gcc/testsuite/gcc.target/arm/pr94743-1-soft.c

   1 /* PR target/94743 */
   2 /* { dg-do compile } */
   3 /* Thumb1 mode not supported for interrupt routines.  */
   4 /* { dg-require-effective-target arm32 } */
   5 /* { dg-skip-if "do not override -mfloat-abi" { *-*-* } { "-mfloat-abi=*" } {"-mfloat-abi=soft" } } */
   6 /* { dg-options "-mfloat-abi=soft" } */
   7
   8 /* Check that we do not emit a warning when compiling an IRQ handler without
   9    -mgeneral-regs-only with -mfloat-abi=soft.  */
  10 typedef struct {
  11   double fpdata[32];
  12 } dummy_t;
  13
  14 dummy_t global_d;
  15 dummy_t global_d1;
  16
  17 /* This function may clobber VFP registers.  */
  18 __attribute__ ((interrupt("IRQ"))) void IRQ_HDLR_Test(void)
  19 {
  20   global_d.fpdata[3] += global_d.fpdata[3] * global_d1.fpdata[3];
  21 }
  22
  23 /* This function does not need to clobber VFP registers.  */
  24 __attribute__ ((interrupt("IRQ"))) void IRQ_HDLR_Test2(void)
  25 {
  26   global_d.fpdata[3] = 1.0;
  27 }