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gccrs: intrinsics: Use lambdas for wrapping_<op> intrinsics

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gcc/rust/ChangeLog:

	* backend/rust-compile-intrinsic.cc (wrapping_op_handler): Refactor to return
	an `std::function`.
	(wrapping_op_handler_inner): Rename.
	(wrapping_add_handler): Remove function.
	(wrapping_sub_handler): Likewise.
	(wrapping_mul_handler): Likewise.
This commit is contained in:
Arthur Cohen
2022-10-26 16:06:53 +02:00
parent 1c586a1d1c
commit cb2cf21cf3
1 changed files with 11 additions and 18 deletions
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29
gcc/rust/backend/rust-compile-intrinsic.cc
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@@ -59,7 +59,7 @@ transmute_handler (Context *ctx, TyTy::FnType *fntype);
static tree
rotate_handler (Context *ctx, TyTy::FnType *fntype, tree_code op);
static tree
wrapping_op_handler (Context *ctx, TyTy::FnType *fntype, tree_code op);
wrapping_op_handler_inner (Context *ctx, TyTy::FnType *fntype, tree_code op);
static tree
copy_nonoverlapping_handler (Context *ctx, TyTy::FnType *fntype);
@@ -83,21 +83,14 @@ rotate_right_handler (Context *ctx, TyTy::FnType *fntype)
return rotate_handler (ctx, fntype, RROTATE_EXPR);
}
static inline tree
wrapping_add_handler (Context *ctx, TyTy::FnType *fntype)
const static std::function<tree (Context *, TyTy::FnType *)>
wrapping_op_handler (tree_code op)
{
return wrapping_op_handler (ctx, fntype, PLUS_EXPR);
}
static inline tree
wrapping_sub_handler (Context *ctx, TyTy::FnType *fntype)
{
return wrapping_op_handler (ctx, fntype, MINUS_EXPR);
}
static inline tree
wrapping_mul_handler (Context *ctx, TyTy::FnType *fntype)
{
return wrapping_op_handler (ctx, fntype, MULT_EXPR);
return [op] (Context *ctx, TyTy::FnType *fntype) {
return wrapping_op_handler_inner (ctx, fntype, op);
};
}
static inline tree
prefetch_read_data (Context *ctx, TyTy::FnType *fntype)
{
@@ -148,9 +141,9 @@ static const std::map<std::string,
{"transmute", transmute_handler},
{"rotate_left", rotate_left_handler},
{"rotate_right", rotate_right_handler},
{"wrapping_add", wrapping_add_handler},
{"wrapping_sub", wrapping_sub_handler},
{"wrapping_mul", wrapping_mul_handler},
{"wrapping_add", wrapping_op_handler (PLUS_EXPR)},
{"wrapping_sub", wrapping_op_handler (MINUS_EXPR)},
{"wrapping_mul", wrapping_op_handler (MULT_EXPR)},
{"copy_nonoverlapping", copy_nonoverlapping_handler},
{"prefetch_read_data", prefetch_read_data},
{"prefetch_write_data", prefetch_write_data},
@@ -493,7 +486,7 @@ rotate_handler (Context *ctx, TyTy::FnType *fntype, tree_code op)
* pub fn wrapping_{add, sub, mul}<T>(lhs: T, rhs: T) -> T;
*/
static tree
wrapping_op_handler (Context *ctx, TyTy::FnType *fntype, tree_code op)
wrapping_op_handler_inner (Context *ctx, TyTy::FnType *fntype, tree_code op)
{
// wrapping_<op> intrinsics have two parameter
rust_assert (fntype->get_params ().size () == 2);