diff options
| author | olegendo <olegendo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-10-06 11:20:11 +0000 |
|---|---|---|
| committer | olegendo <olegendo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-10-06 11:20:11 +0000 |
| commit | eaed87550a4b1890f3e1c16f34511eea41f2e4c3 (patch) | |
| tree | 42bb03df06926f4752add2e251b0fb87c82692e8 /gcc/config/sh | |
| parent | 996369db24a6a11a509b9fed0c2e2ae720aa3b77 (diff) | |
| download | gcc-eaed87550a4b1890f3e1c16f34511eea41f2e4c3.tar.gz | |
PR target/54760
* config/sh/sh.md (define_constants): Add UNSPECV_GBR.
(get_thread_pointer, set_thread_pointer): New expanders.
(load_gbr): Rename to store_gbr. Remove GBR_REG use.
(store_gbr): New insn.
* config/sh/sh.c (prepare_move_operands): Use gen_store_gbr instead of
gen_load_gbr in TLS_MODEL_LOCAL_EXEC case.
(sh1_builtin_p): New function.
(signature_args): Add SH_BLTIN_VP.
(bdesc): Add __builtin_thread_pointer and __builtin_set_thread_pointer.
PR target/54760
* gcc.target/sh/pr54760-1.c: New.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@192155 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config/sh')
| -rw-r--r-- | gcc/config/sh/sh.c | 16 | ||||
| -rw-r--r-- | gcc/config/sh/sh.md | 31 |
2 files changed, 43 insertions, 4 deletions
diff --git a/gcc/config/sh/sh.c b/gcc/config/sh/sh.c index 35998793a89..3a0689d9486 100644 --- a/gcc/config/sh/sh.c +++ b/gcc/config/sh/sh.c @@ -1887,7 +1887,7 @@ prepare_move_operands (rtx operands[], enum machine_mode mode) case TLS_MODEL_LOCAL_EXEC: tmp2 = gen_reg_rtx (Pmode); - emit_insn (gen_load_gbr (tmp2)); + emit_insn (gen_store_gbr (tmp2)); tmp = gen_reg_rtx (Pmode); emit_insn (gen_symTPOFF2reg (tmp, op1)); @@ -11521,6 +11521,12 @@ shmedia_builtin_p (void) return TARGET_SHMEDIA; } +static bool +sh1_builtin_p (void) +{ + return TARGET_SH1; +} + /* describe number and signedness of arguments; arg[0] == result (1: unsigned, 2: signed, 4: don't care, 8: pointer 0: no argument */ /* 9: 64-bit pointer, 10: 32-bit pointer */ @@ -11578,6 +11584,8 @@ static const char signature_args[][4] = { 1, 1, 1, 1 }, #define SH_BLTIN_PV 23 { 0, 8 }, +#define SH_BLTIN_VP 24 + { 8, 0 }, }; /* mcmv: operands considered unsigned. */ /* mmulsum_wq, msad_ubq: result considered unsigned long long. */ @@ -11753,6 +11761,12 @@ static struct builtin_description bdesc[] = CODE_FOR_byterev, "__builtin_sh_media_BYTEREV", SH_BLTIN_2, 0 }, { shmedia_builtin_p, CODE_FOR_prefetch, "__builtin_sh_media_PREFO", SH_BLTIN_PSSV, 0 }, + + { sh1_builtin_p, + CODE_FOR_get_thread_pointer, "__builtin_thread_pointer", SH_BLTIN_VP, 0 }, + { sh1_builtin_p, + CODE_FOR_set_thread_pointer, "__builtin_set_thread_pointer", + SH_BLTIN_PV, 0 }, }; static void diff --git a/gcc/config/sh/sh.md b/gcc/config/sh/sh.md index 7a1c4d33a58..eeed5619063 100644 --- a/gcc/config/sh/sh.md +++ b/gcc/config/sh/sh.md @@ -175,6 +175,7 @@ (UNSPECV_WINDOW_END 10) (UNSPECV_CONST_END 11) (UNSPECV_EH_RETURN 12) + (UNSPECV_GBR 13) ]) ;; ------------------------------------------------------------------------- @@ -10029,13 +10030,37 @@ label: DONE; }) -(define_insn "load_gbr" - [(set (match_operand:SI 0 "register_operand" "=r") (reg:SI GBR_REG)) - (use (reg:SI GBR_REG))] +;;------------------------------------------------------------------------------ +;; Thread pointer getter and setter. +;; +;; On SH the thread pointer is kept in the GBR. +;; These patterns are usually expanded from the respective built-in functions. +(define_expand "get_thread_pointer" + [(set (match_operand:SI 0 "register_operand") (reg:SI GBR_REG))] + "TARGET_SH1") + +;; The store_gbr insn can also be used on !TARGET_SH1 for doing TLS accesses. +(define_insn "store_gbr" + [(set (match_operand:SI 0 "register_operand" "=r") (reg:SI GBR_REG))] "" "stc gbr,%0" [(set_attr "type" "tls_load")]) +(define_expand "set_thread_pointer" + [(set (reg:SI GBR_REG) + (unspec_volatile:SI [(match_operand:SI 0 "register_operand")] + UNSPECV_GBR))] + "TARGET_SH1") + +(define_insn "load_gbr" + [(set (reg:SI GBR_REG) + (unspec_volatile:SI [(match_operand:SI 0 "register_operand" "r")] + UNSPECV_GBR))] + "TARGET_SH1" + "ldc %0,gbr" + [(set_attr "type" "move")]) + +;;------------------------------------------------------------------------------ ;; case instruction for switch statements. ;; Operand 0 is index |