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Mail Archives: djgpp/1995/01/14/04:40:13

Date: Sat, 14 Jan 1995 10:16:00 +0100
From: gbm AT ii DOT pw DOT edu DOT pl (Grzegorz B. Mazur)
To: dj AT stealth DOT ctron DOT com, djgpp AT sun DOT soe DOT clarkson DOT edu
Subject: Re: gcc = gcc -O2 ?

How about making -O1 the default?
-O0 produces really dirty code with many ping-pong like moves. -O1 removes
this kind of inefficiences. Seems like -O1 is basic peephole optimization
that should not be harmful to any optimization-sensitive code.

Gregory

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