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Commit fe3ce086 authored by Takayuki 'January June' Suwa's avatar Takayuki 'January June' Suwa Committed by Max Filippov
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xtensa: Add 'adddi3' and 'subdi3' insn patterns 

More optimized than the default RTL generation.

gcc/ChangeLog:

	* config/xtensa/xtensa.md (adddi3, subdi3):
	New RTL generation patterns implemented according to the instruc-
	tion idioms described in the Xtensa ISA reference manual (p. 600).
parent 3635e8c6
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