From b073b7a990deb1cb3425db45642fa18c8b3cb65c Mon Sep 17 00:00:00 2001
From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Wed, 18 Nov 2009 14:53:27 +0100
Subject: [PATCH] Explicitly truncate bswap operand to uint32_t
There are some places in git where a long is passed to htonl/ntohl. llvm
doesn't support matching operands of different bitwidths intentionally.
This patch fixes the build with llvm-gcc (and clang) on x86_64.
Signed-off-by: Benjamin Kramer <benny.kra@googlemail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---
compat/bswap.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/compat/bswap.h b/compat/bswap.h
index 279e0b48b15..f3b8c441817 100644
--- a/compat/bswap.h
+++ b/compat/bswap.h
@@ -24,7 +24,7 @@ static inline uint32_t default_swab32(uint32_t val)
if (__builtin_constant_p(x)) { \
__res = default_swab32(x); \
} else { \
- __asm__("bswap %0" : "=r" (__res) : "0" (x)); \
+ __asm__("bswap %0" : "=r" (__res) : "0" ((uint32_t)(x))); \
} \
__res; })