With a host compiler new enough to recognize power10 insns,
CROSS_CC_HAS_POWER10 is true, but we do not supply the -cpu
option to the compiler, resulting in

/tmp/ccAVdYJd.s: Assembler messages:
/tmp/ccAVdYJd.s:49: Error: unrecognized opcode: `brh'
/tmp/ccAVdYJd.s:78: Error: unrecognized opcode: `brw'
/tmp/ccAVdYJd.s:107: Error: unrecognized opcode: `brd'
make[2]: *** [byte_reverse] Error 1

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 tests/tcg/ppc64le/Makefile.target | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/tests/tcg/ppc64le/Makefile.target b/tests/tcg/ppc64le/Makefile.target
index 5e65b1590d..ba2fde5ff1 100644
--- a/tests/tcg/ppc64le/Makefile.target
+++ b/tests/tcg/ppc64le/Makefile.target
@@ -9,18 +9,12 @@ PPC64LE_TESTS=bcdsub
 endif
 bcdsub: CFLAGS += -mpower8-vector
 
-PPC64LE_TESTS += byte_reverse
 ifneq ($(DOCKER_IMAGE)$(CROSS_CC_HAS_POWER10),)
+PPC64LE_TESTS += byte_reverse
+endif
+byte_reverse: CFLAGS += -mcpu=power10
 run-byte_reverse: QEMU_OPTS+=-cpu POWER10
 run-plugin-byte_reverse-with-%: QEMU_OPTS+=-cpu POWER10
-else
-byte_reverse:
-	$(call skip-test, "BUILD of $@", "missing compiler support")
-run-byte_reverse:
-	$(call skip-test, "RUN of byte_reverse", "not built")
-run-plugin-byte_reverse-with-%:
-	$(call skip-test, "RUN of byte_reverse ($*)", "not built")
-endif
 
 PPC64LE_TESTS += signal_save_restore_xer
 
-- 
2.25.1

On 11/17/21 18:33, Richard Henderson wrote:
> With a host compiler new enough to recognize power10 insns,
> CROSS_CC_HAS_POWER10 is true, but we do not supply the -cpu
> option to the compiler, resulting in
> 
> /tmp/ccAVdYJd.s: Assembler messages:
> /tmp/ccAVdYJd.s:49: Error: unrecognized opcode: `brh'
> /tmp/ccAVdYJd.s:78: Error: unrecognized opcode: `brw'
> /tmp/ccAVdYJd.s:107: Error: unrecognized opcode: `brd'
> make[2]: *** [byte_reverse] Error 1
> 
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

This looks fine. Queued for 6.2

I would need some education on how to run these tests and reproduce.

Thanks,

C.

> ---
>   tests/tcg/ppc64le/Makefile.target | 12 +++---------
>   1 file changed, 3 insertions(+), 9 deletions(-)
> 
> diff --git a/tests/tcg/ppc64le/Makefile.target b/tests/tcg/ppc64le/Makefile.target
> index 5e65b1590d..ba2fde5ff1 100644
> --- a/tests/tcg/ppc64le/Makefile.target
> +++ b/tests/tcg/ppc64le/Makefile.target
> @@ -9,18 +9,12 @@ PPC64LE_TESTS=bcdsub
>   endif
>   bcdsub: CFLAGS += -mpower8-vector
>   
> -PPC64LE_TESTS += byte_reverse
>   ifneq ($(DOCKER_IMAGE)$(CROSS_CC_HAS_POWER10),)
> +PPC64LE_TESTS += byte_reverse
> +endif
> +byte_reverse: CFLAGS += -mcpu=power10
>   run-byte_reverse: QEMU_OPTS+=-cpu POWER10
>   run-plugin-byte_reverse-with-%: QEMU_OPTS+=-cpu POWER10
> -else
> -byte_reverse:
> -	$(call skip-test, "BUILD of $@", "missing compiler support")
> -run-byte_reverse:
> -	$(call skip-test, "RUN of byte_reverse", "not built")
> -run-plugin-byte_reverse-with-%:
> -	$(call skip-test, "RUN of byte_reverse ($*)", "not built")
> -endif
>   
>   PPC64LE_TESTS += signal_save_restore_xer
>   
> 

On 11/17/21 7:12 PM, Cédric Le Goater wrote:
> On 11/17/21 18:33, Richard Henderson wrote:
>> With a host compiler new enough to recognize power10 insns,
>> CROSS_CC_HAS_POWER10 is true, but we do not supply the -cpu
>> option to the compiler, resulting in
>>
>> /tmp/ccAVdYJd.s: Assembler messages:
>> /tmp/ccAVdYJd.s:49: Error: unrecognized opcode: `brh'
>> /tmp/ccAVdYJd.s:78: Error: unrecognized opcode: `brw'
>> /tmp/ccAVdYJd.s:107: Error: unrecognized opcode: `brd'
>> make[2]: *** [byte_reverse] Error 1
>>
>> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> 
> This looks fine. Queued for 6.2
> 
> I would need some education on how to run these tests and reproduce.

make check-tcg.


r~