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From: "Alex Bennée" <alex.bennee@linaro.org>
To: Richard Henderson <richard.henderson@linaro.org>
Cc: qemu-devel@nongnu.org, peter.maydell@linaro.org
Subject: Re: [Qemu-devel] [PATCH 03/19] fpu/softfloat: Move softfloat-specialize.h below FloatParts definition
Date: Fri, 11 May 2018 08:48:01 +0100	[thread overview]
Message-ID: <87efiivdji.fsf@linaro.org> (raw)
In-Reply-To: <20180511004345.26708-4-richard.henderson@linaro.org>


Richard Henderson <richard.henderson@linaro.org> writes:

> We want to be able to specialize on the canonical representation.
>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>

> ---
>  fpu/softfloat.c | 20 ++++++++++----------
>  1 file changed, 10 insertions(+), 10 deletions(-)
>
> diff --git a/fpu/softfloat.c b/fpu/softfloat.c
> index e7c8213a5e..5e4982b035 100644
> --- a/fpu/softfloat.c
> +++ b/fpu/softfloat.c
> @@ -95,16 +95,6 @@ this code that are retained.
>  *----------------------------------------------------------------------------*/
>  #include "fpu/softfloat-macros.h"
>
> -/*----------------------------------------------------------------------------
> -| Functions and definitions to determine:  (1) whether tininess for underflow
> -| is detected before or after rounding by default, (2) what (if anything)
> -| happens when exceptions are raised, (3) how signaling NaNs are distinguished
> -| from quiet NaNs, (4) the default generated quiet NaNs, and (5) how NaNs
> -| are propagated from function inputs to output.  These details are target-
> -| specific.
> -*----------------------------------------------------------------------------*/
> -#include "softfloat-specialize.h"
> -
>  /*----------------------------------------------------------------------------
>  | Returns the fraction bits of the half-precision floating-point value `a'.
>  *----------------------------------------------------------------------------*/
> @@ -241,6 +231,16 @@ typedef struct {
>      bool arm_althp;
>  } FloatFmt;
>
> +/*----------------------------------------------------------------------------
> +| Functions and definitions to determine:  (1) whether tininess for underflow
> +| is detected before or after rounding by default, (2) what (if anything)
> +| happens when exceptions are raised, (3) how signaling NaNs are distinguished
> +| from quiet NaNs, (4) the default generated quiet NaNs, and (5) how NaNs
> +| are propagated from function inputs to output.  These details are target-
> +| specific.
> +*----------------------------------------------------------------------------*/
> +#include "softfloat-specialize.h"
> +
>  /* Expand fields based on the size of exponent and fraction */
>  #define FLOAT_PARAMS(E, F)                                           \
>      .exp_size       = E,                                             \


--
Alex Bennée

  reply	other threads:[~2018-05-11  7:48 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-11  0:43 [Qemu-devel] [PATCH 00/19] softfloat: Clean up NaN handling Richard Henderson
2018-05-11  0:43 ` [Qemu-devel] [PATCH 01/19] fpu/softfloat: Merge NO_SIGNALING_NANS definitions Richard Henderson
2018-05-11  6:44   ` Alex Bennée
2018-05-11  0:43 ` [Qemu-devel] [PATCH 02/19] fpu/softfloat: Split floatXX_silence_nan from floatXX_maybe_silence_nan Richard Henderson
2018-05-11  7:47   ` Alex Bennée
2018-05-11 15:06     ` Alex Bennée
2018-05-11 15:16       ` Richard Henderson
2018-05-11  0:43 ` [Qemu-devel] [PATCH 03/19] fpu/softfloat: Move softfloat-specialize.h below FloatParts definition Richard Henderson
2018-05-11  7:48   ` Alex Bennée [this message]
2018-05-11  0:43 ` [Qemu-devel] [PATCH 04/19] fpu/softfloat: Canonicalize NaN fraction Richard Henderson
2018-05-11 16:26   ` Alex Bennée
2018-05-11 16:46     ` Richard Henderson
2018-05-11  0:43 ` [Qemu-devel] [PATCH 05/19] fpu/softfloat: Introduce parts_is_snan_frac Richard Henderson
2018-05-11  0:43 ` [Qemu-devel] [PATCH 06/19] fpu/softfloat: Replace float_class_dnan with parts_default_nan Richard Henderson
2018-05-11  0:43 ` [Qemu-devel] [PATCH 07/19] fpu/softfloat: Replace float_class_msnan with parts_silence_nan Richard Henderson
2018-05-11  0:43 ` [Qemu-devel] [PATCH 08/19] target/arm: Use floatX_silence_nan when we have already checked for SNaN Richard Henderson
2018-05-11  0:43 ` [Qemu-devel] [PATCH 09/19] target/arm: Remove floatX_maybe_silence_nan from conversions Richard Henderson
2018-05-11  0:43 ` [Qemu-devel] [PATCH 10/19] target/hppa: " Richard Henderson
2018-05-11  0:43 ` [Qemu-devel] [PATCH 11/19] target/m68k: Use floatX_silence_nan when we have already checked for SNaN Richard Henderson
2018-05-11 10:11   ` Laurent Vivier
2018-05-11  0:43 ` [Qemu-devel] [PATCH 12/19] target/mips: Remove floatX_maybe_silence_nan from conversions Richard Henderson
2018-05-11  0:43 ` [Qemu-devel] [PATCH 13/19] target/riscv: " Richard Henderson
2018-05-11  0:43 ` [Qemu-devel] [PATCH 14/19] target/s390x: " Richard Henderson
2018-05-11  6:47   ` David Hildenbrand
2018-05-11  0:43 ` [Qemu-devel] [PATCH 15/19] fpu/softfloat: Use float*_silence_nan in propagateFloat*NaN Richard Henderson
2018-05-11  0:43 ` [Qemu-devel] [PATCH 16/19] fpu/softfloat: Remove floatX_maybe_silence_nan Richard Henderson
2018-05-11  0:43 ` [Qemu-devel] [PATCH 17/19] fpu/softfloat: Introduce SNAN_BIT_IS_ONE Richard Henderson
2018-05-11  0:43 ` [Qemu-devel] [PATCH 18/19] fpu/softfloat: Pass FloatClass to pickNaN Richard Henderson
2018-05-11  0:43 ` [Qemu-devel] [PATCH 19/19] fpu/softfloat: Pass FloatClass to pickNaNMulAdd Richard Henderson

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