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| author | Gabe Black <gblack@eecs.umich.edu> | 2007-10-02 22:57:33 -0700 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2007-10-02 22:57:33 -0700 |
| commit | 3e644b48bbbc3c0c3f3dd6bb158ea7b9c2024424 (patch) | |
| tree | 358ffe6a7e3ffc1d940f4b0b4a9193278b5ce48f /src/arch/x86/isa | |
| parent | a56c651980921d210f2c48f84ce5d3445fc38475 (diff) | |
| download | gem5-3e644b48bbbc3c0c3f3dd6bb158ea7b9c2024424.tar.xz | |
X86: Fix x87 floating point stack register indexing.
--HG--
extra : convert_revision : b515ec20cbfc50b38aa7da6cf4d465acf9054c08
Diffstat (limited to 'src/arch/x86/isa')
| -rw-r--r-- | src/arch/x86/isa/insts/x87/data_transfer_and_conversion/load_or_store_floating_point.py | 4 | ||||
| -rw-r--r-- | src/arch/x86/isa/microasm.isa | 2 |
2 files changed, 3 insertions, 3 deletions
diff --git a/src/arch/x86/isa/insts/x87/data_transfer_and_conversion/load_or_store_floating_point.py b/src/arch/x86/isa/insts/x87/data_transfer_and_conversion/load_or_store_floating_point.py index 6d56ac3bd..2a4c3f0ed 100644 --- a/src/arch/x86/isa/insts/x87/data_transfer_and_conversion/load_or_store_floating_point.py +++ b/src/arch/x86/isa/insts/x87/data_transfer_and_conversion/load_or_store_floating_point.py @@ -56,13 +56,13 @@ microcode = ''' def macroop FLD_M { ldfp ufp1, seg, sib, disp - movfp st(1), ufp1, spm=-1 + movfp st(-1), ufp1, spm=-1 }; def macroop FLD_P { rdip t7 ldfp ufp1, seg, riprel, disp - movfp st(1), ufp1, spm=-1 + movfp st(-1), ufp1, spm=-1 }; def macroop FST_M { diff --git a/src/arch/x86/isa/microasm.isa b/src/arch/x86/isa/microasm.isa index e961cc63c..c8bc36b69 100644 --- a/src/arch/x86/isa/microasm.isa +++ b/src/arch/x86/isa/microasm.isa @@ -137,7 +137,7 @@ let {{ assembler.symbols["label"] = labeler def stack_index(index): - return "(NUM_FLOATREGS + (%s))" % index + return "(NUM_FLOATREGS + (((%s) + 8) %% 8))" % index assembler.symbols["st"] = stack_index |