| /* 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]); |
| } |
