diff options
Diffstat (limited to 'gcc-4.2.1-5666.3/gcc/config/rs6000/sync.md')
| -rw-r--r-- | gcc-4.2.1-5666.3/gcc/config/rs6000/sync.md | 625 |
1 files changed, 0 insertions, 625 deletions
diff --git a/gcc-4.2.1-5666.3/gcc/config/rs6000/sync.md b/gcc-4.2.1-5666.3/gcc/config/rs6000/sync.md deleted file mode 100644 index b7166473e..000000000 --- a/gcc-4.2.1-5666.3/gcc/config/rs6000/sync.md +++ /dev/null @@ -1,625 +0,0 @@ -;; Machine description for PowerPC synchronization instructions. -;; Copyright (C) 2005 Free Software Foundation, Inc. -;; Contributed by Geoffrey Keating. - -;; This file is part of GCC. - -;; GCC 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 2, or (at your -;; option) any later version. - -;; GCC 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 COPYING. If not, write to the -;; Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, -;; MA 02110-1301, USA. - -(define_mode_attr larx [(SI "lwarx") (DI "ldarx")]) -(define_mode_attr stcx [(SI "stwcx.") (DI "stdcx.")]) - -(define_code_macro FETCHOP [plus minus ior xor and]) -(define_code_attr fetchop_name - [(plus "add") (minus "sub") (ior "ior") (xor "xor") (and "and")]) -(define_code_attr fetchop_pred - [(plus "add_operand") (minus "gpc_reg_operand") - (ior "logical_operand") (xor "logical_operand") (and "and_operand")]) -(define_code_attr fetchopsi_constr - [(plus "rIL") (minus "r") (ior "rKL") (xor "rKL") (and "rTKL")]) -(define_code_attr fetchopdi_constr - [(plus "rIL") (minus "r") (ior "rKJF") (xor "rKJF") (and "rSTKJ")]) - -(define_expand "memory_barrier" - [(set (mem:BLK (match_dup 0)) - (unspec:BLK [(mem:BLK (match_dup 0))] UNSPEC_SYNC))] - "" -{ - operands[0] = gen_rtx_MEM (BLKmode, gen_rtx_SCRATCH (Pmode)); - MEM_VOLATILE_P (operands[0]) = 1; -}) - -(define_insn "*sync_internal" - [(set (match_operand:BLK 0 "" "") - (unspec:BLK [(match_operand:BLK 1 "" "")] UNSPEC_SYNC))] - "" - "{dcs|sync}" - [(set_attr "type" "sync")]) - -(define_insn "load_locked_<mode>" - [(set (match_operand:GPR 0 "gpc_reg_operand" "=r") - (unspec_volatile:GPR - [(match_operand:GPR 1 "memory_operand" "Z")] UNSPECV_LL))] - "TARGET_POWERPC" - "<larx> %0,%y1" - [(set_attr "type" "load_l")]) - -(define_insn "store_conditional_<mode>" - [(set (match_operand:CC 0 "cc_reg_operand" "=x") - (unspec_volatile:CC [(const_int 0)] UNSPECV_SC)) - (set (match_operand:GPR 1 "memory_operand" "=Z") - (match_operand:GPR 2 "gpc_reg_operand" "r"))] - "TARGET_POWERPC" - "<stcx> %2,%y1" - [(set_attr "type" "store_c")]) - -(define_insn_and_split "sync_compare_and_swap<mode>" - [(set (match_operand:GPR 0 "gpc_reg_operand" "=&r") - (match_operand:GPR 1 "memory_operand" "+Z")) - (set (match_dup 1) - (unspec:GPR - [(match_operand:GPR 2 "reg_or_short_operand" "rI") - (match_operand:GPR 3 "gpc_reg_operand" "r")] - UNSPEC_CMPXCHG)) - (clobber (match_scratch:GPR 4 "=&r")) - (clobber (match_scratch:CC 5 "=&x"))] - "TARGET_POWERPC" - "#" - "&& reload_completed" - [(const_int 0)] -{ - rs6000_split_compare_and_swap (operands[0], operands[1], operands[2], - operands[3], operands[4]); - DONE; -}) - -(define_expand "sync_compare_and_swaphi" - [(match_operand:HI 0 "gpc_reg_operand" "") - (match_operand:HI 1 "memory_operand" "") - (match_operand:HI 2 "gpc_reg_operand" "") - (match_operand:HI 3 "gpc_reg_operand" "")] - "TARGET_POWERPC" -{ - rs6000_expand_compare_and_swapqhi (operands[0], operands[1], - operands[2], operands[3]); - DONE; -}) - -(define_expand "sync_compare_and_swapqi" - [(match_operand:QI 0 "gpc_reg_operand" "") - (match_operand:QI 1 "memory_operand" "") - (match_operand:QI 2 "gpc_reg_operand" "") - (match_operand:QI 3 "gpc_reg_operand" "")] - "TARGET_POWERPC" -{ - rs6000_expand_compare_and_swapqhi (operands[0], operands[1], - operands[2], operands[3]); - DONE; -}) - -(define_insn_and_split "sync_compare_and_swapqhi_internal" - [(set (match_operand:SI 0 "gpc_reg_operand" "=&r") - (match_operand:SI 4 "memory_operand" "+Z")) - (set (match_dup 4) - (unspec:SI - [(match_operand:SI 1 "gpc_reg_operand" "r") - (match_operand:SI 2 "gpc_reg_operand" "r") - (match_operand:SI 3 "gpc_reg_operand" "r")] - UNSPEC_CMPXCHG)) - (clobber (match_scratch:SI 5 "=&r")) - (clobber (match_scratch:CC 6 "=&x"))] - "TARGET_POWERPC" - "#" - "&& reload_completed" - [(const_int 0)] -{ - rs6000_split_compare_and_swapqhi (operands[0], operands[1], - operands[2], operands[3], operands[4], - operands[5]); - DONE; -}) - -(define_insn_and_split "sync_lock_test_and_set<mode>" - [(set (match_operand:GPR 0 "gpc_reg_operand" "=&r") - (match_operand:GPR 1 "memory_operand" "+Z")) - (set (match_dup 1) - (unspec:GPR - [(match_operand:GPR 2 "reg_or_short_operand" "rL")] - UNSPEC_XCHG)) - (clobber (match_scratch:GPR 3 "=&r")) - (clobber (match_scratch:CC 4 "=&x"))] - "TARGET_POWERPC" - "#" - "&& reload_completed" - [(const_int 0)] -{ - rs6000_split_lock_test_and_set (operands[0], operands[1], operands[2], - operands[3]); - DONE; -}) - -(define_expand "sync_<fetchop_name><mode>" - [(parallel [(set (match_operand:INT1 0 "memory_operand" "") - (unspec:INT1 - [(FETCHOP:INT1 (match_dup 0) - (match_operand:INT1 1 "<fetchop_pred>" ""))] - UNSPEC_ATOMIC)) - (clobber (scratch:INT1)) - (clobber (scratch:CC))])] - "TARGET_POWERPC" - " -{ - if (<MODE>mode != SImode && <MODE>mode != DImode) - { - if (PPC405_ERRATUM77) - FAIL; - rs6000_emit_sync (<CODE>, <MODE>mode, operands[0], operands[1], - NULL_RTX, NULL_RTX, true); - DONE; - } -}") - -(define_insn_and_split "*sync_<fetchop_name>si_internal" - [(set (match_operand:SI 0 "memory_operand" "+Z") - (unspec:SI - [(FETCHOP:SI (match_dup 0) - (match_operand:SI 1 "<fetchop_pred>" "<fetchopsi_constr>"))] - UNSPEC_ATOMIC)) - (clobber (match_scratch:SI 2 "=&b")) - (clobber (match_scratch:CC 3 "=&x"))] - "TARGET_POWERPC" - "#" - "&& reload_completed" - [(const_int 0)] -{ - rs6000_split_atomic_op (<CODE>, operands[0], operands[1], - NULL_RTX, NULL_RTX, operands[2]); - DONE; -}) - -(define_insn_and_split "*sync_<fetchop_name>di_internal" - [(set (match_operand:DI 0 "memory_operand" "+Z") - (unspec:DI - [(FETCHOP:DI (match_dup 0) - (match_operand:DI 1 "<fetchop_pred>" "<fetchopdi_constr>"))] - UNSPEC_ATOMIC)) - (clobber (match_scratch:DI 2 "=&b")) - (clobber (match_scratch:CC 3 "=&x"))] - "TARGET_POWERPC" - "#" - "&& reload_completed" - [(const_int 0)] -{ - rs6000_split_atomic_op (<CODE>, operands[0], operands[1], - NULL_RTX, NULL_RTX, operands[2]); - DONE; -}) - -(define_expand "sync_nand<mode>" - [(parallel [(set (match_operand:INT1 0 "memory_operand" "") - (unspec:INT1 - [(and:INT1 (not:INT1 (match_dup 0)) - (match_operand:INT1 1 "gpc_reg_operand" ""))] - UNSPEC_ATOMIC)) - (clobber (scratch:INT1)) - (clobber (scratch:CC))])] - "TARGET_POWERPC" - " -{ - if (<MODE>mode != SImode && <MODE>mode != DImode) - { - if (PPC405_ERRATUM77) - FAIL; - rs6000_emit_sync (AND, <MODE>mode, - gen_rtx_NOT (<MODE>mode, operands[0]), - operands[1], - NULL_RTX, NULL_RTX, true); - DONE; - } -}") - -(define_insn_and_split "*sync_nand<mode>_internal" - [(set (match_operand:GPR 0 "memory_operand" "+Z") - (unspec:GPR - [(and:GPR (not:GPR (match_dup 0)) - (match_operand:GPR 1 "gpc_reg_operand" "r"))] - UNSPEC_ATOMIC)) - (clobber (match_scratch:GPR 2 "=&r")) - (clobber (match_scratch:CC 3 "=&x"))] - "TARGET_POWERPC" - "#" - "&& reload_completed" - [(const_int 0)] -{ - rs6000_split_atomic_op (NOT, operands[0], operands[1], - NULL_RTX, NULL_RTX, operands[2]); - DONE; -}) - -(define_expand "sync_old_<fetchop_name><mode>" - [(parallel [(set (match_operand:INT1 0 "gpc_reg_operand" "") - (match_operand:INT1 1 "memory_operand" "")) - (set (match_dup 1) - (unspec:INT1 - [(FETCHOP:INT1 (match_dup 1) - (match_operand:INT1 2 "<fetchop_pred>" ""))] - UNSPEC_ATOMIC)) - (clobber (scratch:INT1)) - (clobber (scratch:CC))])] - "TARGET_POWERPC" - " -{ - if (<MODE>mode != SImode && <MODE>mode != DImode) - { - if (PPC405_ERRATUM77) - FAIL; - rs6000_emit_sync (<CODE>, <MODE>mode, operands[1], operands[2], - operands[0], NULL_RTX, true); - DONE; - } -}") - -(define_insn_and_split "*sync_old_<fetchop_name>si_internal" - [(set (match_operand:SI 0 "gpc_reg_operand" "=&r") - (match_operand:SI 1 "memory_operand" "+Z")) - (set (match_dup 1) - (unspec:SI - [(FETCHOP:SI (match_dup 1) - (match_operand:SI 2 "<fetchop_pred>" "<fetchopsi_constr>"))] - UNSPEC_ATOMIC)) - (clobber (match_scratch:SI 3 "=&b")) - (clobber (match_scratch:CC 4 "=&x"))] - "TARGET_POWERPC" - "#" - "&& reload_completed" - [(const_int 0)] -{ - rs6000_split_atomic_op (<CODE>, operands[1], operands[2], - operands[0], NULL_RTX, operands[3]); - DONE; -}) - -(define_insn_and_split "*sync_old_<fetchop_name>di_internal" - [(set (match_operand:DI 0 "gpc_reg_operand" "=&r") - (match_operand:DI 1 "memory_operand" "+Z")) - (set (match_dup 1) - (unspec:DI - [(FETCHOP:DI (match_dup 1) - (match_operand:DI 2 "<fetchop_pred>" "<fetchopdi_constr>"))] - UNSPEC_ATOMIC)) - (clobber (match_scratch:DI 3 "=&b")) - (clobber (match_scratch:CC 4 "=&x"))] - "TARGET_POWERPC" - "#" - "&& reload_completed" - [(const_int 0)] -{ - rs6000_split_atomic_op (<CODE>, operands[1], operands[2], - operands[0], NULL_RTX, operands[3]); - DONE; -}) - -(define_expand "sync_old_nand<mode>" - [(parallel [(set (match_operand:INT1 0 "gpc_reg_operand" "") - (match_operand:INT1 1 "memory_operand" "")) - (set (match_dup 1) - (unspec:INT1 - [(and:INT1 (not:INT1 (match_dup 1)) - (match_operand:INT1 2 "gpc_reg_operand" ""))] - UNSPEC_ATOMIC)) - (clobber (scratch:INT1)) - (clobber (scratch:CC))])] - "TARGET_POWERPC" - " -{ - if (<MODE>mode != SImode && <MODE>mode != DImode) - { - if (PPC405_ERRATUM77) - FAIL; - rs6000_emit_sync (AND, <MODE>mode, - gen_rtx_NOT (<MODE>mode, operands[1]), - operands[2], - operands[0], NULL_RTX, true); - DONE; - } -}") - -(define_insn_and_split "*sync_old_nand<mode>_internal" - [(set (match_operand:GPR 0 "gpc_reg_operand" "=&r") - (match_operand:GPR 1 "memory_operand" "+Z")) - (set (match_dup 1) - (unspec:GPR - [(and:GPR (not:GPR (match_dup 1)) - (match_operand:GPR 2 "gpc_reg_operand" "r"))] - UNSPEC_ATOMIC)) - (clobber (match_scratch:GPR 3 "=&r")) - (clobber (match_scratch:CC 4 "=&x"))] - "TARGET_POWERPC" - "#" - "&& reload_completed" - [(const_int 0)] -{ - rs6000_split_atomic_op (NOT, operands[1], operands[2], - operands[0], NULL_RTX, operands[3]); - DONE; -}) - -(define_expand "sync_new_<fetchop_name><mode>" - [(parallel [(set (match_operand:INT1 0 "gpc_reg_operand" "") - (FETCHOP:INT1 - (match_operand:INT1 1 "memory_operand" "") - (match_operand:INT1 2 "<fetchop_pred>" ""))) - (set (match_dup 1) - (unspec:INT1 - [(FETCHOP:INT1 (match_dup 1) (match_dup 2))] - UNSPEC_ATOMIC)) - (clobber (scratch:INT1)) - (clobber (scratch:CC))])] - "TARGET_POWERPC" - " -{ - if (<MODE>mode != SImode && <MODE>mode != DImode) - { - if (PPC405_ERRATUM77) - FAIL; - rs6000_emit_sync (<CODE>, <MODE>mode, operands[1], operands[2], - NULL_RTX, operands[0], true); - DONE; - } -}") - -(define_insn_and_split "*sync_new_<fetchop_name>si_internal" - [(set (match_operand:SI 0 "gpc_reg_operand" "=&r") - (FETCHOP:SI - (match_operand:SI 1 "memory_operand" "+Z") - (match_operand:SI 2 "<fetchop_pred>" "<fetchopsi_constr>"))) - (set (match_dup 1) - (unspec:SI - [(FETCHOP:SI (match_dup 1) (match_dup 2))] - UNSPEC_ATOMIC)) - (clobber (match_scratch:SI 3 "=&b")) - (clobber (match_scratch:CC 4 "=&x"))] - "TARGET_POWERPC" - "#" - "&& reload_completed" - [(const_int 0)] -{ - rs6000_split_atomic_op (<CODE>, operands[1], operands[2], - NULL_RTX, operands[0], operands[3]); - DONE; -}) - -(define_insn_and_split "*sync_new_<fetchop_name>di_internal" - [(set (match_operand:DI 0 "gpc_reg_operand" "=&r") - (FETCHOP:DI - (match_operand:DI 1 "memory_operand" "+Z") - (match_operand:DI 2 "<fetchop_pred>" "<fetchopdi_constr>"))) - (set (match_dup 1) - (unspec:DI - [(FETCHOP:DI (match_dup 1) (match_dup 2))] - UNSPEC_ATOMIC)) - (clobber (match_scratch:DI 3 "=&b")) - (clobber (match_scratch:CC 4 "=&x"))] - "TARGET_POWERPC" - "#" - "&& reload_completed" - [(const_int 0)] -{ - rs6000_split_atomic_op (<CODE>, operands[1], operands[2], - NULL_RTX, operands[0], operands[3]); - DONE; -}) - -(define_expand "sync_new_nand<mode>" - [(parallel [(set (match_operand:INT1 0 "gpc_reg_operand" "") - (and:INT1 - (not:INT1 (match_operand:INT1 1 "memory_operand" "")) - (match_operand:INT1 2 "gpc_reg_operand" ""))) - (set (match_dup 1) - (unspec:INT1 - [(and:INT1 (not:INT1 (match_dup 1)) (match_dup 2))] - UNSPEC_ATOMIC)) - (clobber (scratch:INT1)) - (clobber (scratch:CC))])] - "TARGET_POWERPC" - " -{ - if (<MODE>mode != SImode && <MODE>mode != DImode) - { - if (PPC405_ERRATUM77) - FAIL; - rs6000_emit_sync (AND, <MODE>mode, - gen_rtx_NOT (<MODE>mode, operands[1]), - operands[2], - NULL_RTX, operands[0], true); - DONE; - } -}") - -(define_insn_and_split "*sync_new_nand<mode>_internal" - [(set (match_operand:GPR 0 "gpc_reg_operand" "=&r") - (and:GPR - (not:GPR (match_operand:GPR 1 "memory_operand" "+Z")) - (match_operand:GPR 2 "gpc_reg_operand" "r"))) - (set (match_dup 1) - (unspec:GPR - [(and:GPR (not:GPR (match_dup 1)) (match_dup 2))] - UNSPEC_ATOMIC)) - (clobber (match_scratch:GPR 3 "=&r")) - (clobber (match_scratch:CC 4 "=&x"))] - "TARGET_POWERPC" - "#" - "&& reload_completed" - [(const_int 0)] -{ - rs6000_split_atomic_op (NOT, operands[1], operands[2], - NULL_RTX, operands[0], operands[3]); - DONE; -}) - -; and<mode> without cr0 clobber to avoid generation of additional clobber -; in atomic splitters causing internal consistency failure. -; cr0 already clobbered by larx/stcx. -(define_insn "*atomic_andsi" - [(set (match_operand:SI 0 "gpc_reg_operand" "=r,r,r,r") - (unspec:SI [(match_operand:SI 1 "gpc_reg_operand" "%r,r,r,r") - (match_operand:SI 2 "and_operand" "?r,T,K,L")] - UNSPEC_AND))] - "" - "@ - and %0,%1,%2 - {rlinm|rlwinm} %0,%1,0,%m2,%M2 - {andil.|andi.} %0,%1,%b2 - {andiu.|andis.} %0,%1,%u2" - [(set_attr "type" "*,*,compare,compare")]) - -(define_insn "*atomic_anddi" - [(set (match_operand:DI 0 "gpc_reg_operand" "=r,r,r,r,r") - (unspec:DI [(match_operand:DI 1 "gpc_reg_operand" "%r,r,r,r,r") - (match_operand:DI 2 "and_operand" "?r,S,T,K,J")] - UNSPEC_AND))] - "TARGET_POWERPC64" - "@ - and %0,%1,%2 - rldic%B2 %0,%1,0,%S2 - rlwinm %0,%1,0,%m2,%M2 - andi. %0,%1,%b2 - andis. %0,%1,%u2" - [(set_attr "type" "*,*,*,compare,compare") - (set_attr "length" "4,4,4,4,4")]) - -; the sync_*_internal patterns all have these operands: -; 0 - memory location -; 1 - operand -; 2 - value in memory after operation -; 3 - value in memory immediately before operation - -(define_insn "*sync_addshort_internal" - [(set (match_operand:SI 2 "gpc_reg_operand" "=&r") - (ior:SI (and:SI (plus:SI (match_operand:SI 0 "memory_operand" "+Z") - (match_operand:SI 1 "add_operand" "rI")) - (match_operand:SI 4 "gpc_reg_operand" "r")) - (and:SI (not:SI (match_dup 4)) (match_dup 0)))) - (set (match_operand:SI 3 "gpc_reg_operand" "=&b") (match_dup 0)) - (set (match_dup 0) - (unspec:SI [(ior:SI (and:SI (plus:SI (match_dup 0) (match_dup 1)) - (match_dup 4)) - (and:SI (not:SI (match_dup 4)) (match_dup 0)))] - UNSPEC_SYNC_OP)) - (clobber (match_scratch:CC 5 "=&x")) - (clobber (match_scratch:SI 6 "=&r"))] - "TARGET_POWERPC && !PPC405_ERRATUM77" - "lwarx %3,%y0\n\tadd%I1 %2,%3,%1\n\tandc %6,%3,%4\n\tand %2,%2,%4\n\tor %2,%2,%6\n\tstwcx. %2,%y0\n\tbne- $-24" - [(set_attr "length" "28")]) - -(define_insn "*sync_subshort_internal" - [(set (match_operand:SI 2 "gpc_reg_operand" "=&r") - (ior:SI (and:SI (minus:SI (match_operand:SI 0 "memory_operand" "+Z") - (match_operand:SI 1 "add_operand" "rI")) - (match_operand:SI 4 "gpc_reg_operand" "r")) - (and:SI (not:SI (match_dup 4)) (match_dup 0)))) - (set (match_operand:SI 3 "gpc_reg_operand" "=&b") (match_dup 0)) - (set (match_dup 0) - (unspec:SI [(ior:SI (and:SI (minus:SI (match_dup 0) (match_dup 1)) - (match_dup 4)) - (and:SI (not:SI (match_dup 4)) (match_dup 0)))] - UNSPEC_SYNC_OP)) - (clobber (match_scratch:CC 5 "=&x")) - (clobber (match_scratch:SI 6 "=&r"))] - "TARGET_POWERPC && !PPC405_ERRATUM77" - "lwarx %3,%y0\n\tsubf %2,%1,%3\n\tandc %6,%3,%4\n\tand %2,%2,%4\n\tor %2,%2,%6\n\tstwcx. %2,%y0\n\tbne- $-24" - [(set_attr "length" "28")]) - -(define_insn "*sync_andsi_internal" - [(set (match_operand:SI 2 "gpc_reg_operand" "=&r,&r,&r,&r") - (and:SI (match_operand:SI 0 "memory_operand" "+Z,Z,Z,Z") - (match_operand:SI 1 "and_operand" "r,T,K,L"))) - (set (match_operand:SI 3 "gpc_reg_operand" "=&b,&b,&b,&b") (match_dup 0)) - (set (match_dup 0) - (unspec:SI [(and:SI (match_dup 0) (match_dup 1))] - UNSPEC_SYNC_OP)) - (clobber (match_scratch:CC 4 "=&x,&x,&x,&x"))] - "TARGET_POWERPC && !PPC405_ERRATUM77" - "@ - lwarx %3,%y0\n\tand %2,%3,%1\n\tstwcx. %2,%y0\n\tbne- $-12 - lwarx %3,%y0\n\trlwinm %2,%3,0,%m1,%M1\n\tstwcx. %2,%y0\n\tbne- $-12 - lwarx %3,%y0\n\tandi. %2,%3,%b1\n\tstwcx. %2,%y0\n\tbne- $-12 - lwarx %3,%y0\n\tandis. %2,%3,%u1\n\tstwcx. %2,%y0\n\tbne- $-12" - [(set_attr "length" "16,16,16,16")]) - -(define_insn "*sync_boolsi_internal" - [(set (match_operand:SI 2 "gpc_reg_operand" "=&r,&r,&r") - (match_operator:SI 4 "boolean_or_operator" - [(match_operand:SI 0 "memory_operand" "+Z,Z,Z") - (match_operand:SI 1 "logical_operand" "r,K,L")])) - (set (match_operand:SI 3 "gpc_reg_operand" "=&b,&b,&b") (match_dup 0)) - (set (match_dup 0) (unspec:SI [(match_dup 4)] UNSPEC_SYNC_OP)) - (clobber (match_scratch:CC 5 "=&x,&x,&x"))] - "TARGET_POWERPC && !PPC405_ERRATUM77" - "@ - lwarx %3,%y0\n\t%q4 %2,%3,%1\n\tstwcx. %2,%y0\n\tbne- $-12 - lwarx %3,%y0\n\t%q4i %2,%3,%b1\n\tstwcx. %2,%y0\n\tbne- $-12 - lwarx %3,%y0\n\t%q4is %2,%3,%u1\n\tstwcx. %2,%y0\n\tbne- $-12" - [(set_attr "length" "16,16,16")]) - -; This pattern could also take immediate values of operand 1, -; since the non-NOT version of the operator is used; but this is not -; very useful, since in practice operand 1 is a full 32-bit value. -; Likewise, operand 5 is in practice either <= 2^16 or it is a register. -(define_insn "*sync_boolcshort_internal" - [(set (match_operand:SI 2 "gpc_reg_operand" "=&r") - (match_operator:SI 4 "boolean_operator" - [(xor:SI (match_operand:SI 0 "memory_operand" "+Z") - (match_operand:SI 5 "logical_operand" "rK")) - (match_operand:SI 1 "gpc_reg_operand" "r")])) - (set (match_operand:SI 3 "gpc_reg_operand" "=&b") (match_dup 0)) - (set (match_dup 0) (unspec:SI [(match_dup 4)] UNSPEC_SYNC_OP)) - (clobber (match_scratch:CC 6 "=&x"))] - "TARGET_POWERPC && !PPC405_ERRATUM77" - "lwarx %3,%y0\n\txor%I2 %2,%3,%5\n\t%q4 %2,%2,%1\n\tstwcx. %2,%y0\n\tbne- $-16" - [(set_attr "length" "20")]) - -(define_insn "isync" - [(set (mem:BLK (match_scratch 0 "X")) - (unspec_volatile:BLK [(mem:BLK (match_scratch 1 "X"))] UNSPEC_ISYNC))] - "" - "{ics|isync}" - [(set_attr "type" "isync")]) - -(define_expand "sync_lock_release<mode>" - [(set (match_operand:INT 0 "memory_operand") - (match_operand:INT 1 "any_operand"))] - "" - " -{ - emit_insn (gen_lwsync ()); - emit_move_insn (operands[0], operands[1]); - DONE; -}") - -; Some AIX assemblers don't accept lwsync, so we use a .long. -(define_insn "lwsync" - [(set (mem:BLK (match_scratch 0 "X")) - (unspec_volatile:BLK [(mem:BLK (match_scratch 1 "X"))] UNSPEC_LWSYNC))] - "" -{ - if (TARGET_NO_LWSYNC) - return "sync"; - else - return ".long 0x7c2004ac"; -} - [(set_attr "type" "sync")]) - |