diff options
| author | Aaron Watry <awatry@gmail.com> | 2013-08-15 19:21:10 +0000 |
|---|---|---|
| committer | Aaron Watry <awatry@gmail.com> | 2013-08-15 19:21:10 +0000 |
| commit | 8548725f290ddae3feef2a15fc672010087c939b (patch) | |
| tree | 95383b79784807889e58b6e3e453faafd9ab07ff /clang/lib/CodeGen/CodeGenModule.cpp | |
| parent | 7659157f1b926321530a44ce8fc7a39a0360a08e (diff) | |
| download | bcm5719-llvm-8548725f290ddae3feef2a15fc672010087c939b.tar.gz bcm5719-llvm-8548725f290ddae3feef2a15fc672010087c939b.zip | |
Add rhadd builtin
rhadd = (x+y+1)>>1
Implemented as:
(x>>1) + (y>>1) + ((x&1)|(y&1))
This prevents us having to do assembly addition and overflow detection
Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
llvm-svn: 188477
Diffstat (limited to 'clang/lib/CodeGen/CodeGenModule.cpp')
0 files changed, 0 insertions, 0 deletions
