tree d17d247a76ec1d516625016848607b2886a914de
parent 3031244b01492528fd7b5e46b23eeb2124dc780a
author Aurelien Jarno <aurelien@aurel32.net> 1378189658 +0200
committer Richard Henderson <rth@twiddle.net> 1392653548 -0600

tcg/optimize: improve known-zero bits for 32-bit ops

The shl_i32 op might set some bits of the unused 32 high bits of the
mask. Fix that by clearing the unused 32 high bits for all 32-bit ops
except load/store which operate on tl values.

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