From: Richard Henderson <richard.henderson@linaro.org>
To: "Alex Bennée" <alex.bennee@linaro.org>
Cc: qemu-devel@nongnu.org
Subject: Re: [PATCH v3 00/19] tcg: Better handling of constants
Date: Fri, 8 May 2020 10:02:52 -0700 [thread overview]
Message-ID: <57b9d80b-09eb-fef8-ea13-d45e10ef11ce@linaro.org> (raw)
In-Reply-To: <87pnbe4d3b.fsf@linaro.org>
On 5/8/20 9:15 AM, Alex Bennée wrote:
>
> Richard Henderson <richard.henderson@linaro.org> writes:
>
>> V3 fixes the target/sparc regression during register allocation.
>
> Which patch has the fix in it? I couldn't see any per-patch rev notes.
Patch 3:
> + /*
> + * If the input is readonly, then it cannot also be an
> + * output and aliased to itself. If the input is not
> + * dead after the instruction, we must allocate a new
> + * register and move it.
> + */
> + if (temp_readonly(ts) || !IS_DEAD_ARG(i)) {
> + goto allocate_in_reg;
> + }
> Also I'm sure I reviewed a bunch of these, did they not count because I
> found a bug ;-)
Oops, you're right. I simply missed them, having gotten distracted by the bug.
r~
prev parent reply other threads:[~2020-05-08 17:03 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-08 15:17 [PATCH v3 00/19] tcg: Better handling of constants Richard Henderson
2020-05-08 15:17 ` [PATCH v3 01/19] tcg: Consolidate 3 bits into enum TCGTempKind Richard Henderson
2020-05-08 18:57 ` Philippe Mathieu-Daudé
2020-05-08 15:17 ` [PATCH v3 02/19] tcg: Add temp_readonly Richard Henderson
2020-05-08 15:17 ` [PATCH v3 03/19] tcg: Introduce TYPE_CONST temporaries Richard Henderson
2020-05-08 15:17 ` [PATCH v3 04/19] tcg: Use tcg_constant_i32 with icount expander Richard Henderson
2020-05-08 15:17 ` [PATCH v3 05/19] tcg: Use tcg_constant_{i32, i64} with tcg int expanders Richard Henderson
2020-05-08 15:17 ` [PATCH v3 06/19] tcg: Use tcg_constant_{i32, vec} with tcg vec expanders Richard Henderson
2020-05-08 15:17 ` [PATCH v3 07/19] tcg: Use tcg_constant_{i32, i64, vec} with tcg gvec expanders Richard Henderson
2020-05-08 15:17 ` [PATCH v3 08/19] tcg: Use tcg_constant_{i32,i64} with tcg plugins Richard Henderson
2020-05-08 15:17 ` [PATCH v3 09/19] tcg: Rename struct tcg_temp_info to TempOptInfo Richard Henderson
2020-05-08 15:17 ` [PATCH v3 10/19] tcg/optimize: Improve find_better_copy Richard Henderson
2020-05-08 15:17 ` [PATCH v3 11/19] tcg/optimize: Adjust TempOptInfo allocation Richard Henderson
2020-05-08 15:17 ` [PATCH v3 12/19] tcg/optimize: Use tcg_constant_internal with constant folding Richard Henderson
2020-05-08 15:17 ` [PATCH v3 13/19] tcg/tci: Add special tci_movi_{i32,i64} opcodes Richard Henderson
2020-05-08 15:17 ` [PATCH v3 14/19] tcg: Remove movi and dupi opcodes Richard Henderson
2020-05-08 15:17 ` [PATCH v3 15/19] tcg: Use tcg_out_dupi_vec from temp_load Richard Henderson
2020-05-08 15:17 ` [PATCH v3 16/19] tcg: Increase tcg_out_dupi_vec immediate to int64_t Richard Henderson
2020-05-08 15:17 ` [PATCH v3 17/19] tcg: Add tcg_reg_alloc_dup2 Richard Henderson
2020-05-08 15:17 ` [PATCH v3 18/19] tcg/i386: Use tcg_constant_vec with tcg vec expanders Richard Henderson
2020-05-08 15:17 ` [PATCH v3 19/19] tcg: Remove tcg_gen_dup{8,16,32,64}i_vec Richard Henderson
2020-05-08 16:15 ` [PATCH v3 00/19] tcg: Better handling of constants Alex Bennée
2020-05-08 17:02 ` Richard Henderson [this message]
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