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[2001:44b8:2176:c800:aef:59aa:1faf:7e61]) by smtp.gmail.com with ESMTPSA id o15-20020a170902d4cf00b001754fa42065sm976069plg.143.2022.11.10.23.41.41 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Nov 2022 23:41:42 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH for-8.0 v3 15/45] tcg: Introduce TCGCallReturnKind and TCGCallArgumentKind Date: Fri, 11 Nov 2022 17:40:31 +1000 Message-Id: <20221111074101.2069454-16-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221111074101.2069454-1-richard.henderson@linaro.org> References: <20221111074101.2069454-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::430; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x430.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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Prepare to replace a bunch of separate ifdefs with a consistent way to describe the abi of a function call. Signed-off-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daudé --- tcg/tcg-internal.h | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/tcg/tcg-internal.h b/tcg/tcg-internal.h index 2c06b5116a..f574743ff8 100644 --- a/tcg/tcg-internal.h +++ b/tcg/tcg-internal.h @@ -27,6 +27,21 @@ #define TCG_HIGHWATER 1024 +/* + * Describe the calling convention of a given argument type. + */ +typedef enum { + TCG_CALL_RET_NORMAL, /* by registers */ +} TCGCallReturnKind; + +typedef enum { + TCG_CALL_ARG_NORMAL, /* by registers (continuing onto stack) */ + TCG_CALL_ARG_EVEN, /* like normal, but skipping odd slots */ + TCG_CALL_ARG_EXTEND, /* for i32, as a sign/zero-extended i64 */ + TCG_CALL_ARG_EXTEND_U, /* ... as a zero-extended i64 */ + TCG_CALL_ARG_EXTEND_S, /* ... as a sign-extended i64 */ +} TCGCallArgumentKind; + typedef struct TCGHelperInfo { void *func; const char *name;