| ??? 07/03/09 09:12 Read: times |
#166694 - Hand-crafted libraries Responding to: ???'s previous message |
Andy Neil said:
Christoph Franck said:
C simply doesn't know about any of these operations, so the compiler never uses the instructions. Although 'C' itself doesn't know about them, the compiler might still decide that it can use them to advantage. It may also include Libraries that use them - so your compiler output may still include these instructions! It is very common that the manufacturer supplies hand-optimized libraries with assembler code that makes use of these extra instructions. But I don't see this as compiler output. |
| Topic | Author | Date |
| c compilers | 01/01/70 00:00 | |
| Didnt get it... | 01/01/70 00:00 | |
| Why do you ask? | 01/01/70 00:00 | |
| Depends a lot on processor and compiler | 01/01/70 00:00 | |
| Other examples: | 01/01/70 00:00 | |
| Not necessarily true | 01/01/70 00:00 | |
| Hand-crafted libraries | 01/01/70 00:00 | |
| I don't see this as compiler output | 01/01/70 00:00 | |
Seemed to be quite explicit question | 01/01/70 00:00 |