From: Richard Henderson <richard.henderson@linaro.org>
To: "Alex Bennée" <alex.bennee@linaro.org>
Cc: peter.maydell@linaro.org, qemu-arm@nongnu.org,
"Philippe Mathieu-Daudé" <philmd@redhat.com>,
qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH v1 7/9] tests/tcg: add float_madds test to multiarch
Date: Wed, 18 Sep 2019 08:14:53 -0700 [thread overview]
Message-ID: <376bc2c5-b5c7-b35a-1adb-460b37cd4a6a@linaro.org> (raw)
In-Reply-To: <87zhj1zvnl.fsf@linaro.org>
On 9/18/19 4:33 AM, Alex Bennée wrote:
>>> Ahh I was going to hardcode the arm madd instruction in as the builtin
>>> wasn't expanding. I tried setting -march in the CFLAGS but that didn't
>>> trigger it either on my buster arm-hf compiler. Any ideas how to get the
>>> compiler to do the right thing?
>>
>> I think you want -mfpu=neon-vfpv4.
>
> Ahh that worked. I would have hoped that v8 would be enough to spit out
> aarch32 code which has to have VFPv4 for A profile right?
I would have thought so. I'm not sure why -march=armv8-a wouldn't work.
r~
next prev parent reply other threads:[~2019-09-18 15:17 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-17 18:41 [Qemu-devel] [PATCH v1 0/9] testing/next (docker,podman,float) Alex Bennée
2019-09-17 18:41 ` [Qemu-devel] [PATCH v1 1/9] tests/docker: add sanitizers back to clang build Alex Bennée
2019-09-17 18:43 ` John Snow
2019-09-17 18:41 ` [Qemu-devel] [PATCH v1 2/9] tests/docker: fix DOCKER_PARTIAL_IMAGES Alex Bennée
2019-09-17 19:44 ` Philippe Mathieu-Daudé
2019-09-17 18:41 ` [Qemu-devel] [PATCH v1 3/9] podman: fix command invocation Alex Bennée
2019-09-17 18:41 ` [Qemu-devel] [PATCH v1 4/9] target/ppc: fix signal delivery for ppc64abi32 Alex Bennée
2019-09-17 18:41 ` [Qemu-devel] [PATCH v1 5/9] tests/tcg: clean-up some comments after the de-tangling Alex Bennée
2019-09-17 18:41 ` [Qemu-devel] [PATCH v1 6/9] tests/tcg: re-enable linux-test for ppc64abi32 Alex Bennée
2019-09-17 18:41 ` [Qemu-devel] [PATCH v1 7/9] tests/tcg: add float_madds test to multiarch Alex Bennée
2019-09-17 19:46 ` Richard Henderson
2019-09-17 21:00 ` Alex Bennée
2019-09-17 21:28 ` Richard Henderson
2019-09-18 11:33 ` Alex Bennée
2019-09-18 15:14 ` Richard Henderson [this message]
2019-09-17 18:41 ` [Qemu-devel] [PATCH v1 8/9] tests/tcg: add generic version of float_convs Alex Bennée
2019-09-17 19:49 ` Richard Henderson
2019-09-17 20:57 ` Alex Bennée
2019-09-17 21:31 ` Richard Henderson
2019-09-17 18:41 ` [Qemu-devel] [PATCH v1 9/9] tests/tcg: add refs for PPC float_[convs|madds] tests (FAILS TESTS) Alex Bennée
2019-09-18 8:02 ` [Qemu-devel] [PATCH v1 0/9] testing/next (docker, podman, float) no-reply
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