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Use the CLANG_VERSION macro to control clang-specific features.

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FossilOrigin-Name: f8ebeec211483503e135104ef977b3c384a1d789
This commit is contained in:
drh
2017-01-03 20:01:24 +00:00
parent eea46aeafc
commit b94f2eccc1
5 changed files with 24 additions and 16 deletions
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10
src/util.c
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@@ -1141,7 +1141,7 @@ u32 sqlite3Get4byte(const u8 *p){
memcpy(&x,p,4);
return x;
#elif SQLITE_BYTEORDER==1234 && !defined(SQLITE_DISABLE_INTRINSIC) \
&& defined(__GNUC__) && GCC_VERSION>=4003000
&& (GCC_VERSION>=4003000 || CLANG_VERSION>=3000000)
u32 x;
memcpy(&x,p,4);
return __builtin_bswap32(x);
@@ -1159,7 +1159,7 @@ void sqlite3Put4byte(unsigned char *p, u32 v){
#if SQLITE_BYTEORDER==4321
memcpy(p,&v,4);
#elif SQLITE_BYTEORDER==1234 && !defined(SQLITE_DISABLE_INTRINSIC) \
&& defined(__GNUC__) && GCC_VERSION>=4003000
&& (GCC_VERSION>=4003000 || CLANG_VERSION>=3000000)
u32 x = __builtin_bswap32(v);
memcpy(p,&x,4);
#elif SQLITE_BYTEORDER==1234 && !defined(SQLITE_DISABLE_INTRINSIC) \
@@ -1280,7 +1280,7 @@ int sqlite3SafetyCheckSickOrOk(sqlite3 *db){
*/
int sqlite3AddInt64(i64 *pA, i64 iB){
#if !defined(SQLITE_DISABLE_INTRINSIC) \
&& defined(__GNUC__) && GCC_VERSION>=5004000
&& (GCC_VERSION>=5004000 || CLANG_VERSION>=4000000)
return __builtin_add_overflow(*pA, iB, pA);
#else
i64 iA = *pA;
@@ -1301,7 +1301,7 @@ int sqlite3AddInt64(i64 *pA, i64 iB){
}
int sqlite3SubInt64(i64 *pA, i64 iB){
#if !defined(SQLITE_DISABLE_INTRINSIC) \
&& defined(__GNUC__) && GCC_VERSION>=5004000
&& (GCC_VERSION>=5004000 || CLANG_VERSION>=4000000)
return __builtin_sub_overflow(*pA, iB, pA);
#else
testcase( iB==SMALLEST_INT64+1 );
@@ -1317,7 +1317,7 @@ int sqlite3SubInt64(i64 *pA, i64 iB){
}
int sqlite3MulInt64(i64 *pA, i64 iB){
#if !defined(SQLITE_DISABLE_INTRINSIC) \
&& defined(__GNUC__) && GCC_VERSION>=5004000
&& (GCC_VERSION>=5004000 || CLANG_VERSION>=4000000)
return __builtin_mul_overflow(*pA, iB, pA);
#else
i64 iA = *pA;