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Diffstat (limited to 'gcc/f/ChangeLog')
| -rw-r--r-- | gcc/f/ChangeLog | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/gcc/f/ChangeLog b/gcc/f/ChangeLog index 9d2f134..8d07c01 100644 --- a/gcc/f/ChangeLog +++ b/gcc/f/ChangeLog @@ -1,3 +1,112 @@ +Sat Apr 17 13:53:43 1999 Craig Burley <craig@jcb-sc.com> + + Rewrite to use block/scope structure of GBE and to ensure + variables (especially those going on stack/reg) are declared + before executable code generated: + * bld.c (ffebld_new_item, ffebld_new_one, ffebld_new_two): + Support new hooks. + * bld.h (ffebld_item_hook, ffebld_item_set_hook, + ffebld_nonter_hook, ffebld_nonter_set_hook): Ditto. + * bld.h (ffebld_basictype, ffebld_kind, ffebld_kindtype, + ffebld_rank, ffebld_where): New convenience macros (used + by rest of this patch). + * com.c, com.h (ffecom_push_calltemps, ffecom_pop_calltemps, + ffecom_push_tempvar, ffecom_pop_tempvar): Remove temp-var- + handling mechanism. + * com.c (ffecom_call_, ffecom_call_binop_, ffecom_tree_divide_, + ffecom_call_gfrt): Support passing hooks for temp-var info. + (ffecom_expr_power_integer_): Takes opPOWER expression, instead + of its left and right operands, so it can get at the hook. + (ffecom_prepare_let_char_, ffecom_prepare_arg_ptr_to_expr, + ffecom_prepare_end, ffecom_prepare_expr_, ffecom_prepare_expr_rw, + ffecom_prepare_expr_w, ffecom_prepare_return_expr, + ffecom_prepare_ptr_to_expr): New functions supporting expression + pre-scanning. + (bison_rule_compstmt_): Return the tree, as in the CFE. + (delete_block): New function, from CFE. + (kept_level_p): New function, from CFE, modified. + (ffecom_start_compstmt, ffecom_end_compstmt): New functions, + replacing ffecom_start_compstmt_ and ffecom_end_compstmt_ macros, + and they do real work. + (struct binding_level): Add prep_state member. Initialize to 0. + (ffecom_get_invented_identifier): Now takes either or both a + string and an integer, using -1 to denote no integer. + (ffecom_do_entry_): Disallow temp-var generation via expressions + in body of function, since the exprs aren't prescanned. + (ffecom_expr_rw): Now takes destination tree. + (ffecom_expr_w): New function, now used in some places + ffecom_expr_rw had been used. + (ffecom_expr_intrinsic_): Move huge f2c-related comment to bottom + of source file, to avoid annoying problems editing com.c using + Emacs C-mode. + (ffecom_expr_power_integer_): Make a temp var for division, if + necessary. + Handle expanded statement expression as does CFE. + (ffecom_start_progunit_): Disallow temp-var generation in body + of function, since expressions are not prescanned at this level. + (ffecom_sym_transform_): Transform ASSIGN variables as well, + so these are all transformed up front, before code-generation + begins. + (ffecom_arg_ptr_to_const_expr, ffecom_const_expr, + ffecom_ptr_to_const_expr): New functions to transform expressions + only if the results will surely be constants. + (ffecom_arg_ptr_to_expr): Precompute size, for convenience + obtaining temp vars. + (ffecom_expand_let_stmt): Guess at usability of destination + pre-expansion, to provide better prescan preparation (fewer + spurious temp vars). + (ffecom_init_0): Disallow temp-var generation in global scope. + (ffecom_type_expr): New function, returns just the type tree + for the expression. + (start_function): Disallow temp-var generation in parm scope. + (incomplete_type_error): Fix introductory comment. + (poplevel): Update (somewhat) from CFE. + (pushlevel): Update (somewhat) from CFE. + * stc.c (ffestc_R838): Mark ASSIGNed variable as so. + * std.c (ffestd_stmt_pass_, ffestd_R803, ffestd_R804, ffestd_R805, + ffestd_R806): Remember and pass through the ffestw block info + for these (IFTHEN, ELSEIF, ELSE, and ENDIF) statements. + * ste.c (ffeste_end_iterdo_): Now takes ffestw block argument. + (ffeste_io_inlist_): Add prototype. + (ffeste_f2c_*): Macros rewritten, new ones added. + (ffeste_start_block_, ffeste_end_block_, ffeste_start_stmt_, + ffeste_end_stmt_): New macros/functions, depending on whether + checking is enabled, to keep track of symmetry of other ste.c code. + (ffeste_begin_iterdo_, ffeste_end_iterdo_, ffeste_io_impdo_, + ffeste_io_dofio_, ffeste_io_dolio_, ffeste_io_douio_, + ffeste_io_ialist_, ffeste_io_cilist_, ffeste_io_cllist_, + ffeste_icilist_, ffeste_io_inlist_, ffeste_io_olist_, + ffeste_subr_beru_, ffeste_do, ffeste_end_R807, ffeste_R737A, + ffeste_R803, ffeste_R804, ffeste_R805, ffeste_R806, ffeste_R807, + ffeste_R809, ffeste_R810, ffeste_R811, ffeste_R819A, ffeste_R819B, + ffeste_R837, ffeste_R838, ffeste_R839, ffeste_R840, ffeste_R904, + ffeste_R907, ffeste_R909_start, ffeste_R909_item, ffeste_R909_finish, + ffeste_R910_start, ffeste_R910_item, ffeste_R910_finish, + ffeste_R911_start, ffeste_R911_item, ffeste_R911_finish, + ffeste_R923A, ffeste_R1212, ffeste_R1227): Prescan/prepare + all pertinent expressions, update to new com.c interface, etc. + (ffeste_io_impdo_): Relocate. + (ffeste_R834, ffeste_R835, ffeste_R836, ffeste_R1226): Don't + bother calling clear_momentary, nothing was generated. + (ffeste_R842, ffeste_R843): Update to new com.c interface. + (ffeste_R1226): Don't try to stuff error_mark_node's DECL_INITIAL. + (ffeste_terminate_2): When checking enabled, make sure all blocks + and statements have been ended. + * ste.h (ffeste_R803, ffeste_R804, ffeste_R805, ffeste_R806): + These now take ffestw block argument. + (ffeste_terminate_2): When checking enabled, it's a function, not + a macro. + * stw.h (struct _ffestw_): New variable for IFTHEN. + (ffestw_ifthen_fake_else, ffestw_set_ifthen_fake_else): New + accessor macros. + * symbol.c, symbol.h: Support new ASSIGN'ed-to info. + + * com.c: Clean up commentary per GNU coding standards. + + * bld.h (ffebld_size, ffebld_size_known): Canonize. + + * version.c: Bump version. + Sun Apr 11 21:33:33 1999 Mumit Khan <khan@xraylith.wisc.edu> * g77spec.c (lang_specific_driver): Check whether MATH_LIBRARY is |