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// ================================================================================================
// Code written while reading chapter 11 of Modern Arm Assembly Language Programming
//
// License:
// SPDX-License-Identifier: 0BSD
// Copyright (c) 2026 Hunter Kvalevog
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE.
// ================================================================================================
#include "common.S"
TEXT_SEGMENT
// example 1
.global SYM(i32_add_sub)
.global SYM(i64_add_sub)
SYM(i32_add_sub):
// w0: a
// w1: b
// w2: c
#if 0
add w3, w0, w1
sub w0, w3, w2
#else
add w0, w0, w1
sub w0, w0, w2
#endif
// w0: return
ret
SYM(i64_add_sub):
// x0: a
// x1: b
// x2: c
add x3, x0, x1
sub x0, x3, x2
// x0: return
ret
// example 2
.global SYM(i32_mul)
.global SYM(i32_mul_safe)
SYM(i32_mul):
// w0: a
// w1: b
mul w0, w0, w1
// w0: return
ret
SYM(i32_mul_safe):
// w0: a
// w1: b
smull x0, w0, w1
// x0: ret
ret
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