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55 lines
1.2 KiB
ArmAsm
55 lines
1.2 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 w64 mingw-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 "ceilf.S"
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.text
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.align 4
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.globl __MINGW_USYMBOL(ceilf)
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.def __MINGW_USYMBOL(ceilf); .scl 2; .type 32; .endef
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__MINGW_USYMBOL(ceilf):
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#ifdef _WIN64
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subq $24,%rsp
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movss %xmm0,8(%rsp)
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flds 8(%rsp)
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fstcw 4(%rsp) /* store fpu control word */
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movl $0x0800,%edx /* round towards +oo */
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orl 4(%rsp),%edx
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andl $0xfbff,%edx
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movl %edx,(%rsp)
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fldcw (%rsp) /* load modified control word */
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frndint /* round */
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fldcw 4(%rsp) /* restore original control word */
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fstps 8(%rsp)
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movss 8(%rsp),%xmm0
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addq $24,%rsp
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ret
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#else
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flds 4(%esp)
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subl $8,%esp
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fstcw 4(%esp) /* store fpu control word */
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/* We use here %edx although only the low 1 bits are defined.
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But none of the operations should care and they are faster
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than the 16 bit operations. */
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movl $0x0800,%edx /* round towards +oo */
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orl 4(%esp),%edx
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andl $0xfbff,%edx
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movl %edx,(%esp)
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fldcw (%esp) /* load modified control word */
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frndint /* round */
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fldcw 4(%esp) /* restore original control word */
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addl $8,%esp
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ret
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#endif
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