diff options
| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2019-01-22 10:49:41 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2019-01-22 10:49:41 +0000 |
| commit | 3adf50b2c006b4e6ecbe9ca4404a139c6425dd2a (patch) | |
| tree | 2979ac9b24d21a462341c0bc33986bc33efc4bef /llvm/lib | |
| parent | 285fe716c54caf8c12018365fc3657851ff7d1e3 (diff) | |
| download | bcm5719-llvm-3adf50b2c006b4e6ecbe9ca4404a139c6425dd2a.tar.gz bcm5719-llvm-3adf50b2c006b4e6ecbe9ca4404a139c6425dd2a.zip | |
[X86] HADDPS/HADDPD scalar lowering was added at rL350421
llvm-svn: 351797
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/X86/README-SSE.txt | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/llvm/lib/Target/X86/README-SSE.txt b/llvm/lib/Target/X86/README-SSE.txt index 190ca861967..d52840e5c48 100644 --- a/llvm/lib/Target/X86/README-SSE.txt +++ b/llvm/lib/Target/X86/README-SSE.txt @@ -827,15 +827,3 @@ and inversion with an rsqrtss instruction, which computes 1/sqrt faster at the cost of reduced accuracy. //===---------------------------------------------------------------------===// - -This function should be matched to haddpd when the appropriate CPU is enabled: - -#include <x86intrin.h> -double f (__m128d p) { - return p[0] + p[1]; -} - -similarly, v[0]-v[1] should match to hsubpd, and {v[0]-v[1], w[0]-w[1]} should -turn into hsubpd also. - -//===---------------------------------------------------------------------===// |
