Message ID | 20230823145542.79633-8-philmd@linaro.org |
---|---|
State | New |
Headers | show
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[176.172.10.165]) by smtp.gmail.com with ESMTPSA id v15-20020a170906564f00b0099cbe71f3b5sm9808961ejr.0.2023.08.23.07.56.22 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Wed, 23 Aug 2023 07:56:23 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= <philmd@linaro.org> To: qemu-devel@nongnu.org Cc: Richard Henderson <richard.henderson@linaro.org>, "Edgar E. Iglesias" <edgar.iglesias@gmail.com>, Paolo Bonzini <pbonzini@redhat.com>, =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= <philmd@linaro.org> Subject: [PATCH v2 7/8] tcg/tcg-op: Document wswap_i64() byte pattern Date: Wed, 23 Aug 2023 16:55:41 +0200 Message-ID: <20230823145542.79633-8-philmd@linaro.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230823145542.79633-1-philmd@linaro.org> References: <20230823145542.79633-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::133; envelope-from=philmd@linaro.org; helo=mail-lf1-x133.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+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org |
Series |
tcg: Document *swap* helper implementations
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expand
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diff --git a/tcg/tcg-op.c b/tcg/tcg-op.c index 94134981a9..65a2e5462e 100644 --- a/tcg/tcg-op.c +++ b/tcg/tcg-op.c @@ -1926,6 +1926,11 @@ void tcg_gen_hswap_i64(TCGv_i64 ret, TCGv_i64 arg) tcg_temp_free_i64(t1); } +/* + * wswap_i64: Swap 32-bit words within a 64-bit value. + * + * Byte pattern: wswap_i64(abcdefgh) -> efghabcd + */ void tcg_gen_wswap_i64(TCGv_i64 ret, TCGv_i64 arg) { /* Swapping 2 32-bit elements is a rotate. */