Quiz3.wi07

SPARC Architecture, Assembly Language Programming, and C (2nd Edition)

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Signature __________________ Name___________________ cs30x____ Student ID _________________ Score: Quiz 3 CSE 30 Winter 2007 #1. a) Write the appropriate save instruction to allocate stack space for the following local variables and any padding . char a; float b; short c; int d; char e; unsigned short f; save _________ , ______________________________ , _________ (Use the formula, not an absolute value) b) Write the appropriate unoptimized SPARC assembly instructions using the above local variables. d = f; c = 0xDEAD; a = e; e = c; (OVER)
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#2. a) Write the appropriate save instruction to allocate stack space for the following local variable declaration . int a[7]; save _________ , ______________________________ ,
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Unformatted text preview: _________ (Use the formula, not an absolute value) b) Write the appropriate instructions to perform the following assignment statements. a[1] = a[6]; ________________________ ________________________ a[3] = a[0]; ________________________ ________________________ int *ptr; /* ptr mapped to %l2 */ ptr = &a[2]; ________________________ ptr++; /* ptr mapped to %l2 */ ________________________ int x = *ptr; /* x mapped to %l0; ptr to %l2 */ ________________________ *ptr = x; /* x mapped to %l0; ptr to %l2 */ ________________________ #3. Write the equivalent expression the C compiler really uses for an array name. short a[10]; a is equivalent to ___________________________________ ....
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Quiz3.wi07 - _________ (Use the formula, not an absolute...

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