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Runtime error
Runtime error
File size: 941 Bytes
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global _start
section .data
align 16
controlword:
dw 0
dwordmxcsr:
dw 0
dword0:
dd 1000.0
dword1:
dd 5.0
dword2:
dd 3000.0
dwSNaN:
dd __SNaN__
dwQNaN:
dd __QNaN__
; Moves EFLAGS into specified register
%macro moveflags 1
pushf
and dword [esp], 0x45
pop eax
movd %1, eax
%endmacro
%include "header.inc"
movd xmm0, [dword0]
; Equal
comiss xmm0, [dword0]
moveflags mm0 ; [ZF] = 100000
; Less than
comiss xmm0, [dword1]
moveflags mm1 ; [CF] = 000001
; Greater than
comiss xmm0, [dword2]
moveflags mm2 ; [] = 000000
; Unordered: Quiet NaN
movd xmm1, [dwQNaN]
ucomiss xmm0, xmm1
moveflags mm3 ; [ZF][PF][CF] = 100101
; Check #I exception
stmxcsr [dwordmxcsr]
movd mm4, [dwordmxcsr]
; Unordered: Signaling NaN
movd xmm1,[dwSNaN]
ucomiss xmm0, xmm1
moveflags mm5 ; [ZF][PF][CF] = 100101
; Check #I exception
stmxcsr [dwordmxcsr]
movd mm6, [dwordmxcsr]
%include "footer.inc"
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