Your are to take the following c code and do the following on Eve: create a...

Your are to take the following c code and do the following on Eve:

create a file with the code called quiz32.c
create a second file with the code called quiz64.c
Using gcc and stopping it after the Assembly phase, generate an optimization level 1, 32 bit ISA relocatable object file for quiz32.c
Using gcc and stopping it after the Assembly phase, generate an optimization level 1, 64 bit ISA relocatable object file for quiz64.c
obtain a list of the current files in your directory by running the command: ls -ltr
copy the output of the command to a file called quiz2-<your-name>
copy to the same file the contents of the generated 32 bit relocatable object file
also copy to the same file the contents of the generated 64 bit relocatable object file
utilizing this file, comment/annotate each line of the assembly language and how it relates to the original c code/function.
Save the file often. When complete or when time has expired, submit the one file.

//quiz.c

int arith(int x, int y, int z)
{
   int a=z + x;
   int b=y + 4;
   int c=a * 12;
   int d=c + b;

   return d;
}

Expert Solution

-fauto-inc-dec 
-fbranch-count-reg 
-fcombine-stack-adjustments 
-fcompare-elim 
-fcprop-registers 
-fdce 
-fdefer-pop 
-fdelayed-branch 
-fdse 
-fforward-propagate 
-fguess-branch-probability 
-fif-conversion 
-fif-conversion2 
-finline-functions-called-once 
-fipa-modref 
-fipa-profile 
-fipa-pure-const 
-fipa-reference 
-fipa-reference-addressable 
-fmerge-constants 
-fmove-loop-invariants 
-fomit-frame-pointer 
-freorder-blocks 
-fshrink-wrap 
-fshrink-wrap-separate 
-fsplit-wide-types 
-fssa-backprop 
-fssa-phiopt 
-ftree-bit-ccp 
-ftree-ccp 
-ftree-ch 
-ftree-coalesce-vars 
-ftree-copy-prop 
-ftree-dce 
-ftree-dominator-opts 
-ftree-dse 
-ftree-forwprop 
-ftree-fre 
-ftree-phiprop 
-ftree-pta 
-ftree-scev-cprop 
-ftree-sink 
-ftree-slsr 
-ftree-sra 
-ftree-ter 
-funit-at-a-time
Optimize even more. GCC performs nearly all supported optimizations that do not involve a space-speed tradeoff. As compared to -O, this option increases both compilation time and the performance of the generated code.

-O2 turns on all optimization flags specified by -O. It also turns on the following optimization flags:

-falign-functions  -falign-jumps 
-falign-labels  -falign-loops 
-fcaller-saves 
-fcode-hoisting 
-fcrossjumping 
-fcse-follow-jumps  -fcse-skip-blocks 
-fdelete-null-pointer-checks 
-fdevirtualize  -fdevirtualize-speculatively 
-fexpensive-optimizations 
-ffinite-loops 
-fgcse  -fgcse-lm  
-fhoist-adjacent-loads 
-finline-functions 
-finline-small-functions 
-findirect-inlining 
-fipa-bit-cp  -fipa-cp  -fipa-icf 
-fipa-ra  -fipa-sra  -fipa-vrp 
-fisolate-erroneous-paths-dereference 
-flra-remat 
-foptimize-sibling-calls 
-foptimize-strlen 
-fpartial-inlining 
-fpeephole2 
-freorder-blocks-algorithm=stc 
-freorder-blocks-and-partition  -freorder-functions 
-frerun-cse-after-loop  
-fschedule-insns  -fschedule-insns2 
-fsched-interblock  -fsched-spec 
-fstore-merging 
-fstrict-aliasing 
-fthread-jumps 
-ftree-builtin-call-dce 
-ftree-pre 
-ftree-switch-conversion  -ftree-tail-merge 
-ftree-vrp
fgcse-after-reload 
-fipa-cp-clone
-floop-interchange 
-floop-unroll-and-jam 
-fpeel-loops 
-fpredictive-commoning 
-fsplit-loops 
-fsplit-paths 
-ftree-loop-distribution 
-ftree-loop-vectorize 
-ftree-partial-pre 
-ftree-slp-vectorize 
-funswitch-loops 
-fvect-cost-model 
-fvect-cost-model=dynamic 
-fversion-loops-for-strides
falign-functions  -falign-jumps 
-falign-labels  -falign-loops 
-fprefetch-loop-arrays  -freorder-blocks-algorithm
-fbranch-count-reg  -fdelayed-branch 
-fdse  -fif-conversion  -fif-conversion2  
-finline-functions-called-once 
-fmove-loop-invariants  -fssa-phiopt 
-ftree-bit-ccp  -ftree-dse  -ftree-pta  -ftree-sra

venereology answered 10 months ago

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