File: asm_arm64.c

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2~deb10u1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 995,836 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (45 lines) | stat: -rw-r--r-- 675 bytes parent folder | download | duplicates (23) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
 
// RUN: %clang_cc1 -triple arm64-apple-ios -emit-llvm -o - %s | FileCheck %s

// rdar://9167275

int t1()
{
  int x;
  __asm__("mov %0, 7" : "=r" (x));
  return x;
}

long t2()
{
  long x;
  __asm__("mov %0, 7" : "=r" (x));
  return x;
}

long t3()
{
  long x;
  __asm__("mov %w0, 7" : "=r" (x));
  return x;
}

// rdar://9281206

void t4(long op) {
  long x1;
  asm ("mov x0, %1; svc #0;" : "=r"(x1) :"r"(op),"r"(x1) :"x0" );
}

// rdar://9394290

float t5(float x) {
  __asm__("fadd %0, %0, %0" : "+w" (x));
  return x;
}

// rdar://9865712
void t6 (void *f, int g) {
  // CHECK: t6
  // CHECK: call void asm "str $1, $0", "=*Q,r"
  asm("str %1, %0" : "=Q"(f) : "r"(g));
}