Carl Shapiro pushed to branch master at cmucl / cmucl
Commits:
-
ef48eb2a
by Carl Shapiro at 2025-02-18T22:46:55-08:00
1 changed file:
Changes:
| ... | ... | @@ -244,9 +244,10 @@ for SAPs when possible, so the consing overhead is generally minimal. |
| 244 | 244 | |
| 245 | 245 | \begin{defun}{system:}{sap-ref-8}{\args{\var{sap} \var{offset}}}
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| 246 | 246 | \defunx[system:]{sap-ref-16}{\args{\var{sap} \var{offset}}}
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| 247 | - \defunx[system:]{sap-ref-32}{\args{\var{sap} \var{offset}}}
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| 248 | -
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| 249 | - These functions return the 8, 16 or 32 bit unsigned integer at
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| 247 | + \defunx[system:]{sap-ref-32}{\args{\var{sap} \var{offset}}
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| 248 | + \defunx[system:]{sap-ref-64}{\args{\var{sap} \var{offset}}}
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| 249 | + |
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| 250 | + These functions return the 8, 16, 32 or 64 bit unsigned integer at
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| 250 | 251 | \var{offset} from \var{sap}. The \var{offset} is always a byte
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| 251 | 252 | offset, regardless of the number of bits accessed. \code{setf} may
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| 252 | 253 | be used with the these functions to deposit values into virtual
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| ... | ... | @@ -256,7 +257,8 @@ for SAPs when possible, so the consing overhead is generally minimal. |
| 256 | 257 | \begin{defun}{system:}{signed-sap-ref-8}{\args{\var{sap} \var{offset}}}
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| 257 | 258 | \defunx[system:]{signed-sap-ref-16}{\args{\var{sap} \var{offset}}}
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| 258 | 259 | \defunx[system:]{signed-sap-ref-32}{\args{\var{sap} \var{offset}}}
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| 259 | -
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| 260 | + \defunx[system:]{signed-sap-ref-64}{\args{\var{sap} \var{offset}}}
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| 261 | + |
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| 260 | 262 | These functions are the same as the above unsigned operations,
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| 261 | 263 | except that they sign-extend, returning a negative number if the
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| 262 | 264 | high bit is set.
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