[Bug tree-optimization/24146] [4.0 Regression] Optimizes away FPU control word store

bonzini at gcc dot gnu dot org gcc-bugzilla@gcc.gnu.org
Fri Sep 30 14:11:00 GMT 2005


------- Additional Comments From bonzini at gcc dot gnu dot org  2005-09-30 14:10 -------
Richard Earnshaw is right; this is not a dup of PR19341.

volatile-ness is about optimizing away the asm statement itself; PR19341 is
about optimizing away code needed by the asm.

Reopening.

rth, should this be fixed in the front-end or in the gimplifier?

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                 CC|                            |rth at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24146



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