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tcg: Add TCG_COND_NEVER, TCG_COND_ALWAYS

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There are several cases that can be handled easier inside both
translators and code generators if we have out-of-band values
for conditions.  It's easy enough to handle ALWAYS and NEVER in
the natural way inside the tcg middle-end.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Richard Henderson 2012-09-24 14:21:40 -07:00 • committed by Aurelien Jarno
parent bcc66562ad
commit 0aed257f08
11 changed files with 102 additions and 41 deletions
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2
tcg/ppc/tcg-target.c
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@ -437,7 +437,7 @@ enum {
CR_SO
};
static const uint32_t tcg_to_bc[10] = {
static const uint32_t tcg_to_bc[] = {
[TCG_COND_EQ] = BC | BI (7, CR_EQ) | BO_COND_TRUE,
[TCG_COND_NE] = BC | BI (7, CR_EQ) | BO_COND_FALSE,
[TCG_COND_LT] = BC | BI (7, CR_LT) | BO_COND_TRUE,