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[Bug rtl-optimization/17972] const/pure functions result in bad asm
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 13 Oct 2004 14:51:36 -0000
- Subject: [Bug rtl-optimization/17972] const/pure functions result in bad asm
- References: <20041013124723.17972.mostrows@watson.ibm.com>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From pinskia at gcc dot gnu dot org 2004-10-13 14:51 -------
What do you think is wrong, attach the difference. Also const/pure functions can changed so that they
are only called once. And since they are pure (or is it const) is known not to access memory, the
barrier:
__asm__ __volatile__("": : :"memory");
does not make a difference.
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What |Removed |Added
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Component|c++ |rtl-optimization
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17972