diff options
| -rw-r--r-- | lib/Target/ARM/ARMInstrVFP.td | 5 | ||||
| -rw-r--r-- | test/CodeGen/ARM/fptoint.ll | 33 |
2 files changed, 38 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMInstrVFP.td b/lib/Target/ARM/ARMInstrVFP.td index 671e1a48c1..a8a72ed72c 100644 --- a/lib/Target/ARM/ARMInstrVFP.td +++ b/lib/Target/ARM/ARMInstrVFP.td @@ -78,6 +78,11 @@ def FSTS : ASI5<(ops SPR:$src, addrmode5:$addr), [(store SPR:$src, addrmode5:$addr)]>; } // isStore +// avoid copying result of FTOUIZ to int reg when we're just storing it +let AddedComplexity = 1 in +def : ARMPat<(store (i32 (bitconvert SPR:$src)), addrmode5:$addr), + (FSTS SPR:$src, addrmode5:$addr)>; + //===----------------------------------------------------------------------===// // Load / store multiple Instructions. // diff --git a/test/CodeGen/ARM/fptoint.ll b/test/CodeGen/ARM/fptoint.ll new file mode 100644 index 0000000000..45be89c4d8 --- /dev/null +++ b/test/CodeGen/ARM/fptoint.ll @@ -0,0 +1,33 @@ +; RUN: llvm-as < %s | llc -march=arm -mattr=+v6,+vfp2 > %t +; RUN: not grep fmrs %t + +@i = weak global i32 0 ; <i32*> [#uses=2] +@u = weak global i32 0 ; <i32*> [#uses=2] + +define void @foo5(float %x) { +entry: + %tmp1 = fptosi float %x to i32 ; <i32> [#uses=1] + store i32 %tmp1, i32* @i + ret void +} + +define void @foo6(float %x) { +entry: + %tmp1 = fptoui float %x to i32 ; <i32> [#uses=1] + store i32 %tmp1, i32* @u + ret void +} + +define void @foo7(double %x) { +entry: + %tmp1 = fptosi double %x to i32 ; <i32> [#uses=1] + store i32 %tmp1, i32* @i + ret void +} + +define void @foo8(double %x) { +entry: + %tmp1 = fptoui double %x to i32 ; <i32> [#uses=1] + store i32 %tmp1, i32* @u + ret void +} |