http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40171
Dzianis Kahanovich mahatma at eu dot by changed:
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Attachment #22444|0 |1
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40171
Dzianis Kahanovich mahatma at eu dot by changed:
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Attachment #22434|0 |1
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40171
--- Comment #6 from Dzianis Kahanovich mahatma at eu dot by 2010-11-17
19:15:10 UTC ---
Created attachment 22434
-- http://gcc.gnu.org/bugzilla/attachment.cgi?id=22434
atune.patch
Yes, I read maillist archives. But I don't know current state
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40171
Dzianis Kahanovich mahatma at eu dot by changed:
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CC||mahatma at eu
--- Comment #4 from vvv at ru dot ru 2009-05-25 19:54 ---
(In reply to comment #2)
This is very odd? What is the assembler doing that the compiler isn't?
There are exist some optimizations impossible without exact knowledge of
address and opcodes,
One example avoiding of branch
--- Comment #1 from rguenth at gcc dot gnu dot org 2009-05-24 21:17 ---
Confirmed. But properly supporting this is a bit of a hassle because we need
to
support assemblers other than GNU as.
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rguenth at gcc dot gnu dot org changed:
What|Removed
--- Comment #2 from sabre at nondot dot org 2009-05-25 00:46 ---
This is very odd? What is the assembler doing that the compiler isn't?
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sabre at nondot dot org changed:
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--- Comment #3 from pinskia at gcc dot gnu dot org 2009-05-25 00:55 ---
(In reply to comment #2)
This is very odd? What is the assembler doing that the compiler isn't?
different processors have better nops for different sizes.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40171
