configure.in (HAVE_AS_TLS): Add powerpc and powerpc64 tests.

2003-05-12  Janis Johnson  <janis187@us.ibm.com>
	    Alan Modra  <amodra@bigpond.net.au>
	    Jakub Jelinek  <jakub@redhat.com>

	* configure.in (HAVE_AS_TLS): Add powerpc and powerpc64 tests.
	* configure: Rebuild.
	* config/rs6000/rs6000-protos.h: Update.
	* config/rs6000/rs6000.c (rs6000_tls_size): New.
	(rs6000_tls_size_string): New.
	(rs6000_parse_tls_size_option): New.
	(rs6000_legitimize_tls_address): New.
	(rs6000_tls_get_addr): New.
	(rs6000_got_sym): New.
	(rs6000_tls_symbol_ref): New.
	(rs6000_tls_symbol_ref_1): New.
	(rs6000_get_some_local_dynamic_name): New.
	(rs6000_get_some_local_dynamic_name_1): New.
	(TARGET_HAVE_TLS): New.
	(TARGET_CANNOT_FORCE_CONST_MEM): New.
	(rs6000_override_options): Handle -mtls-size option.
	(constant_pool_expr_1): Handle TLS symbols.
	(rs6000_legitimize_address): Handle TLS symbols.
	(rs6000_tls_referenced_p): New.
	(rs6000_legitimate_address): Handle TLS symbols.
	(rs6000_emit_move): Handle TLS symbols.
	(print_operand): Handle TLS symbols.
	(uses_TOC): Handle TLS symbols.
	(rs6000_emit_prologue): Use symbol for unspec constant.
	* config/rs6000/rs6000.h (HAVE_AS_TLS): New.
	(some_ld_name): New.
	(LEGITIMATE_CONSTANT_P): Handle TLS symbols.
	(PRINT_OPERAND_PUNCT_VALID_P): Handle TLS symbols.
	(PREDICATE_CODES): Add rs6000_tls_symbol_ref.
	* config/rs6000/rs6000.md (load_toc_v4_PIC_1, load_toc_v4_PIC_1b):
	Support TLS.
	(tls_gd_32, tls_gd_64, tls_ld_32, tls_ld_64, tls_dtprel_32,
	tls_dtprel_64, tls_dtprel_ha_32, tls_dtprel_ha_64, tls_dtprel_lo_32,
	tls_dtprel_lo_64, tls_got_dtprel_32, tls_got_dtprel_64, tls_tprel_32,
	tls_tprel_64, tls_tprel_ha_32, tls_tprel_ha_64, tls_tprel_lo_32,
	tls_tprel_lo_64, tls_got_tprel_32, tls_got_tprel_64, tls_tls_32,
	tls_tls_64): New.
	* config/rs6000/sysv4.h (SUBTARGET_OPTIONS): Add tls_size.

Co-Authored-By: Alan Modra <amodra@bigpond.net.au>
Co-Authored-By: Jakub Jelinek <jakub@redhat.com>

From-SVN: r66742

gcc/ChangeLog

+2003-05-12  Janis Johnson  <janis187@us.ibm.com>
+	    Alan Modra  <amodra@bigpond.net.au>
+	    Jakub Jelinek  <jakub@redhat.com>
+
+	* configure.in (HAVE_AS_TLS): Add powerpc and powerpc64 tests.
+	* configure: Rebuild.
+	* config/rs6000/rs6000-protos.h: Update.
+	* config/rs6000/rs6000.c (rs6000_tls_size): New.
+	(rs6000_tls_size_string): New.
+	(rs6000_parse_tls_size_option): New.
+	(rs6000_legitimize_tls_address): New.
+	(rs6000_tls_get_addr): New.
+	(rs6000_got_sym): New.
+	(rs6000_tls_symbol_ref): New.
+	(rs6000_tls_symbol_ref_1): New.
+	(rs6000_get_some_local_dynamic_name): New.
+	(rs6000_get_some_local_dynamic_name_1): New.
+	(TARGET_HAVE_TLS): New.
+	(TARGET_CANNOT_FORCE_CONST_MEM): New.
+	(rs6000_override_options): Handle -mtls-size option.
+	(constant_pool_expr_1): Handle TLS symbols.
+	(rs6000_legitimize_address): Handle TLS symbols.
+	(rs6000_tls_referenced_p): New.
+	(rs6000_legitimate_address): Handle TLS symbols.
+	(rs6000_emit_move): Handle TLS symbols.
+	(print_operand): Handle TLS symbols.
+	(uses_TOC): Handle TLS symbols.
+	(rs6000_emit_prologue): Use symbol for unspec constant.
+	* config/rs6000/rs6000.h (HAVE_AS_TLS): New.
+	(some_ld_name): New.
+	(LEGITIMATE_CONSTANT_P): Handle TLS symbols.
+	(PRINT_OPERAND_PUNCT_VALID_P): Handle TLS symbols.
+	(PREDICATE_CODES): Add rs6000_tls_symbol_ref.
+	* config/rs6000/rs6000.md (load_toc_v4_PIC_1, load_toc_v4_PIC_1b):
+	Support TLS.
+	(tls_gd_32, tls_gd_64, tls_ld_32, tls_ld_64, tls_dtprel_32,
+	tls_dtprel_64, tls_dtprel_ha_32, tls_dtprel_ha_64, tls_dtprel_lo_32,
+	tls_dtprel_lo_64, tls_got_dtprel_32, tls_got_dtprel_64, tls_tprel_32,
+	tls_tprel_64, tls_tprel_ha_32, tls_tprel_ha_64, tls_tprel_lo_32,
+	tls_tprel_lo_64, tls_got_tprel_32, tls_got_tprel_64, tls_tls_32,
+	tls_tls_64): New.
+	* config/rs6000/sysv4.h (SUBTARGET_OPTIONS): Add tls_size.
+
 2003-05-12  Neil Booth  <neil@cat.daikokuya.co.uk>
 
 	* Makefile.in (stage2_build, stage3_build, stage4_build):

gcc/config/rs6000/rs6000-protos.h

@@ -195,6 +195,8 @@ extern int rs6000_register_move_cost PARAMS ((enum machine_mode,
 					      enum reg_class, enum reg_class));
 extern int rs6000_memory_move_cost PARAMS ((enum machine_mode,
 					    enum reg_class, int));
+extern bool rs6000_tls_referenced_p PARAMS ((rtx));
+extern int rs6000_tls_symbol_ref PARAMS ((rtx, enum machine_mode));
 
 /* Declare functions in rs6000-c.c */
 

gcc/config/rs6000/rs6000.h

@@ -211,6 +211,10 @@ extern int target_flags;
 #define TARGET_UPDATE		(! TARGET_NO_UPDATE)
 #define TARGET_FUSED_MADD	(! TARGET_NO_FUSED_MADD)
 
+#ifndef HAVE_AS_TLS
+#define HAVE_AS_TLS 0
+#endif
+
 #ifdef IN_LIBGCC2
 /* For libgcc2 we make sure this is a compile time constant */
 #if defined (__64BIT__) || defined (__powerpc64__)
@@ -1675,6 +1679,8 @@ typedef struct machine_function GTY(())
   int sysv_varargs_p;
   /* Flags if __builtin_return_address (n) with n >= 1 was used.  */
   int ra_needs_full_frame;
+  /* Some local-dynamic symbol.  */
+  const char *some_ld_name;
   /* Whether the instruction chain has been scanned already.  */
   int insn_chain_scanned_p;
 } machine_function;
@@ -2012,9 +2018,10 @@ typedef struct rs6000_args
    acceptable.  */
 
 #define LEGITIMATE_CONSTANT_P(X)				\
-  (GET_CODE (X) != CONST_DOUBLE || GET_MODE (X) == VOIDmode	\
-   || (TARGET_POWERPC64 && GET_MODE (X) == DImode)		\
-   || easy_fp_constant (X, GET_MODE (X)))
+  ((GET_CODE (X) != CONST_DOUBLE || GET_MODE (X) == VOIDmode	\
+    || (TARGET_POWERPC64 && GET_MODE (X) == DImode)		\
+    || easy_fp_constant (X, GET_MODE (X)))			\
+   && !rs6000_tls_referenced_p (X))
 
 /* The macros REG_OK_FOR..._P assume that the arg is a REG rtx
    and check its validity for a certain class.
@@ -2643,7 +2650,7 @@ extern char rs6000_reg_names[][8];	/* register names (0 vs. %r0).  */
 /* Define which CODE values are valid.  */
 
 #define PRINT_OPERAND_PUNCT_VALID_P(CODE)  \
-  ((CODE) == '.')
+  ((CODE) == '.' || (CODE) == '&')
 
 /* Print a memory address as an operand to reference that memory location.  */
 
@@ -2674,6 +2681,7 @@ extern char rs6000_reg_names[][8];	/* register names (0 vs. %r0).  */
   {"reg_or_logical_cint_operand", {SUBREG, REG, CONST_INT, CONST_DOUBLE}}, \
   {"got_operand", {SYMBOL_REF, CONST, LABEL_REF}},			   \
   {"got_no_const_operand", {SYMBOL_REF, LABEL_REF}},			   \
+  {"rs6000_tls_symbol_ref", {SYMBOL_REF}},				   \
   {"easy_fp_constant", {CONST_DOUBLE}},					   \
   {"easy_vector_constant", {CONST_VECTOR}},				   \
   {"easy_vector_constant_add_self", {CONST_VECTOR}},			   \
@@ -2697,6 +2705,7 @@ extern char rs6000_reg_names[][8];	/* register names (0 vs. %r0).  */
   {"count_register_operand", {REG}},					   \
   {"xer_operand", {REG}},						   \
   {"symbol_ref_operand", {SYMBOL_REF}},					   \
+  {"rs6000_tls_symbol_ref", {SYMBOL_REF}},				   \
   {"call_operand", {SYMBOL_REF, REG}},					   \
   {"current_file_function_operand", {SYMBOL_REF}},			   \
   {"input_operand", {SUBREG, MEM, REG, CONST_INT,			   \

gcc/config/rs6000/rs6000.md

@@ -9718,6 +9718,186 @@
    && addrs_ok_for_quad_peep (XEXP (operands[0], 0), XEXP (operands[2], 0))"
   "stfq%U0%X0 %1,%0")
 
+;; TLS support.
+
+;; "b" output constraint here and on tls_ld to support tls linker optimization.
+(define_insn "tls_gd_32"
+  [(set (match_operand:SI 0 "register_operand" "=b")
+	(unspec:SI [(match_operand:SI 1 "register_operand" "b")
+		    (match_operand:SI 2 "rs6000_tls_symbol_ref" "")]
+		   UNSPEC_TLSGD))]
+  "HAVE_AS_TLS && !TARGET_64BIT"
+  "addi %0,%1,%2@got@tlsgd")
+
+(define_insn "tls_gd_64"
+  [(set (match_operand:DI 0 "register_operand" "=b")
+	(unspec:DI [(match_operand:DI 1 "register_operand" "b")
+		    (match_operand:DI 2 "rs6000_tls_symbol_ref" "")]
+		   UNSPEC_TLSGD))]
+  "HAVE_AS_TLS && TARGET_64BIT"
+  "addi %0,%1,%2@got@tlsgd")
+
+(define_insn "tls_ld_32"
+  [(set (match_operand:SI 0 "register_operand" "=b")
+	(unspec:SI [(match_operand:SI 1 "register_operand" "b")]
+		   UNSPEC_TLSLD))]
+  "HAVE_AS_TLS && !TARGET_64BIT"
+  "addi %0,%1,%&@got@tlsld")
+
+(define_insn "tls_ld_64"
+  [(set (match_operand:DI 0 "register_operand" "=b")
+	(unspec:DI [(match_operand:DI 1 "register_operand" "b")]
+		   UNSPEC_TLSLD))]
+  "HAVE_AS_TLS && TARGET_64BIT"
+  "addi %0,%1,%&@got@tlsld")
+
+(define_insn "tls_dtprel_32"
+  [(set (match_operand:SI 0 "register_operand" "=r")
+	(unspec:SI [(match_operand:SI 1 "register_operand" "b")
+		    (match_operand:SI 2 "rs6000_tls_symbol_ref" "")]
+		   UNSPEC_TLSDTPREL))]
+  "HAVE_AS_TLS && !TARGET_64BIT"
+  "addi %0,%1,%2@dtprel")
+
+(define_insn "tls_dtprel_64"
+  [(set (match_operand:DI 0 "register_operand" "=r")
+	(unspec:DI [(match_operand:DI 1 "register_operand" "b")
+		    (match_operand:DI 2 "rs6000_tls_symbol_ref" "")]
+		   UNSPEC_TLSDTPREL))]
+  "HAVE_AS_TLS && TARGET_64BIT"
+  "addi %0,%1,%2@dtprel")
+
+(define_insn "tls_dtprel_ha_32"
+  [(set (match_operand:SI 0 "register_operand" "=r")
+	(unspec:SI [(match_operand:SI 1 "register_operand" "b")
+		    (match_operand:SI 2 "rs6000_tls_symbol_ref" "")]
+		   UNSPEC_TLSDTPRELHA))]
+  "HAVE_AS_TLS && !TARGET_64BIT"
+  "addis %0,%1,%2@dtprel@ha")
+
+(define_insn "tls_dtprel_ha_64"
+  [(set (match_operand:DI 0 "register_operand" "=r")
+	(unspec:DI [(match_operand:DI 1 "register_operand" "b")
+		    (match_operand:DI 2 "rs6000_tls_symbol_ref" "")]
+		   UNSPEC_TLSDTPRELHA))]
+  "HAVE_AS_TLS && TARGET_64BIT"
+  "addis %0,%1,%2@dtprel@ha")
+
+(define_insn "tls_dtprel_lo_32"
+  [(set (match_operand:SI 0 "register_operand" "=r")
+	(unspec:SI [(match_operand:SI 1 "register_operand" "b")
+		    (match_operand:SI 2 "rs6000_tls_symbol_ref" "")]
+		   UNSPEC_TLSDTPRELLO))]
+  "HAVE_AS_TLS && !TARGET_64BIT"
+  "addi %0,%1,%2@dtprel@l")
+
+(define_insn "tls_dtprel_lo_64"
+  [(set (match_operand:DI 0 "register_operand" "=r")
+	(unspec:DI [(match_operand:DI 1 "register_operand" "b")
+		    (match_operand:DI 2 "rs6000_tls_symbol_ref" "")]
+		   UNSPEC_TLSDTPRELLO))]
+  "HAVE_AS_TLS && TARGET_64BIT"
+  "addi %0,%1,%2@dtprel@l")
+
+(define_insn "tls_got_dtprel_32"
+  [(set (match_operand:SI 0 "register_operand" "=r")
+	(unspec:SI [(match_operand:SI 1 "register_operand" "b")
+		    (match_operand:SI 2 "rs6000_tls_symbol_ref" "")]
+		   UNSPEC_TLSGOTDTPREL))]
+  "HAVE_AS_TLS && !TARGET_64BIT"
+  "lwz %0,%2@got@dtprel(%1)")
+
+(define_insn "tls_got_dtprel_64"
+  [(set (match_operand:DI 0 "register_operand" "=r")
+	(unspec:DI [(match_operand:DI 1 "register_operand" "b")
+		    (match_operand:DI 2 "rs6000_tls_symbol_ref" "")]
+		   UNSPEC_TLSGOTDTPREL))]
+  "HAVE_AS_TLS && TARGET_64BIT"
+  "ld %0,%2@got@dtprel(%1)")
+
+(define_insn "tls_tprel_32"
+  [(set (match_operand:SI 0 "register_operand" "=r")
+	(unspec:SI [(match_operand:SI 1 "register_operand" "b")
+		    (match_operand:SI 2 "rs6000_tls_symbol_ref" "")]
+		   UNSPEC_TLSTPREL))]
+  "HAVE_AS_TLS && !TARGET_64BIT"
+  "addi %0,%1,%2@tprel")
+
+(define_insn "tls_tprel_64"
+  [(set (match_operand:DI 0 "register_operand" "=r")
+	(unspec:DI [(match_operand:DI 1 "register_operand" "b")
+		    (match_operand:DI 2 "rs6000_tls_symbol_ref" "")]
+		   UNSPEC_TLSTPREL))]
+  "HAVE_AS_TLS && TARGET_64BIT"
+  "addi %0,%1,%2@tprel")
+
+(define_insn "tls_tprel_ha_32"
+  [(set (match_operand:SI 0 "register_operand" "=r")
+	(unspec:SI [(match_operand:SI 1 "register_operand" "b")
+		    (match_operand:SI 2 "rs6000_tls_symbol_ref" "")]
+		   UNSPEC_TLSTPRELHA))]
+  "HAVE_AS_TLS && !TARGET_64BIT"
+  "addis %0,%1,%2@tprel@ha")
+
+(define_insn "tls_tprel_ha_64"
+  [(set (match_operand:DI 0 "register_operand" "=r")
+	(unspec:DI [(match_operand:DI 1 "register_operand" "b")
+		    (match_operand:DI 2 "rs6000_tls_symbol_ref" "")]
+		   UNSPEC_TLSTPRELHA))]
+  "HAVE_AS_TLS && TARGET_64BIT"
+  "addis %0,%1,%2@tprel@ha")
+
+(define_insn "tls_tprel_lo_32"
+  [(set (match_operand:SI 0 "register_operand" "=r")
+	(unspec:SI [(match_operand:SI 1 "register_operand" "b")
+		    (match_operand:SI 2 "rs6000_tls_symbol_ref" "")]
+		   UNSPEC_TLSTPRELLO))]
+  "HAVE_AS_TLS && !TARGET_64BIT"
+  "addi %0,%1,%2@tprel@l")
+
+(define_insn "tls_tprel_lo_64"
+  [(set (match_operand:DI 0 "register_operand" "=r")
+	(unspec:DI [(match_operand:DI 1 "register_operand" "b")
+		    (match_operand:DI 2 "rs6000_tls_symbol_ref" "")]
+		   UNSPEC_TLSTPRELLO))]
+  "HAVE_AS_TLS && TARGET_64BIT"
+  "addi %0,%1,%2@tprel@l")
+
+;; "b" output contraint here and on tls_tls input to support linker tls
+;; optimization.  The linker may edit the instructions emitted by a
+;; tls_got_tprel/tls_tls pair to addis,addi.
+(define_insn "tls_got_tprel_32"
+  [(set (match_operand:SI 0 "register_operand" "=b")
+	(unspec:SI [(match_operand:SI 1 "register_operand" "b")
+		    (match_operand:SI 2 "rs6000_tls_symbol_ref" "")]
+		   UNSPEC_TLSGOTTPREL))]
+  "HAVE_AS_TLS && !TARGET_64BIT"
+  "lwz %0,%2@got@tprel(%1)")
+
+(define_insn "tls_got_tprel_64"
+  [(set (match_operand:DI 0 "register_operand" "=b")
+	(unspec:DI [(match_operand:DI 1 "register_operand" "b")
+		    (match_operand:DI 2 "rs6000_tls_symbol_ref" "")]
+		   UNSPEC_TLSGOTTPREL))]
+  "HAVE_AS_TLS && TARGET_64BIT"
+  "ld %0,%2@got@tprel(%1)")
+
+(define_insn "tls_tls_32"
+  [(set (match_operand:SI 0 "register_operand" "=r")
+	(unspec:SI [(match_operand:SI 1 "register_operand" "b")
+		    (match_operand:SI 2 "rs6000_tls_symbol_ref" "")]
+		   UNSPEC_TLSTLS))]
+  "HAVE_AS_TLS && !TARGET_64BIT"
+  "add %0,%1,%2@tls")
+
+(define_insn "tls_tls_64"
+  [(set (match_operand:DI 0 "register_operand" "=r")
+	(unspec:DI [(match_operand:DI 1 "register_operand" "b")
+		    (match_operand:DI 2 "rs6000_tls_symbol_ref" "")]
+		   UNSPEC_TLSTLS))]
+  "HAVE_AS_TLS && TARGET_64BIT"
+  "add %0,%1,%2@tls")
+
 ;; Next come insns related to the calling sequence.
 ;;
 ;; First, an insn to allocate new stack space for dynamic use (e.g., alloca).
@@ -9895,7 +10075,7 @@
 (define_insn "load_toc_v4_PIC_1"
   [(set (match_operand:SI 0 "register_operand" "=l")
 	(match_operand:SI 1 "immediate_operand" "s"))
-   (unspec [(match_dup 1)] UNSPEC_TOC)]
+   (use (unspec [(match_dup 1)] UNSPEC_TOC))]
   "TARGET_ELF && DEFAULT_ABI != ABI_AIX && flag_pic == 2"
   "bcl 20,31,%1\\n%1:"
   [(set_attr "type" "branch")
@@ -9904,10 +10084,10 @@
 (define_insn "load_toc_v4_PIC_1b"
   [(set (match_operand:SI 0 "register_operand" "=l")
 	(match_operand:SI 1 "immediate_operand" "s"))
-   (unspec [(match_dup 1) (match_operand 2 "immediate_operand" "s")]
-   	   UNSPEC_TOCPTR)]
+   (use (unspec [(match_dup 1) (match_operand 2 "immediate_operand" "s")]
+		UNSPEC_TOCPTR))]
   "TARGET_ELF && DEFAULT_ABI != ABI_AIX && flag_pic == 2"
-  "bcl 20,31,%1\\n\\t.long %2-%1+4\\n%1:"
+  "bcl 20,31,%1+4\\n%1:\\n\\t.long %2-%1"
   [(set_attr "type" "branch")
    (set_attr "length" "8")])
 

gcc/config/rs6000/sysv4.h

@@ -79,12 +79,15 @@ extern enum rs6000_sdata_type rs6000_sdata;
 /* Strings provided by SUBTARGET_OPTIONS */
 extern const char *rs6000_abi_name;
 extern const char *rs6000_sdata_name;
+extern const char *rs6000_tls_size_string; /* For -mtls-size= */
 
 /* Override rs6000.h definition.  */
 #undef	SUBTARGET_OPTIONS
 #define	SUBTARGET_OPTIONS							\
   { "call-",  &rs6000_abi_name, N_("Select ABI calling convention"), 0},	\
-  { "sdata=", &rs6000_sdata_name, N_("Select method for sdata handling"), 0}
+  { "sdata=", &rs6000_sdata_name, N_("Select method for sdata handling"), 0},	\
+  { "tls-size=", &rs6000_tls_size_string,					\
+   N_("Specify bit size of immediate TLS offsets"), 0 }
 
 /* Max # of bytes for variables to automatically be put into the .sdata
    or .sdata2 sections.  */

gcc/configure

@@ -8196,6 +8196,64 @@ foo:	data8	25
 	tls_first_major=2
 	tls_first_minor=13
 	;;
+  powerpc-*-*)
+    conftest_s='
+	.section ".tdata","awT",@progbits
+	.align 2
+ld0:	.space 4
+ld1:	.space 4
+x1:	.space 4
+x2:	.space 4
+x3:	.space 4
+	.text
+	addi 3,31,ld0@got@tlsgd
+	bl __tls_get_addr
+	addi 3,31,x1@got@tlsld
+	bl __tls_get_addr
+	addi 9,3,x1@dtprel
+	addis 9,3,x2@dtprel@ha
+	addi 9,9,x2@dtprel@l
+	lwz 9,x3@got@tprel(31)
+	add 9,9,x@tls
+	addi 9,2,x1@tprel
+	addis 9,2,x2@tprel@ha
+	addi 9,9,x2@tprel@l'
+	tls_first_major=2
+	tls_first_minor=14
+	;;
+  powerpc64-*-*)
+    conftest_s='
+	.section ".tdata","awT",@progbits
+	.align 3
+ld0:	.space 8
+ld1:	.space 8
+x1:	.space 8
+x2:	.space 8
+x3:	.space 8
+	.text
+	addi 3,2,ld0@got@tlsgd
+	bl .__tls_get_addr
+	nop
+	addi 3,2,ld1@toc
+	bl .__tls_get_addr
+	nop
+	addi 3,2,x1@got@tlsld
+	bl .__tls_get_addr
+	nop
+	addi 9,3,x1@dtprel
+	bl .__tls_get_addr
+	nop
+	addis 9,3,x2@dtprel@ha
+	addi 9,9,x2@dtprel@l
+	bl .__tls_get_addr
+	nop
+	ld 9,x3@got@dtprel(2)
+	add 9,9,3
+	bl .__tls_get_addr
+	nop'
+	tls_first_major=2
+	tls_first_minor=14
+	;;
   s390-*-*)
     conftest_s='
 	.section ".tdata","awT",@progbits
@@ -8265,7 +8323,7 @@ case "$target" in
   # All TARGET_ABI_OSF targets.
   alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*)
     echo $ac_n "checking assembler supports explicit relocations""... $ac_c" 1>&6
-echo "configure:8269: checking assembler supports explicit relocations" >&5
+echo "configure:8327: checking assembler supports explicit relocations" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_explicit_relocs'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -8318,7 +8376,7 @@ EOF
     ;;
   sparc*-*-*)
     echo $ac_n "checking assembler .register pseudo-op support""... $ac_c" 1>&6
-echo "configure:8322: checking assembler .register pseudo-op support" >&5
+echo "configure:8380: checking assembler .register pseudo-op support" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_register_pseudo_op'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -8346,7 +8404,7 @@ EOF
     fi
 
     echo $ac_n "checking assembler supports -relax""... $ac_c" 1>&6
-echo "configure:8350: checking assembler supports -relax" >&5
+echo "configure:8408: checking assembler supports -relax" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_relax_opt'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -8374,7 +8432,7 @@ EOF
     fi
 
     echo $ac_n "checking assembler and linker support unaligned pc related relocs""... $ac_c" 1>&6
-echo "configure:8378: checking assembler and linker support unaligned pc related relocs" >&5
+echo "configure:8436: checking assembler and linker support unaligned pc related relocs" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_sparc_ua_pcrel'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -8401,7 +8459,7 @@ EOF
     fi
 
     echo $ac_n "checking assembler and linker support unaligned pc related relocs against hidden symbols""... $ac_c" 1>&6
-echo "configure:8405: checking assembler and linker support unaligned pc related relocs against hidden symbols" >&5
+echo "configure:8463: checking assembler and linker support unaligned pc related relocs against hidden symbols" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_sparc_ua_pcrel_hidden'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -8441,7 +8499,7 @@ EOF
     fi
 
     echo $ac_n "checking for assembler offsetable %lo() support""... $ac_c" 1>&6
-echo "configure:8445: checking for assembler offsetable %lo() support" >&5
+echo "configure:8503: checking for assembler offsetable %lo() support" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_offsetable_lo10'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -8480,7 +8538,7 @@ EOF
 
   i[34567]86-*-* | x86_64-*-*)
     echo $ac_n "checking assembler instructions""... $ac_c" 1>&6
-echo "configure:8484: checking assembler instructions" >&5
+echo "configure:8542: checking assembler instructions" >&5
     gcc_cv_as_instructions=
     if test $in_tree_gas = yes ; then 
        if test $gcc_cv_gas_major_version -eq 2 \
@@ -8514,7 +8572,7 @@ EOF
     echo "$ac_t""$gcc_cv_as_instructions" 1>&6
 
     echo $ac_n "checking assembler GOTOFF in data directives""... $ac_c" 1>&6
-echo "configure:8518: checking assembler GOTOFF in data directives" >&5
+echo "configure:8576: checking assembler GOTOFF in data directives" >&5
     gcc_cv_as_gotoff_in_data=no
     if test $in_tree_gas = yes ; then
        if test $gcc_cv_gas_major_version -eq 2 \
@@ -8548,7 +8606,7 @@ EOF
 
   ia64*-*-*)
     echo $ac_n "checking assembler supports ltoffx and ldxmov""... $ac_c" 1>&6
-echo "configure:8552: checking assembler supports ltoffx and ldxmov" >&5
+echo "configure:8610: checking assembler supports ltoffx and ldxmov" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_ltoffx_ldxmov_relocs'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -8593,7 +8651,7 @@ EOF
 esac
 
 echo $ac_n "checking assembler dwarf2 debug_line support""... $ac_c" 1>&6
-echo "configure:8597: checking assembler dwarf2 debug_line support" >&5
+echo "configure:8655: checking assembler dwarf2 debug_line support" >&5
 gcc_cv_as_dwarf2_debug_line=no
 # ??? Not all targets support dwarf2 debug_line, even within a version
 # of gas.  Moreover, we need to emit a valid instruction to trigger any
@@ -8655,7 +8713,7 @@ fi
 echo "$ac_t""$gcc_cv_as_dwarf2_debug_line" 1>&6
 
 echo $ac_n "checking assembler --gdwarf2 support""... $ac_c" 1>&6
-echo "configure:8659: checking assembler --gdwarf2 support" >&5
+echo "configure:8717: checking assembler --gdwarf2 support" >&5
 gcc_cv_as_gdwarf2_flag=no
 if test $in_tree_gas = yes ; then
    if test $gcc_cv_gas_major_version -eq 2 \
@@ -8689,7 +8747,7 @@ fi
 echo "$ac_t""$gcc_cv_as_gdwarf2_flag" 1>&6
 
 echo $ac_n "checking assembler --gstabs support""... $ac_c" 1>&6
-echo "configure:8693: checking assembler --gstabs support" >&5
+echo "configure:8751: checking assembler --gstabs support" >&5
 gcc_cv_as_gstabs_flag=no
 if test $in_tree_gas = yes ; then
    if test $gcc_cv_gas_major_version -eq 2 \
@@ -8722,7 +8780,7 @@ fi
 echo "$ac_t""$gcc_cv_as_gstabs_flag" 1>&6
 
 echo $ac_n "checking linker read-only and read-write section mixing""... $ac_c" 1>&6
-echo "configure:8726: checking linker read-only and read-write section mixing" >&5
+echo "configure:8784: checking linker read-only and read-write section mixing" >&5
 gcc_cv_ld_ro_rw_mix=unknown
 if test $in_tree_ld = yes ; then
   if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 10 -o "$gcc_cv_gld_major_version" -gt 2 && grep 'EMUL = elf' ../ld/Makefile > /dev/null; then
@@ -8760,7 +8818,7 @@ fi
 echo "$ac_t""$gcc_cv_ld_ro_rw_mix" 1>&6
 
 echo $ac_n "checking linker PT_GNU_EH_FRAME support""... $ac_c" 1>&6
-echo "configure:8764: checking linker PT_GNU_EH_FRAME support" >&5
+echo "configure:8822: checking linker PT_GNU_EH_FRAME support" >&5
 gcc_cv_ld_eh_frame_hdr=no
 if test $in_tree_ld = yes ; then
   if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 12 -o "$gcc_cv_gld_major_version" -gt 2 && grep 'EMUL = elf' ../ld/Makefile > /dev/null; then
@@ -8784,7 +8842,7 @@ echo "$ac_t""$gcc_cv_ld_eh_frame_hdr" 1>&6
 case "$target" in
   mips*-*-*)
     echo $ac_n "checking whether libgloss uses STARTUP directives consistently""... $ac_c" 1>&6
-echo "configure:8788: checking whether libgloss uses STARTUP directives consistently" >&5
+echo "configure:8846: checking whether libgloss uses STARTUP directives consistently" >&5
     gcc_cv_mips_libgloss_startup=no
     gcc_cv_libgloss_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/libgloss
     if test "x$exec_prefix" = xNONE; then
@@ -8812,7 +8870,7 @@ EOF
     echo "$ac_t""$gcc_cv_mips_libgloss_startup" 1>&6
 
     echo $ac_n "checking whether the assembler has explicit relocation support""... $ac_c" 1>&6
-echo "configure:8816: checking whether the assembler has explicit relocation support" >&5
+echo "configure:8874: checking whether the assembler has explicit relocation support" >&5
     if test x$gcc_cv_mips_explicit_relocs = x; then
       gcc_cv_mips_explicit_relocs=no
       if test x$gcc_cv_as != x; then
@@ -9007,7 +9065,7 @@ fi
 
 
 echo $ac_n "checking whether to enable maintainer-specific portions of Makefiles""... $ac_c" 1>&6
-echo "configure:9011: checking whether to enable maintainer-specific portions of Makefiles" >&5
+echo "configure:9069: checking whether to enable maintainer-specific portions of Makefiles" >&5
     # Check whether --enable-maintainer-mode or --disable-maintainer-mode was given.
 if test "${enable_maintainer_mode+set}" = set; then
   enableval="$enable_maintainer_mode"

gcc/configure.in

@@ -2123,6 +2123,64 @@ foo:	data8	25
 	tls_first_major=2
 	tls_first_minor=13
 	;;
+  powerpc-*-*)
+    conftest_s='
+	.section ".tdata","awT",@progbits
+	.align 2
+ld0:	.space 4
+ld1:	.space 4
+x1:	.space 4
+x2:	.space 4
+x3:	.space 4
+	.text
+	addi 3,31,ld0@got@tlsgd
+	bl __tls_get_addr
+	addi 3,31,x1@got@tlsld
+	bl __tls_get_addr
+	addi 9,3,x1@dtprel
+	addis 9,3,x2@dtprel@ha
+	addi 9,9,x2@dtprel@l
+	lwz 9,x3@got@tprel(31)
+	add 9,9,x@tls
+	addi 9,2,x1@tprel
+	addis 9,2,x2@tprel@ha
+	addi 9,9,x2@tprel@l'
+	tls_first_major=2
+	tls_first_minor=14
+	;;
+  powerpc64-*-*)
+    conftest_s='
+	.section ".tdata","awT",@progbits
+	.align 3
+ld0:	.space 8
+ld1:	.space 8
+x1:	.space 8
+x2:	.space 8
+x3:	.space 8
+	.text
+	addi 3,2,ld0@got@tlsgd
+	bl .__tls_get_addr
+	nop
+	addi 3,2,ld1@toc
+	bl .__tls_get_addr
+	nop
+	addi 3,2,x1@got@tlsld
+	bl .__tls_get_addr
+	nop
+	addi 9,3,x1@dtprel
+	bl .__tls_get_addr
+	nop
+	addis 9,3,x2@dtprel@ha
+	addi 9,9,x2@dtprel@l
+	bl .__tls_get_addr
+	nop
+	ld 9,x3@got@dtprel(2)
+	add 9,9,3
+	bl .__tls_get_addr
+	nop'
+	tls_first_major=2
+	tls_first_minor=14
+	;;
   s390-*-*)
     conftest_s='
 	.section ".tdata","awT",@progbits