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| author | Chris Lattner <sabre@nondot.org> | 2006-10-18 17:04:09 +0000 |
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| committer | Chris Lattner <sabre@nondot.org> | 2006-10-18 17:04:09 +0000 |
| commit | f4879d4e911f98f6e7f5b10b2e91477482789a9c (patch) | |
| tree | 5add4f4e256f5afcffd312c2c7846c3f982ff237 /lib/Target/X86/README-SSE.txt | |
| parent | 71d94d8817edd01481c2a21625bcfafdb3874d0a (diff) | |
| download | llvm-f4879d4e911f98f6e7f5b10b2e91477482789a9c.tar.gz llvm-f4879d4e911f98f6e7f5b10b2e91477482789a9c.tar.bz2 llvm-f4879d4e911f98f6e7f5b10b2e91477482789a9c.tar.xz | |
add a note
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31038 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/README-SSE.txt')
| -rw-r--r-- | lib/Target/X86/README-SSE.txt | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Target/X86/README-SSE.txt b/lib/Target/X86/README-SSE.txt index a22cebf165..2de68edad0 100644 --- a/lib/Target/X86/README-SSE.txt +++ b/lib/Target/X86/README-SSE.txt @@ -28,6 +28,11 @@ Each operand of the minss is a load. At least one should be folded! //===---------------------------------------------------------------------===// +Expand libm rounding functions inline: Significant speedups possible. +http://gcc.gnu.org/ml/gcc-patches/2006-10/msg00909.html + +//===---------------------------------------------------------------------===// + When compiled with unsafemath enabled, "main" should enable SSE DAZ mode and other fast SSE modes. |