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More soft fp fixes.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49016 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2008-04-01 02:18:22 +00:00
parent db45d1c649
commit 9845eb5b03
2 changed files with 5 additions and 2 deletions
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3
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
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@ -5369,7 +5369,8 @@ ExpandIntToFP(bool isSigned, MVT::ValueType DestTy, SDOperand Source) {
MVT::ValueType SourceVT = Source.getValueType();
bool ExpandSource = getTypeAction(SourceVT) == Expand;
if (!isSigned) {
// Special case for i32 source to take advantage of UINTTOFP_I32_F32, etc.
if (!isSigned && SourceVT != MVT::i32) {
// The integer value loaded will be incorrectly if the 'sign bit' of the
// incoming integer is set. To handle this, we dynamically test to see if
// it is set, and, if so, add a fudge factor.

4
test/CodeGen/ARM/fpconv.ll
View File

@ -16,8 +16,10 @@
; RUN: grep fixunssfsi %t
; RUN: grep fixdfsi %t
; RUN: grep fixunsdfsi %t
; RUN: grep floatdisf %t
; RUN: grep floatsisf %t
; RUN: grep floatsidf %t
; RUN: grep floatunsisf %t
; RUN: grep floatunsidf %t
; RUN: llvm-as < %s | llc -march=thumb
define float @f1(double %x) {