From mboxrd@z Thu Jan 1 00:00:00 1970 From: "H. Peter Anvin" Subject: [PATCH RFC 06/10] tools: Add gcc __builtin_bswap*() support for unaligned references Date: Tue, 10 Jun 2014 16:13:10 -0700 Message-ID: <1402441994-16780-7-git-send-email-hpa@zytor.com> References: <1402441994-16780-1-git-send-email-hpa@zytor.com> Return-path: In-Reply-To: <1402441994-16780-1-git-send-email-hpa@zytor.com> Sender: linux-kernel-owner@vger.kernel.org To: Sam Ravnborg , linux-kernel@vger.kernel.org, linux-kbuild@vger.kernel.org, linux-arch@vger.kernel.org Cc: Andy Lutomirski , Andrew Morton , Ingo Molnar , Thomas Gleixner , "H. Peter Anvin" List-Id: linux-arch.vger.kernel.org Add support for gcc __builtin_bswap*() for byteswapping unaligned references. Signed-off-by: H. Peter Anvin --- tools/include/tools/unaligned/be_bswap.h | 36 ++++++++++++++++++++++++++++++++ tools/include/tools/unaligned/le_bswap.h | 36 ++++++++++++++++++++++++++++++++ 2 files changed, 72 insertions(+) create mode 100644 tools/include/tools/unaligned/be_bswap.h create mode 100644 tools/include/tools/unaligned/le_bswap.h diff --git a/tools/include/tools/unaligned/be_bswap.h b/tools/include/tools/unaligned/be_bswap.h new file mode 100644 index 000000000000..9e8d1e91fe0e --- /dev/null +++ b/tools/include/tools/unaligned/be_bswap.h @@ -0,0 +1,36 @@ +#ifndef _TOOLS_BE_BSWAP_H +#define _TOOLS_BE_BSWAP_H + +#include + +static inline uint16_t get_unaligned_be16(const void *_p) +{ + return __builtin_bswap16(get_unaligned_le16(_p)); +} + +static inline uint32_t get_unaligned_be32(const void *_p) +{ + return __builtin_bswap32(get_unaligned_le32(_p)); +} + +static inline uint64_t get_unaligned_be64(const void *_p) +{ + return __builtin_bswap64(get_unaligned_le64(_p)); +} + +static inline void put_unaligned_be16(uint16_t val, void *_p) +{ + put_unaligned_le16(__builtin_bswap16(val), _p); +} + +static inline void put_unaligned_be32(uint32_t val, void *_p) +{ + put_unaligned_le32(__builtin_bswap32(val), _p); +} + +static inline void put_unaligned_be64(uint64_t val, void *_p) +{ + put_unaligned_le64(__builtin_bswap64(val), _p); +} + +#endif /* _TOOLS_BE_BSWAP_H */ diff --git a/tools/include/tools/unaligned/le_bswap.h b/tools/include/tools/unaligned/le_bswap.h new file mode 100644 index 000000000000..9c70415fa782 --- /dev/null +++ b/tools/include/tools/unaligned/le_bswap.h @@ -0,0 +1,36 @@ +#ifndef _TOOLS_LE_BSWAP_H +#define _TOOLS_LE_BSWAP_H + +#include + +static inline uint16_t get_unaligned_le16(const void *_p) +{ + return __builtin_bswap16(get_unaligned_be16(_p)); +} + +static inline uint32_t get_unaligned_le32(const void *_p) +{ + return __builtin_bswap32(get_unaligned_be32(_p)); +} + +static inline uint64_t get_unaligned_le64(const void *_p) +{ + return __builtin_bswap64(get_unaligned_be64(_p)); +} + +static inline void put_unaligned_le16(uint16_t val, void *_p) +{ + put_unaligned_be16(__builtin_bswap16(val), _p); +} + +static inline void put_unaligned_le32(uint32_t val, void *_p) +{ + put_unaligned_be32(__builtin_bswap32(val), _p); +} + +static inline void put_unaligned_le64(uint64_t val, void *_p) +{ + put_unaligned_be64(__builtin_bswap64(val), _p); +} + +#endif /* _TOOLS_LE_BSWAP_H */ -- 1.9.3 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from terminus.zytor.com ([198.137.202.10]:38717 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753222AbaFJXNz (ORCPT ); Tue, 10 Jun 2014 19:13:55 -0400 From: "H. Peter Anvin" Subject: [PATCH RFC 06/10] tools: Add gcc __builtin_bswap*() support for unaligned references Date: Tue, 10 Jun 2014 16:13:10 -0700 Message-ID: <1402441994-16780-7-git-send-email-hpa@zytor.com> In-Reply-To: <1402441994-16780-1-git-send-email-hpa@zytor.com> References: <1402441994-16780-1-git-send-email-hpa@zytor.com> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Sam Ravnborg , linux-kernel@vger.kernel.org, linux-kbuild@vger.kernel.org, linux-arch@vger.kernel.org Cc: Andy Lutomirski , Andrew Morton , Ingo Molnar , Thomas Gleixner , "H. Peter Anvin" Message-ID: <20140610231310.H3TqIE-wEYdgEnkX--vxGhMLxWb7PsjrosU6DImeokY@z> Add support for gcc __builtin_bswap*() for byteswapping unaligned references. Signed-off-by: H. Peter Anvin --- tools/include/tools/unaligned/be_bswap.h | 36 ++++++++++++++++++++++++++++++++ tools/include/tools/unaligned/le_bswap.h | 36 ++++++++++++++++++++++++++++++++ 2 files changed, 72 insertions(+) create mode 100644 tools/include/tools/unaligned/be_bswap.h create mode 100644 tools/include/tools/unaligned/le_bswap.h diff --git a/tools/include/tools/unaligned/be_bswap.h b/tools/include/tools/unaligned/be_bswap.h new file mode 100644 index 000000000000..9e8d1e91fe0e --- /dev/null +++ b/tools/include/tools/unaligned/be_bswap.h @@ -0,0 +1,36 @@ +#ifndef _TOOLS_BE_BSWAP_H +#define _TOOLS_BE_BSWAP_H + +#include + +static inline uint16_t get_unaligned_be16(const void *_p) +{ + return __builtin_bswap16(get_unaligned_le16(_p)); +} + +static inline uint32_t get_unaligned_be32(const void *_p) +{ + return __builtin_bswap32(get_unaligned_le32(_p)); +} + +static inline uint64_t get_unaligned_be64(const void *_p) +{ + return __builtin_bswap64(get_unaligned_le64(_p)); +} + +static inline void put_unaligned_be16(uint16_t val, void *_p) +{ + put_unaligned_le16(__builtin_bswap16(val), _p); +} + +static inline void put_unaligned_be32(uint32_t val, void *_p) +{ + put_unaligned_le32(__builtin_bswap32(val), _p); +} + +static inline void put_unaligned_be64(uint64_t val, void *_p) +{ + put_unaligned_le64(__builtin_bswap64(val), _p); +} + +#endif /* _TOOLS_BE_BSWAP_H */ diff --git a/tools/include/tools/unaligned/le_bswap.h b/tools/include/tools/unaligned/le_bswap.h new file mode 100644 index 000000000000..9c70415fa782 --- /dev/null +++ b/tools/include/tools/unaligned/le_bswap.h @@ -0,0 +1,36 @@ +#ifndef _TOOLS_LE_BSWAP_H +#define _TOOLS_LE_BSWAP_H + +#include + +static inline uint16_t get_unaligned_le16(const void *_p) +{ + return __builtin_bswap16(get_unaligned_be16(_p)); +} + +static inline uint32_t get_unaligned_le32(const void *_p) +{ + return __builtin_bswap32(get_unaligned_be32(_p)); +} + +static inline uint64_t get_unaligned_le64(const void *_p) +{ + return __builtin_bswap64(get_unaligned_be64(_p)); +} + +static inline void put_unaligned_le16(uint16_t val, void *_p) +{ + put_unaligned_be16(__builtin_bswap16(val), _p); +} + +static inline void put_unaligned_le32(uint32_t val, void *_p) +{ + put_unaligned_be32(__builtin_bswap32(val), _p); +} + +static inline void put_unaligned_le64(uint64_t val, void *_p) +{ + put_unaligned_be64(__builtin_bswap64(val), _p); +} + +#endif /* _TOOLS_LE_BSWAP_H */ -- 1.9.3