clang/test/CodeGen/X86/x86-64-inline-asm.c

   1 // REQUIRES: x86-registered-target
   2 // RUN: %clang_cc1 -triple x86_64 %s -S -o /dev/null -DWARN -verify
   3 // RUN: %clang_cc1 -triple x86_64 %s -S -o /dev/null -Werror -verify
   4 // RUN: %clang_cc1 -triple x86_64-linux-gnu %s -S -o - | FileCheck %s
   5 void f(void) {
   6   asm("movaps %xmm3, (%esi, 2)");
   7 // expected-note@1 {{instantiated into assembly here}}
   8 #ifdef WARN
   9 // expected-warning@-3 {{scale factor without index register is ignored}}
  10 #else
  11 // expected-error@-5 {{scale factor without index register is ignored}}
  12 #endif
  13 }
  14
  15 static unsigned var[1] = {};
  16 void g(void) { asm volatile("movd %%xmm0, %0"
  17                             :
  18                             : "m"(var)); }
  19
  20 void pr40890(void) {
  21   struct s {
  22     int a, b;
  23   } s;
  24   __asm__ __volatile__("\n#define S_A abcd%0\n" : : "n"(&((struct s*)0)->a));
  25   __asm__ __volatile__("\n#define S_B abcd%0\n" : : "n"(&((struct s*)0)->b));
  26   __asm__ __volatile__("\n#define BEEF abcd%0\n" : : "n"((int*)0xdeadbeeeeeef));
  27   __asm__ __volatile__("movabsq %0, %%rax" : : "n"(4624529908474429119));
  28
  29 // CHECK-LABEL: pr40890
  30 // CHECK: #define S_A abcd$0
  31 // CHECK: #define S_B abcd$4
  32 // CHECK: #define BEEF abcd$244837814038255
  33 // CHECK: movabsq $4624529908474429119, %rax
  34 }