--- Comment #4 from steven at gcc dot gnu dot org 2007-05-25 20:35 ---
Something in the backward pass increases the register pressure, inducing extra
spills. Not much can be done about this except for tuning the transformations
involved.
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steven at gcc dot gnu dot org changed:
--- Comment #3 from steven at gcc dot gnu dot org 2007-04-04 12:12 ---
I want to understand this better, so I'll investigate this.
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steven at gcc dot gnu dot org changed:
What|Removed |Added
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--- Comment #2 from pinskia at gcc dot gnu dot org 2006-12-24 16:32 ---
The only thing regmove does is makes the RA work harder as it make the life
range of the psedu registers longer.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30287
