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FFI: Disable MUL => BSHL FOLD rule on 32 bit.

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Mike Pall 2011-02-03 20:10:13 +01:00
parent df65b8b419
commit 1abf5d4d26
1 changed files with 3 additions and 0 deletions
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3
src/lj_opt_fold.c
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@ -1049,8 +1049,11 @@ LJFOLDF(simplify_intmul_k64)
{
if (ir_kint64(fright)->u64 == 0) /* i * 0 ==> 0 */
return INT64FOLD(0);
#if LJ_64
/* NYI: SPLIT for BSHL and 32 bit backend support. */
else if (ir_kint64(fright)->u64 < 0x80000000u)
return simplify_intmul_k(J, (int32_t)ir_kint64(fright)->u64);
#endif
return NEXTFOLD;
}