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tcg/arm: Clarify tcg_out_bx for arm4 host
authorRichard Henderson <rth@twiddle.net>
Fri, 28 Apr 2017 07:45:57 +0000 (09:45 +0200)
committerRichard Henderson <rth@twiddle.net>
Mon, 5 Jun 2017 16:25:42 +0000 (09:25 -0700)
commit702a947484eb3e615183dafc93de590ab0679f60
tree9b3807d74dfc4fd1d9c0f1e8414af21852301544tree
parent46644483cae978c734460131bb1d9071f813b287commit | diff
tcg/arm: Clarify tcg_out_bx for arm4 host

In theory this would re-enable usage of QEMU on an armv4 host.
Whether this is worthwhile is debatable -- we've been unconditionally
issuing the armv5t BX instruction in the prologue since 2011 without
complaint.  Possibly we should simply require an armv6 host.

Signed-off-by: Richard Henderson <rth@twiddle.net>
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