From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from xry111.site (xry111.site [89.208.246.23]) by sourceware.org (Postfix) with ESMTPS id 2D4803858D3C for ; Mon, 22 Jan 2024 19:16:39 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 2D4803858D3C Authentication-Results: sourceware.org; dmarc=pass (p=reject dis=none) header.from=xry111.site Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=xry111.site ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 2D4803858D3C Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=89.208.246.23 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1705951001; cv=none; b=BrMahyUI4+wRbPCEOfOQBkwo4EqgyTQ5D8tmYL7PE8fgoPnKdZ4lCuZRtrDRzGyxzc7gCGkVjbfAeWOQg+SLkf4NsNpkbY1T2bMX/Rf35FzmJPO5e8Um2+uEeAE6WP6kvvAeXnt0aqXMKEwAM35KlY9MmJFwKAE7EUMMGHpHxx4= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1705951001; c=relaxed/simple; bh=OBkBvSsP4Xqgwz4KgKo7nHrbQJ0jvYngbVvX+w1s/8o=; h=DKIM-Signature:From:To:Subject:Date:Message-ID:MIME-Version; b=FgdnXpSBfJ0j9S9uD8wiQ1O/Xvy3Kj6xRny8OUQtyqwZAKPb5JvVgT3+RRPB+9DNC9BnMoif/KOnkv/ICbZgm2AWjZq+nTgxUkAfzyz9qneRE8i5HUCBj0wQLc1ANm6vnP79yxPeKd2DLpY6gBVh+HHmHRF3n3WwvWx5ekAeFMw= ARC-Authentication-Results: i=1; server2.sourceware.org DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=xry111.site; s=default; t=1705950996; bh=OBkBvSsP4Xqgwz4KgKo7nHrbQJ0jvYngbVvX+w1s/8o=; h=From:To:Cc:Subject:Date:From; b=JxDcDphsFUNNwL05qgcMZX83agZfPIRZftYCta+phkjRUWS/ROWQEaQW//y/SIPFv E+uiviZtA4e5lXvtn3vb6oa786OQhYaFH3ryPPvEw0bmYVnIbY8glIsZtua/riTZQ+ uWn2r0xm2irRB6+fLRl24zWx8pVuEIilaGbP8KOQ= Received: from stargazer.. (unknown [IPv6:240e:358:119a:ce00:dc73:854d:832e:2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384) server-digest SHA384) (Client did not present a certificate) (Authenticated sender: xry111@xry111.site) by xry111.site (Postfix) with ESMTPSA id E416F66A74; Mon, 22 Jan 2024 14:16:33 -0500 (EST) From: Xi Ruoyao To: binutils@sourceware.org Cc: mengqinggang@loongson.cn, Nick Clifton , Xi Ruoyao , WANG Xuerui Subject: [PATCH] gas/NEWS, ld/NEWS: Announce LoongArch changes in 2.42 Date: Tue, 23 Jan 2024 03:14:03 +0800 Message-ID: <20240122191612.1678966-1-xry111@xry111.site> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-8.8 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,GIT_PATCH_0,KAM_NUMSUBJECT,LIKELY_SPAM_FROM,SPF_HELO_PASS,SPF_PASS,TXREP,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: The change is self-explained, no more commit message :). Co-authored-by: WANG Xuerui Signed-off-by: Xi Ruoyao --- Nick: this is obviously for 2.42... Sorry for sending it after the branching, we were just too focused on "code changes" :(. gas/NEWS | 31 +++++++++++++++++++++++++++++++ ld/NEWS | 11 +++++++++++ 2 files changed, 42 insertions(+) diff --git a/gas/NEWS b/gas/NEWS index cf4e8ff7c95..8078a8dd2af 100644 --- a/gas/NEWS +++ b/gas/NEWS @@ -66,6 +66,37 @@ Changes in 2.42: * The BPF assembler now allows using both hash (#) and double slash (//) to begin line comments. +* Add support for LoongArch v1.10 new instructions: estimated reciprocal + instructions, sub-word atomic instructions, atomic CAS instructions, + 16-byte store-conditional instruction, load-linked instructions with + acquire semantics, and store-conditional instructions with release + semantics. + +* The %call36 relocation operator, along with the pseudo-instructions + call36 and tail36, are now usable with the LoongArch "medium" code + model, allowing text sections up to 128 GiB. + +* TLS descriptors (TLSDESC) are now supported on LoongArch. This includes + the following new relocation operators: %desc_pc_hi20, %desc_pc_lo12, + %desc_ld, and %desc_call, and the la.tls.desc pseudo-instruction. + +* TLS LE relaxation is now supported on LoongArch. New relocation + operators %le_hi20_r, %le_lo12r, and %le_add_r are now available, with + la.tls.le now making use of them. + +* Add support for LoongArch branch relaxation: a conditional branch with + destination out of its immediate operand range, but still within + a "b"'s range, is now assembled as an inverted branch and a "b". This + works around the unreliable branch offset estimation of the compiler + when .align directive is encoded into a long NOP sequence with an + R_LARCH_RELAX by the assembler. + +* Add support for encoding three-expression .align directives on LoongArch + with R_LARCH_ALIGN. + +* Symbol or label names in LoongArch assembly can now be spelled with + double-quotes. + Changes in 2.41: * Add support for the KVX instruction set. diff --git a/ld/NEWS b/ld/NEWS index c3ebe320e5e..a5a5b9faee2 100644 --- a/ld/NEWS +++ b/ld/NEWS @@ -29,6 +29,17 @@ Changes in 2.42: --enable-error-rwx-segments=[yes|no] configure options to set the default for converting warnings into errors. +* On LoongArch, various linker relaxation bugs are fixed; the most notable + of which is BZ 30944 (incorrect .balign semantics). + +* On LoongArch, the LoongArch ABI v2.30 (LoongArch ELF psABI v20231219) is + now implemented. This includes new relocation types, and changed + semantics for PC-relative relocations handling the higher half of 64-bit + offsets. + +* On LoongArch, link-time TLS optimization and TLS relaxation are now + supported. + Changes in 2.41: * The linker now accepts a command line option of --remap-inputs -- 2.43.0