| Rafael Espindola | 0ec89f9 | 2010-12-30 22:59:32 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm %s -o - | FileCheck %s |
| 2 | |
| 3 | unsigned long long foo(unsigned long long addr, unsigned long long a0, |
| 4 | unsigned long long a1, unsigned long long a2, |
| 5 | unsigned long long a3, unsigned long long a4, |
| 6 | unsigned long long a5) { |
| 7 | register unsigned long long result asm("rax"); |
| 8 | register unsigned long long b0 asm("rdi"); |
| 9 | register unsigned long long b1 asm("rsi"); |
| 10 | register unsigned long long b2 asm("rdx"); |
| 11 | register unsigned long long b3 asm("rcx"); |
| 12 | register unsigned long long b4 asm("r8"); |
| 13 | register unsigned long long b5 asm("r9"); |
| 14 | |
| 15 | b0 = a0; |
| 16 | b1 = a1; |
| 17 | b2 = a2; |
| 18 | b3 = a3; |
| 19 | b4 = a4; |
| 20 | b5 = a5; |
| 21 | |
| 22 | asm("call *%1" : "=r" (result) |
| 23 | : "r"(addr), "r" (b0), "r" (b1), "r" (b2), "r" (b3), "r" (b4), "r" (b5)); |
| 24 | return result; |
| 25 | } |
| 26 | |
| 27 | // CHECK: call i64 asm "call *$1", "={rax},r,{rdi},{rsi},{rdx},{rcx},{r8},{r9},~{dirflag},~{fpsr},~{flags}" |
| Rafael Espindola | 33a5344 | 2011-01-02 03:59:13 +0000 | [diff] [blame] | 28 | |
| 29 | unsigned long long foo2(unsigned long long addr, double a0, |
| 30 | double a1, double a2, |
| 31 | double a3, double a4, |
| 32 | double a5, double a6, double a7) { |
| 33 | register double b0 asm("xmm0"); |
| 34 | register double b1 asm("xmm1"); |
| 35 | register double b2 asm("xmm2"); |
| 36 | register double b3 asm("xmm3"); |
| 37 | register double b4 asm("xmm4"); |
| 38 | register double b5 asm("xmm5"); |
| 39 | register double b6 asm("xmm6"); |
| 40 | register double b7 asm("xmm7"); |
| 41 | |
| 42 | register unsigned long long result asm("rax"); |
| 43 | |
| 44 | b0 = a0; |
| 45 | b1 = a1; |
| 46 | b2 = a2; |
| 47 | b3 = a3; |
| 48 | b4 = a4; |
| 49 | b5 = a5; |
| 50 | b6 = a6; |
| 51 | b7 = a7; |
| 52 | |
| 53 | asm("call *%1" : "=r" (result) |
| 54 | : "r"(addr), "x" (b0), "x" (b1), "x" (b2), "x" (b3), "x" (b4), "x" (b5), "x" (b6), |
| 55 | "x" (b7)); |
| 56 | return result; |
| 57 | } |
| 58 | |
| 59 | // CHECK: call i64 asm "call *$1", "={rax},r,{xmm0},{xmm1},{xmm2},{xmm3},{xmm4},{xmm5},{xmm6},{xmm7},~{dirflag},~{fpsr},~{flags} |
| Eli Friedman | a43ef3e | 2012-03-15 23:12:51 +0000 | [diff] [blame] | 60 | |
| 61 | int randomvar asm("randomvar"); |
| 62 | void foo3() { |
| 63 | asm("vartest %0" : : "r"(randomvar)); |
| 64 | } |
| 65 | // CHECK: call void asm sideeffect "vartest $0", "r,~{dirflag},~{fpsr},~{flags}" |