motiejus/zig
1
Fork 0
Code Releases Activity

support casting between int and float types

Browse Source
This commit is contained in:
Andrew Kelley
2016-01-31 21:05:17 -07:00
parent 954afe5d9a
commit e74a7264ad
6 changed files with 90 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
src/codegen.cpp
View File

@@ -478,6 +478,25 @@ static LLVMValueRef gen_cast_expr(CodeGen *g, AstNode *node) {
return cast_expr->tmp_ptr;
}
case CastOpIntToFloat:
assert(actual_type->id == TypeTableEntryIdInt);
if (actual_type->data.integral.is_signed) {
add_debug_source_node(g, node);
return LLVMBuildSIToFP(g->builder, expr_val, wanted_type->type_ref, "");
} else {
add_debug_source_node(g, node);
return LLVMBuildUIToFP(g->builder, expr_val, wanted_type->type_ref, "");
}
case CastOpFloatToInt:
assert(wanted_type->id == TypeTableEntryIdInt);
if (wanted_type->data.integral.is_signed) {
add_debug_source_node(g, node);
return LLVMBuildFPToSI(g->builder, expr_val, wanted_type->type_ref, "");
} else {
add_debug_source_node(g, node);
return LLVMBuildFPToUI(g->builder, expr_val, wanted_type->type_ref, "");
}
}
zig_unreachable();
}