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tcg: Add is_unsigned_cond

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Before we rearrange the TCG_COND enumeration, add a predicate for
the (single) use of comparisons vs TCGCond.

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 14:21:39 -07:00 committed by Aurelien Jarno
parent 457ebdcd91
commit bcc66562ad
2 changed files with 6 additions and 1 deletions
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2
tcg/s390/tcg-target.c
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@ -1113,7 +1113,7 @@ static void tgen64_xori(TCGContext *s, TCGReg dest, tcg_target_ulong val)
static int tgen_cmp(TCGContext *s, TCGType type, TCGCond c, TCGReg r1,
TCGArg c2, int c2const)
{
bool is_unsigned = (c > TCG_COND_GT);
bool is_unsigned = is_unsigned_cond(c);
if (c2const) {
if (c2 == 0) {
if (type == TCG_TYPE_I32) {

5
tcg/tcg.h
View File

@ -298,6 +298,11 @@ static inline TCGCond tcg_unsigned_cond(TCGCond c)
return (c >= TCG_COND_LT && c <= TCG_COND_GT ? c + 4 : c);
}
static inline bool is_unsigned_cond(TCGCond c)
{
return c >= TCG_COND_LTU;
}
#define TEMP_VAL_DEAD 0
#define TEMP_VAL_REG 1
#define TEMP_VAL_MEM 2