| commit | 08b0b23be639b955e5e3d84dc42fa4e5ce6a8728 | |
| author | Aurelien Jarno <aurelien@aurel32.net> | |
| Sun, 19 Jul 2015 11:50:32 +0000 (19 13:50 +0200) | ||
| committer | Richard Henderson <rth@twiddle.net> | |
| Wed, 2 Sep 2015 21:24:10 +0000 (2 14:24 -0700) | ||
| tree | e81115863262036672d3c2e2d45b1a74d6982b1c | treesnapshot (tar.gz zip) |
| parent | 352bcb0a2b816ff9ab9d75d0f2384650d9e9ab19 | commitdiff |
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>
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>
| tcg/i386/tcg-target.c | diffblobblamehistory |