Re: [Qemu-devel] [PULL 00/35] cmpxchg atomic operations

[Peter Maydell]

On 22 October 2016 at 22:04, Richard Henderson <address@hidden> wrote:
> This is v7, with the additional fix for gcc 4.2, as on Centos 6.
>
>
> r~
>
>
> The following changes since commit da158a86c407fa7b9da848b571356a26809d8df9:
>
>   Merge remote-tracking branch 
> 'remotes/berrange/tags/pull-qcrypto-2016-10-20-1' into staging (2016-10-20 
> 14:46:19 +0100)
>
> are available in the git repository at:
>
>   git://github.com/rth7680/qemu.git tags/pull-atomic-20161022
>
> for you to fetch changes up to 278c5beb29ef8b6747a7c9bde403e9fe90cdad9c:
>
>   target-alpha: Emulate LL/SC using cmpxchg helpers (2016-10-20 11:00:46 
> -0700)
>
> ----------------------------------------------------------------
> cmpxchg atomic operations
>
> ----------------------------------------------------------------

This fails to build with clang (OSX and linux):

/Users/pm215/src/qemu-for-merges/target-arm/translate.c:1019:1: error:
unused function 'gen_aa32_ld16ua
' [-Werror,-Wunused-function]
DO_GEN_LD(16ua, MO_UW | MO_ALIGN)
^
/Users/pm215/src/qemu-for-merges/target-arm/translate.c:954:20: note:
expanded from macro 'DO_GEN_LD'
static inline void gen_aa32_ld##SUFF(DisasContext *s, TCGv_i32 val,      \
                   ^
<scratch space>:130:1: note: expanded from here
gen_aa32_ld16ua
^
/Users/pm215/src/qemu-for-merges/target-arm/translate.c:1020:1: error:
unused function 'gen_aa32_ld32ua
' [-Werror,-Wunused-function]
DO_GEN_LD(32ua, MO_UL | MO_ALIGN)
^
/Users/pm215/src/qemu-for-merges/target-arm/translate.c:954:20: note:
expanded from macro 'DO_GEN_LD'
static inline void gen_aa32_ld##SUFF(DisasContext *s, TCGv_i32 val,      \
                   ^
<scratch space>:131:1: note: expanded from here
gen_aa32_ld32ua
^

The other builds passed OK.

thanks
-- PMM