tree 452c0888133591fc0cf06b905e143b28bf62a573
parent e64e958e202c563730159c52f7c9116c80ceca52
author Richard Henderson <rth@twiddle.net> 1391175731 -0600
committer Richard Henderson <rth@twiddle.net> 1392653549 -0600

tcg/optimize: Add more identity simplifications

Recognize 0 operand to andc, and -1 operands to and, orc, eqv.

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>