hppa-O1/vfprintf.i.2

   1 static inline void
   2     __attribute__ ((always_inline)) __lll_mutex_lock(int * futex)
   3 {
   4         if (( {
   5              int ret; ret = ( {
   6               volatile int lws_errno = 14;
   7 volatile int lws_ret = 0xdeadbeef;
   8 asm volatile ("0:                                       \n\t"
   9  "copy  %3, %%r26                       \n\t"
  10  "copy  %4, %%r25                       \n\t"
  11  "copy  %5, %%r24                       \n\t"
  12  "ble   " "0xb0" "(%%sr2, %%r0)         \n\t"
  13  "ldi   " "0" ", %%r20          \n\t"
  14  "cmpib,=,n " "11" ",%%r21,0b   \n\t"
  15  "nop                                   \n\t"
  16  "stw   %%r28, %0                       \n\t"
  17  "sub   %%r0, %%r21, %%r21              \n\t"
  18  "stw   %%r21, %1                       \n\t"
  19 : "=m" (lws_ret), "=m"(lws_errno), "=m"(*futex)
  20 : "r"(futex), "r"(0), "r"(1)
  21 :"r1", "r26", "r25", "r24", "r23", "r22", "r21", "r20", "r28", "r31", "memory");
  22 lws_ret;}
  23              );}
  24             ))
  25                 __lll_lock_wait(futex);
  26 }
  27 typedef struct {
  28         char *_IO_write_end;
  29         int lock;
  30 } _IO_FILE;
  31 __attribute__ ((__nothrow__)) __attribute__ ((noinline))
  32 static int buffered_vfprintf(register _IO_FILE *s)
  33 {
  34         char buf[8192];
  35         register _IO_FILE *hp;
  36         hp->_IO_write_end = buf;
  37         __lll_mutex_lock(&s->lock);
  38 }
  39 void foo(_IO_FILE *s)
  40 {
  41 buffered_vfprintf(s);
  42 }