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James Van Artsdalen 9c530261cb (extendsidi2,zero_extendsidi2): New patterns.
(adddi3,subdi3): Don't emit code for low part if known to be zero.

From-SVN: r3187
1993-01-11 00:18:24 +00:00
gcc (extendsidi2,zero_extendsidi2): New patterns. 1993-01-11 00:18:24 +00:00