| Eric Christopher | e954425 | 2011-06-17 01:53:34 +0000 | [diff] [blame^] | 1 | // RUN: %clang_cc1 -triple armv7-apple-darwin9 -emit-llvm -w -o - %s | FileCheck %s |
| 2 | #include <stdint.h> |
| 3 | |
| 4 | #define ldrex_func(p, rl, rh) \ |
| 5 | __asm__ __volatile__( \ |
| 6 | "ldrexd%[_rl], %[_rh], [%[_p]]" \ |
| 7 | : [_rl] "=&r" (rl), [_rh] "=&r" (rh) \ |
| 8 | : [_p] "p" (p) : "memory") |
| 9 | |
| 10 | int64_t foo(int64_t v, volatile int64_t *p) |
| 11 | { |
| 12 | register uint32_t rl asm("r1"); |
| 13 | register uint32_t rh asm("r2"); |
| 14 | |
| 15 | int64_t r; |
| 16 | uint32_t t; |
| 17 | |
| 18 | __asm__ __volatile__( \ |
| 19 | "ldrexd%[_rl], %[_rh], [%[_p]]" \ |
| 20 | : [_rl] "=&r" (rl), [_rh] "=&r" (rh) \ |
| 21 | : [_p] "p" (p) : "memory"); |
| 22 | |
| 23 | // CHECK: %0 = call %0 asm sideeffect "ldrexd$0, $1, [$2]", "={r1},={r2},r,~{memory}"(i64* %tmp) |
| 24 | |
| 25 | return r; |
| 26 | } |