[src/trunk]: src/regress/lib/libc/ieeefp/testfloat/arch/i386 Two new functions:

To: source-changes-hg%NetBSD.org@localhost
Subject: [src/trunk]: src/regress/lib/libc/ieeefp/testfloat/arch/i386 Two new functions:
From: ross <ross%NetBSD.org@localhost>
Date: Fri, 24 Jan 2020 08:55:27 +0000
details:   https://anonhg.NetBSD.org/src/rev/0213d0075766
branches:  trunk
changeset: 507087:0213d0075766
user:      ross <ross%NetBSD.org@localhost>
date:      Tue Mar 13 07:43:19 2001 +0000

description:
Two new functions:
o  syst_floatx80_to_int32_round_to_zero()
o  syst_floatx80_to_int64_round_to_zero()
Boilerplate.
<machine/asm.h>

diffstat:

 regress/lib/libc/ieeefp/testfloat/arch/i386/systfloat.S |  170 ++++++++++-----
 1 files changed, 107 insertions(+), 63 deletions(-)

diffs (truncated from 328 to 300 lines):

diff -r 2a6032cd2663 -r 0213d0075766 regress/lib/libc/ieeefp/testfloat/arch/i386/systfloat.S
--- a/regress/lib/libc/ieeefp/testfloat/arch/i386/systfloat.S   Tue Mar 13 07:41:26 2001 +0000
+++ b/regress/lib/libc/ieeefp/testfloat/arch/i386/systfloat.S   Tue Mar 13 07:43:19 2001 +0000
@@ -1,3 +1,42 @@
+/* $NetBSD: systfloat.S,v 1.2 2001/03/13 07:43:19 ross Exp $ */
+
+/* This is a derivative work. */
+
+/*-
+ * Copyright (c) 2001 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Ross Harvey.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *        This product includes software developed by the NetBSD
+ *        Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
 
 /*
 ===============================================================================
@@ -29,9 +68,10 @@
 -------------------------------------------------------------------------------
 -------------------------------------------------------------------------------
 */
-       .align 2
-.globl _syst_int32_to_floatx80
-_syst_int32_to_floatx80:
+
+#include <machine/asm.h>
+
+ENTRY(syst_int32_to_floatx80)
        fildl 8(%esp)
        movl 4(%esp),%eax
        fstpt (%eax)
@@ -41,9 +81,8 @@
 -------------------------------------------------------------------------------
 -------------------------------------------------------------------------------
 */
-       .align 2
-.globl _syst_int64_to_floatx80
-_syst_int64_to_floatx80:
+
+ENTRY(syst_int64_to_floatx80)
        fildq 8(%esp)
        movl 4(%esp),%eax
        fstpt (%eax)
@@ -53,9 +92,7 @@
 -------------------------------------------------------------------------------
 -------------------------------------------------------------------------------
 */
-       .align 2
-.globl _syst_float32_to_floatx80
-_syst_float32_to_floatx80:
+ENTRY(syst_float32_to_floatx80)
        flds 8(%esp)
        movl 4(%esp),%eax
        fstpt (%eax)
@@ -65,9 +102,7 @@
 -------------------------------------------------------------------------------
 -------------------------------------------------------------------------------
 */
-       .align 2
-.globl _syst_float64_to_floatx80
-_syst_float64_to_floatx80:
+ENTRY(syst_float64_to_floatx80)
        fldl 8(%esp)
        movl 4(%esp),%eax
        fstpt (%eax)
@@ -77,9 +112,7 @@
 -------------------------------------------------------------------------------
 -------------------------------------------------------------------------------
 */
-       .align 2
-.globl _syst_floatx80_to_int32
-_syst_floatx80_to_int32:
+ENTRY(syst_floatx80_to_int32)
        fldt 4(%esp)
        subl $4,%esp
        fistpl (%esp)
@@ -91,9 +124,7 @@
 -------------------------------------------------------------------------------
 -------------------------------------------------------------------------------
 */
-       .align 2
-.globl _syst_floatx80_to_int64
-_syst_floatx80_to_int64:
+ENTRY(syst_floatx80_to_int64)
        fldt 4(%esp)
        subl $8,%esp
        fistpq (%esp)
@@ -106,9 +137,7 @@
 -------------------------------------------------------------------------------
 -------------------------------------------------------------------------------
 */
-       .align 2
-.globl _syst_floatx80_to_float32
-_syst_floatx80_to_float32:
+ENTRY(syst_floatx80_to_float32)
        fldt 4(%esp)
        subl $4,%esp
        fstps (%esp)
@@ -120,9 +149,7 @@
 -------------------------------------------------------------------------------
 -------------------------------------------------------------------------------
 */
-       .align 2
-.globl _syst_floatx80_to_float64
-_syst_floatx80_to_float64:
+ENTRY(syst_floatx80_to_float64)
        fldt 4(%esp)
        subl $8,%esp
        fstpl (%esp)
@@ -135,9 +162,7 @@
 -------------------------------------------------------------------------------
 -------------------------------------------------------------------------------
 */
-       .align 2
-.globl _syst_floatx80_round_to_int
-_syst_floatx80_round_to_int:
+ENTRY(syst_floatx80_round_to_int)
        fldt 8(%esp)
        frndint
        movl 4(%esp),%eax
@@ -148,9 +173,7 @@
 -------------------------------------------------------------------------------
 -------------------------------------------------------------------------------
 */
-       .align 2
-.globl _syst_floatx80_add
-_syst_floatx80_add:
+ENTRY(syst_floatx80_add)
        fldt 8(%esp)
        fldt 20(%esp)
        faddp
@@ -162,9 +185,7 @@
 -------------------------------------------------------------------------------
 -------------------------------------------------------------------------------
 */
-       .align 2
-.globl _syst_floatx80_sub
-_syst_floatx80_sub:
+ENTRY(syst_floatx80_sub)
        fldt 8(%esp)
        fldt 20(%esp)
        fsubrp
@@ -176,9 +197,7 @@
 -------------------------------------------------------------------------------
 -------------------------------------------------------------------------------
 */
-       .align 2
-.globl _syst_floatx80_mul
-_syst_floatx80_mul:
+ENTRY(syst_floatx80_mul)
        fldt 8(%esp)
        fldt 20(%esp)
        fmulp
@@ -190,9 +209,7 @@
 -------------------------------------------------------------------------------
 -------------------------------------------------------------------------------
 */
-       .align 2
-.globl _syst_floatx80_div
-_syst_floatx80_div:
+ENTRY(syst_floatx80_div)
        fldt 8(%esp)
        fldt 20(%esp)
        fdivrp
@@ -204,9 +221,7 @@
 -------------------------------------------------------------------------------
 -------------------------------------------------------------------------------
 */
-       .align 2
-.globl _syst_floatx80_rem
-_syst_floatx80_rem:
+ENTRY(syst_floatx80_rem)
        fldt 20(%esp)
        fldt 8(%esp)
 floatx80_rem_loop:
@@ -223,9 +238,7 @@
 -------------------------------------------------------------------------------
 -------------------------------------------------------------------------------
 */
-       .align 2
-.globl _syst_floatx80_sqrt
-_syst_floatx80_sqrt:
+ENTRY(syst_floatx80_sqrt)
        fldt 8(%esp)
        fsqrt
        movl 4(%esp),%eax
@@ -236,9 +249,7 @@
 -------------------------------------------------------------------------------
 -------------------------------------------------------------------------------
 */
-       .align 2
-.globl _syst_floatx80_eq
-_syst_floatx80_eq:
+ENTRY(syst_floatx80_eq)
        fldt 16(%esp)
        fldt 4(%esp)
        fucompp
@@ -253,9 +264,7 @@
 -------------------------------------------------------------------------------
 -------------------------------------------------------------------------------
 */
-       .align 2
-.globl _syst_floatx80_le
-_syst_floatx80_le:
+ENTRY(syst_floatx80_le)
        fldt 4(%esp)
        fldt 16(%esp)
        fcompp
@@ -269,9 +278,7 @@
 -------------------------------------------------------------------------------
 -------------------------------------------------------------------------------
 */
-       .align 2
-.globl _syst_floatx80_lt
-_syst_floatx80_lt:
+ENTRY(syst_floatx80_lt)
        fldt 4(%esp)
        fldt 16(%esp)
        fcompp
@@ -285,9 +292,7 @@
 -------------------------------------------------------------------------------
 -------------------------------------------------------------------------------
 */
-       .align 2
-.globl _syst_floatx80_eq_signaling
-_syst_floatx80_eq_signaling:
+ENTRY(syst_floatx80_eq_signaling)
        fldt 16(%esp)
        fldt 4(%esp)
        fcompp
@@ -302,9 +307,7 @@
 -------------------------------------------------------------------------------
 -------------------------------------------------------------------------------
 */
-       .align 2
-.globl _syst_floatx80_le_quiet
-_syst_floatx80_le_quiet:
+ENTRY(syst_floatx80_le_quiet)
        fldt 4(%esp)
        fldt 16(%esp)
        fucompp
@@ -318,9 +321,8 @@
 -------------------------------------------------------------------------------
 -------------------------------------------------------------------------------
 */
-       .align 2
-.globl _syst_floatx80_lt_quiet
-_syst_floatx80_lt_quiet:
+
+ENTRY(syst_floatx80_lt_quiet)
        fldt 4(%esp)
        fldt 16(%esp)
        fucompp
@@ -330,3 +332,45 @@
        movzb %al,%eax
        ret
 
+/*
+-------------------------------------------------------------------------------
+-------------------------------------------------------------------------------
+*/
+
+ENTRY(syst_floatx80_to_int32_round_to_zero)
+       pushl %ebp
+       movl %esp,%ebp
+       subl $12,%esp
+       fldt 8(%ebp)
+       fnstcw -4(%ebp)
+       movl -4(%ebp),%edx
+       movb $12,%dh
+       movl %edx,-12(%ebp)
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