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Re: [Qemu-devel] [PATCH 15/22] target-arm: Prepare VFP_CONV_FIX helpers
From: |
Richard Henderson |
Subject: |
Re: [Qemu-devel] [PATCH 15/22] target-arm: Prepare VFP_CONV_FIX helpers for A64 uses |
Date: |
Tue, 31 Dec 2013 07:00:42 -0800 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 |
On 12/31/2013 05:35 AM, Peter Maydell wrote:
> From: Will Newton <address@hidden>
>
> Make the VFP_CONV_FIX helpers a little more flexible in
> preparation for the A64 uses. This requires two changes:
> * use the correct softfloat conversion function based on itype
> rather than always the int32 one; this is possible now that
> softfloat provides int16 versions and necessary for the
> future conversion-to-int64 A64 variants. This also allows
> us to drop the awkward 'sign' macro argument.
> * split the 'fsz' argument which currently controls both
> width of the input float type and width of the output
> integer type into two; this will allow us to specify the
> A64 64-bit-int-to-single conversion function, where the
> two widths are different.
>
> Signed-off-by: Will Newton <address@hidden>
> Signed-off-by: Peter Maydell <address@hidden>
> ---
> target-arm/helper.c | 28 ++++++++++++++--------------
> 1 file changed, 14 insertions(+), 14 deletions(-)
Reviewed-by: Richard Henderson <address@hidden>
r~
- [Qemu-devel] [PATCH 19/22] target-arm: A64: Add "Floating-point<->fixed-point" instructions, (continued)
[Qemu-devel] [PATCH 11/22] softfloat: Provide complete set of accessors for fp state, Peter Maydell, 2013/12/31
[Qemu-devel] [PATCH 15/22] target-arm: Prepare VFP_CONV_FIX helpers for A64 uses, Peter Maydell, 2013/12/31
- Re: [Qemu-devel] [PATCH 15/22] target-arm: Prepare VFP_CONV_FIX helpers for A64 uses,
Richard Henderson <=
[Qemu-devel] [PATCH 08/22] softfloat: Fix float64_to_uint64_round_to_zero, Peter Maydell, 2013/12/31
[Qemu-devel] [PATCH 20/22] target-arm: A64: Add floating-point<->integer conversion instructions, Peter Maydell, 2013/12/31
[Qemu-devel] [PATCH 01/22] softfloat: Fix exception flag handling for float32_to_float16(), Peter Maydell, 2013/12/31
[Qemu-devel] [PATCH 02/22] softfloat: Add float to 16bit integer conversions., Peter Maydell, 2013/12/31
[Qemu-devel] [PATCH 22/22] target-arm: A64: Add support for FCVT between half, single and double, Peter Maydell, 2013/12/31
[Qemu-devel] [PATCH 16/22] target-arm: Rename A32 VFP conversion helpers, Peter Maydell, 2013/12/31