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py/misc: use __builtin_strcmp to enable compile-time optimization #17196

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py/misc: use __builtin_strcmp to enable compile-time optimization #17196

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2 changes: 1 addition & 1 deletion py/misc.h
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Original file line number Diff line number Diff line change
Expand Up @@ -306,7 +306,7 @@ typedef struct {
inline MP_ALWAYSINLINE const char *MP_COMPRESSED_ROM_TEXT(const char *msg) {
// "genhdr/compressed.data.h" contains an invocation of the MP_MATCH_COMPRESSED macro for each compressed string.
// The giant if(strcmp) tree is optimized by the compiler, which turns this into a direct return of the compressed data.
#define MP_MATCH_COMPRESSED(a, b) if (strcmp(msg, a) == 0) { return b; } else
#define MP_MATCH_COMPRESSED(a, b) if (__builtin_strcmp(msg, a) == 0) { return b; } else

// It also contains a single invocation of the MP_COMPRESSED_DATA macro, we don't need that here.
#define MP_COMPRESSED_DATA(x)
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