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| author | pfg <pfg@FreeBSD.org> | 2013-12-18 19:07:29 +0000 |
|---|---|---|
| committer | pfg <pfg@FreeBSD.org> | 2013-12-18 19:07:29 +0000 |
| commit | 6f93e9ad10bb17a8b07e0cab16df0097d5ba6090 (patch) | |
| tree | 234e9f04b601b7b9c9ff48f56f79bcd379485350 /contrib/gcc/libgcc2.c | |
| parent | a70f2adf579c967cdf8017632ea2266fe2e9eb4a (diff) | |
| download | FreeBSD-src-6f93e9ad10bb17a8b07e0cab16df0097d5ba6090.zip FreeBSD-src-6f93e9ad10bb17a8b07e0cab16df0097d5ba6090.tar.gz | |
MFC r258428, r258445
gcc: another round of merges from the gcc pre-43 branch.
Bring The following revisions from the gcc43 branch[1]:
118360, 118361, 118363, 118576, 119820,
123906, 125246, and 125721.
They all have in common that the were merged long ago
into Apple's gcc and should help improve the general
quality of the compiler and make it easier to bring
new features from Apple's gcc42.
For details please review the additions to the files:
gcc/ChangeLog.gcc43
gcc/cp/ChangeLog.gcc43 (new, adds previous revisions)
Fix crosscompilation (r258445 by andreast)
Reference:
[1] http://gcc.gnu.org/viewcvs/gcc/trunk/?pathrev=126700
Obtained from: gcc pre4.3 (GPLv2) branch
MFC after: 3 weeks
Diffstat (limited to 'contrib/gcc/libgcc2.c')
| -rw-r--r-- | contrib/gcc/libgcc2.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/contrib/gcc/libgcc2.c b/contrib/gcc/libgcc2.c index 851bdd0..58ad320 100644 --- a/contrib/gcc/libgcc2.c +++ b/contrib/gcc/libgcc2.c @@ -492,6 +492,30 @@ __ashrdi3 (DWtype u, word_type b) } #endif +#ifdef L_bswapsi2 +UWtype +__bswapsi2 (UWtype u) +{ + return ((((u) & 0xff000000) >> 24) + | (((u) & 0x00ff0000) >> 8) + | (((u) & 0x0000ff00) << 8) + | (((u) & 0x000000ff) << 24)); +} +#endif +#ifdef L_bswapdi2 +UDWtype +__bswapdi2 (UDWtype u) +{ + return ((((u) & 0xff00000000000000ull) >> 56) + | (((u) & 0x00ff000000000000ull) >> 40) + | (((u) & 0x0000ff0000000000ull) >> 24) + | (((u) & 0x000000ff00000000ull) >> 8) + | (((u) & 0x00000000ff000000ull) << 8) + | (((u) & 0x0000000000ff0000ull) << 24) + | (((u) & 0x000000000000ff00ull) << 40) + | (((u) & 0x00000000000000ffull) << 56)); +} +#endif #ifdef L_ffssi2 #undef int int @@ -1862,7 +1886,7 @@ CONCAT3(__div,MODE,3) (MTYPE a, MTYPE b, MTYPE c, MTYPE d) { MTYPE denom, ratio, x, y; - /* ??? We can get better behavior from logarithmic scaling instead of + /* ??? We can get better behavior from logarithmic scaling instead of the division. But that would mean starting to link libgcc against libm. We could implement something akin to ldexp/frexp as gcc builtins fairly easily... */ |
