( AsmArg ( type, e, mode ) );
}
}
void addOperand2 ( const char * fmtpre, const char * fmtpost, AsmArgType type, Expression * e, AsmCode * asmcode, AsmArgMode mode = Mode_Input )
{
assert ( !sc->func->naked );
insnTemplate->writestring ( ( char* ) fmtpre );
insnTemplate->printf ( "<<%s%d>>", ( mode==Mode_Input ) ?"in":"out", asmcode->args.size() );
insnTemplate->writestring ( ( char* ) fmtpost );
insnTemplate << fmtpre
<< "<<" << (mode==Mode_Input ? "in" : "out") << ">>"
<< fmtpost;
asmcode->args.push_back ( AsmArg ( type, e, mode ) );
}
void addLabel ( char* id )
{
insnTemplate->writestring ( sc->func->mangle() );
insnTemplate->writestring ( "_" );
insnTemplate->writestring ( id );
insnTemplate << sc->func->mangle() << "_" << id;
}
/* Determines whether the operand is a register, memory reference
@@ -1653,8 +1649,7 @@ namespace AsmParserx8632
void writeReg ( Reg reg )
{
insnTemplate->writestring ( ( char* ) "%" );
insnTemplate->write ( regInfo[reg].gccName.c_str(), regInfo[reg].gccName.length() );
insnTemplate << "%" << regInfo[reg].gccName;
}
bool opTakesLabel()
@@ -1726,7 +1721,7 @@ namespace AsmParserx8632
bool use_star;
AsmArgMode mode;
insnTemplate = new OutBuffer;
insnTemplate.str("");
// %% todo: special case for something..
if ( opInfo->linkType == Out_Mnemonic )
mnemonic = alternateMnemonics[opInfo->link];
@@ -1795,7 +1790,7 @@ namespace AsmParserx8632
else if ( op == Op_Branch )
{
if ( operands[0].dataSize == Far_Ptr ) // %% type=Far_Ptr not set by Seg:Ofss OTOH, we don't support that..
insnTemplate->writebyte ( 'l' );
insnTemplate << 'l';
}
else if ( op == Op_fxch || op == Op_FfdRR_P || op == Op_FidR_P )
{
@@ -1837,11 +1832,10 @@ namespace AsmParserx8632
{
int mlen = strlen ( mnemonic );
if ( mnemonic[mlen-1] == 'd' )
insnTemplate->write ( mnemonic, mlen-1 );
insnTemplate.write(mnemonic, mlen-1);
else
{
insnTemplate->writestring ( ( char* ) mnemonic );
insnTemplate->writebyte ( 'w' );
insnTemplate << mnemonic << 'w';
}
}
break;
@@ -1856,12 +1850,11 @@ namespace AsmParserx8632
int mlen = strlen ( mnemonic );
if ( mnemonic[mlen-1] == 'd' )
{
insnTemplate->write ( mnemonic, mlen-1 );
insnTemplate->writebyte ( 'l' );
insnTemplate.write(mnemonic, mlen-1) << 'l';
}
else
{
insnTemplate->writestring ( ( char* ) mnemonic );
insnTemplate << mnemonic;
}
}
break;
@@ -1888,15 +1881,13 @@ namespace AsmParserx8632
return false;
}
assert ( type_char != 0 );
insnTemplate->write ( mnemonic, mlen-1 );
insnTemplate->writebyte ( tc_1 );
insnTemplate->writebyte ( type_char );
insnTemplate.write(mnemonic, mlen-1) << tc_1 << type_char;
}
break;
default:
insnTemplate->writestring ( ( char* ) mnemonic );
insnTemplate << mnemonic;
if ( type_char )
insnTemplate->writebyte ( type_char );
insnTemplate << type_char;
break;
}
@@ -1950,12 +1941,12 @@ namespace AsmParserx8632
asmcode->regs[Reg_EDX] = true;
}
insnTemplate->writebyte ( ' ' );
insnTemplate << ' ';
for ( int i__ = 0; i__ < nOperands; i__++ )
{
int i;
if ( i__ != 0 )
insnTemplate->writestring ( ( char* ) ", " );
insnTemplate << ", ";
fmt = "$";
@@ -2003,7 +1994,7 @@ namespace AsmParserx8632
addOperand ( "$", Arg_LocalSize,
( Expression * ) operand->symbolDisplacement.data[0], asmcode );
if ( operand->constDisplacement )
insnTemplate->writebyte ( '+' );
insnTemplate << '+';
else
break;
}
@@ -2016,7 +2007,7 @@ namespace AsmParserx8632
asmcode );
if ( operand->constDisplacement )
insnTemplate->writebyte ( '+' );
insnTemplate << '+';
else
// skip the addOperand(fmt, Arg_Integer...) below
break;
@@ -2033,11 +2024,11 @@ namespace AsmParserx8632
}
}
if ( opTakesLabel() /*opInfo->takesLabel()*/ )
insnTemplate->writebyte ( '*' );
insnTemplate << '*';
writeReg ( operand->reg );
/*
insnTemplate->writestring("%");
insnTemplate->writestring(regInfo[operand->reg].name);
insnTemplate << "%";
insnTemplate << regInfo[operand->reg].name;
*/
break;
case Opr_Mem:
@@ -2061,8 +2052,7 @@ namespace AsmParserx8632
{
if ( operand->symbolDisplacement.dim )
{
insnTemplate->printf ( "%d", operand->constDisplacement );
insnTemplate->writebyte ( '+' );
insnTemplate << operand->constDisplacement << '+';
}
//addOperand(fmt, Arg_Integer, newIntExp(operand->constDisplacement), asmcode);
if ( opInfo->operands[i] & Opr_Dest )
@@ -2072,7 +2062,7 @@ namespace AsmParserx8632
if ( operand->segmentPrefix != Reg_Invalid )
{
writeReg ( operand->segmentPrefix );
insnTemplate->writebyte ( ':' );
insnTemplate << ':';
}
if ( operand->symbolDisplacement.dim )
{
@@ -2163,15 +2153,15 @@ namespace AsmParserx8632
// simply write out the mangle
// on osx, prepend extra _
if ( global.params.os == OSMacOSX )
insnTemplate->writestring ( "_" );
insnTemplate->writestring ( decl->mangle() );
insnTemplate << "_";
insnTemplate << decl->mangle();
// addOperand2("${", ":c}", Arg_Pointer, e, asmcode);
}
else
{
if ( use_star )
{
insnTemplate->writebyte ( '*' );
insnTemplate << '*';
use_star = false;
}
@@ -2187,28 +2177,28 @@ namespace AsmParserx8632
}
}
if ( use_star )
insnTemplate->writebyte ( '*' );
insnTemplate << '*';
if ( operand->segmentPrefix != Reg_Invalid && !(operand->constDisplacement) )
{
insnTemplate->printf ( "%d", operand->constDisplacement );
insnTemplate << operand->constDisplacement;
if ( opInfo->operands[i] & Opr_Dest )
asmcode->clobbersMemory = 1;
}
if ( operand->baseReg != Reg_Invalid || operand->indexReg != Reg_Invalid )
{
insnTemplate->writebyte ( '(' );
insnTemplate << '(';
if ( operand->baseReg != Reg_Invalid )
writeReg ( operand->baseReg );
if ( operand->indexReg != Reg_Invalid )
{
insnTemplate->writebyte ( ',' );
insnTemplate << ',';
writeReg ( operand->indexReg );
if ( operand->scale )
{
insnTemplate->printf ( ",%d", operand->scale );
insnTemplate << "," << operand->scale;
}
}
insnTemplate->writebyte ( ')' );
insnTemplate << ')';
if ( opInfo->operands[i] & Opr_Dest )
asmcode->clobbersMemory = 1;
}
@@ -2218,8 +2208,7 @@ namespace AsmParserx8632
}
}
asmcode->insnTemplateLen = insnTemplate->offset;
asmcode->insnTemplate = ( char* ) insnTemplate->extractData();
asmcode->insnTemplate = insnTemplate.str();
return true;
}
@@ -2891,9 +2880,9 @@ namespace AsmParserx8632
//FIXME: This printf is not portable. The use of `align` varies from system to system;
// on i386 using a.out, .align `n` will align on a 2^`n` boundary instead of an `n` boundary
#ifdef HAVE_GAS_BALIGN_AND_P2ALIGN
insnTemplate->printf ( ".balign\t%u", ( unsigned ) align );
insnTemplate << ".balign\t" << align;
#else
insnTemplate->printf ( ".align\t%u", ( unsigned ) align );
insnTemplate << ".align\t" << align;
#endif
}
else
@@ -2908,9 +2897,9 @@ namespace AsmParserx8632
{
// .align for GAS is in bits, others probably use bytes..
#ifdef HAVE_GAS_BALIGN_AND_P2ALIGN
insnTemplate->writestring ( ( char * ) ".align\t2" );
insnTemplate << ".align\t2";
#else
insnTemplate->writestring ( ( char * ) ".align\t2" );
insnTemplate << ".align\t2";
#endif
setAsmCode();
}

101
gen/asm-x86-64.h
View File

@@ -1328,7 +1328,7 @@ namespace AsmParserx8664
Scope * sc;
Token * token;
OutBuffer * insnTemplate;
std::ostringstream insnTemplate;
AsmOp op;
AsmOpInfo * opInfo;
@@ -1341,7 +1341,6 @@ namespace AsmParserx8664
this->sc = sc;
this->stmt = stmt;
token = stmt->tokens;
insnTemplate = new OutBuffer;
opInfo = NULL;
@@ -1572,8 +1571,7 @@ namespace AsmParserx8664
void setAsmCode()
{
AsmCode * asmcode = new AsmCode ( N_Regs );
asmcode->insnTemplateLen = insnTemplate->offset;
asmcode->insnTemplate = ( char* ) insnTemplate->extractData();
asmcode->insnTemplate = insnTemplate.str();
stmt->asmcode = ( code* ) asmcode;
}
@@ -1635,9 +1633,9 @@ namespace AsmParserx8664
{
case Arg_Integer:
if ( e->type->isunsigned() )
insnTemplate->printf ( "$%llu", e->toUInteger() );
insnTemplate << "$" << e->toUInteger();
else
insnTemplate->printf ( "$%lld", e->toInteger() );
insnTemplate << "$" << e->toInteger();
break;
case Arg_Pointer:
@@ -1658,10 +1656,10 @@ namespace AsmParserx8664
// osx needs an extra underscore
if ( global.params.os == OSMacOSX )
insnTemplate->writestring ( "_" );
insnTemplate << "_";
// print out the mangle
insnTemplate->writestring ( vd->mangle() );
insnTemplate << vd->mangle();
vd->nakedUse = true;
break;
}
@@ -1676,25 +1674,23 @@ namespace AsmParserx8664
}
else
{
insnTemplate->writestring ( ( char* ) fmt );
insnTemplate->printf ( "<<%s%d>>", ( mode==Mode_Input ) ?"in":"out", asmcode->args.size() );
insnTemplate << fmt
<< "<<" << (mode==Mode_Input ? "in" : "out") << asmcode->args.size() << ">>";
asmcode->args.push_back ( AsmArg ( type, e, mode ) );
}
}
void addOperand2 ( const char * fmtpre, const char * fmtpost, AsmArgType type, Expression * e, AsmCode * asmcode, AsmArgMode mode = Mode_Input )
{
assert ( !sc->func->naked );
insnTemplate->writestring ( ( char* ) fmtpre );
insnTemplate->printf ( "<<%s%d>>", ( mode==Mode_Input ) ?"in":"out", asmcode->args.size() );
insnTemplate->writestring ( ( char* ) fmtpost );
insnTemplate << fmtpre
<< "<<" << (mode==Mode_Input ? "in" : "out") << ">>"
<< fmtpost;
asmcode->args.push_back ( AsmArg ( type, e, mode ) );
}
void addLabel ( char* id )
{
insnTemplate->writestring ( sc->func->mangle() );
insnTemplate->writestring ( "_" );
insnTemplate->writestring ( id );
insnTemplate << sc->func->mangle() << "_" << id;
}
/* Determines whether the operand is a register, memory reference
@@ -1778,8 +1774,7 @@ namespace AsmParserx8664
void writeReg ( Reg reg )
{
insnTemplate->writestring ( ( char* ) "%" );
insnTemplate->write ( regInfo[reg].gccName.c_str(), regInfo[reg].gccName.length() );
insnTemplate << "%" << regInfo[reg].gccName;
}
bool opTakesLabel()
@@ -1852,7 +1847,7 @@ namespace AsmParserx8664
bool use_star;
AsmArgMode mode;
insnTemplate = new OutBuffer;
insnTemplate.str("");
// %% todo: special case for something..
if ( opInfo->linkType == Out_Mnemonic )
mnemonic = alternateMnemonics[opInfo->link];
@@ -1921,7 +1916,7 @@ namespace AsmParserx8664
else if ( op == Op_Branch )
{
if ( operands[0].dataSize == Far_Ptr ) // %% type=Far_Ptr not set by Seg:Ofss OTOH, we don't support that..
insnTemplate->writebyte ( 'l' );
insnTemplate << 'l';
}
else if ( op == Op_fxch || op == Op_FfdRR_P || op == Op_FidR_P )
{
@@ -1959,11 +1954,10 @@ namespace AsmParserx8664
{
int mlen = strlen ( mnemonic );
if ( mnemonic[mlen-1] == 'd' )
insnTemplate->write ( mnemonic, mlen-1 );
insnTemplate.write(mnemonic, mlen-1);
else
{
insnTemplate->writestring ( ( char* ) mnemonic );
insnTemplate->writebyte ( 'w' );
insnTemplate << mnemonic << 'w';
}
}
break;
@@ -1978,12 +1972,11 @@ namespace AsmParserx8664
int mlen = strlen ( mnemonic );
if ( mnemonic[mlen-1] == 'd' )
{
insnTemplate->write ( mnemonic, mlen-1 );
insnTemplate->writebyte ( 'l' );
insnTemplate.write(mnemonic, mlen-1) << 'l';
}
else
{
insnTemplate->writestring ( ( char* ) mnemonic );
insnTemplate << mnemonic;
}
}
break;
@@ -2010,15 +2003,13 @@ namespace AsmParserx8664
return false;
}
assert ( type_char != 0 );
insnTemplate->write ( mnemonic, mlen-1 );
insnTemplate->writebyte ( tc_1 );
insnTemplate->writebyte ( type_char );
insnTemplate.write(mnemonic, mlen-1) << tc_1 << type_char;
}
break;
default:
insnTemplate->writestring ( ( char* ) mnemonic );
insnTemplate << mnemonic;
if ( type_char )
insnTemplate->writebyte ( type_char );
insnTemplate << type_char;
break;
}
@@ -2072,12 +2063,12 @@ namespace AsmParserx8664
asmcode->regs[Reg_EDX] = true;
}
insnTemplate->writebyte ( ' ' );
insnTemplate << ' ';
for ( int i__ = 0; i__ < nOperands; i__++ )
{
int i;
if ( i__ != 0 )
insnTemplate->writestring ( ( char* ) ", " );
insnTemplate << ", ";
fmt = "$";
@@ -2125,7 +2116,7 @@ namespace AsmParserx8664
addOperand ( "$", Arg_LocalSize,
( Expression * ) operand->symbolDisplacement.data[0], asmcode );
if ( operand->constDisplacement )
insnTemplate->writebyte ( '+' );
insnTemplate << '+';
else
break;
}
@@ -2138,7 +2129,7 @@ namespace AsmParserx8664
asmcode );
if ( operand->constDisplacement )
insnTemplate->writebyte ( '+' );
insnTemplate << '+';
else
// skip the addOperand(fmt, Arg_Integer...) below
break;
@@ -2155,11 +2146,11 @@ namespace AsmParserx8664
}
}
if ( opTakesLabel() /*opInfo->takesLabel()*/ )
insnTemplate->writebyte ( '*' );
insnTemplate << '*';
writeReg ( operand->reg );
/*
insnTemplate->writestring("%");
insnTemplate->writestring(regInfo[operand->reg].name);
insnTemplate << "%";
insnTemplate << regInfo[operand->reg].name;
*/
break;
case Opr_Mem:
@@ -2183,8 +2174,7 @@ namespace AsmParserx8664
{
if ( operand->symbolDisplacement.dim )
{
insnTemplate->printf ( "%d", operand->constDisplacement );
insnTemplate->writebyte ( '+' );
insnTemplate << operand->constDisplacement << '+';
}
//addOperand(fmt, Arg_Integer, newIntExp(operand->constDisplacement), asmcode);
if ( opInfo->operands[i] & Opr_Dest )
@@ -2194,7 +2184,7 @@ namespace AsmParserx8664
if ( operand->segmentPrefix != Reg_Invalid )
{
writeReg ( operand->segmentPrefix );
insnTemplate->writebyte ( ':' );
insnTemplate << ':';
}
if ( operand->symbolDisplacement.dim )
{
@@ -2285,15 +2275,15 @@ namespace AsmParserx8664
// simply write out the mangle
// on osx, prepend extra _
if ( global.params.os == OSMacOSX )
insnTemplate->writestring ( "_" );
insnTemplate->writestring ( decl->mangle() );
insnTemplate << "_";
insnTemplate << decl->mangle();
// addOperand2("${", ":c}", Arg_Pointer, e, asmcode);
}
else
{
if ( use_star )
{
insnTemplate->writebyte ( '*' );
insnTemplate << '*';
use_star = false;
}
@@ -2309,28 +2299,28 @@ namespace AsmParserx8664
}
}
if ( use_star )
insnTemplate->writebyte ( '*' );
insnTemplate << '*';
if ( operand->segmentPrefix != Reg_Invalid && !(operand->constDisplacement))
{
insnTemplate->printf ( "%d", operand->constDisplacement );
insnTemplate << operand->constDisplacement;
if ( opInfo->operands[i] & Opr_Dest )
asmcode->clobbersMemory = 1;
}
if ( operand->baseReg != Reg_Invalid || operand->indexReg != Reg_Invalid )
{
insnTemplate->writebyte ( '(' );
insnTemplate << '(';
if ( operand->baseReg != Reg_Invalid )
writeReg ( operand->baseReg );
if ( operand->indexReg != Reg_Invalid )
{
insnTemplate->writebyte ( ',' );
insnTemplate << ',';
writeReg ( operand->indexReg );
if ( operand->scale )
{
insnTemplate->printf ( ",%d", operand->scale );
insnTemplate << "," << operand->scale;
}
}
insnTemplate->writebyte ( ')' );
insnTemplate << ')';
if ( opInfo->operands[i] & Opr_Dest )
asmcode->clobbersMemory = 1;
}
@@ -2340,8 +2330,7 @@ namespace AsmParserx8664
}
}
asmcode->insnTemplateLen = insnTemplate->offset;
asmcode->insnTemplate = ( char* ) insnTemplate->extractData();
asmcode->insnTemplate = insnTemplate.str();
return true;
}
@@ -3016,9 +3005,9 @@ namespace AsmParserx8664
//FIXME: This printf is not portable. The use of `align` varies from system to system;
// on i386 using a.out, .align `n` will align on a 2^`n` boundary instead of an `n` boundary
#ifdef HAVE_GAS_BALIGN_AND_P2ALIGN
insnTemplate->printf ( ".balign\t%u", ( unsigned ) align );
insnTemplate << ".balign\t" << align;
#else
insnTemplate->printf ( ".align\t%u", ( unsigned ) align );
insnTemplate << ".align\t" << align;
#endif
}
else
@@ -3033,9 +3022,9 @@ namespace AsmParserx8664
{
// .align for GAS is in bits, others probably use bytes..
#ifdef HAVE_GAS_BALIGN_AND_P2ALIGN
insnTemplate->writestring ( ( char * ) ".align\t2" );
insnTemplate << ".align\t2";
#else
insnTemplate->writestring ( ( char * ) ".align\t2" );
insnTemplate << ".align\t2";
#endif
setAsmCode();
}

24
gen/asmstmt.cpp
View File

@@ -15,6 +15,8 @@
#include <cassert>
#include <deque>
#include <cstring>
#include <string>
#include <sstream>
//#include "d-lang.h"
//#include "d-codegen.h"
@@ -54,15 +56,12 @@ struct AsmArg {
};
struct AsmCode {
char * insnTemplate;
unsigned insnTemplateLen;
std::string insnTemplate;
std::vector<AsmArg> args;
std::vector<bool> regs;
unsigned dollarLabel;
int clobbersMemory;
AsmCode(int n_regs) {
insnTemplate = NULL;
insnTemplateLen = 0;
regs.resize(n_regs, false);
dollarLabel = 0;
clobbersMemory = 0;
@@ -314,7 +313,6 @@ assert(0);
clobbers.push_back(memory_name);
// }
// Remap argument numbers
for (unsigned i = 0; i < code->args.size(); i++) {
if (arg_map[i] < 0)
@@ -322,8 +320,9 @@ assert(0);
}
bool pct = false;
char * p = code->insnTemplate;
char * q = p + code->insnTemplateLen;
std::string::iterator
p = code->insnTemplate.begin(),
q = code->insnTemplate.end();
//printf("start: %.*s\n", code->insnTemplateLen, code->insnTemplate);
while (p < q) {
if (pct) {
@@ -342,7 +341,7 @@ assert(0);
typedef std::vector<std::string>::iterator It;
if (Logger::enabled()) {
Logger::println("final asm: %.*s", code->insnTemplateLen, code->insnTemplate);
Logger::cout() << "final asm: " << code->insnTemplate << '\n';
std::ostringstream ss;
ss << "GCC-style output constraints: {";
@@ -369,8 +368,6 @@ assert(0);
Logger::println("%s", ss.str().c_str());
}
std::string insnt(code->insnTemplate, code->insnTemplateLen);
// rewrite GCC-style constraints to LLVM-style constraints
std::string llvmOutConstraints;
std::string llvmInConstraints;
@@ -433,7 +430,7 @@ assert(0);
// push asm statement
IRAsmStmt* asmStmt = new IRAsmStmt;
asmStmt->code = insnt;
asmStmt->code = code->insnTemplate;
asmStmt->out_c = llvmOutConstraints;
asmStmt->in_c = llvmInConstraints;
asmStmt->out.insert(asmStmt->out.begin(), output_values.begin(), output_values.end());
@@ -825,10 +822,7 @@ void AsmStatement::toNakedIR(IRState *p)
AsmCode * code = (AsmCode *) asmcode;
// build asm stmt
std::ostringstream& asmstr = p->nakedAsm;
asmstr << "\t";
asmstr.write(code->insnTemplate, code->insnTemplateLen);
asmstr << std::endl;
p->nakedAsm << "\t" << code->insnTemplate << std::endl;
}
void AsmBlockStatement::toNakedIR(IRState *p)