From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: mark.cave-ayland@ilande.co.uk
Subject: Re: [PATCH 00/22] target/sparc: floating-point cleanup
Date: Sun, 28 Jan 2024 16:49:42 +1000 [thread overview]
Message-ID: <a96a571b-55b7-46b4-a793-bb405ef10467@linaro.org> (raw)
In-Reply-To: <20231103173841.33651-1-richard.henderson@linaro.org>
On 11/4/23 03:38, Richard Henderson wrote:
> Major changes:
>
> (1) Get rid of the env->qt[01] temporaries and use TCGv_i128 for float128.
> (2) Perform ieee exception check within the helpers, before any writeback
> to the floating point registers.
> (3) Split env->fsr into pieces to simplify update, especially compares.
>
>
> r~
>
>
> Based-on: 20231101041132.174501-1-richard.henderson@linaro.org
> ("[PATCH v2 00/21] target/sparc: Cleanup condition codes etc")
Ping.
Prerequisites are upstream, and it rebases cleanly on master.
For reference,
https://gitlab.com/rth7680/qemu/-/commits/tgt-sparc-fp
r~
>
>
> Richard Henderson (22):
> target/sparc: Use tcg_gen_qemu_{ld,st}_i128 for ASI_M_BCOPY
> target/sparc: Use tcg_gen_qemu_{ld,st}_i128 for ASI_M_BFILL
> target/sparc: Remove gen_dest_fpr_F
> target/sparc: Introduce gen_{load,store}_fpr_Q
> target/sparc: Inline FNEG, FABS
> target/sparc: Use i128 for FSQRTq
> target/sparc: Use i128 for FADDq, FSUBq, FMULq, FDIVq
> target/sparc: Use i128 for FqTOs, FqTOi
> target/sparc: Use i128 for FqTOd, FqTOx
> target/sparc: Use i128 for FCMPq, FCMPEq
> target/sparc: Use i128 for FsTOq, FiTOq
> target/sparc: Use i128 for FdTOq, FxTOq
> target/sparc: Use i128 for Fdmulq
> target/sparc: Remove qt0, qt1 temporaries
> target/sparc: Introduce cpu_get_fsr, cpu_put_fsr
> target/split: Split ver from env->fsr
> target/sparc: Clear cexc and ftt in do_check_ieee_exceptions
> target/sparc: Merge check_ieee_exceptions with FPop helpers
> target/sparc: Split cexc and ftt from env->fsr
> target/sparc: Remove cpu_fsr
> target/sparc: Split fcc out of env->fsr
> target/sparc: Remove FSR_FTT_NMASK, FSR_FTT_CEXC_NMASK
>
> target/sparc/cpu.h | 39 +-
> target/sparc/helper.h | 116 ++----
> linux-user/sparc/cpu_loop.c | 2 +-
> linux-user/sparc/signal.c | 14 +-
> target/sparc/cpu.c | 32 +-
> target/sparc/fop_helper.c | 510 +++++++++++++----------
> target/sparc/gdbstub.c | 8 +-
> target/sparc/ldst_helper.c | 3 -
> target/sparc/machine.c | 38 +-
> target/sparc/translate.c | 799 ++++++++++++------------------------
> 10 files changed, 680 insertions(+), 881 deletions(-)
>
next prev parent reply other threads:[~2024-01-28 6:50 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-03 17:38 [PATCH 00/22] target/sparc: floating-point cleanup Richard Henderson
2023-11-03 17:38 ` [PATCH 01/22] target/sparc: Use tcg_gen_qemu_{ld, st}_i128 for ASI_M_BCOPY Richard Henderson
2023-11-03 17:38 ` [PATCH 02/22] target/sparc: Use tcg_gen_qemu_{ld, st}_i128 for ASI_M_BFILL Richard Henderson
2023-11-03 17:38 ` [PATCH 03/22] target/sparc: Remove gen_dest_fpr_F Richard Henderson
2024-01-30 7:54 ` Philippe Mathieu-Daudé
2023-11-03 17:38 ` [PATCH 04/22] target/sparc: Introduce gen_{load,store}_fpr_Q Richard Henderson
2024-01-30 7:56 ` Philippe Mathieu-Daudé
2023-11-03 17:38 ` [PATCH 05/22] target/sparc: Inline FNEG, FABS Richard Henderson
2024-01-30 8:04 ` Philippe Mathieu-Daudé
2024-01-30 8:40 ` Philippe Mathieu-Daudé
2024-02-02 4:32 ` Richard Henderson
2023-11-03 17:38 ` [PATCH 06/22] target/sparc: Use i128 for FSQRTq Richard Henderson
2023-11-03 17:38 ` [PATCH 07/22] target/sparc: Use i128 for FADDq, FSUBq, FMULq, FDIVq Richard Henderson
2023-11-03 17:38 ` [PATCH 08/22] target/sparc: Use i128 for FqTOs, FqTOi Richard Henderson
2023-11-03 17:38 ` [PATCH 09/22] target/sparc: Use i128 for FqTOd, FqTOx Richard Henderson
2023-11-03 17:38 ` [PATCH 10/22] target/sparc: Use i128 for FCMPq, FCMPEq Richard Henderson
2023-11-03 17:38 ` [PATCH 11/22] target/sparc: Use i128 for FsTOq, FiTOq Richard Henderson
2023-11-03 17:38 ` [PATCH 12/22] target/sparc: Use i128 for FdTOq, FxTOq Richard Henderson
2023-11-03 17:38 ` [PATCH 13/22] target/sparc: Use i128 for Fdmulq Richard Henderson
2023-11-03 17:38 ` [PATCH 14/22] target/sparc: Remove qt0, qt1 temporaries Richard Henderson
2023-11-03 17:38 ` [PATCH 15/22] target/sparc: Introduce cpu_get_fsr, cpu_put_fsr Richard Henderson
2024-01-30 8:10 ` Philippe Mathieu-Daudé
2023-11-03 17:38 ` [PATCH 16/22] target/split: Split ver from env->fsr Richard Henderson
2024-01-30 8:11 ` Philippe Mathieu-Daudé
2024-01-30 12:56 ` BALATON Zoltan
2023-11-03 17:38 ` [PATCH 17/22] target/sparc: Clear cexc and ftt in do_check_ieee_exceptions Richard Henderson
2023-11-03 17:38 ` [PATCH 18/22] target/sparc: Merge check_ieee_exceptions with FPop helpers Richard Henderson
2023-11-03 17:38 ` [PATCH 19/22] target/sparc: Split cexc and ftt from env->fsr Richard Henderson
2023-11-03 17:38 ` [PATCH 20/22] target/sparc: Remove cpu_fsr Richard Henderson
2023-11-03 17:38 ` [PATCH 21/22] target/sparc: Split fcc out of env->fsr Richard Henderson
2023-11-03 17:38 ` [PATCH 22/22] target/sparc: Remove FSR_FTT_NMASK, FSR_FTT_CEXC_NMASK Richard Henderson
2024-01-28 6:49 ` Richard Henderson [this message]
2024-01-29 21:50 ` [PATCH 00/22] target/sparc: floating-point cleanup Mark Cave-Ayland
2024-01-31 21:49 ` Mark Cave-Ayland
2024-02-02 5:36 ` Richard Henderson
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