* tc-alpha.c: Patches to track current minimum alignment to reduce
the number of fragments created with frag_align.
(alpha_current_align): New static variable.
(s_alpha_text): Reset alignment to 0.
(s_alpha_data, s_alpha_rdata, s_alpha_sdata): Likewise.
(s_alpha_stringer, s_alpha_space): New functions.
(s_alpha_cons, alpha_flush_pending_output): Remove functions.
(alpha_cons_align): New function to replace both of them.
(emit_insn): Only align if alpha_current_align is less than 2;
reset alpha_current_align to 2.
(s_alpha_gprel32): Likewise.
(s_alpha_section): New function. Basically duplicate the other
alpha section change hooks. Only define for ELF.
(s_alpha_float_cons): Simplify alignment handling.
(md_pseudo_table): Only define "rdata" and "sdata" if OBJ_ECOFF.
If OBJ_ELF, define "section", "section.s", "sect", and "sect.s".
Don't define the s_alpha_cons pseudo-ops. Do define
s_alpha_stringer and s_alpha_space pseudo-ops.
(alpha_align): Skip if less than current default alignment. Set
default alignment.
* tc-alpha.h (md_flush_pending_output): Remove.
(md_cons_align): Add.
* tc-alpha.c: Add oodles of function description comments.
(md_bignum_to_chars): Remove; there are no callers.
(md_show_usage): Mention some more variants.
* config/tc-alpha.c (alpha_align): Change fill parameter
to a pointer. Take NULL as 0 or nop depending on section. Change
all callers.
(s_alpha_align): Rename local variables.
* doc/as.texinfo (.align): Document action of omitted
fill parameter.
* config/tc-i386.h (md_number_to_chars): New macro.
* config/tc-alpha.c (build_operate_n, build_mem): Moved earlier in the file.
(load_symbol_address, load_expression): Use build_mem.
(build_operate): New function.
(emit_addq_r): Use it.
Wed Mar 13 22:14:14 1996 Pat Rankin <rankin@eql.caltech.edu>
* symbols.c (colon): #if VMS, use S_SET_OTHER to store `const_flag'.
Tue Mar 5 14:31:45 1996 Pat Rankin <rankin@eql.caltech.edu>
* config/tc-vax.h (NOP_OPCODE): Define.
Sun Feb 4 21:01:03 1996 Pat Rankin <rankin@eql.caltech.edu>
* config/obj-vms.h (S_IS_COMMON): Define.
(S_IS_LOCAL): Check for \002 as well as \001.
(LONGWORD_ALIGNMENT): New macro.
(SUB_SEGMENT_ALIGN): Use it.
Fri Jan 26 17:44:09 1996 Pat Rankin <rankin@eql.caltech.edu>
* config/vms-conf.h: Reconcile with conf.in.
(in_range): New function, tests whether a value can fit in an N-bit field.
(build_mem, build_operate_n): New functions for constructing opcode values.
(emit_sll_n, emit_ldah_num, emit_addq_r, emit_lda_n): New functions for
emitting single instructions, no longer requiring a recursive call to
md_assemble.
(emit_add64): New function for expanding a REG:=REG+CONST operation into
one or more instructions, to handle wide constants.
(clear_insn): New variable.
(md_begin): Fill it in with zeros and BFD_RELOC_NONE values.
(alpha_ip): Use it to initialize local variable insns.
(alpha_ip, label "immediate" and cases 'P', 'G'): Use emit_add64 for
calculations.
haven't seen any input files yet.
* config/tc-alpha.c (md_begin): Just call symbol_create, rather
than calling symbol_new and then removing the symbol from the
list.
With these changes, Alpha gas will work with mips-tfile.
* as.c (main): Move a inside the #if 0 block which uses it.
* ecoff.c (current_stabs_filename): Make const.
* frags.h (frag_align_pattern): Declare.
* gasp.c (new_file): Cast isp to long, and use %ld to print it.
* config/tc-alpha.h (md_operand): Add cast to void.
(alpha_do_align): Declare argument types.
(tc_get_register): Declare.
(alpha_frob_ecoff_data): Declare.
* config/tc-alpha.c: Include <ctype.h>.
(s_mask): Don't declare; does not exist.
(line_comment_chars): Remove /* from descriptive comment.
(tc_get_register): Remove unused local reg.
(tc_gen_reloc): Don't bother to compare unsigned to zero.
(s_base): Correct warning to actually print register number.
(md_begin): Remove unused locals retval, lose, and i.
(alpha_fix_adjustable): Move default case inside switch to avoid
warning.
(load_symbol_address): Remove unused locals reloc_addr, p, sym,
and addend.
(emit_byte_manip_r): Declare types for all arguments.
(emit_extract_r, emit_insert_r, emit_mask_r): Likewise.
(emit_sign_extend, emit_bis_r, s_proc): Likewise.
(alpha_ip): Use sprint_value to print offsetT value. Remove
unused local size. Remove unused label get_macro.
(alpha_do_align): Make fill const.
(md_apply_fix): Remove unused label check_zov.
* config/tc-alpha.c (machine): New variable.
(load_insn): New macro.
(load_insn_table): New function.
(md_begin): Call load_insn_table, once for basic instructions and
once for appropriate PAL instruction table.
(md_parse_option): Set `machine' based on -m##### arguments.
* config/alpha-opcode.h (alpha_pal21064_opcodes): Split out from alpha_opcodes.
(alpha_pal21164_opcodes): New table.
(NUM21064OPCODES, NUM21164OPCODES): New macros.
* config/alpha-opcode.h (ldif, ldig, ldis, ldit): New patterns.
* config/tc-alpha.c (lit8_sec, lit4_sec, lit8_sym, lit4_sym): New variables.
(create_literal_section): New function.
(create_lita_section): Now a macro.
(get_lit8_offset, get_lit4_offset): New functions.
(maybe_set_gp): New function.
(select_gp_value): Call it.
(load_expression): Preserve addend if symbol is a section symbol.
(alpha_ip): Handle new operand type `F' for floating-point constants; store
them in .lit{4,8} sections.
(alpha_ip, case 'G'): Emit LITUSE relocations for symbol exprs.
precedence questions.
(addr32): New static variable.
(md_parse_option): Set it for "-32addr".
(load_symbol_address): If addr32 is set, use ldl instead of ldq.
return type to valueT, to agree with tc.h.
(alpha_do_align): Local static array nop_pattern is now unsigned
char, to avoid overflow warnings.
* tc-alpha.h (md_section_align): Delete declaration.
* obj-ecoff.c (ecoff_frob_file): Ensure that ecoff_data for
output bfd is non-null before indirecting through it.
Crock to get GP set right:
* tc-alpha.c (alpha_frob_ecoff_data): Renamed from alpha_frob_file.
* tc-alpha.h (tc_frob_file): Macro deleted.
* obj-ecoff.c (ecoff_frob_file) [TC_ALPHA]: Call alpha_frob_ecoff_data, then
fill in optional-header info with gp value and register masks.
just before calling obj_frob_file.
* config/tc-alpha.c (alpha_gp_value): Renamed from gp_value (refs changed), made
non-static.
(getExpression): Return void.
(select_gp_value): Abort if gp_value is non-zero. Delete call to non-existent
bfd_set_gp_value.
(alpha_validate_fix): Function deleted.
(alpha_frob_symbol): Function deleted.
(alpha_local_label): Function deleted.
(alpha_frob_file): Renamed from alpha_end.
* config/tc-alpha.h (alpha_frob_symbol, alpha_validate_fix, alpha_local_label,
alpha_end): Declarations deleted.
(alpha_gp_value, alpha_frob_file): Declare.
(tc_frob_symbol, TC_VALIDATE_FIX, md_end): Macros deleted.
(LOCAL_LABEL): Move code here from tc-alpha.c:alpha_local_label.
(md_convert_frag): Simplified slightly.
(tc_frob_file): New macro.
Still to do:
- fix floating-point handling
- figure out if we can adapt to using ../opcodes/alpha-opc.h
- gcc bootstrap testing
- 32-bit mode support?
- test cross-assembly
