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Undo branching reduction

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This commit is contained in:
Victor Zverovich
2020-06-13 18:23:52 -07:00
parent 5b8641dddf
commit 98dcc251eb
1 changed files with 7 additions and 2 deletions
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9
include/fmt/format.h
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@ -2973,9 +2973,14 @@ class format_int {
// memcpy is faster than copying character by character. // memcpy is faster than copying character by character.
memcpy(ptr, detail::data::digits + index, 2); memcpy(ptr, detail::data::digits + index, 2);
} }
if (value < 10) {
*--ptr = static_cast<char>('0' + value);
return ptr;
}
auto index = static_cast<unsigned>(value * 2); auto index = static_cast<unsigned>(value * 2);
memcpy(ptr - 2, detail::data::digits + index, 2); ptr -= 2;
return ptr - 1 - (value >= 10 ? 1 : 0); memcpy(ptr, detail::data::digits + index, 2);
return ptr;
} }
void format_signed(long long value) { void format_signed(long long value) {