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asmjit_expr.cc
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#include "asmjit_common.h"
namespace jit = asmjit;
namespace x86 = asmjit::x86;
extern "C" {
static bool JitSessionInitialized = false;
static jit::JitRuntime Runtime;
static void ResOwnerReleaseJitContext(Datum res) {
AsmJitContext *Context = (AsmJitContext *)DatumGetPointer(res);
Context->resowner = NULL;
jit_release_context((JitContext *)Context);
}
static const ResourceOwnerDesc jit_resowner_desc = {
.name = "AsmJit context",
.release_phase = RESOURCE_RELEASE_BEFORE_LOCKS,
.release_priority = RELEASE_PRIO_JIT_CONTEXTS,
.ReleaseResource = ResOwnerReleaseJitContext,
.DebugPrint = NULL /* the default message is fine */
};
/* Convenience wrappers over ResourceOwnerRemember/Forget */
static inline void ResourceOwnerRememberJIT(ResourceOwner owner,
AsmJitContext *handle) {
ResourceOwnerRemember(owner, PointerGetDatum(handle), &jit_resowner_desc);
}
static inline void ResourceOwnerForgetJIT(ResourceOwner owner,
AsmJitContext *handle) {
ResourceOwnerForget(owner, PointerGetDatum(handle), &jit_resowner_desc);
}
void AsmJitReleaseContext(JitContext *Ctx) {
AsmJitContext *Context = (AsmJitContext *)Ctx;
ListCell *FnCell;
/*
* Copy&pasted from llvmjit.c
* When this backend is exiting, don't clean up LLVM. As an error might
* have occurred from within LLVM, we do not want to risk reentering. All
* resource cleanup is going to happen through process exit.
*/
if (proc_exit_inprogress)
return;
foreach (FnCell, Context->funcs) {
ExprStateEvalFunc EvalFunc = (ExprStateEvalFunc)lfirst(FnCell);
Runtime.release(EvalFunc);
}
list_free(Context->funcs);
Context->funcs = NIL;
if (Context->resowner)
ResourceOwnerForgetJIT(Context->resowner, Context);
}
void AsmJitResetAfterError(void) { /* TODO */ }
static void JitInitializeSession(void) {
if (JitSessionInitialized)
return;
JitSessionInitialized = true;
}
static AsmJitContext *JitCreateContext(int JitFlags) {
JitInitializeSession();
ResourceOwnerEnlarge(CurrentResourceOwner);
AsmJitContext *Context = (AsmJitContext *)MemoryContextAllocZero(
TopMemoryContext, sizeof(AsmJitContext));
Context->base.flags = JitFlags;
Context->funcs = NIL;
/* ensure cleanup */
Context->resowner = CurrentResourceOwner;
ResourceOwnerRememberJIT(CurrentResourceOwner, Context);
return Context;
}
static Datum ExecCompiledExpr(ExprState *State, ExprContext *EContext,
bool *IsNull) {
ExprStateEvalFunc Func = (ExprStateEvalFunc)State->evalfunc_private;
State->evalfunc = Func;
State->evalfunc_private = nullptr;
/*
* Before executing the generated expression, we should make sure the
* expression is still valid.
*/
CheckExprStillValid(State, EContext);
return Func(State, EContext, IsNull);
}
bool AsmJitCompileExpr(ExprState *State) {
PlanState *Parent = State->parent;
AsmJitContext *Context = nullptr;
instr_time CodeGenStartTime, CodeGenEndTime, DeformStartTime, DeformEndTime;
/*
* Right now we don't support compiling expressions without a parent, as
* we need access to the EState.
*/
Assert(Parent);
/* get or create JIT context */
if (Parent->state->es_jit) {
Context = (AsmJitContext *)Parent->state->es_jit;
} else {
Context = JitCreateContext(Parent->state->es_jit_flags);
Parent->state->es_jit = &Context->base;
}
INSTR_TIME_SET_CURRENT(CodeGenStartTime);
jit::CodeHolder Code;
Code.init(Runtime.environment(), Runtime.cpuFeatures());
x86::Compiler Jitcc(&Code);
/*
* Datum ExprStateEvalFunc(struct ExprState *expression,
* struct ExprContext *econtext,
* bool *isNull);
*/
jit::FuncNode *JittedFunc = Jitcc.addFunc(
jit::FuncSignature::build<Datum, ExprState *, ExprContext *, bool *>());
x86::Gp v_state = Jitcc.newUIntPtr("v_state.uintptr"),
v_econtext = Jitcc.newUIntPtr("v_econtext.uintptr"),
v_isnullp = Jitcc.newUIntPtr("v_isnullp.uintptr");
JittedFunc->setArg(0, v_state);
JittedFunc->setArg(1, v_econtext);
JittedFunc->setArg(2, v_isnullp);
jit::Label *L_opblocks =
(jit::Label *)palloc(State->steps_len * sizeof(jit::Label));
for (int opno = 0; opno < State->steps_len; ++opno)
L_opblocks[opno] = Jitcc.newLabel();
for (int opno = 0; opno < State->steps_len; ++opno) {
ExprEvalStep *op = &State->steps[opno];
ExprEvalOp opcode = ExecEvalStepOp(State, op);
Jitcc.bind(L_opblocks[opno]);
#define BuildEvalXFunc2(Func) \
do { \
jit::InvokeNode *JitFunc; \
Jitcc.invoke( \
&JitFunc, jit::imm(Func), \
jit::FuncSignature::build<void, ExprState *, ExprEvalStep *>()); \
JitFunc->setArg(0, v_state); \
JitFunc->setArg(1, jit::imm(op)); \
} while (0);
#define BuildEvalXFunc3(Func) \
do { \
jit::InvokeNode *JitFunc; \
Jitcc.invoke(&JitFunc, jit::imm(Func), \
jit::FuncSignature::build<void, ExprState *, ExprEvalStep *, \
ExprContext *>()); \
JitFunc->setArg(0, v_state); \
JitFunc->setArg(1, jit::imm(op)); \
JitFunc->setArg(2, v_econtext); \
} while (0);
switch (opcode) {
case EEOP_DONE: {
/* Load expression->resvalue and expression->resnull */
x86::Gp v_resvalue = emit_load_resvalue_from_ExprState(Jitcc, v_state),
v_resnull = emit_load_resnull_from_ExprState(Jitcc, v_state);
/* *isnull = expression->resnull */
EmitStoreToArray(Jitcc, v_isnullp, 0, v_resnull, sizeof(bool));
/* return expression->resvalue */
Jitcc.ret(v_resvalue);
Jitcc.endFunc();
break;
}
case EEOP_INNER_FETCHSOME:
case EEOP_OUTER_FETCHSOME:
case EEOP_SCAN_FETCHSOME: {
const TupleTableSlotOps *tts_ops =
op->d.fetch.fixed ? op->d.fetch.kind : nullptr;
TupleDesc desc = op->d.fetch.known_desc;
TupleDeformingFunc jit_deform = nullptr;
/* Step should not have been generated. */
Assert(tts_ops != &TTSOpsVirtual);
/* Compute the address of Slot->tts_nvalid */
x86::Gp v_slot =
opcode == EEOP_INNER_FETCHSOME
? emit_load_ecxt_innertuple_from_ExprContext(Jitcc, v_econtext)
: (opcode == EEOP_OUTER_FETCHSOME
? emit_load_ecxt_outertuple_from_ExprContext(Jitcc,
v_econtext)
: emit_load_ecxt_scantuple_from_ExprContext(Jitcc,
v_econtext));
x86::Gp v_nvalid =
emit_load_tts_nvalid_from_TupleTableSlot(Jitcc, v_slot);
/*
* Check if all required attributes are available, or whether deforming is
* required.
*/
Jitcc.cmp(v_nvalid, jit::imm(op->d.fetch.last_var));
Jitcc.jge(L_opblocks[opno + 1]);
if (tts_ops && desc && (Context->base.flags & PGJIT_DEFORM)) {
INSTR_TIME_SET_CURRENT(DeformStartTime);
jit_deform = CompileTupleDeformingFunc(Context, Runtime, desc, tts_ops,
op->d.fetch.last_var);
INSTR_TIME_SET_CURRENT(DeformEndTime);
INSTR_TIME_ACCUM_DIFF(Context->base.instr.deform_counter, DeformEndTime,
DeformStartTime);
}
jit::InvokeNode *SlotGetSomeAttrsInt = nullptr;
if (jit_deform) {
/* Invoke the JIT-ed deforming function. */
Jitcc.invoke(&SlotGetSomeAttrsInt, jit::imm(jit_deform),
jit::FuncSignature::build<void, TupleTableSlot *>());
SlotGetSomeAttrsInt->setArg(0, v_slot);
} else {
Jitcc.invoke(&SlotGetSomeAttrsInt, jit::imm(slot_getsomeattrs_int),
jit::FuncSignature::build<void, TupleTableSlot *, int>());
SlotGetSomeAttrsInt->setArg(0, v_slot);
SlotGetSomeAttrsInt->setArg(1, jit::imm(op->d.fetch.last_var));
}
break;
}
case EEOP_INNER_VAR:
case EEOP_OUTER_VAR:
case EEOP_SCAN_VAR: {
x86::Gp v_slot =
opcode == EEOP_INNER_VAR
? emit_load_ecxt_innertuple_from_ExprContext(Jitcc, v_econtext)
: (opcode == EEOP_OUTER_VAR
? emit_load_ecxt_outertuple_from_ExprContext(Jitcc,
v_econtext)
: emit_load_ecxt_scantuple_from_ExprContext(Jitcc,
v_econtext));
x86::Gp v_values =
emit_load_tts_values_from_TupleTableSlot(Jitcc, v_slot),
v_nulls = emit_load_tts_isnull_from_TupleTableSlot(Jitcc, v_slot);
int attnum = op->d.var.attnum;
x86::Gp v_value = Jitcc.newUIntPtr(), v_isnull = Jitcc.newInt8();
EmitLoadFromArray(Jitcc, v_values, attnum, v_value, sizeof(Datum));
EmitLoadFromArray(Jitcc, v_nulls, attnum, v_isnull, sizeof(bool));
x86::Gp v_resvaluep = EmitLoadConstUIntPtr(Jitcc, "v_resvaluep.uintptr",
op->resvalue),
v_resnullp = EmitLoadConstUIntPtr(Jitcc, "v_resnullp.uintptr",
op->resnull);
EmitStoreToArray(Jitcc, v_resvaluep, 0, v_value, sizeof(Datum));
EmitStoreToArray(Jitcc, v_resnullp, 0, v_isnull, sizeof(bool));
break;
}
case EEOP_INNER_SYSVAR:
case EEOP_OUTER_SYSVAR:
case EEOP_SCAN_SYSVAR: {
x86::Gp v_slot =
opcode == EEOP_INNER_VAR
? emit_load_ecxt_innertuple_from_ExprContext(Jitcc, v_econtext)
: (opcode == EEOP_OUTER_SYSVAR
? emit_load_ecxt_outertuple_from_ExprContext(Jitcc,
v_econtext)
: emit_load_ecxt_scantuple_from_ExprContext(Jitcc,
v_econtext));
jit::InvokeNode *ExecEvalSysVarFunc;
Jitcc.invoke(
&ExecEvalSysVarFunc, jit::imm(ExecEvalSysVar),
jit::FuncSignature::build<void, ExprState *, ExprEvalStep *,
ExprContext *, TupleTableSlot *>());
ExecEvalSysVarFunc->setArg(0, v_state);
ExecEvalSysVarFunc->setArg(1, jit::imm(op));
ExecEvalSysVarFunc->setArg(2, v_econtext);
ExecEvalSysVarFunc->setArg(3, v_slot);
break;
}
case EEOP_WHOLEROW: {
BuildEvalXFunc3(ExecEvalWholeRowVar);
break;
}
case EEOP_ASSIGN_INNER_VAR:
case EEOP_ASSIGN_OUTER_VAR:
case EEOP_ASSIGN_SCAN_VAR: {
x86::Gp v_slot =
opcode == EEOP_ASSIGN_INNER_VAR
? emit_load_ecxt_innertuple_from_ExprContext(Jitcc, v_econtext)
: (opcode == EEOP_ASSIGN_OUTER_VAR
? emit_load_ecxt_outertuple_from_ExprContext(Jitcc,
v_econtext)
: emit_load_ecxt_scantuple_from_ExprContext(Jitcc,
v_econtext));
x86::Gp v_values =
emit_load_tts_values_from_TupleTableSlot(Jitcc, v_slot),
v_nulls = emit_load_tts_isnull_from_TupleTableSlot(Jitcc, v_slot);
int attnum = op->d.assign_var.attnum;
/* Load data. */
x86::Gp v_value = Jitcc.newUIntPtr("v_value.uintptr"),
v_null = Jitcc.newInt8("v_null.i8");
EmitLoadFromArray(Jitcc, v_values, attnum, v_value, sizeof(Datum));
EmitLoadFromArray(Jitcc, v_nulls, attnum, v_null, sizeof(bool));
/* Save the result. */
int resultnum = op->d.assign_var.resultnum;
x86::Gp v_resultslot =
emit_load_resultslot_from_ExprState(Jitcc, v_state);
x86::Gp v_rvaluep =
emit_load_tts_values_from_TupleTableSlot(Jitcc, v_resultslot),
v_risnullp =
emit_load_tts_isnull_from_TupleTableSlot(Jitcc, v_resultslot);
EmitStoreToArray(Jitcc, v_rvaluep, resultnum, v_value, sizeof(Datum));
EmitStoreToArray(Jitcc, v_risnullp, resultnum, v_null, sizeof(bool));
break;
}
case EEOP_ASSIGN_TMP:
case EEOP_ASSIGN_TMP_MAKE_RO: {
size_t resultnum = op->d.assign_tmp.resultnum;
/* Load expression->resvalue and expression->resnull */
x86::Gp v_rvalue = emit_load_resvalue_from_ExprState(Jitcc, v_state),
v_risnull = emit_load_resnull_from_ExprState(Jitcc, v_state);
/*
* Compute the addresses of
* expression->resultslot->tts_values[ResultNum] and
* expression->resultslot->tts_isnull[ResultNum]
*/
x86::Gp v_resultslot =
emit_load_resultslot_from_ExprState(Jitcc, v_state);
x86::Gp v_tmpvaluep =
emit_load_tts_values_from_TupleTableSlot(Jitcc, v_resultslot),
v_tmpisnullp =
emit_load_tts_isnull_from_TupleTableSlot(Jitcc, v_resultslot);
/*
* Store nullness.
*/
EmitStoreToArray(Jitcc, v_tmpisnullp, resultnum, v_risnull, sizeof(bool));
if (opcode == EEOP_ASSIGN_TMP_MAKE_RO) {
Jitcc.cmp(v_risnull, jit::imm(1));
Jitcc.je(L_opblocks[opno + 1]);
jit::InvokeNode *MakeExpandedObjectReadOnlyInternalFunc;
Jitcc.invoke(&MakeExpandedObjectReadOnlyInternalFunc,
jit::imm(MakeExpandedObjectReadOnlyInternal),
jit::FuncSignature::build<Datum, Datum>());
MakeExpandedObjectReadOnlyInternalFunc->setArg(0, v_rvalue);
MakeExpandedObjectReadOnlyInternalFunc->setRet(0, v_rvalue);
}
/* Finally, store the result. */
EmitStoreToArray(Jitcc, v_tmpvaluep, resultnum, v_rvalue, sizeof(Datum));
break;
}
case EEOP_CONST: {
x86::Gp v_constvalue = EmitLoadConstUInt64(Jitcc, "constval.value.u64",
op->d.constval.value),
v_constnull = EmitLoadConstUInt8(Jitcc, "constval.isnull.u8",
op->d.constval.isnull);
/*
* Store Op->d.constval.value to Op->resvalue.
* Store Op->d.constval.isnull to Op->resnull.
*/
x86::Gp v_resvaluep = EmitLoadConstUIntPtr(Jitcc, "op.resvalue.uintptr",
op->resvalue),
v_resnullp = EmitLoadConstUIntPtr(Jitcc, "op.resnull.uintptr",
op->resnull);
EmitStoreToArray(Jitcc, v_resvaluep, 0, v_constvalue, sizeof(Datum));
EmitStoreToArray(Jitcc, v_resnullp, 0, v_constnull, sizeof(bool));
break;
}
case EEOP_FUNCEXPR:
case EEOP_FUNCEXPR_STRICT: {
FunctionCallInfo fcinfo = op->d.func.fcinfo_data;
x86::Gp v_fcinfo =
EmitLoadConstUIntPtr(Jitcc, "v_fcinfo.uintptr", fcinfo);
jit::Label L_InvokePGFunc = Jitcc.newLabel();
if (opcode == EEOP_FUNCEXPR_STRICT) {
jit::Label L_StrictFail = Jitcc.newLabel();
/* Should make sure that they're optimized beforehand. */
int argnum = op->d.func.nargs;
if (argnum == 0) {
ereport(ERROR,
(errmsg("Argumentless strict functions are pointless")));
}
/* Check for NULL args for strict function. */
for (int argno = 0; argno < argnum; ++argno) {
x86::Gp v_argisnull = LoadFuncArgNull(Jitcc, v_fcinfo, argno);
Jitcc.cmp(v_argisnull, jit::imm(1));
Jitcc.je(L_StrictFail);
}
Jitcc.jmp(L_InvokePGFunc);
Jitcc.bind(L_StrictFail);
/* Op->resnull = true */
x86::Gp v_resnullp =
EmitLoadConstUIntPtr(Jitcc, "v_resnullp.uintptr", op->resnull);
EmitStoreToArray(Jitcc, v_resnullp, 0, jit::imm(1), sizeof(bool));
Jitcc.jmp(L_opblocks[opno + 1]);
}
/*
* Before invoking PGFuncs, we should set FuncCallInfo->isnull to false.
*/
Jitcc.bind(L_InvokePGFunc);
emit_store_isnull_to_FunctionCallInfoBaseData(Jitcc, v_fcinfo,
jit::imm(0));
jit::InvokeNode *PGFunc;
x86::Gp v_retval = Jitcc.newUIntPtr("v_retval.uintptr");
Jitcc.invoke(&PGFunc, jit::imm(fcinfo->flinfo->fn_addr),
jit::FuncSignature::build<Datum, FunctionCallInfo>());
PGFunc->setArg(0, v_fcinfo);
PGFunc->setRet(0, v_retval);
/* Write result values. */
x86::Gp v_resvaluep = EmitLoadConstUIntPtr(Jitcc, "v_resvaluep.uintptr",
op->resvalue),
v_resnullp = EmitLoadConstUIntPtr(Jitcc, "v_resnullp.uintptr",
op->resnull);
EmitStoreToArray(Jitcc, v_resvaluep, 0, v_retval, sizeof(Datum));
x86::Gp v_fcinfo_isnull =
emit_load_isnull_from_FunctionCallInfoBaseData(Jitcc, v_fcinfo);
EmitStoreToArray(Jitcc, v_resnullp, 0, v_fcinfo_isnull, sizeof(bool));
break;
}
case EEOP_FUNCEXPR_FUSAGE: {
BuildEvalXFunc3(ExecEvalFuncExprFusage);
break;
}
case EEOP_FUNCEXPR_STRICT_FUSAGE: {
BuildEvalXFunc3(ExecEvalFuncExprStrictFusage);
break;
}
/*
* Treat them the same for now, optimizer can remove
* redundancy. Could be worthwhile to optimize during emission
* though.
*/
case EEOP_BOOL_AND_STEP_FIRST:
case EEOP_BOOL_AND_STEP:
case EEOP_BOOL_AND_STEP_LAST: {
x86::Gp v_boolanynullp = EmitLoadConstUIntPtr(
Jitcc, "op.d.boolexpr.anynull", op->d.boolexpr.anynull);
jit::Label L_BoolCheckFalse = Jitcc.newLabel(),
L_BoolCont = Jitcc.newLabel();
if (opcode == EEOP_BOOL_AND_STEP_FIRST)
EmitStoreToArray(Jitcc, v_boolanynullp, 0, jit::imm(0), sizeof(bool));
x86::Gp v_resvaluep = EmitLoadConstUIntPtr(Jitcc, "v_resvaluep.uintptr",
op->resvalue),
v_resnullp = EmitLoadConstUIntPtr(Jitcc, "v_resnullp.uintptr",
op->resnull);
x86::Gp v_boolvalue = Jitcc.newUIntPtr("v_boolvalue.uintptr"),
v_boolnull = Jitcc.newInt8("v_boolnull.i8");
EmitLoadFromArray(Jitcc, v_resvaluep, 0, v_boolvalue, sizeof(Datum));
EmitLoadFromArray(Jitcc, v_resnullp, 0, v_boolnull, sizeof(bool));
/* check if current input is NULL */
Jitcc.cmp(v_boolnull, jit::imm(1));
Jitcc.jne(L_BoolCheckFalse);
{
/* b_boolisnull */
/* set boolanynull to true */
EmitStoreToArray(Jitcc, v_boolanynullp, 0, jit::imm(1), sizeof(bool));
Jitcc.jmp(L_BoolCont);
}
Jitcc.bind(L_BoolCheckFalse);
{
Jitcc.cmp(v_boolvalue, jit::imm(0));
Jitcc.jne(L_BoolCont);
/* b_boolisfalse */
/* result is already set to FALSE, need not change it */
/* and jump to the end of the AND expression */
Jitcc.jmp(L_opblocks[op->d.boolexpr.jumpdone]);
}
Jitcc.bind(L_BoolCont);
{
x86::Gp v_boolanynull = Jitcc.newInt8("v_boolanynull.i8");
EmitLoadFromArray(Jitcc, v_boolanynullp, 0, v_boolanynull,
sizeof(bool));
Jitcc.cmp(v_boolanynull, jit::imm(0));
Jitcc.je(L_opblocks[opno + 1]);
}
/* set resnull to true */
EmitStoreToArray(Jitcc, v_resnullp, 0, jit::imm(1), sizeof(bool));
/* reset resvalue */
EmitStoreToArray(Jitcc, v_resvaluep, 0, jit::imm(0), sizeof(Datum));
break;
}
/*
* Treat them the same for now, optimizer can remove
* redundancy. Could be worthwhile to optimize during emission
* though.
*/
case EEOP_BOOL_OR_STEP_FIRST:
case EEOP_BOOL_OR_STEP:
case EEOP_BOOL_OR_STEP_LAST: {
x86::Gp v_boolanynullp = EmitLoadConstUIntPtr(
Jitcc, "v_boolanynullp.uintptr", op->d.boolexpr.anynull);
jit::Label L_BoolCheckTrue = Jitcc.newLabel(),
L_BoolCont = Jitcc.newLabel();
if (opcode == EEOP_BOOL_OR_STEP_FIRST)
EmitStoreToArray(Jitcc, v_boolanynullp, 0, jit::imm(0), sizeof(bool));
x86::Gp v_resvaluep = EmitLoadConstUIntPtr(Jitcc, "v_resvaluep.uintptr",
op->resvalue),
v_resnullp = EmitLoadConstUIntPtr(Jitcc, "v_resnullp.uintptr",
op->resnull);
x86::Gp v_boolvalue = Jitcc.newUIntPtr("v_boolvalue.uintptr"),
v_boolnull = Jitcc.newInt8("v_boolnull.i8");
EmitLoadFromArray(Jitcc, v_resvaluep, 0, v_boolvalue, sizeof(Datum));
EmitLoadFromArray(Jitcc, v_resnullp, 0, v_boolnull, sizeof(bool));
/* check if current input is NULL */
Jitcc.cmp(v_boolnull, jit::imm(1));
Jitcc.jne(L_BoolCheckTrue);
{
/* b_boolisnull */
/* set boolanynull to true */
EmitStoreToArray(Jitcc, v_boolanynullp, 0, jit::imm(1), sizeof(bool));
Jitcc.jmp(L_BoolCont);
}
Jitcc.bind(L_BoolCheckTrue);
{
Jitcc.cmp(v_boolvalue, jit::imm(1));
Jitcc.jne(L_BoolCont);
/* b_boolistrue */
/* result is already set to FALSE, need not change it */
/* and jump to the end of the AND expression */
Jitcc.jmp(L_opblocks[op->d.boolexpr.jumpdone]);
}
Jitcc.bind(L_BoolCont);
{
x86::Gp v_boolanynull = Jitcc.newInt8("v_boolanynull.i8");
EmitLoadFromArray(Jitcc, v_boolanynullp, 0, v_boolanynull,
sizeof(bool));
Jitcc.cmp(v_boolanynull, jit::imm(0));
Jitcc.je(L_opblocks[opno + 1]);
}
/* set resnull to true */
EmitStoreToArray(Jitcc, v_resnullp, 0, jit::imm(1), sizeof(bool));
/* reset resvalue */
EmitStoreToArray(Jitcc, v_resvaluep, 0, jit::imm(0), sizeof(Datum));
break;
}
case EEOP_BOOL_NOT_STEP: {
x86::Gp v_resvaluep =
EmitLoadConstUIntPtr(Jitcc, "v_resvaluep.uintptr", op->resvalue);
x86::Gp v_boolvalue = Jitcc.newUIntPtr("v_boolvalue.uintptr"),
v_negbool = Jitcc.newUIntPtr("v_negbool.uintptr");
EmitLoadFromArray(Jitcc, v_resvaluep, 0, v_boolvalue, sizeof(Datum));
Jitcc.xor_(v_negbool, v_negbool);
Jitcc.cmp(v_boolvalue, jit::imm(0));
Jitcc.sete(v_negbool);
EmitStoreToArray(Jitcc, v_resvaluep, 0, v_negbool, sizeof(Datum));
break;
}
case EEOP_QUAL: {
jit::Label L_HandleNullOrFalse = Jitcc.newLabel();
x86::Gp v_resvaluep = EmitLoadConstUIntPtr(Jitcc, "v_resvaluep.uintptr",
op->resvalue),
v_resnullp = EmitLoadConstUIntPtr(Jitcc, "v_resnullp.uintptr",
op->resnull);
x86::Gp v_resvalue = Jitcc.newUIntPtr("v_resvalue.uintptr"),
v_resnull = Jitcc.newInt8("v_resnull.i8");
EmitLoadFromArray(Jitcc, v_resvaluep, 0, v_resvalue, sizeof(Datum));
EmitLoadFromArray(Jitcc, v_resnullp, 0, v_resnull, sizeof(bool));
Jitcc.cmp(v_resnull, jit::imm(1));
Jitcc.je(L_HandleNullOrFalse);
Jitcc.cmp(v_resvalue, jit::imm(0));
Jitcc.je(L_HandleNullOrFalse);
Jitcc.jmp(L_opblocks[opno + 1]);
/* Handling null or false. */
Jitcc.bind(L_HandleNullOrFalse);
/* Set resnull and resvalue to false. */
EmitStoreToArray(Jitcc, v_resvaluep, 0, jit::imm(0), sizeof(Datum));
EmitStoreToArray(Jitcc, v_resnullp, 0, jit::imm(0), sizeof(bool));
Jitcc.jmp(L_opblocks[op->d.qualexpr.jumpdone]);
break;
}
case EEOP_JUMP: {
Jitcc.jmp(L_opblocks[op->d.jump.jumpdone]);
break;
}
case EEOP_JUMP_IF_NULL: {
/* Transfer control if current result is null */
x86::Gp v_resnullp =
EmitLoadConstUIntPtr(Jitcc, "v_resnullp.uintptr", op->resnull);
x86::Gp v_resnull = Jitcc.newInt8("v_resnull.i8");
EmitLoadFromArray(Jitcc, v_resnullp, 0, v_resnull, sizeof(bool));
Jitcc.cmp(v_resnull, jit::imm(1));
Jitcc.je(L_opblocks[op->d.jump.jumpdone]);
break;
}
case EEOP_JUMP_IF_NOT_NULL: {
/* Transfer control if current result is non-null */
x86::Gp v_resnullp =
EmitLoadConstUIntPtr(Jitcc, "v_resnullp.uintptr", op->resnull);
x86::Gp v_resnull = Jitcc.newInt8("v_resnull.i8");
EmitLoadFromArray(Jitcc, v_resnullp, 0, v_resnull, sizeof(bool));
Jitcc.cmp(v_resnull, jit::imm(0));
Jitcc.je(L_opblocks[op->d.jump.jumpdone]);
break;
}
case EEOP_JUMP_IF_NOT_TRUE: {
x86::Gp v_resvaluep = EmitLoadConstUIntPtr(Jitcc, "v_resvaluep.uintptr",
op->resvalue),
v_resnullp = EmitLoadConstUIntPtr(Jitcc, "v_resnullp.uintptr",
op->resnull);
x86::Gp v_resvalue = Jitcc.newUIntPtr("v_resvalue.uintptr"),
v_resnull = Jitcc.newInt8("v_resnull.i8");
EmitLoadFromArray(Jitcc, v_resvaluep, 0, v_resvalue, sizeof(Datum));
EmitLoadFromArray(Jitcc, v_resnullp, 0, v_resnull, sizeof(bool));
/* Transfer control if current result is null or false */
Jitcc.cmp(v_resnull, jit::imm(1));
Jitcc.je(L_opblocks[op->d.jump.jumpdone]);
Jitcc.cmp(v_resvalue, jit::imm(0));
Jitcc.je(L_opblocks[op->d.jump.jumpdone]);
break;
}
case EEOP_NULLTEST_ISNULL: {
x86::Gp v_resvaluep = EmitLoadConstUIntPtr(Jitcc, "v_resvaluep.uintptr",
op->resvalue),
v_resnullp = EmitLoadConstUIntPtr(Jitcc, "v_resnullp.uintptr",
op->resnull);
x86::Gp v_resvalue = Jitcc.newUIntPtr("v_resvalue.uintptr"),
v_resnull = Jitcc.newInt8("v_resnull.i8");
EmitLoadFromArray(Jitcc, v_resnullp, 0, v_resnull, sizeof(bool));
Jitcc.xor_(v_resvalue, v_resvalue);
Jitcc.cmp(v_resnull, jit::imm(1));
Jitcc.sete(v_resvalue);
EmitStoreToArray(Jitcc, v_resvaluep, 0, v_resvalue, sizeof(Datum));
EmitStoreToArray(Jitcc, v_resnullp, 0, jit::imm(0), sizeof(bool));
break;
}
case EEOP_NULLTEST_ISNOTNULL: {
x86::Gp v_resvaluep = EmitLoadConstUIntPtr(Jitcc, "v_resvaluep.uintptr",
op->resvalue),
v_resnullp = EmitLoadConstUIntPtr(Jitcc, "v_resnullp.uintptr",
op->resnull);
x86::Gp v_resvalue = Jitcc.newUIntPtr("v_resvalue.uintptr"),
v_resnull = Jitcc.newInt8("v_resnull.i8");
EmitLoadFromArray(Jitcc, v_resnullp, 0, v_resnull, sizeof(bool));
Jitcc.xor_(v_resvalue, v_resvalue);
Jitcc.cmp(v_resnull, jit::imm(0));
Jitcc.sete(v_resvalue);
EmitStoreToArray(Jitcc, v_resvaluep, 0, v_resvalue, sizeof(Datum));
EmitStoreToArray(Jitcc, v_resnullp, 0, jit::imm(0), sizeof(bool));
break;
}
case EEOP_NULLTEST_ROWISNULL: {
BuildEvalXFunc3(ExecEvalRowNull);
break;
}
case EEOP_NULLTEST_ROWISNOTNULL: {
BuildEvalXFunc3(ExecEvalRowNotNull);
break;
}
case EEOP_BOOLTEST_IS_TRUE:
case EEOP_BOOLTEST_IS_NOT_FALSE:
case EEOP_BOOLTEST_IS_FALSE:
case EEOP_BOOLTEST_IS_NOT_TRUE: {
jit::Label L_NotNull = Jitcc.newLabel();
x86::Gp v_resvaluep = EmitLoadConstUIntPtr(Jitcc, "v_resvaluep.uintptr",
op->resvalue),
v_resnullp = EmitLoadConstUIntPtr(Jitcc, "v_resnullp.uintptr",
op->resnull);
x86::Gp v_resnull = Jitcc.newInt8("resnull.i8");
EmitLoadFromArray(Jitcc, v_resnullp, 0, v_resnull, sizeof(bool));
Jitcc.cmp(v_resnull, jit::imm(1));
Jitcc.jne(L_NotNull);
/* result is not null. */
EmitStoreToArray(Jitcc, v_resnullp, 0, jit::imm(0), sizeof(bool));
EmitStoreToArray(
Jitcc, v_resvaluep, 0,
(opcode == EEOP_BOOLTEST_IS_TRUE || opcode == EEOP_BOOLTEST_IS_FALSE)
? jit::imm(0)
: jit::imm(1),
sizeof(Datum));
Jitcc.jmp(L_opblocks[opno + 1]);
Jitcc.bind(L_NotNull);
if (opcode == EEOP_BOOLTEST_IS_TRUE ||
opcode == EEOP_BOOLTEST_IS_NOT_FALSE) {
/*
* if value is not null NULL, return value (already
* set)
*/
} else {
x86::Gp v_resvalue = Jitcc.newUIntPtr("v_resvalue.uintptr");
x86::Gp v_resvalue_is_false =
Jitcc.newUIntPtr("v_resvalue_is_false.uintptr");
EmitLoadFromArray(Jitcc, v_resvaluep, 0, v_resvalue, sizeof(Datum));
Jitcc.xor_(v_resvalue_is_false, v_resvalue_is_false);
Jitcc.cmp(v_resvalue, jit::imm(0));
Jitcc.sete(v_resvalue_is_false);
EmitStoreToArray(Jitcc, v_resvaluep, 0, v_resvalue_is_false,
sizeof(Datum));
}
break;
}
case EEOP_PARAM_EXEC: {
BuildEvalXFunc3(ExecEvalParamExec);
break;
}
case EEOP_PARAM_EXTERN: {
BuildEvalXFunc3(ExecEvalParamExtern);
break;
}
case EEOP_PARAM_CALLBACK: {
BuildEvalXFunc3(op->d.cparam.paramfunc);
break;
}
case EEOP_PARAM_SET: {
BuildEvalXFunc3(ExecEvalParamSet);
break;
}
case EEOP_SBSREF_SUBSCRIPTS: {
jit::InvokeNode *InvokeSubscriptFunc;
x86::Gp v_retval = Jitcc.newInt8("ret.i8");
Jitcc.invoke(
&InvokeSubscriptFunc, jit::imm(op->d.sbsref_subscript.subscriptfunc),
jit::FuncSignature::build<bool, ExprState *, struct ExprEvalStep *,
ExprContext *>());
InvokeSubscriptFunc->setArg(0, v_state);
InvokeSubscriptFunc->setArg(1, jit::imm(op));
InvokeSubscriptFunc->setArg(2, v_econtext);
InvokeSubscriptFunc->setRet(0, v_retval);
Jitcc.cmp(v_retval, jit::imm(0));
Jitcc.je(L_opblocks[op->d.sbsref_subscript.jumpdone]);
break;
}
case EEOP_SBSREF_OLD:
case EEOP_SBSREF_ASSIGN:
case EEOP_SBSREF_FETCH: {
BuildEvalXFunc3(op->d.sbsref.subscriptfunc);
break;
}
case EEOP_CASE_TESTVAL: {
x86::Gp v_resvaluep = EmitLoadConstUIntPtr(Jitcc, "v_resvaluep.uintptr",
op->resvalue),
v_resnullp = EmitLoadConstUIntPtr(Jitcc, "v_resnullp.uintptr",
op->resnull);
if (op->d.casetest.value) {
x86::Gp v_casevaluep = EmitLoadConstUIntPtr(
Jitcc, "v_casevaluep.uintptr", op->d.casetest.value),
v_casenullp = EmitLoadConstUIntPtr(Jitcc, "v_casenullp.uintptr",
op->d.casetest.isnull);
x86::Gp v_casevalue = Jitcc.newUIntPtr("v_casevalue.uintptr"),
v_casenull = Jitcc.newInt8("v_casenull.i8");
EmitLoadFromArray(Jitcc, v_casevaluep, 0, v_casevalue, sizeof(Datum));
EmitLoadFromArray(Jitcc, v_casenullp, 0, v_casenull, sizeof(bool));
EmitStoreToArray(Jitcc, v_resvaluep, 0, v_casevalue, sizeof(Datum));
EmitStoreToArray(Jitcc, v_resnullp, 0, v_casenull, sizeof(bool));
} else {
x86::Gp v_casevalue =
emit_load_caseValue_datum_from_ExprContext(Jitcc, v_econtext);
x86::Gp v_casenull =
emit_load_caseValue_isNull_from_ExprContext(Jitcc, v_econtext);
EmitStoreToArray(Jitcc, v_resvaluep, 0, v_casevalue, sizeof(Datum));
EmitStoreToArray(Jitcc, v_resnullp, 0, v_casenull, sizeof(bool));
}
break;
}
case EEOP_MAKE_READONLY: {
x86::Gp v_nullp = EmitLoadConstUIntPtr(Jitcc, "v_nullp.uintptr",
op->d.make_readonly.isnull);
x86::Gp v_null = Jitcc.newInt8("v_null.i8");
EmitLoadFromArray(Jitcc, v_nullp, 0, v_null, sizeof(bool));
/* store null isnull value in result */
x86::Gp v_resnullp =
EmitLoadConstUIntPtr(Jitcc, "v_resnullp.uintptr", op->resnull);
EmitStoreToArray(Jitcc, v_resnullp, 0, v_null, sizeof(bool));
Jitcc.cmp(v_null, jit::imm(1));
Jitcc.je(L_opblocks[opno + 1]);
/* if value is not null, convert to RO datum */
x86::Gp v_valuep = EmitLoadConstUIntPtr(Jitcc, "v_valuep.uintptr",
op->d.make_readonly.value);
x86::Gp v_value = Jitcc.newUIntPtr("v_value.uintptr");
EmitLoadFromArray(Jitcc, v_valuep, 0, v_value, sizeof(Datum));
jit::InvokeNode *InvokeMakeExpandedObjectReadOnly;
Jitcc.invoke(&InvokeMakeExpandedObjectReadOnly,
jit::imm(MakeExpandedObjectReadOnlyInternal),
jit::FuncSignature::build<Datum, Datum>());
InvokeMakeExpandedObjectReadOnly->setArg(0, v_value);
InvokeMakeExpandedObjectReadOnly->setRet(0, v_value);
x86::Gp v_resvaluep =
EmitLoadConstUIntPtr(Jitcc, "v_resvaluep.uintptr", op->resvalue);
EmitStoreToArray(Jitcc, v_resvaluep, 0, v_value, sizeof(Datum));
break;
}
case EEOP_IOCOERCE: {
FunctionCallInfo fcinfo_out = op->d.iocoerce.fcinfo_data_out,
fcinfo_in = op->d.iocoerce.fcinfo_data_in;
jit::Label L_SkipOutputCall = Jitcc.newLabel(),
L_InputCall = Jitcc.newLabel();
x86::Gp v_fcinfo_out = EmitLoadConstUIntPtr(Jitcc, "v_fcinfo_out.uintptr",
fcinfo_out),
v_fcinfo_in =
EmitLoadConstUIntPtr(Jitcc, "v_fcinfo_in.uintptr", fcinfo_in);
x86::Gp v_output = Jitcc.newUInt64("v_output.u64");
x86::Gp v_resnullp =
EmitLoadConstUIntPtr(Jitcc, "op.resnullp.uintptr", op->resnull);
x86::Gp v_resnull = Jitcc.newInt8("op.resnull.i8");
EmitLoadFromArray(Jitcc, v_resnullp, 0, v_resnull, sizeof(bool));
Jitcc.cmp(v_resnull, jit::imm(1));
Jitcc.je(L_SkipOutputCall);
{
/* Not null, call output. */
x86::Gp v_resvaluep =
EmitLoadConstUIntPtr(Jitcc, "op.resvalue.uintptr", op->resvalue);
x86::Gp v_resvalue = Jitcc.newUIntPtr("v_resvalue");
EmitLoadFromArray(Jitcc, v_resvaluep, 0, v_resvalue, sizeof(Datum));
StoreFuncArgValue(Jitcc, v_fcinfo_out, 0, v_resvalue);
StoreFuncArgNull(Jitcc, v_fcinfo_out, 0, jit::imm(0));
emit_store_isnull_to_FunctionCallInfoBaseData(Jitcc, v_fcinfo_out,
jit::imm(0));
jit::InvokeNode *PGFunc;
Jitcc.invoke(&PGFunc, jit::imm(fcinfo_out->flinfo->fn_addr),
jit::FuncSignature::build<Datum, FunctionCallInfo>());
PGFunc->setArg(0, v_fcinfo_out);
PGFunc->setRet(0, v_output);
Jitcc.jmp(L_InputCall);
}
Jitcc.bind(L_SkipOutputCall);
Jitcc.mov(v_output, jit::imm(0));
Jitcc.bind(L_InputCall);
{
if (op->d.iocoerce.finfo_in->fn_strict) {
Jitcc.cmp(v_output, jit::imm(0));
Jitcc.je(L_opblocks[opno + 1]);
}
EmitLoadFromArray(Jitcc, v_resnullp, 0, v_resnull, sizeof(bool));
/* Call input function. */
StoreFuncArgValue(Jitcc, v_fcinfo_in, 0, v_output);
StoreFuncArgNull(Jitcc, v_fcinfo_in, 0, v_resnull);
emit_store_isnull_to_FunctionCallInfoBaseData(Jitcc, v_fcinfo_in,
jit::imm(0));
jit::InvokeNode *PGFunc;
Jitcc.invoke(&PGFunc, jit::imm(fcinfo_in->flinfo->fn_addr),
jit::FuncSignature::build<Datum, FunctionCallInfo>());
PGFunc->setArg(0, v_fcinfo_in);
PGFunc->setRet(0, v_output);
x86::Gp v_resvaluep =
EmitLoadConstUIntPtr(Jitcc, "op.resvalue.uintptr", op->resvalue);
EmitStoreToArray(Jitcc, v_resvaluep, 0, v_output, sizeof(Datum));
}
break;
}
case EEOP_IOCOERCE_SAFE: {
BuildEvalXFunc2(ExecEvalCoerceViaIOSafe);
break;
}
case EEOP_DISTINCT:
case EEOP_NOT_DISTINCT: {
FunctionCallInfo fcinfo = op->d.func.fcinfo_data;
jit::Label L_NoArgIsNull = Jitcc.newLabel(),
L_AnyArgIsNull = Jitcc.newLabel();
x86::Gp v_fcinfo =
EmitLoadConstUIntPtr(Jitcc, "v_fcinfo.uintptr", fcinfo);
/* load args[0|1].isnull for both arguments */
x86::Gp v_argnull0 = LoadFuncArgNull(Jitcc, v_fcinfo, 0),
v_argnull1 = LoadFuncArgNull(Jitcc, v_fcinfo, 1);
x86::Gp v_anyargisnull = Jitcc.newInt8("v_anyargisnull.i8");
Jitcc.mov(v_anyargisnull, v_argnull0);
Jitcc.or_(v_anyargisnull, v_argnull1);
Jitcc.cmp(v_anyargisnull, jit::imm(0));
Jitcc.je(L_NoArgIsNull);
{
/* check both arguments */
x86::Gp v_bothargisnull = Jitcc.newInt8("v_bothargisnull.i8");
Jitcc.mov(v_bothargisnull, v_argnull0);
Jitcc.and_(v_bothargisnull, v_argnull1);
Jitcc.cmp(v_bothargisnull, jit::imm(1));
Jitcc.jne(L_AnyArgIsNull);
{
x86::Gp v_resnullp =
EmitLoadConstUIntPtr(Jitcc, "op.resnullp.uintptr", op->resnull);
x86::Gp v_resvaluep =
EmitLoadConstUIntPtr(Jitcc, "op.resvaluep.uintptr", op->resvalue);
EmitStoreToArray(Jitcc, v_resnullp, 0, jit::imm(0), sizeof(bool));
if (opcode == EEOP_NOT_DISTINCT)