From: Alexander Graf Date: Tue, 14 Aug 2012 10:53:18 +0000 (+0200) Subject: xbzrle: fix compilation on ppc32 X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=a5b71725c7067f6805eb30ff8e03dce3b6bf7a53;p=qemu.git xbzrle: fix compilation on ppc32 When compiling the xbzrle code on my ppc32 user space, I hit the following gcc compiler warning (treated as an error): cc1: warnings being treated as errors savevm.c: In function ‘xbzrle_encode_buffer’: savevm.c:2476: error: overflow in implicit constant conversion Fix this by making the cast explicit, rather than implicit. Signed-off-by: Alexander Graf --- diff --git a/savevm.c b/savevm.c index 0ea10c9b66..9ab4d83da4 100644 --- a/savevm.c +++ b/savevm.c @@ -2473,7 +2473,7 @@ int xbzrle_encode_buffer(uint8_t *old_buf, uint8_t *new_buf, int slen, /* word at a time for speed, use of 32-bit long okay */ if (!res) { /* truncation to 32-bit long okay */ - long mask = 0x0101010101010101ULL; + long mask = (long)0x0101010101010101ULL; while (i < slen) { xor = *(long *)(old_buf + i) ^ *(long *)(new_buf + i); if ((xor - mask) & ~xor & (mask << 7)) {