gcc/testsuite/gcc.target/riscv/synthesis-4.c

/* { dg-do compile } */
/* { dg-require-effective-target rv64 } */
/* We aggressively skip as we really just need to test the basic synthesis
   which shouldn't vary based on the optimization level.  -O1 seems to work
   and eliminates the usual sources of extraneous dead code that would throw
   off the counts.  */
/* { dg-skip-if "" { *-*-* } { "-O0" "-Og" "-O2" "-O3" "-Os" "-Oz" "-flto" } } */
/* { dg-options "-march=rv64gc_zba_zbb_zbs" } */

/* Rather than test for a specific synthesis of all these constants or
   having thousands of tests each testing one variant, we just test the
   total number of instructions. 

   This isn't expected to change much and any change is worthy of a look.  */
/* { dg-final { scan-assembler-times "\\t(add|addi|bseti|li|ret|sh1add|sh2add|sh3add|slli)" 45 } } */


unsigned long foo_0x60000400000800(void) { return 0x60000400000800UL; }

unsigned long foo_0xc0000400000800(void) { return 0xc0000400000800UL; }

unsigned long foo_0x180000400000800(void) { return 0x180000400000800UL; }

unsigned long foo_0x300000400000800(void) { return 0x300000400000800UL; }

unsigned long foo_0x600000400000800(void) { return 0x600000400000800UL; }

unsigned long foo_0xc00000400000800(void) { return 0xc00000400000800UL; }

unsigned long foo_0x1800000400000800(void) { return 0x1800000400000800UL; }

unsigned long foo_0x3000000400000800(void) { return 0x3000000400000800UL; }

unsigned long foo_0x6000000400000800(void) { return 0x6000000400000800UL; }