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Remove the use of htonl() in the previous check-in due to linkage issues.

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Add the get2byteAligned() macro and use it for access to the cell offsets
on btree pages for about a 1% performance gain.

FossilOrigin-Name: 79ff36b7170c9e7e7a9935c8b9d1665867771087
This commit is contained in:
drh
2015-06-30 13:28:18 +00:00
parent 5372e4d4f9
commit 329428e208
5 changed files with 29 additions and 23 deletions
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7
src/util.c
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@@ -1082,10 +1082,6 @@ u32 sqlite3Get4byte(const u8 *p){
u32 x;
memcpy(&x,p,4);
return x;
#elif defined(_MSC_VER)
u32 x;
memcpy(&x,p,4);
return htonl(x);
#elif SQLITE_BYTEORDER==1234 && defined(__GNUC__)
u32 x;
memcpy(&x,p,4);
@@ -1098,9 +1094,6 @@ u32 sqlite3Get4byte(const u8 *p){
void sqlite3Put4byte(unsigned char *p, u32 v){
#if SQLITE_BYTEORDER==4321
memcpy(p,&v,4);
#elif defined(_MSC_VER)
u32 x = htonl(v);
memcpy(&x,p,4);
#elif SQLITE_BYTEORDER==1234 && defined(__GNUC__)
u32 x = __builtin_bswap32(v);
memcpy(p,&x,4);