Files · 172890a2ddc7b280146cb88c9daab2f70b460f4a · lvzhengyang / riscv-gcc-1

gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV. · 172890a2

	* gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
	Don't CSE a nop.
	(hash_scan_insn): Clean up calls to hash_scan_set.
	(compute_kill_rd): REGNO now unsigned.
	(try_replace_reg): Rework to use simplify_replace_rtx.
	(cprop_jump, cprop_cc0_jump): Likewise.
	(cprop_insn): Call find_reg_equal_equiv_note.
	Reflect changes to cprop_jump and cprop_cc0_jump.

From-SVN: r39774

committed 24 years ago

172890a2

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