sh.c (TARGET_HAVE_TLS): Conditionally define.
* config/sh/sh.c (TARGET_HAVE_TLS): Conditionally define. (prepare_move_operands): Handle TLS operands. (tls_symbolic_operand): New. (nonpic_symbol_mentioned_p): Handle TLS UNSPECs. (legitimize_pic_address): Do nothing for the TLS symbol. (sh_encode_section_info): Handle TLS case. (sh_strip_name_encoding): Drop TLS encoding. * config/sh/sh-protos.h (tls_symbolic_operand): Add prototype. * config/sh/sh.h (SH_TLS_ENCODING): Define. (TLS_SYMNAME_P, STRIP_TLS_ENCODING): Likewise. (ASM_OUTPUT_LABELREF): Drop TLS encoding. (OUTPUT_ADDR_CONST_EXTRA): Handle TLS UNSPECs. * config/sh/sh.md: Define TLS UNSPEC constants. (type): Add tls_load. ("tls_global_dynamic", "tls_local_dynamic"): New insns. ("sym2DTPOFF", "symDTPOFF2reg", "sym2GOTTPOFF"): New expanders. ("tls_initial_exec"): New insn. ("sym2TPOFF", "symTPOFF2reg"): New expanders. ("load_gbr"): New insn. * configure.in (HAVE_AS_TLS): Add sh-*-* and sh[34]*-*-* cases. * configure: Regenerate. From-SVN: r63353
This commit is contained in:
parent
cf88ede3d2
commit
463f02cd03
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@ -1,3 +1,28 @@
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2003-02-24 Kaz Kojima <kkojima@gcc.gnu.org>
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* config/sh/sh.c (TARGET_HAVE_TLS): Conditionally define.
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(prepare_move_operands): Handle TLS operands.
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(tls_symbolic_operand): New.
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(nonpic_symbol_mentioned_p): Handle TLS UNSPECs.
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(legitimize_pic_address): Do nothing for the TLS symbol.
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(sh_encode_section_info): Handle TLS case.
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(sh_strip_name_encoding): Drop TLS encoding.
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* config/sh/sh-protos.h (tls_symbolic_operand): Add prototype.
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* config/sh/sh.h (SH_TLS_ENCODING): Define.
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(TLS_SYMNAME_P, STRIP_TLS_ENCODING): Likewise.
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(ASM_OUTPUT_LABELREF): Drop TLS encoding.
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(OUTPUT_ADDR_CONST_EXTRA): Handle TLS UNSPECs.
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* config/sh/sh.md: Define TLS UNSPEC constants.
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(type): Add tls_load.
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("tls_global_dynamic", "tls_local_dynamic"): New insns.
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("sym2DTPOFF", "symDTPOFF2reg", "sym2GOTTPOFF"): New expanders.
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("tls_initial_exec"): New insn.
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("sym2TPOFF", "symTPOFF2reg"): New expanders.
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("load_gbr"): New insn.
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* configure.in (HAVE_AS_TLS): Add sh-*-* and sh[34]*-*-* cases.
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* configure: Regenerate.
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2003-02-24 Alan Modra <amodra@bigpond.net.au>
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* calls.c (store_one_arg): Revert 1999-02-16 change. Revert
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@ -75,6 +75,7 @@ extern void fixup_addr_diff_vecs PARAMS ((rtx));
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extern int get_dest_uid PARAMS ((rtx, int));
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extern void final_prescan_insn PARAMS ((rtx, rtx *, int));
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extern int symbol_ref_operand PARAMS ((rtx, enum machine_mode));
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extern int tls_symbolic_operand PARAMS ((rtx, enum machine_mode));
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extern int system_reg_operand PARAMS ((rtx, enum machine_mode));
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extern int general_movsrc_operand PARAMS ((rtx, enum machine_mode));
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extern int general_movdst_operand PARAMS ((rtx, enum machine_mode));
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@ -280,6 +280,11 @@ static int sh_address_cost PARAMS ((rtx));
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#undef TARGET_ADDRESS_COST
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#define TARGET_ADDRESS_COST sh_address_cost
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#ifdef HAVE_AS_TLS
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#undef TARGET_HAVE_TLS
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#define TARGET_HAVE_TLS true
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#endif
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struct gcc_target targetm = TARGET_INITIALIZER;
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/* Print the operand address in x to the stream. */
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@ -708,7 +713,10 @@ prepare_move_operands (operands, mode)
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rtx operands[];
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enum machine_mode mode;
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{
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if ((mode == SImode || mode == DImode) && flag_pic)
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if ((mode == SImode || mode == DImode)
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&& flag_pic
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&& ! ((mode == Pmode || mode == ptr_mode)
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&& tls_symbolic_operand (operands[1], Pmode) != 0))
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{
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rtx temp;
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if (SYMBOLIC_CONST_P (operands[1]))
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@ -758,6 +766,73 @@ prepare_move_operands (operands, mode)
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operands[1] = copy_to_mode_reg (mode, operands[1]);
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}
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if (mode == Pmode || mode == ptr_mode)
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{
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rtx op0, op1;
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enum tls_model tls_kind;
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op0 = operands[0];
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op1 = operands[1];
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if ((tls_kind = tls_symbolic_operand (op1, Pmode)))
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{
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rtx tga_op1, tga_ret, tmp, tmp2;
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switch (tls_kind)
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{
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case TLS_MODEL_GLOBAL_DYNAMIC:
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tga_ret = gen_rtx_REG (Pmode, R0_REG);
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emit_insn (gen_tls_global_dynamic (tga_ret, op1));
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op1 = tga_ret;
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break;
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case TLS_MODEL_LOCAL_DYNAMIC:
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tga_ret = gen_rtx_REG (Pmode, R0_REG);
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emit_insn (gen_tls_local_dynamic (tga_ret, op1));
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tmp = gen_reg_rtx (Pmode);
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emit_move_insn (tmp, tga_ret);
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if (register_operand (op0, Pmode))
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tmp2 = op0;
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else
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tmp2 = gen_reg_rtx (Pmode);
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emit_insn (gen_symDTPOFF2reg (tmp2, op1, tmp));
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op1 = tmp2;
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break;
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case TLS_MODEL_INITIAL_EXEC:
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if (! flag_pic)
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emit_insn (gen_GOTaddr2picreg ());
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tga_op1 = gen_reg_rtx (Pmode);
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tmp = gen_sym2GOTTPOFF (op1);
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emit_insn (gen_tls_initial_exec (tga_op1, tmp));
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op1 = tga_op1;
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break;
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case TLS_MODEL_LOCAL_EXEC:
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tmp2 = gen_reg_rtx (Pmode);
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emit_insn (gen_load_gbr (tmp2));
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tmp = gen_reg_rtx (Pmode);
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emit_insn (gen_symTPOFF2reg (tmp, op1));
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RTX_UNCHANGING_P (tmp) = 1;
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if (register_operand (op0, Pmode))
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op1 = op0;
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else
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op1 = gen_reg_rtx (Pmode);
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emit_insn (gen_addsi3 (op1, tmp, tmp2));
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break;
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default:
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abort ();
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}
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operands[1] = op1;
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}
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}
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return 0;
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}
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@ -6429,6 +6504,36 @@ symbol_ref_operand (op, mode)
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return (GET_CODE (op) == SYMBOL_REF);
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}
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/* Return the TLS type for TLS symbols, 0 for otherwise. */
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int
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tls_symbolic_operand (op, mode)
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rtx op;
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enum machine_mode mode ATTRIBUTE_UNUSED;
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{
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const char *str;
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if (GET_CODE (op) != SYMBOL_REF)
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return 0;
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str = XSTR (op, 0);
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STRIP_DATALABEL_ENCODING(str, str);
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if (! TLS_SYMNAME_P (str))
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return 0;
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switch (str[1])
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{
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case 'G':
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return TLS_MODEL_GLOBAL_DYNAMIC;
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case 'L':
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return TLS_MODEL_LOCAL_DYNAMIC;
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case 'i':
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return TLS_MODEL_INITIAL_EXEC;
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case 'l':
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return TLS_MODEL_LOCAL_EXEC;
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}
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return 0;
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}
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int
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commutative_float_operator (op, mode)
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rtx op;
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@ -7174,6 +7279,8 @@ nonpic_symbol_mentioned_p (x)
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|| XINT (x, 1) == UNSPEC_GOT
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|| XINT (x, 1) == UNSPEC_GOTOFF
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|| XINT (x, 1) == UNSPEC_GOTPLT
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|| XINT (x, 1) == UNSPEC_GOTTPOFF
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|| XINT (x, 1) == UNSPEC_DTPOFF
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|| XINT (x, 1) == UNSPEC_PLT))
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return 0;
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@ -7203,6 +7310,9 @@ legitimize_pic_address (orig, mode, reg)
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enum machine_mode mode ATTRIBUTE_UNUSED;
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rtx reg;
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{
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if (tls_symbolic_operand (orig, Pmode))
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return orig;
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if (GET_CODE (orig) == LABEL_REF
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|| (GET_CODE (orig) == SYMBOL_REF
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&& (CONSTANT_POOL_ADDRESS_P (orig)
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@ -7555,6 +7665,60 @@ sh_encode_section_info (decl, first)
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if (flag_pic)
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SYMBOL_REF_FLAG (symbol) = (*targetm.binds_local_p) (decl);
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if (TREE_CODE (decl) == VAR_DECL && DECL_THREAD_LOCAL (decl))
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{
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const char *symbol_str, *orig_str;
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bool is_local;
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enum tls_model kind;
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char encoding;
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char *newstr;
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size_t len, dlen;
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orig_str = XSTR (symbol, 0);
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is_local = (*targetm.binds_local_p) (decl);
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if (! flag_pic)
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{
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if (is_local)
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kind = TLS_MODEL_LOCAL_EXEC;
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else
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kind = TLS_MODEL_INITIAL_EXEC;
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}
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else if (is_local)
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kind = TLS_MODEL_LOCAL_DYNAMIC;
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else
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kind = TLS_MODEL_GLOBAL_DYNAMIC;
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if (kind < flag_tls_default)
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kind = flag_tls_default;
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STRIP_DATALABEL_ENCODING (symbol_str, orig_str);
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dlen = symbol_str - orig_str;
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encoding = " GLil"[kind];
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if (TLS_SYMNAME_P (symbol_str))
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{
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if (encoding == symbol_str[1])
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return;
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/* Handle the changes from initial-exec to local-exec and
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from global-dynamic to local-dynamic. */
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if ((encoding == 'l' && symbol_str[1] == 'i')
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|| (encoding == 'L' && symbol_str[1] == 'G'))
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symbol_str += 2;
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else
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abort ();
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}
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len = strlen (symbol_str);
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newstr = alloca (dlen + len + 3);
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if (dlen)
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memcpy (newstr, orig_str, dlen);
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newstr[dlen + 0] = SH_TLS_ENCODING[0];
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newstr[dlen + 1] = encoding;
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memcpy (newstr + dlen + 2, symbol_str, len + 1);
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XSTR (symbol, 0) = ggc_alloc_string (newstr, dlen + len + 2);
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}
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if (TARGET_SH5 && first && TREE_CODE (decl) != FUNCTION_DECL)
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XEXP (rtl, 0) = gen_datalabel_ref (symbol);
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}
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@ -7566,6 +7730,7 @@ sh_strip_name_encoding (str)
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const char *str;
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{
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STRIP_DATALABEL_ENCODING (str, str);
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STRIP_TLS_ENCODING (str, str);
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str += *str == '*';
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return str;
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}
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@ -2752,6 +2752,20 @@ while (0)
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((GET_CODE (X) == SYMBOL_REF || GET_CODE (X) == LABEL_REF) \
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&& nonpic_symbol_mentioned_p (X))
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/* TLS. */
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/* The prefix used to mark SYMBOL_REFs that refer to TLS symbols. */
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#define SH_TLS_ENCODING "@"
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/* Return true if SYM_NAME starts with SH_TLS_ENCODING. */
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#define TLS_SYMNAME_P(SYM_NAME) \
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((SYM_NAME)[0] == SH_TLS_ENCODING[0])
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/* Skip an optional SH_TLS_ENCODING in the beginning of SYM_NAME. */
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#define STRIP_TLS_ENCODING(VAR, SYM_NAME) \
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(VAR) = (SYM_NAME) + (TLS_SYMNAME_P (SYM_NAME) \
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? strlen (SH_TLS_ENCODING) + 1 : 0)
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/* Compute extra cost of moving data between one register class
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and another. */
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|
@ -2915,6 +2929,7 @@ while (0)
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const char * lname; \
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\
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STRIP_DATALABEL_ENCODING (lname, (NAME)); \
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STRIP_TLS_ENCODING (lname, lname); \
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if (lname[0] == '*') \
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fputs (lname + 1, (FILE)); \
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else \
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|
@ -3053,6 +3068,18 @@ while (0)
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output_addr_const ((STREAM), XVECEXP ((X), 0, 0)); \
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fputs ("@GOTPLT", (STREAM)); \
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break; \
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case UNSPEC_DTPOFF: \
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output_addr_const ((STREAM), XVECEXP ((X), 0, 0)); \
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fputs ("@DTPOFF", (STREAM)); \
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break; \
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case UNSPEC_GOTTPOFF: \
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output_addr_const ((STREAM), XVECEXP ((X), 0, 0)); \
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fputs ("@GOTTPOFF", (STREAM)); \
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break; \
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case UNSPEC_TPOFF: \
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output_addr_const ((STREAM), XVECEXP ((X), 0, 0)); \
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fputs ("@TPOFF", (STREAM)); \
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break; \
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case UNSPEC_CALLER: \
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{ \
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char name[32]; \
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|
|
|
@ -136,6 +136,12 @@
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(UNSPEC_NSB 17)
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(UNSPEC_ALLOCO 18)
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(UNSPEC_EH_RETURN 19)
|
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(UNSPEC_TLSGD 20)
|
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(UNSPEC_TLSLDM 21)
|
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(UNSPEC_TLSIE 22)
|
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(UNSPEC_DTPOFF 23)
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(UNSPEC_GOTTPOFF 24)
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(UNSPEC_TPOFF 25)
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;; These are used with unspec_volatile.
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(UNSPECV_BLOCKAGE 0)
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|
@ -211,6 +217,7 @@
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;; ftrc_s fix_truncsfsi2_i4
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;; dfdiv double precision floating point divide (or square root)
|
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;; cwb ic_invalidate_line_i
|
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;; tls_load load TLS related address
|
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;; arith_media SHmedia arithmetic, logical, and shift instructions
|
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;; cbranch_media SHmedia conditional branch instructions
|
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;; cmp_media SHmedia compare instructions
|
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|
@ -241,7 +248,7 @@
|
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;; nil no-op move, will be deleted.
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|
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(define_attr "type"
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"mt_group,cbranch,jump,jump_ind,arith,arith3,arith3b,dyn_shift,load,load_si,fload,store,move,fmove,smpy,dmpy,return,pload,prset,pstore,prget,pcload,pcload_si,pcfload,rte,sfunc,call,fp,fdiv,ftrc_s,dfp_arith,dfp_cmp,dfp_conv,dfdiv,gp_fpul,fpul_gp,mac_gp,mem_fpscr,gp_fpscr,cwb,arith_media,cbranch_media,cmp_media,dfdiv_media,dfmul_media,dfparith_media,dfpconv_media,dmpy_media,fcmp_media,fdiv_media,fload_media,fmove_media,fparith_media,fpconv_media,fstore_media,gettr_media,invalidate_line_media,jump_media,load_media,pt_media,ptabs_media,store_media,mcmp_media,mac_media,d2mpy_media,atrans_media,ustore_media,nil,other"
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"mt_group,cbranch,jump,jump_ind,arith,arith3,arith3b,dyn_shift,load,load_si,fload,store,move,fmove,smpy,dmpy,return,pload,prset,pstore,prget,pcload,pcload_si,pcfload,rte,sfunc,call,fp,fdiv,ftrc_s,dfp_arith,dfp_cmp,dfp_conv,dfdiv,gp_fpul,fpul_gp,mac_gp,mem_fpscr,gp_fpscr,cwb,tls_load,arith_media,cbranch_media,cmp_media,dfdiv_media,dfmul_media,dfparith_media,dfpconv_media,dmpy_media,fcmp_media,fdiv_media,fload_media,fmove_media,fparith_media,fpconv_media,fstore_media,gettr_media,invalidate_line_media,jump_media,load_media,pt_media,ptabs_media,store_media,mcmp_media,mac_media,d2mpy_media,atrans_media,ustore_media,nil,other"
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(const_string "other"))
|
||||
|
||||
;; We define a new attribute namely "insn_class".We use
|
||||
|
@ -6801,6 +6808,142 @@
|
|||
""
|
||||
"")
|
||||
|
||||
;; TLS code generation.
|
||||
;; ??? this should be a define_insn_and_split
|
||||
;; See the thread [PATCH/RFA] SH TLS support on gcc-patches
|
||||
;; <http://gcc.gnu.org/ml/gcc-patches/2003-02/msg01898.html>
|
||||
;; for details.
|
||||
|
||||
(define_insn "tls_global_dynamic"
|
||||
[(set (match_operand:SI 0 "register_operand" "=&z")
|
||||
(unspec:SI [(match_operand:SI 1 "" "")]
|
||||
UNSPEC_TLSGD))
|
||||
(use (reg:PSI FPSCR_REG))
|
||||
(use (reg:SI PIC_REG))
|
||||
(clobber (reg:SI PR_REG))
|
||||
(clobber (scratch:SI))]
|
||||
"TARGET_SH1"
|
||||
"*
|
||||
{
|
||||
return \"\\
|
||||
mov.l\\t1f,r4\\n\\
|
||||
\\tmova\\t2f,r0\\n\\
|
||||
\\tmov.l\\t2f,r1\\n\\
|
||||
\\tadd\\tr0,r1\\n\\
|
||||
\\tjsr\\t@r1\\n\\
|
||||
\\tadd\\tr12,r4\\n\\
|
||||
\\tbra\\t3f\\n\\
|
||||
\\tnop\\n\\
|
||||
\\t.align\\t2\\n\\
|
||||
1:\\t.long\\t%a1@TLSGD\\n\\
|
||||
2:\\t.long\\t__tls_get_addr@PLT\\n\\
|
||||
3:\";
|
||||
}"
|
||||
[(set_attr "type" "tls_load")
|
||||
(set_attr "length" "26")])
|
||||
|
||||
(define_insn "tls_local_dynamic"
|
||||
[(set (match_operand:SI 0 "register_operand" "=&z")
|
||||
(unspec:SI [(match_operand:SI 1 "" "")]
|
||||
UNSPEC_TLSLDM))
|
||||
(use (reg:PSI FPSCR_REG))
|
||||
(use (reg:SI PIC_REG))
|
||||
(clobber (reg:SI PR_REG))
|
||||
(clobber (scratch:SI))]
|
||||
"TARGET_SH1"
|
||||
"*
|
||||
{
|
||||
return \"\\
|
||||
mov.l\\t1f,r4\\n\\
|
||||
\\tmova\\t2f,r0\\n\\
|
||||
\\tmov.l\\t2f,r1\\n\\
|
||||
\\tadd\\tr0,r1\\n\\
|
||||
\\tjsr\\t@r1\\n\\
|
||||
\\tadd\\tr12,r4\\n\\
|
||||
\\tbra\\t3f\\n\\
|
||||
\\tnop\\n\\
|
||||
\\t.align\\t2\\n\\
|
||||
1:\\t.long\\t%a1@TLSLDM\\n\\
|
||||
2:\\t.long\\t__tls_get_addr@PLT\\n\\
|
||||
3:\";
|
||||
}"
|
||||
[(set_attr "type" "tls_load")
|
||||
(set_attr "length" "26")])
|
||||
|
||||
(define_expand "sym2DTPOFF"
|
||||
[(const (unspec [(match_operand 0 "" "")] UNSPEC_DTPOFF))]
|
||||
""
|
||||
"")
|
||||
|
||||
(define_expand "symDTPOFF2reg"
|
||||
[(match_operand 0 "" "") (match_operand 1 "" "") (match_operand 2 "" "")]
|
||||
""
|
||||
"
|
||||
{
|
||||
rtx dtpoffsym, insn;
|
||||
rtx t = no_new_pseudos ? operands[0] : gen_reg_rtx (GET_MODE (operands[0]));
|
||||
|
||||
dtpoffsym = gen_sym2DTPOFF (operands[1]);
|
||||
PUT_MODE (dtpoffsym, Pmode);
|
||||
emit_move_insn (t, dtpoffsym);
|
||||
insn = emit_move_insn (operands[0],
|
||||
gen_rtx_PLUS (Pmode, t, operands[2]));
|
||||
DONE;
|
||||
}")
|
||||
|
||||
(define_expand "sym2GOTTPOFF"
|
||||
[(const (unspec [(match_operand 0 "" "")] UNSPEC_GOTTPOFF))]
|
||||
""
|
||||
"")
|
||||
|
||||
(define_insn "tls_initial_exec"
|
||||
[(set (match_operand:SI 0 "register_operand" "=&r")
|
||||
(unspec:SI [(match_operand:SI 1 "" "")]
|
||||
UNSPEC_TLSIE))
|
||||
(use (reg:SI GBR_REG))
|
||||
(use (reg:SI PIC_REG))
|
||||
(clobber (reg:SI R0_REG))]
|
||||
""
|
||||
"*
|
||||
{
|
||||
return \"\\
|
||||
mov.l\\t1f,r0\\n\\
|
||||
\\tstc\\tgbr,%0\\n\\
|
||||
\\tmov.l\\t@(r0,r12),r0\\n\\
|
||||
\\tbra\\t2f\\n\\
|
||||
\\tadd\\tr0,%0\\n\\
|
||||
\\t.align\\t2\\n\\
|
||||
1:\\t.long\\t%a1\\n\\
|
||||
2:\";
|
||||
}"
|
||||
[(set_attr "type" "tls_load")
|
||||
(set_attr "length" "16")])
|
||||
|
||||
(define_expand "sym2TPOFF"
|
||||
[(const (unspec [(match_operand 0 "" "")] UNSPEC_TPOFF))]
|
||||
""
|
||||
"")
|
||||
|
||||
(define_expand "symTPOFF2reg"
|
||||
[(match_operand 0 "" "") (match_operand 1 "" "")]
|
||||
""
|
||||
"
|
||||
{
|
||||
rtx tpoffsym, insn;
|
||||
|
||||
tpoffsym = gen_sym2TPOFF (operands[1]);
|
||||
PUT_MODE (tpoffsym, Pmode);
|
||||
insn = emit_move_insn (operands[0], tpoffsym);
|
||||
DONE;
|
||||
}")
|
||||
|
||||
(define_insn "load_gbr"
|
||||
[(set (match_operand:SI 0 "register_operand" "") (reg:SI GBR_REG))
|
||||
(use (reg:SI GBR_REG))]
|
||||
""
|
||||
"stc gbr,%0"
|
||||
[(set_attr "type" "tls_load")])
|
||||
|
||||
;; case instruction for switch statements.
|
||||
|
||||
;; Operand 0 is index
|
||||
|
|
Loading…
Reference in New Issue