com.c (ffecom_init_0): Fix setup of INTEGER(KIND=7) pointer type.
Mon Jun 1 19:37:42 1998 Craig Burley <burley@gnu.org> * com.c (ffecom_init_0): Fix setup of INTEGER(KIND=7) pointer type. * info.c (ffeinfo_type): Don't crash on null type. * expr.c (ffeexpr_fulfill_call_): Don't special-case %LOC(expr) or LOC(expr). Delete FFEGLOBAL_argsummaryPTR. * global.c, global.h: Delete FFEGLOBAL_argsummaryPTR. From-SVN: r20225
This commit is contained in:
Craig Burley
Dave Love
parent
e69bc5b0b3
commit
a835e35137
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@ -1,3 +1,13 @@
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Mon Jun 1 19:37:42 1998 Craig Burley <burley@gnu.org>
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* com.c (ffecom_init_0): Fix setup of INTEGER(KIND=7)
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pointer type.
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* info.c (ffeinfo_type): Don't crash on null type.
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* expr.c (ffeexpr_fulfill_call_): Don't special-case
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%LOC(expr) or LOC(expr).
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Delete FFEGLOBAL_argsummaryPTR.
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* global.c, global.h: Delete FFEGLOBAL_argsummaryPTR.
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Mon May 25 03:34:42 1998 Craig Burley <burley@gnu.org>
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* com.c (ffecom_expr_): Fix D**I and Z**I cases to
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@ -9,7 +19,8 @@ Sat May 23 06:32:52 1998 Craig Burley <burley@gnu.org>
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* com.c (ffecom_finish_symbol_transform_): Don't transform
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statement (nested) functions, to avoid gcc compiling them
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and thus producing linker errors if they refer to undefined
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exteral functions. But warn if they're unused and -Wunused.
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external functions. But warn if they're unused and -Wunused.
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* bad.def (FFEBAD_SFUNC_UNUSED): New diagnostic.
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Tue May 19 14:52:41 1998 Craig Burley <burley@gnu.org>
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@ -12351,10 +12351,11 @@ ffecom_init_0 ()
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fatal ("no INTEGER type can hold a pointer on this configuration");
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else if (0 && ffe_is_do_internal_checks ())
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fprintf (stderr, "Pointer type kt=%d\n", ffecom_pointer_kind_);
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type = ffetype_new ();
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ffetype_set_kind (ffeinfo_type (FFEINFO_basictypeINTEGER,
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FFEINFO_kindtypeINTEGERDEFAULT),
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7, type);
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7,
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ffeinfo_type (FFEINFO_basictypeINTEGER,
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ffecom_pointer_kind_));
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if (ffe_is_ugly_assign ())
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ffecom_label_kind_ = ffecom_pointer_kind_; /* Require ASSIGN etc to this. */
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@ -9385,9 +9385,13 @@ ffeexpr_fulfill_call_ (ffebld *expr, ffelexToken t)
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as = FFEGLOBAL_argsummaryALTRTN;
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break;
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#if 0
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/* No, %LOC(foo) is just like any INTEGER(KIND=7)
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expression, so don't treat it specially. */
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case FFEBLD_opPERCENT_LOC:
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as = FFEGLOBAL_argsummaryPTR;
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break;
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#endif
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case FFEBLD_opPERCENT_VAL:
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as = FFEGLOBAL_argsummaryVAL;
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@ -9402,6 +9406,9 @@ ffeexpr_fulfill_call_ (ffebld *expr, ffelexToken t)
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break;
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case FFEBLD_opFUNCREF:
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#if 0
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/* No, LOC(foo) is just like any INTEGER(KIND=7)
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expression, so don't treat it specially. */
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if ((ffebld_op (ffebld_left (item)) == FFEBLD_opSYMTER)
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&& (ffesymbol_specific (ffebld_symter (ffebld_left (item)))
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== FFEINTRIN_specLOC))
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@ -9409,6 +9416,7 @@ ffeexpr_fulfill_call_ (ffebld *expr, ffelexToken t)
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as = FFEGLOBAL_argsummaryPTR;
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break;
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}
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#endif
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/* Fall through. */
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default:
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if (ffebld_op (item) == FFEBLD_opSYMTER)
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@ -5409,16 +5409,17 @@ arguments (those not passed using a construct such as @code{%VAL()})
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by reference or descriptor, depending on the type of
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the actual argument.
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Thus, given @samp{INTEGER I}, @samp{CALL FOO(I)} would
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seem to mean the same thing as @samp{CALL FOO(%LOC(I))}, and
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seem to mean the same thing as @samp{CALL FOO(%VAL(%LOC(I)))}, and
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in fact might compile to identical code.
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However, @samp{CALL FOO(%LOC(I))} emphatically means ``pass the
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address of @samp{I} in memory''.
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However, @samp{CALL FOO(%VAL(%LOC(I)))} emphatically means
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``pass, by value, the address of @samp{I} in memory''.
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While @samp{CALL FOO(I)} might use that same approach in a
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particular version of @code{g77}, another version or compiler
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might choose a different implementation, such as copy-in/copy-out,
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to effect the desired behavior---and which will therefore not
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necessarily compile to the same code as would @samp{CALL FOO(%LOC(I))}
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necessarily compile to the same code as would
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@samp{CALL FOO(%VAL(%LOC(I)))}
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using the same version or compiler.
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@xref{Debugging and Interfacing}, for detailed information on
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@ -616,9 +616,11 @@ ffeglobal_proc_def_arg (ffesymbol s, int argno, char *name, ffeglobalArgSummary
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defwhy = "an alternate-return label";
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break;
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#if 0
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case FFEGLOBAL_argsummaryPTR:
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defwhy = "a pointer";
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break;
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#endif
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default:
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defwhy = "???";
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@ -868,6 +870,7 @@ ffeglobal_proc_ref_arg (ffesymbol s, int argno, ffeglobalArgSummary as,
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}
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break;
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#if 0
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case FFEGLOBAL_argsummaryPTR:
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if ((ai->as != FFEGLOBAL_argsummaryPTR)
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&& (ai->as != FFEGLOBAL_argsummaryNONE))
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@ -876,6 +879,7 @@ ffeglobal_proc_ref_arg (ffesymbol s, int argno, ffeglobalArgSummary as,
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refwhy = "a pointer";
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}
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break;
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#endif
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default:
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break;
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@ -919,9 +923,11 @@ ffeglobal_proc_ref_arg (ffesymbol s, int argno, ffeglobalArgSummary as,
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defwhy = "an alternate-return label";
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break;
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#if 0
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case FFEGLOBAL_argsummaryPTR:
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defwhy = "a pointer";
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break;
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#endif
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default:
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defwhy = "???";
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@ -55,7 +55,6 @@ typedef enum
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FFEGLOBAL_argsummarySUBR, /* Subroutine (intrinsic, external). */
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FFEGLOBAL_argsummaryFUNC, /* Function (intrinsic, external). */
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FFEGLOBAL_argsummaryALTRTN, /* Alternate-return (label). */
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FFEGLOBAL_argsummaryPTR, /* Pointer (%LOC, LOC()). */
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FFEGLOBAL_argsummaryANY,
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FFEGLOBAL_argsummary
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} ffeglobalArgSummary;
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@ -256,7 +256,6 @@ ffeinfo_type (ffeinfoBasictype basictype, ffeinfoKindtype kindtype)
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{
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assert (basictype < FFEINFO_basictype);
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assert (kindtype < FFEINFO_kindtype);
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assert (ffeinfo_types_[basictype][kindtype] != NULL);
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return ffeinfo_types_[basictype][kindtype];
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}
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@ -46,6 +46,30 @@ Miscellany
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This order is not strict---for example, some items
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involve a combination of these elements.
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@heading In 0.5.24:
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@itemize @bullet
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@item
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@code{g77} no longer crashes when compiling code
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containing specification statements such as
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@samp{INTEGER(KIND=7) PTR}.
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@item
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@code{g77} now treats @samp{%LOC(@var{expr})} and
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@samp{LOC(@var{expr})} as ``ordinary'' expressions
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when they are used as arguments in procedure calls.
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This change applies only to global (filewide) analysis,
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making it consistent with
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how @code{g77} actually generates code
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for these cases.
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Previously, @code{g77} treated these expressions
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as denoting special ``pointer'' arguments
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for the purposes of filewide analysis.
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@item
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Improve documentation and indexing.
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@end itemize
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@heading In 0.5.23:
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@itemize @bullet
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@item
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