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really_inline more things

This commit is contained in:
John Keiser 2020-07-16 13:56:29 -07:00
parent bf67c967d6
commit a456d78fe0
1 changed files with 3 additions and 18 deletions
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21
src/generic/stage2/jsoncharutils.h
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@ -49,7 +49,7 @@ static inline uint32_t hex_to_u32_nocheck(
// //
// Note: we assume that surrogates are treated separately // Note: we assume that surrogates are treated separately
// //
inline size_t codepoint_to_utf8(uint32_t cp, uint8_t *c) { really_inline size_t codepoint_to_utf8(uint32_t cp, uint8_t *c) {
if (cp <= 0x7F) { if (cp <= 0x7F) {
c[0] = uint8_t(cp); c[0] = uint8_t(cp);
return 1; // ascii return 1; // ascii
@ -78,28 +78,13 @@ inline size_t codepoint_to_utf8(uint32_t cp, uint8_t *c) {
return 0; // bad r return 0; // bad r
} }
////
// The following code is used in number parsing. It is not
// properly "char utils" stuff, but we move it here so that
// it does not get copied multiple times in the binaries (once
// per instruction set).
///
constexpr int FASTFLOAT_SMALLEST_POWER = -325;
constexpr int FASTFLOAT_LARGEST_POWER = 308;
struct value128 {
uint64_t low;
uint64_t high;
};
#ifdef SIMDJSON_IS_32BITS // _umul128 for x86, arm #ifdef SIMDJSON_IS_32BITS // _umul128 for x86, arm
// this is a slow emulation routine for 32-bit // this is a slow emulation routine for 32-bit
// //
static inline uint64_t __emulu(uint32_t x, uint32_t y) { static really_inline uint64_t __emulu(uint32_t x, uint32_t y) {
return x * (uint64_t)y; return x * (uint64_t)y;
} }
static inline uint64_t _umul128(uint64_t ab, uint64_t cd, uint64_t *hi) { static really_inline uint64_t _umul128(uint64_t ab, uint64_t cd, uint64_t *hi) {
uint64_t ad = __emulu((uint32_t)(ab >> 32), (uint32_t)cd); uint64_t ad = __emulu((uint32_t)(ab >> 32), (uint32_t)cd);
uint64_t bd = __emulu((uint32_t)ab, (uint32_t)cd); uint64_t bd = __emulu((uint32_t)ab, (uint32_t)cd);
uint64_t adbc = ad + __emulu((uint32_t)ab, (uint32_t)(cd >> 32)); uint64_t adbc = ad + __emulu((uint32_t)ab, (uint32_t)(cd >> 32));