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      1 
      2 #include <stdio.h>
      3 #include <stdlib.h>
      4 
      5 void do_fld1 ( void* p )
      6 {
      7    asm __volatile__("fninit");
      8    asm __volatile__("fld1");
      9    asm __volatile__("fstpl (%0)" : : "r" (p) : "memory" );
     10 }
     11 
     12 void do_fldl2t ( void* p )
     13 {
     14    asm __volatile__("fninit");
     15    asm __volatile__("fldl2t");
     16    asm __volatile__("fstpl (%0)" : : "r" (p) : "memory" );
     17 }
     18 
     19 void do_fldl2e ( void* p )
     20 {
     21    asm __volatile__("fninit");
     22    asm __volatile__("fldl2e");
     23    asm __volatile__("fstpl (%0)" : : "r" (p) : "memory" );
     24 }
     25 
     26 void do_fldpi ( void* p )
     27 {
     28    asm __volatile__("fninit");
     29    asm __volatile__("fldpi");
     30    asm __volatile__("fstpl (%0)" : : "r" (p) : "memory" );
     31 }
     32 
     33 void do_fldlg2 ( void* p )
     34 {
     35    asm __volatile__("fninit");
     36    asm __volatile__("fldlg2");
     37    asm __volatile__("fstpl (%0)" : : "r" (p) : "memory" );
     38 }
     39 
     40 void do_fldln2 ( void* p )
     41 {
     42    asm __volatile__("fninit");
     43    asm __volatile__("fldln2");
     44    asm __volatile__("fstpl (%0)" : : "r" (p) : "memory" );
     45 }
     46 
     47 void do_fldz ( void* p )
     48 {
     49    asm __volatile__("fninit");
     50    asm __volatile__("fldz");
     51    asm __volatile__("fstpl (%0)" : : "r" (p) : "memory" );
     52 }
     53 
     54 typedef  unsigned char  UChar;
     55 
     56 void foo ( void (*f)(void*), char* name )
     57 {
     58   int i;
     59   UChar* b = malloc(8);
     60   f(b);
     61   printf("%s IRConst_F64i(0x", name);
     62   for (i = 7; i >= 0; i--)
     63     printf("%02x", (int)b[i]);
     64   printf(")\n");
     65 }
     66 
     67 int main ( void )
     68 {
     69   foo( do_fld1,   "fld1  ");
     70   foo( do_fldl2t, "fldl2t");
     71   foo( do_fldl2e, "fldl2e");
     72   foo( do_fldpi,  "fldpi ");
     73   foo( do_fldlg2, "fldlg2");
     74   foo( do_fldln2, "fldln2");
     75   foo( do_fldz,   "fldz  ");
     76   return 0;
     77 }
     78