| /* Origin: PR target/11693 from Andreas Schwab <schwab@suse.de> */ |
| /* { dg-do compile } */ |
| /* { dg-options "-O2 -frename-registers" } */ |
| |
| static inline unsigned long long |
| foo (void) |
| { |
| unsigned long long x; |
| __asm__ __volatile__ ("" : "=r" (x) :: "memory"); |
| return x; |
| } |
| |
| static inline void |
| bar (unsigned long long x, unsigned long long y) |
| { |
| __asm__ __volatile__ ("" :: "r"(x), "r"(y) : "memory"); |
| } |
| |
| static inline void |
| baz (unsigned long long x, unsigned long long y, unsigned long long z, |
| unsigned long long p, unsigned long long q) |
| { |
| __asm__ __volatile__ ("" :: "r" (q << 2) : "memory"); |
| __asm__ __volatile__ ("" :: "r" (z) : "memory"); |
| if (x & 0x1) |
| __asm__ __volatile__ ("" :: "r" (y), "r" (p) : "memory"); |
| if (x & 0x2) |
| __asm__ __volatile__ ("" :: "r" (y), "r" (p) : "memory"); |
| } |
| |
| static inline unsigned long long |
| ffz (unsigned long long x) |
| { |
| unsigned long long r; |
| __asm__ ("" : "=r" (r) : "r" (x & (~x - 1))); |
| return r; |
| } |
| |
| void die (const char *, ...) __attribute__ ((noreturn)); |
| |
| void |
| test (void *x) |
| { |
| unsigned long long a, c; |
| |
| a = foo (); |
| bar (0xc000000000000000LL, 0x660); |
| bar (0xa00000000000c000LL, 0x539); |
| baz (2, 1, 0xa000000000008000LL, |
| ({ unsigned long long b; |
| b = ({ unsigned long long d; __asm__ ("" : "=r" (d) : "r" (x)); d; }) |
| + 0x10000000000661LL; |
| b; |
| }), |
| 14); |
| c = ffz (0x1fffffffffffffffLL); |
| if (c < 51 || c > 61) |
| die ("die", c - 1); |
| } |
