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ViralBShahViralBShah
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Add fmod assembly version (#255)
From https://github.com/freebsd/freebsd-src/tree/master/lib/msun/amd64
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4 files changed

+121
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‎amd64/Make.files

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Original file line numberDiff line numberDiff line change
@@ -3,4 +3,5 @@ $(CUR_SRCS) = fenv.c e_remainder.S e_remainderf.S e_remainderl.S \
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s_llrint.S s_llrintf.S s_llrintl.S \
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s_logbl.S s_lrint.S s_lrintf.S s_lrintl.S \
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s_remquo.S s_remquof.S s_remquol.S \
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s_rintl.S s_scalbn.S s_scalbnf.S s_scalbnl.S
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s_rintl.S s_scalbn.S s_scalbnf.S s_scalbnl.S \
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e_fmod.S e_fmodf.S e_fmodl.S

‎amd64/e_fmod.S

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@@ -0,0 +1,51 @@
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/*
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* Copyright (c) 1993,94 Winning Strategies, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Winning Strategies, Inc.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Based on the i387 version written by:
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* J.T. Conklin ([email protected]), Winning Strategies, Inc.
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*/
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#include <amd64/bsd_asm.h>
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ENTRY(fmod)
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movsd %xmm0,-8(%rsp)
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movsd %xmm1,-16(%rsp)
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fldl -16(%rsp)
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fldl -8(%rsp)
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1: fprem
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fstsw %ax
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testw $0x400,%ax
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jne 1b
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fstpl -8(%rsp)
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movsd -8(%rsp),%xmm0
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fstp %st
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ret
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END(fmod)

‎amd64/e_fmodf.S

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/*
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* Based on the i387 version written by J.T. Conklin <[email protected]>.
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* Public domain.
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*/
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#include <amd64/bsd_asm.h>
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ENTRY(fmodf)
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movss %xmm0,-4(%rsp)
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movss %xmm1,-8(%rsp)
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flds -8(%rsp)
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flds -4(%rsp)
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1: fprem
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fstsw %ax
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testw $0x400,%ax
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jne 1b
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fstps -4(%rsp)
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movss -4(%rsp),%xmm0
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fstp %st
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ret
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END(fmodf)

‎amd64/e_fmodl.S

+47
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,47 @@
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/*
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* Copyright (c) 1993,94 Winning Strategies, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Winning Strategies, Inc.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Based on the i387 version written by:
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* J.T. Conklin ([email protected]), Winning Strategies, Inc.
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*/
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#include <amd64/bsd_asm.h>
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ENTRY(fmodl)
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fldt 24(%rsp)
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fldt 8(%rsp)
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1: fprem
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fstsw %ax
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testw $0x400,%ax
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jne 1b
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fstp %st(1)
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ret
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END(fmodl)

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