Factor ARM triple parsing out of ARMSubtarget. Another step towards making ARM subtar...

[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 0dcbcbc73534f65455b835cab385eb7454beb036..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
@@ -80,6 +80,6 @@ foo:
        addl $20, %esp
        ret
 
-This will be solved when we go to a dynamic programming based isel.
+This just requires being smarter when custom expanding fptoui.
 
 //===---------------------------------------------------------------------===//