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| author | Mike Pall <mike> | 2023-09-11 21:06:25 +0200 |
|---|---|---|
| committer | Mike Pall <mike> | 2023-09-11 21:06:25 +0200 |
| commit | 9e0437240f1fb4bfa7248f6ec8be0e3181016119 (patch) | |
| tree | b1a94cc6056ce34218a8482feb9736a42ac20d6a /src | |
| parent | 1c33f46314cc4e3cb52ac83c5b27419bc06b5154 (diff) | |
| download | luajit-9e0437240f1fb4bfa7248f6ec8be0e3181016119.tar.gz luajit-9e0437240f1fb4bfa7248f6ec8be0e3181016119.tar.bz2 luajit-9e0437240f1fb4bfa7248f6ec8be0e3181016119.zip | |
FFI: Fix 64 bit shift fold rules.
Thanks to Peter Cawley. #1079
Diffstat (limited to 'src')
| -rw-r--r-- | src/lj_opt_fold.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/lj_opt_fold.c b/src/lj_opt_fold.c index d90477f6..743dfb07 100644 --- a/src/lj_opt_fold.c +++ b/src/lj_opt_fold.c | |||
| @@ -377,10 +377,10 @@ static uint64_t kfold_int64arith(jit_State *J, uint64_t k1, uint64_t k2, | |||
| 377 | case IR_BOR: k1 |= k2; break; | 377 | case IR_BOR: k1 |= k2; break; |
| 378 | case IR_BXOR: k1 ^= k2; break; | 378 | case IR_BXOR: k1 ^= k2; break; |
| 379 | case IR_BSHL: k1 <<= (k2 & 63); break; | 379 | case IR_BSHL: k1 <<= (k2 & 63); break; |
| 380 | case IR_BSHR: k1 = (int32_t)((uint32_t)k1 >> (k2 & 63)); break; | 380 | case IR_BSHR: k1 >>= (k2 & 63); break; |
| 381 | case IR_BSAR: k1 >>= (k2 & 63); break; | 381 | case IR_BSAR: k1 = (uint64_t)((int64_t)k1 >> (k2 & 63)); break; |
| 382 | case IR_BROL: k1 = (int32_t)lj_rol((uint32_t)k1, (k2 & 63)); break; | 382 | case IR_BROL: k1 = lj_rol(k1, (k2 & 63)); break; |
| 383 | case IR_BROR: k1 = (int32_t)lj_ror((uint32_t)k1, (k2 & 63)); break; | 383 | case IR_BROR: k1 = lj_ror(k1, (k2 & 63)); break; |
| 384 | default: lj_assertJ(0, "bad IR op %d", op); break; | 384 | default: lj_assertJ(0, "bad IR op %d", op); break; |
| 385 | } | 385 | } |
| 386 | #else | 386 | #else |