https://github.com/frederick-vs-ja created https://github.com/llvm/llvm-project/pull/125981
Some tail padding are not reusable due to the ABI specification, and `__datasizeof` intentionally doesn't consider them. Closes #125863. >From 0577594d4ecbbae6e61e087ce16609469d5f459c Mon Sep 17 00:00:00 2001 From: "A. Jiang" <d...@live.cn> Date: Thu, 6 Feb 2025 10:20:49 +0800 Subject: [PATCH] [clang][docs] Clarify the tail padding considered by `__datasizeof` --- clang/docs/LanguageExtensions.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/clang/docs/LanguageExtensions.rst b/clang/docs/LanguageExtensions.rst index dd7513ceaa4e4bf..a779064e84cb404 100644 --- a/clang/docs/LanguageExtensions.rst +++ b/clang/docs/LanguageExtensions.rst @@ -432,7 +432,7 @@ __datasizeof ------------ ``__datasizeof`` behaves like ``sizeof``, except that it returns the size of the -type ignoring tail padding. +type ignoring reusable tail padding according to the ABI. _BitInt, _ExtInt ---------------- _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
