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| author | Benjamin Kramer <benny.kra@googlemail.com> | 2013-02-17 23:34:14 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2013-02-17 23:34:14 +0000 |
| commit | 189fc5819ad560f878d60896b0de29076f6475fe (patch) | |
| tree | b24ec8f635d5c55d222af0e923e7a57d88319d94 | |
| parent | 53fff945274e358046a2f6be62ffaccfd1a01b7d (diff) | |
| download | bcm5719-llvm-189fc5819ad560f878d60896b0de29076f6475fe.tar.gz bcm5719-llvm-189fc5819ad560f878d60896b0de29076f6475fe.zip | |
X86: Add a note.
llvm-svn: 175408
| -rw-r--r-- | llvm/lib/Target/X86/README-SSE.txt | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/README-SSE.txt b/llvm/lib/Target/X86/README-SSE.txt index 40110353fc6..496b704ee85 100644 --- a/llvm/lib/Target/X86/README-SSE.txt +++ b/llvm/lib/Target/X86/README-SSE.txt @@ -953,3 +953,12 @@ similarly, v[0]-v[1] should match to hsubpd, and {v[0]-v[1], w[0]-w[1]} should turn into hsubpd also. //===---------------------------------------------------------------------===// + +define <2 x i32> @foo(<2 x double> %in) { + %x = fptosi <2 x double> %in to <2 x i32> + ret <2 x i32> %x +} + +Should compile into cvttpd2dq instead of being scalarized into 2 cvttsd2si. + +//===---------------------------------------------------------------------===// |
