diff options
| author | pommicket <pommicket@gmail.com> | 2022-02-11 14:34:54 -0500 |
|---|---|---|
| committer | pommicket <pommicket@gmail.com> | 2022-02-11 14:34:54 -0500 |
| commit | 81d68505393007c7e851018a5b999ca8cf0d208e (patch) | |
| tree | e3f747e700dd86657fdef02397f8ef01bcb82eec /README.md | |
| parent | b13e16b517fb02f1fc25b3bfd166b9f3bd5b94ed (diff) | |
addition
Diffstat (limited to 'README.md')
| -rw-r--r-- | README.md | 4 |
1 files changed, 4 insertions, 0 deletions
@@ -112,6 +112,7 @@ ax bx cx dx sp bp si di │ Instruction │ Encoding │ Description │ ├──────────────────────┼───────────────────┼────────────────────────────────────────┤ │ mov rax, IMM64 │ 48 b8 IMM64 │ set rax to the 64-bit value IMM64 │ +│ mov rbx, IMM64 │ 48 bb IMM64 │ set rbx to the 64-bit value IMM64 │ │ xor eax, eax │ 31 c0 │ set rax to 0 (shorter than mov rax, 0) │ │ xor edx, edx │ 31 d2 │ set rdx to 0 │ │ mov RDEST, RSRC │ 48 89 (DEST|SRC<<3|0xc0) │ set register DEST to current │ @@ -184,11 +185,14 @@ ax bx cx dx sp bp si di | movq rax, xmm0 | 66 48 0f 7e c0 | set rax to xmm0 | | movq xmm0, rax | 66 48 0f 6e c0 | set xmm0 to rax | | movq xmm1, rax | 66 48 0f 6e c8 | set xmm1 to rax | +| movq xmm1, xmm0 | f3 0f 7e c8 | set xmm1 to xmm0 | | cvtss2sd xmm0, xmm0 | f3 0f 5a c0 | convert xmm0 from float to double | | cvtsd2ss xmm0, xmm0 | f2 0f 5a c0 | convert xmm0 from double to float | | cvttsd2si rax, xmm0 | f2 48 0f 2c c0 | convert double in xmm0 to int in rax | | cvtsi2sd xmm0, rax | f2 48 0f 2a c0 | convert int in rax to double in xmm0 | | comisd xmm0, xmm1 | 66 0f 2f c1 | compare xmm0 and xmm1 | +| addsd xmm0, xmm1 | f2 0f 58 c1 | add xmm1 to xmm0 | +| subsd xmm0, xmm1 | f2 0f 5c c1 | subtract xmm1 from xmm0 | │ call rax │ ff d0 │ call the function at address rax │ │ ret │ c3 │ return from function │ │ syscall │ 0f 05 │ execute a system call │ |