[X86] Use cast instead of dyn_cast and a null check marked unreachable.

[oota-llvm.git] / lib / Target / X86 / README-FPStack.txt

diff --git a/lib/Target/X86/README-FPStack.txt b/lib/Target/X86/README-FPStack.txt
index be28e8b394a429914b47f04f661d93080e3996e7..39efd2dbcf1adc2424434730fded2e60cd6759bf 100644 (file)
--- a/lib/Target/X86/README-FPStack.txt
+++ b/lib/Target/X86/README-FPStack.txt
@@ -27,8 +27,8 @@ def FpIADD32m : FpI<(ops RFP:$dst, RFP:$src1, i32mem:$src2), OneArgFPRW,
 
 //===---------------------------------------------------------------------===//
 
-The FP stackifier needs to be global.  Also, it should handle simple permutates
-to reduce number of shuffle instructions, e.g. turning:
+The FP stackifier should handle simple permutates to reduce number of shuffle
+instructions, e.g. turning:
 
 fld P  ->              fld Q
 fld Q                  fld P