For the following C function, the types of the four arguments are defined by typedef: Determine the
Question:
For the following C function, the types of the four arguments are defined by typedef:
Determine the possible combinations of types of the four arguments (there may be more than one).
Transcribed Image Text:
double funct1 (arg1_t p, arg2_t q, arg3_t r, arg4_t s) { return p/(q+r) S; } When compiled, GCC generates the following code: 1 2 3 4 5 698 av 7 9 double functi(argi_t p, arg2_t q, arg3_t r, arg4_t s) funct1: vcvtsi2ssq vaddss %xmm0, %xmm2, %xmmo %rsi, %xmm2, %xmm2 vcvtsi2ss vdivss %xmm0, vunpcklps vcvtps2pd %edi, %xmm2, %xmm2 %xmm2, %xmm0 %xmm0, %xmmo, %zmmo %xmmo, %xmmo vsubsd %xmm1, %xmm0, %xmmo ret
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We can see from the assembly code that there are two integer arguments passed in registers rdi and r...View the full answer
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Related Book For
Computer Systems A Programmers Perspective
ISBN: 9781292101767
3rd Global Edition
Authors: Randal E. Bryant, David R. O'Hallaron
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