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Merge wilsonk's x86-64 inline assembly.

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This commit is contained in:
Christian Kamm
2008-11-08 22:29:19 +01:00
parent d41bcb5312
commit bc80a83666
5 changed files with 2876 additions and 48 deletions
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46
gen/asmstmt.cpp
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@@ -57,13 +57,13 @@ struct AsmCode {
char * insnTemplate;
unsigned insnTemplateLen;
Array args; // of AsmArg
unsigned moreRegs;
std::vector<bool> regs;
unsigned dollarLabel;
int clobbersMemory;
AsmCode() {
AsmCode(int n_regs) {
insnTemplate = NULL;
insnTemplateLen = 0;
moreRegs = 0;
regs.resize(n_regs, false);
dollarLabel = 0;
clobbersMemory = 0;
}
@@ -77,7 +77,6 @@ AsmStatement::AsmStatement(Loc loc, Token *tokens) :
asmalign = 0;
refparam = 0;
naked = 0;
regs = 0;
isBranchToLabel = NULL;
}
@@ -89,7 +88,6 @@ Statement *AsmStatement::syntaxCopy()
a_s->asmcode = asmcode;
a_s->refparam = refparam;
a_s->naked = naked;
a_s->regs = a_s->regs;
return a_s;
}
@@ -130,15 +128,22 @@ int AsmStatement::comeFrom()
return FALSE;
}
struct AsmParserCommon
{
virtual void run(Scope* sc, AsmStatement* asmst) = 0;
virtual std::string getRegName(int i) = 0;
};
AsmParserCommon* asmparser = NULL;
#include "d-asm-i386.h"
#include "asm-x86-32.h"
#include "asm-x86-64.h"
bool d_have_inline_asm() { return true; }
Statement *AsmStatement::semantic(Scope *sc)
{
bool err = false;
if (global.params.cpu != ARCHx86)
if ((global.params.cpu != ARCHx86) && (global.params.cpu != ARCHx86_64))
{
error("inline asm is not supported for the \"%s\" architecture", global.params.llvmArch);
err = true;
@@ -160,8 +165,14 @@ Statement *AsmStatement::semantic(Scope *sc)
if (! tokens)
return this;
AsmProcessor ap(sc, this);
ap.run();
if (!asmparser)
if (global.params.cpu == ARCHx86)
asmparser = new AsmParserx8632::AsmParser;
else if (global.params.cpu == ARCHx86_64)
asmparser = new AsmParserx8664::AsmParser;
asmparser->run(sc, this);
return this;
}
@@ -251,7 +262,7 @@ assert(0);
/* if (arg->expr->op == TOKvar)
arg_val = ((VarExp *) arg->expr)->var->toSymbol()->Stree;
else
assert(0);*/
assert(0);
if ( getFrameRelativeValue(arg_val, & var_frame_offset) ) {
// arg_val = irs->integerConstant(var_frame_offset);
cns = i_cns;
@@ -261,7 +272,7 @@ assert(0);
}
if (arg->mode != Mode_Input)
clobbers_mem = true;
break;
break;*/
case Arg_LocalSize:
// FIXME
std::cout << "asm fixme Arg_LocalSize" << std::endl;
@@ -294,16 +305,11 @@ assert(0);
// FIXME
// if (! irs->func->naked) {
for (int i = 0; i < 32; i++) {
if (regs & (1 << i)) {
assert(asmparser);
for (int i = 0; i < code->regs.size(); i++) {
if (code->regs[i]) {
//clobbers.cons(NULL_TREE, regInfo[i].gccName);
clobbers.push_back(regInfo[i].gccName);
}
}
for (int i = 0; i < 32; i++) {
if (code->moreRegs & (1 << (i-32))) {
//clobbers.cons(NULL_TREE, regInfo[i].gccName);
clobbers.push_back(regInfo[i].gccName);
clobbers.push_back(asmparser->getRegName(i));
}
}
if (clobbers_mem)