On 2015-03-03 03:20, Michael Qiu wrote: > /i686-native-linuxapp-gcc/include/rte_memcpy.h:592:23: error: > cast from pointer to integer of different size > [-Werror=pointer-to-int-cast] > > dstofss = 16 - (int)((long long)(void *)dst & 0x0F) + 16; > > Type 'long long' is 64-bit in i686 platform while 'void *' > is 32-bit. > > Signed-off-by: Michael Qiu <michael.qiu at intel.com> > --- > v2 --> v1: > Remove unnecessary casting (void *) > > lib/librte_eal/common/include/arch/x86/rte_memcpy.h | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/lib/librte_eal/common/include/arch/x86/rte_memcpy.h > b/lib/librte_eal/common/include/arch/x86/rte_memcpy.h > index 7b2d382..85a5f4d 100644 > --- a/lib/librte_eal/common/include/arch/x86/rte_memcpy.h > +++ b/lib/librte_eal/common/include/arch/x86/rte_memcpy.h > @@ -589,12 +589,12 @@ COPY_BLOCK_64_BACK15: > * unaligned copy functions require up to 15 bytes > * backwards access. > */ > - dstofss = 16 - (int)((long long)(void *)dst & 0x0F) + 16; > + dstofss = 16 - (int)((long)dst & 0x0F) + 16; > n -= dstofss; > rte_mov32((uint8_t *)dst, (const uint8_t *)src); > src = (const uint8_t *)src + dstofss; > dst = (uint8_t *)dst + dstofss; > - srcofs = (int)((long long)(const void *)src & 0x0F); > + srcofs = (int)((long)src & 0x0F); > > /** > * For aligned copy >
I think you should use here size_t, (u)ptrdiff_t or (u)intptr_t as this will be more portable. Also type of dstofss and srcofs should be changed accordingly. -- Pawel
