| Message ID | 20231018222557.1562065-14-richard.henderson@linaro.org |
|---|---|
| State | New |
| Headers | show
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([71.212.149.95]) by smtp.gmail.com with ESMTPSA id 13-20020a170902c24d00b001b9d95945afsm431058plg.155.2023.10.18.15.26.10 for <qemu-devel@nongnu.org> (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 Oct 2023 15:26:10 -0700 (PDT) From: Richard Henderson <richard.henderson@linaro.org> To: qemu-devel@nongnu.org Subject: [PULL 13/29] tcg/ppc: Disable TCG_REG_TB for Power9/Power10 Date: Wed, 18 Oct 2023 15:25:41 -0700 Message-Id: <20231018222557.1562065-14-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231018222557.1562065-1-richard.henderson@linaro.org> References: <20231018222557.1562065-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::62c; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62c.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: <qemu-devel.nongnu.org> List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe> List-Archive: <https://lists.nongnu.org/archive/html/qemu-devel> List-Post: <mailto:qemu-devel@nongnu.org> List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help> List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=subscribe> Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org |
| Series |
[PULL,01/29] tcg/ppc: Untabify tcg-target.c.inc
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diff --git a/tcg/ppc/tcg-target.c.inc b/tcg/ppc/tcg-target.c.inc index 6496f76e41..c31da4da9d 100644 --- a/tcg/ppc/tcg-target.c.inc +++ b/tcg/ppc/tcg-target.c.inc @@ -83,7 +83,7 @@ #define TCG_VEC_TMP2 TCG_REG_V1 #define TCG_REG_TB TCG_REG_R31 -#define USE_REG_TB (TCG_TARGET_REG_BITS == 64) +#define USE_REG_TB (TCG_TARGET_REG_BITS == 64 && !have_isa_3_00) /* Shorthand for size of a pointer. Avoid promotion to unsigned. */ #define SZP ((int)sizeof(void *))
This appears to slightly improve performance on power9/10. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> --- tcg/ppc/tcg-target.c.inc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)