From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by sourceware.org (Postfix) with ESMTP id 114783858402 for ; Mon, 29 Jan 2024 08:22:25 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 114783858402 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=loongson.cn Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=loongson.cn ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 114783858402 Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=114.242.206.163 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1706516556; cv=none; b=g0kwU7j0zutNriDjpijVARqrXt3yCEnGYgZznLqDXFGXc5DIms8RfpRDp7YE+bVuGabkuV6+8JwO4U633E9eLrsQ4gNW/105JM+DfrgGEr72vqaDidOtEs8Q8KSbzLDYcY/zdQdw1KiSIfSrUA/sNRpVs9zeEMX/uMzavGzNwFM= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1706516556; c=relaxed/simple; bh=IN4Bd5O5AJSzaVn5BXB0tsEpVXUvioLJgCfcUbbncso=; h=From:To:Subject:Date:Message-Id:MIME-Version; b=BHmPNXoiuxqRqJEO5ObDJIb8+tMz0UTfOrx310Fwl08hB6QVV+NfKXKgU9aAJxONt5QYTFmMsIyJI5k9oxlKMunSLG1u5ZnGZykKORSx5SVw5RiI5MD2RHQprQn6axfD3y4t7vnR2cYX4sr2HgIuZ9eQCzQTT9LVR0JrGHw3jvU= ARC-Authentication-Results: i=1; server2.sourceware.org Received: from loongson.cn (unknown [10.20.4.107]) by gateway (Coremail) with SMTP id _____8Cxbes_YLdllbEHAA--.24262S3; Mon, 29 Jan 2024 16:22:23 +0800 (CST) Received: from loongson-pc.loongson.cn (unknown [10.20.4.107]) by localhost.localdomain (Coremail) with SMTP id AQAAf8BxnhMrYLdlKxklAA--.26775S5; Mon, 29 Jan 2024 16:22:20 +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 v5 3/5] LoongArch: Enable explicit reloc for extreme TLS GD/LD with -mexplicit-relocs=auto. Date: Mon, 29 Jan 2024 16:21:59 +0800 Message-Id: <20240129082201.26087-4-chenglulu@loongson.cn> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20240129082201.26087-1-chenglulu@loongson.cn> References: <20240129082201.26087-1-chenglulu@loongson.cn> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID:AQAAf8BxnhMrYLdlKxklAA--.26775S5 X-CM-SenderInfo: xfkh0wpoxo3qxorr0wxvrqhubq/ X-Coremail-Antispam: 1Uk129KBj93XoW3Gw1kCrW5uFWxWrWfZrWkAFc_yoW7Wr1kpa y7Zw17Kr48X397K3WDX3WfXF1kXFsFgFW2gasIqryfuF47J34SqF18tF1YqFy7J3W5K3y7 WF1Fka4rX3W5X3cCm3ZEXasCq-sJn29KB7ZKAUJUUUU8529EdanIXcx71UUUUU7KY7ZEXa sCq-sGcSsGvfJ3Ic02F40EFcxC0VAKzVAqx4xG6I80ebIjqfuFe4nvWSU5nxnvy29KBjDU 0xBIdaVrnRJUUUk2b4IE77IF4wAFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2 IYs7xG6rWj6s0DM7CIcVAFz4kK6r126r13M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48v e4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Gr0_Xr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI 0_Gr0_Cr1l84ACjcxK6I8E87Iv67AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVCY1x0267AK xVW8Jr0_Cr1UM2AIxVAIcxkEcVAq07x20xvEncxIr21l57IF6xkI12xvs2x26I8E6xACxx 1l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r1q6rW5McIj6I8E87Iv 67AKxVW8JVWxJwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41l42xK82IYc2 Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s02 6x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r126r1DMIIYrxkI7VAKI48JMIIF0x vE2Ix0cI8IcVAFwI0_JFI_Gr1lIxAIcVC0I7IYx2IY6xkF7I0E14v26r1j6r4UMIIF0xvE 42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVW8JVWxJwCI42IY6I8E87Iv6x kF7I0E14v26r4j6r4UJbIYCTnIWIevJa73UjIFyTuYvjxUco7KUUUUU X-Spam-Status: No, score=-11.8 required=5.0 tests=BAYES_00,GIT_PATCH_0,KAM_DMARC_STATUS,KAM_SHORT,KAM_STOCKGEN,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 List-Id: Binutils does not support relaxation using four instructions to obtain symbol addresses gcc/ChangeLog: * config/loongarch/loongarch.cc (loongarch_explicit_relocs_p): When the code model of the symbol is extreme and -mexplicit-relocs=auto, the macro instruction loading symbol address is not applicable. (loongarch_call_tls_get_addr): Adjust code. (loongarch_legitimize_tls_address): Likewise. gcc/testsuite/ChangeLog: * gcc.target/loongarch/explicit-relocs-extreme-auto-tls-ld-gd.c: New test. * gcc.target/loongarch/explicit-relocs-medium-auto-tls-ld-gd.c: New test. --- gcc/config/loongarch/loongarch.cc | 19 +++++++++---------- .../explicit-relocs-extreme-auto-tls-ld-gd.c | 5 +++++ .../explicit-relocs-medium-auto-tls-ld-gd.c | 5 +++++ 3 files changed, 19 insertions(+), 10 deletions(-) create mode 100644 gcc/testsuite/gcc.target/loongarch/explicit-relocs-extreme-auto-tls-ld-gd.c create mode 100644 gcc/testsuite/gcc.target/loongarch/explicit-relocs-medium-auto-tls-ld-gd.c diff --git a/gcc/config/loongarch/loongarch.cc b/gcc/config/loongarch/loongarch.cc index a0c14f908a8..684ae81870c 100644 --- a/gcc/config/loongarch/loongarch.cc +++ b/gcc/config/loongarch/loongarch.cc @@ -1971,6 +1971,10 @@ loongarch_explicit_relocs_p (enum loongarch_symbol_type type) if (la_opt_explicit_relocs != EXPLICIT_RELOCS_AUTO) return la_opt_explicit_relocs == EXPLICIT_RELOCS_ALWAYS; + /* The linker don't know how to relax accesses in extreme code model. */ + if (loongarch_symbol_extreme_p (type)) + return true; + switch (type) { case SYMBOL_TLS_IE: @@ -1982,11 +1986,6 @@ loongarch_explicit_relocs_p (enum loongarch_symbol_type type) does not relax 64-bit pc-relative accesses as at now. */ return true; case SYMBOL_GOT_DISP: - /* The linker don't know how to relax GOT accesses in extreme - code model. */ - if (TARGET_CMODEL_EXTREME) - return true; - /* If we are performing LTO for a final link, and we have the linker plugin so we know the resolution of the symbols, then all GOT references are binding to external symbols or @@ -2776,7 +2775,7 @@ loongarch_call_tls_get_addr (rtx sym, enum loongarch_symbol_type type, rtx v0) start_sequence (); - if (la_opt_explicit_relocs == EXPLICIT_RELOCS_ALWAYS) + if (loongarch_explicit_relocs_p (type)) { /* Split tls symbol to high and low. */ rtx high = gen_rtx_HIGH (Pmode, copy_rtx (loc)); @@ -2809,7 +2808,7 @@ loongarch_call_tls_get_addr (rtx sym, enum loongarch_symbol_type type, rtx v0) case CMODEL_MEDIUM: { rtx reg = gen_reg_rtx (Pmode); - if (TARGET_EXPLICIT_RELOCS) + if (la_opt_explicit_relocs != EXPLICIT_RELOCS_NONE) { emit_insn (gen_pcalau12i (Pmode, reg, loongarch_tls_symbol)); rtx call = gen_call_value_internal_1 (Pmode, v0, reg, @@ -2845,7 +2844,7 @@ loongarch_call_tls_get_addr (rtx sym, enum loongarch_symbol_type type, rtx v0) case CMODEL_NORMAL: case CMODEL_MEDIUM: { - if (TARGET_EXPLICIT_RELOCS) + if (loongarch_explicit_relocs_p (SYMBOL_GOT_DISP)) { rtx high = gen_reg_rtx (Pmode); loongarch_emit_move (high, @@ -2939,7 +2938,7 @@ loongarch_legitimize_tls_address (rtx loc) tmp1 = gen_reg_rtx (Pmode); tmp2 = loongarch_unspec_address (loc, SYMBOL_TLS_IE); dest = gen_reg_rtx (Pmode); - if (la_opt_explicit_relocs != EXPLICIT_RELOCS_NONE) + if (loongarch_explicit_relocs_p (SYMBOL_TLS_IE)) { tmp3 = gen_reg_rtx (Pmode); rtx high = gen_rtx_HIGH (Pmode, copy_rtx (tmp2)); @@ -2996,7 +2995,7 @@ loongarch_legitimize_tls_address (rtx loc) tmp2 = loongarch_unspec_address (loc, SYMBOL_TLS_LE); dest = gen_reg_rtx (Pmode); - if (la_opt_explicit_relocs != EXPLICIT_RELOCS_NONE) + if (loongarch_explicit_relocs_p (SYMBOL_TLS_LE)) { tmp3 = gen_reg_rtx (Pmode); rtx high = gen_rtx_HIGH (Pmode, copy_rtx (tmp2)); diff --git a/gcc/testsuite/gcc.target/loongarch/explicit-relocs-extreme-auto-tls-ld-gd.c b/gcc/testsuite/gcc.target/loongarch/explicit-relocs-extreme-auto-tls-ld-gd.c new file mode 100644 index 00000000000..35bd4570a9e --- /dev/null +++ b/gcc/testsuite/gcc.target/loongarch/explicit-relocs-extreme-auto-tls-ld-gd.c @@ -0,0 +1,5 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fPIC -mexplicit-relocs=auto -mcmodel=extreme -fno-plt" } */ +/* { dg-final { scan-assembler-not "la.tls.\[lg\]d" { target tls_native } } } */ + +#include "./explicit-relocs-auto-tls-ld-gd.c" diff --git a/gcc/testsuite/gcc.target/loongarch/explicit-relocs-medium-auto-tls-ld-gd.c b/gcc/testsuite/gcc.target/loongarch/explicit-relocs-medium-auto-tls-ld-gd.c new file mode 100644 index 00000000000..47bffae8af7 --- /dev/null +++ b/gcc/testsuite/gcc.target/loongarch/explicit-relocs-medium-auto-tls-ld-gd.c @@ -0,0 +1,5 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fPIC -mexplicit-relocs=auto -mcmodel=medium -fplt" } */ +/* { dg-final { scan-assembler-not "la.global" { target tls_native } } } */ + +#include "./explicit-relocs-auto-tls-ld-gd.c" -- 2.39.3