From: "Alex Bennée" <alex.bennee@linaro.org>
To: "Emilio G. Cota" <cota@braap.org>
Cc: qemu-devel@nongnu.org, Aurelien Jarno <aurelien@aurel32.net>,
Peter Maydell <peter.maydell@linaro.org>,
Laurent Vivier <laurent@vivier.eu>,
Richard Henderson <richard.henderson@linaro.org>,
Paolo Bonzini <pbonzini@redhat.com>,
Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Subject: Re: [Qemu-devel] [PATCH v1 06/14] softfloat: add float32_is_denormal and float64_is_denormal
Date: Tue, 27 Mar 2018 12:35:07 +0100 [thread overview]
Message-ID: <87sh8l92fo.fsf@linaro.org> (raw)
In-Reply-To: <1521663109-32262-7-git-send-email-cota@braap.org>
Emilio G. Cota <cota@braap.org> writes:
> This paves the way for upcoming work.
>
> Signed-off-by: Emilio G. Cota <cota@braap.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
> ---
> include/fpu/softfloat.h | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/include/fpu/softfloat.h b/include/fpu/softfloat.h
> index 7b9d31c..8fb44a8 100644
> --- a/include/fpu/softfloat.h
> +++ b/include/fpu/softfloat.h
> @@ -417,6 +417,11 @@ static inline int float32_is_zero_or_denormal(float32 a)
> return (float32_val(a) & 0x7f800000) == 0;
> }
>
> +static inline bool float32_is_denormal(float32 a)
> +{
> + return float32_is_zero_or_denormal(a) && !float32_is_zero(a);
> +}
> +
> static inline float32 float32_set_sign(float32 a, int sign)
> {
> return make_float32((float32_val(a) & 0x7fffffff) | (sign << 31));
> @@ -551,6 +556,11 @@ static inline int float64_is_zero_or_denormal(float64 a)
> return (float64_val(a) & 0x7ff0000000000000LL) == 0;
> }
>
> +static inline bool float64_is_denormal(float64 a)
> +{
> + return float64_is_zero_or_denormal(a) && !float64_is_zero(a);
> +}
> +
> static inline float64 float64_set_sign(float64 a, int sign)
> {
> return make_float64((float64_val(a) & 0x7fffffffffffffffULL)
--
Alex Bennée
next prev parent reply other threads:[~2018-03-27 11:35 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-21 20:11 [Qemu-devel] [PATCH v1 00/14] fp-test + hostfloat Emilio G. Cota
2018-03-21 20:11 ` [Qemu-devel] [PATCH v1 01/14] tests: add fp-bench, a collection of simple floating-point microbenchmarks Emilio G. Cota
2018-03-27 8:45 ` Alex Bennée
2018-03-27 17:21 ` Emilio G. Cota
2018-03-21 20:11 ` [Qemu-devel] [PATCH v1 02/14] tests: add fp-test, a floating point test suite Emilio G. Cota
2018-03-27 10:13 ` Alex Bennée
2018-03-27 18:00 ` Emilio G. Cota
2018-03-28 9:51 ` Alex Bennée
2018-03-28 15:36 ` Emilio G. Cota
2018-03-21 20:11 ` [Qemu-devel] [PATCH v1 03/14] softfloat: fix {min, max}nummag for same-abs-value inputs Emilio G. Cota
2018-03-27 10:15 ` Alex Bennée
2018-03-27 10:15 ` Alex Bennée
2018-03-21 20:11 ` [Qemu-devel] [PATCH v1 04/14] fp-test: add muladd variants Emilio G. Cota
2018-03-27 11:33 ` Alex Bennée
2018-03-27 18:03 ` Emilio G. Cota
2018-03-21 20:11 ` [Qemu-devel] [PATCH v1 05/14] softfloat: add float32_is_normal and float64_is_normal Emilio G. Cota
2018-03-27 11:34 ` Alex Bennée
2018-03-27 18:05 ` Emilio G. Cota
2018-03-21 20:11 ` [Qemu-devel] [PATCH v1 06/14] softfloat: add float32_is_denormal and float64_is_denormal Emilio G. Cota
2018-03-27 11:35 ` Alex Bennée [this message]
2018-03-21 20:11 ` [Qemu-devel] [PATCH v1 07/14] fpu: introduce hostfloat Emilio G. Cota
2018-03-21 20:41 ` Laurent Vivier
2018-03-21 21:45 ` Emilio G. Cota
2018-03-27 11:49 ` Alex Bennée
2018-03-27 18:16 ` Emilio G. Cota
2018-03-21 20:11 ` [Qemu-devel] [PATCH v1 08/14] hostfloat: support float32/64 addition and subtraction Emilio G. Cota
2018-03-22 5:05 ` Richard Henderson
2018-03-22 5:57 ` Emilio G. Cota
2018-03-22 6:41 ` Richard Henderson
2018-03-22 15:08 ` Emilio G. Cota
2018-03-22 15:12 ` Laurent Vivier
2018-03-22 19:57 ` Emilio G. Cota
2018-03-27 11:41 ` Alex Bennée
2018-03-27 18:08 ` Emilio G. Cota
2018-03-21 20:11 ` [Qemu-devel] [PATCH v1 09/14] hostfloat: support float32/64 multiplication Emilio G. Cota
2018-03-21 20:11 ` [Qemu-devel] [PATCH v1 10/14] hostfloat: support float32/64 division Emilio G. Cota
2018-03-21 20:11 ` [Qemu-devel] [PATCH v1 11/14] hostfloat: support float32/64 fused multiply-add Emilio G. Cota
2018-03-21 20:11 ` [Qemu-devel] [PATCH v1 12/14] hostfloat: support float32/64 square root Emilio G. Cota
2018-03-22 1:29 ` Alex Bennée
2018-03-22 4:02 ` Emilio G. Cota
2018-03-21 20:11 ` [Qemu-devel] [PATCH v1 13/14] hostfloat: support float32/64 comparison Emilio G. Cota
2018-03-21 20:11 ` [Qemu-devel] [PATCH v1 14/14] hostfloat: support float32_to_float64 Emilio G. Cota
2018-03-21 20:36 ` [Qemu-devel] [PATCH v1 00/14] fp-test + hostfloat no-reply
2018-03-22 5:02 ` no-reply
2018-03-22 8:56 ` Alex Bennée
2018-03-22 15:28 ` Emilio G. Cota
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