66 lines
2 KiB
C
66 lines
2 KiB
C
|
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm %s -o - | FileCheck %s
|
||
|
|
|
||
|
|
unsigned long long foo(unsigned long long addr, unsigned long long a0,
|
||
|
|
unsigned long long a1, unsigned long long a2,
|
||
|
|
unsigned long long a3, unsigned long long a4,
|
||
|
|
unsigned long long a5) {
|
||
|
|
register unsigned long long result asm("rax");
|
||
|
|
register unsigned long long b0 asm("rdi");
|
||
|
|
register unsigned long long b1 asm("rsi");
|
||
|
|
register unsigned long long b2 asm("rdx");
|
||
|
|
register unsigned long long b3 asm("rcx");
|
||
|
|
register unsigned long long b4 asm("r8");
|
||
|
|
register unsigned long long b5 asm("r9");
|
||
|
|
|
||
|
|
b0 = a0;
|
||
|
|
b1 = a1;
|
||
|
|
b2 = a2;
|
||
|
|
b3 = a3;
|
||
|
|
b4 = a4;
|
||
|
|
b5 = a5;
|
||
|
|
|
||
|
|
asm("call *%1" : "=r" (result)
|
||
|
|
: "r"(addr), "r" (b0), "r" (b1), "r" (b2), "r" (b3), "r" (b4), "r" (b5));
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
// CHECK: call i64 asm "call *$1", "={rax},r,{rdi},{rsi},{rdx},{rcx},{r8},{r9},~{dirflag},~{fpsr},~{flags}"
|
||
|
|
|
||
|
|
unsigned long long foo2(unsigned long long addr, double a0,
|
||
|
|
double a1, double a2,
|
||
|
|
double a3, double a4,
|
||
|
|
double a5, double a6, double a7) {
|
||
|
|
register double b0 asm("xmm0");
|
||
|
|
register double b1 asm("xmm1");
|
||
|
|
register double b2 asm("xmm2");
|
||
|
|
register double b3 asm("xmm3");
|
||
|
|
register double b4 asm("xmm4");
|
||
|
|
register double b5 asm("xmm5");
|
||
|
|
register double b6 asm("xmm6");
|
||
|
|
register double b7 asm("xmm7");
|
||
|
|
|
||
|
|
register unsigned long long result asm("rax");
|
||
|
|
|
||
|
|
b0 = a0;
|
||
|
|
b1 = a1;
|
||
|
|
b2 = a2;
|
||
|
|
b3 = a3;
|
||
|
|
b4 = a4;
|
||
|
|
b5 = a5;
|
||
|
|
b6 = a6;
|
||
|
|
b7 = a7;
|
||
|
|
|
||
|
|
asm("call *%1" : "=r" (result)
|
||
|
|
: "r"(addr), "x" (b0), "x" (b1), "x" (b2), "x" (b3), "x" (b4), "x" (b5), "x" (b6),
|
||
|
|
"x" (b7));
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
// CHECK: call i64 asm "call *$1", "={rax},r,{xmm0},{xmm1},{xmm2},{xmm3},{xmm4},{xmm5},{xmm6},{xmm7},~{dirflag},~{fpsr},~{flags}
|
||
|
|
|
||
|
|
int randomvar asm("randomvar");
|
||
|
|
void foo3() {
|
||
|
|
asm("vartest %0" : : "r"(randomvar));
|
||
|
|
}
|
||
|
|
// CHECK: call void asm sideeffect "vartest $0", "r,~{dirflag},~{fpsr},~{flags}"
|