gcc-4_9/gcc/testsuite/gcc.target/mips/call-clobbered-4.c

   1 /* Check that we handle call-clobbered FPRs correctly.
   2    This test differs from call-clobbered-3.c because when optimising for size
   3    a callee-saved GPR is used for 'b' to cross the call.  */
   4 /* { dg-skip-if "code quality test" { *-*-* } { "*" } { "-Os" } } */
   5 /* { dg-options "-mabi=32 -modd-spreg -mfpxx -ffixed-f0 -ffixed-f1 -ffixed-f2 -ffixed-f3 -ffixed-f4 -ffixed-f5 -ffixed-f6 -ffixed-f7 -ffixed-f8 -ffixed-f9 -ffixed-f10 -ffixed-f11 -ffixed-f12 -ffixed-f13 -ffixed-f14 -ffixed-f15 -ffixed-f16 -ffixed-f17 -ffixed-f18 -ffixed-f19 -ffixed-f20 -ffixed-f22 -ffixed-f24 -ffixed-f26 -ffixed-f28 -ffixed-f30" } */
   6
   7 void bar (void);
   8 float a;
   9 float
  10 foo ()
  11 {
  12   float b = a + 1.0f;
  13   bar();
  14   return b;
  15 }
  16 /* { dg-final { scan-assembler-times "lwc1" 4 } } */
  17 /* { dg-final { scan-assembler-times "swc1" 2 } } */
  18 /* { dg-final { scan-assembler-times "mtc" 1 } } */
  19 /* { dg-final { scan-assembler-times "mfc" 1 } } */
  20 /* { dg-final { scan-assembler-not "mthc" } } */
  21 /* { dg-final { scan-assembler-not "mfhc" } } */
  22 /* { dg-final { scan-assembler-not "ldc1" } } */
  23 /* { dg-final { scan-assembler-not "sdc1" } } */