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cvtps2pi.asm
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cvtps2pi.asm
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global _start
section .data
align 16
float0low:
dd 12345.678
float0high:
dd 1234.5
float1low:
dd 0x80000001.0
float1high:
dd -2147483130.0
mxcsr:
dd 0
; Set mxcsr regiter rouding bits
%macro setRoundingBits 1
stmxcsr [mxcsr]
mov eax, [mxcsr]
and ax, 0x9F80
or ah, %1
mov [mxcsr], eax
ldmxcsr [mxcsr]
%endmacro
%include "header.inc"
setRoundingBits 0x00 ; Round to nearest
cvtps2pi mm0, [float0low]
cvtps2pi mm4, [float1low]
setRoundingBits 0x20 ; Round down
cvtps2pi mm1, [float0low]
cvtps2pi mm5, [float1low]
setRoundingBits 0x40 ; Round up
cvtps2pi mm2, [float0low]
cvtps2pi mm6, [float1low]
setRoundingBits 0x60 ; Round toward zero
cvtps2pi mm3, [float0low]
cvtps2pi mm7, [float1low]
%include "footer.inc"