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Diffstat (limited to 'rust/asm/main_aarch64.S')
| -rw-r--r-- | rust/asm/main_aarch64.S | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/rust/asm/main_aarch64.S b/rust/asm/main_aarch64.S new file mode 100644 index 0000000..191df8c --- /dev/null +++ b/rust/asm/main_aarch64.S @@ -0,0 +1,35 @@ +// ================================================================================================ +// Rust->assembly interop demo +// +// License: +// 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/aarch64/common.S" + +TEXT_SEGMENT + +.global SYM(add_u32) +.global SYM(dot_f32v3) + +SYM(add_u32): + add w0, w0, w1 + ret + +SYM(dot_f32v3): + ldp s1, s2, [x0] // a.x, a.y + ldp s3, s4, [x1] // b.x, b.y + ldr s5, [x0, #8] // a.z + ldr s6, [x1, #8] // b.z + + fmul s0, s1, s3 // a.x * b.x + fmadd s0, s2, s4, s0 // + a.y * b.y + fmadd s0, s5, s6, s0 // + a.z * b.z + + ret |