File: mips-inline-asm.c

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb11u2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,634,820 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (31 lines) | stat: -rw-r--r-- 987 bytes parent folder | download | duplicates (12) 
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
 
// REQUIRES: mips-registered-target
// RUN: %clang_cc1 -triple mips-linux-gnu -emit-llvm -o - %s | FileCheck %s

int data;

void m () {
  asm("lw $1, %0" :: "m"(data));
  // CHECK: call void asm sideeffect "lw $$1, $0", "*m,~{$1}"(ptr elementtype(i32) @data)
}

void ZC () {
  asm("ll $1, %0" :: "ZC"(data));
  // CHECK: call void asm sideeffect "ll $$1, $0", "*^ZC,~{$1}"(ptr elementtype(i32) @data)
}

void R () {
  asm("lw $1, %0" :: "R"(data));
  // CHECK: call void asm sideeffect "lw $$1, $0", "*R,~{$1}"(ptr elementtype(i32) @data)
}

int additionalClobberedRegisters () {
  int temp0;
  asm volatile(
                "mfhi %[temp0], $ac1 \n\t"
                  : [temp0]"=&r"(temp0)
                  :
                  : "memory", "t0", "t1", "$ac1hi", "$ac1lo", "$ac2hi", "$ac2lo", "$ac3hi", "$ac3lo"
  );
  return 0;
  // CHECK: call i32 asm sideeffect "mfhi $0, $$ac1 \0A\09", "=&r,~{memory},~{$8},~{$9},~{$ac1hi},~{$ac1lo},~{$ac2hi},~{$ac2lo},~{$ac3hi},~{$ac3lo},~{$1}"
}