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* expr.c (expr): Move code setting "retval" to the end of the loop,

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and rearrange for efficiency.  For "PIC code" subtraction, use
	"rightseg" rather than recalculating.  For "symbol OP symbol"
	subtract, set "retval" to absolute_section if symbols in same
	section.
	* symbols.c (resolve_symbol_value): Resolve "sym +/- expr" to an
	O_symbol.  Simplify a +/- b code.  Allow equality and non-equality
	comparisons on symbols from any section.  Allow other comparison
	operators as for subtraction.
	(symbol_equated_reloc_p): New predicate function.
	* symbols.h (symbol_equated_reloc_p): Declare.
	* write.c (adjust_reloc_syms): Use symbol_equated_reloc_p.
	(write_relocs): Likewise.
	(write_object_file): Likewise.
	(relax_segment <rs_machine_dependent>): Ensure segment for
	expression syms is set correctly.
	* config/tc-mips.c (md_estimate_size_before_relax): Likewise.
	* config/tc-i386.c (md_assemble <Output jumps>): Don't lose part
	of a complex expression when setting up frag_var.
This commit is contained in:
Alan Modra
2001-09-09 14:01:17 +00:00
parent f16fbd61d9
commit e0890092b6
7 changed files with 174 additions and 76 deletions
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gas/symbols.h
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@ -185,6 +185,7 @@ extern void symbol_mark_resolved PARAMS ((symbolS *));
extern int symbol_resolved_p PARAMS ((symbolS *));
extern int symbol_section_p PARAMS ((symbolS *));
extern int symbol_equated_p PARAMS ((symbolS *));
extern int symbol_equated_reloc_p PARAMS ((symbolS *));
extern int symbol_constant_p PARAMS ((symbolS *));
#ifdef BFD_ASSEMBLER