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authorDamien George <damien.p.george@gmail.com>2015-03-14 13:11:35 +0000
committerDamien George <damien.p.george@gmail.com>2015-03-14 13:11:35 +0000
commit42e0c593084784cb0b630d99b8361bc88abadb78 (patch)
tree77fbdc4ec51705f0e29e07b050b520a0e27f13f2 /py/mpconfig.h
parenta77ffe66b23fe0f367af3dd64ae94b56fbf947d3 (diff)
py: Add MICROPY_COMP_{DOUBLE,TRIPLE}_TUPLE_ASSIGN config options.
These allow to fine-tune the compiler to select whether it optimises tuple assignments of the form a, b = c, d and a, b, c = d, e, f. Sensible defaults are provided.
Diffstat (limited to 'py/mpconfig.h')
-rw-r--r--py/mpconfig.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/py/mpconfig.h b/py/mpconfig.h
index bfa412167..aac3ade08 100644
--- a/py/mpconfig.h
+++ b/py/mpconfig.h
@@ -175,6 +175,18 @@
#define MICROPY_COMP_CONST (1)
#endif
+// Whether to enable optimisation of: a, b = c, d
+// Costs 124 bytes (Thumb2)
+#ifndef MICROPY_COMP_DOUBLE_TUPLE_ASSIGN
+#define MICROPY_COMP_DOUBLE_TUPLE_ASSIGN (1)
+#endif
+
+// Whether to enable optimisation of: a, b, c = d, e, f
+// Cost 156 bytes (Thumb2)
+#ifndef MICROPY_COMP_TRIPLE_TUPLE_ASSIGN
+#define MICROPY_COMP_TRIPLE_TUPLE_ASSIGN (0)
+#endif
+
/*****************************************************************************/
/* Internal debugging stuff */