From patchwork Fri Nov 18 11:29:05 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaolin Tang X-Patchwork-Id: 60825 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 86F2438319EA for ; Fri, 18 Nov 2022 11:30:19 +0000 (GMT) X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from loongson.cn (mail.loongson.cn [114.242.206.163]) by sourceware.org (Postfix) with ESMTP id 69825384F6FD for ; Fri, 18 Nov 2022 11:29:18 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 69825384F6FD Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=loongson.cn Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=loongson.cn Received: from loongson.cn (unknown [10.2.5.5]) by gateway (Coremail) with SMTP id _____8DxPLeMbHdjEJoIAA--.12841S3; Fri, 18 Nov 2022 19:29:16 +0800 (CST) Received: from 5.5.5 (unknown [10.2.5.5]) by localhost.localdomain (Coremail) with SMTP id AQAAf8CxXuCJbHdjdn4WAA--.58440S4; Fri, 18 Nov 2022 19:29:16 +0800 (CST) From: Xiaolin Tang To: adhemerval.zanella@linaro.org, libc-alpha@sourceware.org, caiyinyu@loongson.cn, xry111@xry111.site Cc: xuchenghua@loongson.cn, chenglulu@loongson.cn, Xiaolin Tang Subject: [PATCH 2/9] Use GCC builtins for lrint functions if desired. Date: Fri, 18 Nov 2022 19:29:05 +0800 Message-Id: <20221118112912.2501774-3-tangxiaolin@loongson.cn> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20221118112912.2501774-1-tangxiaolin@loongson.cn> References: <20221118112912.2501774-1-tangxiaolin@loongson.cn> MIME-Version: 1.0 X-CM-TRANSID: AQAAf8CxXuCJbHdjdn4WAA--.58440S4 X-CM-SenderInfo: pwdqw5xldrzx3q6o00pqjv00gofq/ X-Coremail-Antispam: 1Uk129KBjvJXoW3Gr4xWw1DGrykuFyDJr45trb_yoW7Ww4Up3 WxZr4Fkrs7Z3WxJFn2yas8tas3Aa1UZ3W8Ary5K3yUXr1UCr4kWrWayr4vvryrW3ykZa1S qayDKFyjkr15ZaUanT9S1TB71UUUUUDqnTZGkaVYY2UrUUUUj1kv1TuYvTs0mT0YCTnIWj qI5I8CrVACY4xI64kE6c02F40Ex7xfYxn0WfASr-VFAUDa7-sFnT9fnUUIcSsGvfJTRUUU b7AYFVCjjxCrM7AC8VAFwI0_Jr0_Gr1l1xkIjI8I6I8E6xAIw20EY4v20xvaj40_Wr0E3s 1l1IIY67AEw4v_Jrv_JF1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxSw2x7M28EF7xv wVC0I7IYx2IY67AKxVW8JVW5JwA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxVW8JVWxJwA2z4 x0Y4vEx4A2jsIE14v26r4UJVWxJr1l84ACjcxK6I8E87Iv6xkF7I0E14v26r4UJVWxJr1l e2I262IYc4CY6c8Ij28IcVAaY2xG8wAqjxCEc2xF0cIa020Ex4CE44I27wAqx4xG64xvF2 IEw4CE5I8CrVC2j2WlYx0E2Ix0cI8IcVAFwI0_JF0_Jw1lYx0Ex4A2jsIE14v26r1j6r4U McvjeVCFs4IE7xkEbVWUJVW8JwACjcxG0xvY0x0EwIxGrwCF04k20xvY0x0EwIxGrwCFx2 IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v2 6r106r1rMI8E67AF67kF1VAFwI0_JF0_Jw1lIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67 AKxVWUCVW8JwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Jr0_Gr1lIxAIcVCF04k26cxKx2IY s7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Jr 0_GrUvcSsGvfC2KfnxnUUI43ZEXa7IU82g43UUUUU== X-Spam-Status: No, score=-12.8 required=5.0 tests=BAYES_00, GIT_PATCH_0, KAM_DMARC_STATUS, 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: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: libc-alpha-bounces+patchwork=sourceware.org@sourceware.org Sender: "Libc-alpha" This patch is using the corresponding GCC builtin for lrintf, lrint, lrintl and lrintf128 if the USE_FUNCTION_BUILTIN macros are defined to one in math-use-builtins-function.h. Co-Authored-By: Xi Ruoyao --- sysdeps/generic/math-use-builtins-lrint.h | 4 ++++ sysdeps/generic/math-use-builtins.h | 1 + sysdeps/ieee754/dbl-64/s_lrint.c | 18 ++++++++++++------ sysdeps/ieee754/float128/float128_private.h | 2 ++ sysdeps/ieee754/flt-32/s_lrintf.c | 18 ++++++++++++------ sysdeps/ieee754/ldbl-128/s_lrintl.c | 17 ++++++++++++----- 6 files changed, 43 insertions(+), 17 deletions(-) create mode 100644 sysdeps/generic/math-use-builtins-lrint.h diff --git a/sysdeps/generic/math-use-builtins-lrint.h b/sysdeps/generic/math-use-builtins-lrint.h new file mode 100644 index 0000000000..e80418be9e --- /dev/null +++ b/sysdeps/generic/math-use-builtins-lrint.h @@ -0,0 +1,4 @@ +#define USE_LRINT_BUILTIN 0 +#define USE_LRINTF_BUILTIN 0 +#define USE_LRINTL_BUILTIN 0 +#define USE_LRINTF128_BUILTIN 0 diff --git a/sysdeps/generic/math-use-builtins.h b/sysdeps/generic/math-use-builtins.h index 6bd424d900..3acec1d538 100644 --- a/sysdeps/generic/math-use-builtins.h +++ b/sysdeps/generic/math-use-builtins.h @@ -37,5 +37,6 @@ #include #include #include +#include #endif /* MATH_USE_BUILTINS_H */ diff --git a/sysdeps/ieee754/dbl-64/s_lrint.c b/sysdeps/ieee754/dbl-64/s_lrint.c index d4272916cd..24385038ef 100644 --- a/sysdeps/ieee754/dbl-64/s_lrint.c +++ b/sysdeps/ieee754/dbl-64/s_lrint.c @@ -25,17 +25,22 @@ #include #include #include - -static const double two52[2] = -{ - 4.50359962737049600000e+15, /* 0x43300000, 0x00000000 */ - -4.50359962737049600000e+15, /* 0xC3300000, 0x00000000 */ -}; +#include long int __lrint (double x) { +#if USE_LRINT_BUILTIN + return __builtin_lrint (x); +#else + /* Use generic implementation. */ + static const double two52[2] = + { + 4.50359962737049600000e+15, /* 0x43300000, 0x00000000 */ + -4.50359962737049600000e+15, /* 0xC3300000, 0x00000000 */ + }; + int32_t j0; uint32_t i0, i1; double w; @@ -119,6 +124,7 @@ __lrint (double x) } return sx ? -result : result; +#endif /* ! USE_LRINT_BUILTIN */ } libm_alias_double (__lrint, lrint) diff --git a/sysdeps/ieee754/float128/float128_private.h b/sysdeps/ieee754/float128/float128_private.h index f9655df0df..a452ced89a 100644 --- a/sysdeps/ieee754/float128/float128_private.h +++ b/sysdeps/ieee754/float128/float128_private.h @@ -161,6 +161,8 @@ #define USE_COPYSIGNL_BUILTIN USE_COPYSIGNF128_BUILTIN #undef USE_FMAL_BUILTIN #define USE_FMAL_BUILTIN USE_FMAF128_BUILTIN +#undef USE_LRINTL_BUILTIN +#define USE_LRINTL_BUILTIN USE_LRINTF128_BUILTIN /* IEEE function renames. */ #define __ieee754_acoshl __ieee754_acoshf128 diff --git a/sysdeps/ieee754/flt-32/s_lrintf.c b/sysdeps/ieee754/flt-32/s_lrintf.c index 7438b272b2..50d044dd8d 100644 --- a/sysdeps/ieee754/flt-32/s_lrintf.c +++ b/sysdeps/ieee754/flt-32/s_lrintf.c @@ -25,17 +25,22 @@ #include #include #include - -static const float two23[2] = -{ - 8.3886080000e+06, /* 0x4B000000 */ - -8.3886080000e+06, /* 0xCB000000 */ -}; +#include long int __lrintf (float x) { +#if USE_LRINTF_BUILTIN + return __builtin_lrintf (x); +#else + /* Use generic implementation. */ + static const float two23[2] = + { + 8.3886080000e+06, /* 0x4B000000 */ + -8.3886080000e+06, /* 0xCB000000 */ + }; + int32_t j0; uint32_t i0; float w; @@ -82,6 +87,7 @@ __lrintf (float x) } return sx ? -result : result; +#endif /* ! USE_LRINTF_BUILTIN */ } libm_alias_float (__lrint, lrint) diff --git a/sysdeps/ieee754/ldbl-128/s_lrintl.c b/sysdeps/ieee754/ldbl-128/s_lrintl.c index e8ec02dc6f..ecb604a650 100644 --- a/sysdeps/ieee754/ldbl-128/s_lrintl.c +++ b/sysdeps/ieee754/ldbl-128/s_lrintl.c @@ -24,16 +24,22 @@ #include #include #include +#include -static const _Float128 two112[2] = -{ - L(5.19229685853482762853049632922009600E+33), /* 0x406F000000000000, 0 */ - L(-5.19229685853482762853049632922009600E+33) /* 0xC06F000000000000, 0 */ -}; long int __lrintl (_Float128 x) { +#if USE_LRINTL_BUILTIN + return __builtin_lrintl (x); +#else + /* Use generic implementation. */ + static const _Float128 two112[2] = + { + L(5.19229685853482762853049632922009600E+33), /* 0x406F000000000000, 0 */ + L(-5.19229685853482762853049632922009600E+33) /* 0xC06F000000000000, 0 */ + }; + int32_t j0; uint64_t i0,i1; _Float128 w; @@ -131,6 +137,7 @@ __lrintl (_Float128 x) } return sx ? -result : result; +#endif /* ! USE_LRINTL_BUILTIN */ } libm_alias_ldouble (__lrint, lrint)