| ... | ... | @@ -271,11 +271,10 @@ pub fn float(r: Random, comptime T: type) T { |
| 271 | 271 | const rand = r.int(u64); |
| 272 | 272 | var rand_lz = @clz(rand); |
| 273 | 273 | if (rand_lz >= 41) { |
| 274 | | // TODO: when #5177 or #489 is implemented, |
| 275 | | // tell the compiler it is unlikely (1/2^41) to reach this point. |
| 276 | | // (Same for the if branch and the f64 calculations below.) |
| 274 | @branchHint(.unlikely); |
| 277 | 275 | rand_lz = 41 + @clz(r.int(u64)); |
| 278 | 276 | if (rand_lz == 41 + 64) { |
| 277 | @branchHint(.unlikely); |
| 279 | 278 | // It is astronomically unlikely to reach this point. |
| 280 | 279 | rand_lz += @clz(r.int(u32) | 0x7FF); |
| 281 | 280 | } |
| ... | ... | @@ -297,6 +296,7 @@ pub fn float(r: Random, comptime T: type) T { |
| 297 | 296 | const addl_rand_lz = @clz(r.int(u64)); |
| 298 | 297 | rand_lz += addl_rand_lz; |
| 299 | 298 | if (addl_rand_lz != 64) { |
| 299 | @branchHint(.likely); |
| 300 | 300 | break; |
| 301 | 301 | } |
| 302 | 302 | if (rand_lz >= 1022) { |
David Rubin <david@vortan.dev> 2024-12-12 18:23:48-08:00
Alex Rønne Petersen <alex@alexrp.com> 2024-12-13 13:24:38+01:00
lib