gcc/testsuite/gcc.target/powerpc/pr84154-1.c

   1 /* { dg-do compile { target { powerpc*-*-* } } } */
   2 /* { dg-skip-if "" { powerpc*-*-darwin* } } */
   3 /* { dg-options "-mvsx -O2" } */
   4 /* { dg-additional-options "-mdejagnu-cpu=power8" { target { ! has_arch_pwr8 } } } */
   5 /* { dg-require-effective-target powerpc_vsx } */
   6
   7 /* PR target/84154.  Make sure conversion to char/short does not generate a
   8    store and a load on ISA 2.07 and newer systems.  */
   9
  10 unsigned char
  11 double_to_uc (double x)
  12 {
  13   return x;
  14 }
  15
  16 signed char
  17 double_to_sc (double x)
  18 {
  19   return x;
  20 }
  21
  22 unsigned short
  23 double_to_us (double x)
  24 {
  25   return x;
  26 }
  27
  28 short
  29 double_to_ss (double x)
  30 {
  31   return x;
  32 }
  33
  34 unsigned int
  35 double_to_ui (double x)
  36 {
  37   return x;
  38 }
  39
  40 int
  41 double_to_si (double x)
  42 {
  43   return x;
  44 }
  45
  46 /* { dg-final { scan-assembler-times {\mextsb\M}                  1 } } */
  47 /* { dg-final { scan-assembler-times {\mextsh\M}                  1 } } */
  48 /* { dg-final { scan-assembler-times {\mfctiwuz\M|\mxscvdpuxws\M} 3 } } */
  49 /* { dg-final { scan-assembler-times {\mfctiwz\M|\mxscvdpsxws\M}  3 } } */
  50 /* { dg-final { scan-assembler-times {\mmfvsrwz\M}                6 } } */
  51 /* { dg-final { scan-assembler-times {\mrlwinm\M}                 2 } } */
  52 /* { dg-final { scan-assembler-not   {\mlbz\M}                      } } */
  53 /* { dg-final { scan-assembler-not   {\mlhz\M}                      } } */
  54 /* { dg-final { scan-assembler-not   {\mlha\M}                      } } */
  55 /* { dg-final { scan-assembler-not   {\mmfvsrd\M}                   } } */
  56 /* { dg-final { scan-assembler-not   {\mstw\M}                      } } */