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patch 8.2.3893: Vim9: many local variables are initialized with an instruction

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Problem:    Vim9: many local variables are initialized with an instruction.
Solution:   Initialize local variables to zero to avoid the instructions.
This commit is contained in:
Bram Moolenaar
2021-12-25 18:23:24 +00:00
parent 35cfd793aa
commit 5cd647935d
7 changed files with 51 additions and 23 deletions
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14
src/vim9execute.c
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@@ -397,7 +397,12 @@ call_dfunc(
// Initialize local variables
for (idx = 0; idx < dfunc->df_varcount; ++idx)
STACK_TV_BOT(STACK_FRAME_SIZE + idx)->v_type = VAR_UNKNOWN;
{
typval_T *tv = STACK_TV_BOT(STACK_FRAME_SIZE + idx);
tv->v_type = VAR_NUMBER;
tv->vval.v_number = 0;
}
if (dfunc->df_has_closure)
{
typval_T *tv = STACK_TV_BOT(STACK_FRAME_SIZE + dfunc->df_varcount);
@@ -5002,8 +5007,13 @@ call_def_function(
dfunc_T *dfunc = ((dfunc_T *)def_functions.ga_data)
+ ufunc->uf_dfunc_idx;
// Initialize variables to zero. That avoids having to generate
// initializing instructions for "var nr: number", "var x: any", etc.
for (idx = 0; idx < dfunc->df_varcount; ++idx)
STACK_TV_VAR(idx)->v_type = VAR_UNKNOWN;
{
STACK_TV_VAR(idx)->v_type = VAR_NUMBER;
STACK_TV_VAR(idx)->vval.v_number = 0;
}
ectx.ec_stack.ga_len += dfunc->df_varcount;
if (dfunc->df_has_closure)
{