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server2.sourceware.org Received: from loongson.cn (unknown [10.2.6.5]) by gateway (Coremail) with SMTP id _____8AxXOkgo3plVu8AAA--.5593S3; Thu, 14 Dec 2023 14:39:28 +0800 (CST) Received: from 5.5.5 (unknown [10.2.6.5]) by localhost.localdomain (Coremail) with SMTP id AQAAf8Cx3+EWo3pl6cUDAA--.21837S4; Thu, 14 Dec 2023 14:39:26 +0800 (CST) From: mengqinggang To: binutils@sourceware.org Cc: xuchenghua@loongson.cn, chenglulu@loongson.cn, liuzhensong@loongson.cn, cailulu@loongson.cn, xry111@xry111.site, i.swmail@xen0n.name, maskray@google.com, luweining@loongson.cn, wanglei@loongson.cn, hejinyang@loongson.cn, mengqinggang Subject: [PATCH v2 2/2] LoongArch: Add call36 and tail36 pseudo instructions for medium code model Date: Thu, 14 Dec 2023 14:39:16 +0800 Message-Id: <20231214063916.2340161-3-mengqinggang@loongson.cn> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20231214063916.2340161-1-mengqinggang@loongson.cn> References: <20231214063916.2340161-1-mengqinggang@loongson.cn> MIME-Version: 1.0 X-CM-TRANSID: AQAAf8Cx3+EWo3pl6cUDAA--.21837S4 X-CM-SenderInfo: 5phqw15lqjwttqj6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBj93XoWxGrWfJr15Xr1xWFWDZw13Awc_yoW5KF15pa 45ur4aka409FnxuFnxCry5JryfXw4xKrW29ayfGF1Skr18XryIvan5trZxXF15JayUK34S va1Sqw47uFWvqrbCm3ZEXasCq-sJn29KB7ZKAUJUUUU8529EdanIXcx71UUUUU7KY7ZEXa sCq-sGcSsGvfJ3Ic02F40EFcxC0VAKzVAqx4xG6I80ebIjqfuFe4nvWSU5nxnvy29KBjDU 0xBIdaVrnRJUUUkIb4IE77IF4wAFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2 IYs7xG6rWj6s0DM7CIcVAFz4kK6r106r15M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48v e4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Gr0_Xr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI 0_Gr0_Cr1l84ACjcxK6I8E87Iv67AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVCY1x0267AK xVW8Jr0_Cr1UM2AIxVAIcxkEcVAq07x20xvEncxIr21l57IF6xkI12xvs2x26I8E6xACxx 1l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r1q6rW5McIj6I8E87Iv 67AKxVWxJVW8Jr1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0Y48IcxkI7VAKI48JMxAIw28Icx kI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2Iq xVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI42 IY6xIIjxv20xvE14v26r1I6r4UMIIF0xvE2Ix0cI8IcVCY1x0267AKxVWUJVW8JwCI42IY 6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Gr0_Cr1lIxAIcVC2z280aV CY1x0267AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7IU1iSdDUUUUU== X-Spam-Status: No, score=-12.5 required=5.0 tests=BAYES_00, GIT_PATCH_0, KAM_DMARC_STATUS, SPF_HELO_NONE, SPF_PASS, 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: binutils@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Binutils mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: binutils-bounces+ouuuleilei=gmail.com@sourceware.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1785238395112770669 X-GMAIL-MSGID: 1785238395112770669 For tail36, it is necessary to explicitly indicate the temporary register. Therefore, the compiler and users will know that the tail will use a register. call36 func pcalau18i $ra, %call36(func) jirl $ra, $ra, 0; tail36 $t0, func pcalau18i $t0, %call36(func) jirl $zero, $t0, 0; --- gas/testsuite/gas/loongarch/medium-call.d | 10 ++++++++-- gas/testsuite/gas/loongarch/medium-call.s | 2 ++ ld/testsuite/ld-loongarch-elf/medium-call.s | 2 ++ opcodes/loongarch-opc.c | 11 +++++++++++ 4 files changed, 23 insertions(+), 2 deletions(-) diff --git a/gas/testsuite/gas/loongarch/medium-call.d b/gas/testsuite/gas/loongarch/medium-call.d index 4183818cb4f..3491760b96a 100644 --- a/gas/testsuite/gas/loongarch/medium-call.d +++ b/gas/testsuite/gas/loongarch/medium-call.d @@ -10,6 +10,12 @@ Disassembly of section .text: [ ]+0:[ ]+1e000001[ ]+pcaddu18i[ ]+\$ra, 0 [ ]+0: R_LARCH_CALL36[ ]+a [ ]+4:[ ]+4c000021[ ]+jirl[ ]+\$ra, \$ra, 0 -[ ]+8:[ ]+1e00000c[ ]+pcaddu18i[ ]+\$t0, 0 +[ ]+8:[ ]+1e000001[ ]+pcaddu18i[ ]+\$ra, 0 [ ]+8: R_LARCH_CALL36[ ]+a -[ ]+c:[ ]+4c000180[ ]+jr[ ]+\$t0 +[ ]+c:[ ]+4c000021[ ]+jirl[ ]+\$ra, \$ra, 0 +[ ]+10:[ ]+1e00000c[ ]+pcaddu18i[ ]+\$t0, 0 +[ ]+10: R_LARCH_CALL36[ ]+a +[ ]+14:[ ]+4c000180[ ]+jr[ ]+\$t0 +[ ]+18:[ ]+1e00000c[ ]+pcaddu18i[ ]+\$t0, 0 +[ ]+18: R_LARCH_CALL36[ ]+a +[ ]+1c:[ ]+4c000180[ ]+jr[ ]+\$t0 diff --git a/gas/testsuite/gas/loongarch/medium-call.s b/gas/testsuite/gas/loongarch/medium-call.s index f2977d1c6d7..74d150763c6 100644 --- a/gas/testsuite/gas/loongarch/medium-call.s +++ b/gas/testsuite/gas/loongarch/medium-call.s @@ -1,6 +1,8 @@ # call .L1, r1(ra) temp register, r1(ra) return register. + call36 a pcaddu18i $r1, %call36(a) jirl $r1, $r1, 0 # tail .L1, r12(t0) temp register, r0(zero) return register. + tail36 $r12, a pcaddu18i $r12, %call36(a) jirl $r0, $r12, 0 diff --git a/ld/testsuite/ld-loongarch-elf/medium-call.s b/ld/testsuite/ld-loongarch-elf/medium-call.s index 4d1888b76a0..50a6b8e787e 100644 --- a/ld/testsuite/ld-loongarch-elf/medium-call.s +++ b/ld/testsuite/ld-loongarch-elf/medium-call.s @@ -1,7 +1,9 @@ .L1: # call .L1, r1(ra) temp register, r1(ra) return register. + call36 .L1 pcaddu18i $r1, %call36(.L1) jirl $r1, $r1, 0 # tail .L1, r12(t0) temp register, r0(zero) return register. + tail36 $r12, .L1 pcaddu18i $r12, %call36(.L1) jirl $r0, $r12, 0 diff --git a/opcodes/loongarch-opc.c b/opcodes/loongarch-opc.c index 15c7da6340c..b47817f8f4b 100644 --- a/opcodes/loongarch-opc.c +++ b/opcodes/loongarch-opc.c @@ -293,6 +293,15 @@ const char *const loongarch_x_normal_name[32] = &LARCH_opts.ase_lp64, \ &LARCH_opts.ase_gpcr +#define INSN_LA_CALL \ + "pcaddu18i $ra,%%call36(%1);" \ + "jirl $ra,$ra,0;", \ + 0, 0 + +#define INSN_LA_TAIL \ + "pcaddu18i %1,%%call36(%2);" \ + "jirl $zero,%1,0;", \ + 0, 0 static struct loongarch_opcode loongarch_macro_opcodes[] = { @@ -340,6 +349,8 @@ static struct loongarch_opcode loongarch_macro_opcodes[] = { 0, 0, "la.tls.gd", "r,l", INSN_LA_TLS_GD64, 0 }, { 0, 0, "la.tls.gd", "r,l", INSN_LA_TLS_GD64_LARGE_ABS, 0 }, { 0, 0, "la.tls.gd", "r,r,l", INSN_LA_TLS_GD64_LARGE_PCREL, 0 }, + { 0, 0, "call36", "la", INSN_LA_CALL, 0 }, + { 0, 0, "tail36", "r,la", INSN_LA_TAIL, 0 }, { 0, 0, "pcaddi", "r,la", "pcaddi %1, %%pcrel_20(%2)", &LARCH_opts.ase_ilp32, 0, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0 } /* Terminate the list. */ };