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Mon, 26 Feb 2024 20:57:02 +0100 (CET) Message-ID: <1df3cf07-e16a-42de-b6e0-ce38cc01bbd9@gjlay.de> Date: Mon, 26 Feb 2024 20:57:02 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Content-Language: en-US From: Georg-Johann Lay To: gcc-patches@gcc.gnu.org Subject: [avr,patch,applied] Remove some dead code X-Spam-Status: No, score=-10.7 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, T_SCC_BODY_TEXT_LINE 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+ouuuleilei=gmail.com@gcc.gnu.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1791992754713005481 X-GMAIL-MSGID: 1791992754713005481 This code was dead in the block where it lived, because avr_adiw_reg_p() is only true when ADIW and SBIW are available -- which is not the case for AVR_TINY. Johann --- AVR: Dead code removal. gcc/ * config/avr/avr.cc (avr_out_compare) [AVR_TINY]: Remove code in an "if avr_adiw_reg_p()" block that's dead for AVR_TINY. diff --git a/gcc/config/avr/avr.cc b/gcc/config/avr/avr.cc index d3756a2f036..655a8e89fdc 100644 --- a/gcc/config/avr/avr.cc +++ b/gcc/config/avr/avr.cc @@ -6291,10 +6291,7 @@ avr_out_compare (rtx_insn *insn, rtx *xop, int *plen) && (val8 == 0 || reg_unused_after (insn, xreg))) { - if (AVR_TINY) - avr_asm_len (TINY_SBIW (%A0, %B0, %1), xop, plen, 2); - else - avr_asm_len ("sbiw %0,%1", xop, plen, 1); + avr_asm_len ("sbiw %0,%1", xop, plen, 1); i++; continue; @@ -6305,9 +6302,7 @@ avr_out_compare (rtx_insn *insn, rtx *xop, int *plen) && compare_eq_p (insn) && reg_unused_after (insn, xreg)) { - return AVR_TINY - ? avr_asm_len (TINY_ADIW (%A0, %B0, %n1), xop, plen, 2) - : avr_asm_len ("adiw %0,%n1", xop, plen, 1); + return avr_asm_len ("adiw %0,%n1", xop, plen, 1); } }