configure.ac (hppa*-*-linux*): Check for a TLS capable gas.
* configure.ac (hppa*-*-linux*: Check for a TLS capable gas. * configure: Regenerate. * config/pa/pa-protos.h (tls_symbolic_operand): Declare. (pa_tls_referenced_p): Declare. * config/pa/pa.c (legitimize_pic_address): Reject TLS operands. (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New. (legitimize_tls_address): New. (hppa_legitimize_address): Handle TLS addresses. (pa_tls_symbol_ref_1, pa_tls_referenced_p): New. (TARGET_CANNOT_FORCE_CONST_MEM): Define. (emit_move_sequence): Handle TLS addresses. (pa_encode_section_info): Call default handler to handle common sections. * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New. (CONSTANT_ADDRESS_P): Reject TLS operands. (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define. * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM) (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE) (UNSPEC_TLSLE): Define new constants. (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New. * config/pa/predicates.md (symbolic_operand): Reject TLS operands. (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand) (tie_symbolic_operand, tle_symbolic_operand): New From-SVN: r101648
This commit is contained in:
Randolph Chung
John David Anglin
parent
f04f1d2c63
commit
51076f9604
8 changed files with 335 additions and 5 deletions
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@ -1,3 +1,29 @@
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2005-07-05 Randolph Chung <tausq@debian.org>
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* configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
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* configure: Regenerate.
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* config/pa/pa-protos.h (tls_symbolic_operand): Declare.
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(pa_tls_referenced_p): Declare.
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* config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
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(gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
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(legitimize_tls_address): New.
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(hppa_legitimize_address): Handle TLS addresses.
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(pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
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(TARGET_CANNOT_FORCE_CONST_MEM): Define.
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(emit_move_sequence): Handle TLS addresses.
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(pa_encode_section_info): Call default handler to handle common
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sections.
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* config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
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(CONSTANT_ADDRESS_P): Reject TLS operands.
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(TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
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* config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
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(UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
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(UNSPEC_TLSLE): Define new constants.
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(tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
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* config/pa/predicates.md (symbolic_operand): Reject TLS operands.
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(tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
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(tie_symbolic_operand, tle_symbolic_operand): New
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2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
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* aclocal.m4: Update macros for autoconf 2.59 style.
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@ -22,6 +22,7 @@ Boston, MA 02110-1301, USA. */
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#ifdef RTX_CODE
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/* Prototype function used in various macros. */
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extern int symbolic_operand (rtx, enum machine_mode);
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extern int tls_symbolic_operand (rtx);
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/* Used in insn-*.c. */
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extern int following_call (rtx);
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@ -67,6 +68,7 @@ extern int adddi3_operand (rtx, enum machine_mode);
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extern int indexed_memory_operand (rtx, enum machine_mode);
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extern int symbolic_expression_p (rtx);
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extern int symbolic_memory_operand (rtx, enum machine_mode);
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extern bool pa_tls_referenced_p (rtx);
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extern int pa_adjust_insn_length (rtx, int);
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extern int int11_operand (rtx, enum machine_mode);
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extern int reg_or_cint_move_operand (rtx, enum machine_mode);
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@ -292,6 +292,9 @@ static size_t n_deferred_plabels = 0;
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#undef TARGET_SCALAR_MODE_SUPPORTED_P
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#define TARGET_SCALAR_MODE_SUPPORTED_P pa_scalar_mode_supported_p
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#undef TARGET_CANNOT_FORCE_CONST_MEM
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#define TARGET_CANNOT_FORCE_CONST_MEM pa_tls_referenced_p
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struct gcc_target targetm = TARGET_INITIALIZER;
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/* Parse the -mfixed-range= option string. */
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@ -595,6 +598,9 @@ legitimize_pic_address (rtx orig, enum machine_mode mode, rtx reg)
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{
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rtx pic_ref = orig;
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if (PA_SYMBOL_REF_TLS_P (orig))
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abort();
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/* Labels need special handling. */
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if (pic_label_operand (orig, mode))
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{
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@ -671,6 +677,80 @@ legitimize_pic_address (rtx orig, enum machine_mode mode, rtx reg)
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return pic_ref;
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}
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static GTY(()) rtx gen_tls_tga;
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static rtx
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gen_tls_get_addr (void)
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{
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if (!gen_tls_tga)
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gen_tls_tga = init_one_libfunc ("__tls_get_addr");
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return gen_tls_tga;
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}
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static rtx
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hppa_tls_call (rtx arg)
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{
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rtx ret;
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ret = gen_reg_rtx (Pmode);
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emit_library_call_value (gen_tls_get_addr (), ret,
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LCT_CONST, Pmode, 1, arg, Pmode);
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return ret;
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}
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static rtx
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legitimize_tls_address (rtx addr)
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{
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rtx ret, insn, tmp, t1, t2, tp;
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enum tls_model model = SYMBOL_REF_TLS_MODEL (addr);
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switch (model)
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{
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case TLS_MODEL_GLOBAL_DYNAMIC:
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tmp = gen_reg_rtx (Pmode);
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emit_insn (gen_tgd_load (tmp, addr));
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ret = hppa_tls_call (tmp);
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break;
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case TLS_MODEL_LOCAL_DYNAMIC:
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ret = gen_reg_rtx (Pmode);
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tmp = gen_reg_rtx (Pmode);
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start_sequence ();
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emit_insn (gen_tld_load (tmp, addr));
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t1 = hppa_tls_call (tmp);
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insn = get_insns ();
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end_sequence ();
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t2 = gen_reg_rtx (Pmode);
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emit_libcall_block (insn, t2, t1,
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gen_rtx_UNSPEC (Pmode, gen_rtvec (1, const0_rtx),
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UNSPEC_TLSLDBASE));
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emit_insn (gen_tld_offset_load (ret, addr, t2));
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break;
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case TLS_MODEL_INITIAL_EXEC:
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tp = gen_reg_rtx (Pmode);
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tmp = gen_reg_rtx (Pmode);
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ret = gen_reg_rtx (Pmode);
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emit_insn (gen_tp_load (tp));
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emit_insn (gen_tie_load (tmp, addr));
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emit_move_insn (ret, gen_rtx_PLUS (Pmode, tp, tmp));
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break;
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case TLS_MODEL_LOCAL_EXEC:
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tp = gen_reg_rtx (Pmode);
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ret = gen_reg_rtx (Pmode);
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emit_insn (gen_tp_load (tp));
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emit_insn (gen_tle_load (ret, addr, tp));
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break;
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default:
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abort();
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}
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return ret;
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}
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/* Try machine-dependent ways of modifying an illegitimate address
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to be legitimate. If we find one, return the new, valid address.
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This macro is used in only one place: `memory_address' in explow.c.
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@ -740,7 +820,9 @@ hppa_legitimize_address (rtx x, rtx oldx ATTRIBUTE_UNUSED,
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&& !REG_POINTER (XEXP (x, 1)))
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return gen_rtx_PLUS (Pmode, XEXP (x, 1), XEXP (x, 0));
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if (flag_pic)
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if (PA_SYMBOL_REF_TLS_P (x))
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return legitimize_tls_address (x);
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else if (flag_pic)
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return legitimize_pic_address (x, mode, gen_reg_rtx (Pmode));
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/* Strip off CONST. */
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@ -1190,6 +1272,25 @@ force_mode (enum machine_mode mode, rtx orig)
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return gen_rtx_REG (mode, REGNO (orig));
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}
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/* Return 1 if *X is a thread-local symbol. */
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static int
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pa_tls_symbol_ref_1 (rtx *x, void *data ATTRIBUTE_UNUSED)
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{
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return PA_SYMBOL_REF_TLS_P (*x);
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}
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/* Return 1 if X contains a thread-local symbol. */
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bool
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pa_tls_referenced_p (rtx x)
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{
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if (!TARGET_HAVE_TLS)
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return false;
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return for_each_rtx (&x, &pa_tls_symbol_ref_1, 0);
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}
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/* Emit insns to move operands[1] into operands[0].
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Return 1 if we have written out everything that needs to be done to
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@ -1707,6 +1808,26 @@ emit_move_sequence (rtx *operands, enum machine_mode mode, rtx scratch_reg)
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}
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return 1;
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}
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else if (pa_tls_referenced_p (operand1))
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{
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rtx tmp = operand1;
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rtx addend = NULL;
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if (GET_CODE (tmp) == CONST && GET_CODE (XEXP (tmp, 0)) == PLUS)
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{
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addend = XEXP (XEXP (tmp, 0), 1);
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tmp = XEXP (XEXP (tmp, 0), 0);
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}
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gcc_assert (GET_CODE (tmp) == SYMBOL_REF);
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tmp = legitimize_tls_address (tmp);
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if (addend)
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{
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tmp = gen_rtx_PLUS (mode, tmp, addend);
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tmp = force_operand (tmp, operands[0]);
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}
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operands[1] = tmp;
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}
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else if (GET_CODE (operand1) != CONST_INT
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|| !cint_ok_for_move (INTVAL (operand1)))
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{
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@ -7371,6 +7492,8 @@ hppa_encode_label (rtx sym)
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static void
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pa_encode_section_info (tree decl, rtx rtl, int first)
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{
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default_encode_section_info (decl, rtl, first);
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if (first && TEXT_SPACE_P (decl))
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{
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SYMBOL_REF_FLAG (XEXP (rtl, 0)) = 1;
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@ -1003,13 +1003,18 @@ extern int may_call_alloca;
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#define MAX_REGS_PER_ADDRESS 2
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/* Non-TLS symbolic references. */
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#define PA_SYMBOL_REF_TLS_P(RTX) \
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(GET_CODE (RTX) == SYMBOL_REF && SYMBOL_REF_TLS_MODEL (RTX) != 0)
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/* Recognize any constant value that is a valid address except
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for symbolic addresses. We get better CSE by rejecting them
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here and allowing hppa_legitimize_address to break them up. We
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use most of the constants accepted by CONSTANT_P, except CONST_DOUBLE. */
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#define CONSTANT_ADDRESS_P(X) \
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((GET_CODE (X) == LABEL_REF || GET_CODE (X) == SYMBOL_REF \
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((GET_CODE (X) == LABEL_REF \
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|| (GET_CODE (X) == SYMBOL_REF && !SYMBOL_REF_TLS_MODEL (X)) \
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|| GET_CODE (X) == CONST_INT || GET_CODE (X) == CONST \
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|| GET_CODE (X) == HIGH) \
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&& (reload_in_progress || reload_completed || ! symbolic_expression_p (X)))
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@ -1919,3 +1924,8 @@ forget_section (void) \
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/* We need a libcall to canonicalize function pointers on TARGET_ELF32. */
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#define CANONICALIZE_FUNCPTR_FOR_COMPARE_LIBCALL \
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"__canonicalize_funcptr_for_compare"
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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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@ -32,6 +32,13 @@
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[(UNSPEC_CFFC 0) ; canonicalize_funcptr_for_compare
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(UNSPEC_GOTO 1) ; indirect_goto
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(UNSPEC_DLTIND14R 2) ;
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(UNSPEC_TP 3)
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(UNSPEC_TLSGD 4)
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(UNSPEC_TLSLDM 5)
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(UNSPEC_TLSLDO 6)
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(UNSPEC_TLSLDBASE 7)
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(UNSPEC_TLSIE 8)
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(UNSPEC_TLSLE 9)
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])
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;; UNSPEC_VOLATILE:
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@ -9347,3 +9354,83 @@ add,l %2,%3,%3\;bv,n %%r0(%3)"
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}
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[(set_attr "type" "load")
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(set_attr "length" "4")])
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;; TLS Support
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(define_insn "tgd_load"
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[(set (match_operand:SI 0 "register_operand" "=r")
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(unspec:SI [(match_operand 1 "tgd_symbolic_operand" "")] UNSPEC_TLSGD))
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(clobber (reg:SI 1))]
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""
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"*
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{
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if (flag_pic)
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return \"addil LT'%1-$tls_gdidx$,%%r19\;ldo RT'%1-$tls_gdidx$(%%r1),%0\";
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else
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return \"addil LR'%1-$tls_gdidx$,%%r27\;ldo RR'%1-$tls_gdidx$(%%r1),%0\";
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}"
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[(set_attr "type" "multi")
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(set_attr "length" "8")])
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(define_insn "tld_load"
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[(set (match_operand:SI 0 "register_operand" "=r")
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(unspec:SI [(match_operand 1 "tld_symbolic_operand" "")] UNSPEC_TLSLDM))
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(clobber (reg:SI 1))]
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""
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"*
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{
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if (flag_pic)
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return \"addil LT'%1-$tls_ldidx$,%%r19\;ldo RT'%1-$tls_ldidx$(%%r1),%0\";
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else
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return \"addil LR'%1-$tls_ldidx$,%%r27\;ldo RR'%1-$tls_ldidx$(%%r1),%0\";
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}"
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[(set_attr "type" "multi")
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(set_attr "length" "8")])
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(define_insn "tld_offset_load"
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[(set (match_operand:SI 0 "register_operand" "=r")
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(plus:SI (unspec:SI [(match_operand 1 "tld_symbolic_operand" "")]
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UNSPEC_TLSLDO)
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(match_operand:SI 2 "register_operand" "r")))
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(clobber (reg:SI 1))]
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""
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"*
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{
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return \"addil LR'%1-$tls_dtpoff$,%2\;ldo RR'%1-$tls_dtpoff$(%%r1),%0\";
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}"
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[(set_attr "type" "multi")
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(set_attr "length" "8")])
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(define_insn "tp_load"
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[(set (match_operand:SI 0 "register_operand" "=r")
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(unspec:SI [(const_int 0)] UNSPEC_TP))]
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""
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"{mfctl|mfctl,w} %%cr27,%0"
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[(set_attr "type" "multi")
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(set_attr "length" "4")])
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(define_insn "tie_load"
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[(set (match_operand:SI 0 "register_operand" "=r")
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(unspec:SI [(match_operand 1 "tie_symbolic_operand" "")] UNSPEC_TLSIE))
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(clobber (reg:SI 1))]
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""
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"*
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{
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if (flag_pic)
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return \"addil LT'%1-$tls_ieoff$,%%r19\;ldw RT'%1-$tls_ieoff$(%%r1),%0\";
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else
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return \"addil LR'%1-$tls_ieoff$,%%r27\;ldw RR'%1-$tls_ieoff$(%%r1),%0\";
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}"
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[(set_attr "type" "multi")
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(set_attr "length" "8")])
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(define_insn "tle_load"
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[(set (match_operand:SI 0 "register_operand" "=r")
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(plus:SI (unspec:SI [(match_operand 1 "tle_symbolic_operand" "")]
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UNSPEC_TLSLE)
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(match_operand:SI 2 "register_operand" "r")))
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(clobber (reg:SI 1))]
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""
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"addil LR'%1-$tls_leoff$,%2\;ldo RR'%1-$tls_leoff$(%%r1),%0"
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[(set_attr "type" "multi")
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(set_attr "length" "8")])
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|
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@ -68,11 +68,13 @@
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switch (GET_CODE (op))
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{
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case SYMBOL_REF:
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return !SYMBOL_REF_TLS_MODEL (op);
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case LABEL_REF:
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return 1;
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case CONST:
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op = XEXP (op, 0);
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return ((GET_CODE (XEXP (op, 0)) == SYMBOL_REF
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return (((GET_CODE (XEXP (op, 0)) == SYMBOL_REF
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&& !SYMBOL_REF_TLS_MODEL (XEXP (op, 0)))
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|| GET_CODE (XEXP (op, 0)) == LABEL_REF)
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&& GET_CODE (XEXP (op, 1)) == CONST_INT);
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default:
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@ -91,10 +93,32 @@
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if (GET_CODE (op) != MEM)
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return 0;
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op = XEXP (op, 0);
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return (GET_CODE (op) == SYMBOL_REF || GET_CODE (op) == CONST
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|| GET_CODE (op) == HIGH || GET_CODE (op) == LABEL_REF);
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return ((GET_CODE (op) == SYMBOL_REF && !SYMBOL_REF_TLS_MODEL (op))
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|| GET_CODE (op) == CONST || GET_CODE (op) == HIGH
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|| GET_CODE (op) == LABEL_REF);
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})
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;; Return true if OP is a symbolic operand for the TLS Global Dynamic model.
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(define_predicate "tgd_symbolic_operand"
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(and (match_code "symbol_ref")
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(match_test "SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_GLOBAL_DYNAMIC")))
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;; Return true if OP is a symbolic operand for the TLS Local Dynamic model.
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(define_predicate "tld_symbolic_operand"
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(and (match_code "symbol_ref")
|
||||
(match_test "SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_LOCAL_DYNAMIC")))
|
||||
|
||||
;; Return true if OP is a symbolic operand for the TLS Initial Exec model.
|
||||
(define_predicate "tie_symbolic_operand"
|
||||
(and (match_code "symbol_ref")
|
||||
(match_test "SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_INITIAL_EXEC")))
|
||||
|
||||
;; Return true if OP is a symbolic operand for the TLS Local Exec model.
|
||||
(define_predicate "tle_symbolic_operand"
|
||||
(and (match_code "symbol_ref")
|
||||
(match_test "SYMBOL_REF_TLS_MODEL (op) == TLS_MODEL_LOCAL_EXEC")))
|
||||
|
||||
|
||||
;; Return 1 if the operand is a register operand or a non-symbolic
|
||||
;; memory operand after reload. This predicate is used for branch
|
||||
;; patterns that internally handle register reloading. We need to
|
||||
|
|
|
|||
29
gcc/configure
vendored
29
gcc/configure
vendored
|
|
@ -14015,6 +14015,35 @@ x: .long 25
|
|||
tls_first_major=2
|
||||
tls_first_minor=14
|
||||
;;
|
||||
hppa*-*-linux*)
|
||||
conftest_s='
|
||||
t1: .reg %r20
|
||||
t2: .reg %r21
|
||||
gp: .reg %r19
|
||||
.section ".tdata","awT",@progbits
|
||||
foo: .long 25
|
||||
.text
|
||||
.align 4
|
||||
addil LT%foo-$tls_gdidx$,gp
|
||||
ldo RT%foo-$tls_gdidx$(%r1),%arg0
|
||||
b __tls_get_addr
|
||||
nop
|
||||
addil LT%foo-$tls_ldidx$,gp
|
||||
b __tls_get_addr
|
||||
ldo RT%foo-$tls_ldidx$(%r1),%arg0
|
||||
addil LR%foo-$tls_dtpoff$,%ret0
|
||||
ldo RR%foo-$tls_dtpoff$(%r1),%t1
|
||||
mfctl %cr27,%t1
|
||||
addil LT%foo-$tls_ieoff$,gp
|
||||
ldw RT%foo-$tls_ieoff$(%r1),%t2
|
||||
add %t1,%t2,%t3
|
||||
mfctl %cr27,%t1
|
||||
addil LR%foo-$tls_leoff$,%t1
|
||||
ldo RR%foo-$tls_leoff$(%r1),%t2'
|
||||
tls_first_major=2
|
||||
tls_first_minor=15
|
||||
tls_as_opt=--fatal-warnings
|
||||
;;
|
||||
i[34567]86-*-*)
|
||||
conftest_s='
|
||||
.section ".tdata","awT",@progbits
|
||||
|
|
|
|||
|
|
@ -2189,6 +2189,35 @@ x: .long 25
|
|||
tls_first_major=2
|
||||
tls_first_minor=14
|
||||
;;
|
||||
hppa*-*-linux*)
|
||||
conftest_s='
|
||||
t1: .reg %r20
|
||||
t2: .reg %r21
|
||||
gp: .reg %r19
|
||||
.section ".tdata","awT",@progbits
|
||||
foo: .long 25
|
||||
.text
|
||||
.align 4
|
||||
addil LT%foo-$tls_gdidx$,gp
|
||||
ldo RT%foo-$tls_gdidx$(%r1),%arg0
|
||||
b __tls_get_addr
|
||||
nop
|
||||
addil LT%foo-$tls_ldidx$,gp
|
||||
b __tls_get_addr
|
||||
ldo RT%foo-$tls_ldidx$(%r1),%arg0
|
||||
addil LR%foo-$tls_dtpoff$,%ret0
|
||||
ldo RR%foo-$tls_dtpoff$(%r1),%t1
|
||||
mfctl %cr27,%t1
|
||||
addil LT%foo-$tls_ieoff$,gp
|
||||
ldw RT%foo-$tls_ieoff$(%r1),%t2
|
||||
add %t1,%t2,%t3
|
||||
mfctl %cr27,%t1
|
||||
addil LR%foo-$tls_leoff$,%t1
|
||||
ldo RR%foo-$tls_leoff$(%r1),%t2'
|
||||
tls_first_major=2
|
||||
tls_first_minor=15
|
||||
tls_as_opt=--fatal-warnings
|
||||
;;
|
||||
i[34567]86-*-*)
|
||||
conftest_s='
|
||||
.section ".tdata","awT",@progbits
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue