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9.4

how to get a primitive type from assembler code

Asked by jokemach in C Programming Language

Tags: type

Hi,

I'm having trouble with returning a int from a nasm 0.98.39 code to gcc 3.4.2 (mingw), the relevant code looks like this:

SIMDstruct_vector equ 0
SIMDstruct_options equ 4*4

; float test(const SIMDstruct *one, const SIMDstruct *two)
_test: mov eax, dword[esp+4]
         mov eax, dword[esp+4]
         movups xmm0, [eax+SIMDstruct_vector]
         movups xmm1, [eax+SIMDstruct_vector]
         ...
         ...
         ...
         mov dword[esp-4],0x1
         ret

(... is SSE code)

when I try to read it the value with...

printf("%d", test(simd1, simd2));

I get a weird value... like 2293584...

I would really need help on this one really fast.

Thanks!
[+][-]01/20/07 07:16 AM, ID: 18356493Expert Comment

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[+][-]01/20/07 08:43 AM, ID: 18356740Expert Comment

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[+][-]01/20/07 09:09 AM, ID: 18356839Accepted Solution

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About this solution

Zone: C Programming Language
Tags: type
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Solution Provided By: Infinity08
Participating Experts: 2
Solution Grade: A
 
 
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