Re: [Qemu-devel] [PATCH RFC 4/9] tcg/optimize: add optimizations for ext_i32_i64 and extu_i32_i64 ops

[Richard Henderson]

On 07/15/2015 12:03 PM, Aurelien Jarno wrote:

They behave the same as ext32s_i64 and ext32u_i64 from the constant
folding and zero propagation point of view, except that they can't
be replaced by a mov, so we don't compute the affected value.

Cc: Paolo Bonzini<pbonz...@redhat.com>
Cc: Richard Henderson<r...@twiddle.net>
Signed-off-by: Aurelien Jarno<aurel...@aurel32.net>
---
  tcg/optimize.c | 10 ++++++++++
  1 file changed, 10 insertions(+)

Reviewed-by: Richard Henderson <r...@twiddle.net>


r~