1 // RUN: %clang_cc1 -triple i386-apple-darwin9 -verify %s 2 // <rdar://problem/12415959> 3 4 typedef unsigned int u_int32_t; 5 typedef u_int32_t uint32_t; 6 7 typedef unsigned long long u_int64_t; 8 typedef u_int64_t uint64_t; 9 10 int func1() { 11 // Error out if size is > 32-bits. 12 uint32_t msr = 0x8b; 13 uint64_t val = 0; 14 __asm__ volatile("wrmsr" 15 : 16 : "c" (msr), 17 "a" ((val & 0xFFFFFFFFUL)), // expected-error {{invalid input size for constraint 'a'}} 18 "d" (((val >> 32) & 0xFFFFFFFFUL))); 19 20 // Don't error out if the size of the destination is <= 32 bits. 21 unsigned char data; 22 unsigned int port; 23 __asm__ volatile("outb %0, %w1" : : "a" (data), "Nd" (port)); // No error expected. 24 } 25
