| /** |
| * 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. |
| * |
| * IEEE 854 double-extended-precision format |
| * unsigned int mantissa1:32 |
| * unsigned int mantissa0:32 |
| * unsigned int exponent:15 |
| * unsigned int negative:1 |
| * unsigned int empty:16 |
| * |
| * long double _chgsignl(long double x) { |
| * ((unsigned int *) &x)[2] ^= 0x00008000; |
| * return x; |
| * } |
| */ |
| |
| #include <_mingw_mac.h> |
| |
| .file "_chgignl.S" |
| .text |
| #ifdef __x86_64__ |
| .align 8 |
| #else |
| .align 4 |
| #endif |
| .globl __MINGW_USYMBOL(_chgsignl) |
| .def __MINGW_USYMBOL(_chgsignl); .scl 2; .type 32; .endef |
| __MINGW_USYMBOL(_chgsignl): |
| #if defined(_AMD64_) || defined(__x86_64__) |
| movq (%rdx), %rax |
| movq 8(%rdx), %rdx |
| xorq $0x8000, %rdx |
| movq %rax, (%rcx) |
| movq %rdx, 8(%rcx) |
| movq %rcx, %rax |
| ret |
| #elif defined(_X86_) || defined(__i386__) |
| movl 12(%esp),%eax |
| xorl $0x8000,%eax |
| movl %eax,12(%esp) |
| fldt 4(%esp) |
| ret |
| #endif |
| |
