/* result of the new version inroduced in 4ad186c5ef61: t2a = 44100312 */ #include<stdio.h> int main() { int t1 = 176401255; float f = 0.25f; int t2a = (int)(t1 * f); // must be 44100313 int t2b = (int)(t1 * (float)0.25f); printf("t2a=%d t2b=%d \n",t2a,t2b); return 0; }
Showing the changes to lib (1 of 3 files). Show all
Unified · Split
| @@ -480,6 +480,20 @@ long long __ashldi3(long long a, int b) · 479 unmodified lines | ||
| 480 | 480 | #endif |
| 481 | 481 | } |
| 482 | 482 | |
| 483 | +#ifndef COMMIT_4ad186c5ef61_IS_FIXED | |
| 484 | +long long __tcc_cvt_ftol(long double x) | |
| 485 | +{ | |
| 486 | + unsigned c0, c1; | |
| 487 | + long long ret; | |
| 488 | + __asm__ __volatile__ ("fnstcw %0" : "=m" (c0)); | |
| 489 | + c1 = c0 | 0x0C00; | |
| 490 | + __asm__ __volatile__ ("fldcw %0" : : "m" (c1)); | |
| 491 | + __asm__ __volatile__ ("fistpll %0" : "=m" (ret)); | |
| 492 | + __asm__ __volatile__ ("fldcw %0" : : "m" (c0)); | |
| 493 | + return ret; | |
| 494 | +} | |
| 495 | +#endif | |
| 496 | + | |
| 483 | 497 | #endif /* !__x86_64__ */ |
| 484 | 498 | |
| 485 | 499 | /* XXX: fix tcc's code generator to do this instead */ |