gcc/testsuite/gcc.target/i386/fuse-caller-save-xmm.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target nonpic } */
   3 /* { dg-options "-O2 -msse2 -mno-avx -fipa-ra -fomit-frame-pointer" } */
   4
   5 typedef double v2df __attribute__((vector_size (16)));
   6
   7 static v2df __attribute__((noinline))
   8 bar (v2df a)
   9 {
  10   return a + (v2df){ 3.0, 3.0 };
  11 }
  12
  13 v2df __attribute__((noinline))
  14 foo (v2df y)
  15 {
  16   return y + bar (y);
  17 }
  18
  19 /* Check presence of all insns on xmm registers.  These checks are expected to
  20    pass with both -fipa-ra and -fno-ipa-ra.  */
  21 /* { dg-final { scan-assembler-times "addpd\t\\.?LC0.*, %xmm0" 1 } } */
  22 /* { dg-final { scan-assembler-times "addpd\t%xmm1, %xmm0" 1 } } */
  23 /* { dg-final { scan-assembler-times "movapd\t%xmm0, %xmm1" 1 } } */
  24
  25 /* Check absence of save/restore of xmm1 register.  */
  26 /* { dg-final { scan-assembler-not "movaps\t%xmm1, \\(%\[re\]?sp\\)" } } */
  27 /* { dg-final { scan-assembler-not "movapd\t\\(%\[re\]?sp\\), %xmm1" } } */