X86: Implement some SSE fp microops and instructions.

--HG--
extra : convert_revision : 7e0595ef542fbfb701bfac7e9ac4648349a92b26

1 files changed, 14 insertions, 0 deletions

diff --git a/src/arch/x86/isa/microops/regop.isa b/src/arch/x86/isa/microops/regop.isa
index 3641438f5..1d9299ff3 100644
--- a/src/arch/x86/isa/microops/regop.isa
+++ b/src/arch/x86/isa/microops/regop.isa
@@ -655,4 +655,18 @@ let {{
         int64_t intSrcReg1 = static_cast<int64_t>(FpSrcReg1);
         DestReg = merge(DestReg, intSrcReg1, dataSize);
         '''
+
+    # These need to consider size at some point. They'll always use doubles
+    # for the moment.
+    class addfp(RegOp):
+        code = 'FpDestReg = FpSrcReg1 + FpSrcReg2;'
+
+    class mulfp(RegOp):
+        code = 'FpDestReg = FpSrcReg1 * FpSrcReg2;'
+
+    class divfp(RegOp):
+        code = 'FpDestReg = FpSrcReg1 / FpSrcReg2;'
+
+    class subfp(RegOp):
+        code = 'FpDestReg = FpSrcReg1 - FpSrcReg2;'
 }};