From patchwork Mon Jun 16 22:17:48 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joseph Myers X-Patchwork-Id: 360255 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from sourceware.org (server1.sourceware.org [209.132.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 8AC15140088 for ; Tue, 17 Jun 2014 08:18:03 +1000 (EST) DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:date:from:to:subject:message-id:mime-version :content-type; q=dns; s=default; b=O8Nk8atmjEwF6sxdkWc3J0IUbH/1D DgJdSpAsHHw90EYcg4dXddz7uVzg2oLxsUtucSOC1Kces4/mP9ap3rv1pif+dey7 SYKFKemXXcqYLThOUf4VraDzjUjdhLfHrcg+fBGyGlyjg6GD8IYwxRid4nZuqpjX 41UmJ0w06Ru+rA= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:date:from:to:subject:message-id:mime-version :content-type; s=default; bh=merd+hdBml+yjW6k3LOX4/2nQIA=; b=yuj jBBLexfX0G0syHkyl/G9CL4bhCQu+z3IgN83IMzdq4pMWn6XSwlh183ctfv7ml7x tLls/ZMXxvnl8V4eCDNg6H+DTpIiNo0nenek+/jMPBdJC/Cxdzo0fd/jAlKQVcGy G0TeHyYkkr0ryAjcxo2oznaNIUPDjS2i9WeYB3w4= Received: (qmail 31060 invoked by alias); 16 Jun 2014 22:17:57 -0000 Mailing-List: contact libc-alpha-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: libc-alpha-owner@sourceware.org Delivered-To: mailing list libc-alpha@sourceware.org Received: (qmail 31047 invoked by uid 89); 16 Jun 2014 22:17:56 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.9 required=5.0 tests=AWL, BAYES_00 autolearn=ham version=3.3.2 X-HELO: relay1.mentorg.com Date: Mon, 16 Jun 2014 22:17:48 +0000 From: "Joseph S. Myers" To: Subject: Add CFI to x86 ceil / floor / trunc (bug 16681) Message-ID: MIME-Version: 1.0 This patch adds CFI to the sysdeps/i386/fpu/ implementations of ceil, floor and trunc functions, for consistency with other x86 .S files in glibc which have CFI for stack adjustments. Tested x86. 2014-06-16 Joseph Myers [BZ #16681] * sysdeps/i386/fpu/s_ceil.S (__ceil): Add CFI. * sysdeps/i386/fpu/s_ceilf.S (__ceilf): Likewise. * sysdeps/i386/fpu/s_ceill.S (__ceill): Likewise. * sysdeps/i386/fpu/s_floor.S (__floor): Likewise. * sysdeps/i386/fpu/s_floorf.S (__floorf): Likewise. * sysdeps/i386/fpu/s_floorl.S (__floorl): Likewise. * sysdeps/i386/fpu/s_trunc.S (__trunc): Likewise. * sysdeps/i386/fpu/s_truncf.S (__truncf): Likewise. * sysdeps/i386/fpu/s_truncl.S (__truncl): Likewise. diff --git a/sysdeps/i386/fpu/s_ceil.S b/sysdeps/i386/fpu/s_ceil.S index b015912..f32fa26 100644 --- a/sysdeps/i386/fpu/s_ceil.S +++ b/sysdeps/i386/fpu/s_ceil.S @@ -10,6 +10,7 @@ RCSID("$NetBSD: s_ceil.S,v 1.4 1995/05/08 23:52:13 jtc Exp $") ENTRY(__ceil) fldl 4(%esp) subl $8,%esp + cfi_adjust_cfa_offset (8) fstcw 4(%esp) /* store fpu control word */ @@ -27,6 +28,7 @@ ENTRY(__ceil) fldcw 4(%esp) /* restore original control word */ addl $8,%esp + cfi_adjust_cfa_offset (-8) ret END (__ceil) weak_alias (__ceil, ceil) diff --git a/sysdeps/i386/fpu/s_ceilf.S b/sysdeps/i386/fpu/s_ceilf.S index 352d40d..4fe703b 100644 --- a/sysdeps/i386/fpu/s_ceilf.S +++ b/sysdeps/i386/fpu/s_ceilf.S @@ -10,6 +10,7 @@ RCSID("$NetBSD: s_ceilf.S,v 1.3 1995/05/08 23:52:44 jtc Exp $") ENTRY(__ceilf) flds 4(%esp) subl $8,%esp + cfi_adjust_cfa_offset (8) fstcw 4(%esp) /* store fpu control word */ @@ -27,6 +28,7 @@ ENTRY(__ceilf) fldcw 4(%esp) /* restore original control word */ addl $8,%esp + cfi_adjust_cfa_offset (-8) ret END (__ceilf) weak_alias (__ceilf, ceilf) diff --git a/sysdeps/i386/fpu/s_ceill.S b/sysdeps/i386/fpu/s_ceill.S index 0128966..4b272c5 100644 --- a/sysdeps/i386/fpu/s_ceill.S +++ b/sysdeps/i386/fpu/s_ceill.S @@ -11,6 +11,7 @@ RCSID("$NetBSD: $") ENTRY(__ceill) fldt 4(%esp) subl $8,%esp + cfi_adjust_cfa_offset (8) fstcw 4(%esp) /* store fpu control word */ @@ -28,6 +29,7 @@ ENTRY(__ceill) fldcw 4(%esp) /* restore original control word */ addl $8,%esp + cfi_adjust_cfa_offset (-8) ret END (__ceill) weak_alias (__ceill, ceill) diff --git a/sysdeps/i386/fpu/s_floor.S b/sysdeps/i386/fpu/s_floor.S index 20a8660..2d6287d 100644 --- a/sysdeps/i386/fpu/s_floor.S +++ b/sysdeps/i386/fpu/s_floor.S @@ -10,6 +10,7 @@ RCSID("$NetBSD: s_floor.S,v 1.4 1995/05/09 00:01:59 jtc Exp $") ENTRY(__floor) fldl 4(%esp) subl $8,%esp + cfi_adjust_cfa_offset (8) fstcw 4(%esp) /* store fpu control word */ @@ -27,6 +28,7 @@ ENTRY(__floor) fldcw 4(%esp) /* restore original control word */ addl $8,%esp + cfi_adjust_cfa_offset (-8) ret END (__floor) weak_alias (__floor, floor) diff --git a/sysdeps/i386/fpu/s_floorf.S b/sysdeps/i386/fpu/s_floorf.S index eca93a2..e969fbe 100644 --- a/sysdeps/i386/fpu/s_floorf.S +++ b/sysdeps/i386/fpu/s_floorf.S @@ -10,6 +10,7 @@ RCSID("$NetBSD: s_floorf.S,v 1.3 1995/05/09 00:04:32 jtc Exp $") ENTRY(__floorf) flds 4(%esp) subl $8,%esp + cfi_adjust_cfa_offset (8) fstcw 4(%esp) /* store fpu control word */ @@ -27,6 +28,7 @@ ENTRY(__floorf) fldcw 4(%esp) /* restore original control word */ addl $8,%esp + cfi_adjust_cfa_offset (-8) ret END (__floorf) weak_alias (__floorf, floorf) diff --git a/sysdeps/i386/fpu/s_floorl.S b/sysdeps/i386/fpu/s_floorl.S index c2bf091..1206554 100644 --- a/sysdeps/i386/fpu/s_floorl.S +++ b/sysdeps/i386/fpu/s_floorl.S @@ -11,6 +11,7 @@ RCSID("$NetBSD: $") ENTRY(__floorl) fldt 4(%esp) subl $8,%esp + cfi_adjust_cfa_offset (8) fstcw 4(%esp) /* store fpu control word */ @@ -28,6 +29,7 @@ ENTRY(__floorl) fldcw 4(%esp) /* restore original control word */ addl $8,%esp + cfi_adjust_cfa_offset (-8) ret END (__floorl) weak_alias (__floorl, floorl) diff --git a/sysdeps/i386/fpu/s_trunc.S b/sysdeps/i386/fpu/s_trunc.S index 5a14864..a5f8fc7 100644 --- a/sysdeps/i386/fpu/s_trunc.S +++ b/sysdeps/i386/fpu/s_trunc.S @@ -22,6 +22,7 @@ ENTRY(__trunc) fldl 4(%esp) subl $8, %esp + cfi_adjust_cfa_offset (8) fstcw 4(%esp) movl $0xc00, %edx orl 4(%esp), %edx @@ -30,6 +31,7 @@ ENTRY(__trunc) frndint fldcw 4(%esp) addl $8, %esp + cfi_adjust_cfa_offset (-8) ret END(__trunc) weak_alias (__trunc, trunc) diff --git a/sysdeps/i386/fpu/s_truncf.S b/sysdeps/i386/fpu/s_truncf.S index d3b9385..746d52f 100644 --- a/sysdeps/i386/fpu/s_truncf.S +++ b/sysdeps/i386/fpu/s_truncf.S @@ -22,6 +22,7 @@ ENTRY(__truncf) flds 4(%esp) subl $8, %esp + cfi_adjust_cfa_offset (8) fstcw 4(%esp) movl $0xc00, %edx orl 4(%esp), %edx @@ -30,6 +31,7 @@ ENTRY(__truncf) frndint fldcw 4(%esp) addl $8, %esp + cfi_adjust_cfa_offset (-8) ret END(__truncf) weak_alias (__truncf, truncf) diff --git a/sysdeps/i386/fpu/s_truncl.S b/sysdeps/i386/fpu/s_truncl.S index 4bef0f4..d573855 100644 --- a/sysdeps/i386/fpu/s_truncl.S +++ b/sysdeps/i386/fpu/s_truncl.S @@ -22,6 +22,7 @@ ENTRY(__truncl) fldt 4(%esp) subl $8, %esp + cfi_adjust_cfa_offset (8) fstcw 4(%esp) movl $0xc00, %edx orl 4(%esp), %edx @@ -30,6 +31,7 @@ ENTRY(__truncl) frndint fldcw 4(%esp) addl $8, %esp + cfi_adjust_cfa_offset (-8) ret END(__truncl) weak_alias (__truncl, truncl)