From: "Philippe Mathieu-Daudé" <philmd@linaro.org>
To: Richard Henderson <richard.henderson@linaro.org>, qemu-devel@nongnu.org
Cc: qemu-arm@nongnu.org, qemu-ppc@nongnu.org, qemu-riscv@nongnu.org,
qemu-s390x@nongnu.org, jcmvbkbc@gmail.com,
kbastian@mail.uni-paderborn.de, ysato@users.sourceforge.jp,
gaosong@loongson.cn, jiaxun.yang@flygoat.com,
tsimpson@quicinc.com, ale@rev.ng, mrolnik@gmail.com,
edgar.iglesias@gmail.com
Subject: Re: [PATCH 00/76] tcg: Drop tcg_temp_free from translators
Date: Sat, 25 Feb 2023 11:11:49 +0100 [thread overview]
Message-ID: <ba88e1b1-063c-1c1a-4361-3ae0d6a15f0e@linaro.org> (raw)
In-Reply-To: <6b17a5c3-143a-42ca-ec87-dd8108aac9e9@linaro.org>
On 25/2/23 11:10, Philippe Mathieu-Daudé wrote:
> On 25/2/23 10:13, Richard Henderson wrote:
>> Based-on: 20230225085945.1798188-1-richard.henderson@linaro.org
>> ("[PATCH v3 00/30] tcg: Simplify temporary usage")
>>
>> In the above patch set, we changed the lifetime of the temps
>> allocated by the guest translators, and eliminated their reuse,
>> so that we have the best chance of reducing their strength.
>>
>> That we don't reuse them means that we gain nothing by freeing them.
>> Therefore, drop all mention of tcg_temp_free from target/.
>>
>> This may be the most negative diffstat I've ever produced. :-)
>
>> 94 files changed, 471 insertions(+), 7143 deletions(-)
>
> 7143 + 2 = 7145 by removing tcg_const_ptr():
>
> -- >8 --
> diff --git a/include/tcg/tcg.h b/include/tcg/tcg.h
> index 43ce4bfa7d..64b88268cd 100644
> --- a/include/tcg/tcg.h
> +++ b/include/tcg/tcg.h
> @@ -1020,6 +1020,4 @@ TCGv_vec tcg_constant_vec_matching(TCGv_vec match,
> unsigned vece, int64_t val);
> #if UINTPTR_MAX == UINT32_MAX
> -# define tcg_const_ptr(x) ((TCGv_ptr)tcg_const_i32((intptr_t)(x)))
> # define tcg_constant_ptr(x) ((TCGv_ptr)tcg_constant_i32((intptr_t)(x)))
> #else
> -# define tcg_const_ptr(x) ((TCGv_ptr)tcg_const_i64((intptr_t)(x)))
> # define tcg_constant_ptr(x) ((TCGv_ptr)tcg_constant_i64((intptr_t)(x)))
> diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c
> index 5bf80b22d7..ce40fac557 100644
> --- a/target/arm/translate-sve.c
> +++ b/target/arm/translate-sve.c
> @@ -4210,3 +4210,3 @@ void gen_sve_ldr(DisasContext *s, TCGv_ptr base,
> int vofs,
> TCGLabel *loop = gen_new_label();
> - TCGv_ptr tp, i = tcg_const_ptr(0);
> + TCGv_ptr tp, i = tcg_constant_ptr(NULL);
Scratch that, I missed i is modified:
tcg_gen_addi_ptr(i, i, 8);
prev parent reply other threads:[~2023-02-25 10:12 UTC|newest]
Thread overview: 101+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-25 9:13 [PATCH 00/76] tcg: Drop tcg_temp_free from translators Richard Henderson
2023-02-25 9:13 ` [PATCH 01/76] tcg: Remove tcg_check_temp_count, tcg_clear_temp_count Richard Henderson
2023-02-25 9:13 ` [PATCH 02/76] accel/tcg: Remove translator_loop_temp_check Richard Henderson
2023-02-25 9:13 ` [PATCH 03/76] target/alpha: Drop tcg_temp_free Richard Henderson
2023-02-25 9:13 ` [PATCH 04/76] target/arm: Remove arm_free_cc, a64_free_cc Richard Henderson
2023-02-25 9:13 ` [PATCH 05/76] target/arm: Remove value_global from DisasCompare Richard Henderson
2023-02-25 9:13 ` [PATCH 06/76] target/arm: Drop tcg_temp_free from translator.c Richard Henderson
2023-02-25 9:13 ` [PATCH 07/76] target/arm: Drop DisasContext.tmp_a64 Richard Henderson
2023-02-25 9:13 ` [PATCH 08/76] target/arm: Drop new_tmp_a64 Richard Henderson
2023-02-25 9:13 ` [PATCH 09/76] target/arm: Drop new_tmp_a64_zero Richard Henderson
2023-02-25 9:13 ` [PATCH 10/76] target/arm: Drop tcg_temp_free from translator-a64.c Richard Henderson
2023-02-25 9:13 ` [PATCH 11/76] target/arm: Drop tcg_temp_free from translator-m-nocp.c Richard Henderson
2023-02-25 9:13 ` [PATCH 12/76] target/arm: Drop tcg_temp_free from translator-mve.c Richard Henderson
2023-02-25 9:13 ` [PATCH 13/76] target/arm: Drop tcg_temp_free from translator-neon.c Richard Henderson
2023-02-25 9:13 ` [PATCH 14/76] target/arm: Drop tcg_temp_free from translator-sme.c Richard Henderson
2023-02-25 9:13 ` [PATCH 15/76] target/arm: Drop tcg_temp_free from translator-sve.c Richard Henderson
2023-02-25 9:13 ` [PATCH 16/76] target/arm: Drop tcg_temp_free from translator-vfp.c Richard Henderson
2023-02-25 9:13 ` [PATCH 17/76] target/arm: Drop tcg_temp_free from translator.h Richard Henderson
2023-02-25 9:13 ` [PATCH 18/76] target/avr: Drop DisasContext.free_skip_var0 Richard Henderson
2023-02-25 9:13 ` [PATCH 19/76] target/avr: Drop R from trans_COM Richard Henderson
2023-02-25 9:13 ` [PATCH 20/76] target/avr: Drop tcg_temp_free Richard Henderson
2023-02-25 9:13 ` [PATCH 21/76] target/cris: Drop cris_alu_free_temps Richard Henderson
2023-02-25 9:13 ` [PATCH 22/76] target/cris: Drop cris_alu_m_free_temps Richard Henderson
2023-02-25 9:13 ` [PATCH 23/76] target/cris: Drop addr from dec10_ind_move_m_pr Richard Henderson
2023-02-25 9:13 ` [PATCH 24/76] target/cris: Drop tcg_temp_free Richard Henderson
2023-02-25 9:13 ` [PATCH 25/76] target/cris: Drop tcg_temp_free from C code Richard Henderson
2023-02-25 9:17 ` Richard Henderson
2023-02-25 9:13 ` [PATCH 26/76] target/cris: Drop tcg_temp_free from gen_tcg_funcs.py Richard Henderson
2023-02-25 9:18 ` Richard Henderson
2023-02-25 9:13 ` [PATCH 27/76] target/hexagon/idef-parser: Drop tcg_temp_free Richard Henderson
2023-02-25 9:13 ` [PATCH 28/76] target/hexagon/idef-parser: Drop HexValue.is_manual Richard Henderson
2023-02-25 9:13 ` [PATCH 29/76] target/hppa: Drop tcg_temp_free Richard Henderson
2023-02-25 9:13 ` [PATCH 30/76] target/i386: " Richard Henderson
2023-02-25 9:13 ` [PATCH 31/76] target/loongarch: Drop temp_new Richard Henderson
2023-02-27 3:17 ` gaosong
2023-02-25 9:13 ` [PATCH 32/76] target/loongarch: Drop tcg_temp_free Richard Henderson
2023-02-27 3:18 ` gaosong
2023-02-25 9:13 ` [PATCH 33/76] target/m68k: Drop mark_to_release Richard Henderson
2023-02-25 9:13 ` [PATCH 34/76] target/m68k: Drop free_cond Richard Henderson
2023-02-25 9:13 ` [PATCH 35/76] target/m68k: Drop tcg_temp_free Richard Henderson
2023-02-25 9:13 ` [PATCH 36/76] target/microblaze: " Richard Henderson
2023-02-25 9:13 ` [PATCH 37/76] target/mips: Drop tcg_temp_free from micromips_translate.c.inc Richard Henderson
2023-02-25 9:13 ` [PATCH 38/76] target/mips: Drop tcg_temp_free from mips16e_translate.c.inc Richard Henderson
2023-02-25 9:13 ` [PATCH 39/76] target/mips: Drop tcg_temp_free from msa_translate.c Richard Henderson
2023-02-25 9:13 ` [PATCH 40/76] target/mips: Drop tcg_temp_free from mxu_translate.c Richard Henderson
2023-02-25 9:13 ` [PATCH 41/76] target/mips: Drop tcg_temp_free from nanomips_translate.c.inc Richard Henderson
2023-02-25 9:13 ` [PATCH 42/76] target/mips: Drop tcg_temp_free from octeon_translate.c Richard Henderson
2023-02-25 9:13 ` [PATCH 43/76] target/mips: Drop tcg_temp_free from translate_addr_const.c Richard Henderson
2023-02-25 9:13 ` [PATCH 44/76] target/mips: Drop tcg_temp_free from tx79_translate.c Richard Henderson
2023-02-25 9:13 ` [PATCH 45/76] target/mips: Fix trans_mult_acc return Richard Henderson
2023-02-25 19:47 ` Philippe Mathieu-Daudé
2023-02-25 9:13 ` [PATCH 46/76] target/mips: Drop tcg_temp_free from vr54xx_translate.c Richard Henderson
2023-02-25 9:13 ` [PATCH 47/76] target/mips: Drop tcg_temp_free from translate.c Richard Henderson
2023-02-25 9:13 ` [PATCH 48/76] target/nios2: Drop tcg_temp_free Richard Henderson
2023-02-25 9:14 ` [PATCH 49/76] target/openrisc: " Richard Henderson
2023-02-25 9:14 ` [PATCH 50/76] target/ppc: " Richard Henderson
2023-02-25 10:52 ` Daniel Henrique Barboza
2023-02-25 9:14 ` [PATCH 51/76] target/riscv: Drop ftemp_new Richard Henderson
2023-02-25 10:33 ` Daniel Henrique Barboza
2023-02-26 12:58 ` liweiwei
2023-02-26 13:01 ` liweiwei
2023-02-25 9:14 ` [PATCH 52/76] target/riscv: Drop temp_new Richard Henderson
2023-02-25 10:33 ` Daniel Henrique Barboza
2023-02-26 13:00 ` liweiwei
2023-02-25 9:14 ` [PATCH 53/76] target/riscv: Drop tcg_temp_free Richard Henderson
2023-02-25 10:33 ` Daniel Henrique Barboza
2023-02-26 13:04 ` liweiwei
2023-02-25 9:14 ` [PATCH 54/76] target/rx: " Richard Henderson
2023-02-25 9:14 ` [PATCH 55/76] target/s390x: Use tcg_constant_* in local contexts Richard Henderson
2023-02-25 9:14 ` [PATCH 56/76] target/s390x: Use tcg_constant_* for DisasCompare Richard Henderson
2023-02-25 9:14 ` [PATCH 57/76] target/s390x: Use tcg_constant_i32 for fpinst_extract_m34 Richard Henderson
2023-02-25 9:14 ` [PATCH 58/76] target/s390x: Use tcg_constant_* in translate_vx.c.inc Richard Henderson
2023-02-25 9:14 ` [PATCH 59/76] target/s390x: Drop free_compare Richard Henderson
2023-02-25 9:14 ` [PATCH 60/76] target/s390x: Drop tcg_temp_free from translate_vx.c.inc Richard Henderson
2023-02-25 9:14 ` [PATCH 61/76] target/s390x: Drop tcg_temp_free from translate.c Richard Henderson
2023-02-25 9:14 ` [PATCH 62/76] target/s390x: Remove assert vs g_in2 Richard Henderson
2023-02-25 9:14 ` [PATCH 63/76] target/s390x: Remove g_out, g_out2, g_in1, g_in2 from DisasContext Richard Henderson
2023-02-25 9:14 ` [PATCH 64/76] target/sh4: Drop tcg_temp_free Richard Henderson
2023-02-25 9:14 ` [PATCH 65/76] target/sparc: Drop get_temp_tl Richard Henderson
2023-02-25 9:14 ` [PATCH 66/76] target/sparc: Drop get_temp_i32 Richard Henderson
2023-03-03 19:06 ` Peter Maydell
2023-02-25 9:14 ` [PATCH 67/76] target/sparc: Remove egress label in disas_sparc_context Richard Henderson
2023-02-25 9:14 ` [PATCH 68/76] target/sparc: Drop free_compare Richard Henderson
2023-02-25 9:14 ` [PATCH 69/76] target/sparc: Drop tcg_temp_free Richard Henderson
2023-02-25 9:14 ` [PATCH 70/76] target/tricore: " Richard Henderson
2023-02-25 9:14 ` [PATCH 71/76] target/sparc: Drop reset_sar_tracker Richard Henderson
2023-02-25 9:39 ` Max Filippov
2023-02-25 9:14 ` [PATCH 72/76] target/xtensa: Drop tcg_temp_free Richard Henderson
2023-02-25 9:41 ` Max Filippov
2023-02-25 9:14 ` [PATCH 73/76] include/exec/gen-icount: Drop tcg_temp_free in gen_tb_start Richard Henderson
2023-02-25 9:14 ` [PATCH 74/76] tracing: remove transform.py Richard Henderson
2023-02-25 10:22 ` Daniel Henrique Barboza
2023-02-25 10:52 ` Daniel Henrique Barboza
2023-02-25 18:38 ` Richard Henderson
2023-02-27 3:03 ` gaosong
2023-02-25 10:53 ` Daniel Henrique Barboza
2023-02-25 9:14 ` [PATCH 75/76] tcg: Create tcg/tcg-temp-internal.h Richard Henderson
2023-02-25 9:14 ` [PATCH 76/76] docs/devel/tcg-ops: Drop recommendation to free temps Richard Henderson
2023-02-25 10:55 ` Daniel Henrique Barboza
2023-02-25 10:10 ` [PATCH 00/76] tcg: Drop tcg_temp_free from translators Philippe Mathieu-Daudé
2023-02-25 10:11 ` Philippe Mathieu-Daudé [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=ba88e1b1-063c-1c1a-4361-3ae0d6a15f0e@linaro.org \
--to=philmd@linaro.org \
--cc=ale@rev.ng \
--cc=edgar.iglesias@gmail.com \
--cc=gaosong@loongson.cn \
--cc=jcmvbkbc@gmail.com \
--cc=jiaxun.yang@flygoat.com \
--cc=kbastian@mail.uni-paderborn.de \
--cc=mrolnik@gmail.com \
--cc=qemu-arm@nongnu.org \
--cc=qemu-devel@nongnu.org \
--cc=qemu-ppc@nongnu.org \
--cc=qemu-riscv@nongnu.org \
--cc=qemu-s390x@nongnu.org \
--cc=richard.henderson@linaro.org \
--cc=tsimpson@quicinc.com \
--cc=ysato@users.sourceforge.jp \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).