[7/9] LoongArch: Use __builtin_logb{,f} with GCC >= 13

Message ID	20221118112912.2501774-8-tangxiaolin@loongson.cn
State	New
Headers	show Return-Path: <libc-alpha-bounces+incoming=patchwork.ozlabs.org@sourceware.org> DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org BC25F384F48C From: Xiaolin Tang <tangxiaolin@loongson.cn> To: adhemerval.zanella@linaro.org, libc-alpha@sourceware.org, caiyinyu@loongson.cn, xry111@xry111.site Cc: xuchenghua@loongson.cn, chenglulu@loongson.cn, Xiaolin Tang <tangxiaolin@loongson.cn> Subject: [PATCH 7/9] LoongArch: Use __builtin_logb{,f} with GCC >= 13 Date: Fri, 18 Nov 2022 19:29:10 +0800 Message-Id: <20221118112912.2501774-8-tangxiaolin@loongson.cn> In-Reply-To: <20221118112912.2501774-1-tangxiaolin@loongson.cn> References: <20221118112912.2501774-1-tangxiaolin@loongson.cn> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: list Errors-To: libc-alpha-bounces+incoming=patchwork.ozlabs.org@sourceware.org Sender: "Libc-alpha" <libc-alpha-bounces+incoming=patchwork.ozlabs.org@sourceware.org>
Series	LoongArch: Use builtins with GCC >= 13 \| expand [0/9] LoongArch: Use builtins with GCC >= 13 [1/9] LoongArch: Use __builtin_rint{,f} with GCC >= 13 [2/9] Use GCC builtins for lrint functions if desired. [3/9] LoongArch: Use __builtin_lrint{,f} with GCC >= 13 [4/9] Use GCC builtins for llrint functions if desired. [5/9] LoongArch: Use __builtin_llrint{,f} with GCC >= 13 [6/9] Use GCC builtins for logb functions if desired. [7/9] LoongArch: Use __builtin_logb{,f} with GCC >= 13

Message ID

20221118112912.2501774-8-tangxiaolin@loongson.cn

State

New

Headers

DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org BC25F384F48C
From: Xiaolin Tang <tangxiaolin@loongson.cn>
To: adhemerval.zanella@linaro.org, libc-alpha@sourceware.org,
 caiyinyu@loongson.cn, xry111@xry111.site
Cc: xuchenghua@loongson.cn, chenglulu@loongson.cn,
 Xiaolin Tang <tangxiaolin@loongson.cn>
Subject: [PATCH 7/9] LoongArch: Use __builtin_logb{,f} with GCC >= 13
Date: Fri, 18 Nov 2022 19:29:10 +0800
Message-Id: <20221118112912.2501774-8-tangxiaolin@loongson.cn>
In-Reply-To: <20221118112912.2501774-1-tangxiaolin@loongson.cn>
References: <20221118112912.2501774-1-tangxiaolin@loongson.cn>
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Content-Transfer-Encoding: 8bit
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Errors-To: libc-alpha-bounces+incoming=patchwork.ozlabs.org@sourceware.org
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 <libc-alpha-bounces+incoming=patchwork.ozlabs.org@sourceware.org>

Series

LoongArch: Use builtins with GCC >= 13 | expand

Commit Message

Xiaolin Tang Nov. 18, 2022, 11:29 a.m. UTC

GCC 13 compiles these built-ins instead of generic
implementation for function logb.

Link: https://gcc.gnu.org/r13-3922
Co-Authored-By: Xi Ruoyao <xry111@xry111.site>
---
 sysdeps/loongarch/fpu/math-use-builtins-logb.h | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 sysdeps/loongarch/fpu/math-use-builtins-logb.h

diff --git a/sysdeps/loongarch/fpu/math-use-builtins-logb.h b/sysdeps/loongarch/fpu/math-use-builtins-logb.h
new file mode 100644
index 0000000000..b1c3f30dc4
--- /dev/null
+++ b/sysdeps/loongarch/fpu/math-use-builtins-logb.h
@@ -0,0 +1,10 @@ 
+#if __GNUC_PREREQ (13, 0)
+# define USE_LOGB_BUILTIN 1
+# define USE_LOGBF_BUILTIN 1
+#else
+# define USE_LOGB_BUILTIN 0
+# define USE_LOGBF_BUILTIN 0
+#endif
+
+#define USE_LOGBL_BUILTIN 0
+#define USE_LOGBF128_BUILTIN 0

[7/9] LoongArch: Use __builtin_logb{,f} with GCC >= 13

Commit Message

Patch