From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from eggs.gnu.org (eggs.gnu.org [IPv6:2001:470:142:3::10]) by sourceware.org (Postfix) with ESMTPS id A62383858D1E for ; Sat, 9 Sep 2023 07:42:47 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org A62383858D1E Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=loongson.cn Authentication-Results: sourceware.org; spf=fail smtp.mailfrom=loongson.cn Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qesc7-0007a0-JS for gcc-patches@gcc.gnu.org; Sat, 09 Sep 2023 03:42:47 -0400 Received: from loongson.cn (unknown [10.20.4.107]) by gateway (Coremail) with SMTP id _____8AxDOvpIfxke_IiAA--.63710S3; Sat, 09 Sep 2023 15:42:34 +0800 (CST) Received: from loongson-pc.loongson.cn (unknown [10.20.4.107]) by localhost.localdomain (Coremail) with SMTP id AQAAf8AxDCPmIfxkCctzAA--.61102S2; Sat, 09 Sep 2023 15:42:32 +0800 (CST) From: Lulu Cheng To: gcc-patches@gcc.gnu.org Cc: xry111@xry111.site, i@xen0n.name, xuchenghua@loongson.cn, Lulu Cheng Subject: [PATCH v1] LoongArch: Fix bug of 'di3_fake'. Date: Sat, 9 Sep 2023 15:42:10 +0800 Message-Id: <20230909074209.1187-1-chenglulu@loongson.cn> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID:AQAAf8AxDCPmIfxkCctzAA--.61102S2 X-CM-SenderInfo: xfkh0wpoxo3qxorr0wxvrqhubq/ X-Coremail-Antispam: 1Uk129KBj93XoWxCF1fZFW7KF45Wr4rWw1rAFc_yoW5Wryrp3 9rCw15tr48JFZ7K3W8tayYqw45Krn7GF429FZxJryIyF17XryFv3W0yr9IqF15Xa1Fqr43 Xw4S9w1UZF43KwcCm3ZEXasCq-sJn29KB7ZKAUJUUUU8529EdanIXcx71UUUUU7KY7ZEXa sCq-sGcSsGvfJ3Ic02F40EFcxC0VAKzVAqx4xG6I80ebIjqfuFe4nvWSU5nxnvy29KBjDU 0xBIdaVrnRJUUUk2b4IE77IF4wAFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2 IYs7xG6rWj6s0DM7CIcVAFz4kK6r106r15M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48v e4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Jr0_JF4l84ACjcxK6xIIjxv20xvEc7CjxVAFwI 0_Jr0_Gr1l84ACjcxK6I8E87Iv67AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVCY1x0267AK xVW8Jr0_Cr1UM2AIxVAIcxkEcVAq07x20xvEncxIr21l57IF6xkI12xvs2x26I8E6xACxx 1l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r1Y6r17McIj6I8E87Iv 67AKxVW8JVWxJwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41l42xK82IYc2 Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s02 6x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r126r1DMIIYrxkI7VAKI48JMIIF0x vE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF7I0E14v26r1j6r4UMIIF0xvE 42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVW8JVWxJwCI42IY6I8E87Iv6x kF7I0E14v26r4j6r4UJbIYCTnIWIevJa73UjIFyTuYvjxUcrWFUUUUU Received-SPF: pass client-ip=114.242.206.163; envelope-from=chenglulu@loongson.cn; helo=mail.loongson.cn X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9,SPF_HELO_NONE=0.001,SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Spam-Status: No, score=-13.7 required=5.0 tests=BAYES_00,GIT_PATCH_0,KAM_DMARC_STATUS,KAM_SHORT,SPF_FAIL,SPF_HELO_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 List-Id: PR 111334 gcc/ChangeLog: * config/loongarch/loongarch.md: Fix bug of di3_fake. gcc/testsuite/ChangeLog: * gcc.target/loongarch/pr111334.c: New test. --- gcc/config/loongarch/loongarch.md | 14 +++++-- gcc/testsuite/gcc.target/loongarch/pr111334.c | 39 +++++++++++++++++++ 2 files changed, 49 insertions(+), 4 deletions(-) create mode 100644 gcc/testsuite/gcc.target/loongarch/pr111334.c diff --git a/gcc/config/loongarch/loongarch.md b/gcc/config/loongarch/loongarch.md index 1dc6b524416..3fa32562aa6 100644 --- a/gcc/config/loongarch/loongarch.md +++ b/gcc/config/loongarch/loongarch.md @@ -72,6 +72,9 @@ (define_c_enum "unspec" [ UNSPEC_LUI_H_HI12 UNSPEC_TLS_LOW + ;; Fake div.w[u] mod.w[u] + UNSPEC_FAKE_ANY_DIV + UNSPEC_SIBCALL_VALUE_MULTIPLE_INTERNAL_1 UNSPEC_CALL_VALUE_MULTIPLE_INTERNAL_1 ]) @@ -900,7 +903,7 @@ (define_expand "3" (match_operand:GPR 2 "register_operand")))] "" { - if (GET_MODE (operands[0]) == SImode) + if (GET_MODE (operands[0]) == SImode && TARGET_64BIT) { rtx reg1 = gen_reg_rtx (DImode); rtx reg2 = gen_reg_rtx (DImode); @@ -938,9 +941,12 @@ (define_insn "*3" (define_insn "di3_fake" [(set (match_operand:DI 0 "register_operand" "=r,&r,&r") (sign_extend:DI - (any_div:SI (match_operand:DI 1 "register_operand" "r,r,0") - (match_operand:DI 2 "register_operand" "r,r,r"))))] - "" + (unspec:SI + [(subreg:SI + (any_div:DI (match_operand:DI 1 "register_operand" "r,r,0") + (match_operand:DI 2 "register_operand" "r,r,r")) 0)] + UNSPEC_FAKE_ANY_DIV)))] + "TARGET_64BIT" { return loongarch_output_division (".w\t%0,%1,%2", operands); } diff --git a/gcc/testsuite/gcc.target/loongarch/pr111334.c b/gcc/testsuite/gcc.target/loongarch/pr111334.c new file mode 100644 index 00000000000..47366afcb74 --- /dev/null +++ b/gcc/testsuite/gcc.target/loongarch/pr111334.c @@ -0,0 +1,39 @@ +/* { dg-do compile } */ +/* { dg-options "-O2" } */ + +unsigned +util_next_power_of_two (unsigned x) +{ + return (1 << __builtin_clz (x - 1)); +} + +extern int create_vec_from_array (void); + +struct ac_shader_args { + struct { + unsigned char offset; + unsigned char size; + } args[384]; +}; + +struct isel_context { + const struct ac_shader_args* args; + int arg_temps[384]; +}; + + +void +add_startpgm (struct isel_context* ctx, unsigned short arg_count) +{ + + for (unsigned i = 0, arg = 0; i < arg_count; i++) + { + unsigned size = ctx->args->args[i].size; + unsigned reg = ctx->args->args[i].offset; + + if (reg % ( 4 < util_next_power_of_two (size) + ? 4 : util_next_power_of_two (size))) + ctx->arg_temps[i] = create_vec_from_array (); + } +} + -- 2.31.1