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Diffstat (limited to 'gcc-4.9/gcc/config/rs6000/darwin.md')
| -rw-r--r-- | gcc-4.9/gcc/config/rs6000/darwin.md | 480 |
1 files changed, 480 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/config/rs6000/darwin.md b/gcc-4.9/gcc/config/rs6000/darwin.md new file mode 100644 index 000000000..8b816b7a8 --- /dev/null +++ b/gcc-4.9/gcc/config/rs6000/darwin.md @@ -0,0 +1,480 @@ +/* Machine description patterns for PowerPC running Darwin (Mac OS X). + Copyright (C) 2004-2014 Free Software Foundation, Inc. + Contributed by Apple Computer Inc. + +This file is part of GCC. + +GNU CC is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 3, or (at your option) +any later version. + +GNU CC is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +;; along with GCC; see the file COPYING3. If not see +;; <http://www.gnu.org/licenses/>. */ + +(define_insn "adddi3_high" + [(set (match_operand:DI 0 "gpc_reg_operand" "=b") + (plus:DI (match_operand:DI 1 "gpc_reg_operand" "b") + (high:DI (match_operand 2 "" ""))))] + "TARGET_MACHO && TARGET_64BIT" + "addis %0,%1,ha16(%2)" + [(set_attr "length" "4")]) + +(define_insn "movdf_low_si" + [(set (match_operand:DF 0 "gpc_reg_operand" "=f,!r") + (mem:DF (lo_sum:SI (match_operand:SI 1 "gpc_reg_operand" "b,b") + (match_operand 2 "" ""))))] + "TARGET_MACHO && TARGET_HARD_FLOAT && TARGET_FPRS && !TARGET_64BIT" + "* +{ + switch (which_alternative) + { + case 0: + return \"lfd %0,lo16(%2)(%1)\"; + case 1: + { + if (TARGET_POWERPC64 && TARGET_32BIT) + /* Note, old assemblers didn't support relocation here. */ + return \"ld %0,lo16(%2)(%1)\"; + else + { + output_asm_insn (\"la %0,lo16(%2)(%1)\", operands); + output_asm_insn (\"lwz %L0,4(%0)\", operands); + return (\"lwz %0,0(%0)\"); + } + } + default: + gcc_unreachable (); + } +}" + [(set_attr "type" "load") + (set_attr "length" "4,12")]) + + +(define_insn "movdf_low_di" + [(set (match_operand:DF 0 "gpc_reg_operand" "=f,!r") + (mem:DF (lo_sum:DI (match_operand:DI 1 "gpc_reg_operand" "b,b") + (match_operand 2 "" ""))))] + "TARGET_MACHO && TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_64BIT" + "* +{ + switch (which_alternative) + { + case 0: + return \"lfd %0,lo16(%2)(%1)\"; + case 1: + return \"ld %0,lo16(%2)(%1)\"; + default: + gcc_unreachable (); + } +}" + [(set_attr "type" "load") + (set_attr "length" "4,4")]) + +(define_insn "movdf_low_st_si" + [(set (mem:DF (lo_sum:SI (match_operand:SI 1 "gpc_reg_operand" "b") + (match_operand 2 "" ""))) + (match_operand:DF 0 "gpc_reg_operand" "f"))] + "TARGET_MACHO && TARGET_HARD_FLOAT && TARGET_FPRS && ! TARGET_64BIT" + "stfd %0,lo16(%2)(%1)" + [(set_attr "type" "store") + (set_attr "length" "4")]) + +(define_insn "movdf_low_st_di" + [(set (mem:DF (lo_sum:DI (match_operand:DI 1 "gpc_reg_operand" "b") + (match_operand 2 "" ""))) + (match_operand:DF 0 "gpc_reg_operand" "f"))] + "TARGET_MACHO && TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_64BIT" + "stfd %0,lo16(%2)(%1)" + [(set_attr "type" "store") + (set_attr "length" "4")]) + +(define_insn "movsf_low_si" + [(set (match_operand:SF 0 "gpc_reg_operand" "=f,!r") + (mem:SF (lo_sum:SI (match_operand:SI 1 "gpc_reg_operand" "b,b") + (match_operand 2 "" ""))))] + "TARGET_MACHO && TARGET_HARD_FLOAT && TARGET_FPRS && ! TARGET_64BIT" + "@ + lfs %0,lo16(%2)(%1) + lwz %0,lo16(%2)(%1)" + [(set_attr "type" "load") + (set_attr "length" "4")]) + +(define_insn "movsf_low_di" + [(set (match_operand:SF 0 "gpc_reg_operand" "=f,!r") + (mem:SF (lo_sum:DI (match_operand:DI 1 "gpc_reg_operand" "b,b") + (match_operand 2 "" ""))))] + "TARGET_MACHO && TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_64BIT" + "@ + lfs %0,lo16(%2)(%1) + lwz %0,lo16(%2)(%1)" + [(set_attr "type" "load") + (set_attr "length" "4")]) + +(define_insn "movsf_low_st_si" + [(set (mem:SF (lo_sum:SI (match_operand:SI 1 "gpc_reg_operand" "b,b") + (match_operand 2 "" ""))) + (match_operand:SF 0 "gpc_reg_operand" "f,!r"))] + "TARGET_MACHO && TARGET_HARD_FLOAT && TARGET_FPRS && ! TARGET_64BIT" + "@ + stfs %0,lo16(%2)(%1) + stw %0,lo16(%2)(%1)" + [(set_attr "type" "store") + (set_attr "length" "4")]) + +(define_insn "movsf_low_st_di" + [(set (mem:SF (lo_sum:DI (match_operand:DI 1 "gpc_reg_operand" "b,b") + (match_operand 2 "" ""))) + (match_operand:SF 0 "gpc_reg_operand" "f,!r"))] + "TARGET_MACHO && TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_64BIT" + "@ + stfs %0,lo16(%2)(%1) + stw %0,lo16(%2)(%1)" + [(set_attr "type" "store") + (set_attr "length" "4")]) + +;; 64-bit MachO load/store support +(define_insn "movdi_low" + [(set (match_operand:DI 0 "gpc_reg_operand" "=r,*!d") + (mem:DI (lo_sum:DI (match_operand:DI 1 "gpc_reg_operand" "b,b") + (match_operand 2 "" ""))))] + "TARGET_MACHO && TARGET_64BIT" + "@ + ld %0,lo16(%2)(%1) + lfd %0,lo16(%2)(%1)" + [(set_attr "type" "load") + (set_attr "length" "4")]) + +(define_insn "movsi_low_st" + [(set (mem:SI (lo_sum:SI (match_operand:SI 1 "gpc_reg_operand" "b") + (match_operand 2 "" ""))) + (match_operand:SI 0 "gpc_reg_operand" "r"))] + "TARGET_MACHO && ! TARGET_64BIT" + "stw %0,lo16(%2)(%1)" + [(set_attr "type" "store") + (set_attr "length" "4")]) + +(define_insn "movdi_low_st" + [(set (mem:DI (lo_sum:DI (match_operand:DI 1 "gpc_reg_operand" "b,b") + (match_operand 2 "" ""))) + (match_operand:DI 0 "gpc_reg_operand" "r,*!d"))] + "TARGET_MACHO && TARGET_64BIT" + "@ + std %0,lo16(%2)(%1) + stfd %0,lo16(%2)(%1)" + [(set_attr "type" "store") + (set_attr "length" "4")]) + +;; Mach-O PIC trickery. +(define_expand "macho_high" + [(set (match_operand 0 "" "") + (high (match_operand 1 "" "")))] + "TARGET_MACHO" +{ + if (TARGET_64BIT) + emit_insn (gen_macho_high_di (operands[0], operands[1])); + else + emit_insn (gen_macho_high_si (operands[0], operands[1])); + + DONE; +}) + +(define_insn "macho_high_si" + [(set (match_operand:SI 0 "gpc_reg_operand" "=b*r") + (high:SI (match_operand 1 "" "")))] + "TARGET_MACHO && ! TARGET_64BIT" + "lis %0,ha16(%1)") + + +(define_insn "macho_high_di" + [(set (match_operand:DI 0 "gpc_reg_operand" "=b*r") + (high:DI (match_operand 1 "" "")))] + "TARGET_MACHO && TARGET_64BIT" + "lis %0,ha16(%1)") + +(define_expand "macho_low" + [(set (match_operand 0 "" "") + (lo_sum (match_operand 1 "" "") + (match_operand 2 "" "")))] + "TARGET_MACHO" +{ + if (TARGET_64BIT) + emit_insn (gen_macho_low_di (operands[0], operands[1], operands[2])); + else + emit_insn (gen_macho_low_si (operands[0], operands[1], operands[2])); + + DONE; +}) + +(define_insn "macho_low_si" + [(set (match_operand:SI 0 "gpc_reg_operand" "=r,r") + (lo_sum:SI (match_operand:SI 1 "gpc_reg_operand" "b,!*r") + (match_operand 2 "" "")))] + "TARGET_MACHO && ! TARGET_64BIT" + "@ + la %0,lo16(%2)(%1) + addic %0,%1,lo16(%2)") + +(define_insn "macho_low_di" + [(set (match_operand:DI 0 "gpc_reg_operand" "=r,r") + (lo_sum:DI (match_operand:DI 1 "gpc_reg_operand" "b,!*r") + (match_operand 2 "" "")))] + "TARGET_MACHO && TARGET_64BIT" + "@ + la %0,lo16(%2)(%1) + addic %0,%1,lo16(%2)") + +(define_split + [(set (mem:V4SI (plus:DI (match_operand:DI 0 "gpc_reg_operand" "") + (match_operand:DI 1 "short_cint_operand" ""))) + (match_operand:V4SI 2 "register_operand" "")) + (clobber (match_operand:DI 3 "gpc_reg_operand" ""))] + "TARGET_MACHO && TARGET_64BIT" + [(set (match_dup 3) (plus:DI (match_dup 0) (match_dup 1))) + (set (mem:V4SI (match_dup 3)) + (match_dup 2))] + "") + +(define_expand "load_macho_picbase" + [(set (reg:SI 65) + (unspec [(match_operand 0 "" "")] + UNSPEC_LD_MPIC))] + "(DEFAULT_ABI == ABI_DARWIN) && flag_pic" +{ + if (TARGET_32BIT) + emit_insn (gen_load_macho_picbase_si (operands[0])); + else + emit_insn (gen_load_macho_picbase_di (operands[0])); + + DONE; +}) + +(define_insn "load_macho_picbase_si" + [(set (reg:SI 65) + (unspec:SI [(match_operand:SI 0 "immediate_operand" "s") + (pc)] UNSPEC_LD_MPIC))] + "(DEFAULT_ABI == ABI_DARWIN) && flag_pic" +{ +#if TARGET_MACHO + machopic_should_output_picbase_label (); /* Update for new func. */ +#else + gcc_unreachable (); +#endif + return "bcl 20,31,%0\\n%0:"; +} + [(set_attr "type" "branch") + (set_attr "length" "4")]) + +(define_insn "load_macho_picbase_di" + [(set (reg:DI 65) + (unspec:DI [(match_operand:DI 0 "immediate_operand" "s") + (pc)] UNSPEC_LD_MPIC))] + "(DEFAULT_ABI == ABI_DARWIN) && flag_pic && TARGET_64BIT" +{ +#if TARGET_MACHO + machopic_should_output_picbase_label (); /* Update for new func. */ +#else + gcc_unreachable (); +#endif + return "bcl 20,31,%0\\n%0:"; +} + [(set_attr "type" "branch") + (set_attr "length" "4")]) + +(define_expand "macho_correct_pic" + [(set (match_operand 0 "" "") + (plus (match_operand 1 "" "") + (unspec [(match_operand 2 "" "") + (match_operand 3 "" "")] + UNSPEC_MPIC_CORRECT)))] + "DEFAULT_ABI == ABI_DARWIN" +{ + if (TARGET_32BIT) + emit_insn (gen_macho_correct_pic_si (operands[0], operands[1], operands[2], + operands[3])); + else + emit_insn (gen_macho_correct_pic_di (operands[0], operands[1], operands[2], + operands[3])); + + DONE; +}) + +(define_insn "macho_correct_pic_si" + [(set (match_operand:SI 0 "gpc_reg_operand" "=r") + (plus:SI (match_operand:SI 1 "gpc_reg_operand" "r") + (unspec:SI [(match_operand:SI 2 "immediate_operand" "s") + (match_operand:SI 3 "immediate_operand" "s")] + UNSPEC_MPIC_CORRECT)))] + "DEFAULT_ABI == ABI_DARWIN" + "addis %0,%1,ha16(%2-%3)\n\taddi %0,%0,lo16(%2-%3)" + [(set_attr "length" "8")]) + +(define_insn "macho_correct_pic_di" + [(set (match_operand:DI 0 "gpc_reg_operand" "=r") + (plus:DI (match_operand:DI 1 "gpc_reg_operand" "r") + (unspec:DI [(match_operand:DI 2 "immediate_operand" "s") + (match_operand:DI 3 "immediate_operand" "s")] + 16)))] + "DEFAULT_ABI == ABI_DARWIN && TARGET_64BIT" + "addis %0,%1,ha16(%2-%3)\n\taddi %0,%0,lo16(%2-%3)" + [(set_attr "length" "8")]) + +(define_insn "*call_indirect_nonlocal_darwin64" + [(call (mem:SI (match_operand:DI 0 "register_operand" "c,*l,c,*l")) + (match_operand 1 "" "g,g,g,g")) + (use (match_operand:SI 2 "immediate_operand" "O,O,n,n")) + (clobber (reg:SI 65))] + "DEFAULT_ABI == ABI_DARWIN && TARGET_64BIT" +{ + return "b%T0l"; +} + [(set_attr "type" "jmpreg,jmpreg,jmpreg,jmpreg") + (set_attr "length" "4,4,8,8")]) + +(define_insn "*call_nonlocal_darwin64" + [(call (mem:SI (match_operand:DI 0 "symbol_ref_operand" "s,s")) + (match_operand 1 "" "g,g")) + (use (match_operand:SI 2 "immediate_operand" "O,n")) + (clobber (reg:SI 65))] + "(DEFAULT_ABI == ABI_DARWIN) + && (INTVAL (operands[2]) & CALL_LONG) == 0" +{ +#if TARGET_MACHO + return output_call(insn, operands, 0, 2); +#else + gcc_unreachable (); +#endif +} + [(set_attr "type" "branch,branch") + (set_attr "length" "4,8")]) + +(define_insn "*call_value_indirect_nonlocal_darwin64" + [(set (match_operand 0 "" "") + (call (mem:SI (match_operand:DI 1 "register_operand" "c,*l,c,*l")) + (match_operand 2 "" "g,g,g,g"))) + (use (match_operand:SI 3 "immediate_operand" "O,O,n,n")) + (clobber (reg:SI 65))] + "DEFAULT_ABI == ABI_DARWIN" +{ + return "b%T1l"; +} + [(set_attr "type" "jmpreg,jmpreg,jmpreg,jmpreg") + (set_attr "length" "4,4,8,8")]) + +(define_insn "*call_value_nonlocal_darwin64" + [(set (match_operand 0 "" "") + (call (mem:SI (match_operand:DI 1 "symbol_ref_operand" "s,s")) + (match_operand 2 "" "g,g"))) + (use (match_operand:SI 3 "immediate_operand" "O,n")) + (clobber (reg:SI 65))] + "(DEFAULT_ABI == ABI_DARWIN) + && (INTVAL (operands[3]) & CALL_LONG) == 0" +{ +#if TARGET_MACHO + return output_call(insn, operands, 1, 3); +#else + gcc_unreachable (); +#endif +} + [(set_attr "type" "branch,branch") + (set_attr "length" "4,8")]) + +(define_expand "reload_macho_picbase" + [(set (reg:SI 65) + (unspec [(match_operand 0 "" "")] + UNSPEC_RELD_MPIC))] + "(DEFAULT_ABI == ABI_DARWIN) && flag_pic" +{ + if (TARGET_32BIT) + emit_insn (gen_reload_macho_picbase_si (operands[0])); + else + emit_insn (gen_reload_macho_picbase_di (operands[0])); + + DONE; +}) + +(define_insn "reload_macho_picbase_si" + [(set (reg:SI 65) + (unspec:SI [(match_operand:SI 0 "immediate_operand" "s") + (pc)] UNSPEC_RELD_MPIC))] + "(DEFAULT_ABI == ABI_DARWIN) && flag_pic" +{ +#if TARGET_MACHO + if (machopic_should_output_picbase_label ()) + { + static char tmp[64]; + const char *cnam = machopic_get_function_picbase (); + snprintf (tmp, 64, "bcl 20,31,%s\\n%s:\\n%%0:", cnam, cnam); + return tmp; + } + else +#else + gcc_unreachable (); +#endif + return "bcl 20,31,%0\\n%0:"; +} + [(set_attr "type" "branch") + (set_attr "length" "4")]) + +(define_insn "reload_macho_picbase_di" + [(set (reg:DI 65) + (unspec:DI [(match_operand:DI 0 "immediate_operand" "s") + (pc)] UNSPEC_RELD_MPIC))] + "(DEFAULT_ABI == ABI_DARWIN) && flag_pic && TARGET_64BIT" +{ +#if TARGET_MACHO + if (machopic_should_output_picbase_label ()) + { + static char tmp[64]; + const char *cnam = machopic_get_function_picbase (); + snprintf (tmp, 64, "bcl 20,31,%s\\n%s:\\n%%0:", cnam, cnam); + return tmp; + } + else +#else + gcc_unreachable (); +#endif + return "bcl 20,31,%0\\n%0:"; +} + [(set_attr "type" "branch") + (set_attr "length" "4")]) + +;; We need to restore the PIC register, at the site of nonlocal label. + +(define_insn_and_split "nonlocal_goto_receiver" + [(unspec_volatile [(const_int 0)] UNSPECV_NLGR)] + "TARGET_MACHO && flag_pic" + "#" + "&& reload_completed" + [(const_int 0)] +{ +#if TARGET_MACHO + if (crtl->uses_pic_offset_table) + { + static unsigned n = 0; + rtx picrtx = gen_rtx_SYMBOL_REF (Pmode, MACHOPIC_FUNCTION_BASE_NAME); + rtx picreg = gen_rtx_REG (Pmode, RS6000_PIC_OFFSET_TABLE_REGNUM); + rtx tmplrtx; + char tmplab[20]; + + ASM_GENERATE_INTERNAL_LABEL(tmplab, "Lnlgr", ++n); + tmplrtx = gen_rtx_SYMBOL_REF (Pmode, ggc_strdup (tmplab)); + + emit_insn (gen_reload_macho_picbase (tmplrtx)); + emit_move_insn (picreg, gen_rtx_REG (Pmode, LR_REGNO)); + emit_insn (gen_macho_correct_pic (picreg, picreg, picrtx, tmplrtx)); + } + else + /* Not using PIC reg, no reload needed. */ + emit_note (NOTE_INSN_DELETED); +#else + gcc_unreachable (); +#endif + DONE; +}) |