#side_effects -> #volatile; Remove dead code

This commit is contained in:
gingerBill
2026-08-13 10:03:00 +01:00
parent 4f82bed1f7
commit cb903df235
8 changed files with 10 additions and 170 deletions

View File

@@ -882,7 +882,7 @@ gb_internal void check_mnemonic(AsmCtx *asm_ctx, CheckerContext *ctx, Entity *tm
tmpl_entity->AsmTemplate.clobber_cc |= clobber.implies_clobber_cc();
tmpl_entity->AsmTemplate.clobber_memory |= clobber.implies_clobber_memory();
tmpl_entity->AsmTemplate.has_side_effects |= clobber.implies_side_effects();
tmpl_entity->AsmTemplate.is_volatile |= clobber.implies_side_effects();
return;
}
@@ -1284,7 +1284,7 @@ gb_internal void check_asm_template(AsmCtx *asm_ctx, CheckerContext *ctx, Entity
entity->type = type;
bool has_side_effects = false;
bool is_volatile = false;
bool is_align_stack = false;
auto *clobber_registers_set = &entity->AsmTemplate.clobber_registers_set;
@@ -1297,11 +1297,11 @@ gb_internal void check_asm_template(AsmCtx *asm_ctx, CheckerContext *ctx, Entity
ast_node(clobber, AsmClobber, clobber_);
if (clobber->value == nullptr) {
if (clobber->name.string == "side_effects") {
if (has_side_effects) {
error(clobber->name, "#side_effects has already been defined as an asm specification");
if (clobber->name.string == "volatile") {
if (is_volatile) {
error(clobber->name, "#volatile has already been defined as an asm specification");
}
has_side_effects = true;
is_volatile = true;
} else if (clobber->name.string == "align_stack") {
if (is_align_stack) {
error(clobber->name, "#align_stack has already been defined as an asm specification");
@@ -1347,7 +1347,7 @@ gb_internal void check_asm_template(AsmCtx *asm_ctx, CheckerContext *ctx, Entity
entity->AsmTemplate.clobber_cc = clobber_cc;
entity->AsmTemplate.clobber_memory = clobber_memory;
entity->AsmTemplate.has_side_effects = has_side_effects;
entity->AsmTemplate.is_volatile = is_volatile;
entity->AsmTemplate.is_align_stack = is_align_stack;
}

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@@ -12683,53 +12683,6 @@ gb_internal ExprKind check_expr_base_internal(CheckerContext *c, Operand *o, Ast
}
case_end;
case_ast_node(ia, InlineAsmExpr, node);
if (c->curr_proc_decl == nullptr) {
error(node, "Inline asm expressions are only allowed within a procedure body");
}
auto param_types = array_make<Type *>(heap_allocator(), ia->param_types.count);
Type *return_type = nullptr;
for_array(i, ia->param_types) {
param_types[i] = check_type(c, ia->param_types[i]);
}
if (ia->return_type != nullptr) {
return_type = check_type(c, ia->return_type);
}
Operand x = {};
check_expr(c, &x, ia->asm_string);
if (x.mode != Addressing_Constant || !is_type_string(x.type)) {
error(x.expr, "Expected a constant string for the inline asm main parameter");
}
check_expr(c, &x, ia->constraints_string);
if (x.mode != Addressing_Constant || !is_type_string(x.type)) {
error(x.expr, "Expected a constant string for the inline asm constraints parameter");
}
Scope *scope = create_scope(c->info, c->scope);
scope->flags |= ScopeFlag_Proc;
Type *params = alloc_type_tuple();
Type *results = alloc_type_tuple();
if (param_types.count != 0) {
slice_init(&params->Tuple.variables, heap_allocator(), param_types.count);
for_array(i, param_types) {
params->Tuple.variables[i] = alloc_entity_param(scope, blank_token, param_types[i], false, true);
}
}
if (return_type != nullptr) {
slice_init(&results->Tuple.variables, heap_allocator(), 1);
results->Tuple.variables[0] = alloc_entity_param(scope, blank_token, return_type, false, true);
}
Type *pt = alloc_type_proc(scope, params, param_types.count, results, return_type != nullptr ? 1 : 0, false, ProcCC_InlineAsm);
o->type = pt;
o->mode = Addressing_Value;
o->expr = node;
return Expr_Expr;
case_end;
case Ast_DistinctType:
case Ast_TypeidType:
case Ast_PolyType:
@@ -13567,40 +13520,6 @@ gb_internal gbString write_expr_to_string(gbString str, Ast *node, bool shorthan
str = gb_string_appendc(str, "}");
case_end;
case_ast_node(ia, InlineAsmExpr, node);
str = gb_string_appendc(str, "asm(");
for_array(i, ia->param_types) {
if (i > 0) {
str = gb_string_appendc(str, ", ");
}
str = write_expr_to_string(str, ia->param_types[i], shorthand);
}
str = gb_string_appendc(str, ")");
if (ia->return_type != nullptr) {
str = gb_string_appendc(str, " -> ");
str = write_expr_to_string(str, ia->return_type, shorthand);
}
if (ia->has_side_effects) {
str = gb_string_appendc(str, " #side_effects");
}
if (ia->is_align_stack) {
str = gb_string_appendc(str, " #stack_align");
}
if (ia->dialect) {
str = gb_string_appendc(str, " #");
str = gb_string_appendc(str, inline_asm_dialect_strings[ia->dialect]);
}
str = gb_string_appendc(str, " {");
if (shorthand) {
str = gb_string_appendc(str, "...");
} else {
str = write_expr_to_string(str, ia->asm_string, shorthand);
str = gb_string_appendc(str, ", ");
str = write_expr_to_string(str, ia->constraints_string, shorthand);
}
str = gb_string_appendc(str, "}");
case_end;
case_ast_node(at, AsmTemplate, node);
str = gb_string_appendc(str, "asm");
{

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@@ -340,7 +340,7 @@ struct Entity {
} Label;
struct {
Ast *node;
bool has_side_effects;
bool is_volatile;
bool is_align_stack;
bool clobber_cc;

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@@ -484,7 +484,7 @@ struct lbAsmGenerate_amd64 : lbAsmGenerate {
fn_ty,
asm_string, cast(size_t)gb_string_length(asm_string),
constraints, cast(size_t)gb_string_length(constraints),
/*HasSideEffects*/ tmpl_entity->AsmTemplate.has_side_effects,
/*HasSideEffects*/ tmpl_entity->AsmTemplate.is_volatile,
/*IsAlignStack*/ tmpl_entity->AsmTemplate.is_align_stack,
LLVMInlineAsmDialectATT,
/*CanThrow*/ false);

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@@ -4733,39 +4733,6 @@ gb_internal lbValue lb_build_expr_internal(lbProcedure *p, Ast *expr) {
case_ast_node(ie, MatrixIndexExpr, expr);
return lb_addr_load(p, lb_build_addr(p, expr));
case_end;
case_ast_node(ia, InlineAsmExpr, expr);
Type *t = type_of_expr(expr);
GB_ASSERT(is_type_asm_proc(t));
String asm_string = {};
String constraints_string = {};
TypeAndValue tav;
tav = type_and_value_of_expr(ia->asm_string);
GB_ASSERT(is_type_string(tav.type));
GB_ASSERT(tav.value.kind == ExactValue_String);
asm_string = tav.value.value_string;
tav = type_and_value_of_expr(ia->constraints_string);
GB_ASSERT(is_type_string(tav.type));
GB_ASSERT(tav.value.kind == ExactValue_String);
constraints_string = tav.value.value_string;
LLVMInlineAsmDialect dialect = LLVMInlineAsmDialectATT;
switch (ia->dialect) {
case InlineAsmDialect_Default: dialect = LLVMInlineAsmDialectATT; break;
case InlineAsmDialect_ATT: dialect = LLVMInlineAsmDialectATT; break;
case InlineAsmDialect_Intel: dialect = LLVMInlineAsmDialectIntel; break;
default: GB_PANIC("Unhandled inline asm dialect"); break;
}
LLVMTypeRef func_type = lb_type_internal_for_procedures_raw(p->module, t);
LLVMValueRef the_asm = llvm_get_inline_asm(func_type, asm_string, constraints_string, ia->has_side_effects, ia->has_side_effects, dialect);
GB_ASSERT(the_asm != nullptr);
return {the_asm, t};
case_end;
}
GB_PANIC("lb_build_expr: %.*s", LIT(ast_strings[expr->kind]));

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@@ -331,13 +331,6 @@ gb_internal Ast *clone_ast(Ast *node, AstFile *f) {
n->AutoCast.expr = clone_ast(n->AutoCast.expr, f);
break;
case Ast_InlineAsmExpr:
n->InlineAsmExpr.param_types = clone_ast_array(n->InlineAsmExpr.param_types, f);
n->InlineAsmExpr.return_type = clone_ast(n->InlineAsmExpr.return_type, f);
n->InlineAsmExpr.asm_string = clone_ast(n->InlineAsmExpr.asm_string, f);
n->InlineAsmExpr.constraints_string = clone_ast(n->InlineAsmExpr.constraints_string, f);
break;
case Ast_BadStmt: break;
case Ast_EmptyStmt: break;
case Ast_ExprStmt:
@@ -1072,32 +1065,6 @@ gb_internal Ast *ast_auto_cast(AstFile *f, Token token, Ast *expr) {
}
gb_internal Ast *ast_inline_asm_expr(AstFile *f, Token token, Token open, Token close,
Array<Ast *> const &param_types,
Ast *return_type,
Ast *asm_string,
Ast *constraints_string,
bool has_side_effects,
bool is_align_stack,
InlineAsmDialectKind dialect) {
Ast *result = alloc_ast_node(f, Ast_InlineAsmExpr);
result->InlineAsmExpr.token = token;
result->InlineAsmExpr.open = open;
result->InlineAsmExpr.close = close;
result->InlineAsmExpr.param_types = slice_from_array(param_types);
result->InlineAsmExpr.return_type = return_type;
result->InlineAsmExpr.asm_string = asm_string;
result->InlineAsmExpr.constraints_string = constraints_string;
result->InlineAsmExpr.has_side_effects = has_side_effects;
result->InlineAsmExpr.is_align_stack = is_align_stack;
result->InlineAsmExpr.dialect = dialect;
return result;
}
gb_internal Ast *ast_bad_stmt(AstFile *f, Token begin, Token end) {
Ast *result = alloc_ast_node(f, Ast_BadStmt);
result->BadStmt.begin = begin;
@@ -2691,7 +2658,7 @@ gb_internal Ast *parse_asm_template(AstFile *f) {
Token hash = expect_token(f, Token_Hash);
Token name = expect_token(f, Token_Ident);
if (name.string == "side_effects" ||
if (name.string == "volatile" ||
name.string == "align_stack") {
Ast *clobber = alloc_ast_node(f, Ast_AsmClobber);
clobber->AsmClobber.token = hash;

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@@ -571,17 +571,6 @@ AST_KIND(_ExprBegin, "", bool) \
}) \
AST_KIND(TypeCast, "type cast", struct { Token token; Ast *type, *expr; }) \
AST_KIND(AutoCast, "auto_cast", struct { Token token; Ast *expr; }) \
AST_KIND(InlineAsmExpr, "inline asm expression", struct { \
Token token; \
Token open, close; \
Slice<Ast *> param_types; \
Ast *return_type; \
Ast *asm_string; \
Ast *constraints_string; \
bool has_side_effects; \
bool is_align_stack; \
InlineAsmDialectKind dialect; \
}) \
AST_KIND(MatrixIndexExpr, "matrix index expression", struct { Ast *expr, *row_index, *column_index; Token open, close; }) \
AST_KIND(_ExprEnd, "", bool) \
AST_KIND(_StmtBegin, "", bool) \

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@@ -71,7 +71,6 @@ gb_internal Token ast_token(Ast *node) {
case Ast_TypeAssertion: return ast_token(node->TypeAssertion.expr);
case Ast_TypeCast: return node->TypeCast.token;
case Ast_AutoCast: return node->AutoCast.token;
case Ast_InlineAsmExpr: return node->InlineAsmExpr.token;
case Ast_BadStmt: return node->BadStmt.begin;
case Ast_EmptyStmt: return node->EmptyStmt.token;
@@ -254,7 +253,6 @@ Token ast_end_token(Ast *node) {
case Ast_TypeAssertion: return ast_end_token(node->TypeAssertion.type);
case Ast_TypeCast: return ast_end_token(node->TypeCast.expr);
case Ast_AutoCast: return ast_end_token(node->AutoCast.expr);
case Ast_InlineAsmExpr: return node->InlineAsmExpr.close;
case Ast_BadStmt: return node->BadStmt.end;
case Ast_EmptyStmt: return node->EmptyStmt.token;