| /** |
| * 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. |
| */ |
| #include <_mingw_mac.h> |
| |
| .file "floorl.S" |
| .text |
| #ifdef _WIN64 |
| .align 8 |
| #else |
| .align 4 |
| #endif |
| .globl __MINGW_USYMBOL(floorl) |
| .def __MINGW_USYMBOL(floorl); .scl 2; .type 32; .endef |
| __MINGW_USYMBOL(floorl): |
| #if defined(_AMD64_) || defined(__x86_64__) |
| fldt (%rdx) |
| subq $24,%rsp |
| |
| fstcw 8(%rsp) /* store fpu control word */ |
| |
| /* We use here %edx although only the low 1 bits are defined. |
| But none of the operations should care and they are faster |
| than the 16 bit operations. */ |
| movl $0x400,%edx /* round towards -oo */ |
| orl 8(%rsp),%edx |
| andl $0xf7ff,%edx |
| movl %edx,(%rsp) |
| fldcw (%rsp) /* load modified control word */ |
| |
| frndint /* round */ |
| |
| fldcw 8(%rsp) /* restore original control word */ |
| |
| addq $24,%rsp |
| movq %rcx,%rax |
| movq $0,8(%rcx) |
| fstpt (%rcx) |
| ret |
| #elif defined(_ARM_) || defined(__arm__) |
| vmrs r1, fpscr |
| bic r0, r1, #0x00c00000 |
| orr r0, r0, #0x00800000 /* Round towards Minus Infinity */ |
| vmsr fpscr, r0 |
| vcvtr.s32.f64 s0, d0 |
| vcvt.f64.s32 d0, s0 |
| vmsr fpscr, r1 |
| bx lr |
| #elif defined(_X86_) || defined(__i386__) |
| fldt 4(%esp) |
| subl $8,%esp |
| |
| fstcw 4(%esp) /* store fpu control word */ |
| |
| /* We use here %edx although only the low 1 bits are defined. |
| But none of the operations should care and they are faster |
| than the 16 bit operations. */ |
| movl $0x400,%edx /* round towards -oo */ |
| orl 4(%esp),%edx |
| andl $0xf7ff,%edx |
| movl %edx,(%esp) |
| fldcw (%esp) /* load modified control word */ |
| |
| frndint /* round */ |
| |
| fldcw 4(%esp) /* restore original control word */ |
| |
| addl $8,%esp |
| ret |
| #endif |
