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| author | Maxim Kuvyrkov <maxim@codesourcery.com> | 2009-05-18 07:54:44 +0000 |
|---|---|---|
| committer | Maxim Kuvyrkov <mkuvyrkov@gcc.gnu.org> | 2009-05-18 07:54:44 +0000 |
| commit | 75df395f15f2641bfcae7f1179d3ef963771379c (patch) | |
| tree | e8ce029d9db8c2877121f38cd2a486004490e1d2 /gcc/configure.ac | |
| parent | 676fd528c9990a4f1046b51d40059893c3a71490 (diff) | |
| download | gcc-75df395f15f2641bfcae7f1179d3ef963771379c.zip gcc-75df395f15f2641bfcae7f1179d3ef963771379c.tar.gz gcc-75df395f15f2641bfcae7f1179d3ef963771379c.tar.bz2 | |
M68K TLS support.
* configure.ac (m68k-*-*): Check if binutils support TLS.
* configure: Regenerate.
* config/m68k/predicates.md (symbolic_operand): Extend comment.
* config/m68k/constraints.md (Cu): New constraint.
* config/m68k/m68k.md (UNSPEC_GOTOFF): Remove.
(UNSPEC_RELOC16, UNSPEC_RELOC32): New constants.
(movsi): Handle TLS symbols.
(addsi3_5200): Handle XTLS symbols, indent.
* config/m68k/m68k-protos.h (m68k_legitimize_tls_address): Declare.
(m68k_tls_reference_p): Declare.
(m68k_legitimize_address): Declare.
(m68k_unwrap_symbol): Declare.
* config/m68k/m68k.opt (mxtls): New option.
* config/m68k/m68k.c (ggc.h): Include.
(m68k_output_dwarf_dtprel): Implement hook.
(TARGET_HAVE_TLS, TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
(m68k_expand_prologue): Load GOT pointer when function needs it.
(m68k_illegitimate_symbolic_constant_p): Handle TLS symbols.
(m68k_legitimate_constant_address_p): Same.
(m68k_decompose_address): Handle TLS references.
(m68k_get_gp): New static function.
(enum m68k_reloc): New contants.
(TLS_RELOC_P): New macro.
(m68k_wrap_symbol): New static function.
(m68k_unwrap_symbol): New function.
(m68k_final_prescan_insn_1): New static function.
(m68k_final_prescan_insn): New function.
(m68k_move_to_reg, m68k_wrap_symbol_into_got_ref): New static
functions.
(legitimize_pic_address): Handle TLS references..
(m68k_tls_get_addr, m68k_get_tls_get_addr)
(m68k_libcall_value_in_a0_p)
(m68k_call_tls_get_addr, m68k_read_tp, m68k_get_m68k_read_tp)
(m68k_call_m68k_read_tp): Helper variables and functions for ...
(m68k_legitimize_tls_address): Handle TLS references.
(m68k_tls_symbol_p, m68k_tls_reference_p_1, m68k_tls_reference_p):
New functions.
(m68k_legitimize_address): Handle TLS symbols.
(m68k_get_reloc_decoration): New static function.
(m68k_output_addr_const_extra): Handle UNSPEC_RELOC16 and
UNSPEC_RELOC32.
(m68k_output_dwarf_dtprel): Implement hook.
(print_operand_address): Handle UNSPEC_RELOC16 adn UNSPEC_RELOC32.
(m68k_libcall_value): Return result in A0 instead of D0 when asked by
m68k_call_* routines.
(sched_attr_op_type): Handle TLS symbols.
(gt-m68k.h): Include.
* config/m68k/m68k.h (FINAL_PRESCAN_INSN): Define.
(LEGITIMATE_PIC_OPERAND_P): Support TLS.
* gcc.target/m68k/tls-ie.c: New test.
* gcc.target/m68k/tls-le.c: New test.
* gcc.target/m68k/tls-gd.c: New test.
* gcc.target/m68k/tls-ld.c: New test.
* gcc.target/m68k/tls-ie-xgot.c: New test.
* gcc.target/m68k/tls-le-xtls.c: New test.
* gcc.target/m68k/tls-gd-xgot.c: New test.
* gcc.target/m68k/tls-ld-xgot.c: New test.
* gcc.target/m68k/tls-ld-xtls.c: New test.
* gcc.target/m68k/tls-ld-xgot-xtls.c: New test.
From-SVN: r147654
Diffstat (limited to 'gcc/configure.ac')
| -rw-r--r-- | gcc/configure.ac | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/configure.ac b/gcc/configure.ac index 5f9276c..80f9422 100644 --- a/gcc/configure.ac +++ b/gcc/configure.ac @@ -2570,6 +2570,22 @@ x: tls_first_minor=16 tls_as_opt='-32 --fatal-warnings' ;; + m68k-*-*) + conftest_s=' + .section .tdata,"awT",@progbits +x: + .word 2 + .text +foo: + move.l x@TLSGD(%a5),%a0 + move.l x@TLSLDM(%a5),%a0 + move.l x@TLSLDO(%a5),%a0 + move.l x@TLSIE(%a5),%a0 + move.l x@TLSLE(%a5),%a0' + tls_first_major=2 + tls_first_minor=19 + tls_as_opt='--fatal-warnings' + ;; powerpc-*-*) conftest_s=' .section ".tdata","awT",@progbits |