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FFI: Fix 64 bit shift fold rules.

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Thanks to Peter Cawley. #1079
This commit is contained in:
Mike Pall 2023-09-11 21:06:25 +02:00
parent 1c33f46314
commit 9e0437240f
1 changed files with 4 additions and 4 deletions
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8
src/lj_opt_fold.c
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@ -377,10 +377,10 @@ static uint64_t kfold_int64arith(jit_State *J, uint64_t k1, uint64_t k2,
case IR_BOR: k1 |= k2; break;
case IR_BXOR: k1 ^= k2; break;
case IR_BSHL: k1 <<= (k2 & 63); break;
case IR_BSHR: k1 = (int32_t)((uint32_t)k1 >> (k2 & 63)); break;
case IR_BSAR: k1 >>= (k2 & 63); break;
case IR_BROL: k1 = (int32_t)lj_rol((uint32_t)k1, (k2 & 63)); break;
case IR_BROR: k1 = (int32_t)lj_ror((uint32_t)k1, (k2 & 63)); break;
case IR_BSHR: k1 >>= (k2 & 63); break;
case IR_BSAR: k1 = (uint64_t)((int64_t)k1 >> (k2 & 63)); break;
case IR_BROL: k1 = lj_rol(k1, (k2 & 63)); break;
case IR_BROR: k1 = lj_ror(k1, (k2 & 63)); break;
default: lj_assertJ(0, "bad IR op %d", op); break;
}
#else