From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp.gentoo.org (dev.gentoo.org [IPv6:2001:470:ea4a:1:5054:ff:fec7:86e4]) by sourceware.org (Postfix) with ESMTP id D21433858402 for ; Thu, 11 Jan 2024 05:51:20 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org D21433858402 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=gentoo.org Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=gentoo.org ARC-Filter: OpenARC Filter v1.0.0 sourceware.org D21433858402 Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=2001:470:ea4a:1:5054:ff:fec7:86e4 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1704952284; cv=none; b=IucPDLeOHcfC8J7NVn4jiQBngkHrFNv7SlVbxLx2aEchUZv8whY7OpsLZkXgd96xqw1KUH2x8DhjYBjXnyMj3fwquOZW6LldSCbmMXmlZYQIQQnSY9xTuHvtFWiQ8PudHpqGg3UpSq/uRwCC+tvMoOxg1CSeWP0vwHYgsJ05BRY= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1704952284; c=relaxed/simple; bh=wXhFqkNDhkpudxp/nrI15YpR2lLaZ7ofG5V4KwS4Xic=; h=From:To:Subject:Date:Message-ID:MIME-Version; b=GtcgUIeGgOIgRL7yyDwLMxnm1CYGjlAS57+Gn/Hj0o1FnKWdDCQ+vpcP7yp0msTXrv7uOKTa5JNWi26Xa2D6CSMkZzaVZyw8UIGws+29W/YviQfRD/drqk+DuTfaB66tXoZidazF2OlZCr48ed3hiyRhVQNFU5l+Wa6y/xsDUa4= ARC-Authentication-Results: i=1; server2.sourceware.org Received: by smtp.gentoo.org (Postfix, from userid 559) id 5CFEC343136; Thu, 11 Jan 2024 05:51:20 +0000 (UTC) From: Mike Frysinger To: gdb-patches@sourceware.org Subject: [PATCH 2/2] sim: endian: leverage __int128 when available Date: Thu, 11 Jan 2024 00:51:16 -0500 Message-ID: <20240111055116.29216-2-vapier@gentoo.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240111055116.29216-1-vapier@gentoo.org> References: <20240111055116.29216-1-vapier@gentoo.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-11.3 required=5.0 tests=BAYES_00,GIT_PATCH_0,JMQ_SPF_NEUTRAL,KAM_DMARC_STATUS,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: Should be functionally the same, but the code is a little simpler. --- sim/common/sim-endian.c | 8 ++++++++ sim/common/sim-types.h | 5 +++++ 2 files changed, 13 insertions(+) diff --git a/sim/common/sim-endian.c b/sim/common/sim-endian.c index 9b498fbf94e3..76735ea6cfd5 100644 --- a/sim/common/sim-endian.c +++ b/sim/common/sim-endian.c @@ -98,6 +98,9 @@ INLINE_SIM_ENDIAN\ (unsigned_8) sim_endian_split_16 (unsigned_16 word, int w) { +#ifdef HAVE___INT128 + return w == 0 ? word >> 64 : word; +#else if (HOST_BYTE_ORDER == BFD_ENDIAN_LITTLE) { return word.a[1 - w]; @@ -106,6 +109,7 @@ sim_endian_split_16 (unsigned_16 word, int w) { return word.a[w]; } +#endif } @@ -114,6 +118,9 @@ INLINE_SIM_ENDIAN\ sim_endian_join_16 (unsigned_8 h, unsigned_8 l) { +#ifdef HAVE___INT128 + return (unsigned_16)h << 64 | l; +#else unsigned_16 word; if (HOST_BYTE_ORDER == BFD_ENDIAN_LITTLE) { @@ -126,6 +133,7 @@ sim_endian_join_16 (unsigned_8 h, unsigned_8 l) word.a[1] = l; } return word; +#endif } diff --git a/sim/common/sim-types.h b/sim/common/sim-types.h index 182f0dbe1f38..f5f863c536e7 100644 --- a/sim/common/sim-types.h +++ b/sim/common/sim-types.h @@ -67,8 +67,13 @@ # define SIGNED64(X) ((int64_t) X##LL) #endif +#ifdef HAVE___INT128 +typedef unsigned __int128 unsigned128; +typedef __int128 signed128; +#else typedef struct { uint64_t a[2]; } unsigned128; typedef struct { int64_t a[2]; } signed128; +#endif /* byte based */ -- 2.43.0