Add pattern for double-to-integer conversion. Patch by Sasa Stankovic.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131927 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/Mips/MipsInstrFPU.td b/lib/Target/Mips/MipsInstrFPU.td
index 72ed3e6700f98aaf0a89e5ca7056a94eab0e0e71..b0f4853b55a387ce8dbad1256e4e177eb7c707f0 100644 (file)
--- a/lib/Target/Mips/MipsInstrFPU.td
+++ b/lib/Target/Mips/MipsInstrFPU.td
@@ -359,6 +359,7 @@ def : Pat<(f32 (sint_to_fp CPURegs:$src)), (CVTS_W32 (MTC1 CPURegs:$src))>;
 def : Pat<(f64 (sint_to_fp CPURegs:$src)), (CVTD_W32 (MTC1 CPURegs:$src))>;
 
 def : Pat<(i32 (fp_to_sint FGR32:$src)), (MFC1 (TRUNC_W_S32 FGR32:$src))>;
+def : Pat<(i32 (fp_to_sint AFGR64:$src)), (MFC1 (TRUNC_W_D32 AFGR64:$src))>;
 
 def : Pat<(i32 (bitconvert FGR32:$src)),  (MFC1 FGR32:$src)>;
 def : Pat<(f32 (bitconvert CPURegs:$src)), (MTC1 CPURegs:$src)>;

diff --git a/test/CodeGen/Mips/double2int.ll b/test/CodeGen/Mips/double2int.ll
new file mode 100644 (file)
index 0000000..3d033e1
--- /dev/null
+++ b/test/CodeGen/Mips/double2int.ll
@@ -0,0 +1,8 @@
+; RUN: llc -march=mips -mcpu=4ke < %s | FileCheck %s
+
+define i32 @f1(double %d) nounwind readnone {
+entry:
+; CHECK: trunc.w.d $f{{[0-9]+}}, $f12
+  %conv = fptosi double %d to i32
+  ret i32 %conv
+}