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a=ed25519-sha256; c=relaxed/relaxed; t=1728049586; s=strato-dkim-0003; d=gjlay.de; h=Subject:To:From:Date:Message-ID:Cc:Date:From:Subject:Sender; bh=ZoKAFXSpt6DDtXsKS70QkwxwUhWWenftmQEsPLWHFTE=; b=ACirU+maz5sl1HMd4MGZwnESvfehfvX3ciW3tiGaeagfoM4NGAMuQAhZWBZIfBJbTO Wn5gnoVAupWLtFv3fsBw== X-RZG-AUTH: ":LXoWVUeid/7A29J/hMvvT3koxZnKXKoq0dKoR0vVqyQb0R7G22gRW+Qr5Q==" Received: from [192.168.2.102] by smtp.strato.de (RZmta 51.2.8 AUTH) with ESMTPSA id x2e25d094DkP2HC (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256 bits)) (Client did not present a certificate); Fri, 4 Oct 2024 15:46:25 +0200 (CEST) Message-ID: <05735865-dd91-4bc3-ae58-e394af4e516f@gjlay.de> Date: Fri, 4 Oct 2024 15:46:25 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird From: Georg-Johann Lay Content-Language: en-US To: "gcc-patches@gcc.gnu.org" , Denis Chertykov Subject: [patch,avr] Implement TARGET_FLOATN_MODE X-Spam-Status: No, score=-11.5 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H4, RCVD_IN_MSPIKE_WL, SPF_HELO_PASS, SPF_NONE, TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org This patch implements TARGET_FLOATN_MODE which maps _Float32[x] to SFmode and _Float64[x] to DFmode. There is currently no library support for extended float types, but these settings are more reasonable for avr (and they make more tests pass). Ok for trunk? Johann --- AVR: Implement TARGET_FLOATN_MODE. gcc/ * config/avr/avr.cc (avr_floatn_mode): New static function. (TARGET_FLOATN_MODE): New define. diff --git a/gcc/config/avr/avr.cc b/gcc/config/avr/avr.cc index 92013c3845d..b73c251b64b 100644 --- a/gcc/config/avr/avr.cc +++ b/gcc/config/avr/avr.cc @@ -15473,6 +15473,24 @@ avr_c_mode_for_floating_type (tree_index ti) } +/* Implement `TARGET_FLOATN_MODE'. */ + +static opt_scalar_float_mode +avr_floatn_mode (int n, bool /*extended*/) +{ + if (n == 32) + return SFmode; + + // Notice that -m[long-]double= just tells which library (AVR-LibC + // or libgcc/libf7) is providing symbols like sin. DFmode support + // is provided by libf7 no matter what. + if (n == 64) + return DFmode; + + return opt_scalar_float_mode (); +} + + /* Worker function for `FLOAT_LIB_COMPARE_RETURNS_BOOL'. */ bool @@ -15705,6 +15723,9 @@ avr_use_lra_p () #undef TARGET_C_MODE_FOR_FLOATING_TYPE #define TARGET_C_MODE_FOR_FLOATING_TYPE avr_c_mode_for_floating_type +#undef TARGET_FLOATN_MODE +#define TARGET_FLOATN_MODE avr_floatn_mode + gcc_target targetm = TARGET_INITIALIZER;