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target-sh4: implement addv and subv using TCG

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addv and subv helpers implementation is directly copied from the SH4
manual and looks quite complex. It is however possible to explain it
without branches, and is therefore possible to implement it with TCG.

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Aurelien Jarno 2012-09-16 13:12:20 +02:00
parent 22b88fd77e
commit ad8d25a11f
3 changed files with 34 additions and 62 deletions
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2
target-sh4/helper.h
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@ -13,8 +13,6 @@ DEF_HELPER_3(movcal, void, env, i32, i32)
DEF_HELPER_1(discard_movcal_backup, void, env)
DEF_HELPER_2(ocbi, void, env, i32)
DEF_HELPER_3(addv, i32, env, i32, i32)
DEF_HELPER_3(subv, i32, env, i32, i32)
DEF_HELPER_3(div1, i32, env, i32, i32)
DEF_HELPER_3(macl, void, env, i32, i32)
DEF_HELPER_3(macw, void, env, i32, i32)