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| author | Gabe Black <gblack@eecs.umich.edu> | 2007-09-04 23:42:55 -0700 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2007-09-04 23:42:55 -0700 |
| commit | 6c689a3b4b3991342200bb2a433fdf7fbd76b4fc (patch) | |
| tree | cff1b4cd2d41c5b6f4998fa3509d9177ca1b14a5 | |
| parent | 26ba7cc3b233ae2b3c036de2998e0c5e0a4c340d (diff) | |
| download | gem5-6c689a3b4b3991342200bb2a433fdf7fbd76b4fc.tar.xz | |
X86: Make the movfp microop use FloatRegBits instead of FloatRegs.
This fixes a problem where interpreting arbitrary bits as floating point would
change what the value was. These values are legitimate because the fp
registers could be used to move around arbitrary data.
--HG--
extra : convert_revision : f1d7159ba137702b5722cc7c1b64ed7dd06c21de
| -rw-r--r-- | src/arch/x86/isa/microops/regop.isa | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/arch/x86/isa/microops/regop.isa b/src/arch/x86/isa/microops/regop.isa index 1d9299ff3..589113ba3 100644 --- a/src/arch/x86/isa/microops/regop.isa +++ b/src/arch/x86/isa/microops/regop.isa @@ -489,8 +489,8 @@ let {{ else_code = 'DestReg=DestReg;' class Movfp(CondRegOp): - code = 'FpDestReg = FpSrcReg2' - else_code = 'FpDestReg = FpDestReg;' + code = 'FpDestReg.uqw = FpSrcReg2.uqw;' + else_code = 'FpDestReg.uqw = FpDestReg.uqw;' # Shift instructions |