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Re: [Qemu-arm] [PATCH 03/12] target/arm: Stop using cpu_F0s for NEON_2RM
From: |
Richard Henderson |
Subject: |
Re: [Qemu-arm] [PATCH 03/12] target/arm: Stop using cpu_F0s for NEON_2RM_VABS_F |
Date: |
Thu, 13 Jun 2019 14:25:16 -0700 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 |
On 6/13/19 9:39 AM, Peter Maydell wrote:
> Where Neon instructions are floating point operations, we
> mostly use the old VFP utility functions like gen_vfp_abs()
> which work on the TCG globals cpu_F0s and cpu_F1s. The
> Neon for-each-element loop conditionally loads the inputs
> into either a plain old TCG temporary for most operations
> or into cpu_F0s for float operations, and similarly stores
> back either cpu_F0s or the temporary.
>
> Switch NEON_2RM_VABS_F away from using cpu_F0s, and
> update neon_2rm_is_float_op() accordingly.
>
> Signed-off-by: Peter Maydell <address@hidden>
> ---
> target/arm/translate.c | 19 ++++++++-----------
> 1 file changed, 8 insertions(+), 11 deletions(-)
Reviewed-by: Richard Henderson <address@hidden>
r~
- [Qemu-arm] [PATCH 00/12] target/arm: VFP decodetree conversion followups, Peter Maydell, 2019/06/13
- [Qemu-arm] [PATCH 03/12] target/arm: Stop using cpu_F0s for NEON_2RM_VABS_F, Peter Maydell, 2019/06/13
- Re: [Qemu-arm] [PATCH 03/12] target/arm: Stop using cpu_F0s for NEON_2RM_VABS_F,
Richard Henderson <=
- [Qemu-arm] [PATCH 02/12] target/arm: Use vfp_expand_imm() for AArch32 VFP VMOV_imm, Peter Maydell, 2019/06/13
- [Qemu-arm] [PATCH 07/12] target/arm: Stop using cpu_F0s for NEON_2RM_VRECPE_F and NEON_2RM_VRSQRTE_F, Peter Maydell, 2019/06/13
- [Qemu-arm] [PATCH 10/12] target/arm: stop using deprecated functions in NEON_2RM_VCVT_F16_F32, Peter Maydell, 2019/06/13
- [Qemu-arm] [PATCH 06/12] target/arm: Stop using cpu_F0s for NEON_2RM_VCVT[ANPM][US], Peter Maydell, 2019/06/13
- [Qemu-arm] [PATCH 01/12] target/arm: Move vfp_expand_imm() to translate.[ch], Peter Maydell, 2019/06/13