diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/20020103-1.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/20020103-1.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/20020103-1.c b/gcc/testsuite/gcc.dg/20020103-1.c new file mode 100644 index 000000000..4209486b8 --- /dev/null +++ b/gcc/testsuite/gcc.dg/20020103-1.c @@ -0,0 +1,39 @@ +/* Verify that constant equivalences get reloaded properly, either by being + spilled to the stack, or regenerated, but not dropped to memory. */ +/* { dg-do compile { target { { i?86-*-* rs6000-*-* alpha*-*-* x86_64-*-* } || { powerpc*-*-* && ilp32 } } } } */ +/* { dg-require-effective-target fpic } */ +/* { dg-options "-O2 -fpic -fno-omit-frame-pointer -fno-asynchronous-unwind-tables" } */ +/* { dg-final { scan-assembler-not "LC\[0-9\]" } } */ + +/* Clobber all call-saved registers that can hold a pointer value. */ +#if defined(__i386__) +#define clobber \ + asm volatile("#asm" : : : "si", "di") +#elif defined(__powerpc__) || defined(__PPC__) || defined(__ppc__) || defined(__POWERPC__) || defined(PPC) || defined (_IBMR2) || defined (__ppc) +#define clobber \ + asm volatile("#asm" : : : "14", "15", "16", "17", "18", "19", "20", \ + "21", "22", "23", "24", "25", "26", "27", "28", "29") +#elif defined(__alpha__) +#define clobber \ + asm volatile("#asm" : : : "$9", "$10", "$11", "$12", "$13", "$14", \ + "$f2", "$f3", "$f4", "$f5", "$f6", "$f7", "$f8", "$f9") +#elif defined(__x86_64__) +#define clobber \ + asm volatile("#asm" : : : "rcx", "rdx", "rsi", "rdi", "r8", "r9", "r10", "r11") +#else +#error no clobber macro defined +#endif + +extern void f1(int, int, int); +extern void f2(int*, int*, int*); + +extern int ext; +static int loc_small; +static int loc_big[100]; + +void bar(void) +{ + f1(ext, loc_small, loc_big[0]); + clobber; + f2(&ext, &loc_small, &loc_big[0]); +} |