| /** |
| * This file has no copyright assigned and is placed in the Public Domain. |
| * This file is part of the mingw-w64 runtime package. |
| * No warranty is given; refer to the file DISCLAIMER.PD within this package. |
| */ |
| /* |
| * Written by J.T. Conklin <jtc@netbsd.org>. |
| * Changes for long double by Ulrich Drepper <drepper@cygnus.com> |
| * Public domain. |
| */ |
| #include <_mingw_mac.h> |
| |
| .file "copysignl.S" |
| .text |
| #ifdef _WIN64 |
| .align 8 |
| #else |
| .align 4 |
| #endif |
| |
| .globl __MINGW_USYMBOL(copysignl) |
| .def __MINGW_USYMBOL(copysignl); .scl 2; .type 32; .endef |
| __MINGW_USYMBOL(copysignl): |
| #if defined(_AMD64_) || defined(__x86_64__) |
| movq (%rdx), %rax |
| movq %rax, (%rcx) |
| movq 8(%rdx), %rax |
| movq 8(%r8), %rdx |
| andq $0x777f, %rax |
| andq $0x8000, %rdx |
| orq %rdx, %rax |
| movq %rax, 8(%rcx) |
| movq %rcx, %rax |
| ret |
| #elif defined(_ARM_) || defined(__arm__) |
| fcmpzd d1 |
| fmstat |
| bmi 1f /* jump if d1 is negative */ |
| fcmpzd d0 |
| fmstat |
| vnegmi.f64 d0, d0 /* negate d0 if it is negative */ |
| bx lr |
| 1: fcmpzd d0 |
| fmstat |
| vnegpl.f64 d0, d0 /* negate d0 if it is positive */ |
| bx lr |
| #elif defined(_X86_) || defined(__i386__) |
| movl 24(%esp),%edx |
| movl 12(%esp),%eax |
| andl $0x8000,%edx |
| andl $0x7fff,%eax |
| orl %edx,%eax |
| movl %eax,12(%esp) |
| fldt 4(%esp) |
| ret |
| #endif |
