tree e81115863262036672d3c2e2d45b1a74d6982b1c
parent 352bcb0a2b816ff9ab9d75d0f2384650d9e9ab19
author Aurelien Jarno <aurelien@aurel32.net> 1437306632 +0200
committer Richard Henderson <rth@twiddle.net> 1441229050 -0700

tcg/i386: omit a few REXW prefixes in softmmu code

When computing the TLB address we are likely to mask out the high
32-bits by using shr + and. We can use 32-bit instructions in that
case. This saves 2 bytes per TLB access.

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Message-Id: <1437306632-20655-1-git-send-email-aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>