From: "Alex Bennée" <alex.bennee@linaro.org>
To: Richard Henderson <richard.henderson@linaro.org>
Cc: qemu-devel@nongnu.org, philmd@linaro.org
Subject: Re: [PATCH v6 17/36] tcg: Split out tcg_gen_nonatomic_cmpxchg_i{32, 64}
Date: Wed, 01 Feb 2023 10:16:48 +0000 [thread overview]
Message-ID: <87v8klsnai.fsf@linaro.org> (raw)
In-Reply-To: <20230130214844.1158612-18-richard.henderson@linaro.org>
Richard Henderson <richard.henderson@linaro.org> writes:
> Normally this is automatically handled by the CF_PARALLEL checks
> with in tcg_gen_atomic_cmpxchg_i{32,64}, but x86 has a special
> case of !PREFIX_LOCK where it always wants the non-atomic version.
>
> Split these out so that x86 does not have to roll its own.
>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
--
Alex Bennée
Virtualisation Tech Lead @ Linaro
next prev parent reply other threads:[~2023-02-01 10:24 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-30 21:48 [PATCH v6 00/36] tcg: Support for Int128 with helpers Richard Henderson
2023-01-30 21:48 ` [PATCH v6 01/36] tcg: Define TCG_TYPE_I128 and related helper macros Richard Henderson
2023-01-30 21:48 ` [PATCH v6 02/36] tcg: Handle dh_typecode_i128 with TCG_CALL_{RET, ARG}_NORMAL Richard Henderson
2023-01-30 21:48 ` [PATCH v6 03/36] tcg: Allocate objects contiguously in temp_allocate_frame Richard Henderson
2023-01-30 21:48 ` [PATCH v6 04/36] tcg: Introduce tcg_out_addi_ptr Richard Henderson
2023-01-30 21:48 ` [PATCH v6 05/36] tcg: Add TCG_CALL_{RET,ARG}_BY_REF Richard Henderson
2023-02-01 9:38 ` Alex Bennée
2023-01-30 21:48 ` [PATCH v6 06/36] tcg: Introduce tcg_target_call_oarg_reg Richard Henderson
2023-01-30 21:48 ` [PATCH v6 07/36] tcg: Add TCG_CALL_RET_BY_VEC Richard Henderson
2023-01-30 21:48 ` [PATCH v6 08/36] include/qemu/int128: Use Int128 structure for TCI Richard Henderson
2023-01-30 21:48 ` [PATCH v6 09/36] tcg/i386: Add TCG_TARGET_CALL_{RET,ARG}_I128 Richard Henderson
2023-01-30 21:48 ` [PATCH v6 10/36] tcg/tci: Fix big-endian return register ordering Richard Henderson
2023-01-30 21:48 ` [PATCH v6 11/36] tcg/tci: Add TCG_TARGET_CALL_{RET,ARG}_I128 Richard Henderson
2023-01-30 21:48 ` [PATCH v6 12/36] tcg: " Richard Henderson
2023-01-30 21:48 ` [PATCH v6 13/36] tcg: Add temp allocation for TCGv_i128 Richard Henderson
2023-02-01 9:43 ` Alex Bennée
2023-01-30 21:48 ` [PATCH v6 14/36] tcg: Add basic data movement " Richard Henderson
2023-01-30 21:48 ` [PATCH v6 15/36] tcg: Add guest load/store primitives " Richard Henderson
2023-02-01 9:52 ` Alex Bennée
2023-02-01 19:03 ` Richard Henderson
2023-02-03 14:20 ` Philippe Mathieu-Daudé
2023-01-30 21:48 ` [PATCH v6 16/36] tcg: Add tcg_gen_{non}atomic_cmpxchg_i128 Richard Henderson
2023-02-01 10:15 ` Alex Bennée
2023-01-30 21:48 ` [PATCH v6 17/36] tcg: Split out tcg_gen_nonatomic_cmpxchg_i{32,64} Richard Henderson
2023-02-01 10:16 ` Alex Bennée [this message]
2023-01-30 21:48 ` [PATCH v6 18/36] target/arm: Use tcg_gen_atomic_cmpxchg_i128 for STXP Richard Henderson
2023-01-30 21:48 ` [PATCH v6 19/36] target/arm: Use tcg_gen_atomic_cmpxchg_i128 for CASP Richard Henderson
2023-02-01 15:04 ` Philippe Mathieu-Daudé
2023-02-01 19:05 ` Richard Henderson
2023-01-30 21:48 ` [PATCH v6 20/36] target/ppc: Use tcg_gen_atomic_cmpxchg_i128 for STQCX Richard Henderson
2023-01-30 21:48 ` [PATCH v6 21/36] tests/tcg/s390x: Add div.c Richard Henderson
2023-01-30 21:48 ` [PATCH v6 22/36] tests/tcg/s390x: Add clst.c Richard Henderson
2023-01-30 21:48 ` [PATCH v6 23/36] tests/tcg/s390x: Add long-double.c Richard Henderson
2023-01-30 21:48 ` [PATCH v6 24/36] target/s390x: Use a single return for helper_divs32/u32 Richard Henderson
2023-01-30 21:48 ` [PATCH v6 25/36] target/s390x: Use a single return for helper_divs64/u64 Richard Henderson
2023-01-30 21:48 ` [PATCH v6 26/36] target/s390x: Use Int128 for return from CLST Richard Henderson
2023-01-30 21:48 ` [PATCH v6 27/36] target/s390x: Use Int128 for return from CKSM Richard Henderson
2023-01-30 21:48 ` [PATCH v6 28/36] target/s390x: Use Int128 for return from TRE Richard Henderson
2023-01-30 21:48 ` [PATCH v6 29/36] target/s390x: Copy wout_x1 to wout_x1_P Richard Henderson
2023-02-01 14:55 ` Philippe Mathieu-Daudé
2023-01-30 21:48 ` [PATCH v6 30/36] target/s390x: Use Int128 for returning float128 Richard Henderson
2023-01-30 21:48 ` [PATCH v6 31/36] target/s390x: Use Int128 for passing float128 Richard Henderson
2023-02-03 13:25 ` Philippe Mathieu-Daudé
2023-01-30 21:48 ` [PATCH v6 32/36] target/s390x: Use tcg_gen_atomic_cmpxchg_i128 for CDSG Richard Henderson
2023-01-31 8:59 ` David Hildenbrand
2023-02-01 13:27 ` Ilya Leoshkevich
2023-02-01 13:32 ` [PATCH] tests/tcg/s390x: Add cdsg.c Ilya Leoshkevich
2023-02-01 19:07 ` Richard Henderson
2023-01-30 21:48 ` [PATCH v6 33/36] target/s390x: Implement CC_OP_NZ in gen_op_calc_cc Richard Henderson
2023-01-30 21:48 ` [PATCH v6 34/36] target/i386: Split out gen_cmpxchg8b, gen_cmpxchg16b Richard Henderson
2023-01-30 21:48 ` [PATCH v6 35/36] target/i386: Inline cmpxchg8b Richard Henderson
2023-01-30 23:21 ` Philippe Mathieu-Daudé
2023-02-01 10:19 ` Alex Bennée
2023-01-30 21:48 ` [PATCH v6 36/36] target/i386: Inline cmpxchg16b Richard Henderson
2023-01-30 23:24 ` Philippe Mathieu-Daudé
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