Aurelien Jarno
8bcb5c8f34
tcg/optimize: add optimizations for ext_i32_i64 and extu_i32_i64 ops
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. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Richard Henderson <rth@twiddle.net>
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Read the documentation in qemu-doc.html or on http://wiki.qemu-project.org - QEMU team
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