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Merge branch 'float-to-raw-optimization-v2' into integration

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# Conflicts:
#	esphome/components/api/proto.h
This commit is contained in:
J. Nick Koston
2026-04-06 14:08:50 -10:00
parent 136eabebb4 a1cc7ea861
commit 6523ed05b8
1 changed files with 5 additions and 7 deletions
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esphome/components/api/proto.h
+5 -7
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@@ -27,6 +27,8 @@ constexpr uint8_t WIRE_TYPE_MASK = 0b111; // Mask to extract wire type
// Reinterpret float bits as uint32_t without floating-point comparison.
// Used by both encode_float() and calc_float() to ensure identical zero checks.
// Uses union type-punning which is a GCC/Clang extension (not standard C++),
// but bit_cast/memcpy don't optimize to a no-op on xtensa-gcc (ESP8266).
inline uint32_t float_to_raw(float value) {
union {
float f;
@@ -456,14 +458,10 @@ class ProtoEncode {
// is needed in the future, the necessary encoding/decoding functions must be added.
static inline void encode_float(uint8_t *__restrict__ &pos PROTO_ENCODE_DEBUG_PARAM, uint32_t field_id, float value,
bool force = false) {
if (value == 0.0f && !force)
uint32_t raw = float_to_raw(value);
if (raw == 0 && !force)
return;
union {
float value;
uint32_t raw;
} val{};
val.value = value;
encode_fixed32(pos PROTO_ENCODE_DEBUG_ARG, field_id, val.raw);
encode_fixed32(pos PROTO_ENCODE_DEBUG_ARG, field_id, raw);
}
static inline void encode_int32(uint8_t *__restrict__ &pos PROTO_ENCODE_DEBUG_PARAM, uint32_t field_id, int32_t value,
bool force = false) {