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(unknown [IPv6:240e:358:117f:3500:dc73:854d:832e:2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384) server-digest SHA384) (Client did not present a certificate) (Authenticated sender: xry111@xry111.site) by xry111.site (Postfix) with ESMTPSA id 94D3C66B1C; Mon, 2 Oct 2023 23:46:29 -0400 (EDT) From: Xi Ruoyao To: gcc-patches@gcc.gnu.org Cc: chenglulu , i@xen0n.name, xuchenghua@loongson.cn, Xi Ruoyao Subject: [PATCH] LoongArch: Replace UNSPEC_FCOPYSIGN with copysign RTL Date: Tue, 3 Oct 2023 11:46:03 +0800 Message-ID: <20231003034619.15383-1-xry111@xry111.site> X-Mailer: git-send-email 2.42.0 MIME-Version: 1.0 X-Spam-Status: No, score=-9.0 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, KAM_SHORT, LIKELY_SPAM_FROM, SPF_HELO_PASS, SPF_PASS, 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+ouuuleilei=gmail.com@gcc.gnu.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1778704531022302609 X-GMAIL-MSGID: 1778704531022302609 When I added copysign support for LoongArch (r13-3702), we did not have a copysign RTL insn, so I had to use UNSPEC to represent the copysign instruction. Now the copysign RTX code has been added in r14-1586, so this patch removes those UNSPECs, and it uses the native RTL copysign insn. Inspired by rs6000 patch "Cleanup: Replace UNSPEC_COPYSIGN with copysign RTL" [1] from Michael Meissner. [1]: https://gcc.gnu.org/pipermail/gcc-patches/2023-September/631701.html gcc/ChangeLog: * config/loongarch/loongarch.md (UNSPEC_FCOPYSIGN): Delete. (copysign3): Use copysign RTL instead of UNSPEC. --- Bootstrapped and regtested on loongarch64-linux-gnu. Ok for trunk? gcc/config/loongarch/loongarch.md | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/gcc/config/loongarch/loongarch.md b/gcc/config/loongarch/loongarch.md index 2b09209945b..9916c741641 100644 --- a/gcc/config/loongarch/loongarch.md +++ b/gcc/config/loongarch/loongarch.md @@ -37,7 +37,6 @@ (define_c_enum "unspec" [ UNSPEC_FCLASS UNSPEC_FMAX UNSPEC_FMIN - UNSPEC_FCOPYSIGN UNSPEC_FTINT UNSPEC_FTINTRM UNSPEC_FTINTRP @@ -1130,9 +1129,8 @@ (define_insn "abs2" (define_insn "copysign3" [(set (match_operand:ANYF 0 "register_operand" "=f") - (unspec:ANYF [(match_operand:ANYF 1 "register_operand" "f") - (match_operand:ANYF 2 "register_operand" "f")] - UNSPEC_FCOPYSIGN))] + (copysign:ANYF (match_operand:ANYF 1 "register_operand" "f") + (match_operand:ANYF 2 "register_operand" "f")))] "TARGET_HARD_FLOAT" "fcopysign.\t%0,%1,%2" [(set_attr "type" "fcopysign")