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MathWorld/Makefile

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+build:
+	gcc -g src/MathWorld.c src/*.s -o out_a64

MathWorld/src/MathWorld.c

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+#include <stdio.h>
+
+extern long long int aa_add(long long int a, long long int b);
+extern long long int aa_sub(long long int a, long long int b);
+extern long long int aa_mul(long long int a, long long int b);
+extern long long int aa_madd(long long int a, long long int b, long long int c);
+extern long long int aa_udiv(long long int a, long long int b);
+
+extern double aa_fadd(double d, double e);
+extern double aa_fdiv(double d, double e);
+
+int main(void)
+{
+    long long int a = 3;
+    long long int b = 2;
+    long long int c = 2;
+
+    double d = 3.2;
+    double e = 1.6;
+
+
+    printf("ARM ASSEMBLY 64-bit Integer Operations\n");
+    printf("ADD x0 %d x1 %d RET %d\n", a, b, aa_add(a, b));
+    printf("SUB x0 %d x1 %d RET %d\n", a, b, aa_sub(a, b));
+    printf("MUL x0 %d x1 %d RET %d\n", a, b, aa_mul(a, b));
+    printf("MADD x0 %d x1 %d x2 %d RET %d\n", a, b, c, aa_madd(a, b, c));
+    printf("UDIV x0 %d x1 %d RET %d\n", a, b, aa_udiv(a, b));
+
+    printf("ARM ASSEMBLY 64-bit Floating Point Operations\n");
+    printf("FADD d0 %lf d1 %lf RET %lf\n", d, e, aa_fadd(d, e));
+    printf("FDIV d0 %lf d1 %lf RET %lf\n", d, e, aa_fdiv(d, e));
+    return (0);
+}

MathWorld/src/aa_add.s

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+    .global    aa_add
+    .type      aa_add, "function"
+    .p2align   4
+aa_add:
+    add        x0, x0, x1
+    ret

MathWorld/src/aa_fadd.s

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+    .global    aa_fadd
+    .type      aa_fadd, "function"
+    .p2align   4
+aa_fadd:
+    fadd       d0, d0, d1
+    ret

MathWorld/src/aa_fdiv.s

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+    .global    aa_fdiv
+    .type      aa_fdiv, "function"
+    .p2align   4
+aa_fdiv:
+    fdiv       d0, d0, d1
+    ret

MathWorld/src/aa_madd.s

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+    .global    aa_madd
+    .type      aa_madd, "function"
+    .p2align   4
+aa_madd:
+    madd       x0, x0, x1, x2
+    ret

MathWorld/src/aa_mul.s

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+    .global    aa_mul
+    .type      aa_mul, "function"
+    .p2align   4
+aa_mul:
+    madd       x0, x0, x1, XZR
+    ret

MathWorld/src/aa_sub.s

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+    .global    aa_sub
+    .type      aa_sub, "function"
+    .p2align   4
+aa_sub:
+    sub        x0, x0, x1
+    ret

MathWorld/src/aa_udiv.s

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+    .global    aa_udiv
+    .type      aa_udiv, "function"
+    .p2align   4
+aa_udiv:
+    udiv       x0, x0, x1
+    ret