compiler: remove stack_allocation_expression

    
    Now we make temporaries for allocations on stack (CL 86242). This
    function is no longer used. Remove.
    
    Reviewed-on: https://go-review.googlesource.com/92618

	* go-gcc.cc (class Gcc_backend): Remove
	stack_allocation_expression method.

From-SVN: r261353

1 files changed, 0 insertions, 17 deletions

diff --git a/gcc/go/go-gcc.cc b/gcc/go/go-gcc.cc
index 61e8493..870e865 100644
--- a/gcc/go/go-gcc.cc
+++ b/gcc/go/go-gcc.cc
@@ -352,9 +352,6 @@ class Gcc_backend : public Backend
                   const std::vector<Bexpression*>& args,
                   Bexpression* static_chain, Location);
 
-  Bexpression*
-  stack_allocation_expression(int64_t size, Location);
-
   // Statements.
 
   Bstatement*
@@ -1999,20 +1996,6 @@ Gcc_backend::call_expression(Bfunction*, // containing fcn for call
   return this->make_expression(ret);
 }
 
-// Return an expression that allocates SIZE bytes on the stack.
-
-Bexpression*
-Gcc_backend::stack_allocation_expression(int64_t size, Location location)
-{
-  tree alloca = builtin_decl_explicit(BUILT_IN_ALLOCA);
-  tree size_tree = build_int_cst(integer_type_node, size);
-  tree ret = build_call_expr_loc(location.gcc_location(), alloca, 1, size_tree);
-  tree memset = builtin_decl_explicit(BUILT_IN_MEMSET);
-  ret = build_call_expr_loc(location.gcc_location(), memset, 3,
-                            ret, integer_zero_node, size_tree);
-  return this->make_expression(ret);
-}
-
 // An expression as a statement.
 
 Bstatement*