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From: | Richard Henderson |
Subject: | Re: [Qemu-devel] [PATCH RFC 4/9] tcg/optimize: add optimizations for ext_i32_i64 and extu_i32_i64 ops |
Date: | Fri, 17 Jul 2015 07:23:58 +0100 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.0.1 |
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<address@hidden> Cc: Richard Henderson<address@hidden> Signed-off-by: Aurelien Jarno<address@hidden> --- tcg/optimize.c | 10 ++++++++++ 1 file changed, 10 insertions(+)
Reviewed-by: Richard Henderson <address@hidden> r~
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