tcg: Record register preferences during liveness
commit25f49c5f1508ddf081ce89fa6bbfd87a51eea37b
authorRichard Henderson <richard.henderson@linaro.org>
Tue, 27 Nov 2018 20:45:26 +0000 (27 12:45 -0800)
committerRichard Henderson <richard.henderson@linaro.org>
Tue, 25 Dec 2018 19:58:35 +0000 (26 06:58 +1100)
treee89c8616b54f8c6dbe083edfcd113c811183f9ef
parentae36a246ed1a0e96c6c4f478f03d047dfa3a8898
tcg: Record register preferences during liveness

With these preferences, we can arrange for function call arguments to
be computed into the proper registers instead of requiring extra moves.

Reviewed-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
tcg/tcg.c