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target-alpha: Implement rs/rc properly.

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This is a per-cpu flag; there's no need for a spinlock of any kind.

We were also failing to manipulate the flag with $31 as a target reg
and failing to clear the flag on execution of a return-from-interrupt
instruction.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Richard Henderson 2010-04-12 16:14:54 -07:00 • committed by Aurelien Jarno
parent dc96be4b97
commit ac316ca4b7
4 changed files with 23 additions and 33 deletions
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2
target-alpha/helper.h
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@ -2,8 +2,6 @@
DEF_HELPER_2(excp, void, int, int)
DEF_HELPER_FLAGS_0(load_pcc, TCG_CALL_CONST | TCG_CALL_PURE, i64)
DEF_HELPER_FLAGS_0(rc, TCG_CALL_CONST, i64)
DEF_HELPER_FLAGS_0(rs, TCG_CALL_CONST, i64)
DEF_HELPER_2(addqv, i64, i64, i64)
DEF_HELPER_2(addlv, i64, i64, i64)