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

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Signature __________________ Name___________________ cs30x____ Student ID _________________ Score: Quiz 3 CSE 30 Fall 2006 #1. a) Write the appropriate save instruction to allocate stack space for the following local variables and any padding . unsigned short a; char b; short c; int d; char e; short f; save _________ , ______________________________ , _________ (Use the formula, not an absolute value) b) Write the appropriate unoptimized SPARC assembly instructions using the above local variables. b = d; a = 0xCAFE; f = -8675309; c = e; (OVER)
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#2. a) Write the appropriate save instruction to allocate stack space for the following local variable declaration . short a[5]; 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[3]; ________________________ ________________________ a[2] = a[4]; ________________________ ________________________ short *ptr; /* ptr mapped to %l2 */ ptr = &a[0]; ________________________ ptr++; /* ptr mapped to %l2 */ ________________________ short 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. double a[10]; a is equivalent to ___________________________________ ....
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