792e51b721
This patch adds the long double functions missing in newlib to Cygwin.
Apart from some self-written additions (exp10l, finite{f,l}, isinf{f,l},
isnan{f,l}, pow10l) the files are taken from the Mingw-w64 math lib.
Minor changes were required, e.g. substitue _WIN64 with __x86_64__ and
fixing __FLT_RPT_DOMAIN/__FLT_RPT_ERANGE for Cygwin.
Cygwin:
* math: New subdir with math functions.
* Makefile.in (VPATH): Add math subdir.
(MATH_OFILES): List of object files collected from building files in
math subdir.
(DLL_OFILES): Add $(MATH_OFILES).
${CURDIR}/libm.a: Add $(MATH_OFILES) to build.
* common.din: Add new functions from math subdir.
* i686.din: Align to new math subdir. Remove functions now commonly
available.
* x86_64.din: Ditto.
* math.h: math.h wrapper to define mingw structs used in some files in
math subdir.
* include/cygwin/version.h: Bump API minor version.
newlib:
* libc/include/complex.h: Add prototypes for complex long double
functions. Only define for Cygwin.
* libc/include/math.h: Additionally enable prototypes of long double
functions for Cygwin. Add Cygwin-only prototypes for dreml, sincosl,
exp10l and pow10l. Explain why we don't add them to newlib.
* libc/include/tgmath.h: Enable long double handling on Cygwin.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
76 lines
1.5 KiB
ArmAsm
76 lines
1.5 KiB
ArmAsm
/**
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* This file has no copyright assigned and is placed in the Public Domain.
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* This file is part of the mingw-w64 runtime package.
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* No warranty is given; refer to the file DISCLAIMER.PD within this package.
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*/
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#include <_mingw_mac.h>
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.file "remquol.S"
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.text
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#ifdef __x86_64__
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.align 8
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#else
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.align 4
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#endif
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.globl __MINGW_USYMBOL(remquol)
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__MINGW_USYMBOL(remquol):
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#ifdef __x86_64__
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pushq %rcx
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fldt (%r8)
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fldt (%rdx)
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1: fprem1
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fstsw %ax
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sahf
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jp 1b
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fstp %st(1)
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movl %eax, %ecx
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shrl $8, %eax
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shrl $12, %ecx
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andl $4, %ecx
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andl $3, %eax
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orl %eax, %ecx
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movl $0xef2a60, %eax
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leal (%ecx,%ecx,2),%ecx
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shrl %cl, %eax
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andl $7, %eax
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movl 8(%rdx), %edx
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xorl 8(%r8), %edx
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testl $0x8000, %edx
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jz 1f
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negl %eax
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1: movl %eax, (%r9)
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popq %rcx
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movq %rcx,%rax
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movq $0,8(%rcx)
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fstpt (%rcx)
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ret
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#else
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fldt 4 +12(%esp)
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fldt 4(%esp)
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1: fprem1
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fstsw %ax
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sahf
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jp 1b
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fstp %st(1)
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movl %eax, %ecx
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shrl $8, %eax
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shrl $12, %ecx
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andl $4, %ecx
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andl $3, %eax
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orl %eax, %ecx
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movl $0xef2a60, %eax
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leal (%ecx,%ecx,2),%ecx
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shrl %cl, %eax
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andl $7, %eax
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movl 4 +12 +12(%esp), %ecx
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movl 4 +8(%esp), %edx
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xorl 4 +12 +8(%esp), %edx
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testl $0x8000, %edx
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jz 1f
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negl %eax
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1: movl %eax, (%ecx)
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ret
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#endif
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