diff options
Diffstat (limited to 'core/module-jit.c')
| -rw-r--r-- | core/module-jit.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/core/module-jit.c b/core/module-jit.c index 0254430..ae0f24c 100644 --- a/core/module-jit.c +++ b/core/module-jit.c @@ -5750,7 +5750,7 @@ static bool in_code(const PureModule *m, const PureOp *op) { } } -/* Whether a block is worth code: it has a loop, and its loops' blocks have +/* Whether a block is worth code: it has a loop and no call, and its loops' blocks have * code for every instruction. Each step a loop calls gives back what the * code keeps in registers (read again after it), and costs more than the * executor's own dispatch: a loop of steps (TPC-C's lines, 123) runs as @@ -5763,6 +5763,8 @@ static bool worth(const PureModule *m, PureBlock block) { int input = tier_input(m, block); for (uint32_t pc = block.start; pc < block.start + block.length; pc = after(&m->code[pc], pc)) { const PureOp *op = &m->code[pc]; + if (op->op == PURE_OP_CALL) return false; /* the executor's frames (module.c's run_calls) */ + if ((op->op == PURE_OP_LOCAL_LOAD || op->op == PURE_OP_LOCAL_STORE) && (op->arg >> 8 & 0xFF) == 4) return false; /* a list */ if (op->op == PURE_OP_EACH || op->op == PURE_OP_LOOP) { loops = true; uint32_t ends = pc + 1 + (op->arg >> 16); |