/** * 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 "floorf.S" .text .p2align 4,,15 .globl __MINGW_USYMBOL(floorf) .def __MINGW_USYMBOL(floorf); .scl 2; .type 32; .endef #ifdef __x86_64__ .seh_proc __MINGW_USYMBOL(floorf) #endif __MINGW_USYMBOL(floorf): #if defined(_AMD64_) || defined(__x86_64__) subq $40, %rsp .seh_stackalloc 40 .seh_endprologue unpcklps %xmm0, %xmm0 cvtps2pd %xmm0, %xmm0 call floor unpcklpd %xmm0, %xmm0 cvtpd2ps %xmm0, %xmm0 addq $40, %rsp ret .seh_endproc .def __MINGW_USYMBOL(floor); .scl 2; .type 32; .endef #elif defined(_X86_) || defined(__i386__) flds 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