diff options
| Commit | c55d903aa7b6cdc49f172c6436b249136bddd82d (patch) | |
|---|---|---|
| Author | 2020-12-12 20:46:55 +0200 | |
| Committer | 2020-12-12 20:46:55 +0200 | |
| Files | 78bfa2366f5a1354bc32c3032d5d1aac9e4797de /demo | |
| IPL-c55d903aa7b6cdc49f172c6436b249136bddd82d.tar IPL-c55d903aa7b6cdc49f172c6436b249136bddd82d.tar.gz IPL-c55d903aa7b6cdc49f172c6436b249136bddd82d.zip | ||
| Parent | 715632578a616f7a983553c7c6670c785bd41f2c (diff) | |
Add template jit slides and demo
2 files changed, 51 insertions, 0 deletions
| -rw-r--r-- | demo/asm/add_answer.asm | 42 | ||||
| -rw-r--r-- | demo/asm/main.cpp | 9 |
diff --git a/demo/asm/add_answer.asm b/demo/asm/add_answer.asm new file mode 100644 index 0000000..2864c3c --- /dev/null +++ b/demo/asm/add_answer.asm @@ -0,0 +1,42 @@ +global add_answer
+
+section .text
+add_answer_2:
+ push rbp
+ mov rbp, rsp
+ mov rax, 42
+ add rax, rcx
+ pop rbp
+ ret
+
+add_answer:
+ push rbp
+ mov rbp, rsp
+ push r15
+ mov r15, rsp
+ push r9
+ push r8
+ push rcx
+ push rdx
+ push rsi
+; Handle Win64 calling convention
+; push rdi ; used by System V
+ push rcx ; used by Win64
+ push 1
+ mov rdi, rsp
+
+ mov [rdi - 8], byte 42
+
+ mov r8, [rdi + 8]
+ mov r9, [rdi - 8]
+
+ mov rcx, r8
+ add rcx, r9
+
+ mov [rdi + 16], rcx
+
+ mov eax, [rdi + 16]
+ mov rsp, r15
+ pop r15
+ pop rbp
+ ret
diff --git a/demo/asm/main.cpp b/demo/asm/main.cpp new file mode 100644 index 0000000..ec9ba10 --- /dev/null +++ b/demo/asm/main.cpp @@ -0,0 +1,9 @@ +#include <cstdio>
+#include <cstdint>
+
+extern "C" int64_t add_answer(int64_t x);
+
+int main() {
+ std::printf("The result is %lld\n", add_answer(24));
+ return 0;
+}
|