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authorClaudiu Zissulescu <claziss@synopsys.com>2016-02-10 12:09:01 +0000
committerNick Clifton <nickc@redhat.com>2016-02-10 12:09:01 +0000
commit4670103e86f59a80259fd593a6949d693382e536 (patch)
treebc0ae65cc94a89c6fa81629a350abf6c9b243123 /include/opcode
parent83da6e748c8f105f07e17f53aa6b99ed7867ff5f (diff)
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Add support for ARC instruction relaxation in the assembler.
gas/ 2016-01-26 Claudiu Zissulescu <claziss@synopsys.com> Janek van Oirschot <jvanoirs@synopsys.com> * config/tc-arc.h (TC_FRAG_TYPE, TC_PCREL_ADJUST, MAX_INSN_ARGS) (MAX_INSN_FLGS, MAX_FLAG_NAME_LENGHT, TC_GENERIC_RELAX_TABLE): Define. (arc_flags, arc_relax_type): New structure. * config/tc-arc.c (FRAG_MAX_GROWTH, RELAX_TABLE_ENTRY) (RELAX_TABLE_ENTRY_MAX): New define. (relaxation_state, md_relax_table, arc_relaxable_insns) (arc_num_relaxable_ins): New variable. (rlx_operand_type, arc_rlx_types): New enums. (arc_relaxable_ins): New structure. (OPTION_RELAX): New option. (arc_insn): New relax member. (arc_flags): Remove. (relax_insn_p): New function. (apply_fixups): Likewise. (relaxable_operand): Likewise. (may_relax_expr): Likewise. (relaxable_flag): Likewise. (arc_pcrel_adjust): Likewise. (md_estimate_size_before_relax): Implement. (md_convert_frag): Likewise. (md_parse_option): Handle new mrelax option. (md_show_usage): Likewise. (assemble_insn): Set relax member. (emit_insn0): New function. (emit_insn1): Likewise. (emit_insn): Handle relaxation case. * NEWS: Mention the new relaxation option. * doc/c-arc.texi (ARC Options): Document new mrelax option. gas/testsuite 2016-01-26 Claudiu Zissulescu <claziss@synopsys.com> * gas/arc/relax-avoid1.d: New file. * gas/arc/relax-avoid1.s: Likewise. * gas/arc/relax-avoid2.d: Likewise. * gas/arc/relax-avoid2.s: Likewise. * gas/arc/relax-avoid3.d: Likewise. * gas/arc/relax-avoid3.s: Likewise. * gas/arc/relax-b.d: Likewise. * gas/arc/relax-b.s: Likewise. include/opcode/ 2016-01-26 Claudiu Zissulescu <claziss@synopsys.com> Janek van Oirschot <jvanoirs@synopsys.com> * arc.h (arc_opcode arc_relax_opcodes, arc_num_relax_opcodes): Declare. opcodes/ 2016-01-26 Claudiu Zissulescu <claziss@synopsys.com> Janek van Oirschot <jvanoirs@synopsys.com> * arc-opc.c (arc_relax_opcodes, arc_num_relax_opcodes): New variable.
Diffstat (limited to 'include/opcode')
-rw-r--r--include/opcode/arc.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/opcode/arc.h b/include/opcode/arc.h
index a69a561..6f5bc98 100644
--- a/include/opcode/arc.h
+++ b/include/opcode/arc.h
@@ -24,8 +24,13 @@
#ifndef OPCODE_ARC_H
#define OPCODE_ARC_H
+#ifndef MAX_INSN_ARGS
#define MAX_INSN_ARGS 6
+#endif
+
+#ifndef MAX_INSN_FLGS
#define MAX_INSN_FLGS 3
+#endif
/* Instruction Class. */
typedef enum
@@ -410,4 +415,7 @@ struct arc_aux_reg
extern const struct arc_aux_reg arc_aux_regs[];
extern const unsigned arc_num_aux_regs;
+extern const struct arc_opcode arc_relax_opcodes[];
+extern const unsigned arc_num_relax_opcodes;
+
#endif /* OPCODE_ARC_H */