File: asm_arm64.c

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (38 lines) | stat: -rw-r--r-- 612 bytes parent folder | download | duplicates (10) 
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
 
// RUN: %clang_cc1 -triple arm64-apple-ios -emit-llvm -o - %s | FileCheck %s

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

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

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

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

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

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));
}