From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 11532 invoked by alias); 19 Apr 2017 23:50:48 -0000 Mailing-List: contact newlib-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: newlib-owner@sourceware.org Received: (qmail 11501 invoked by uid 89); 19 Apr 2017 23:50:47 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-24.7 required=5.0 tests=AWL,BAYES_00,GIT_PATCH_0,GIT_PATCH_1,GIT_PATCH_2,GIT_PATCH_3,RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.2 spammy=HUGE, Hx-languages-length:1392 X-HELO: mail-wr0-f180.google.com Received: from mail-wr0-f180.google.com (HELO mail-wr0-f180.google.com) (209.85.128.180) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Wed, 19 Apr 2017 23:50:46 +0000 Received: by mail-wr0-f180.google.com with SMTP id c55so25138733wrc.3 for ; Wed, 19 Apr 2017 16:50:47 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=pX0QkBVsr670GN/a7V1Usz7mdlbgBKFpihoaV6Jl+0E=; b=JdRP5fG1+NMmrCv0YJsHxwEIhkmpUeLa5amTOuu0pqloDqvcNkpXlD1VTHLw4Vie0L sIouyHD3wybpYWrl5uP94SYn4Xa+EW1FzE8Z1iaRX0fuWPd/FkZsnV1RbcXWgamg6yb6 QT9YQ+88uAuCJofdTTDf2e9tEXAkOCPjQj7Xqc330rXDG5r3XgXeC9bKMSFFFjoMdUPk VvOr9974qaA7m0jqzWpXDnNBjG22H74C5XX80i3bRQpVQWiIrVZHVKrVLHu+H9ijfyEL C7ooyBJmdeS3s5j5Lzyy0ntzGvIaOFwDhS5qGBp6lqu36D2PGz9T3jJPw0CEucrp3bET rMqw== X-Gm-Message-State: AN3rC/6ga3lus8sVEKbKVoP9ttTb1FNqs1vK4XTkm9KpnESfiFMqIqIg 5s4UDX3nTnXHinf4HQZ204JDUneC8nqJ X-Received: by 10.223.150.19 with SMTP id b19mr4884074wra.98.1492645845993; Wed, 19 Apr 2017 16:50:45 -0700 (PDT) MIME-Version: 1.0 Received: by 10.223.175.75 with HTTP; Wed, 19 Apr 2017 16:50:45 -0700 (PDT) From: Richard Allen Date: Wed, 19 Apr 2017 23:50:00 -0000 Message-ID: Subject: [PATCH] Convert 0.0/0.0 to NAN To: newlib@sourceware.org Content-Type: multipart/mixed; boundary=001a1144c61e6d4bdb054d8db10b X-IsSubscribed: yes X-SW-Source: 2017/txt/msg00308.txt.bz2 --001a1144c61e6d4bdb054d8db10b Content-Type: text/plain; charset=UTF-8 Content-length: 383 With newlib's default compiler flags(-O2 and whatnot), the GCC I'm using creates calls to __aeabi_(f|d)div. This causes a little extra register copying and an unnecessary branch. Additionally, __aeabi_?div may throw exceptions, which is probably not what we want a simple assignment to do. Compiler version tested: arm-none-eabi-gcc (15:5.4.1+svn241155-1) 5.4.1 20160919 -Richard --001a1144c61e6d4bdb054d8db10b Content-Type: text/x-patch; charset=US-ASCII; name="0001-Convert-rint-to-rintf.patch" Content-Disposition: attachment; filename="0001-Convert-rint-to-rintf.patch" Content-Transfer-Encoding: base64 X-Attachment-Id: f_j1pmsim40 Content-length: 1501 RnJvbSAyMzY5YTU1MmNmNjJkZmI1M2YxNDk3ODU4N2EzMzgwNzJmNmFiZDJj IE1vbiBTZXAgMTcgMDA6MDA6MDAgMjAwMQpGcm9tOiBSaWNoYXJkIDxyc2F4 dmNAcnNheHZjLm5ldD4KRGF0ZTogV2VkLCAxOSBBcHIgMjAxNyAxODozNzox NyAtMDUwMApTdWJqZWN0OiBbUEFUQ0hdIENvbnZlcnQgcmludCgpIHRvIHJp bnRmKCkKClRoaXMgd2FzIGNhdXNpbmcgYW4gdW5uZWNlc3NhcnkgaW5jcmVh c2UKaW4gcHJlY2lzaW9uLCBhcyB3ZWxsIGFzIGFkZGl0aW9uYWwgZnVuY3Rp b24KY2FsbHMgdG8gZG8gZmxvYXQtPmRvdWJsZSBjb252ZXJzaW9uIG9uCnBs YXRmb3JtcyB3aXRoIG9ubHkgYSBzaW5nbGUtcHJlY2lzaW9uIEZQVS4KLS0t CiBuZXdsaWIvbGlibS9tYXRoL3dmX3Bvdy5jIHwgNCArKy0tCiAxIGZpbGUg Y2hhbmdlZCwgMiBpbnNlcnRpb25zKCspLCAyIGRlbGV0aW9ucygtKQoKZGlm ZiAtLWdpdCBhL25ld2xpYi9saWJtL21hdGgvd2ZfcG93LmMgYi9uZXdsaWIv bGlibS9tYXRoL3dmX3Bvdy5jCmluZGV4IGJkOWRlMGFkMC4uNWI3OWRkMTUx IDEwMDY0NAotLS0gYS9uZXdsaWIvbGlibS9tYXRoL3dmX3Bvdy5jCisrKyBi L25ld2xpYi9saWJtL21hdGgvd2ZfcG93LmMKQEAgLTEyNiwxMSArMTI2LDEx IEBACiAJCSAgICBpZiAoX0xJQl9WRVJTSU9OID09IF9TVklEXykgewogCQkg ICAgICAgZXhjLnJldHZhbCA9IEhVR0U7CiAJCSAgICAgICB5ICo9IDAuNTsK LQkJICAgICAgIGlmKHg8MC4wJiZyaW50KHkpIT15KSBleGMucmV0dmFsID0g LUhVR0U7CisJCSAgICAgICBpZih4PDAuMCYmcmludGYoeSkhPXkpIGV4Yy5y ZXR2YWwgPSAtSFVHRTsKIAkJICAgIH0gZWxzZSB7CiAJCSAgICAgICBleGMu cmV0dmFsID0gSFVHRV9WQUw7CiAgICAgICAgICAgICAgICAgICAgICAgIHkg Kj0gMC41OwotCQkgICAgICAgaWYoeDwwLjAmJnJpbnQoeSkhPXkpIGV4Yy5y ZXR2YWwgPSAtSFVHRV9WQUw7CisJCSAgICAgICBpZih4PDAuMCYmcmludGYo eSkhPXkpIGV4Yy5yZXR2YWwgPSAtSFVHRV9WQUw7CiAJCSAgICB9CiAJCSAg ICBpZiAoX0xJQl9WRVJTSU9OID09IF9QT1NJWF8pCiAJCSAgICAgICAgZXJy bm8gPSBFUkFOR0U7Ci0tIAoyLjExLjAKCg== --001a1144c61e6d4bdb054d8db10b--