clang/test/CodeGen/PowerPC/inline-asm-matching-ppc-vsx.c

   1 // REQUIRES: powerpc-registered-target
   2
   3 // RUN: %clang_cc1 -triple powerpc64le-unknown-linux-gnu -target-feature +vsx \
   4 // RUN:   -target-cpu pwr9 -emit-llvm %s -o - | FileCheck %s
   5 // RUN: %clang_cc1 -triple powerpc64-unknown-linux-gnu -target-feature +vsx \
   6 // RUN:   -target-cpu pwr9 -emit-llvm %s -o - | FileCheck %s
   7 // RUN: %clang_cc1 -triple powerpc64-ibm-aix -target-feature +vsx \
   8 // RUN:   -target-cpu pwr9 -emit-llvm %s -o - | FileCheck %s
   9 // RUN: %clang_cc1 -triple powerpc-ibm-aix -target-feature +vsx \
  10 // RUN:   -target-cpu pwr9 -emit-llvm %s -o - | FileCheck %s
  11
  12 // This case is to test VSX register support in the clobbers list for inline asm.
  13 void testVSX (void) {
  14   unsigned int a = 0;
  15   unsigned int *dbell=&a;
  16   int d;
  17   __asm__ __volatile__ (
  18     "lxvw4x  32, 0, %2\n\t"
  19     "stxvw4x 32, 0, %1"
  20     : "=m"(*(volatile unsigned int*)(dbell))
  21     : "r" (dbell), "r" (&d)
  22     : "vs32"
  23   );
  24 }
  25
  26 // CHECK: call void asm sideeffect "lxvw4x  32, 0, $2\0A\09stxvw4x 32, 0, $1", "=*m,r,r,~{vs32}"