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[Qemu-ppc,PULL,00/44] ppc-for-2.8 queue 20160922

Message ID 87ponvoik6.fsf@abhimanyu.i-did-not-set--mail-host-address--so-tickle-me (mailing list archive)
State New, archived
Headers show

Commit Message

Nikunj A. Dadhania Sept. 22, 2016, 7:12 p.m. UTC 
Nikunj A Dadhania <nikunj@linux.vnet.ibm.com> writes:

> Peter Maydell <peter.maydell@linaro.org> writes:
>
>> On 22 September 2016 at 07:36, David Gibson <david@gibson.dropbear.id.au> wrote:
>>> The following changes since commit a008535b9fa396226ff9cf78b8ac5f3584bda58e:
>>>
>>>   build-sys: fix make install regression (2016-09-20 11:32:43 +0100)
>>>
>>> are available in the git repository at:
>>>
>>>   git://github.com/dgibson/qemu.git tags/ppc-for-2.8-20160922
>>>
>>> for you to fetch changes up to 2832da4b6fc549d5feb2cf9fe53ad98cee894327:
>>>
>>>   monitor: fix crash for platforms without a CPU 0 (2016-09-22 15:53:01 +1000)
>>>
>>> ----------------------------------------------------------------
>>> ppc patch queue 2016-09-22
>>>
>>> This is my second pull request of ppc and spapr related patches for
>>> qemu-2.8.  Included here are
>>>     * TCG implementations for more POWER9 instructions
>>>     * Some preliminary XICS fixes in preparataion for the pnv machine type
>>>     * A significant ADB (Macintosh kbd/mouse) cleanup
>>>     * Some conversions to use trace instead of debug macros
>>>     * Fixes to correctly handle global TLB flush synchronization in
>>>       TCG.  This is already a bug, but it will have much more impact
>>>       when we get MTTCG
>>>     * Add more qtest testcases for Power
>>>     * Some MAINTAINERS updates
>>>     * Assorted bugfixes
>>>
>>> This touches some test files and monitor.c which are technically
>>> outside the ppc code, but coming through this tree because the changes
>>> are primarily of interest to ppc.
>>>
>>> ----------------------------------------------------------------
>>
>> I'm afraid this fails to build with clang:
>>
>> /home/petmay01/linaro/qemu-for-merges/target-ppc/translate.c:532:16:
>> error: unused function 'L' [-Werro
>> r,-Wunused-function]
>> EXTRACT_HELPER(L, 16, 2);
>>                ^
>> 1 error generated.
>
>  +/* darn */
>  +static void gen_darn(DisasContext *ctx)
>  +{
>  +    int l = L(ctx->opcode);
>
> Used here, false positive ?

It is not a false positive, below would be needed in "[PULL 34/44]
target-ppc: implement darn instruction" as gen_darn is within
TARGET_PPC64:


Regards,
Nikunj
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Patch

diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index eb681de..4f33915 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -528,8 +528,10 @@  EXTRACT_HELPER(FPW, 16, 1);
 
 /* addpcis */
 EXTRACT_HELPER_DXFORM(DX, 10, 6, 6, 5, 16, 1, 1, 0, 0)
+#if defined(TARGET_PPC64)
 /* darn */
 EXTRACT_HELPER(L, 16, 2);
+#endif
 
 /***                            Jump target decoding                       ***/
 /* Immediate address */