+2019-11-12 Alan Modra <amodra@gmail.com>
+
+ * config/rs6000/rs6000.opt (mtls-markers): Delete.
+ * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Don't define.
+ (IS_NOMARK_TLSGETADDR): Likewise.
+ * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Delete.
+ * config/rs6000/rs6000.c (rs6000_output_tlsargs): Delete.
+ (rs6000_legitimize_tls_address): Remove !TARGET_TLS_MARKERS code.
+ (rs6000_call_template_1): Delete TARGET_TLS_MARKERS test and
+ allow other UNSPECs besides UNSPEC_TLSGD and UNSPEC_TLSLD.
+ (rs6000_indirect_call_template_1): Likewise.
+ (rs6000_pltseq_template): Likewise.
+ (rs6000_opt_vars): Remove "tls-markers" entry.
+ * config/rs6000/rs6000.md (tls_gd<bits>): Replace TARGET_TLS_MARKERS
+ with TARGET_ELF.
+ (tls_gd_high<bits>, tls_gd_low<bits>): Likewise.
+ (tls_ld<bits>, tls_ld_high<bits>, tls_ld_low<bits>): Likewise.
+ (pltseq_plt_pcrel<mode>): Likewise.
+ (call_value_local32): Remove IS_NOMARK_TLSGETADDR predicate test.
+ (call_value_local64): Likewise.
+ (call_value_indirect_nonlocal_sysv<mode>): Remove IS_NOMARK_TLSGETADDR
+ output and length attribute sub-expression.
+ (call_value_nonlocal_sysv<mode>),
+ (call_value_nonlocal_sysv_secure<mode>),
+ (call_value_local_aix<mode>, call_value_nonlocal_aix<mode>),
+ (call_value_indirect_aix<mode>, call_value_indirect_elfv2<mode>),
+ (call_value_indirect_pcrel<mode>): Likewise.
+ * doc/install.texi (powerpc-*-*): Require binutils-2.20.
+ * configure.ac (HAVE_AS_TLS_MARKERS): Delete test.
+ * configure: Regenerate.
+ * config.in: Regenerate.
+
2019-11-11 Michael Meissner <meissner@linux.ibm.com>
* config/rs6000/predicates.md (prefixed_memory): New predicate.
#endif
-/* Define if your assembler supports arg info for __tls_get_addr. */
-#ifndef USED_FOR_TARGET
-#undef HAVE_AS_TLS_MARKERS
-#endif
-
-
/* Define if your assembler supports vl/vst/vlm/vstm with an optional
alignment hint argument. */
#ifndef USED_FOR_TARGET
extern void rs6000_emit_move (rtx, rtx, machine_mode);
extern bool rs6000_legitimate_offset_address_p (machine_mode, rtx,
bool, bool);
-extern void rs6000_output_tlsargs (rtx *);
extern rtx rs6000_find_base_term (rtx);
extern rtx rs6000_return_addr (int, rtx);
extern void rs6000_output_symbol_ref (FILE*, rtx);
return dest;
}
-/* Output arg setup instructions for a !TARGET_TLS_MARKERS
- __tls_get_addr call. */
-
-void
-rs6000_output_tlsargs (rtx *operands)
-{
- /* Set up operands for output_asm_insn, without modifying OPERANDS. */
- rtx op[3];
-
- /* The set dest of the call, ie. r3, which is also the first arg reg. */
- op[0] = operands[0];
- /* The TLS symbol from global_tlsarg stashed as CALL operand 2. */
- op[1] = XVECEXP (operands[2], 0, 0);
- if (XINT (operands[2], 1) == UNSPEC_TLSGD)
- {
- /* The GOT register. */
- op[2] = XVECEXP (operands[2], 0, 1);
- if (TARGET_CMODEL != CMODEL_SMALL)
- output_asm_insn ("addis %0,%2,%1@got@tlsgd@ha\n\t"
- "addi %0,%0,%1@got@tlsgd@l", op);
- else
- output_asm_insn ("addi %0,%2,%1@got@tlsgd", op);
- }
- else if (XINT (operands[2], 1) == UNSPEC_TLSLD)
- {
- if (TARGET_CMODEL != CMODEL_SMALL)
- output_asm_insn ("addis %0,%1,%&@got@tlsld@ha\n\t"
- "addi %0,%0,%&@got@tlsld@l", op);
- else
- output_asm_insn ("addi %0,%1,%&@got@tlsld", op);
- }
- else
- gcc_unreachable ();
-}
-
/* Passes the tls arg value for global dynamic and local dynamic
emit_library_call_value in rs6000_legitimize_tls_address to
rs6000_call_aix and rs6000_call_sysv. This is used to emit the
rtx arg = gen_rtx_UNSPEC (Pmode, gen_rtvec (2, addr, got),
UNSPEC_TLSGD);
tga = rs6000_tls_get_addr ();
+ rtx argreg = gen_rtx_REG (Pmode, 3);
+ emit_insn (gen_rtx_SET (argreg, arg));
global_tlsarg = arg;
- if (TARGET_TLS_MARKERS)
- {
- rtx argreg = gen_rtx_REG (Pmode, 3);
- emit_insn (gen_rtx_SET (argreg, arg));
- emit_library_call_value (tga, dest, LCT_CONST, Pmode,
- argreg, Pmode);
- }
- else
- emit_library_call_value (tga, dest, LCT_CONST, Pmode);
+ emit_library_call_value (tga, dest, LCT_CONST, Pmode, argreg, Pmode);
global_tlsarg = NULL_RTX;
/* Make a note so that the result of this call can be CSEd. */
rtx arg = gen_rtx_UNSPEC (Pmode, gen_rtvec (1, got), UNSPEC_TLSLD);
tga = rs6000_tls_get_addr ();
tmp1 = gen_reg_rtx (Pmode);
+ rtx argreg = gen_rtx_REG (Pmode, 3);
+ emit_insn (gen_rtx_SET (argreg, arg));
global_tlsarg = arg;
- if (TARGET_TLS_MARKERS)
- {
- rtx argreg = gen_rtx_REG (Pmode, 3);
- emit_insn (gen_rtx_SET (argreg, arg));
- emit_library_call_value (tga, tmp1, LCT_CONST, Pmode,
- argreg, Pmode);
- }
- else
- emit_library_call_value (tga, tmp1, LCT_CONST, Pmode);
+ emit_library_call_value (tga, tmp1, LCT_CONST, Pmode, argreg, Pmode);
global_tlsarg = NULL_RTX;
/* Make a note so that the result of this call can be CSEd. */
char arg[12];
arg[0] = 0;
- if (TARGET_TLS_MARKERS && GET_CODE (operands[funop + 1]) == UNSPEC)
+ if (GET_CODE (operands[funop + 1]) == UNSPEC)
{
if (XINT (operands[funop + 1], 1) == UNSPEC_TLSGD)
sprintf (arg, "(%%%u@tlsgd)", funop + 1);
else if (XINT (operands[funop + 1], 1) == UNSPEC_TLSLD)
sprintf (arg, "(%%&@tlsld)");
- else
- gcc_unreachable ();
}
/* The magic 32768 offset here corresponds to the offset of
const char *rel64 = TARGET_64BIT ? "64" : "";
char tls[29];
tls[0] = 0;
- if (TARGET_TLS_MARKERS && GET_CODE (operands[funop + 1]) == UNSPEC)
+ if (GET_CODE (operands[funop + 1]) == UNSPEC)
{
if (XINT (operands[funop + 1], 1) == UNSPEC_TLSGD)
sprintf (tls, ".reloc .,R_PPC%s_TLSGD,%%%u\n\t",
else if (XINT (operands[funop + 1], 1) == UNSPEC_TLSLD)
sprintf (tls, ".reloc .,R_PPC%s_TLSLD,%%&\n\t",
rel64);
- else
- gcc_unreachable ();
}
const char *notoc = rs6000_pcrel_p (cfun) ? "_NOTOC" : "";
const char *rel64 = TARGET_64BIT ? "64" : "";
char tls[30];
tls[0] = 0;
- if (TARGET_TLS_MARKERS && GET_CODE (operands[3]) == UNSPEC)
+ if (GET_CODE (operands[3]) == UNSPEC)
{
char off = which == RS6000_PLTSEQ_PLT_PCREL34 ? '8' : '4';
if (XINT (operands[3], 1) == UNSPEC_TLSGD)
else if (XINT (operands[3], 1) == UNSPEC_TLSLD)
sprintf (tls, ".reloc .-%c,R_PPC%s_TLSLD,%%&\n\t",
off, rel64);
- else
- gcc_unreachable ();
}
gcc_assert (DEFAULT_ABI == ABI_ELFv2 || DEFAULT_ABI == ABI_V4);
{ "align-branch-targets",
offsetof (struct gcc_options, x_TARGET_ALIGN_BRANCH_TARGETS),
offsetof (struct cl_target_option, x_TARGET_ALIGN_BRANCH_TARGETS), },
- { "tls-markers",
- offsetof (struct gcc_options, x_tls_markers),
- offsetof (struct cl_target_option, x_tls_markers), },
{ "sched-prolog",
offsetof (struct gcc_options, x_TARGET_SCHED_PROLOG),
offsetof (struct cl_target_option, x_TARGET_SCHED_PROLOG), },
#define TARGET_MFCRF 0
#endif
-/* Define TARGET_TLS_MARKERS if the target assembler does not support
- arg markers for __tls_get_addr calls. */
-#ifndef HAVE_AS_TLS_MARKERS
-#undef TARGET_TLS_MARKERS
-#define TARGET_TLS_MARKERS 0
-#else
-#define TARGET_TLS_MARKERS tls_markers
-#endif
-
#ifndef TARGET_SECURE_PLT
#define TARGET_SECURE_PLT 0
#endif
#define IS_V4_FP_ARGS(OP) \
((INTVAL (OP) & (CALL_V4_CLEAR_FP_ARGS | CALL_V4_SET_FP_ARGS)) != 0)
-/* Whether OP is an UNSPEC used in !TARGET_TLS_MARKER calls. */
-#define IS_NOMARK_TLSGETADDR(OP) \
- (!TARGET_TLS_MARKERS \
- && GET_CODE (OP) == UNSPEC \
- && (XINT (OP, 1) == UNSPEC_TLSGD \
- || XINT (OP, 1) == UNSPEC_TLSLD))
-
/* We don't have prologue and epilogue functions to save/restore
everything for most ABIs. */
#define WORLD_SAVE_P(INFO) 0
(unspec:P [(match_operand:P 1 "rs6000_tls_symbol_ref" "")
(match_operand:P 2 "gpc_reg_operand" "b")]
UNSPEC_TLSGD))]
- "HAVE_AS_TLS && TARGET_TLS_MARKERS"
+ "HAVE_AS_TLS && TARGET_ELF"
"addi %0,%2,%1@got@tlsgd"
"&& TARGET_CMODEL != CMODEL_SMALL"
[(set (match_dup 3)
(unspec:P [(match_operand:P 1 "rs6000_tls_symbol_ref" "")
(match_operand:P 2 "gpc_reg_operand" "b")]
UNSPEC_TLSGD)))]
- "HAVE_AS_TLS && TARGET_TLS_MARKERS && TARGET_CMODEL != CMODEL_SMALL"
+ "HAVE_AS_TLS && TARGET_ELF && TARGET_CMODEL != CMODEL_SMALL"
"addis %0,%2,%1@got@tlsgd@ha")
(define_insn "*tls_gd_low<bits>"
(unspec:P [(match_operand:P 2 "rs6000_tls_symbol_ref" "")
(match_operand:P 3 "gpc_reg_operand" "b")]
UNSPEC_TLSGD)))]
- "HAVE_AS_TLS && TARGET_TLS_MARKERS && TARGET_CMODEL != CMODEL_SMALL"
+ "HAVE_AS_TLS && TARGET_ELF && TARGET_CMODEL != CMODEL_SMALL"
"addi %0,%1,%2@got@tlsgd@l")
(define_insn_and_split "*tls_ld<bits>"
[(set (match_operand:P 0 "gpc_reg_operand" "=b")
(unspec:P [(match_operand:P 1 "gpc_reg_operand" "b")]
UNSPEC_TLSLD))]
- "HAVE_AS_TLS && TARGET_TLS_MARKERS"
+ "HAVE_AS_TLS && TARGET_ELF"
"addi %0,%1,%&@got@tlsld"
"&& TARGET_CMODEL != CMODEL_SMALL"
[(set (match_dup 2)
(high:P
(unspec:P [(match_operand:P 1 "gpc_reg_operand" "b")]
UNSPEC_TLSLD)))]
- "HAVE_AS_TLS && TARGET_TLS_MARKERS && TARGET_CMODEL != CMODEL_SMALL"
+ "HAVE_AS_TLS && TARGET_ELF && TARGET_CMODEL != CMODEL_SMALL"
"addis %0,%1,%&@got@tlsld@ha")
(define_insn "*tls_ld_low<bits>"
(lo_sum:P (match_operand:P 1 "gpc_reg_operand" "b")
(unspec:P [(match_operand:P 2 "gpc_reg_operand" "b")]
UNSPEC_TLSLD)))]
- "HAVE_AS_TLS && TARGET_TLS_MARKERS && TARGET_CMODEL != CMODEL_SMALL"
+ "HAVE_AS_TLS && TARGET_ELF && TARGET_CMODEL != CMODEL_SMALL"
"addi %0,%1,%&@got@tlsld@l")
(define_insn "tls_dtprel_<bits>"
(match_operand:P 2 "symbol_ref_operand" "s")
(match_operand:P 3 "" "")]
UNSPEC_PLT_PCREL))]
- "HAVE_AS_PLTSEQ && TARGET_TLS_MARKERS
+ "HAVE_AS_PLTSEQ && TARGET_ELF
&& rs6000_pcrel_p (cfun)"
{
return rs6000_pltseq_template (operands, RS6000_PLTSEQ_PLT_PCREL34);
(match_operand 2)))
(use (match_operand:SI 3 "immediate_operand" "O,n"))
(clobber (reg:SI LR_REGNO))]
- "(INTVAL (operands[3]) & CALL_LONG) == 0
- && !IS_NOMARK_TLSGETADDR (operands[2])"
+ "(INTVAL (operands[3]) & CALL_LONG) == 0"
{
if (INTVAL (operands[3]) & CALL_V4_SET_FP_ARGS)
output_asm_insn ("crxor 6,6,6", operands);
(match_operand 2)))
(use (match_operand:SI 3 "immediate_operand" "O,n"))
(clobber (reg:DI LR_REGNO))]
- "TARGET_64BIT && (INTVAL (operands[3]) & CALL_LONG) == 0
- && !IS_NOMARK_TLSGETADDR (operands[2])"
+ "TARGET_64BIT && (INTVAL (operands[3]) & CALL_LONG) == 0"
{
if (INTVAL (operands[3]) & CALL_V4_SET_FP_ARGS)
output_asm_insn ("crxor 6,6,6", operands);
"DEFAULT_ABI == ABI_V4
|| DEFAULT_ABI == ABI_DARWIN"
{
- if (IS_NOMARK_TLSGETADDR (operands[2]))
- rs6000_output_tlsargs (operands);
-
- else if (INTVAL (operands[3]) & CALL_V4_SET_FP_ARGS)
+ if (INTVAL (operands[3]) & CALL_V4_SET_FP_ARGS)
output_asm_insn ("crxor 6,6,6", operands);
else if (INTVAL (operands[3]) & CALL_V4_CLEAR_FP_ARGS)
[(set_attr "type" "jmpreg")
(set (attr "length")
(plus
- (if_then_else (ior (match_test "IS_NOMARK_TLSGETADDR (operands[2])")
- (match_test "IS_V4_FP_ARGS (operands[3])"))
+ (if_then_else (match_test "IS_V4_FP_ARGS (operands[3])")
(const_int 4)
(const_int 0))
(if_then_else (and (match_test "!rs6000_speculate_indirect_jumps")
|| (DEFAULT_ABI == ABI_V4
&& (INTVAL (operands[3]) & CALL_LONG) == 0))"
{
- if (IS_NOMARK_TLSGETADDR (operands[2]))
- rs6000_output_tlsargs (operands);
-
- else if (INTVAL (operands[3]) & CALL_V4_SET_FP_ARGS)
+ if (INTVAL (operands[3]) & CALL_V4_SET_FP_ARGS)
output_asm_insn ("crxor 6,6,6", operands);
else if (INTVAL (operands[3]) & CALL_V4_CLEAR_FP_ARGS)
}
[(set_attr "type" "branch")
(set (attr "length")
- (if_then_else (ior (match_test "IS_NOMARK_TLSGETADDR (operands[2])")
- (match_test "IS_V4_FP_ARGS (operands[3])"))
+ (if_then_else (match_test "IS_V4_FP_ARGS (operands[3])")
(const_int 8)
(const_int 4)))])
&& TARGET_SECURE_PLT && flag_pic && !SYMBOL_REF_LOCAL_P (operands[1])
&& (INTVAL (operands[3]) & CALL_LONG) == 0)"
{
- if (IS_NOMARK_TLSGETADDR (operands[2]))
- rs6000_output_tlsargs (operands);
-
- else if (INTVAL (operands[3]) & CALL_V4_SET_FP_ARGS)
+ if (INTVAL (operands[3]) & CALL_V4_SET_FP_ARGS)
output_asm_insn ("crxor 6,6,6", operands);
else if (INTVAL (operands[3]) & CALL_V4_CLEAR_FP_ARGS)
}
[(set_attr "type" "branch")
(set (attr "length")
- (if_then_else (ior (match_test "IS_NOMARK_TLSGETADDR (operands[2])")
- (match_test "IS_V4_FP_ARGS (operands[3])"))
+ (if_then_else (match_test "IS_V4_FP_ARGS (operands[3])")
(const_int 8)
(const_int 4)))])
(call (mem:SI (match_operand:P 1 "current_file_function_operand" "s"))
(match_operand 2)))
(clobber (reg:P LR_REGNO))]
- "(DEFAULT_ABI == ABI_AIX || DEFAULT_ABI == ABI_ELFv2)
- && !IS_NOMARK_TLSGETADDR (operands[2])"
+ "DEFAULT_ABI == ABI_AIX || DEFAULT_ABI == ABI_ELFv2"
{
if (rs6000_pcrel_p (cfun))
return "bl %z1@notoc";
(clobber (reg:P LR_REGNO))]
"DEFAULT_ABI == ABI_AIX || DEFAULT_ABI == ABI_ELFv2"
{
- if (IS_NOMARK_TLSGETADDR (operands[2]))
- rs6000_output_tlsargs (operands);
-
return rs6000_call_template (operands, 1);
}
[(set_attr "type" "branch")
(set (attr "length")
- (plus (if_then_else (match_test "IS_NOMARK_TLSGETADDR (operands[2])")
- (if_then_else (match_test "TARGET_CMODEL != CMODEL_SMALL")
- (const_int 8)
- (const_int 4))
- (const_int 0))
- (if_then_else (match_test "rs6000_pcrel_p (cfun)")
- (const_int 4)
- (const_int 8))))])
+ (if_then_else (match_test "rs6000_pcrel_p (cfun)")
+ (const_int 4)
+ (const_int 8)))])
;; Call to indirect functions with the AIX abi using a 3 word descriptor.
;; Operand0 is the addresss of the function to call
(clobber (reg:P LR_REGNO))]
"DEFAULT_ABI == ABI_AIX"
{
- if (IS_NOMARK_TLSGETADDR (operands[2]))
- rs6000_output_tlsargs (operands);
-
return rs6000_indirect_call_template (operands, 1);
}
[(set_attr "type" "jmpreg")
(set (attr "length")
- (plus
- (if_then_else (match_test "IS_NOMARK_TLSGETADDR (operands[2])")
- (if_then_else (match_test "TARGET_CMODEL != CMODEL_SMALL")
- (const_int 8)
- (const_int 4))
- (const_int 0))
- (if_then_else (and (match_test "!rs6000_speculate_indirect_jumps")
- (match_test "which_alternative != 1"))
+ (if_then_else (and (match_test "!rs6000_speculate_indirect_jumps")
+ (match_test "which_alternative != 1"))
(const_string "16")
- (const_string "12"))))])
+ (const_string "12")))])
;; Call to indirect functions with the ELFv2 ABI.
;; Operand0 is the addresss of the function to call
(clobber (reg:P LR_REGNO))]
"DEFAULT_ABI == ABI_ELFv2"
{
- if (IS_NOMARK_TLSGETADDR (operands[2]))
- rs6000_output_tlsargs (operands);
-
return rs6000_indirect_call_template (operands, 1);
}
[(set_attr "type" "jmpreg")
(set (attr "length")
- (plus
- (if_then_else (match_test "IS_NOMARK_TLSGETADDR (operands[2])")
- (if_then_else (match_test "TARGET_CMODEL != CMODEL_SMALL")
- (const_int 8)
- (const_int 4))
- (const_int 0))
- (if_then_else (and (match_test "!rs6000_speculate_indirect_jumps")
- (match_test "which_alternative != 1"))
+ (if_then_else (and (match_test "!rs6000_speculate_indirect_jumps")
+ (match_test "which_alternative != 1"))
(const_string "12")
- (const_string "8"))))])
+ (const_string "8")))])
(define_insn "*call_value_indirect_pcrel<mode>"
[(set (match_operand 0 "" "")
(clobber (reg:P LR_REGNO))]
"rs6000_pcrel_p (cfun)"
{
- if (IS_NOMARK_TLSGETADDR (operands[2]))
- rs6000_output_tlsargs (operands);
-
return rs6000_indirect_call_template (operands, 1);
}
[(set_attr "type" "jmpreg")
(set (attr "length")
- (plus
- (if_then_else (match_test "IS_NOMARK_TLSGETADDR (operands[2])")
- (if_then_else (match_test "TARGET_CMODEL != CMODEL_SMALL")
- (const_int 8)
- (const_int 4))
- (const_int 0))
- (if_then_else (and (match_test "!rs6000_speculate_indirect_jumps")
- (match_test "which_alternative != 1"))
+ (if_then_else (and (match_test "!rs6000_speculate_indirect_jumps")
+ (match_test "which_alternative != 1"))
(const_string "8")
- (const_string "4"))))])
+ (const_string "4")))])
;; Call subroutine returning any type.
(define_expand "untyped_call"
Target Report Var(TARGET_AVOID_XFORM) Init(-1) Save
Avoid generation of indexed load/store instructions when possible.
-mtls-markers
-Target Report Var(tls_markers) Init(1) Save
-Mark __tls_get_addr calls with argument info.
-
msched-epilog
Target Undocumented Var(TARGET_SCHED_PROLOG) Init(1) Save
fi
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for tls marker support" >&5
-$as_echo_n "checking assembler for tls marker support... " >&6; }
-if ${gcc_cv_as_powerpc_tls_markers+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- gcc_cv_as_powerpc_tls_markers=no
- if test $in_tree_gas = yes; then
- if test $gcc_cv_gas_vers -ge `expr \( \( 2 \* 1000 \) + 20 \) \* 1000 + 0`
- then gcc_cv_as_powerpc_tls_markers=yes
-fi
- elif test x$gcc_cv_as != x; then
- $as_echo ' bl __tls_get_addr(x@tlsgd)' > conftest.s
- if { ac_try='$gcc_cv_as $gcc_cv_as_flags -o conftest.o conftest.s >&5'
- { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
- (eval $ac_try) 2>&5
- ac_status=$?
- $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- test $ac_status = 0; }; }
- then
- gcc_cv_as_powerpc_tls_markers=yes
- else
- echo "configure: failed program was" >&5
- cat conftest.s >&5
- fi
- rm -f conftest.o conftest.s
- fi
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_as_powerpc_tls_markers" >&5
-$as_echo "$gcc_cv_as_powerpc_tls_markers" >&6; }
-if test $gcc_cv_as_powerpc_tls_markers = yes; then
-
-$as_echo "#define HAVE_AS_TLS_MARKERS 1" >>confdefs.h
-
-fi
-
-
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for prologue entry point marker support" >&5
$as_echo_n "checking assembler for prologue entry point marker support... " >&6; }
if ${gcc_cv_as_powerpc_entry_markers+:} false; then :
[AC_DEFINE(HAVE_AS_GNU_ATTRIBUTE, 1,
[Define if your assembler supports .gnu_attribute.])])
- gcc_GAS_CHECK_FEATURE([tls marker support],
- gcc_cv_as_powerpc_tls_markers, [2,20,0],,
- [ bl __tls_get_addr(x@tlsgd)],,
- [AC_DEFINE(HAVE_AS_TLS_MARKERS, 1,
- [Define if your assembler supports arg info for __tls_get_addr.])])
-
gcc_GAS_CHECK_FEATURE([prologue entry point marker support],
gcc_cv_as_powerpc_entry_markers, [2,26,0],-a64 --fatal-warnings,
[ .reloc .,R_PPC64_ENTRY; nop],,
You can specify a default version for the @option{-mcpu=@var{cpu_type}}
switch by using the configure option @option{--with-cpu-@var{cpu_type}}.
-You will need GNU binutils 2.15 or newer.
+You will need GNU binutils 2.20 or newer.
@html
<hr />
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