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simulator: Cache key value in stack instrumentation

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Just make sure that we read the value only once, as it's possibly
written by another thread, so it's better to have a single value in
the instrumentation.

Signed-off-by: Christophe de Dinechin <christophe@dinechin.org>
This commit is contained in:
Christophe de Dinechin 2024-03-21 22:40:08 +01:00
parent fcea67bdd6
commit 3aca2e871b
1 changed files with 10 additions and 5 deletions
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15
src/stack.cc
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@ -130,6 +130,7 @@ void stack::draw_stack()
{
graph = obj->graph(g);
} while (!graph && Settings.AutoScaleStack() && g.reduce_font());
if (graph)
{
size gh = graph->height();
@ -140,15 +141,17 @@ void stack::draw_stack()
#ifdef SIMULATOR
if (level == 0)
{
extern int last_key;
bool ml = (level ? Settings.MultiLineStack()
: Settings.MultiLineResult());
renderer r(nullptr, ~0U, true, ml);
size_t len = obj->render(r);
utf8 out = r.text();
output(last_key, obj->type(), out, len);
int key = last_key;
output(key, obj->type(), out, len);
record(tests,
"Key %d X-reg %+s size %u %s",
last_key, object::name(obj->type()), len, out);
key, object::name(obj->type()), len, out);
}
#endif // SIMULATOR
}
@ -177,10 +180,12 @@ void stack::draw_stack()
#ifdef SIMULATOR
if (level == 0)
{
output(last_key, obj->type(), out, len);
extern int last_key;
int key = last_key;
output(key, obj->type(), out, len);
record(tests,
"Key %d X-reg %+s size %u %s",
last_key, object::name(obj->type()), len, out);
"Stack key %d X-reg %+s size %u %s",
key, object::name(obj->type()), len, out);
}
#endif
w = font->width(out, len);