diff options
Diffstat (limited to 'lib/Target/ARM/README.txt')
-rw-r--r-- | lib/Target/ARM/README.txt | 18 |
1 files changed, 0 insertions, 18 deletions
diff --git a/lib/Target/ARM/README.txt b/lib/Target/ARM/README.txt index 1fb775064e..da249b7123 100644 --- a/lib/Target/ARM/README.txt +++ b/lib/Target/ARM/README.txt @@ -574,21 +574,3 @@ __Z11no_overflowjj: //===---------------------------------------------------------------------===// -Easy ARM microoptimization (with -mattr=+vfp2): - -define i64 @i(double %X) { - %Y = bitcast double %X to i64 - ret i64 %Y -} - -compiles into: - -_i: - fmdrr d0, r0, r1 - fmrrd r0, r1, d0 - bx lr - -This just needs a target-specific dag combine to merge the two ARMISD nodes. - - -//===---------------------------------------------------------------------===// |