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| author | Gabe Black <gblack@eecs.umich.edu> | 2007-09-19 18:26:42 -0700 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2007-09-19 18:26:42 -0700 |
| commit | f3f3747431e001dc6c80da5b6489516b610c22d6 (patch) | |
| tree | 24fcbc928df1619a82dbfd9ffa6d6f6809f509f6 /src/arch/x86/floatregs.hh | |
| parent | a54ae9f92b6000e8aaf5e056deaead8725c25a74 (diff) | |
| download | gem5-f3f3747431e001dc6c80da5b6489516b610c22d6.tar.xz | |
X86: Put in the foundation for x87 stack based fp registers.
--HG--
extra : convert_revision : 940f92efd4a9dc59106e991cc6d9836861ab69de
Diffstat (limited to 'src/arch/x86/floatregs.hh')
| -rw-r--r-- | src/arch/x86/floatregs.hh | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/arch/x86/floatregs.hh b/src/arch/x86/floatregs.hh index b9d6a5c43..30846ec00 100644 --- a/src/arch/x86/floatregs.hh +++ b/src/arch/x86/floatregs.hh @@ -162,6 +162,12 @@ namespace X86ISA { return (FloatRegIndex)(FLOATREG_MICROFP_BASE + index); } + + static inline FloatRegIndex + FLOATREG_STACK(int index, int top) + { + return (FloatRegIndex)(NUM_FLOATREGS + ((top - index + 8) % 8)); + } }; #endif // __ARCH_X86_FLOATREGS_HH__ |