motiejus/zig
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add @setAlignStack builtin

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This commit is contained in:
Andrew Kelley
2017-10-02 22:00:42 -04:00
parent c180ef86af
commit f1bd02e6f4
8 changed files with 158 additions and 5 deletions
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11
src/codegen.cpp
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@@ -410,6 +410,9 @@ static LLVMValueRef fn_llvm_value(CodeGen *g, FnTableEntry *fn_table_entry) {
addLLVMFnAttr(fn_table_entry->llvm_value, "noinline");
break;
case FnInlineAuto:
if (fn_table_entry->alignstack_value != 0) {
addLLVMFnAttr(fn_table_entry->llvm_value, "noinline");
}
break;
}
@@ -452,10 +455,8 @@ static LLVMValueRef fn_llvm_value(CodeGen *g, FnTableEntry *fn_table_entry) {
}
}
if (g->zig_target.os == ZigLLVM_Win32 && g->zig_target.arch.arch == ZigLLVM_x86_64 &&
fn_type->data.fn.fn_type_id.cc != CallingConventionNaked)
{
addLLVMFnAttrInt(fn_table_entry->llvm_value, "alignstack", 16);
if (fn_table_entry->alignstack_value != 0) {
addLLVMFnAttrInt(fn_table_entry->llvm_value, "alignstack", fn_table_entry->alignstack_value);
}
addLLVMFnAttr(fn_table_entry->llvm_value, "nounwind");
@@ -3379,6 +3380,7 @@ static LLVMValueRef ir_render_instruction(CodeGen *g, IrExecutable *executable,
case IrInstructionIdSetEvalBranchQuota:
case IrInstructionIdPtrTypeOf:
case IrInstructionIdOpaqueType:
case IrInstructionIdSetAlignStack:
zig_unreachable();
case IrInstructionIdReturn:
return ir_render_return(g, executable, (IrInstructionReturn *)instruction);
@@ -4784,6 +4786,7 @@ static void define_builtin_fns(CodeGen *g) {
create_builtin_fn(g, BuiltinFnIdSetEvalBranchQuota, "setEvalBranchQuota", 1);
create_builtin_fn(g, BuiltinFnIdAlignCast, "alignCast", 2);
create_builtin_fn(g, BuiltinFnIdOpaqueType, "OpaqueType", 0);
create_builtin_fn(g, BuiltinFnIdSetAlignStack, "setAlignStack", 1);
}
static const char *bool_to_str(bool b) {