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281b007d48
Signed-off-by: Khem Raj <raj.khem@gmail.com> Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
31 lines
1.2 KiB
Diff
31 lines
1.2 KiB
Diff
From 626fe5e043de25e970ebdf061b88c646fa689113 Mon Sep 17 00:00:00 2001
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From: Khem Raj <raj.khem@gmail.com>
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Date: Tue, 19 Sep 2017 10:09:31 -0700
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Subject: [PATCH 2/2] use __builtin_bswap16 when building with clang
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clang pretends to be gcc 4.2.0 and therefore the code does
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not use __builtin_bswap16 but tries to synthesize it
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Signed-off-by: Khem Raj <raj.khem@gmail.com>
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---
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Upstream-Status: Submitted
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include/flatbuffers/base.h | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/include/flatbuffers/base.h b/include/flatbuffers/base.h
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index c73fb2d..13e8fac 100644
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--- a/include/flatbuffers/base.h
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+++ b/include/flatbuffers/base.h
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@@ -156,7 +156,7 @@ template<typename T> T EndianSwap(T t) {
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#define FLATBUFFERS_BYTESWAP32 _byteswap_ulong
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#define FLATBUFFERS_BYTESWAP64 _byteswap_uint64
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#else
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- #if defined(__GNUC__) && __GNUC__ * 100 + __GNUC_MINOR__ < 408
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+ #if defined(__GNUC__) && __GNUC__ * 100 + __GNUC_MINOR__ < 408 && !defined(__clang__)
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// __builtin_bswap16 was missing prior to GCC 4.8.
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#define FLATBUFFERS_BYTESWAP16(x) \
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static_cast<uint16_t>(__builtin_bswap32(static_cast<uint32_t>(x) << 16))
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--
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2.14.1
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