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
|
// RUN: %clang_cc1 -triple armv6-unknown-unknown -emit-llvm -o - %s | FileCheck %s
void test0(void) {
asm volatile("mov r0, r0" :: );
}
void test1(void) {
asm volatile("mov r0, r0" :::
"cc", "memory" );
}
void test2(void) {
asm volatile("mov r0, r0" :::
"r0", "r1", "r2", "r3");
asm volatile("mov r0, r0" :::
"r4", "r5", "r6", "r8");
}
void test3(void) {
asm volatile("mov r0, r0" :::
"a1", "a2", "a3", "a4");
asm volatile("mov r0, r0" :::
"v1", "v2", "v3", "v5");
}
// {} should not be treated as asm variants.
void test4(float *a, float *b) {
// CHECK: @test4
// CHECK: call void asm sideeffect "vld1.32 {d8[],d9[]},
__asm__ volatile (
"vld1.32 {d8[],d9[]}, [%1,:32] \n\t"
"vst1.32 {q4}, [%0,:128] \n\t"
:: "r"(a), "r"(b));
}
// {sp, lr, pc} are the canonical names for {r13, r14, r15}.
//
// CHECK: @test5
// CHECK: call void asm sideeffect "", "~{sp},~{lr},~{pc},~{sp},~{lr},~{pc}"()
void test5() {
__asm__("" : : : "r13", "r14", "r15", "sp", "lr", "pc");
}
|
